demos: Update copyright and apply clang-format
diff --git a/demos/cube.c b/demos/cube.c
index 4747371..0801bfd 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -1,31 +1,37 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
  *
- * Copyright (C) 2015 Valve Corporation
- * Copyright (C) 2015 Google Inc.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
  *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
  *
  * Author: Chia-I Wu <olv@lunarg.com>
  * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
  * Author: Ian Elliott <ian@LunarG.com>
  * Author: Jon Ashburn <jon@lunarg.com>
  */
+
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
@@ -58,43 +64,46 @@
 #endif
 
 #ifdef _WIN32
-#define ERR_EXIT(err_msg, err_class)                    \
-    do {                                                \
-        MessageBox(NULL, err_msg, err_class, MB_OK);    \
-        exit(1);                                        \
-   } while (0)
+#define ERR_EXIT(err_msg, err_class)                                           \
+    do {                                                                       \
+        MessageBox(NULL, err_msg, err_class, MB_OK);                           \
+        exit(1);                                                               \
+    } while (0)
 
-#else  // _WIN32
+#else // _WIN32
 
-#define ERR_EXIT(err_msg, err_class)                    \
-    do {                                                \
-        printf(err_msg);                                \
-        fflush(stdout);                                 \
-        exit(1);                                        \
-   } while (0)
+#define ERR_EXIT(err_msg, err_class)                                           \
+    do {                                                                       \
+        printf(err_msg);                                                       \
+        fflush(stdout);                                                        \
+        exit(1);                                                               \
+    } while (0)
 #endif // _WIN32
 
-#define GET_INSTANCE_PROC_ADDR(inst, entrypoint)                        \
-{                                                                       \
-    demo->fp##entrypoint = (PFN_vk##entrypoint) vkGetInstanceProcAddr(inst, "vk"#entrypoint); \
-    if (demo->fp##entrypoint == NULL) {                                 \
-        ERR_EXIT("vkGetInstanceProcAddr failed to find vk"#entrypoint,  \
-                 "vkGetInstanceProcAddr Failure");                      \
-    }                                                                   \
-}
+#define GET_INSTANCE_PROC_ADDR(inst, entrypoint)                               \
+    {                                                                          \
+        demo->fp##entrypoint =                                                 \
+            (PFN_vk##entrypoint)vkGetInstanceProcAddr(inst, "vk" #entrypoint); \
+        if (demo->fp##entrypoint == NULL) {                                    \
+            ERR_EXIT("vkGetInstanceProcAddr failed to find vk" #entrypoint,    \
+                     "vkGetInstanceProcAddr Failure");                         \
+        }                                                                      \
+    }
 
 static PFN_vkGetDeviceProcAddr g_gdpa = NULL;
 
-#define GET_DEVICE_PROC_ADDR(dev, entrypoint)                           \
-{                                                                       \
-    if(!g_gdpa)                                                         \
-       g_gdpa = (PFN_vkGetDeviceProcAddr) vkGetInstanceProcAddr(demo->inst, "vkGetDeviceProcAddr"); \
-    demo->fp##entrypoint = (PFN_vk##entrypoint) g_gdpa(dev, "vk"#entrypoint);   \
-    if (demo->fp##entrypoint == NULL) {                                 \
-        ERR_EXIT("vkGetDeviceProcAddr failed to find vk"#entrypoint,    \
-                 "vkGetDeviceProcAddr Failure");                        \
-    }                                                                   \
-}
+#define GET_DEVICE_PROC_ADDR(dev, entrypoint)                                  \
+    {                                                                          \
+        if (!g_gdpa)                                                           \
+            g_gdpa = (PFN_vkGetDeviceProcAddr)vkGetInstanceProcAddr(           \
+                demo->inst, "vkGetDeviceProcAddr");                            \
+        demo->fp##entrypoint =                                                 \
+            (PFN_vk##entrypoint)g_gdpa(dev, "vk" #entrypoint);                 \
+        if (demo->fp##entrypoint == NULL) {                                    \
+            ERR_EXIT("vkGetDeviceProcAddr failed to find vk" #entrypoint,      \
+                     "vkGetDeviceProcAddr Failure");                           \
+        }                                                                      \
+    }
 
 /*
  * structure to track all objects related to a texture.
@@ -111,27 +120,26 @@
     int32_t tex_width, tex_height;
 };
 
-static char *tex_files[] = {
-    "lunarg.ppm"
-};
+static char *tex_files[] = {"lunarg.ppm"};
 
 struct vkcube_vs_uniform {
     // Must start with MVP
-    float       mvp[4][4];
-    float       position[12*3][4];
-    float       color[12*3][4];
+    float mvp[4][4];
+    float position[12 * 3][4];
+    float color[12 * 3][4];
 };
 
 struct vktexcube_vs_uniform {
     // Must start with MVP
-    float       mvp[4][4];
-    float       position[12*3][4];
-    float       attr[12*3][4];
+    float mvp[4][4];
+    float position[12 * 3][4];
+    float attr[12 * 3][4];
 };
 
 //--------------------------------------------------------------------------------------
 // Mesh and VertexFormat Data
 //--------------------------------------------------------------------------------------
+// clang-format off
 struct Vertex
 {
     float     posX, posY, posZ, posW;    // Position data
@@ -234,49 +242,46 @@
     1.0f, 0.0f,
     1.0f, 1.0f,
 };
+// clang-format on
 
-void dumpMatrix(const char *note, mat4x4 MVP)
-{
+void dumpMatrix(const char *note, mat4x4 MVP) {
     int i;
 
     printf("%s: \n", note);
-    for (i=0; i<4; i++) {
+    for (i = 0; i < 4; i++) {
         printf("%f, %f, %f, %f\n", MVP[i][0], MVP[i][1], MVP[i][2], MVP[i][3]);
     }
     printf("\n");
     fflush(stdout);
 }
 
-void dumpVec4(const char *note, vec4 vector)
-{
+void dumpVec4(const char *note, vec4 vector) {
     printf("%s: \n", note);
-        printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]);
+    printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]);
     printf("\n");
     fflush(stdout);
 }
 
-VKAPI_ATTR VkBool32 VKAPI_CALL dbgFunc(
-    VkFlags                             msgFlags,
-    VkDebugReportObjectTypeEXT          objType,
-    uint64_t                            srcObject,
-    size_t                              location,
-    int32_t                             msgCode,
-    const char*                         pLayerPrefix,
-    const char*                         pMsg,
-    void*                               pUserData)
-{
-    char *message = (char *) malloc(strlen(pMsg)+100);
+VKAPI_ATTR VkBool32 VKAPI_CALL
+dbgFunc(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
+        uint64_t srcObject, size_t location, int32_t msgCode,
+        const char *pLayerPrefix, const char *pMsg, void *pUserData) {
+    char *message = (char *)malloc(strlen(pMsg) + 100);
 
-    assert (message);
+    assert(message);
 
     if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
-        sprintf(message,"ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else if (msgFlags & VK_DEBUG_REPORT_WARN_BIT_EXT) {
-        // We know that we're submitting queues without fences, ignore this warning
-        if (strstr(pMsg, "vkQueueSubmit parameter, VkFence fence, is null pointer")){
+        // We know that we're submitting queues without fences, ignore this
+        // warning
+        if (strstr(pMsg,
+                   "vkQueueSubmit parameter, VkFence fence, is null pointer")) {
             return false;
         }
-        sprintf(message,"WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else {
         return false;
     }
@@ -284,7 +289,7 @@
 #ifdef _WIN32
     MessageBox(NULL, message, "Alert", MB_OK);
 #else
-    printf("%s\n",message);
+    printf("%s\n", message);
     fflush(stdout);
 #endif
     free(message);
@@ -299,16 +304,10 @@
     return false;
 }
 
-VkBool32 BreakCallback(
-    VkFlags                             msgFlags,
-    VkDebugReportObjectTypeEXT          objType,
-    uint64_t                            srcObject,
-    size_t                              location,
-    int32_t                             msgCode,
-    const char*                         pLayerPrefix,
-    const char*                         pMsg,
-    void*                               pUserData)
-{
+VkBool32 BreakCallback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
+                       uint64_t srcObject, size_t location, int32_t msgCode,
+                       const char *pLayerPrefix, const char *pMsg,
+                       void *pUserData) {
 #ifndef WIN32
     raise(SIGTRAP);
 #else
@@ -329,13 +328,13 @@
 #define APP_NAME_STR_LEN 80
     HINSTANCE connection;        // hInstance - Windows Instance
     char name[APP_NAME_STR_LEN]; // Name to put on the window/icon
-    HWND        window;          // hWnd - window handle
-#else  // _WIN32
+    HWND window;                 // hWnd - window handle
+#else                            // _WIN32
     xcb_connection_t *connection;
     xcb_screen_t *screen;
     xcb_window_t window;
     xcb_intern_atom_reply_t *atom_wm_delete_window;
-#endif // _WIN32
+#endif                           // _WIN32
     VkSurfaceKHR surface;
     bool prepared;
     bool use_staging_buffer;
@@ -358,10 +357,14 @@
     VkFormat format;
     VkColorSpaceKHR color_space;
 
-    PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR;
-    PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
-    PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR;
-    PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR;
+    PFN_vkGetPhysicalDeviceSurfaceSupportKHR
+        fpGetPhysicalDeviceSurfaceSupportKHR;
+    PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR
+        fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
+    PFN_vkGetPhysicalDeviceSurfaceFormatsKHR
+        fpGetPhysicalDeviceSurfaceFormatsKHR;
+    PFN_vkGetPhysicalDeviceSurfacePresentModesKHR
+        fpGetPhysicalDeviceSurfacePresentModesKHR;
     PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
     PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
     PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
@@ -391,7 +394,7 @@
         VkDescriptorBufferInfo buffer_info;
     } uniform_data;
 
-    VkCommandBuffer cmd;  // Buffer for initialization commands
+    VkCommandBuffer cmd; // Buffer for initialization commands
     VkPipelineLayout pipeline_layout;
     VkDescriptorSetLayout desc_layout;
     VkPipelineCache pipelineCache;
@@ -431,25 +434,26 @@
 // Forward declaration:
 static void demo_resize(struct demo *demo);
 
-static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits, VkFlags requirements_mask, uint32_t *typeIndex)
-{
-     // Search memtypes to find first index with those properties
-     for (uint32_t i = 0; i < 32; i++) {
-         if ((typeBits & 1) == 1) {
-             // Type is available, does it match user properties?
-             if ((demo->memory_properties.memoryTypes[i].propertyFlags & requirements_mask) == requirements_mask) {
-                 *typeIndex = i;
-                 return true;
-             }
-         }
-         typeBits >>= 1;
-     }
-     // No memory types matched, return failure
-     return false;
+static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits,
+                                        VkFlags requirements_mask,
+                                        uint32_t *typeIndex) {
+    // Search memtypes to find first index with those properties
+    for (uint32_t i = 0; i < 32; i++) {
+        if ((typeBits & 1) == 1) {
+            // Type is available, does it match user properties?
+            if ((demo->memory_properties.memoryTypes[i].propertyFlags &
+                 requirements_mask) == requirements_mask) {
+                *typeIndex = i;
+                return true;
+            }
+        }
+        typeBits >>= 1;
+    }
+    // No memory types matched, return failure
+    return false;
 }
 
-static void demo_flush_init_cmd(struct demo *demo)
-{
+static void demo_flush_init_cmd(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
 
     if (demo->cmd == VK_NULL_HANDLE)
@@ -458,19 +462,17 @@
     err = vkEndCommandBuffer(demo->cmd);
     assert(!err);
 
-    const VkCommandBuffer cmd_bufs[] = { demo->cmd };
+    const VkCommandBuffer cmd_bufs[] = {demo->cmd};
     VkFence nullFence = VK_NULL_HANDLE;
-    VkSubmitInfo submit_info = {
-        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
-        .pNext = NULL,
-        .waitSemaphoreCount = 0,
-        .pWaitSemaphores = NULL,
-        .pWaitDstStageMask = NULL,
-        .commandBufferCount = 1,
-        .pCommandBuffers = cmd_bufs,
-        .signalSemaphoreCount = 0,
-        .pSignalSemaphores = NULL
-    };
+    VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
+                                .pNext = NULL,
+                                .waitSemaphoreCount = 0,
+                                .pWaitSemaphores = NULL,
+                                .pWaitDstStageMask = NULL,
+                                .commandBufferCount = 1,
+                                .pCommandBuffers = cmd_bufs,
+                                .signalSemaphoreCount = 0,
+                                .pSignalSemaphores = NULL};
 
     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
     assert(!err);
@@ -482,13 +484,10 @@
     demo->cmd = VK_NULL_HANDLE;
 }
 
-static void demo_set_image_layout(
-        struct demo *demo,
-        VkImage image,
-        VkImageAspectFlags aspectMask,
-        VkImageLayout old_image_layout,
-        VkImageLayout new_image_layout)
-{
+static void demo_set_image_layout(struct demo *demo, VkImage image,
+                                  VkImageAspectFlags aspectMask,
+                                  VkImageLayout old_image_layout,
+                                  VkImageLayout new_image_layout) {
     VkResult U_ASSERT_ONLY err;
 
     if (demo->cmd == VK_NULL_HANDLE) {
@@ -531,8 +530,7 @@
         .oldLayout = old_image_layout,
         .newLayout = new_image_layout,
         .image = image,
-        .subresourceRange = { aspectMask, 0, 1, 0, 1 }
-    };
+        .subresourceRange = {aspectMask, 0, 1, 0, 1}};
 
     if (new_image_layout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
         /* Make sure anything that was copying from this image has completed */
@@ -540,16 +538,19 @@
     }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
-        image_memory_barrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
     }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
-        image_memory_barrier.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
     }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
         /* Make sure any Copy or CPU writes to image are flushed */
-        image_memory_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
     }
 
     VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier;
@@ -557,11 +558,11 @@
     VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
     VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
 
-    vkCmdPipelineBarrier(demo->cmd, src_stages, dest_stages, 0, 0, NULL, 0, NULL, 1, pmemory_barrier);
+    vkCmdPipelineBarrier(demo->cmd, src_stages, dest_stages, 0, 0, NULL, 0,
+                         NULL, 1, pmemory_barrier);
 }
 
-static void demo_draw_build_cmd(struct demo *demo, VkCommandBuffer cmd_buf)
-{
+static void demo_draw_build_cmd(struct demo *demo, VkCommandBuffer cmd_buf) {
     VkCommandBufferInheritanceInfo cmd_buf_hinfo = {
         .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
         .pNext = NULL,
@@ -579,8 +580,8 @@
         .pInheritanceInfo = &cmd_buf_hinfo,
     };
     const VkClearValue clear_values[2] = {
-        [0] = { .color.float32 = { 0.2f, 0.2f, 0.2f, 0.2f } },
-        [1] = { .depthStencil = { 1.0f, 0 } },
+            [0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}},
+            [1] = {.depthStencil = {1.0f, 0}},
     };
     const VkRenderPassBeginInfo rp_begin = {
         .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
@@ -601,17 +602,17 @@
 
     vkCmdBeginRenderPass(cmd_buf, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
 
-    vkCmdBindPipeline(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS,
-                                  demo->pipeline);
-    vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, demo->pipeline_layout,
-            0, 1, &demo->desc_set, 0, NULL);
+    vkCmdBindPipeline(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, demo->pipeline);
+    vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS,
+                            demo->pipeline_layout, 0, 1, &demo->desc_set, 0,
+                            NULL);
 
     VkViewport viewport;
     memset(&viewport, 0, sizeof(viewport));
-    viewport.height = (float) demo->height;
-    viewport.width = (float) demo->width;
-    viewport.minDepth = (float) 0.0f;
-    viewport.maxDepth = (float) 1.0f;
+    viewport.height = (float)demo->height;
+    viewport.width = (float)demo->width;
+    viewport.minDepth = (float)0.0f;
+    viewport.maxDepth = (float)1.0f;
     vkCmdSetViewport(cmd_buf, 0, 1, &viewport);
 
     VkRect2D scissor;
@@ -634,22 +635,19 @@
         .newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
         .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
         .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-        .subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }
-    };
+        .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
 
     prePresentBarrier.image = demo->buffers[demo->current_buffer].image;
     VkImageMemoryBarrier *pmemory_barrier = &prePresentBarrier;
-    vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
-                         0, 0, NULL, 0, NULL, 1, pmemory_barrier);
-
+    vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
+                         VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
+                         NULL, 1, pmemory_barrier);
 
     err = vkEndCommandBuffer(cmd_buf);
     assert(!err);
 }
 
-
-void demo_update_data_buffer(struct demo *demo)
-{
+void demo_update_data_buffer(struct demo *demo) {
     mat4x4 MVP, Model, VP;
     int matrixSize = sizeof(MVP);
     uint8_t *pData;
@@ -659,19 +657,21 @@
 
     // Rotate 22.5 degrees around the Y axis
     mat4x4_dup(Model, demo->model_matrix);
-    mat4x4_rotate(demo->model_matrix, Model, 0.0f, 1.0f, 0.0f, (float)degreesToRadians(demo->spin_angle));
+    mat4x4_rotate(demo->model_matrix, Model, 0.0f, 1.0f, 0.0f,
+                  (float)degreesToRadians(demo->spin_angle));
     mat4x4_mul(MVP, VP, demo->model_matrix);
 
-    err = vkMapMemory(demo->device, demo->uniform_data.mem, 0, demo->uniform_data.mem_alloc.allocationSize, 0, (void **) &pData);
+    err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
+                      demo->uniform_data.mem_alloc.allocationSize, 0,
+                      (void **)&pData);
     assert(!err);
 
-    memcpy(pData, (const void*) &MVP[0][0], matrixSize);
+    memcpy(pData, (const void *)&MVP[0][0], matrixSize);
 
     vkUnmapMemory(demo->device, demo->uniform_data.mem);
 }
 
-static void demo_draw(struct demo *demo)
-{
+static void demo_draw(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     VkSemaphore presentCompleteSemaphore;
     VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo = {
@@ -681,17 +681,14 @@
     };
     VkFence nullFence = VK_NULL_HANDLE;
 
-    err = vkCreateSemaphore(demo->device,
-                            &presentCompleteSemaphoreCreateInfo,
-                            NULL,
-                            &presentCompleteSemaphore);
+    err = vkCreateSemaphore(demo->device, &presentCompleteSemaphoreCreateInfo,
+                            NULL, &presentCompleteSemaphore);
     assert(!err);
 
     // Get the index of the next available swapchain image:
-    err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain,
-                                      UINT64_MAX,
+    err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain, UINT64_MAX,
                                       presentCompleteSemaphore,
-                                      (VkFence)0,// TODO: Show use of fence
+                                      (VkFence)0, // TODO: Show use of fence
                                       &demo->current_buffer);
     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
         // demo->swapchain is out of date (e.g. the window was resized) and
@@ -710,9 +707,9 @@
     // Assume the command buffer has been run on current_buffer before so
     // we need to set the image layout back to COLOR_ATTACHMENT_OPTIMAL
     demo_set_image_layout(demo, demo->buffers[demo->current_buffer].image,
-                           VK_IMAGE_ASPECT_COLOR_BIT,
-                           VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
-                           VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
+                          VK_IMAGE_ASPECT_COLOR_BIT,
+                          VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
+                          VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
     demo_flush_init_cmd(demo);
 
     // Wait for the present complete semaphore to be signaled to ensure
@@ -720,19 +717,19 @@
     // engine has fully released ownership to the application, and it is
     // okay to render to the image.
 
-// FIXME/TODO: DEAL WITH VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
-    VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
-    VkSubmitInfo submit_info = {
-        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
-        .pNext = NULL,
-        .waitSemaphoreCount = 1,
-        .pWaitSemaphores = &presentCompleteSemaphore,
-        .pWaitDstStageMask = &pipe_stage_flags,
-        .commandBufferCount = 1,
-        .pCommandBuffers = &demo->buffers[demo->current_buffer].cmd,
-        .signalSemaphoreCount = 0,
-        .pSignalSemaphores = NULL
-    };
+    // FIXME/TODO: DEAL WITH VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
+    VkPipelineStageFlags pipe_stage_flags =
+        VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
+    VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
+                                .pNext = NULL,
+                                .waitSemaphoreCount = 1,
+                                .pWaitSemaphores = &presentCompleteSemaphore,
+                                .pWaitDstStageMask = &pipe_stage_flags,
+                                .commandBufferCount = 1,
+                                .pCommandBuffers =
+                                    &demo->buffers[demo->current_buffer].cmd,
+                                .signalSemaphoreCount = 0,
+                                .pSignalSemaphores = NULL};
 
     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
     assert(!err);
@@ -745,7 +742,7 @@
         .pImageIndices = &demo->current_buffer,
     };
 
-// TBD/TODO: SHOULD THE "present" PARAMETER BE "const" IN THE HEADER?
+    // TBD/TODO: SHOULD THE "present" PARAMETER BE "const" IN THE HEADER?
     err = demo->fpQueuePresentKHR(demo->queue, &present);
     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
         // demo->swapchain is out of date (e.g. the window was resized) and
@@ -764,42 +761,35 @@
     vkDestroySemaphore(demo->device, presentCompleteSemaphore, NULL);
 }
 
-static void demo_prepare_buffers(struct demo *demo)
-{
+static void demo_prepare_buffers(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     VkSwapchainKHR oldSwapchain = demo->swapchain;
 
     // Check the surface capabilities and formats
     VkSurfaceCapabilitiesKHR surfCapabilities;
-    err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(demo->gpu,
-        demo->surface,
-        &surfCapabilities);
+    err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(
+        demo->gpu, demo->surface, &surfCapabilities);
     assert(!err);
 
     uint32_t presentModeCount;
-    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(demo->gpu,
-        demo->surface,
-        &presentModeCount, NULL);
+    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
+        demo->gpu, demo->surface, &presentModeCount, NULL);
     assert(!err);
     VkPresentModeKHR *presentModes =
         (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
     assert(presentModes);
-    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(demo->gpu,
-        demo->surface,
-        &presentModeCount, presentModes);
+    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
+        demo->gpu, demo->surface, &presentModeCount, presentModes);
     assert(!err);
 
     VkExtent2D swapchainExtent;
     // width and height are either both -1, or both not -1.
-    if (surfCapabilities.currentExtent.width == (uint32_t) -1)
-    {
+    if (surfCapabilities.currentExtent.width == (uint32_t)-1) {
         // If the surface size is undefined, the size is set to
         // the size of the images requested.
         swapchainExtent.width = demo->width;
         swapchainExtent.height = demo->height;
-    }
-    else
-    {
+    } else {
         // If the surface size is defined, the swap chain size must match
         swapchainExtent = surfCapabilities.currentExtent;
         demo->width = surfCapabilities.currentExtent.width;
@@ -825,16 +815,17 @@
     // Determine the number of VkImage's to use in the swap chain (we desire to
     // own only 1 image at a time, besides the images being displayed and
     // queued for display):
-    uint32_t desiredNumberOfSwapchainImages = surfCapabilities.minImageCount + 1;
+    uint32_t desiredNumberOfSwapchainImages =
+        surfCapabilities.minImageCount + 1;
     if ((surfCapabilities.maxImageCount > 0) &&
-        (desiredNumberOfSwapchainImages > surfCapabilities.maxImageCount))
-    {
+        (desiredNumberOfSwapchainImages > surfCapabilities.maxImageCount)) {
         // Application must settle for fewer images than desired:
         desiredNumberOfSwapchainImages = surfCapabilities.maxImageCount;
     }
 
     VkSurfaceTransformFlagsKHR preTransform;
-    if (surfCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
+    if (surfCapabilities.supportedTransforms &
+        VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
         preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
     } else {
         preTransform = surfCapabilities.currentTransform;
@@ -847,10 +838,10 @@
         .minImageCount = desiredNumberOfSwapchainImages,
         .imageFormat = demo->format,
         .imageColorSpace = demo->color_space,
-        .imageExtent = {
-            .width = swapchainExtent.width,
-            .height = swapchainExtent.height,
-        },
+        .imageExtent =
+            {
+             .width = swapchainExtent.width, .height = swapchainExtent.height,
+            },
         .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
         .preTransform = preTransform,
         .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
@@ -864,7 +855,8 @@
     };
     uint32_t i;
 
-    err = demo->fpCreateSwapchainKHR(demo->device, &swapchain, NULL, &demo->swapchain);
+    err = demo->fpCreateSwapchainKHR(demo->device, &swapchain, NULL,
+                                     &demo->swapchain);
     assert(!err);
 
     // If we just re-created an existing swapchain, we should destroy the old
@@ -879,15 +871,16 @@
                                         &demo->swapchainImageCount, NULL);
     assert(!err);
 
-    VkImage* swapchainImages =
-        (VkImage*)malloc(demo->swapchainImageCount * sizeof(VkImage));
+    VkImage *swapchainImages =
+        (VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage));
     assert(swapchainImages);
     err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
                                         &demo->swapchainImageCount,
                                         swapchainImages);
     assert(!err);
 
-    demo->buffers = (SwapchainBuffers*)malloc(sizeof(SwapchainBuffers)*demo->swapchainImageCount);
+    demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) *
+                                               demo->swapchainImageCount);
     assert(demo->buffers);
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
@@ -895,53 +888,52 @@
             .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
             .pNext = NULL,
             .format = demo->format,
-            .components = {
-                .r = VK_COMPONENT_SWIZZLE_R,
-                .g = VK_COMPONENT_SWIZZLE_G,
-                .b = VK_COMPONENT_SWIZZLE_B,
-                .a = VK_COMPONENT_SWIZZLE_A,
-            },
-            .subresourceRange = {
-                .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
-                .baseMipLevel = 0,
-                .levelCount = 1,
-                .baseArrayLayer = 0,
-                .layerCount = 1
-            },
+            .components =
+                {
+                 .r = VK_COMPONENT_SWIZZLE_R,
+                 .g = VK_COMPONENT_SWIZZLE_G,
+                 .b = VK_COMPONENT_SWIZZLE_B,
+                 .a = VK_COMPONENT_SWIZZLE_A,
+                },
+            .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+                                 .baseMipLevel = 0,
+                                 .levelCount = 1,
+                                 .baseArrayLayer = 0,
+                                 .layerCount = 1},
             .viewType = VK_IMAGE_VIEW_TYPE_2D,
             .flags = 0,
         };
 
         demo->buffers[i].image = swapchainImages[i];
 
-        // Render loop will expect image to have been used before and in VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
-        // layout and will change to COLOR_ATTACHMENT_OPTIMAL, so init the image to that state
-        demo_set_image_layout(demo, demo->buffers[i].image,
-                               VK_IMAGE_ASPECT_COLOR_BIT,
-                               VK_IMAGE_LAYOUT_UNDEFINED,
-                               VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+        // Render loop will expect image to have been used before and in
+        // VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
+        // layout and will change to COLOR_ATTACHMENT_OPTIMAL, so init the image
+        // to that state
+        demo_set_image_layout(
+            demo, demo->buffers[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
+            VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
 
         color_image_view.image = demo->buffers[i].image;
 
-        err = vkCreateImageView(demo->device,
-                &color_image_view, NULL, &demo->buffers[i].view);
+        err = vkCreateImageView(demo->device, &color_image_view, NULL,
+                                &demo->buffers[i].view);
         assert(!err);
     }
-    
+
     if (NULL != presentModes) {
         free(presentModes);
     }
 }
 
-static void demo_prepare_depth(struct demo *demo)
-{
+static void demo_prepare_depth(struct demo *demo) {
     const VkFormat depth_format = VK_FORMAT_D16_UNORM;
     const VkImageCreateInfo image = {
         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
         .pNext = NULL,
         .imageType = VK_IMAGE_TYPE_2D,
         .format = depth_format,
-        .extent = { demo->width, demo->height, 1 },
+        .extent = {demo->width, demo->height, 1},
         .mipLevels = 1,
         .arrayLayers = 1,
         .samples = VK_SAMPLE_COUNT_1_BIT,
@@ -955,13 +947,11 @@
         .pNext = NULL,
         .image = VK_NULL_HANDLE,
         .format = depth_format,
-        .subresourceRange = {
-            .aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
-            .baseMipLevel = 0,
-            .levelCount = 1,
-            .baseArrayLayer = 0,
-            .layerCount = 1
-        },
+        .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
+                             .baseMipLevel = 0,
+                             .levelCount = 1,
+                             .baseArrayLayer = 0,
+                             .layerCount = 1},
         .flags = 0,
         .viewType = VK_IMAGE_VIEW_TYPE_2D,
     };
@@ -973,12 +963,10 @@
     demo->depth.format = depth_format;
 
     /* create image */
-    err = vkCreateImage(demo->device, &image, NULL,
-            &demo->depth.image);
+    err = vkCreateImage(demo->device, &image, NULL, &demo->depth.image);
     assert(!err);
 
-    vkGetImageMemoryRequirements(demo->device,
-                    demo->depth.image, &mem_reqs);
+    vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs);
     assert(!err);
 
     demo->depth.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
@@ -986,26 +974,24 @@
     demo->depth.mem_alloc.allocationSize = mem_reqs.size;
     demo->depth.mem_alloc.memoryTypeIndex = 0;
 
-    pass = memory_type_from_properties(demo,
-                                      mem_reqs.memoryTypeBits,
-                                      0, /* No requirements */
-                                      &demo->depth.mem_alloc.memoryTypeIndex);
+    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
+                                       0, /* No requirements */
+                                       &demo->depth.mem_alloc.memoryTypeIndex);
     assert(pass);
 
     /* allocate memory */
-    err = vkAllocateMemory(demo->device, &demo->depth.mem_alloc,
-            NULL, &demo->depth.mem);
+    err = vkAllocateMemory(demo->device, &demo->depth.mem_alloc, NULL,
+                           &demo->depth.mem);
     assert(!err);
 
     /* bind memory */
-    err = vkBindImageMemory(demo->device, demo->depth.image,
-            demo->depth.mem, 0);
+    err =
+        vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0);
     assert(!err);
 
-    demo_set_image_layout(demo, demo->depth.image,
-                           VK_IMAGE_ASPECT_DEPTH_BIT,
-                           VK_IMAGE_LAYOUT_UNDEFINED,
-                           VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
+    demo_set_image_layout(demo, demo->depth.image, VK_IMAGE_ASPECT_DEPTH_BIT,
+                          VK_IMAGE_LAYOUT_UNDEFINED,
+                          VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
 
     /* create image view */
     view.image = demo->depth.image;
@@ -1015,10 +1001,8 @@
 
 /* Load a ppm file into memory */
 bool loadTexture(const char *filename, uint8_t *rgba_data,
-                 VkSubresourceLayout *layout,
-                 int32_t *width, int32_t *height)
-{
-    FILE *fPtr = fopen(filename,"rb");
+                 VkSubresourceLayout *layout, int32_t *width, int32_t *height) {
+    FILE *fPtr = fopen(filename, "rb");
     char header[256], *cPtr, *tmp;
 
     if (!fPtr)
@@ -1036,7 +1020,7 @@
             fclose(fPtr);
             return false;
         }
-    } while ( !strncmp(header, "#", 1) );
+    } while (!strncmp(header, "#", 1));
 
     sscanf(header, "%u %u", height, width);
     if (rgba_data == NULL) {
@@ -1044,19 +1028,17 @@
         return true;
     }
     tmp = fgets(header, 256, fPtr); // Format
-    (void) tmp;
+    (void)tmp;
     if (cPtr == NULL || strncmp(header, "255\n", 3)) {
         fclose(fPtr);
         return false;
     }
 
-    for(int y = 0; y < *height; y++)
-    {
+    for (int y = 0; y < *height; y++) {
         uint8_t *rowPtr = rgba_data;
-        for(int x = 0; x < *width; x++)
-        {
+        for (int x = 0; x < *width; x++) {
             size_t s = fread(rowPtr, 3, 1, fPtr);
-            (void) s;
+            (void)s;
             rowPtr[3] = 255; /* Alpha of 1 */
             rowPtr += 4;
         }
@@ -1066,21 +1048,18 @@
     return true;
 }
 
-static void demo_prepare_texture_image(struct demo *demo,
-                                       const char *filename,
+static void demo_prepare_texture_image(struct demo *demo, const char *filename,
                                        struct texture_object *tex_obj,
                                        VkImageTiling tiling,
                                        VkImageUsageFlags usage,
-                                       VkFlags required_props)
-{
+                                       VkFlags required_props) {
     const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
     int32_t tex_width;
     int32_t tex_height;
     VkResult U_ASSERT_ONLY err;
     bool U_ASSERT_ONLY pass;
 
-    if (!loadTexture(filename, NULL, NULL, &tex_width, &tex_height))
-    {
+    if (!loadTexture(filename, NULL, NULL, &tex_width, &tex_height)) {
         printf("Failed to load textures\n");
         fflush(stdout);
         exit(1);
@@ -1094,7 +1073,7 @@
         .pNext = NULL,
         .imageType = VK_IMAGE_TYPE_2D,
         .format = tex_format,
-        .extent = { tex_width, tex_height, 1 },
+        .extent = {tex_width, tex_height, 1},
         .mipLevels = 1,
         .arrayLayers = 1,
         .samples = VK_SAMPLE_COUNT_1_BIT,
@@ -1105,8 +1084,8 @@
 
     VkMemoryRequirements mem_reqs;
 
-    err = vkCreateImage(demo->device, &image_create_info, NULL,
-            &tex_obj->image);
+    err =
+        vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image);
     assert(!err);
 
     vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs);
@@ -1116,17 +1095,18 @@
     tex_obj->mem_alloc.allocationSize = mem_reqs.size;
     tex_obj->mem_alloc.memoryTypeIndex = 0;
 
-    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits, required_props, &tex_obj->mem_alloc.memoryTypeIndex);
+    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
+                                       required_props,
+                                       &tex_obj->mem_alloc.memoryTypeIndex);
     assert(pass);
 
     /* allocate memory */
     err = vkAllocateMemory(demo->device, &tex_obj->mem_alloc, NULL,
-                &(tex_obj->mem));
+                           &(tex_obj->mem));
     assert(!err);
 
     /* bind memory */
-    err = vkBindImageMemory(demo->device, tex_obj->image,
-            tex_obj->mem, 0);
+    err = vkBindImageMemory(demo->device, tex_obj->image, tex_obj->mem, 0);
     assert(!err);
 
     if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
@@ -1138,9 +1118,11 @@
         VkSubresourceLayout layout;
         void *data;
 
-        vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres, &layout);
+        vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres,
+                                    &layout);
 
-        err = vkMapMemory(demo->device, tex_obj->mem, 0, tex_obj->mem_alloc.allocationSize, 0, &data);
+        err = vkMapMemory(demo->device, tex_obj->mem, 0,
+                          tex_obj->mem_alloc.allocationSize, 0, &data);
         assert(!err);
 
         if (!loadTexture(filename, data, &layout, &tex_width, &tex_height)) {
@@ -1151,22 +1133,20 @@
     }
 
     tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-    demo_set_image_layout(demo, tex_obj->image,
-                           VK_IMAGE_ASPECT_COLOR_BIT,
-                           VK_IMAGE_LAYOUT_UNDEFINED,
-                           tex_obj->imageLayout);
-    /* setting the image layout does not reference the actual memory so no need to add a mem ref */
+    demo_set_image_layout(demo, tex_obj->image, VK_IMAGE_ASPECT_COLOR_BIT,
+                          VK_IMAGE_LAYOUT_UNDEFINED, tex_obj->imageLayout);
+    /* setting the image layout does not reference the actual memory so no need
+     * to add a mem ref */
 }
 
-static void demo_destroy_texture_image(struct demo *demo, struct texture_object *tex_objs)
-{
+static void demo_destroy_texture_image(struct demo *demo,
+                                       struct texture_object *tex_objs) {
     /* clean up staging resources */
     vkFreeMemory(demo->device, tex_objs->mem, NULL);
     vkDestroyImage(demo->device, tex_objs->image, NULL);
 }
 
-static void demo_prepare_textures(struct demo *demo)
-{
+static void demo_prepare_textures(struct demo *demo) {
     const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
     VkFormatProperties props;
     uint32_t i;
@@ -1176,49 +1156,57 @@
     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
         VkResult U_ASSERT_ONLY err;
 
-        if ((props.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) && !demo->use_staging_buffer) {
+        if ((props.linearTilingFeatures &
+             VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
+            !demo->use_staging_buffer) {
             /* Device can texture using linear textures */
             demo_prepare_texture_image(demo, tex_files[i], &demo->textures[i],
-                                       VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
-        } else if (props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
+                                       VK_IMAGE_TILING_LINEAR,
+                                       VK_IMAGE_USAGE_SAMPLED_BIT,
+                                       VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
+        } else if (props.optimalTilingFeatures &
+                   VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
             /* Must use staging buffer to copy linear texture to optimized */
             struct texture_object staging_texture;
 
             memset(&staging_texture, 0, sizeof(staging_texture));
             demo_prepare_texture_image(demo, tex_files[i], &staging_texture,
-                                       VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
+                                       VK_IMAGE_TILING_LINEAR,
+                                       VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
+                                       VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
 
-            demo_prepare_texture_image(demo, tex_files[i], &demo->textures[i],
-                                       VK_IMAGE_TILING_OPTIMAL,
-                                       (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
-                                       VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
+            demo_prepare_texture_image(
+                demo, tex_files[i], &demo->textures[i], VK_IMAGE_TILING_OPTIMAL,
+                (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
+                VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
 
             demo_set_image_layout(demo, staging_texture.image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   staging_texture.imageLayout,
-                                   VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  staging_texture.imageLayout,
+                                  VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
 
             demo_set_image_layout(demo, demo->textures[i].image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   demo->textures[i].imageLayout,
-                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  demo->textures[i].imageLayout,
+                                  VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
 
             VkImageCopy copy_region = {
-                .srcSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 },
-                .srcOffset = { 0, 0, 0 },
-                .dstSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 },
-                .dstOffset = { 0, 0, 0 },
-                .extent = { staging_texture.tex_width, staging_texture.tex_height, 1 },
+                .srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
+                .srcOffset = {0, 0, 0},
+                .dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
+                .dstOffset = {0, 0, 0},
+                .extent = {staging_texture.tex_width,
+                           staging_texture.tex_height, 1},
             };
-            vkCmdCopyImage(demo->cmd,
-                            staging_texture.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
-                            demo->textures[i].image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                            1, &copy_region);
+            vkCmdCopyImage(
+                demo->cmd, staging_texture.image,
+                VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, demo->textures[i].image,
+                VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy_region);
 
             demo_set_image_layout(demo, demo->textures[i].image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                                   demo->textures[i].imageLayout);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
+                                  demo->textures[i].imageLayout);
 
             demo_flush_init_cmd(demo);
 
@@ -1253,29 +1241,29 @@
             .image = VK_NULL_HANDLE,
             .viewType = VK_IMAGE_VIEW_TYPE_2D,
             .format = tex_format,
-            .components = { VK_COMPONENT_SWIZZLE_R,
-                          VK_COMPONENT_SWIZZLE_G,
-                          VK_COMPONENT_SWIZZLE_B,
-                          VK_COMPONENT_SWIZZLE_A, },
-            .subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 },
+            .components =
+                {
+                 VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
+                 VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
+                },
+            .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1},
             .flags = 0,
         };
 
         /* create sampler */
         err = vkCreateSampler(demo->device, &sampler, NULL,
-                &demo->textures[i].sampler);
+                              &demo->textures[i].sampler);
         assert(!err);
 
         /* create image view */
         view.image = demo->textures[i].image;
         err = vkCreateImageView(demo->device, &view, NULL,
-                &demo->textures[i].view);
+                                &demo->textures[i].view);
         assert(!err);
     }
 }
 
-void demo_prepare_cube_data_buffer(struct demo *demo)
-{
+void demo_prepare_cube_data_buffer(struct demo *demo) {
     VkBufferCreateInfo buf_info;
     VkMemoryRequirements mem_reqs;
     uint8_t *pData;
@@ -1288,15 +1276,15 @@
     mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
     mat4x4_mul(MVP, VP, demo->model_matrix);
     memcpy(data.mvp, MVP, sizeof(MVP));
-//    dumpMatrix("MVP", MVP);
+    //    dumpMatrix("MVP", MVP);
 
-    for (i=0; i<12*3; i++) {
-        data.position[i][0] = g_vertex_buffer_data[i*3];
-        data.position[i][1] = g_vertex_buffer_data[i*3+1];
-        data.position[i][2] = g_vertex_buffer_data[i*3+2];
+    for (i = 0; i < 12 * 3; i++) {
+        data.position[i][0] = g_vertex_buffer_data[i * 3];
+        data.position[i][1] = g_vertex_buffer_data[i * 3 + 1];
+        data.position[i][2] = g_vertex_buffer_data[i * 3 + 2];
         data.position[i][3] = 1.0f;
-        data.attr[i][0] = g_uv_buffer_data[2*i];
-        data.attr[i][1] = g_uv_buffer_data[2*i + 1];
+        data.attr[i][0] = g_uv_buffer_data[2 * i];
+        data.attr[i][1] = g_uv_buffer_data[2 * i + 1];
         data.attr[i][2] = 0;
         data.attr[i][3] = 0;
     }
@@ -1305,37 +1293,38 @@
     buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
     buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
     buf_info.size = sizeof(data);
-    err = vkCreateBuffer(demo->device, &buf_info, NULL,
-            &demo->uniform_data.buf);
+    err =
+        vkCreateBuffer(demo->device, &buf_info, NULL, &demo->uniform_data.buf);
     assert(!err);
 
-    vkGetBufferMemoryRequirements(demo->device, demo->uniform_data.buf, &mem_reqs);
+    vkGetBufferMemoryRequirements(demo->device, demo->uniform_data.buf,
+                                  &mem_reqs);
 
     demo->uniform_data.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
     demo->uniform_data.mem_alloc.pNext = NULL;
     demo->uniform_data.mem_alloc.allocationSize = mem_reqs.size;
     demo->uniform_data.mem_alloc.memoryTypeIndex = 0;
 
-    pass = memory_type_from_properties(demo,
-                                      mem_reqs.memoryTypeBits,
-                                      VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
-                                      &demo->uniform_data.mem_alloc.memoryTypeIndex);
+    pass = memory_type_from_properties(
+        demo, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
+        &demo->uniform_data.mem_alloc.memoryTypeIndex);
     assert(pass);
 
-    err = vkAllocateMemory(demo->device, &demo->uniform_data.mem_alloc,
-            NULL, &(demo->uniform_data.mem));
+    err = vkAllocateMemory(demo->device, &demo->uniform_data.mem_alloc, NULL,
+                           &(demo->uniform_data.mem));
     assert(!err);
 
-    err = vkMapMemory(demo->device, demo->uniform_data.mem, 0, demo->uniform_data.mem_alloc.allocationSize, 0, (void **) &pData);
+    err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
+                      demo->uniform_data.mem_alloc.allocationSize, 0,
+                      (void **)&pData);
     assert(!err);
 
     memcpy(pData, &data, sizeof data);
 
     vkUnmapMemory(demo->device, demo->uniform_data.mem);
 
-    err = vkBindBufferMemory(demo->device,
-            demo->uniform_data.buf,
-            demo->uniform_data.mem, 0);
+    err = vkBindBufferMemory(demo->device, demo->uniform_data.buf,
+                             demo->uniform_data.mem, 0);
     assert(!err);
 
     demo->uniform_data.buffer_info.buffer = demo->uniform_data.buf;
@@ -1343,23 +1332,24 @@
     demo->uniform_data.buffer_info.range = sizeof(data);
 }
 
-static void demo_prepare_descriptor_layout(struct demo *demo)
-{
+static void demo_prepare_descriptor_layout(struct demo *demo) {
     const VkDescriptorSetLayoutBinding layout_bindings[2] = {
-        [0] = {
-            .binding = 0,
-            .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
-            .descriptorCount = 1,
-            .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
-            .pImmutableSamplers = NULL,
-        },
-        [1] = {
-            .binding = 1,
-            .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
-            .descriptorCount = DEMO_TEXTURE_COUNT,
-            .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
-            .pImmutableSamplers = NULL,
-        },
+            [0] =
+                {
+                 .binding = 0,
+                 .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+                 .descriptorCount = 1,
+                 .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
+                 .pImmutableSamplers = NULL,
+                },
+            [1] =
+                {
+                 .binding = 1,
+                 .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                 .descriptorCount = DEMO_TEXTURE_COUNT,
+                 .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
+                 .pImmutableSamplers = NULL,
+                },
     };
     const VkDescriptorSetLayoutCreateInfo descriptor_layout = {
         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
@@ -1369,51 +1359,51 @@
     };
     VkResult U_ASSERT_ONLY err;
 
-    err = vkCreateDescriptorSetLayout(demo->device,
-            &descriptor_layout, NULL, &demo->desc_layout);
+    err = vkCreateDescriptorSetLayout(demo->device, &descriptor_layout, NULL,
+                                      &demo->desc_layout);
     assert(!err);
 
     const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {
-        .sType              = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
-        .pNext              = NULL,
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+        .pNext = NULL,
         .setLayoutCount = 1,
-        .pSetLayouts        = &demo->desc_layout,
+        .pSetLayouts = &demo->desc_layout,
     };
 
-    err = vkCreatePipelineLayout(demo->device,
-                                 &pPipelineLayoutCreateInfo,
-                                 NULL,
+    err = vkCreatePipelineLayout(demo->device, &pPipelineLayoutCreateInfo, NULL,
                                  &demo->pipeline_layout);
     assert(!err);
 }
 
-static void demo_prepare_render_pass(struct demo *demo)
-{
+static void demo_prepare_render_pass(struct demo *demo) {
     const VkAttachmentDescription attachments[2] = {
-        [0] = {
-            .format = demo->format,
-            .samples = VK_SAMPLE_COUNT_1_BIT,
-            .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
-            .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
-            .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
-            .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-            .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-        },
-        [1] = {
-            .format = demo->depth.format,
-            .samples = VK_SAMPLE_COUNT_1_BIT,
-            .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
-            .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
-            .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-            .finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-        },
+            [0] =
+                {
+                 .format = demo->format,
+                 .samples = VK_SAMPLE_COUNT_1_BIT,
+                 .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
+                 .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
+                 .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
+                 .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+                 .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+                },
+            [1] =
+                {
+                 .format = demo->depth.format,
+                 .samples = VK_SAMPLE_COUNT_1_BIT,
+                 .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
+                 .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
+                 .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .initialLayout =
+                     VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
+                 .finalLayout =
+                     VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
+                },
     };
     const VkAttachmentReference color_reference = {
-        .attachment = 0,
-        .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+        .attachment = 0, .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
     };
     const VkAttachmentReference depth_reference = {
         .attachment = 1,
@@ -1447,10 +1437,8 @@
     assert(!err);
 }
 
-static VkShaderModule demo_prepare_shader_module(struct demo* demo,
-                                                 const void* code,
-                                                 size_t size)
-{
+static VkShaderModule
+demo_prepare_shader_module(struct demo *demo, const void *code, size_t size) {
     VkShaderModule module;
     VkShaderModuleCreateInfo moduleCreateInfo;
     VkResult U_ASSERT_ONLY err;
@@ -1467,14 +1455,14 @@
     return module;
 }
 
-char *demo_read_spv(const char *filename, size_t *psize)
-{
+char *demo_read_spv(const char *filename, size_t *psize) {
     long int size;
     size_t U_ASSERT_ONLY retval;
     void *shader_code;
 
     FILE *fp = fopen(filename, "rb");
-    if (!fp) return NULL;
+    if (!fp)
+        return NULL;
 
     fseek(fp, 0L, SEEK_END);
     size = ftell(fp);
@@ -1491,47 +1479,46 @@
     return shader_code;
 }
 
-static VkShaderModule demo_prepare_vs(struct demo *demo)
-{
+static VkShaderModule demo_prepare_vs(struct demo *demo) {
     void *vertShaderCode;
     size_t size;
 
     vertShaderCode = demo_read_spv("cube-vert.spv", &size);
 
-    demo->vert_shader_module = demo_prepare_shader_module(demo, vertShaderCode, size);
+    demo->vert_shader_module =
+        demo_prepare_shader_module(demo, vertShaderCode, size);
 
     free(vertShaderCode);
 
     return demo->vert_shader_module;
 }
 
-static VkShaderModule demo_prepare_fs(struct demo *demo)
-{
+static VkShaderModule demo_prepare_fs(struct demo *demo) {
     void *fragShaderCode;
     size_t size;
 
     fragShaderCode = demo_read_spv("cube-frag.spv", &size);
 
-    demo->frag_shader_module = demo_prepare_shader_module(demo, fragShaderCode, size);
+    demo->frag_shader_module =
+        demo_prepare_shader_module(demo, fragShaderCode, size);
 
     free(fragShaderCode);
 
     return demo->frag_shader_module;
 }
 
-static void demo_prepare_pipeline(struct demo *demo)
-{
+static void demo_prepare_pipeline(struct demo *demo) {
     VkGraphicsPipelineCreateInfo pipeline;
     VkPipelineCacheCreateInfo pipelineCache;
-    VkPipelineVertexInputStateCreateInfo   vi;
+    VkPipelineVertexInputStateCreateInfo vi;
     VkPipelineInputAssemblyStateCreateInfo ia;
-    VkPipelineRasterizationStateCreateInfo        rs;
-    VkPipelineColorBlendStateCreateInfo    cb;
-    VkPipelineDepthStencilStateCreateInfo  ds;
-    VkPipelineViewportStateCreateInfo      vp;
-    VkPipelineMultisampleStateCreateInfo   ms;
-    VkDynamicState                         dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE];
-    VkPipelineDynamicStateCreateInfo       dynamicState;
+    VkPipelineRasterizationStateCreateInfo rs;
+    VkPipelineColorBlendStateCreateInfo cb;
+    VkPipelineDepthStencilStateCreateInfo ds;
+    VkPipelineViewportStateCreateInfo vp;
+    VkPipelineMultisampleStateCreateInfo ms;
+    VkDynamicState dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE];
+    VkPipelineDynamicStateCreateInfo dynamicState;
     VkResult U_ASSERT_ONLY err;
 
     memset(dynamicStateEnables, 0, sizeof dynamicStateEnables);
@@ -1571,9 +1558,11 @@
     memset(&vp, 0, sizeof(vp));
     vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
     vp.viewportCount = 1;
-    dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_VIEWPORT;
+    dynamicStateEnables[dynamicState.dynamicStateCount++] =
+        VK_DYNAMIC_STATE_VIEWPORT;
     vp.scissorCount = 1;
-    dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR;
+    dynamicStateEnables[dynamicState.dynamicStateCount++] =
+        VK_DYNAMIC_STATE_SCISSOR;
 
     memset(&ds, 0, sizeof(ds));
     ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
@@ -1597,54 +1586,56 @@
     VkPipelineShaderStageCreateInfo shaderStages[2];
     memset(&shaderStages, 0, 2 * sizeof(VkPipelineShaderStageCreateInfo));
 
-    shaderStages[0].sType  = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
-    shaderStages[0].stage  = VK_SHADER_STAGE_VERTEX_BIT;
+    shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shaderStages[0].stage = VK_SHADER_STAGE_VERTEX_BIT;
     shaderStages[0].module = demo_prepare_vs(demo);
-    shaderStages[0].pName  = "main";
+    shaderStages[0].pName = "main";
 
-    shaderStages[1].sType  = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
-    shaderStages[1].stage  = VK_SHADER_STAGE_FRAGMENT_BIT;
+    shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
     shaderStages[1].module = demo_prepare_fs(demo);
-    shaderStages[1].pName  = "main";
+    shaderStages[1].pName = "main";
 
     memset(&pipelineCache, 0, sizeof(pipelineCache));
     pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
 
-    err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL, &demo->pipelineCache);
+    err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL,
+                                &demo->pipelineCache);
     assert(!err);
 
-    pipeline.pVertexInputState   = &vi;
+    pipeline.pVertexInputState = &vi;
     pipeline.pInputAssemblyState = &ia;
-    pipeline.pRasterizationState        = &rs;
-    pipeline.pColorBlendState    = &cb;
-    pipeline.pMultisampleState   = &ms;
-    pipeline.pViewportState      = &vp;
-    pipeline.pDepthStencilState  = &ds;
-    pipeline.pStages             = shaderStages;
-    pipeline.renderPass          = demo->render_pass;
-    pipeline.pDynamicState       = &dynamicState;
+    pipeline.pRasterizationState = &rs;
+    pipeline.pColorBlendState = &cb;
+    pipeline.pMultisampleState = &ms;
+    pipeline.pViewportState = &vp;
+    pipeline.pDepthStencilState = &ds;
+    pipeline.pStages = shaderStages;
+    pipeline.renderPass = demo->render_pass;
+    pipeline.pDynamicState = &dynamicState;
 
     pipeline.renderPass = demo->render_pass;
 
-    err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache,
-            1, &pipeline, NULL, &demo->pipeline);
+    err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1,
+                                    &pipeline, NULL, &demo->pipeline);
     assert(!err);
 
     vkDestroyShaderModule(demo->device, demo->frag_shader_module, NULL);
     vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL);
 }
 
-static void demo_prepare_descriptor_pool(struct demo *demo)
-{
+static void demo_prepare_descriptor_pool(struct demo *demo) {
     const VkDescriptorPoolSize type_counts[2] = {
-        [0] = {
-            .type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
-            .descriptorCount = 1,
-        },
-        [1] = {
-            .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
-            .descriptorCount = DEMO_TEXTURE_COUNT,
-        },
+            [0] =
+                {
+                 .type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+                 .descriptorCount = 1,
+                },
+            [1] =
+                {
+                 .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
+                 .descriptorCount = DEMO_TEXTURE_COUNT,
+                },
     };
     const VkDescriptorPoolCreateInfo descriptor_pool = {
         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
@@ -1655,13 +1646,12 @@
     };
     VkResult U_ASSERT_ONLY err;
 
-    err = vkCreateDescriptorPool(demo->device,
-            &descriptor_pool, NULL, &demo->desc_pool);
+    err = vkCreateDescriptorPool(demo->device, &descriptor_pool, NULL,
+                                 &demo->desc_pool);
     assert(!err);
 }
 
-static void demo_prepare_descriptor_set(struct demo *demo)
-{
+static void demo_prepare_descriptor_set(struct demo *demo) {
     VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT];
     VkWriteDescriptorSet writes[2];
     VkResult U_ASSERT_ONLY err;
@@ -1672,8 +1662,7 @@
         .pNext = NULL,
         .descriptorPool = demo->desc_pool,
         .descriptorSetCount = 1,
-        .pSetLayouts = &demo->desc_layout
-    };
+        .pSetLayouts = &demo->desc_layout};
     err = vkAllocateDescriptorSets(demo->device, &alloc_info, &demo->desc_set);
     assert(!err);
 
@@ -1702,36 +1691,36 @@
     vkUpdateDescriptorSets(demo->device, 2, writes, 0, NULL);
 }
 
-static void demo_prepare_framebuffers(struct demo *demo)
-{
+static void demo_prepare_framebuffers(struct demo *demo) {
     VkImageView attachments[2];
     attachments[1] = demo->depth.view;
 
     const VkFramebufferCreateInfo fb_info = {
-         .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
-         .pNext = NULL,
-         .renderPass = demo->render_pass,
-         .attachmentCount = 2,
-         .pAttachments = attachments,
-         .width  = demo->width,
-         .height = demo->height,
-         .layers = 1,
+        .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
+        .pNext = NULL,
+        .renderPass = demo->render_pass,
+        .attachmentCount = 2,
+        .pAttachments = attachments,
+        .width = demo->width,
+        .height = demo->height,
+        .layers = 1,
     };
     VkResult U_ASSERT_ONLY err;
     uint32_t i;
 
-    demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount * sizeof(VkFramebuffer));
+    demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount *
+                                                 sizeof(VkFramebuffer));
     assert(demo->framebuffers);
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
         attachments[0] = demo->buffers[i].view;
-        err = vkCreateFramebuffer(demo->device, &fb_info, NULL, &demo->framebuffers[i]);
+        err = vkCreateFramebuffer(demo->device, &fb_info, NULL,
+                                  &demo->framebuffers[i]);
         assert(!err);
     }
 }
 
-static void demo_prepare(struct demo *demo)
-{
+static void demo_prepare(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
 
     const VkCommandPoolCreateInfo cmd_pool_info = {
@@ -1740,7 +1729,8 @@
         .queueFamilyIndex = demo->graphics_queue_node_index,
         .flags = 0,
     };
-    err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL, &demo->cmd_pool);
+    err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL,
+                              &demo->cmd_pool);
     assert(!err);
 
     const VkCommandBufferAllocateInfo cmd = {
@@ -1761,7 +1751,8 @@
     demo_prepare_pipeline(demo);
 
     for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
-        err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->buffers[i].cmd);
+        err =
+            vkAllocateCommandBuffers(demo->device, &cmd, &demo->buffers[i].cmd);
         assert(!err);
     }
 
@@ -1785,8 +1776,7 @@
     demo->prepared = true;
 }
 
-static void demo_cleanup(struct demo *demo)
-{
+static void demo_cleanup(struct demo *demo) {
     uint32_t i;
 
     demo->prepared = false;
@@ -1820,7 +1810,8 @@
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
         vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
-        vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->buffers[i].cmd);
+        vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
+                             &demo->buffers[i].cmd);
     }
     free(demo->buffers);
 
@@ -1841,8 +1832,7 @@
 #endif // _WIN32
 }
 
-static void demo_resize(struct demo *demo)
-{
+static void demo_resize(struct demo *demo) {
     uint32_t i;
 
     // Don't react to resize until after first initialization.
@@ -1883,7 +1873,8 @@
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
         vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
-        vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->buffers[i].cmd);
+        vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
+                             &demo->buffers[i].cmd);
     }
     vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
     free(demo->buffers);
@@ -1897,8 +1888,7 @@
 struct demo demo;
 
 #ifdef _WIN32
-static void demo_run(struct demo *demo)
-{
+static void demo_run(struct demo *demo) {
     if (!demo->prepared)
         return;
     // Wait for work to finish before updating MVP.
@@ -1912,23 +1902,16 @@
 
     demo->curFrame++;
 
-    if (demo->frameCount != INT_MAX && demo->curFrame == demo->frameCount)
-    {
-        demo->quit=true;
+    if (demo->frameCount != INT_MAX && demo->curFrame == demo->frameCount) {
+        demo->quit = true;
         demo_cleanup(demo);
         ExitProcess(0);
     }
-
 }
 
 // MS-Windows event handling function:
-LRESULT CALLBACK WndProc(HWND hWnd,
-                         UINT uMsg,
-                         WPARAM wParam,
-                         LPARAM lParam)
-{
-    switch(uMsg)
-    {
+LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
+    switch (uMsg) {
     case WM_CLOSE:
         PostQuitMessage(0);
         break;
@@ -1946,9 +1929,8 @@
     return (DefWindowProc(hWnd, uMsg, wParam, lParam));
 }
 
-static void demo_create_window(struct demo *demo)
-{
-    WNDCLASSEX  win_class;
+static void demo_create_window(struct demo *demo) {
+    WNDCLASSEX win_class;
 
     // Initialize the window class structure:
     win_class.cbSize = sizeof(WNDCLASSEX);
@@ -1971,21 +1953,20 @@
         exit(1);
     }
     // Create window with the registered class:
-    RECT wr = { 0, 0, demo->width, demo->height };
+    RECT wr = {0, 0, demo->width, demo->height};
     AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
     demo->window = CreateWindowEx(0,
                                   demo->name,           // class name
                                   demo->name,           // app name
                                   WS_OVERLAPPEDWINDOW | // window style
-                                  WS_VISIBLE |
-                                  WS_SYSMENU,
-                                  100,100,              // x/y coords
-                                  wr.right-wr.left,     // width
-                                  wr.bottom-wr.top,     // height
-                                  NULL,                 // handle to parent
-                                  NULL,                 // handle to menu
-                                  demo->connection,     // hInstance
-                                  NULL);                // no extra parameters
+                                      WS_VISIBLE | WS_SYSMENU,
+                                  100, 100,           // x/y coords
+                                  wr.right - wr.left, // width
+                                  wr.bottom - wr.top, // height
+                                  NULL,               // handle to parent
+                                  NULL,               // handle to menu
+                                  demo->connection,   // hInstance
+                                  NULL);              // no extra parameters
     if (!demo->window) {
         // It didn't work, so try to give a useful error:
         printf("Cannot create a window in which to draw!\n");
@@ -1995,56 +1976,50 @@
 }
 #else  // _WIN32
 static void demo_handle_event(struct demo *demo,
-                              const xcb_generic_event_t *event)
-{
+                              const xcb_generic_event_t *event) {
     uint8_t event_code = event->response_type & 0x7f;
     switch (event_code) {
     case XCB_EXPOSE:
         // TODO: Resize window
         break;
     case XCB_CLIENT_MESSAGE:
-        if((*(xcb_client_message_event_t*)event).data.data32[0] ==
-           (*demo->atom_wm_delete_window).atom) {
+        if ((*(xcb_client_message_event_t *)event).data.data32[0] ==
+            (*demo->atom_wm_delete_window).atom) {
             demo->quit = true;
         }
         break;
-    case XCB_KEY_RELEASE:
-        {
-            const xcb_key_release_event_t *key =
-                (const xcb_key_release_event_t *) event;
+    case XCB_KEY_RELEASE: {
+        const xcb_key_release_event_t *key =
+            (const xcb_key_release_event_t *)event;
 
-            switch (key->detail) {
-            case 0x9:           // Escape
-                demo->quit = true;
-                break;
-            case 0x71:          // left arrow key
-                demo->spin_angle += demo->spin_increment;
-                break;
-            case 0x72:          // right arrow key
-                demo->spin_angle -= demo->spin_increment;
-                break;
-            case 0x41:
-                demo->pause = !demo->pause;
-                break;
-            }
+        switch (key->detail) {
+        case 0x9: // Escape
+            demo->quit = true;
+            break;
+        case 0x71: // left arrow key
+            demo->spin_angle += demo->spin_increment;
+            break;
+        case 0x72: // right arrow key
+            demo->spin_angle -= demo->spin_increment;
+            break;
+        case 0x41:
+            demo->pause = !demo->pause;
+            break;
         }
-        break;
-    case XCB_CONFIGURE_NOTIFY:
-        {
-            const xcb_configure_notify_event_t *cfg =
-                (const xcb_configure_notify_event_t *) event;
-            if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
-              demo_resize(demo);
-            }
+    } break;
+    case XCB_CONFIGURE_NOTIFY: {
+        const xcb_configure_notify_event_t *cfg =
+            (const xcb_configure_notify_event_t *)event;
+        if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
+            demo_resize(demo);
         }
-        break;
+    } break;
     default:
         break;
     }
 }
 
-static void demo_run(struct demo *demo)
-{
+static void demo_run(struct demo *demo) {
     xcb_flush(demo->connection);
 
     while (!demo->quit) {
@@ -2071,47 +2046,45 @@
         demo->curFrame++;
         if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
             demo->quit = true;
-
     }
 }
 
-static void demo_create_window(struct demo *demo)
-{
+static void demo_create_window(struct demo *demo) {
     uint32_t value_mask, value_list[32];
 
     demo->window = xcb_generate_id(demo->connection);
 
     value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
     value_list[0] = demo->screen->black_pixel;
-    value_list[1] = XCB_EVENT_MASK_KEY_RELEASE |
-                    XCB_EVENT_MASK_EXPOSURE |
+    value_list[1] = XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_EXPOSURE |
                     XCB_EVENT_MASK_STRUCTURE_NOTIFY;
 
-    xcb_create_window(demo->connection,
-            XCB_COPY_FROM_PARENT,
-            demo->window, demo->screen->root,
-            0, 0, demo->width, demo->height, 0,
-            XCB_WINDOW_CLASS_INPUT_OUTPUT,
-            demo->screen->root_visual,
-            value_mask, value_list);
+    xcb_create_window(demo->connection, XCB_COPY_FROM_PARENT, demo->window,
+                      demo->screen->root, 0, 0, demo->width, demo->height, 0,
+                      XCB_WINDOW_CLASS_INPUT_OUTPUT, demo->screen->root_visual,
+                      value_mask, value_list);
 
     /* Magic code that will send notification when window is destroyed */
-    xcb_intern_atom_cookie_t cookie = xcb_intern_atom(demo->connection, 1, 12,
-                                                      "WM_PROTOCOLS");
-    xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(demo->connection, cookie, 0);
+    xcb_intern_atom_cookie_t cookie =
+        xcb_intern_atom(demo->connection, 1, 12, "WM_PROTOCOLS");
+    xcb_intern_atom_reply_t *reply =
+        xcb_intern_atom_reply(demo->connection, cookie, 0);
 
-    xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
-    demo->atom_wm_delete_window = xcb_intern_atom_reply(demo->connection, cookie2, 0);
+    xcb_intern_atom_cookie_t cookie2 =
+        xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
+    demo->atom_wm_delete_window =
+        xcb_intern_atom_reply(demo->connection, cookie2, 0);
 
-    xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE,
-                        demo->window, (*reply).atom, 4, 32, 1,
+    xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE, demo->window,
+                        (*reply).atom, 4, 32, 1,
                         &(*demo->atom_wm_delete_window).atom);
     free(reply);
 
     xcb_map_window(demo->connection, demo->window);
 
-    // Force the x/y coordinates to 100,100 results are identical in consecutive runs
-    const uint32_t coords[] = {100,  100};
+    // Force the x/y coordinates to 100,100 results are identical in consecutive
+    // runs
+    const uint32_t coords[] = {100, 100};
     xcb_configure_window(demo->connection, demo->window,
                          XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, coords);
 }
@@ -2122,8 +2095,8 @@
  * can be found in given layer properties.
  */
 static VkBool32 demo_check_layers(uint32_t check_count, char **check_names,
-                              uint32_t layer_count, VkLayerProperties *layers)
-{
+                                  uint32_t layer_count,
+                                  VkLayerProperties *layers) {
     for (uint32_t i = 0; i < check_count; i++) {
         VkBool32 found = 0;
         for (uint32_t j = 0; j < layer_count; j++) {
@@ -2139,8 +2112,7 @@
     return 1;
 }
 
-static void demo_init_vk(struct demo *demo)
-{
+static void demo_init_vk(struct demo *demo) {
     VkResult err;
     char *extension_names[64];
     VkExtensionProperties *instance_extensions;
@@ -2154,14 +2126,10 @@
     uint32_t enabled_layer_count = 0;
 
     char *instance_validation_layers[] = {
-        "VK_LAYER_LUNARG_threading",
-        "VK_LAYER_LUNARG_mem_tracker",
-        "VK_LAYER_LUNARG_object_tracker",
-        "VK_LAYER_LUNARG_draw_state",
-        "VK_LAYER_LUNARG_param_checker",
-        "VK_LAYER_LUNARG_swapchain",
-        "VK_LAYER_LUNARG_device_limits",
-        "VK_LAYER_LUNARG_image",
+        "VK_LAYER_LUNARG_threading",      "VK_LAYER_LUNARG_mem_tracker",
+        "VK_LAYER_LUNARG_object_tracker", "VK_LAYER_LUNARG_draw_state",
+        "VK_LAYER_LUNARG_param_checker",  "VK_LAYER_LUNARG_swapchain",
+        "VK_LAYER_LUNARG_device_limits",  "VK_LAYER_LUNARG_image",
     };
 
     demo->device_validation_layers[0] = "VK_LAYER_LUNARG_threading";
@@ -2180,12 +2148,14 @@
     assert(!err);
 
     instance_layers = malloc(sizeof(VkLayerProperties) * instance_layer_count);
-    err = vkEnumerateInstanceLayerProperties(&instance_layer_count, instance_layers);
+    err = vkEnumerateInstanceLayerProperties(&instance_layer_count,
+                                             instance_layers);
     assert(!err);
 
     if (demo->validate) {
-        validation_found = demo_check_layers(ARRAY_SIZE(instance_validation_layers), instance_validation_layers,
-                                             instance_layer_count, instance_layers);
+        validation_found = demo_check_layers(
+            ARRAY_SIZE(instance_validation_layers), instance_validation_layers,
+            instance_layer_count, instance_layers);
         if (!validation_found) {
             ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find"
                      "required validation layer.\n\n"
@@ -2196,41 +2166,53 @@
         enabled_layer_count = ARRAY_SIZE(instance_validation_layers);
     }
 
-    err = vkEnumerateInstanceExtensionProperties(NULL, &instance_extension_count, NULL);
+    err = vkEnumerateInstanceExtensionProperties(
+        NULL, &instance_extension_count, NULL);
     assert(!err);
 
     VkBool32 surfaceExtFound = 0;
     VkBool32 platformSurfaceExtFound = 0;
     memset(extension_names, 0, sizeof(extension_names));
-    instance_extensions = malloc(sizeof(VkExtensionProperties) * instance_extension_count);
-    err = vkEnumerateInstanceExtensionProperties(NULL, &instance_extension_count, instance_extensions);
+    instance_extensions =
+        malloc(sizeof(VkExtensionProperties) * instance_extension_count);
+    err = vkEnumerateInstanceExtensionProperties(
+        NULL, &instance_extension_count, instance_extensions);
     assert(!err);
     for (uint32_t i = 0; i < instance_extension_count; i++) {
-        if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             surfaceExtFound = 1;
-            extension_names[enabled_extension_count++] = VK_KHR_SURFACE_EXTENSION_NAME;
+            extension_names[enabled_extension_count++] =
+                VK_KHR_SURFACE_EXTENSION_NAME;
         }
 #ifdef _WIN32
-        if (!strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             platformSurfaceExtFound = 1;
-            extension_names[enabled_extension_count++] = VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
+            extension_names[enabled_extension_count++] =
+                VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
         }
 #else  // _WIN32
-        if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             platformSurfaceExtFound = 1;
-            extension_names[enabled_extension_count++] = VK_KHR_XCB_SURFACE_EXTENSION_NAME;
+            extension_names[enabled_extension_count++] =
+                VK_KHR_XCB_SURFACE_EXTENSION_NAME;
         }
 #endif // _WIN32
-        if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             if (demo->validate) {
-                extension_names[enabled_extension_count++] = VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
+                extension_names[enabled_extension_count++] =
+                    VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
             }
         }
         assert(enabled_extension_count < 64);
     }
     if (!surfaceExtFound) {
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-                 VK_KHR_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
@@ -2238,15 +2220,17 @@
     }
     if (!platformSurfaceExtFound) {
 #ifdef _WIN32
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-                 VK_KHR_WIN32_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_WIN32_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
                  "vkCreateInstance Failure");
 #else  // _WIN32
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-                 VK_KHR_XCB_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_XCB_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
@@ -2267,9 +2251,11 @@
         .pNext = NULL,
         .pApplicationInfo = &app,
         .enabledLayerCount = enabled_layer_count,
-        .ppEnabledLayerNames = (const char *const*) ((demo->validate) ? instance_validation_layers : NULL),
+        .ppEnabledLayerNames =
+            (const char *const *)((demo->validate) ? instance_validation_layers
+                                                   : NULL),
         .enabledExtensionCount = enabled_extension_count,
-        .ppEnabledExtensionNames = (const char *const*) extension_names,
+        .ppEnabledExtensionNames = (const char *const *)extension_names,
     };
 
     uint32_t gpu_count;
@@ -2308,15 +2294,18 @@
     validation_found = 0;
     demo->enabled_layer_count = 0;
     uint32_t device_layer_count = 0;
-    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, NULL);
+    err =
+        vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, NULL);
     assert(!err);
 
     device_layers = malloc(sizeof(VkLayerProperties) * device_layer_count);
-    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, device_layers);
+    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count,
+                                           device_layers);
     assert(!err);
 
     if (demo->validate) {
-        validation_found = demo_check_layers(device_validation_layer_count, demo->device_validation_layers,
+        validation_found = demo_check_layers(device_validation_layer_count,
+                                             demo->device_validation_layers,
                                              device_layer_count, device_layers);
         if (!validation_found) {
             ERR_EXIT("vkEnumerateDeviceLayerProperties failed to find"
@@ -2330,28 +2319,32 @@
 
     uint32_t device_extension_count = 0;
     VkExtensionProperties *device_extensions = NULL;
-    err = vkEnumerateDeviceExtensionProperties(
-              demo->gpu, NULL, &device_extension_count, NULL);
+    err = vkEnumerateDeviceExtensionProperties(demo->gpu, NULL,
+                                               &device_extension_count, NULL);
     assert(!err);
 
     VkBool32 swapchainExtFound = 0;
     demo->enabled_extension_count = 0;
     memset(extension_names, 0, sizeof(extension_names));
-    device_extensions = malloc(sizeof(VkExtensionProperties) * device_extension_count);
+    device_extensions =
+        malloc(sizeof(VkExtensionProperties) * device_extension_count);
     err = vkEnumerateDeviceExtensionProperties(
-              demo->gpu, NULL, &device_extension_count, device_extensions);
+        demo->gpu, NULL, &device_extension_count, device_extensions);
     assert(!err);
 
     for (uint32_t i = 0; i < device_extension_count; i++) {
-        if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME, device_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME,
+                    device_extensions[i].extensionName)) {
             swapchainExtFound = 1;
-            demo->extension_names[demo->enabled_extension_count++] = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
+            demo->extension_names[demo->enabled_extension_count++] =
+                VK_KHR_SWAPCHAIN_EXTENSION_NAME;
         }
         assert(demo->enabled_extension_count < 64);
     }
     if (!swapchainExtFound) {
-        ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find the "
-                 VK_KHR_SWAPCHAIN_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find "
+                 "the " VK_KHR_SWAPCHAIN_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
@@ -2359,17 +2352,25 @@
     }
 
     if (demo->validate) {
-        demo->CreateDebugReportCallback = (PFN_vkCreateDebugReportCallbackEXT) vkGetInstanceProcAddr(demo->inst, "vkCreateDebugReportCallbackEXT");
-        demo->DestroyDebugReportCallback = (PFN_vkDestroyDebugReportCallbackEXT) vkGetInstanceProcAddr(demo->inst, "vkDestroyDebugReportCallbackEXT");
+        demo->CreateDebugReportCallback =
+            (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(
+                demo->inst, "vkCreateDebugReportCallbackEXT");
+        demo->DestroyDebugReportCallback =
+            (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(
+                demo->inst, "vkDestroyDebugReportCallbackEXT");
         if (!demo->CreateDebugReportCallback) {
-            ERR_EXIT("GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
-                     "vkGetProcAddr Failure");
+            ERR_EXIT(
+                "GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
+                "vkGetProcAddr Failure");
         }
         if (!demo->DestroyDebugReportCallback) {
-            ERR_EXIT("GetProcAddr: Unable to find vkDestroyDebugReportCallbackEXT\n",
-                     "vkGetProcAddr Failure");
+            ERR_EXIT(
+                "GetProcAddr: Unable to find vkDestroyDebugReportCallbackEXT\n",
+                "vkGetProcAddr Failure");
         }
-        demo->DebugReportMessage = (PFN_vkDebugReportMessageEXT) vkGetInstanceProcAddr(demo->inst, "vkDebugReportMessageEXT");
+        demo->DebugReportMessage =
+            (PFN_vkDebugReportMessageEXT)vkGetInstanceProcAddr(
+                demo->inst, "vkDebugReportMessageEXT");
         if (!demo->DebugReportMessage) {
             ERR_EXIT("GetProcAddr: Unable to find vkDebugReportMessageEXT\n",
                      "vkGetProcAddr Failure");
@@ -2381,7 +2382,8 @@
             callback = dbgFunc;
         } else {
             callback = dbgFunc;
-            // TODO add a break callback defined locally since there is no longer
+            // TODO add a break callback defined locally since there is no
+            // longer
             // one included in the loader
         }
         VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
@@ -2389,12 +2391,10 @@
         dbgCreateInfo.pNext = NULL;
         dbgCreateInfo.pfnCallback = callback;
         dbgCreateInfo.pUserData = NULL;
-        dbgCreateInfo.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARN_BIT_EXT;
-        err = demo->CreateDebugReportCallback(
-                  demo->inst,
-                  &dbgCreateInfo,
-                  NULL,
-                  &demo->msg_callback);
+        dbgCreateInfo.flags =
+            VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARN_BIT_EXT;
+        err = demo->CreateDebugReportCallback(demo->inst, &dbgCreateInfo, NULL,
+                                              &demo->msg_callback);
         switch (err) {
         case VK_SUCCESS:
             break;
@@ -2411,20 +2411,25 @@
     vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props);
 
     /* Call with NULL data to get count */
-    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, NULL);
+    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
+                                             NULL);
     assert(demo->queue_count >= 1);
 
-    demo->queue_props = (VkQueueFamilyProperties *) malloc(demo->queue_count * sizeof(VkQueueFamilyProperties));
-    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, demo->queue_props);
+    demo->queue_props = (VkQueueFamilyProperties *)malloc(
+        demo->queue_count * sizeof(VkQueueFamilyProperties));
+    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
+                                             demo->queue_props);
     // Find a queue that supports gfx
     uint32_t gfx_queue_idx = 0;
-    for (gfx_queue_idx = 0; gfx_queue_idx<demo->queue_count; gfx_queue_idx++) {
+    for (gfx_queue_idx = 0; gfx_queue_idx < demo->queue_count;
+         gfx_queue_idx++) {
         if (demo->queue_props[gfx_queue_idx].queueFlags & VK_QUEUE_GRAPHICS_BIT)
             break;
     }
     assert(gfx_queue_idx < demo->queue_count);
     // Query fine-grained feature support for this device.
-    //  If app has specific feature requirements it should check supported features based on this query
+    //  If app has specific feature requirements it should check supported
+    //  features based on this query
     VkPhysicalDeviceFeatures physDevFeatures;
     vkGetPhysicalDeviceFeatures(demo->gpu, &physDevFeatures);
 
@@ -2437,17 +2442,15 @@
     GET_INSTANCE_PROC_ADDR(demo->inst, GetSwapchainImagesKHR);
 }
 
-static void demo_create_device(struct demo *demo)
-{
+static void demo_create_device(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
-    float queue_priorities[1] = { 0.0 };
+    float queue_priorities[1] = {0.0};
     const VkDeviceQueueCreateInfo queue = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
         .pNext = NULL,
         .queueFamilyIndex = demo->graphics_queue_node_index,
         .queueCount = 1,
-        .pQueuePriorities = queue_priorities
-    };
+        .pQueuePriorities = queue_priorities};
 
     VkDeviceCreateInfo device = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
@@ -2455,23 +2458,25 @@
         .queueCreateInfoCount = 1,
         .pQueueCreateInfos = &queue,
         .enabledLayerCount = demo->enabled_layer_count,
-        .ppEnabledLayerNames = (const char *const*) ((demo->validate) ? demo->device_validation_layers : NULL),
+        .ppEnabledLayerNames =
+            (const char *const *)((demo->validate)
+                                      ? demo->device_validation_layers
+                                      : NULL),
         .enabledExtensionCount = demo->enabled_extension_count,
-        .ppEnabledExtensionNames = (const char *const*) demo->extension_names,
-        .pEnabledFeatures = NULL, // If specific features are required, pass them in here
+        .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
+        .pEnabledFeatures =
+            NULL, // If specific features are required, pass them in here
     };
 
     err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device);
     assert(!err);
-
 }
 
-static void demo_init_vk_swapchain(struct demo *demo)
-{
+static void demo_init_vk_swapchain(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     uint32_t i;
 
-    // Create a WSI surface for the window:
+// Create a WSI surface for the window:
 #ifdef _WIN32
     VkWin32SurfaceCreateInfoKHR createInfo;
     createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
@@ -2480,8 +2485,8 @@
     createInfo.hinstance = demo->connection;
     createInfo.hwnd = demo->window;
 
-    err = vkCreateWin32SurfaceKHR(demo->inst, &createInfo,
-                                  NULL, &demo->surface);
+    err =
+        vkCreateWin32SurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
 
 #else  // _WIN32
     VkXcbSurfaceCreateInfoKHR createInfo;
@@ -2491,28 +2496,27 @@
     createInfo.connection = demo->connection;
     createInfo.window = demo->window;
 
-    err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo,
-                                NULL, &demo->surface);
+    err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
 #endif // _WIN32
 
     // Iterate over each queue to learn whether it supports presenting:
-    VkBool32* supportsPresent = (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
+    VkBool32 *supportsPresent =
+        (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
     for (i = 0; i < demo->queue_count; i++) {
-        demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i,
-                                                   demo->surface,
+        demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface,
                                                    &supportsPresent[i]);
     }
 
     // Search for a graphics and a present queue in the array of queue
     // families, try to find one that supports both
     uint32_t graphicsQueueNodeIndex = UINT32_MAX;
-    uint32_t presentQueueNodeIndex  = UINT32_MAX;
+    uint32_t presentQueueNodeIndex = UINT32_MAX;
     for (i = 0; i < demo->queue_count; i++) {
         if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
             if (graphicsQueueNodeIndex == UINT32_MAX) {
                 graphicsQueueNodeIndex = i;
             }
-            
+
             if (supportsPresent[i] == VK_TRUE) {
                 graphicsQueueNodeIndex = i;
                 presentQueueNodeIndex = i;
@@ -2533,7 +2537,8 @@
     free(supportsPresent);
 
     // Generate error if could not find both a graphics and a present queue
-    if (graphicsQueueNodeIndex == UINT32_MAX || presentQueueNodeIndex == UINT32_MAX) {
+    if (graphicsQueueNodeIndex == UINT32_MAX ||
+        presentQueueNodeIndex == UINT32_MAX) {
         ERR_EXIT("Could not find a graphics and a present queue\n",
                  "Swapchain Initialization Failure");
     }
@@ -2558,30 +2563,25 @@
     GET_DEVICE_PROC_ADDR(demo->device, AcquireNextImageKHR);
     GET_DEVICE_PROC_ADDR(demo->device, QueuePresentKHR);
 
-    vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index,
-            0, &demo->queue);
+    vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, 0,
+                     &demo->queue);
 
     // Get the list of VkFormat's that are supported:
     uint32_t formatCount;
-    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu,
-                                                     demo->surface,
+    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
                                                      &formatCount, NULL);
     assert(!err);
     VkSurfaceFormatKHR *surfFormats =
         (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
-    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu,
-                                                     demo->surface,
+    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
                                                      &formatCount, surfFormats);
     assert(!err);
     // If the format list includes just one entry of VK_FORMAT_UNDEFINED,
     // the surface has no preferred format.  Otherwise, at least one
     // supported format will be returned.
-    if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED)
-    {
+    if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
         demo->format = VK_FORMAT_B8G8R8A8_UNORM;
-    }
-    else
-    {
+    } else {
         assert(formatCount >= 1);
         demo->format = surfFormats[0].format;
     }
@@ -2594,8 +2594,7 @@
     vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties);
 }
 
-static void demo_init_connection(struct demo *demo)
-{
+static void demo_init_connection(struct demo *demo) {
 #ifndef _WIN32
     const xcb_setup_t *setup;
     xcb_screen_iterator_t iter;
@@ -2618,8 +2617,7 @@
 #endif // _WIN32
 }
 
-static void demo_init(struct demo *demo, int argc, char **argv)
-{
+static void demo_init(struct demo *demo, int argc, char **argv) {
     vec3 eye = {0.0f, 3.0f, 5.0f};
     vec3 origin = {0, 0, 0};
     vec3 up = {0.0f, 1.0f, 0.0};
@@ -2640,17 +2638,16 @@
             demo->validate = true;
             continue;
         }
-        if (strcmp(argv[i], "--c") == 0 &&
-            demo->frameCount == INT32_MAX &&
-            i < argc-1 &&
-            sscanf(argv[i+1],"%d", &demo->frameCount) == 1 &&
-            demo->frameCount >= 0)
-        {
+        if (strcmp(argv[i], "--c") == 0 && demo->frameCount == INT32_MAX &&
+            i < argc - 1 && sscanf(argv[i + 1], "%d", &demo->frameCount) == 1 &&
+            demo->frameCount >= 0) {
             i++;
             continue;
         }
 
-        fprintf(stderr, "Usage:\n  %s [--use_staging] [--validate] [--break] [--c <framecount>]\n", APP_SHORT_NAME);
+        fprintf(stderr, "Usage:\n  %s [--use_staging] [--validate] [--break] "
+                        "[--c <framecount>]\n",
+                APP_SHORT_NAME);
         fflush(stderr);
         exit(1);
     }
@@ -2665,71 +2662,60 @@
     demo->spin_increment = 0.01f;
     demo->pause = false;
 
-    mat4x4_perspective(demo->projection_matrix, (float)degreesToRadians(45.0f), 1.0f, 0.1f, 100.0f);
+    mat4x4_perspective(demo->projection_matrix, (float)degreesToRadians(45.0f),
+                       1.0f, 0.1f, 100.0f);
     mat4x4_look_at(demo->view_matrix, eye, origin, up);
     mat4x4_identity(demo->model_matrix);
 }
 
-
 #ifdef _WIN32
 // Include header required for parsing the command line options.
 #include <shellapi.h>
 
-int WINAPI WinMain(HINSTANCE hInstance,
-                   HINSTANCE hPrevInstance,
-                   LPSTR pCmdLine,
-                   int nCmdShow)
-{
-    MSG msg;         // message
-    bool done;       // flag saying when app is complete
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine,
+                   int nCmdShow) {
+    MSG msg;   // message
+    bool done; // flag saying when app is complete
     int argc;
-    char** argv;
+    char **argv;
 
-    // Use the CommandLine functions to get the command line arguments.  Unfortunately, Microsoft outputs
-    // this information as wide characters for Unicode, and we simply want the Ascii version to be compatible
-    // with the non-Windows side.  So, we have to convert the information to Ascii character strings.
-    LPWSTR* commandLineArgs = CommandLineToArgvW(GetCommandLineW(), &argc);
-    if (NULL == commandLineArgs)
-    {
+    // Use the CommandLine functions to get the command line arguments.
+    // Unfortunately, Microsoft outputs
+    // this information as wide characters for Unicode, and we simply want the
+    // Ascii version to be compatible
+    // with the non-Windows side.  So, we have to convert the information to
+    // Ascii character strings.
+    LPWSTR *commandLineArgs = CommandLineToArgvW(GetCommandLineW(), &argc);
+    if (NULL == commandLineArgs) {
         argc = 0;
     }
 
-    if (argc > 0)
-    {
-        argv = (char**)malloc(sizeof(char*) * argc);
-        if (argv == NULL)
-        {
+    if (argc > 0) {
+        argv = (char **)malloc(sizeof(char *) * argc);
+        if (argv == NULL) {
             argc = 0;
-        }
-        else
-        {
-            for (int iii = 0; iii < argc; iii++)
-            {
-                size_t wideCharLen  = wcslen(commandLineArgs[iii]);
+        } else {
+            for (int iii = 0; iii < argc; iii++) {
+                size_t wideCharLen = wcslen(commandLineArgs[iii]);
                 size_t numConverted = 0;
 
-                argv[iii] = (char*)malloc(sizeof(char) * (wideCharLen + 1));
-                if (argv[iii] != NULL)
-                {
-                    wcstombs_s(&numConverted, argv[iii], wideCharLen + 1, commandLineArgs[iii], wideCharLen + 1);
+                argv[iii] = (char *)malloc(sizeof(char) * (wideCharLen + 1));
+                if (argv[iii] != NULL) {
+                    wcstombs_s(&numConverted, argv[iii], wideCharLen + 1,
+                               commandLineArgs[iii], wideCharLen + 1);
                 }
             }
         }
-    }
-    else
-    {
+    } else {
         argv = NULL;
     }
 
     demo_init(&demo, argc, argv);
 
     // Free up the items we had to allocate for the command line arguments.
-    if (argc > 0 && argv != NULL)
-    {
-        for (int iii = 0; iii < argc; iii++)
-        {
-            if (argv[iii] != NULL)
-            {
+    if (argc > 0 && argv != NULL) {
+        for (int iii = 0; iii < argc; iii++) {
+            if (argv[iii] != NULL) {
                 free(argv[iii]);
             }
         }
@@ -2743,20 +2729,17 @@
 
     demo_prepare(&demo);
 
-    done = false; //initialize loop condition variable
+    done = false; // initialize loop condition variable
 
     // main message loop
-    while(!done)
-    {
+    while (!done) {
         PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
-        if (msg.message == WM_QUIT) //check for a quit message
+        if (msg.message == WM_QUIT) // check for a quit message
         {
-            done = true; //if found, quit app
-        }
-        else
-        {
+            done = true; // if found, quit app
+        } else {
             /* Translate and dispatch to event queue*/
-            TranslateMessage(&msg); 
+            TranslateMessage(&msg);
             DispatchMessage(&msg);
         }
         RedrawWindow(demo.window, NULL, NULL, RDW_INTERNALPAINT);
@@ -2764,11 +2747,10 @@
 
     demo_cleanup(&demo);
 
-    return (int) msg.wParam;
+    return (int)msg.wParam;
 }
 #else  // _WIN32
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
     struct demo demo;
 
     demo_init(&demo, argc, argv);
diff --git a/demos/cube.frag b/demos/cube.frag
index c0c2905..226e4fe 100644
--- a/demos/cube.frag
+++ b/demos/cube.frag
@@ -1,4 +1,32 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
+ *
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+/*
  * Fragment shader for cube demo
  */
 #version 400
diff --git a/demos/cube.vert b/demos/cube.vert
index 87729e5..7f47e8c 100644
--- a/demos/cube.vert
+++ b/demos/cube.vert
@@ -1,4 +1,32 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
+ *
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+/*
  * Vertex shader used by Cube demo.
  */
 #version 400
diff --git a/demos/linmath.h b/demos/linmath.h
index 5de34e9..b60da85 100644
--- a/demos/linmath.h
+++ b/demos/linmath.h
@@ -11,7 +11,7 @@
             DO WHAT THE **** YOU WANT TO PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+  0. You just DO WHAT THE **** YOU WANT TO.
 */
 
 #ifndef LINMATH_H
@@ -26,572 +26,520 @@
 #define radiansToDegrees(angleRadians) (angleRadians * 180.0 / M_PI)
 
 typedef float vec3[3];
-static inline void vec3_add(vec3 r, vec3 const a, vec3 const b)
-{
-        int i;
-        for(i=0; i<3; ++i)
-                r[i] = a[i] + b[i];
+static inline void vec3_add(vec3 r, vec3 const a, vec3 const b) {
+    int i;
+    for (i = 0; i < 3; ++i)
+        r[i] = a[i] + b[i];
 }
-static inline void vec3_sub(vec3 r, vec3 const a, vec3 const b)
-{
-        int i;
-        for(i=0; i<3; ++i)
-                r[i] = a[i] - b[i];
+static inline void vec3_sub(vec3 r, vec3 const a, vec3 const b) {
+    int i;
+    for (i = 0; i < 3; ++i)
+        r[i] = a[i] - b[i];
 }
-static inline void vec3_scale(vec3 r, vec3 const v, float const s)
-{
-        int i;
-        for(i=0; i<3; ++i)
-                r[i] = v[i] * s;
+static inline void vec3_scale(vec3 r, vec3 const v, float const s) {
+    int i;
+    for (i = 0; i < 3; ++i)
+        r[i] = v[i] * s;
 }
-static inline float vec3_mul_inner(vec3 const a, vec3 const b)
-{
-        float p = 0.f;
-        int i;
-        for(i=0; i<3; ++i)
-                p += b[i]*a[i];
-        return p;
+static inline float vec3_mul_inner(vec3 const a, vec3 const b) {
+    float p = 0.f;
+    int i;
+    for (i = 0; i < 3; ++i)
+        p += b[i] * a[i];
+    return p;
 }
-static inline void vec3_mul_cross(vec3 r, vec3 const a, vec3 const b)
-{
-        r[0] = a[1]*b[2] - a[2]*b[1];
-        r[1] = a[2]*b[0] - a[0]*b[2];
-        r[2] = a[0]*b[1] - a[1]*b[0];
+static inline void vec3_mul_cross(vec3 r, vec3 const a, vec3 const b) {
+    r[0] = a[1] * b[2] - a[2] * b[1];
+    r[1] = a[2] * b[0] - a[0] * b[2];
+    r[2] = a[0] * b[1] - a[1] * b[0];
 }
-static inline float vec3_len(vec3 const v)
-{
-        return sqrtf(vec3_mul_inner(v, v));
+static inline float vec3_len(vec3 const v) {
+    return sqrtf(vec3_mul_inner(v, v));
 }
-static inline void vec3_norm(vec3 r, vec3 const v)
-{
-        float k = 1.f / vec3_len(v);
-        vec3_scale(r, v, k);
+static inline void vec3_norm(vec3 r, vec3 const v) {
+    float k = 1.f / vec3_len(v);
+    vec3_scale(r, v, k);
 }
-static inline void vec3_reflect(vec3 r, vec3 const v, vec3 const n)
-{
-        float p  = 2.f*vec3_mul_inner(v, n);
-        int i;
-        for(i=0;i<3;++i)
-                r[i] = v[i] - p*n[i];
+static inline void vec3_reflect(vec3 r, vec3 const v, vec3 const n) {
+    float p = 2.f * vec3_mul_inner(v, n);
+    int i;
+    for (i = 0; i < 3; ++i)
+        r[i] = v[i] - p * n[i];
 }
 
 typedef float vec4[4];
-static inline void vec4_add(vec4 r, vec4 const a, vec4 const b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = a[i] + b[i];
+static inline void vec4_add(vec4 r, vec4 const a, vec4 const b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = a[i] + b[i];
 }
-static inline void vec4_sub(vec4 r, vec4 const a, vec4 const b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = a[i] - b[i];
+static inline void vec4_sub(vec4 r, vec4 const a, vec4 const b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = a[i] - b[i];
 }
-static inline void vec4_scale(vec4 r, vec4 v, float s)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = v[i] * s;
+static inline void vec4_scale(vec4 r, vec4 v, float s) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = v[i] * s;
 }
-static inline float vec4_mul_inner(vec4 a, vec4 b)
-{
-        float p = 0.f;
-        int i;
-        for(i=0; i<4; ++i)
-                p += b[i]*a[i];
-        return p;
+static inline float vec4_mul_inner(vec4 a, vec4 b) {
+    float p = 0.f;
+    int i;
+    for (i = 0; i < 4; ++i)
+        p += b[i] * a[i];
+    return p;
 }
-static inline void vec4_mul_cross(vec4 r, vec4 a, vec4 b)
-{
-        r[0] = a[1]*b[2] - a[2]*b[1];
-        r[1] = a[2]*b[0] - a[0]*b[2];
-        r[2] = a[0]*b[1] - a[1]*b[0];
-        r[3] = 1.f;
+static inline void vec4_mul_cross(vec4 r, vec4 a, vec4 b) {
+    r[0] = a[1] * b[2] - a[2] * b[1];
+    r[1] = a[2] * b[0] - a[0] * b[2];
+    r[2] = a[0] * b[1] - a[1] * b[0];
+    r[3] = 1.f;
 }
-static inline float vec4_len(vec4 v)
-{
-        return sqrtf(vec4_mul_inner(v, v));
+static inline float vec4_len(vec4 v) { return sqrtf(vec4_mul_inner(v, v)); }
+static inline void vec4_norm(vec4 r, vec4 v) {
+    float k = 1.f / vec4_len(v);
+    vec4_scale(r, v, k);
 }
-static inline void vec4_norm(vec4 r, vec4 v)
-{
-        float k = 1.f / vec4_len(v);
-        vec4_scale(r, v, k);
-}
-static inline void vec4_reflect(vec4 r, vec4 v, vec4 n)
-{
-        float p  = 2.f*vec4_mul_inner(v, n);
-        int i;
-        for(i=0;i<4;++i)
-                r[i] = v[i] - p*n[i];
+static inline void vec4_reflect(vec4 r, vec4 v, vec4 n) {
+    float p = 2.f * vec4_mul_inner(v, n);
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = v[i] - p * n[i];
 }
 
 typedef vec4 mat4x4[4];
-static inline void mat4x4_identity(mat4x4 M)
-{
-        int i, j;
-        for(i=0; i<4; ++i)
-                for(j=0; j<4; ++j)
-                        M[i][j] = i==j ? 1.f : 0.f;
+static inline void mat4x4_identity(mat4x4 M) {
+    int i, j;
+    for (i = 0; i < 4; ++i)
+        for (j = 0; j < 4; ++j)
+            M[i][j] = i == j ? 1.f : 0.f;
 }
-static inline void mat4x4_dup(mat4x4 M, mat4x4 N)
-{
-        int i, j;
-        for(i=0; i<4; ++i)
-                for(j=0; j<4; ++j)
-                        M[i][j] = N[i][j];
+static inline void mat4x4_dup(mat4x4 M, mat4x4 N) {
+    int i, j;
+    for (i = 0; i < 4; ++i)
+        for (j = 0; j < 4; ++j)
+            M[i][j] = N[i][j];
 }
-static inline void mat4x4_row(vec4 r, mat4x4 M, int i)
-{
-        int k;
-        for(k=0; k<4; ++k)
-                r[k] = M[k][i];
+static inline void mat4x4_row(vec4 r, mat4x4 M, int i) {
+    int k;
+    for (k = 0; k < 4; ++k)
+        r[k] = M[k][i];
 }
-static inline void mat4x4_col(vec4 r, mat4x4 M, int i)
-{
-        int k;
-        for(k=0; k<4; ++k)
-                r[k] = M[i][k];
+static inline void mat4x4_col(vec4 r, mat4x4 M, int i) {
+    int k;
+    for (k = 0; k < 4; ++k)
+        r[k] = M[i][k];
 }
-static inline void mat4x4_transpose(mat4x4 M, mat4x4 N)
-{
-        int i, j;
-        for(j=0; j<4; ++j)
-                for(i=0; i<4; ++i)
-                        M[i][j] = N[j][i];
+static inline void mat4x4_transpose(mat4x4 M, mat4x4 N) {
+    int i, j;
+    for (j = 0; j < 4; ++j)
+        for (i = 0; i < 4; ++i)
+            M[i][j] = N[j][i];
 }
-static inline void mat4x4_add(mat4x4 M, mat4x4 a, mat4x4 b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                vec4_add(M[i], a[i], b[i]);
+static inline void mat4x4_add(mat4x4 M, mat4x4 a, mat4x4 b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        vec4_add(M[i], a[i], b[i]);
 }
-static inline void mat4x4_sub(mat4x4 M, mat4x4 a, mat4x4 b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                vec4_sub(M[i], a[i], b[i]);
+static inline void mat4x4_sub(mat4x4 M, mat4x4 a, mat4x4 b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        vec4_sub(M[i], a[i], b[i]);
 }
-static inline void mat4x4_scale(mat4x4 M, mat4x4 a, float k)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                vec4_scale(M[i], a[i], k);
+static inline void mat4x4_scale(mat4x4 M, mat4x4 a, float k) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        vec4_scale(M[i], a[i], k);
 }
-static inline void mat4x4_scale_aniso(mat4x4 M, mat4x4 a, float x, float y, float z)
-{
-        int i;
-        vec4_scale(M[0], a[0], x);
-        vec4_scale(M[1], a[1], y);
-        vec4_scale(M[2], a[2], z);
-        for(i = 0; i < 4; ++i) {
-                M[3][i] = a[3][i];
+static inline void mat4x4_scale_aniso(mat4x4 M, mat4x4 a, float x, float y,
+                                      float z) {
+    int i;
+    vec4_scale(M[0], a[0], x);
+    vec4_scale(M[1], a[1], y);
+    vec4_scale(M[2], a[2], z);
+    for (i = 0; i < 4; ++i) {
+        M[3][i] = a[3][i];
+    }
+}
+static inline void mat4x4_mul(mat4x4 M, mat4x4 a, mat4x4 b) {
+    int k, r, c;
+    for (c = 0; c < 4; ++c)
+        for (r = 0; r < 4; ++r) {
+            M[c][r] = 0.f;
+            for (k = 0; k < 4; ++k)
+                M[c][r] += a[k][r] * b[c][k];
         }
 }
-static inline void mat4x4_mul(mat4x4 M, mat4x4 a, mat4x4 b)
-{
-        int k, r, c;
-        for(c=0; c<4; ++c) for(r=0; r<4; ++r) {
-                M[c][r] = 0.f;
-                for(k=0; k<4; ++k)
-                        M[c][r] += a[k][r] * b[c][k];
-        }
+static inline void mat4x4_mul_vec4(vec4 r, mat4x4 M, vec4 v) {
+    int i, j;
+    for (j = 0; j < 4; ++j) {
+        r[j] = 0.f;
+        for (i = 0; i < 4; ++i)
+            r[j] += M[i][j] * v[i];
+    }
 }
-static inline void mat4x4_mul_vec4(vec4 r, mat4x4 M, vec4 v)
-{
-        int i, j;
-        for(j=0; j<4; ++j) {
-                r[j] = 0.f;
-                for(i=0; i<4; ++i)
-                        r[j] += M[i][j] * v[i];
-        }
+static inline void mat4x4_translate(mat4x4 T, float x, float y, float z) {
+    mat4x4_identity(T);
+    T[3][0] = x;
+    T[3][1] = y;
+    T[3][2] = z;
 }
-static inline void mat4x4_translate(mat4x4 T, float x, float y, float z)
-{
-        mat4x4_identity(T);
-        T[3][0] = x;
-        T[3][1] = y;
-        T[3][2] = z;
+static inline void mat4x4_translate_in_place(mat4x4 M, float x, float y,
+                                             float z) {
+    vec4 t = {x, y, z, 0};
+    vec4 r;
+    int i;
+    for (i = 0; i < 4; ++i) {
+        mat4x4_row(r, M, i);
+        M[3][i] += vec4_mul_inner(r, t);
+    }
 }
-static inline void mat4x4_translate_in_place(mat4x4 M, float x, float y, float z)
-{
-        vec4 t = {x, y, z, 0};
-        vec4 r;
-        int i;
-        for (i = 0; i < 4; ++i) {
-                mat4x4_row(r, M, i);
-                M[3][i] += vec4_mul_inner(r, t);
-        }
+static inline void mat4x4_from_vec3_mul_outer(mat4x4 M, vec3 a, vec3 b) {
+    int i, j;
+    for (i = 0; i < 4; ++i)
+        for (j = 0; j < 4; ++j)
+            M[i][j] = i < 3 && j < 3 ? a[i] * b[j] : 0.f;
 }
-static inline void mat4x4_from_vec3_mul_outer(mat4x4 M, vec3 a, vec3 b)
-{
-        int i, j;
-        for(i=0; i<4; ++i) for(j=0; j<4; ++j)
-                M[i][j] = i<3 && j<3 ? a[i] * b[j] : 0.f;
-}
-static inline void mat4x4_rotate(mat4x4 R, mat4x4 M, float x, float y, float z, float angle)
-{
-        float s = sinf(angle);
-        float c = cosf(angle);
-        vec3 u = {x, y, z};
+static inline void mat4x4_rotate(mat4x4 R, mat4x4 M, float x, float y, float z,
+                                 float angle) {
+    float s = sinf(angle);
+    float c = cosf(angle);
+    vec3 u = {x, y, z};
 
-        if(vec3_len(u) > 1e-4) {
-                vec3_norm(u, u);
-                mat4x4 T;
-                mat4x4_from_vec3_mul_outer(T, u, u);
+    if (vec3_len(u) > 1e-4) {
+        vec3_norm(u, u);
+        mat4x4 T;
+        mat4x4_from_vec3_mul_outer(T, u, u);
 
-                mat4x4 S = {
-                        {    0,  u[2], -u[1], 0},
-                        {-u[2],     0,  u[0], 0},
-                        { u[1], -u[0],     0, 0},
-                        {    0,     0,     0, 0}
-                };
-                mat4x4_scale(S, S, s);
+        mat4x4 S = {{0, u[2], -u[1], 0},
+                    {-u[2], 0, u[0], 0},
+                    {u[1], -u[0], 0, 0},
+                    {0, 0, 0, 0}};
+        mat4x4_scale(S, S, s);
 
-                mat4x4 C;
-                mat4x4_identity(C);
-                mat4x4_sub(C, C, T);
+        mat4x4 C;
+        mat4x4_identity(C);
+        mat4x4_sub(C, C, T);
 
-                mat4x4_scale(C, C, c);
+        mat4x4_scale(C, C, c);
 
-                mat4x4_add(T, T, C);
-                mat4x4_add(T, T, S);
+        mat4x4_add(T, T, C);
+        mat4x4_add(T, T, S);
 
-                T[3][3] = 1.;
-                mat4x4_mul(R, M, T);
-        } else {
-                mat4x4_dup(R, M);
-        }
-}
-static inline void mat4x4_rotate_X(mat4x4 Q, mat4x4 M, float angle)
-{
-        float s = sinf(angle);
-        float c = cosf(angle);
-        mat4x4 R = {
-                {1.f, 0.f, 0.f, 0.f},
-                {0.f,   c,   s, 0.f},
-                {0.f,  -s,   c, 0.f},
-                {0.f, 0.f, 0.f, 1.f}
-        };
-        mat4x4_mul(Q, M, R);
-}
-static inline void mat4x4_rotate_Y(mat4x4 Q, mat4x4 M, float angle)
-{
-        float s = sinf(angle);
-        float c = cosf(angle);
-        mat4x4 R = {
-                {   c, 0.f,   s, 0.f},
-                { 0.f, 1.f, 0.f, 0.f},
-                {  -s, 0.f,   c, 0.f},
-                { 0.f, 0.f, 0.f, 1.f}
-        };
-        mat4x4_mul(Q, M, R);
-}
-static inline void mat4x4_rotate_Z(mat4x4 Q, mat4x4 M, float angle)
-{
-        float s = sinf(angle);
-        float c = cosf(angle);
-        mat4x4 R = {
-                {   c,   s, 0.f, 0.f},
-                {  -s,   c, 0.f, 0.f},
-                { 0.f, 0.f, 1.f, 0.f},
-                { 0.f, 0.f, 0.f, 1.f}
-        };
-        mat4x4_mul(Q, M, R);
-}
-static inline void mat4x4_invert(mat4x4 T, mat4x4 M)
-{
-        float s[6];
-        float c[6];
-        s[0] = M[0][0]*M[1][1] - M[1][0]*M[0][1];
-        s[1] = M[0][0]*M[1][2] - M[1][0]*M[0][2];
-        s[2] = M[0][0]*M[1][3] - M[1][0]*M[0][3];
-        s[3] = M[0][1]*M[1][2] - M[1][1]*M[0][2];
-        s[4] = M[0][1]*M[1][3] - M[1][1]*M[0][3];
-        s[5] = M[0][2]*M[1][3] - M[1][2]*M[0][3];
-
-        c[0] = M[2][0]*M[3][1] - M[3][0]*M[2][1];
-        c[1] = M[2][0]*M[3][2] - M[3][0]*M[2][2];
-        c[2] = M[2][0]*M[3][3] - M[3][0]*M[2][3];
-        c[3] = M[2][1]*M[3][2] - M[3][1]*M[2][2];
-        c[4] = M[2][1]*M[3][3] - M[3][1]*M[2][3];
-        c[5] = M[2][2]*M[3][3] - M[3][2]*M[2][3];
-
-        /* Assumes it is invertible */
-        float idet = 1.0f/( s[0]*c[5]-s[1]*c[4]+s[2]*c[3]+s[3]*c[2]-s[4]*c[1]+s[5]*c[0] );
-
-        T[0][0] = ( M[1][1] * c[5] - M[1][2] * c[4] + M[1][3] * c[3]) * idet;
-        T[0][1] = (-M[0][1] * c[5] + M[0][2] * c[4] - M[0][3] * c[3]) * idet;
-        T[0][2] = ( M[3][1] * s[5] - M[3][2] * s[4] + M[3][3] * s[3]) * idet;
-        T[0][3] = (-M[2][1] * s[5] + M[2][2] * s[4] - M[2][3] * s[3]) * idet;
-
-        T[1][0] = (-M[1][0] * c[5] + M[1][2] * c[2] - M[1][3] * c[1]) * idet;
-        T[1][1] = ( M[0][0] * c[5] - M[0][2] * c[2] + M[0][3] * c[1]) * idet;
-        T[1][2] = (-M[3][0] * s[5] + M[3][2] * s[2] - M[3][3] * s[1]) * idet;
-        T[1][3] = ( M[2][0] * s[5] - M[2][2] * s[2] + M[2][3] * s[1]) * idet;
-
-        T[2][0] = ( M[1][0] * c[4] - M[1][1] * c[2] + M[1][3] * c[0]) * idet;
-        T[2][1] = (-M[0][0] * c[4] + M[0][1] * c[2] - M[0][3] * c[0]) * idet;
-        T[2][2] = ( M[3][0] * s[4] - M[3][1] * s[2] + M[3][3] * s[0]) * idet;
-        T[2][3] = (-M[2][0] * s[4] + M[2][1] * s[2] - M[2][3] * s[0]) * idet;
-
-        T[3][0] = (-M[1][0] * c[3] + M[1][1] * c[1] - M[1][2] * c[0]) * idet;
-        T[3][1] = ( M[0][0] * c[3] - M[0][1] * c[1] + M[0][2] * c[0]) * idet;
-        T[3][2] = (-M[3][0] * s[3] + M[3][1] * s[1] - M[3][2] * s[0]) * idet;
-        T[3][3] = ( M[2][0] * s[3] - M[2][1] * s[1] + M[2][2] * s[0]) * idet;
-}
-static inline void mat4x4_orthonormalize(mat4x4 R, mat4x4 M)
-{
+        T[3][3] = 1.;
+        mat4x4_mul(R, M, T);
+    } else {
         mat4x4_dup(R, M);
-        float s = 1.;
-        vec3 h;
+    }
+}
+static inline void mat4x4_rotate_X(mat4x4 Q, mat4x4 M, float angle) {
+    float s = sinf(angle);
+    float c = cosf(angle);
+    mat4x4 R = {{1.f, 0.f, 0.f, 0.f},
+                {0.f, c, s, 0.f},
+                {0.f, -s, c, 0.f},
+                {0.f, 0.f, 0.f, 1.f}};
+    mat4x4_mul(Q, M, R);
+}
+static inline void mat4x4_rotate_Y(mat4x4 Q, mat4x4 M, float angle) {
+    float s = sinf(angle);
+    float c = cosf(angle);
+    mat4x4 R = {{c, 0.f, s, 0.f},
+                {0.f, 1.f, 0.f, 0.f},
+                {-s, 0.f, c, 0.f},
+                {0.f, 0.f, 0.f, 1.f}};
+    mat4x4_mul(Q, M, R);
+}
+static inline void mat4x4_rotate_Z(mat4x4 Q, mat4x4 M, float angle) {
+    float s = sinf(angle);
+    float c = cosf(angle);
+    mat4x4 R = {{c, s, 0.f, 0.f},
+                {-s, c, 0.f, 0.f},
+                {0.f, 0.f, 1.f, 0.f},
+                {0.f, 0.f, 0.f, 1.f}};
+    mat4x4_mul(Q, M, R);
+}
+static inline void mat4x4_invert(mat4x4 T, mat4x4 M) {
+    float s[6];
+    float c[6];
+    s[0] = M[0][0] * M[1][1] - M[1][0] * M[0][1];
+    s[1] = M[0][0] * M[1][2] - M[1][0] * M[0][2];
+    s[2] = M[0][0] * M[1][3] - M[1][0] * M[0][3];
+    s[3] = M[0][1] * M[1][2] - M[1][1] * M[0][2];
+    s[4] = M[0][1] * M[1][3] - M[1][1] * M[0][3];
+    s[5] = M[0][2] * M[1][3] - M[1][2] * M[0][3];
 
-        vec3_norm(R[2], R[2]);
+    c[0] = M[2][0] * M[3][1] - M[3][0] * M[2][1];
+    c[1] = M[2][0] * M[3][2] - M[3][0] * M[2][2];
+    c[2] = M[2][0] * M[3][3] - M[3][0] * M[2][3];
+    c[3] = M[2][1] * M[3][2] - M[3][1] * M[2][2];
+    c[4] = M[2][1] * M[3][3] - M[3][1] * M[2][3];
+    c[5] = M[2][2] * M[3][3] - M[3][2] * M[2][3];
 
-        s = vec3_mul_inner(R[1], R[2]);
-        vec3_scale(h, R[2], s);
-        vec3_sub(R[1], R[1], h);
-        vec3_norm(R[2], R[2]);
+    /* Assumes it is invertible */
+    float idet = 1.0f / (s[0] * c[5] - s[1] * c[4] + s[2] * c[3] + s[3] * c[2] -
+                         s[4] * c[1] + s[5] * c[0]);
 
-        s = vec3_mul_inner(R[1], R[2]);
-        vec3_scale(h, R[2], s);
-        vec3_sub(R[1], R[1], h);
-        vec3_norm(R[1], R[1]);
+    T[0][0] = (M[1][1] * c[5] - M[1][2] * c[4] + M[1][3] * c[3]) * idet;
+    T[0][1] = (-M[0][1] * c[5] + M[0][2] * c[4] - M[0][3] * c[3]) * idet;
+    T[0][2] = (M[3][1] * s[5] - M[3][2] * s[4] + M[3][3] * s[3]) * idet;
+    T[0][3] = (-M[2][1] * s[5] + M[2][2] * s[4] - M[2][3] * s[3]) * idet;
 
-        s = vec3_mul_inner(R[0], R[1]);
-        vec3_scale(h, R[1], s);
-        vec3_sub(R[0], R[0], h);
-        vec3_norm(R[0], R[0]);
+    T[1][0] = (-M[1][0] * c[5] + M[1][2] * c[2] - M[1][3] * c[1]) * idet;
+    T[1][1] = (M[0][0] * c[5] - M[0][2] * c[2] + M[0][3] * c[1]) * idet;
+    T[1][2] = (-M[3][0] * s[5] + M[3][2] * s[2] - M[3][3] * s[1]) * idet;
+    T[1][3] = (M[2][0] * s[5] - M[2][2] * s[2] + M[2][3] * s[1]) * idet;
+
+    T[2][0] = (M[1][0] * c[4] - M[1][1] * c[2] + M[1][3] * c[0]) * idet;
+    T[2][1] = (-M[0][0] * c[4] + M[0][1] * c[2] - M[0][3] * c[0]) * idet;
+    T[2][2] = (M[3][0] * s[4] - M[3][1] * s[2] + M[3][3] * s[0]) * idet;
+    T[2][3] = (-M[2][0] * s[4] + M[2][1] * s[2] - M[2][3] * s[0]) * idet;
+
+    T[3][0] = (-M[1][0] * c[3] + M[1][1] * c[1] - M[1][2] * c[0]) * idet;
+    T[3][1] = (M[0][0] * c[3] - M[0][1] * c[1] + M[0][2] * c[0]) * idet;
+    T[3][2] = (-M[3][0] * s[3] + M[3][1] * s[1] - M[3][2] * s[0]) * idet;
+    T[3][3] = (M[2][0] * s[3] - M[2][1] * s[1] + M[2][2] * s[0]) * idet;
+}
+static inline void mat4x4_orthonormalize(mat4x4 R, mat4x4 M) {
+    mat4x4_dup(R, M);
+    float s = 1.;
+    vec3 h;
+
+    vec3_norm(R[2], R[2]);
+
+    s = vec3_mul_inner(R[1], R[2]);
+    vec3_scale(h, R[2], s);
+    vec3_sub(R[1], R[1], h);
+    vec3_norm(R[2], R[2]);
+
+    s = vec3_mul_inner(R[1], R[2]);
+    vec3_scale(h, R[2], s);
+    vec3_sub(R[1], R[1], h);
+    vec3_norm(R[1], R[1]);
+
+    s = vec3_mul_inner(R[0], R[1]);
+    vec3_scale(h, R[1], s);
+    vec3_sub(R[0], R[0], h);
+    vec3_norm(R[0], R[0]);
 }
 
-static inline void mat4x4_frustum(mat4x4 M, float l, float r, float b, float t, float n, float f)
-{
-        M[0][0] = 2.f*n/(r-l);
-        M[0][1] = M[0][2] = M[0][3] = 0.f;
+static inline void mat4x4_frustum(mat4x4 M, float l, float r, float b, float t,
+                                  float n, float f) {
+    M[0][0] = 2.f * n / (r - l);
+    M[0][1] = M[0][2] = M[0][3] = 0.f;
 
-        M[1][1] = 2.f*n/(t-b);
-        M[1][0] = M[1][2] = M[1][3] = 0.f;
+    M[1][1] = 2.f * n / (t - b);
+    M[1][0] = M[1][2] = M[1][3] = 0.f;
 
-        M[2][0] = (r+l)/(r-l);
-        M[2][1] = (t+b)/(t-b);
-        M[2][2] = -(f+n)/(f-n);
-        M[2][3] = -1.f;
+    M[2][0] = (r + l) / (r - l);
+    M[2][1] = (t + b) / (t - b);
+    M[2][2] = -(f + n) / (f - n);
+    M[2][3] = -1.f;
 
-        M[3][2] = -2.f*(f*n)/(f-n);
-        M[3][0] = M[3][1] = M[3][3] = 0.f;
+    M[3][2] = -2.f * (f * n) / (f - n);
+    M[3][0] = M[3][1] = M[3][3] = 0.f;
 }
-static inline void mat4x4_ortho(mat4x4 M, float l, float r, float b, float t, float n, float f)
-{
-        M[0][0] = 2.f/(r-l);
-        M[0][1] = M[0][2] = M[0][3] = 0.f;
+static inline void mat4x4_ortho(mat4x4 M, float l, float r, float b, float t,
+                                float n, float f) {
+    M[0][0] = 2.f / (r - l);
+    M[0][1] = M[0][2] = M[0][3] = 0.f;
 
-        M[1][1] = 2.f/(t-b);
-        M[1][0] = M[1][2] = M[1][3] = 0.f;
+    M[1][1] = 2.f / (t - b);
+    M[1][0] = M[1][2] = M[1][3] = 0.f;
 
-        M[2][2] = -2.f/(f-n);
-        M[2][0] = M[2][1] = M[2][3] = 0.f;
+    M[2][2] = -2.f / (f - n);
+    M[2][0] = M[2][1] = M[2][3] = 0.f;
 
-        M[3][0] = -(r+l)/(r-l);
-        M[3][1] = -(t+b)/(t-b);
-        M[3][2] = -(f+n)/(f-n);
-        M[3][3] = 1.f;
+    M[3][0] = -(r + l) / (r - l);
+    M[3][1] = -(t + b) / (t - b);
+    M[3][2] = -(f + n) / (f - n);
+    M[3][3] = 1.f;
 }
-static inline void mat4x4_perspective(mat4x4 m, float y_fov, float aspect, float n, float f)
-{
-        /* NOTE: Degrees are an unhandy unit to work with.
-         * linmath.h uses radians for everything! */
-        float const a = (float)(1.f / tan(y_fov / 2.f));
+static inline void mat4x4_perspective(mat4x4 m, float y_fov, float aspect,
+                                      float n, float f) {
+    /* NOTE: Degrees are an unhandy unit to work with.
+     * linmath.h uses radians for everything! */
+    float const a = (float)(1.f / tan(y_fov / 2.f));
 
-        m[0][0] = a / aspect;
-        m[0][1] = 0.f;
-        m[0][2] = 0.f;
-        m[0][3] = 0.f;
+    m[0][0] = a / aspect;
+    m[0][1] = 0.f;
+    m[0][2] = 0.f;
+    m[0][3] = 0.f;
 
-        m[1][0] = 0.f;
-        m[1][1] = a;
-        m[1][2] = 0.f;
-        m[1][3] = 0.f;
+    m[1][0] = 0.f;
+    m[1][1] = a;
+    m[1][2] = 0.f;
+    m[1][3] = 0.f;
 
-        m[2][0] = 0.f;
-        m[2][1] = 0.f;
-        m[2][2] = -((f + n) / (f - n));
-        m[2][3] = -1.f;
+    m[2][0] = 0.f;
+    m[2][1] = 0.f;
+    m[2][2] = -((f + n) / (f - n));
+    m[2][3] = -1.f;
 
-        m[3][0] = 0.f;
-        m[3][1] = 0.f;
-        m[3][2] = -((2.f * f * n) / (f - n));
-        m[3][3] = 0.f;
+    m[3][0] = 0.f;
+    m[3][1] = 0.f;
+    m[3][2] = -((2.f * f * n) / (f - n));
+    m[3][3] = 0.f;
 }
-static inline void mat4x4_look_at(mat4x4 m, vec3 eye, vec3 center, vec3 up)
-{
-        /* Adapted from Android's OpenGL Matrix.java.                        */
-        /* See the OpenGL GLUT documentation for gluLookAt for a description */
-        /* of the algorithm. We implement it in a straightforward way:       */
+static inline void mat4x4_look_at(mat4x4 m, vec3 eye, vec3 center, vec3 up) {
+    /* Adapted from Android's OpenGL Matrix.java.                        */
+    /* See the OpenGL GLUT documentation for gluLookAt for a description */
+    /* of the algorithm. We implement it in a straightforward way:       */
 
-        /* TODO: The negation of of can be spared by swapping the order of
-         *       operands in the following cross products in the right way. */
-        vec3 f;
-        vec3_sub(f, center, eye);
-        vec3_norm(f, f);
+    /* TODO: The negation of of can be spared by swapping the order of
+     *       operands in the following cross products in the right way. */
+    vec3 f;
+    vec3_sub(f, center, eye);
+    vec3_norm(f, f);
 
-        vec3 s;
-        vec3_mul_cross(s, f, up);
-        vec3_norm(s, s);
+    vec3 s;
+    vec3_mul_cross(s, f, up);
+    vec3_norm(s, s);
 
-        vec3 t;
-        vec3_mul_cross(t, s, f);
+    vec3 t;
+    vec3_mul_cross(t, s, f);
 
-        m[0][0] =  s[0];
-        m[0][1] =  t[0];
-        m[0][2] = -f[0];
-        m[0][3] =   0.f;
+    m[0][0] = s[0];
+    m[0][1] = t[0];
+    m[0][2] = -f[0];
+    m[0][3] = 0.f;
 
-        m[1][0] =  s[1];
-        m[1][1] =  t[1];
-        m[1][2] = -f[1];
-        m[1][3] =   0.f;
+    m[1][0] = s[1];
+    m[1][1] = t[1];
+    m[1][2] = -f[1];
+    m[1][3] = 0.f;
 
-        m[2][0] =  s[2];
-        m[2][1] =  t[2];
-        m[2][2] = -f[2];
-        m[2][3] =   0.f;
+    m[2][0] = s[2];
+    m[2][1] = t[2];
+    m[2][2] = -f[2];
+    m[2][3] = 0.f;
 
-        m[3][0] =  0.f;
-        m[3][1] =  0.f;
-        m[3][2] =  0.f;
-        m[3][3] =  1.f;
+    m[3][0] = 0.f;
+    m[3][1] = 0.f;
+    m[3][2] = 0.f;
+    m[3][3] = 1.f;
 
-        mat4x4_translate_in_place(m, -eye[0], -eye[1], -eye[2]);
+    mat4x4_translate_in_place(m, -eye[0], -eye[1], -eye[2]);
 }
 
 typedef float quat[4];
-static inline void quat_identity(quat q)
-{
-        q[0] = q[1] = q[2] = 0.f;
-        q[3] = 1.f;
+static inline void quat_identity(quat q) {
+    q[0] = q[1] = q[2] = 0.f;
+    q[3] = 1.f;
 }
-static inline void quat_add(quat r, quat a, quat b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = a[i] + b[i];
+static inline void quat_add(quat r, quat a, quat b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = a[i] + b[i];
 }
-static inline void quat_sub(quat r, quat a, quat b)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = a[i] - b[i];
+static inline void quat_sub(quat r, quat a, quat b) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = a[i] - b[i];
 }
-static inline void quat_mul(quat r, quat p, quat q)
-{
-        vec3 w;
-        vec3_mul_cross(r, p, q);
-        vec3_scale(w, p, q[3]);
-        vec3_add(r, r, w);
-        vec3_scale(w, q, p[3]);
-        vec3_add(r, r, w);
-        r[3] = p[3]*q[3] - vec3_mul_inner(p, q);
+static inline void quat_mul(quat r, quat p, quat q) {
+    vec3 w;
+    vec3_mul_cross(r, p, q);
+    vec3_scale(w, p, q[3]);
+    vec3_add(r, r, w);
+    vec3_scale(w, q, p[3]);
+    vec3_add(r, r, w);
+    r[3] = p[3] * q[3] - vec3_mul_inner(p, q);
 }
-static inline void quat_scale(quat r, quat v, float s)
-{
-        int i;
-        for(i=0; i<4; ++i)
-                r[i] = v[i] * s;
+static inline void quat_scale(quat r, quat v, float s) {
+    int i;
+    for (i = 0; i < 4; ++i)
+        r[i] = v[i] * s;
 }
-static inline float quat_inner_product(quat a, quat b)
-{
-        float p = 0.f;
-        int i;
-        for(i=0; i<4; ++i)
-                p += b[i]*a[i];
-        return p;
+static inline float quat_inner_product(quat a, quat b) {
+    float p = 0.f;
+    int i;
+    for (i = 0; i < 4; ++i)
+        p += b[i] * a[i];
+    return p;
 }
-static inline void quat_conj(quat r, quat q)
-{
-        int i;
-        for(i=0; i<3; ++i)
-                r[i] = -q[i];
-        r[3] = q[3];
+static inline void quat_conj(quat r, quat q) {
+    int i;
+    for (i = 0; i < 3; ++i)
+        r[i] = -q[i];
+    r[3] = q[3];
 }
 #define quat_norm vec4_norm
-static inline void quat_mul_vec3(vec3 r, quat q, vec3 v)
-{
-        quat v_ = {v[0], v[1], v[2], 0.f};
+static inline void quat_mul_vec3(vec3 r, quat q, vec3 v) {
+    quat v_ = {v[0], v[1], v[2], 0.f};
 
-        quat_conj(r, q);
-        quat_norm(r, r);
-        quat_mul(r, v_, r);
-        quat_mul(r, q, r);
+    quat_conj(r, q);
+    quat_norm(r, r);
+    quat_mul(r, v_, r);
+    quat_mul(r, q, r);
 }
-static inline void mat4x4_from_quat(mat4x4 M, quat q)
-{
-        float a = q[3];
-        float b = q[0];
-        float c = q[1];
-        float d = q[2];
-        float a2 = a*a;
-        float b2 = b*b;
-        float c2 = c*c;
-        float d2 = d*d;
+static inline void mat4x4_from_quat(mat4x4 M, quat q) {
+    float a = q[3];
+    float b = q[0];
+    float c = q[1];
+    float d = q[2];
+    float a2 = a * a;
+    float b2 = b * b;
+    float c2 = c * c;
+    float d2 = d * d;
 
-        M[0][0] = a2 + b2 - c2 - d2;
-        M[0][1] = 2.f*(b*c + a*d);
-        M[0][2] = 2.f*(b*d - a*c);
-        M[0][3] = 0.f;
+    M[0][0] = a2 + b2 - c2 - d2;
+    M[0][1] = 2.f * (b * c + a * d);
+    M[0][2] = 2.f * (b * d - a * c);
+    M[0][3] = 0.f;
 
-        M[1][0] = 2*(b*c - a*d);
-        M[1][1] = a2 - b2 + c2 - d2;
-        M[1][2] = 2.f*(c*d + a*b);
-        M[1][3] = 0.f;
+    M[1][0] = 2 * (b * c - a * d);
+    M[1][1] = a2 - b2 + c2 - d2;
+    M[1][2] = 2.f * (c * d + a * b);
+    M[1][3] = 0.f;
 
-        M[2][0] = 2.f*(b*d + a*c);
-        M[2][1] = 2.f*(c*d - a*b);
-        M[2][2] = a2 - b2 - c2 + d2;
-        M[2][3] = 0.f;
+    M[2][0] = 2.f * (b * d + a * c);
+    M[2][1] = 2.f * (c * d - a * b);
+    M[2][2] = a2 - b2 - c2 + d2;
+    M[2][3] = 0.f;
 
-        M[3][0] = M[3][1] = M[3][2] = 0.f;
-        M[3][3] = 1.f;
+    M[3][0] = M[3][1] = M[3][2] = 0.f;
+    M[3][3] = 1.f;
 }
 
-static inline void mat4x4o_mul_quat(mat4x4 R, mat4x4 M, quat q)
-{
-/*  XXX: The way this is written only works for othogonal matrices. */
-/* TODO: Take care of non-orthogonal case. */
-        quat_mul_vec3(R[0], q, M[0]);
-        quat_mul_vec3(R[1], q, M[1]);
-        quat_mul_vec3(R[2], q, M[2]);
+static inline void mat4x4o_mul_quat(mat4x4 R, mat4x4 M, quat q) {
+    /*  XXX: The way this is written only works for othogonal matrices. */
+    /* TODO: Take care of non-orthogonal case. */
+    quat_mul_vec3(R[0], q, M[0]);
+    quat_mul_vec3(R[1], q, M[1]);
+    quat_mul_vec3(R[2], q, M[2]);
 
-        R[3][0] = R[3][1] = R[3][2] = 0.f;
-        R[3][3] = 1.f;
+    R[3][0] = R[3][1] = R[3][2] = 0.f;
+    R[3][3] = 1.f;
 }
-static inline void quat_from_mat4x4(quat q, mat4x4 M)
-{
-        float r=0.f;
-        int i;
+static inline void quat_from_mat4x4(quat q, mat4x4 M) {
+    float r = 0.f;
+    int i;
 
-        int perm[] = { 0, 1, 2, 0, 1 };
-        int *p = perm;
+    int perm[] = {0, 1, 2, 0, 1};
+    int *p = perm;
 
-        for(i = 0; i<3; i++) {
-                float m = M[i][i];
-                if( m < r )
-                        continue;
-                m = r;
-                p = &perm[i];
-        }
+    for (i = 0; i < 3; i++) {
+        float m = M[i][i];
+        if (m < r)
+            continue;
+        m = r;
+        p = &perm[i];
+    }
 
-        r = sqrtf(1.f + M[p[0]][p[0]] - M[p[1]][p[1]] - M[p[2]][p[2]] );
+    r = sqrtf(1.f + M[p[0]][p[0]] - M[p[1]][p[1]] - M[p[2]][p[2]]);
 
-        if(r < 1e-6) {
-                q[0] = 1.f;
-                q[1] = q[2] = q[3] = 0.f;
-                return;
-        }
+    if (r < 1e-6) {
+        q[0] = 1.f;
+        q[1] = q[2] = q[3] = 0.f;
+        return;
+    }
 
-        q[0] = r/2.f;
-        q[1] = (M[p[0]][p[1]] - M[p[1]][p[0]])/(2.f*r);
-        q[2] = (M[p[2]][p[0]] - M[p[0]][p[2]])/(2.f*r);
-        q[3] = (M[p[2]][p[1]] - M[p[1]][p[2]])/(2.f*r);
+    q[0] = r / 2.f;
+    q[1] = (M[p[0]][p[1]] - M[p[1]][p[0]]) / (2.f * r);
+    q[2] = (M[p[2]][p[0]] - M[p[0]][p[2]]) / (2.f * r);
+    q[3] = (M[p[2]][p[1]] - M[p[1]][p[2]]) / (2.f * r);
 }
 
 #endif
diff --git a/demos/tri.c b/demos/tri.c
index ec8e6e0..990a470 100644
--- a/demos/tri.c
+++ b/demos/tri.c
@@ -1,24 +1,30 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
  *
- * Copyright (C) 2015 Valve Corporation
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
  *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
  *
  * Author: Chia-I Wu <olvaffe@gmail.com>
  * Author: Cody Northrop <cody@lunarg.com>
@@ -65,38 +71,40 @@
 #endif
 
 #ifdef _WIN32
-#define ERR_EXIT(err_msg, err_class)                    \
-    do {                                                \
-        MessageBox(NULL, err_msg, err_class, MB_OK);    \
-        exit(1);                                        \
-   } while (0)
-#else  // _WIN32
+#define ERR_EXIT(err_msg, err_class)                                           \
+    do {                                                                       \
+        MessageBox(NULL, err_msg, err_class, MB_OK);                           \
+        exit(1);                                                               \
+    } while (0)
+#else // _WIN32
 
-#define ERR_EXIT(err_msg, err_class)                    \
-    do {                                                \
-        printf(err_msg);                                \
-        fflush(stdout);                                 \
-        exit(1);                                        \
-   } while (0)
+#define ERR_EXIT(err_msg, err_class)                                           \
+    do {                                                                       \
+        printf(err_msg);                                                       \
+        fflush(stdout);                                                        \
+        exit(1);                                                               \
+    } while (0)
 #endif // _WIN32
 
-#define GET_INSTANCE_PROC_ADDR(inst, entrypoint)                        \
-{                                                                       \
-    demo->fp##entrypoint = (PFN_vk##entrypoint) vkGetInstanceProcAddr(inst, "vk"#entrypoint); \
-    if (demo->fp##entrypoint == NULL) {                                 \
-        ERR_EXIT("vkGetInstanceProcAddr failed to find vk"#entrypoint,  \
-                 "vkGetInstanceProcAddr Failure");                      \
-    }                                                                   \
-}
+#define GET_INSTANCE_PROC_ADDR(inst, entrypoint)                               \
+    {                                                                          \
+        demo->fp##entrypoint =                                                 \
+            (PFN_vk##entrypoint)vkGetInstanceProcAddr(inst, "vk" #entrypoint); \
+        if (demo->fp##entrypoint == NULL) {                                    \
+            ERR_EXIT("vkGetInstanceProcAddr failed to find vk" #entrypoint,    \
+                     "vkGetInstanceProcAddr Failure");                         \
+        }                                                                      \
+    }
 
-#define GET_DEVICE_PROC_ADDR(dev, entrypoint)                           \
-{                                                                       \
-    demo->fp##entrypoint = (PFN_vk##entrypoint) vkGetDeviceProcAddr(dev, "vk"#entrypoint);   \
-    if (demo->fp##entrypoint == NULL) {                                 \
-        ERR_EXIT("vkGetDeviceProcAddr failed to find vk"#entrypoint,    \
-                 "vkGetDeviceProcAddr Failure");                        \
-    }                                                                   \
-}
+#define GET_DEVICE_PROC_ADDR(dev, entrypoint)                                  \
+    {                                                                          \
+        demo->fp##entrypoint =                                                 \
+            (PFN_vk##entrypoint)vkGetDeviceProcAddr(dev, "vk" #entrypoint);    \
+        if (demo->fp##entrypoint == NULL) {                                    \
+            ERR_EXIT("vkGetDeviceProcAddr failed to find vk" #entrypoint,      \
+                     "vkGetDeviceProcAddr Failure");                           \
+        }                                                                      \
+    }
 
 struct texture_object {
     VkSampler sampler;
@@ -109,24 +117,20 @@
     int32_t tex_width, tex_height;
 };
 
-VKAPI_ATTR VkBool32 VKAPI_CALL dbgFunc(
-    VkFlags                             msgFlags,
-    VkDebugReportObjectTypeEXT          objType,
-    uint64_t                            srcObject,
-    size_t                              location,
-    int32_t                             msgCode,
-    const char*                         pLayerPrefix,
-    const char*                         pMsg,
-    void*                               pUserData)
-{
-    char *message = (char *) malloc(strlen(pMsg)+100);
+VKAPI_ATTR VkBool32 VKAPI_CALL
+dbgFunc(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
+        uint64_t srcObject, size_t location, int32_t msgCode,
+        const char *pLayerPrefix, const char *pMsg, void *pUserData) {
+    char *message = (char *)malloc(strlen(pMsg) + 100);
 
-    assert (message);
+    assert(message);
 
     if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
-        sprintf(message,"ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else if (msgFlags & VK_DEBUG_REPORT_WARN_BIT_EXT) {
-        sprintf(message,"WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else {
         return false;
     }
@@ -134,7 +138,7 @@
 #ifdef _WIN32
     MessageBox(NULL, message, "Alert", MB_OK);
 #else
-    printf("%s\n",message);
+    printf("%s\n", message);
     fflush(stdout);
 #endif
     free(message);
@@ -160,13 +164,13 @@
 #define APP_NAME_STR_LEN 80
     HINSTANCE connection;        // hInstance - Windows Instance
     char name[APP_NAME_STR_LEN]; // Name to put on the window/icon
-    HWND        window;          // hWnd - window handle
-#else  // _WIN32
+    HWND window;                 // hWnd - window handle
+#else                            // _WIN32
     xcb_connection_t *connection;
     xcb_screen_t *screen;
     xcb_window_t window;
     xcb_intern_atom_reply_t *atom_wm_delete_window;
-#endif // _WIN32
+#endif                           // _WIN32
     VkSurfaceKHR surface;
     bool prepared;
     bool use_staging_buffer;
@@ -186,15 +190,18 @@
     char *extension_names[64];
     char *device_validation_layers[64];
 
-
     int width, height;
     VkFormat format;
     VkColorSpaceKHR color_space;
 
-    PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR;
-    PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
-    PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR;
-    PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR;
+    PFN_vkGetPhysicalDeviceSurfaceSupportKHR
+        fpGetPhysicalDeviceSurfaceSupportKHR;
+    PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR
+        fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
+    PFN_vkGetPhysicalDeviceSurfaceFormatsKHR
+        fpGetPhysicalDeviceSurfaceFormatsKHR;
+    PFN_vkGetPhysicalDeviceSurfacePresentModesKHR
+        fpGetPhysicalDeviceSurfacePresentModesKHR;
     PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
     PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
     PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
@@ -225,7 +232,7 @@
         VkVertexInputAttributeDescription vi_attrs[2];
     } vertices;
 
-    VkCommandBuffer setup_cmd;  // Command Buffer for initialization commands
+    VkCommandBuffer setup_cmd; // Command Buffer for initialization commands
     VkCommandBuffer draw_cmd;  // Command Buffer for drawing commands
     VkPipelineLayout pipeline_layout;
     VkDescriptorSetLayout desc_layout;
@@ -259,25 +266,26 @@
 // Forward declaration:
 static void demo_resize(struct demo *demo);
 
-static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits, VkFlags requirements_mask, uint32_t *typeIndex)
-{
-     // Search memtypes to find first index with those properties
-     for (uint32_t i = 0; i < 32; i++) {
-         if ((typeBits & 1) == 1) {
-             // Type is available, does it match user properties?
-             if ((demo->memory_properties.memoryTypes[i].propertyFlags & requirements_mask) == requirements_mask) {
-                 *typeIndex = i;
-                 return true;
-             }
-         }
-         typeBits >>= 1;
-     }
-     // No memory types matched, return failure
-     return false;
+static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits,
+                                        VkFlags requirements_mask,
+                                        uint32_t *typeIndex) {
+    // Search memtypes to find first index with those properties
+    for (uint32_t i = 0; i < 32; i++) {
+        if ((typeBits & 1) == 1) {
+            // Type is available, does it match user properties?
+            if ((demo->memory_properties.memoryTypes[i].propertyFlags &
+                 requirements_mask) == requirements_mask) {
+                *typeIndex = i;
+                return true;
+            }
+        }
+        typeBits >>= 1;
+    }
+    // No memory types matched, return failure
+    return false;
 }
 
-static void demo_flush_init_cmd(struct demo *demo)
-{
+static void demo_flush_init_cmd(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
 
     if (demo->setup_cmd == VK_NULL_HANDLE)
@@ -286,19 +294,17 @@
     err = vkEndCommandBuffer(demo->setup_cmd);
     assert(!err);
 
-    const VkCommandBuffer cmd_bufs[] = { demo->setup_cmd };
+    const VkCommandBuffer cmd_bufs[] = {demo->setup_cmd};
     VkFence nullFence = {VK_NULL_HANDLE};
-    VkSubmitInfo submit_info = {
-        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
-        .pNext = NULL,
-        .waitSemaphoreCount = 0,
-        .pWaitSemaphores = NULL,
-        .pWaitDstStageMask = NULL,
-        .commandBufferCount = 1,
-        .pCommandBuffers = cmd_bufs,
-        .signalSemaphoreCount = 0,
-        .pSignalSemaphores = NULL
-    };
+    VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
+                                .pNext = NULL,
+                                .waitSemaphoreCount = 0,
+                                .pWaitSemaphores = NULL,
+                                .pWaitDstStageMask = NULL,
+                                .commandBufferCount = 1,
+                                .pCommandBuffers = cmd_bufs,
+                                .signalSemaphoreCount = 0,
+                                .pSignalSemaphores = NULL};
 
     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
     assert(!err);
@@ -310,13 +316,10 @@
     demo->setup_cmd = VK_NULL_HANDLE;
 }
 
-static void demo_set_image_layout(
-        struct demo *demo,
-        VkImage image,
-        VkImageAspectFlags aspectMask,
-        VkImageLayout old_image_layout,
-        VkImageLayout new_image_layout)
-{
+static void demo_set_image_layout(struct demo *demo, VkImage image,
+                                  VkImageAspectFlags aspectMask,
+                                  VkImageLayout old_image_layout,
+                                  VkImageLayout new_image_layout) {
     VkResult U_ASSERT_ONLY err;
 
     if (demo->setup_cmd == VK_NULL_HANDLE) {
@@ -359,8 +362,7 @@
         .oldLayout = old_image_layout,
         .newLayout = new_image_layout,
         .image = image,
-        .subresourceRange = { aspectMask, 0, 1, 0, 1 }
-    };
+        .subresourceRange = {aspectMask, 0, 1, 0, 1}};
 
     if (new_image_layout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
         /* Make sure anything that was copying from this image has completed */
@@ -368,16 +370,19 @@
     }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
-         image_memory_barrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
-     }
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
+    }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
-        image_memory_barrier.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
     }
 
     if (new_image_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
         /* Make sure any Copy or CPU writes to image are flushed */
-        image_memory_barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
+        image_memory_barrier.dstAccessMask =
+            VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
     }
 
     VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier;
@@ -385,21 +390,21 @@
     VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
     VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
 
-    vkCmdPipelineBarrier(demo->setup_cmd, src_stages, dest_stages, 0, 0, NULL, 0, NULL, 1, pmemory_barrier);
+    vkCmdPipelineBarrier(demo->setup_cmd, src_stages, dest_stages, 0, 0, NULL,
+                         0, NULL, 1, pmemory_barrier);
 }
 
-static void demo_draw_build_cmd(struct demo *demo)
-{
-        const VkCommandBufferInheritanceInfo cmd_buf_hinfo = {
-            .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
-            .pNext = NULL,
-            .renderPass = VK_NULL_HANDLE,
-            .subpass = 0,
-            .framebuffer = VK_NULL_HANDLE,
-            .occlusionQueryEnable = VK_FALSE,
-            .queryFlags = 0,
-            .pipelineStatistics = 0,
-        };
+static void demo_draw_build_cmd(struct demo *demo) {
+    const VkCommandBufferInheritanceInfo cmd_buf_hinfo = {
+        .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
+        .pNext = NULL,
+        .renderPass = VK_NULL_HANDLE,
+        .subpass = 0,
+        .framebuffer = VK_NULL_HANDLE,
+        .occlusionQueryEnable = VK_FALSE,
+        .queryFlags = 0,
+        .pipelineStatistics = 0,
+    };
     const VkCommandBufferBeginInfo cmd_buf_info = {
         .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
         .pNext = NULL,
@@ -407,8 +412,8 @@
         .pInheritanceInfo = &cmd_buf_hinfo,
     };
     const VkClearValue clear_values[2] = {
-        [0] = { .color.float32 = { 0.2f, 0.2f, 0.2f, 0.2f } },
-        [1] = { .depthStencil = { demo->depthStencil, 0 } },
+            [0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}},
+            [1] = {.depthStencil = {demo->depthStencil, 0}},
     };
     const VkRenderPassBeginInfo rp_begin = {
         .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
@@ -429,16 +434,17 @@
 
     vkCmdBeginRenderPass(demo->draw_cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
     vkCmdBindPipeline(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
-                                  demo->pipeline);
-    vkCmdBindDescriptorSets(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, demo->pipeline_layout,
-            0, 1, & demo->desc_set, 0, NULL);
+                      demo->pipeline);
+    vkCmdBindDescriptorSets(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
+                            demo->pipeline_layout, 0, 1, &demo->desc_set, 0,
+                            NULL);
 
     VkViewport viewport;
     memset(&viewport, 0, sizeof(viewport));
-    viewport.height = (float) demo->height;
-    viewport.width = (float) demo->width;
-    viewport.minDepth = (float) 0.0f;
-    viewport.maxDepth = (float) 1.0f;
+    viewport.height = (float)demo->height;
+    viewport.width = (float)demo->width;
+    viewport.minDepth = (float)0.0f;
+    viewport.maxDepth = (float)1.0f;
     vkCmdSetViewport(demo->draw_cmd, 0, 1, &viewport);
 
     VkRect2D scissor;
@@ -450,7 +456,8 @@
     vkCmdSetScissor(demo->draw_cmd, 0, 1, &scissor);
 
     VkDeviceSize offsets[1] = {0};
-    vkCmdBindVertexBuffers(demo->draw_cmd, VERTEX_BUFFER_BIND_ID, 1, &demo->vertices.buf, offsets);
+    vkCmdBindVertexBuffers(demo->draw_cmd, VERTEX_BUFFER_BIND_ID, 1,
+                           &demo->vertices.buf, offsets);
 
     vkCmdDraw(demo->draw_cmd, 3, 1, 0, 0);
     vkCmdEndRenderPass(demo->draw_cmd);
@@ -464,20 +471,19 @@
         .newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
         .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
         .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-        .subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }
-    };
+        .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}};
 
     prePresentBarrier.image = demo->buffers[demo->current_buffer].image;
     VkImageMemoryBarrier *pmemory_barrier = &prePresentBarrier;
-    vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
-                         0, 0, NULL, 0, NULL, 1, pmemory_barrier);
+    vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
+                         VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
+                         NULL, 1, pmemory_barrier);
 
     err = vkEndCommandBuffer(demo->draw_cmd);
     assert(!err);
 }
 
-static void demo_draw(struct demo *demo)
-{
+static void demo_draw(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     VkSemaphore presentCompleteSemaphore;
     VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo = {
@@ -486,17 +492,14 @@
         .flags = 0,
     };
 
-    err = vkCreateSemaphore(demo->device,
-                            &presentCompleteSemaphoreCreateInfo,
-                            NULL,
-                            &presentCompleteSemaphore);
+    err = vkCreateSemaphore(demo->device, &presentCompleteSemaphoreCreateInfo,
+                            NULL, &presentCompleteSemaphore);
     assert(!err);
 
     // Get the index of the next available swapchain image:
-    err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain,
-                                      UINT64_MAX,
+    err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain, UINT64_MAX,
                                       presentCompleteSemaphore,
-                                      (VkFence)0,// TODO: Show use of fence
+                                      (VkFence)0, // TODO: Show use of fence
                                       &demo->current_buffer);
     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
         // demo->swapchain is out of date (e.g. the window was resized) and
@@ -515,9 +518,9 @@
     // Assume the command buffer has been run on current_buffer before so
     // we need to set the image layout back to COLOR_ATTACHMENT_OPTIMAL
     demo_set_image_layout(demo, demo->buffers[demo->current_buffer].image,
-                           VK_IMAGE_ASPECT_COLOR_BIT,
-                           VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
-                           VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
+                          VK_IMAGE_ASPECT_COLOR_BIT,
+                          VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
+                          VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
     demo_flush_init_cmd(demo);
 
     // Wait for the present complete semaphore to be signaled to ensure
@@ -525,21 +528,20 @@
     // engine has fully released ownership to the application, and it is
     // okay to render to the image.
 
-// FIXME/TODO: DEAL WITH VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
+    // FIXME/TODO: DEAL WITH VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
     demo_draw_build_cmd(demo);
     VkFence nullFence = VK_NULL_HANDLE;
-    VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
-    VkSubmitInfo submit_info = {
-        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
-        .pNext = NULL,
-        .waitSemaphoreCount = 1,
-        .pWaitSemaphores = &presentCompleteSemaphore,
-        .pWaitDstStageMask = &pipe_stage_flags,
-        .commandBufferCount = 1,
-        .pCommandBuffers = &demo->draw_cmd,
-        .signalSemaphoreCount = 0,
-        .pSignalSemaphores = NULL
-    };
+    VkPipelineStageFlags pipe_stage_flags =
+        VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
+    VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
+                                .pNext = NULL,
+                                .waitSemaphoreCount = 1,
+                                .pWaitSemaphores = &presentCompleteSemaphore,
+                                .pWaitDstStageMask = &pipe_stage_flags,
+                                .commandBufferCount = 1,
+                                .pCommandBuffers = &demo->draw_cmd,
+                                .signalSemaphoreCount = 0,
+                                .pSignalSemaphores = NULL};
 
     err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
     assert(!err);
@@ -552,7 +554,7 @@
         .pImageIndices = &demo->current_buffer,
     };
 
-// TBD/TODO: SHOULD THE "present" PARAMETER BE "const" IN THE HEADER?
+    // TBD/TODO: SHOULD THE "present" PARAMETER BE "const" IN THE HEADER?
     err = demo->fpQueuePresentKHR(demo->queue, &present);
     if (err == VK_ERROR_OUT_OF_DATE_KHR) {
         // demo->swapchain is out of date (e.g. the window was resized) and
@@ -571,42 +573,35 @@
     vkDestroySemaphore(demo->device, presentCompleteSemaphore, NULL);
 }
 
-static void demo_prepare_buffers(struct demo *demo)
-{
+static void demo_prepare_buffers(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     VkSwapchainKHR oldSwapchain = demo->swapchain;
 
     // Check the surface capabilities and formats
     VkSurfaceCapabilitiesKHR surfCapabilities;
-    err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(demo->gpu,
-        demo->surface,
-        &surfCapabilities);
+    err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(
+        demo->gpu, demo->surface, &surfCapabilities);
     assert(!err);
 
     uint32_t presentModeCount;
-    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(demo->gpu,
-        demo->surface,
-        &presentModeCount, NULL);
+    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
+        demo->gpu, demo->surface, &presentModeCount, NULL);
     assert(!err);
     VkPresentModeKHR *presentModes =
         (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
     assert(presentModes);
-    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(demo->gpu,
-        demo->surface,
-        &presentModeCount, presentModes);
+    err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
+        demo->gpu, demo->surface, &presentModeCount, presentModes);
     assert(!err);
 
     VkExtent2D swapchainExtent;
     // width and height are either both -1, or both not -1.
-    if (surfCapabilities.currentExtent.width == (uint32_t) -1)
-    {
+    if (surfCapabilities.currentExtent.width == (uint32_t)-1) {
         // If the surface size is undefined, the size is set to
         // the size of the images requested.
         swapchainExtent.width = demo->width;
         swapchainExtent.height = demo->height;
-    }
-    else
-    {
+    } else {
         // If the surface size is defined, the swap chain size must match
         swapchainExtent = surfCapabilities.currentExtent;
         demo->width = surfCapabilities.currentExtent.width;
@@ -618,16 +613,17 @@
     // Determine the number of VkImage's to use in the swap chain (we desire to
     // own only 1 image at a time, besides the images being displayed and
     // queued for display):
-    uint32_t desiredNumberOfSwapchainImages = surfCapabilities.minImageCount + 1;
+    uint32_t desiredNumberOfSwapchainImages =
+        surfCapabilities.minImageCount + 1;
     if ((surfCapabilities.maxImageCount > 0) &&
-        (desiredNumberOfSwapchainImages > surfCapabilities.maxImageCount))
-    {
+        (desiredNumberOfSwapchainImages > surfCapabilities.maxImageCount)) {
         // Application must settle for fewer images than desired:
         desiredNumberOfSwapchainImages = surfCapabilities.maxImageCount;
     }
 
     VkSurfaceTransformFlagsKHR preTransform;
-    if (surfCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
+    if (surfCapabilities.supportedTransforms &
+        VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
         preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
     } else {
         preTransform = surfCapabilities.currentTransform;
@@ -640,10 +636,10 @@
         .minImageCount = desiredNumberOfSwapchainImages,
         .imageFormat = demo->format,
         .imageColorSpace = demo->color_space,
-        .imageExtent = {
-            .width = swapchainExtent.width,
-            .height = swapchainExtent.height,
-        },
+        .imageExtent =
+            {
+             .width = swapchainExtent.width, .height = swapchainExtent.height,
+            },
         .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
         .preTransform = preTransform,
         .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
@@ -657,7 +653,8 @@
     };
     uint32_t i;
 
-    err = demo->fpCreateSwapchainKHR(demo->device, &swapchain, NULL, &demo->swapchain);
+    err = demo->fpCreateSwapchainKHR(demo->device, &swapchain, NULL,
+                                     &demo->swapchain);
     assert(!err);
 
     // If we just re-created an existing swapchain, we should destroy the old
@@ -672,15 +669,16 @@
                                         &demo->swapchainImageCount, NULL);
     assert(!err);
 
-    VkImage* swapchainImages =
-        (VkImage*)malloc(demo->swapchainImageCount * sizeof(VkImage));
+    VkImage *swapchainImages =
+        (VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage));
     assert(swapchainImages);
     err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
                                         &demo->swapchainImageCount,
                                         swapchainImages);
     assert(!err);
 
-    demo->buffers = (SwapchainBuffers*)malloc(sizeof(SwapchainBuffers)*demo->swapchainImageCount);
+    demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) *
+                                               demo->swapchainImageCount);
     assert(demo->buffers);
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
@@ -688,55 +686,54 @@
             .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
             .pNext = NULL,
             .format = demo->format,
-            .components = {
-                .r = VK_COMPONENT_SWIZZLE_R,
-                .g = VK_COMPONENT_SWIZZLE_G,
-                .b = VK_COMPONENT_SWIZZLE_B,
-                .a = VK_COMPONENT_SWIZZLE_A,
-            },
-            .subresourceRange = {
-                .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
-                .baseMipLevel = 0,
-                .levelCount = 1,
-                .baseArrayLayer = 0,
-                .layerCount = 1
-            },
+            .components =
+                {
+                 .r = VK_COMPONENT_SWIZZLE_R,
+                 .g = VK_COMPONENT_SWIZZLE_G,
+                 .b = VK_COMPONENT_SWIZZLE_B,
+                 .a = VK_COMPONENT_SWIZZLE_A,
+                },
+            .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+                                 .baseMipLevel = 0,
+                                 .levelCount = 1,
+                                 .baseArrayLayer = 0,
+                                 .layerCount = 1},
             .viewType = VK_IMAGE_VIEW_TYPE_2D,
             .flags = 0,
         };
 
         demo->buffers[i].image = swapchainImages[i];
 
-        // Render loop will expect image to have been used before and in VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
-        // layout and will change to COLOR_ATTACHMENT_OPTIMAL, so init the image to that state
-        demo_set_image_layout(demo, demo->buffers[i].image,
-                               VK_IMAGE_ASPECT_COLOR_BIT,
-                               VK_IMAGE_LAYOUT_UNDEFINED,
-                               VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+        // Render loop will expect image to have been used before and in
+        // VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
+        // layout and will change to COLOR_ATTACHMENT_OPTIMAL, so init the image
+        // to that state
+        demo_set_image_layout(
+            demo, demo->buffers[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
+            VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
 
         color_attachment_view.image = demo->buffers[i].image;
 
-        err = vkCreateImageView(demo->device,
-                &color_attachment_view, NULL, &demo->buffers[i].view);
+        err = vkCreateImageView(demo->device, &color_attachment_view, NULL,
+                                &demo->buffers[i].view);
         assert(!err);
     }
 
     demo->current_buffer = 0;
-    
+
     if (NULL != presentModes) {
         free(presentModes);
     }
 }
 
-static void demo_prepare_depth(struct demo *demo)
-{
+static void demo_prepare_depth(struct demo *demo) {
     const VkFormat depth_format = VK_FORMAT_D16_UNORM;
     const VkImageCreateInfo image = {
         .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
         .pNext = NULL,
         .imageType = VK_IMAGE_TYPE_2D,
         .format = depth_format,
-        .extent = { demo->width, demo->height, 1 },
+        .extent = {demo->width, demo->height, 1},
         .mipLevels = 1,
         .arrayLayers = 1,
         .samples = VK_SAMPLE_COUNT_1_BIT,
@@ -755,13 +752,11 @@
         .pNext = NULL,
         .image = VK_NULL_HANDLE,
         .format = depth_format,
-        .subresourceRange = {
-            .aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
-            .baseMipLevel = 0,
-            .levelCount = 1,
-            .baseArrayLayer = 0,
-            .layerCount = 1
-        },
+        .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT,
+                             .baseMipLevel = 0,
+                             .levelCount = 1,
+                             .baseArrayLayer = 0,
+                             .layerCount = 1},
         .flags = 0,
         .viewType = VK_IMAGE_VIEW_TYPE_2D,
     };
@@ -773,20 +768,17 @@
     demo->depth.format = depth_format;
 
     /* create image */
-    err = vkCreateImage(demo->device, &image, NULL,
-            &demo->depth.image);
+    err = vkCreateImage(demo->device, &image, NULL, &demo->depth.image);
     assert(!err);
 
     /* get memory requirements for this object */
-    vkGetImageMemoryRequirements(demo->device, demo->depth.image,
-                                       &mem_reqs);
+    vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs);
 
     /* select memory size and type */
     mem_alloc.allocationSize = mem_reqs.size;
-    pass = memory_type_from_properties(demo,
-                                      mem_reqs.memoryTypeBits,
-                                      0, /* No requirements */
-                                      &mem_alloc.memoryTypeIndex);
+    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
+                                       0, /* No requirements */
+                                       &mem_alloc.memoryTypeIndex);
     assert(pass);
 
     /* allocate memory */
@@ -794,14 +786,13 @@
     assert(!err);
 
     /* bind memory */
-    err = vkBindImageMemory(demo->device, demo->depth.image,
-                            demo->depth.mem, 0);
+    err =
+        vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0);
     assert(!err);
 
-    demo_set_image_layout(demo, demo->depth.image,
-                           VK_IMAGE_ASPECT_DEPTH_BIT,
-                           VK_IMAGE_LAYOUT_UNDEFINED,
-                           VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
+    demo_set_image_layout(demo, demo->depth.image, VK_IMAGE_ASPECT_DEPTH_BIT,
+                          VK_IMAGE_LAYOUT_UNDEFINED,
+                          VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
 
     /* create image view */
     view.image = demo->depth.image;
@@ -809,13 +800,10 @@
     assert(!err);
 }
 
-static void demo_prepare_texture_image(struct demo *demo,
-                                       const uint32_t *tex_colors,
-                                       struct texture_object *tex_obj,
-                                       VkImageTiling tiling,
-                                       VkImageUsageFlags usage,
-                                       VkFlags required_props)
-{
+static void
+demo_prepare_texture_image(struct demo *demo, const uint32_t *tex_colors,
+                           struct texture_object *tex_obj, VkImageTiling tiling,
+                           VkImageUsageFlags usage, VkFlags required_props) {
     const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM;
     const int32_t tex_width = 2;
     const int32_t tex_height = 2;
@@ -830,7 +818,7 @@
         .pNext = NULL,
         .imageType = VK_IMAGE_TYPE_2D,
         .format = tex_format,
-        .extent = { tex_width, tex_height, 1 },
+        .extent = {tex_width, tex_height, 1},
         .mipLevels = 1,
         .arrayLayers = 1,
         .samples = VK_SAMPLE_COUNT_1_BIT,
@@ -847,14 +835,16 @@
 
     VkMemoryRequirements mem_reqs;
 
-    err = vkCreateImage(demo->device, &image_create_info, NULL,
-            &tex_obj->image);
+    err =
+        vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image);
     assert(!err);
 
     vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs);
 
-    mem_alloc.allocationSize  = mem_reqs.size;
-    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits, required_props, &mem_alloc.memoryTypeIndex);
+    mem_alloc.allocationSize = mem_reqs.size;
+    pass =
+        memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
+                                    required_props, &mem_alloc.memoryTypeIndex);
     assert(pass);
 
     /* allocate memory */
@@ -862,8 +852,7 @@
     assert(!err);
 
     /* bind memory */
-    err = vkBindImageMemory(demo->device, tex_obj->image,
-            tex_obj->mem, 0);
+    err = vkBindImageMemory(demo->device, tex_obj->image, tex_obj->mem, 0);
     assert(!err);
 
     if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
@@ -876,13 +865,15 @@
         void *data;
         int32_t x, y;
 
-        vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres, &layout);
+        vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres,
+                                    &layout);
 
-        err = vkMapMemory(demo->device, tex_obj->mem, 0, mem_alloc.allocationSize, 0, &data);
+        err = vkMapMemory(demo->device, tex_obj->mem, 0,
+                          mem_alloc.allocationSize, 0, &data);
         assert(!err);
 
         for (y = 0; y < tex_height; y++) {
-            uint32_t *row = (uint32_t *) ((char *) data + layout.rowPitch * y);
+            uint32_t *row = (uint32_t *)((char *)data + layout.rowPitch * y);
             for (x = 0; x < tex_width; x++)
                 row[x] = tex_colors[(x & 1) ^ (y & 1)];
         }
@@ -891,26 +882,24 @@
     }
 
     tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
-    demo_set_image_layout(demo, tex_obj->image,
-                           VK_IMAGE_ASPECT_COLOR_BIT,
-                           VK_IMAGE_LAYOUT_UNDEFINED,
-                           tex_obj->imageLayout);
-    /* setting the image layout does not reference the actual memory so no need to add a mem ref */
+    demo_set_image_layout(demo, tex_obj->image, VK_IMAGE_ASPECT_COLOR_BIT,
+                          VK_IMAGE_LAYOUT_UNDEFINED, tex_obj->imageLayout);
+    /* setting the image layout does not reference the actual memory so no need
+     * to add a mem ref */
 }
 
-static void demo_destroy_texture_image(struct demo *demo, struct texture_object *tex_obj)
-{
+static void demo_destroy_texture_image(struct demo *demo,
+                                       struct texture_object *tex_obj) {
     /* clean up staging resources */
     vkDestroyImage(demo->device, tex_obj->image, NULL);
     vkFreeMemory(demo->device, tex_obj->mem, NULL);
 }
 
-static void demo_prepare_textures(struct demo *demo)
-{
+static void demo_prepare_textures(struct demo *demo) {
     const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM;
     VkFormatProperties props;
     const uint32_t tex_colors[DEMO_TEXTURE_COUNT][2] = {
-        { 0xffff0000, 0xff00ff00 },
+        {0xffff0000, 0xff00ff00},
     };
     uint32_t i;
     VkResult U_ASSERT_ONLY err;
@@ -918,49 +907,58 @@
     vkGetPhysicalDeviceFormatProperties(demo->gpu, tex_format, &props);
 
     for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
-        if ((props.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) && !demo->use_staging_buffer) {
+        if ((props.linearTilingFeatures &
+             VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
+            !demo->use_staging_buffer) {
             /* Device can texture using linear textures */
             demo_prepare_texture_image(demo, tex_colors[i], &demo->textures[i],
-                                       VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
-        } else if (props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT){
+                                       VK_IMAGE_TILING_LINEAR,
+                                       VK_IMAGE_USAGE_SAMPLED_BIT,
+                                       VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
+        } else if (props.optimalTilingFeatures &
+                   VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
             /* Must use staging buffer to copy linear texture to optimized */
             struct texture_object staging_texture;
 
             memset(&staging_texture, 0, sizeof(staging_texture));
             demo_prepare_texture_image(demo, tex_colors[i], &staging_texture,
-                                       VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
+                                       VK_IMAGE_TILING_LINEAR,
+                                       VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
+                                       VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
 
-            demo_prepare_texture_image(demo, tex_colors[i], &demo->textures[i],
-                                       VK_IMAGE_TILING_OPTIMAL,
-                                       (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
-                                       VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
+            demo_prepare_texture_image(
+                demo, tex_colors[i], &demo->textures[i],
+                VK_IMAGE_TILING_OPTIMAL,
+                (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
+                VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
 
             demo_set_image_layout(demo, staging_texture.image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   staging_texture.imageLayout,
-                                   VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  staging_texture.imageLayout,
+                                  VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
 
             demo_set_image_layout(demo, demo->textures[i].image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   demo->textures[i].imageLayout,
-                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  demo->textures[i].imageLayout,
+                                  VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
 
             VkImageCopy copy_region = {
-                .srcSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 },
-                .srcOffset = { 0, 0, 0 },
-                .dstSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 },
-                .dstOffset = { 0, 0, 0 },
-                .extent = { staging_texture.tex_width, staging_texture.tex_height, 1 },
+                .srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
+                .srcOffset = {0, 0, 0},
+                .dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
+                .dstOffset = {0, 0, 0},
+                .extent = {staging_texture.tex_width,
+                           staging_texture.tex_height, 1},
             };
-            vkCmdCopyImage(demo->setup_cmd,
-                            staging_texture.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
-                            demo->textures[i].image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                            1, &copy_region);
+            vkCmdCopyImage(
+                demo->setup_cmd, staging_texture.image,
+                VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, demo->textures[i].image,
+                VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy_region);
 
             demo_set_image_layout(demo, demo->textures[i].image,
-                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                   VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
-                                   demo->textures[i].imageLayout);
+                                  VK_IMAGE_ASPECT_COLOR_BIT,
+                                  VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
+                                  demo->textures[i].imageLayout);
 
             demo_flush_init_cmd(demo);
 
@@ -994,35 +992,37 @@
             .image = VK_NULL_HANDLE,
             .viewType = VK_IMAGE_VIEW_TYPE_2D,
             .format = tex_format,
-            .components = { VK_COMPONENT_SWIZZLE_R,
-                          VK_COMPONENT_SWIZZLE_G,
-                          VK_COMPONENT_SWIZZLE_B,
-                          VK_COMPONENT_SWIZZLE_A, },
-            .subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 },
+            .components =
+                {
+                 VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
+                 VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
+                },
+            .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1},
             .flags = 0,
         };
 
         /* create sampler */
         err = vkCreateSampler(demo->device, &sampler, NULL,
-                &demo->textures[i].sampler);
+                              &demo->textures[i].sampler);
         assert(!err);
 
         /* create image view */
         view.image = demo->textures[i].image;
         err = vkCreateImageView(demo->device, &view, NULL,
-                                 &demo->textures[i].view);
+                                &demo->textures[i].view);
         assert(!err);
     }
 }
 
-static void demo_prepare_vertices(struct demo *demo)
-{
+static void demo_prepare_vertices(struct demo *demo) {
+    // clang-format off
     const float vb[3][5] = {
         /*      position             texcoord */
         { -1.0f, -1.0f,  0.25f,     0.0f, 0.0f },
         {  1.0f, -1.0f,  0.25f,     1.0f, 0.0f },
         {  0.0f,  1.0f,  1.0f,      0.5f, 1.0f },
     };
+    // clang-format on
     const VkBufferCreateInfo buf_info = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = NULL,
@@ -1046,21 +1046,20 @@
     err = vkCreateBuffer(demo->device, &buf_info, NULL, &demo->vertices.buf);
     assert(!err);
 
-    vkGetBufferMemoryRequirements(demo->device,
-            demo->vertices.buf, &mem_reqs);
+    vkGetBufferMemoryRequirements(demo->device, demo->vertices.buf, &mem_reqs);
     assert(!err);
 
-    mem_alloc.allocationSize  = mem_reqs.size;
-    pass = memory_type_from_properties(demo,
-                                      mem_reqs.memoryTypeBits,
-                                      VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
-                                      &mem_alloc.memoryTypeIndex);
+    mem_alloc.allocationSize = mem_reqs.size;
+    pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
+                                       VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
+                                       &mem_alloc.memoryTypeIndex);
     assert(pass);
 
     err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &demo->vertices.mem);
     assert(!err);
 
-    err = vkMapMemory(demo->device, demo->vertices.mem, 0, mem_alloc.allocationSize, 0, &data);
+    err = vkMapMemory(demo->device, demo->vertices.mem, 0,
+                      mem_alloc.allocationSize, 0, &data);
     assert(!err);
 
     memcpy(data, vb, sizeof(vb));
@@ -1068,10 +1067,11 @@
     vkUnmapMemory(demo->device, demo->vertices.mem);
 
     err = vkBindBufferMemory(demo->device, demo->vertices.buf,
-            demo->vertices.mem, 0);
+                             demo->vertices.mem, 0);
     assert(!err);
 
-    demo->vertices.vi.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+    demo->vertices.vi.sType =
+        VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
     demo->vertices.vi.pNext = NULL;
     demo->vertices.vi.vertexBindingDescriptionCount = 1;
     demo->vertices.vi.pVertexBindingDescriptions = demo->vertices.vi_bindings;
@@ -1093,8 +1093,7 @@
     demo->vertices.vi_attrs[1].offset = sizeof(float) * 3;
 }
 
-static void demo_prepare_descriptor_layout(struct demo *demo)
-{
+static void demo_prepare_descriptor_layout(struct demo *demo) {
     const VkDescriptorSetLayoutBinding layout_binding = {
         .binding = 0,
         .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
@@ -1110,51 +1109,51 @@
     };
     VkResult U_ASSERT_ONLY err;
 
-    err = vkCreateDescriptorSetLayout(demo->device,
-            &descriptor_layout, NULL, &demo->desc_layout);
+    err = vkCreateDescriptorSetLayout(demo->device, &descriptor_layout, NULL,
+                                      &demo->desc_layout);
     assert(!err);
 
     const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {
-        .sType              = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
-        .pNext              = NULL,
+        .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+        .pNext = NULL,
         .setLayoutCount = 1,
-        .pSetLayouts        = &demo->desc_layout,
+        .pSetLayouts = &demo->desc_layout,
     };
 
-    err = vkCreatePipelineLayout(demo->device,
-                                 &pPipelineLayoutCreateInfo,
-                                 NULL,
+    err = vkCreatePipelineLayout(demo->device, &pPipelineLayoutCreateInfo, NULL,
                                  &demo->pipeline_layout);
     assert(!err);
 }
 
-static void demo_prepare_render_pass(struct demo *demo)
-{
+static void demo_prepare_render_pass(struct demo *demo) {
     const VkAttachmentDescription attachments[2] = {
-        [0] = {
-            .format = demo->format,
-            .samples = VK_SAMPLE_COUNT_1_BIT,
-            .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
-            .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
-            .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
-            .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-            .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-        },
-        [1] = {
-            .format = demo->depth.format,
-            .samples = VK_SAMPLE_COUNT_1_BIT,
-            .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
-            .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
-            .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
-            .initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-            .finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-        },
+            [0] =
+                {
+                 .format = demo->format,
+                 .samples = VK_SAMPLE_COUNT_1_BIT,
+                 .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
+                 .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
+                 .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
+                 .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+                 .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+                },
+            [1] =
+                {
+                 .format = demo->depth.format,
+                 .samples = VK_SAMPLE_COUNT_1_BIT,
+                 .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
+                 .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
+                 .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
+                 .initialLayout =
+                     VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
+                 .finalLayout =
+                     VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
+                },
     };
     const VkAttachmentReference color_reference = {
-        .attachment = 0,
-        .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+        .attachment = 0, .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
     };
     const VkAttachmentReference depth_reference = {
         .attachment = 1,
@@ -1188,10 +1187,8 @@
     assert(!err);
 }
 
-static VkShaderModule demo_prepare_shader_module(struct demo *demo,
-                                                 const void *code,
-                                                 size_t size)
-{
+static VkShaderModule
+demo_prepare_shader_module(struct demo *demo, const void *code, size_t size) {
     VkShaderModuleCreateInfo moduleCreateInfo;
     VkShaderModule module;
     VkResult U_ASSERT_ONLY err;
@@ -1208,14 +1205,14 @@
     return module;
 }
 
-char *demo_read_spv(const char *filename, size_t *psize)
-{
+char *demo_read_spv(const char *filename, size_t *psize) {
     long int size;
     void *shader_code;
     size_t retVal;
 
     FILE *fp = fopen(filename, "rb");
-    if (!fp) return NULL;
+    if (!fp)
+        return NULL;
 
     fseek(fp, 0L, SEEK_END);
     size = ftell(fp);
@@ -1224,7 +1221,8 @@
 
     shader_code = malloc(size);
     retVal = fread(shader_code, size, 1, fp);
-    if (!retVal) return NULL;
+    if (!retVal)
+        return NULL;
 
     *psize = size;
 
@@ -1232,48 +1230,47 @@
     return shader_code;
 }
 
-static VkShaderModule demo_prepare_vs(struct demo *demo)
-{
+static VkShaderModule demo_prepare_vs(struct demo *demo) {
     void *vertShaderCode;
     size_t size;
 
     vertShaderCode = demo_read_spv("tri-vert.spv", &size);
 
-    demo->vert_shader_module = demo_prepare_shader_module(demo, vertShaderCode, size);
+    demo->vert_shader_module =
+        demo_prepare_shader_module(demo, vertShaderCode, size);
 
     free(vertShaderCode);
 
     return demo->vert_shader_module;
 }
 
-static VkShaderModule demo_prepare_fs(struct demo *demo)
-{
+static VkShaderModule demo_prepare_fs(struct demo *demo) {
     void *fragShaderCode;
     size_t size;
 
     fragShaderCode = demo_read_spv("tri-frag.spv", &size);
 
-    demo->frag_shader_module = demo_prepare_shader_module(demo, fragShaderCode, size);
+    demo->frag_shader_module =
+        demo_prepare_shader_module(demo, fragShaderCode, size);
 
     free(fragShaderCode);
 
     return demo->frag_shader_module;
 }
 
-static void demo_prepare_pipeline(struct demo *demo)
-{
+static void demo_prepare_pipeline(struct demo *demo) {
     VkGraphicsPipelineCreateInfo pipeline;
     VkPipelineCacheCreateInfo pipelineCache;
 
-    VkPipelineVertexInputStateCreateInfo   vi;
+    VkPipelineVertexInputStateCreateInfo vi;
     VkPipelineInputAssemblyStateCreateInfo ia;
-    VkPipelineRasterizationStateCreateInfo        rs;
-    VkPipelineColorBlendStateCreateInfo    cb;
-    VkPipelineDepthStencilStateCreateInfo  ds;
-    VkPipelineViewportStateCreateInfo      vp;
-    VkPipelineMultisampleStateCreateInfo   ms;
-    VkDynamicState                         dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE];
-    VkPipelineDynamicStateCreateInfo       dynamicState;
+    VkPipelineRasterizationStateCreateInfo rs;
+    VkPipelineColorBlendStateCreateInfo cb;
+    VkPipelineDepthStencilStateCreateInfo ds;
+    VkPipelineViewportStateCreateInfo vp;
+    VkPipelineMultisampleStateCreateInfo ms;
+    VkDynamicState dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE];
+    VkPipelineDynamicStateCreateInfo dynamicState;
 
     VkResult U_ASSERT_ONLY err;
 
@@ -1313,9 +1310,11 @@
     memset(&vp, 0, sizeof(vp));
     vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
     vp.viewportCount = 1;
-    dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_VIEWPORT;
+    dynamicStateEnables[dynamicState.dynamicStateCount++] =
+        VK_DYNAMIC_STATE_VIEWPORT;
     vp.scissorCount = 1;
-    dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR;
+    dynamicStateEnables[dynamicState.dynamicStateCount++] =
+        VK_DYNAMIC_STATE_SCISSOR;
 
     memset(&ds, 0, sizeof(ds));
     ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
@@ -1339,34 +1338,35 @@
     VkPipelineShaderStageCreateInfo shaderStages[2];
     memset(&shaderStages, 0, 2 * sizeof(VkPipelineShaderStageCreateInfo));
 
-    shaderStages[0].sType  = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
-    shaderStages[0].stage  = VK_SHADER_STAGE_VERTEX_BIT;
+    shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shaderStages[0].stage = VK_SHADER_STAGE_VERTEX_BIT;
     shaderStages[0].module = demo_prepare_vs(demo);
-    shaderStages[0].pName  = "main";
+    shaderStages[0].pName = "main";
 
-    shaderStages[1].sType  = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
-    shaderStages[1].stage  = VK_SHADER_STAGE_FRAGMENT_BIT;
+    shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
     shaderStages[1].module = demo_prepare_fs(demo);
-    shaderStages[1].pName  = "main";
+    shaderStages[1].pName = "main";
 
-    pipeline.pVertexInputState   = &vi;
+    pipeline.pVertexInputState = &vi;
     pipeline.pInputAssemblyState = &ia;
-    pipeline.pRasterizationState        = &rs;
-    pipeline.pColorBlendState    = &cb;
-    pipeline.pMultisampleState   = &ms;
-    pipeline.pViewportState      = &vp;
-    pipeline.pDepthStencilState  = &ds;
-    pipeline.pStages             = shaderStages;
-    pipeline.renderPass          = demo->render_pass;
-    pipeline.pDynamicState       = &dynamicState;
+    pipeline.pRasterizationState = &rs;
+    pipeline.pColorBlendState = &cb;
+    pipeline.pMultisampleState = &ms;
+    pipeline.pViewportState = &vp;
+    pipeline.pDepthStencilState = &ds;
+    pipeline.pStages = shaderStages;
+    pipeline.renderPass = demo->render_pass;
+    pipeline.pDynamicState = &dynamicState;
 
     memset(&pipelineCache, 0, sizeof(pipelineCache));
     pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
 
-    err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL, &demo->pipelineCache);
+    err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL,
+                                &demo->pipelineCache);
     assert(!err);
-    err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache,
-            1, &pipeline, NULL, &demo->pipeline);
+    err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1,
+                                    &pipeline, NULL, &demo->pipeline);
     assert(!err);
 
     vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
@@ -1375,8 +1375,7 @@
     vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL);
 }
 
-static void demo_prepare_descriptor_pool(struct demo *demo)
-{
+static void demo_prepare_descriptor_pool(struct demo *demo) {
     const VkDescriptorPoolSize type_count = {
         .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
         .descriptorCount = DEMO_TEXTURE_COUNT,
@@ -1390,13 +1389,12 @@
     };
     VkResult U_ASSERT_ONLY err;
 
-    err = vkCreateDescriptorPool(demo->device,
-            &descriptor_pool, NULL, &demo->desc_pool);
+    err = vkCreateDescriptorPool(demo->device, &descriptor_pool, NULL,
+                                 &demo->desc_pool);
     assert(!err);
 }
 
-static void demo_prepare_descriptor_set(struct demo *demo)
-{
+static void demo_prepare_descriptor_set(struct demo *demo) {
     VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT];
     VkWriteDescriptorSet write;
     VkResult U_ASSERT_ONLY err;
@@ -1407,8 +1405,7 @@
         .pNext = NULL,
         .descriptorPool = demo->desc_pool,
         .descriptorSetCount = 1,
-        .pSetLayouts = &demo->desc_layout
-    };
+        .pSetLayouts = &demo->desc_layout};
     err = vkAllocateDescriptorSets(demo->device, &alloc_info, &demo->desc_set);
     assert(!err);
 
@@ -1429,36 +1426,36 @@
     vkUpdateDescriptorSets(demo->device, 1, &write, 0, NULL);
 }
 
-static void demo_prepare_framebuffers(struct demo *demo)
-{
+static void demo_prepare_framebuffers(struct demo *demo) {
     VkImageView attachments[2];
     attachments[1] = demo->depth.view;
 
     const VkFramebufferCreateInfo fb_info = {
-         .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
-         .pNext = NULL,
-         .renderPass = demo->render_pass,
-         .attachmentCount = 2,
-         .pAttachments = attachments,
-         .width  = demo->width,
-         .height = demo->height,
-         .layers = 1,
+        .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
+        .pNext = NULL,
+        .renderPass = demo->render_pass,
+        .attachmentCount = 2,
+        .pAttachments = attachments,
+        .width = demo->width,
+        .height = demo->height,
+        .layers = 1,
     };
     VkResult U_ASSERT_ONLY err;
     uint32_t i;
 
-    demo->framebuffers = (VkFramebuffer *) malloc(demo->swapchainImageCount * sizeof(VkFramebuffer));
+    demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount *
+                                                 sizeof(VkFramebuffer));
     assert(demo->framebuffers);
 
     for (i = 0; i < demo->swapchainImageCount; i++) {
-        attachments[0]= demo->buffers[i].view;
-        err = vkCreateFramebuffer(demo->device, &fb_info, NULL, &demo->framebuffers[i]);
+        attachments[0] = demo->buffers[i].view;
+        err = vkCreateFramebuffer(demo->device, &fb_info, NULL,
+                                  &demo->framebuffers[i]);
         assert(!err);
     }
 }
 
-static void demo_prepare(struct demo *demo)
-{
+static void demo_prepare(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
 
     const VkCommandPoolCreateInfo cmd_pool_info = {
@@ -1467,7 +1464,8 @@
         .queueFamilyIndex = demo->graphics_queue_node_index,
         .flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
     };
-    err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL, &demo->cmd_pool);
+    err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL,
+                              &demo->cmd_pool);
     assert(!err);
 
     const VkCommandBufferAllocateInfo cmd = {
@@ -1497,8 +1495,7 @@
 }
 
 #ifdef _WIN32
-static void demo_run(struct demo *demo)
-{
+static void demo_run(struct demo *demo) {
     if (!demo->prepared)
         return;
     demo_draw(demo);
@@ -1515,15 +1512,10 @@
 struct demo demo;
 
 // MS-Windows event handling function:
-LRESULT CALLBACK WndProc(HWND hWnd,
-                         UINT uMsg,
-                         WPARAM wParam,
-                         LPARAM lParam)
-{
+LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
     char tmp_str[] = APP_LONG_NAME;
 
-    switch(uMsg)
-    {
+    switch (uMsg) {
     case WM_CREATE:
         return 0;
     case WM_CLOSE:
@@ -1545,9 +1537,8 @@
     return (DefWindowProc(hWnd, uMsg, wParam, lParam));
 }
 
-static void demo_create_window(struct demo *demo)
-{
-    WNDCLASSEX  win_class;
+static void demo_create_window(struct demo *demo) {
+    WNDCLASSEX win_class;
 
     // Initialize the window class structure:
     win_class.cbSize = sizeof(WNDCLASSEX);
@@ -1570,21 +1561,20 @@
         exit(1);
     }
     // Create window with the registered class:
-    RECT wr = { 0, 0, demo->width, demo->height };
+    RECT wr = {0, 0, demo->width, demo->height};
     AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
     demo->window = CreateWindowEx(0,
                                   demo->name,           // class name
                                   demo->name,           // app name
                                   WS_OVERLAPPEDWINDOW | // window style
-                                  WS_VISIBLE |
-                                  WS_SYSMENU,
-                                  100,100,              // x/y coords
-                                  wr.right-wr.left,     // width
-                                  wr.bottom-wr.top,     // height
-                                  NULL,                 // handle to parent
-                                  NULL,                 // handle to menu
-                                  demo->connection,     // hInstance
-                                  NULL);                // no extra parameters
+                                      WS_VISIBLE | WS_SYSMENU,
+                                  100, 100,           // x/y coords
+                                  wr.right - wr.left, // width
+                                  wr.bottom - wr.top, // height
+                                  NULL,               // handle to parent
+                                  NULL,               // handle to menu
+                                  demo->connection,   // hInstance
+                                  NULL);              // no extra parameters
     if (!demo->window) {
         // It didn't work, so try to give a useful error:
         printf("Cannot create a window in which to draw!\n");
@@ -1595,46 +1585,40 @@
 #else  // _WIN32
 
 static void demo_handle_event(struct demo *demo,
-                              const xcb_generic_event_t *event)
-{
+                              const xcb_generic_event_t *event) {
     switch (event->response_type & 0x7f) {
     case XCB_EXPOSE:
         demo_draw(demo);
         break;
     case XCB_CLIENT_MESSAGE:
-        if((*(xcb_client_message_event_t*)event).data.data32[0] ==
-           (*demo->atom_wm_delete_window).atom) {
+        if ((*(xcb_client_message_event_t *)event).data.data32[0] ==
+            (*demo->atom_wm_delete_window).atom) {
             demo->quit = true;
         }
         break;
-    case XCB_KEY_RELEASE:
-        {
-            const xcb_key_release_event_t *key =
-                (const xcb_key_release_event_t *) event;
+    case XCB_KEY_RELEASE: {
+        const xcb_key_release_event_t *key =
+            (const xcb_key_release_event_t *)event;
 
-            if (key->detail == 0x9)
-                demo->quit = true;
-        }
-        break;
+        if (key->detail == 0x9)
+            demo->quit = true;
+    } break;
     case XCB_DESTROY_NOTIFY:
         demo->quit = true;
         break;
-    case XCB_CONFIGURE_NOTIFY:
-        {
-            const xcb_configure_notify_event_t *cfg =
-                (const xcb_configure_notify_event_t *) event;
-            if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
-              demo_resize(demo);
-            }
+    case XCB_CONFIGURE_NOTIFY: {
+        const xcb_configure_notify_event_t *cfg =
+            (const xcb_configure_notify_event_t *)event;
+        if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
+            demo_resize(demo);
         }
-        break;
+    } break;
     default:
         break;
     }
 }
 
-static void demo_run(struct demo *demo)
-{
+static void demo_run(struct demo *demo) {
     xcb_flush(demo->connection);
 
     while (!demo->quit) {
@@ -1660,36 +1644,34 @@
     }
 }
 
-static void demo_create_window(struct demo *demo)
-{
+static void demo_create_window(struct demo *demo) {
     uint32_t value_mask, value_list[32];
 
     demo->window = xcb_generate_id(demo->connection);
 
     value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
     value_list[0] = demo->screen->black_pixel;
-    value_list[1] = XCB_EVENT_MASK_KEY_RELEASE |
-                    XCB_EVENT_MASK_EXPOSURE |
+    value_list[1] = XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_EXPOSURE |
                     XCB_EVENT_MASK_STRUCTURE_NOTIFY;
 
-    xcb_create_window(demo->connection,
-            XCB_COPY_FROM_PARENT,
-            demo->window, demo->screen->root,
-            0, 0, demo->width, demo->height, 0,
-            XCB_WINDOW_CLASS_INPUT_OUTPUT,
-            demo->screen->root_visual,
-            value_mask, value_list);
+    xcb_create_window(demo->connection, XCB_COPY_FROM_PARENT, demo->window,
+                      demo->screen->root, 0, 0, demo->width, demo->height, 0,
+                      XCB_WINDOW_CLASS_INPUT_OUTPUT, demo->screen->root_visual,
+                      value_mask, value_list);
 
     /* Magic code that will send notification when window is destroyed */
-    xcb_intern_atom_cookie_t cookie = xcb_intern_atom(demo->connection, 1, 12,
-                                                      "WM_PROTOCOLS");
-    xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(demo->connection, cookie, 0);
+    xcb_intern_atom_cookie_t cookie =
+        xcb_intern_atom(demo->connection, 1, 12, "WM_PROTOCOLS");
+    xcb_intern_atom_reply_t *reply =
+        xcb_intern_atom_reply(demo->connection, cookie, 0);
 
-    xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
-    demo->atom_wm_delete_window = xcb_intern_atom_reply(demo->connection, cookie2, 0);
+    xcb_intern_atom_cookie_t cookie2 =
+        xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
+    demo->atom_wm_delete_window =
+        xcb_intern_atom_reply(demo->connection, cookie2, 0);
 
-    xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE,
-                        demo->window, (*reply).atom, 4, 32, 1,
+    xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE, demo->window,
+                        (*reply).atom, 4, 32, 1,
                         &(*demo->atom_wm_delete_window).atom);
     free(reply);
 
@@ -1702,8 +1684,8 @@
  * can be found in given layer properties.
  */
 static VkBool32 demo_check_layers(uint32_t check_count, char **check_names,
-                              uint32_t layer_count, VkLayerProperties *layers)
-{
+                                  uint32_t layer_count,
+                                  VkLayerProperties *layers) {
     for (uint32_t i = 0; i < check_count; i++) {
         VkBool32 found = 0;
         for (uint32_t j = 0; j < layer_count; j++) {
@@ -1719,22 +1701,15 @@
     return 1;
 }
 
-VKAPI_ATTR void* VKAPI_CALL myrealloc(
-    void*                                       pUserData,
-    void*                                       pOriginal,
-    size_t                                      size,
-    size_t                                      alignment,
-    VkSystemAllocationScope                     allocationScope)
-{
+VKAPI_ATTR void *VKAPI_CALL myrealloc(void *pUserData, void *pOriginal,
+                                      size_t size, size_t alignment,
+                                      VkSystemAllocationScope allocationScope) {
     return realloc(pOriginal, size);
 }
 
-VKAPI_ATTR void* VKAPI_CALL myalloc(
-    void*                           pUserData,
-    size_t                          size,
-    size_t                          alignment,
-    VkSystemAllocationScope         allocationScope)
-{
+VKAPI_ATTR void *VKAPI_CALL myalloc(void *pUserData, size_t size,
+                                    size_t alignment,
+                                    VkSystemAllocationScope allocationScope) {
 #ifdef _MSC_VER
     return _aligned_malloc(size, alignment);
 #else
@@ -1742,10 +1717,7 @@
 #endif
 }
 
-VKAPI_ATTR void VKAPI_CALL myfree(
-    void*                           pUserData,
-    void*                           pMemory)
-{
+VKAPI_ATTR void VKAPI_CALL myfree(void *pUserData, void *pMemory) {
 #ifdef _MSC_VER
     _aligned_free(pMemory);
 #else
@@ -1753,8 +1725,7 @@
 #endif
 }
 
-static void demo_init_vk(struct demo *demo)
-{
+static void demo_init_vk(struct demo *demo) {
     VkResult err;
     VkExtensionProperties *instance_extensions;
     VkPhysicalDevice *physical_devices;
@@ -1779,12 +1750,14 @@
     assert(!err);
 
     instance_layers = malloc(sizeof(VkLayerProperties) * instance_layer_count);
-    err = vkEnumerateInstanceLayerProperties(&instance_layer_count, instance_layers);
+    err = vkEnumerateInstanceLayerProperties(&instance_layer_count,
+                                             instance_layers);
     assert(!err);
 
     if (demo->validate) {
-        validation_found = demo_check_layers(ARRAY_SIZE(instance_validation_layers), instance_validation_layers,
-                                             instance_layer_count, instance_layers);
+        validation_found = demo_check_layers(
+            ARRAY_SIZE(instance_validation_layers), instance_validation_layers,
+            instance_layer_count, instance_layers);
         if (!validation_found) {
             ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find"
                      "required validation layer.\n\n"
@@ -1795,41 +1768,53 @@
         demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers);
     }
 
-    err = vkEnumerateInstanceExtensionProperties(NULL, &instance_extension_count, NULL);
+    err = vkEnumerateInstanceExtensionProperties(
+        NULL, &instance_extension_count, NULL);
     assert(!err);
 
     VkBool32 surfaceExtFound = 0;
     VkBool32 platformSurfaceExtFound = 0;
     memset(demo->extension_names, 0, sizeof(demo->extension_names));
-    instance_extensions = malloc(sizeof(VkExtensionProperties) * instance_extension_count);
-    err = vkEnumerateInstanceExtensionProperties(NULL, &instance_extension_count, instance_extensions);
+    instance_extensions =
+        malloc(sizeof(VkExtensionProperties) * instance_extension_count);
+    err = vkEnumerateInstanceExtensionProperties(
+        NULL, &instance_extension_count, instance_extensions);
     assert(!err);
     for (uint32_t i = 0; i < instance_extension_count; i++) {
-        if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             surfaceExtFound = 1;
-            demo->extension_names[demo->enabled_extension_count++] = VK_KHR_SURFACE_EXTENSION_NAME;
+            demo->extension_names[demo->enabled_extension_count++] =
+                VK_KHR_SURFACE_EXTENSION_NAME;
         }
 #ifdef _WIN32
-        if (!strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             platformSurfaceExtFound = 1;
-            demo->extension_names[demo->enabled_extension_count++] = VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
+            demo->extension_names[demo->enabled_extension_count++] =
+                VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
         }
 #else  // _WIN32
-        if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             platformSurfaceExtFound = 1;
-            demo->extension_names[demo->enabled_extension_count++] = VK_KHR_XCB_SURFACE_EXTENSION_NAME;
+            demo->extension_names[demo->enabled_extension_count++] =
+                VK_KHR_XCB_SURFACE_EXTENSION_NAME;
         }
 #endif // _WIN32
-        if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME, instance_extensions[i].extensionName)) {
+        if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
+                    instance_extensions[i].extensionName)) {
             if (demo->validate) {
-                demo->extension_names[demo->enabled_extension_count++] = VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
+                demo->extension_names[demo->enabled_extension_count++] =
+                    VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
             }
         }
         assert(demo->enabled_extension_count < 64);
     }
     if (!surfaceExtFound) {
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-                 VK_KHR_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
@@ -1837,19 +1822,21 @@
     }
     if (!platformSurfaceExtFound) {
 #ifdef _WIN32
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-            VK_KHR_WIN32_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
-            "Vulkan installable client driver (ICD) installed?\nPlease "
-            "look at the Getting Started guide for additional "
-            "information.\n",
-            "vkCreateInstance Failure");
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_WIN32_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
+                 "Vulkan installable client driver (ICD) installed?\nPlease "
+                 "look at the Getting Started guide for additional "
+                 "information.\n",
+                 "vkCreateInstance Failure");
 #else  // _WIN32
-        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the "
-            VK_KHR_XCB_SURFACE_EXTENSION_NAME" extension.\n\nDo you have a compatible "
-            "Vulkan installable client driver (ICD) installed?\nPlease "
-            "look at the Getting Started guide for additional "
-            "information.\n",
-            "vkCreateInstance Failure");
+        ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
+                 "the " VK_KHR_XCB_SURFACE_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
+                 "Vulkan installable client driver (ICD) installed?\nPlease "
+                 "look at the Getting Started guide for additional "
+                 "information.\n",
+                 "vkCreateInstance Failure");
 #endif // _WIN32
     }
     const VkApplicationInfo app = {
@@ -1866,9 +1853,9 @@
         .pNext = NULL,
         .pApplicationInfo = &app,
         .enabledLayerCount = demo->enabled_layer_count,
-        .ppEnabledLayerNames = (const char *const*) instance_validation_layers,
+        .ppEnabledLayerNames = (const char *const *)instance_validation_layers,
         .enabledExtensionCount = demo->enabled_extension_count,
-        .ppEnabledExtensionNames = (const char *const*) demo->extension_names,
+        .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
     };
 
     uint32_t gpu_count;
@@ -1911,15 +1898,18 @@
     validation_found = 0;
     demo->enabled_layer_count = 0;
     uint32_t device_layer_count = 0;
-    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, NULL);
+    err =
+        vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, NULL);
     assert(!err);
 
     device_layers = malloc(sizeof(VkLayerProperties) * device_layer_count);
-    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, device_layers);
+    err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count,
+                                           device_layers);
     assert(!err);
 
     if (demo->validate) {
-        validation_found = demo_check_layers(device_validation_layer_count, demo->device_validation_layers,
+        validation_found = demo_check_layers(device_validation_layer_count,
+                                             demo->device_validation_layers,
                                              device_layer_count, device_layers);
         if (!validation_found) {
             ERR_EXIT("vkEnumerateDeviceLayerProperties failed to find "
@@ -1933,28 +1923,32 @@
 
     uint32_t device_extension_count = 0;
     VkExtensionProperties *device_extensions = NULL;
-    err = vkEnumerateDeviceExtensionProperties(
-              demo->gpu, NULL, &device_extension_count, NULL);
+    err = vkEnumerateDeviceExtensionProperties(demo->gpu, NULL,
+                                               &device_extension_count, NULL);
     assert(!err);
 
     VkBool32 swapchainExtFound = 0;
     demo->enabled_extension_count = 0;
     memset(demo->extension_names, 0, sizeof(demo->extension_names));
-    device_extensions = malloc(sizeof(VkExtensionProperties) * device_extension_count);
+    device_extensions =
+        malloc(sizeof(VkExtensionProperties) * device_extension_count);
     err = vkEnumerateDeviceExtensionProperties(
-              demo->gpu, NULL, &device_extension_count, device_extensions);
+        demo->gpu, NULL, &device_extension_count, device_extensions);
     assert(!err);
 
     for (uint32_t i = 0; i < device_extension_count; i++) {
-        if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME, device_extensions[i].extensionName)) {
+        if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME,
+                    device_extensions[i].extensionName)) {
             swapchainExtFound = 1;
-            demo->extension_names[demo->enabled_extension_count++] = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
+            demo->extension_names[demo->enabled_extension_count++] =
+                VK_KHR_SWAPCHAIN_EXTENSION_NAME;
         }
         assert(demo->enabled_extension_count < 64);
     }
     if (!swapchainExtFound) {
-        ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find the "
-                 VK_KHR_SWAPCHAIN_EXTENSION_NAME" extension.\n\nDo you have a compatible "
+        ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find "
+                 "the " VK_KHR_SWAPCHAIN_EXTENSION_NAME
+                 " extension.\n\nDo you have a compatible "
                  "Vulkan installable client driver (ICD) installed?\nPlease "
                  "look at the Getting Started guide for additional "
                  "information.\n",
@@ -1962,22 +1956,23 @@
     }
 
     if (demo->validate) {
-        demo->CreateDebugReportCallback = (PFN_vkCreateDebugReportCallbackEXT) vkGetInstanceProcAddr(demo->inst, "vkCreateDebugReportCallbackEXT");
+        demo->CreateDebugReportCallback =
+            (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(
+                demo->inst, "vkCreateDebugReportCallbackEXT");
         if (!demo->CreateDebugReportCallback) {
-            ERR_EXIT("GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
-                     "vkGetProcAddr Failure");
+            ERR_EXIT(
+                "GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
+                "vkGetProcAddr Failure");
         }
         VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
         dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
-        dbgCreateInfo.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARN_BIT_EXT;
+        dbgCreateInfo.flags =
+            VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARN_BIT_EXT;
         dbgCreateInfo.pfnCallback = dbgFunc;
         dbgCreateInfo.pUserData = NULL;
         dbgCreateInfo.pNext = NULL;
-        err = demo->CreateDebugReportCallback(
-                  demo->inst,
-                  &dbgCreateInfo,
-                  NULL,
-                  &demo->msg_callback);
+        err = demo->CreateDebugReportCallback(demo->inst, &dbgCreateInfo, NULL,
+                                              &demo->msg_callback);
         switch (err) {
         case VK_SUCCESS:
             break;
@@ -2007,10 +2002,13 @@
     vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props);
 
     // Query with NULL data to get count
-    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, NULL);
+    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
+                                             NULL);
 
-    demo->queue_props = (VkQueueFamilyProperties *) malloc(demo->queue_count * sizeof(VkQueueFamilyProperties));
-    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, demo->queue_props);
+    demo->queue_props = (VkQueueFamilyProperties *)malloc(
+        demo->queue_count * sizeof(VkQueueFamilyProperties));
+    vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
+                                             demo->queue_props);
     assert(demo->queue_count >= 1);
 
     // Graphics queue and MemMgr queue can be separate.
@@ -2018,18 +2016,16 @@
     //       and appropriate tracking for QueueSubmit
 }
 
-static void demo_init_device(struct demo *demo)
-{
+static void demo_init_device(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
 
-    float queue_priorities[1] = { 0.0 };
+    float queue_priorities[1] = {0.0};
     const VkDeviceQueueCreateInfo queue = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
         .pNext = NULL,
         .queueFamilyIndex = demo->graphics_queue_node_index,
         .queueCount = 1,
-        .pQueuePriorities = queue_priorities
-    };
+        .pQueuePriorities = queue_priorities};
 
     VkDeviceCreateInfo device = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
@@ -2037,21 +2033,23 @@
         .queueCreateInfoCount = 1,
         .pQueueCreateInfos = &queue,
         .enabledLayerCount = demo->enabled_layer_count,
-        .ppEnabledLayerNames = (const char *const*) ((demo->validate) ? demo->device_validation_layers : NULL),
+        .ppEnabledLayerNames =
+            (const char *const *)((demo->validate)
+                                      ? demo->device_validation_layers
+                                      : NULL),
         .enabledExtensionCount = demo->enabled_extension_count,
-        .ppEnabledExtensionNames = (const char *const*) demo->extension_names,
+        .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
     };
 
     err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device);
     assert(!err);
 }
 
-static void demo_init_vk_swapchain(struct demo *demo)
-{
+static void demo_init_vk_swapchain(struct demo *demo) {
     VkResult U_ASSERT_ONLY err;
     uint32_t i;
 
-    // Create a WSI surface for the window:
+// Create a WSI surface for the window:
 #ifdef _WIN32
     VkWin32SurfaceCreateInfoKHR createInfo;
     createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
@@ -2060,8 +2058,8 @@
     createInfo.hinstance = demo->connection;
     createInfo.hwnd = demo->window;
 
-    err = vkCreateWin32SurfaceKHR(demo->inst, &createInfo,
-                                  NULL, &demo->surface);
+    err =
+        vkCreateWin32SurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
 
 #else  // _WIN32
     VkXcbSurfaceCreateInfoKHR createInfo;
@@ -2071,28 +2069,27 @@
     createInfo.connection = demo->connection;
     createInfo.window = demo->window;
 
-    err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo,
-                                NULL, &demo->surface);
+    err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
 #endif // _WIN32
 
     // Iterate over each queue to learn whether it supports presenting:
-    VkBool32* supportsPresent = (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
+    VkBool32 *supportsPresent =
+        (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
     for (i = 0; i < demo->queue_count; i++) {
-        demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i,
-                                                   demo->surface,
+        demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface,
                                                    &supportsPresent[i]);
     }
 
     // Search for a graphics and a present queue in the array of queue
     // families, try to find one that supports both
     uint32_t graphicsQueueNodeIndex = UINT32_MAX;
-    uint32_t presentQueueNodeIndex  = UINT32_MAX;
+    uint32_t presentQueueNodeIndex = UINT32_MAX;
     for (i = 0; i < demo->queue_count; i++) {
         if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
             if (graphicsQueueNodeIndex == UINT32_MAX) {
                 graphicsQueueNodeIndex = i;
             }
-            
+
             if (supportsPresent[i] == VK_TRUE) {
                 graphicsQueueNodeIndex = i;
                 presentQueueNodeIndex = i;
@@ -2113,7 +2110,8 @@
     free(supportsPresent);
 
     // Generate error if could not find both a graphics and a present queue
-    if (graphicsQueueNodeIndex == UINT32_MAX || presentQueueNodeIndex == UINT32_MAX) {
+    if (graphicsQueueNodeIndex == UINT32_MAX ||
+        presentQueueNodeIndex == UINT32_MAX) {
         ERR_EXIT("Could not find a graphics and a present queue\n",
                  "Swapchain Initialization Failure");
     }
@@ -2132,30 +2130,25 @@
 
     demo_init_device(demo);
 
-    vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index,
-            0, &demo->queue);
+    vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, 0,
+                     &demo->queue);
 
     // Get the list of VkFormat's that are supported:
     uint32_t formatCount;
-    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu,
-                                                     demo->surface,
+    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
                                                      &formatCount, NULL);
     assert(!err);
     VkSurfaceFormatKHR *surfFormats =
         (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
-    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu,
-                                                     demo->surface,
+    err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
                                                      &formatCount, surfFormats);
     assert(!err);
     // If the format list includes just one entry of VK_FORMAT_UNDEFINED,
     // the surface has no preferred format.  Otherwise, at least one
     // supported format will be returned.
-    if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED)
-    {
+    if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
         demo->format = VK_FORMAT_B8G8R8A8_UNORM;
-    }
-    else
-    {
+    } else {
         assert(formatCount >= 1);
         demo->format = surfFormats[0].format;
     }
@@ -2165,8 +2158,7 @@
     vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties);
 }
 
-static void demo_init_connection(struct demo *demo)
-{
+static void demo_init_connection(struct demo *demo) {
 #ifndef _WIN32
     const xcb_setup_t *setup;
     xcb_screen_iterator_t iter;
@@ -2230,8 +2222,7 @@
     demo->depthIncrement = -0.01f;
 }
 
-static void demo_cleanup(struct demo *demo)
-{
+static void demo_cleanup(struct demo *demo) {
     uint32_t i;
 
     demo->prepared = false;
@@ -2287,8 +2278,7 @@
 #endif // _WIN32
 }
 
-static void demo_resize(struct demo *demo)
-{
+static void demo_resize(struct demo *demo) {
     uint32_t i;
 
     // Don't react to resize until after first initialization.
@@ -2344,13 +2334,10 @@
 }
 
 #ifdef _WIN32
-int APIENTRY WinMain(HINSTANCE hInstance,
-                     HINSTANCE hPrevInstance,
-                     LPSTR pCmdLine,
-                     int nCmdShow)
-{
-    MSG msg;         // message
-    bool done;        // flag saying when app is complete
+int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
+                     LPSTR pCmdLine, int nCmdShow) {
+    MSG msg;   // message
+    bool done; // flag saying when app is complete
 
     demo_init(&demo, hInstance, pCmdLine);
     demo_create_window(&demo);
@@ -2358,19 +2345,16 @@
 
     demo_prepare(&demo);
 
-    done = false; //initialize loop condition variable
+    done = false; // initialize loop condition variable
     /* main message loop*/
-    while(!done)
-    {
+    while (!done) {
         PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
-        if (msg.message == WM_QUIT) //check for a quit message
+        if (msg.message == WM_QUIT) // check for a quit message
         {
-            done = true; //if found, quit app
-        }
-        else
-        {
+            done = true; // if found, quit app
+        } else {
             /* Translate and dispatch to event queue*/
-            TranslateMessage(&msg); 
+            TranslateMessage(&msg);
             DispatchMessage(&msg);
         }
         RedrawWindow(demo.window, NULL, NULL, RDW_INTERNALPAINT);
@@ -2378,11 +2362,10 @@
 
     demo_cleanup(&demo);
 
-    return (int) msg.wParam;
+    return (int)msg.wParam;
 }
 #else  // _WIN32
-int main(const int argc, const char *argv[])
-{
+int main(const int argc, const char *argv[]) {
     struct demo demo;
 
     demo_init(&demo, argc, argv);
diff --git a/demos/tri.frag b/demos/tri.frag
index 564abe8..02fd0ee 100644
--- a/demos/tri.frag
+++ b/demos/tri.frag
@@ -1,4 +1,32 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
+ *
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+/*
  * Fragment shader for tri demo
  */
 #version 400
diff --git a/demos/tri.vert b/demos/tri.vert
index 2d73139..7fc5a21 100644
--- a/demos/tri.vert
+++ b/demos/tri.vert
@@ -1,4 +1,32 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
+ *
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+/*
  * Vertex shader used by tri demo.
  */
 #version 400
diff --git a/demos/vulkaninfo.c b/demos/vulkaninfo.c
index 8b13ab4..983288c 100644
--- a/demos/vulkaninfo.c
+++ b/demos/vulkaninfo.c
@@ -1,25 +1,30 @@
 /*
+ * Copyright (c) 2015-2016 The Khronos Group Inc.
+ * Copyright (c) 2015-2016 Valve Corporation
+ * Copyright (c) 2015-2016 LunarG, Inc.
  *
- * Copyright (C) 2015 Valve Corporation
- * Copyright (C) 2015 Google Inc.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and/or associated documentation files (the "Materials"), to
+ * deal in the Materials without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Materials, and to permit persons to whom the Materials are
+ * furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
+ * The above copyright notice(s) and this permission notice shall be included in
+ * all copies or substantial portions of the Materials.
  *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
+ * The Materials are Confidential Information as defined by the Khronos
+ * Membership Agreement until designated non-confidential by Khronos, at which
+ * point this condition clause shall be removed.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
+ * USE OR OTHER DEALINGS IN THE MATERIALS.
  *
  * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
  * Author: David Pinedo <david@lunarg.com>
@@ -37,12 +42,12 @@
 #include <io.h>
 #endif // _WIN32
 
-
 #include <vulkan/vulkan.h>
 #include <vulkan/vk_ext_debug_report.h>
 
-#define ERR(err) printf("%s:%d: failed with %s\n", \
-    __FILE__, __LINE__, vk_result_string(err));
+#define ERR(err)                                                               \
+    printf("%s:%d: failed with %s\n", __FILE__, __LINE__,                      \
+           vk_result_string(err));
 
 #ifdef _WIN32
 
@@ -50,23 +55,22 @@
 
 bool consoleCreated = false;
 
-#define WAIT_FOR_CONSOLE_DESTROY \
-    do { \
-        if (consoleCreated) \
-            Sleep(INFINITE); \
+#define WAIT_FOR_CONSOLE_DESTROY                                               \
+    do {                                                                       \
+        if (consoleCreated)                                                    \
+            Sleep(INFINITE);                                                   \
     } while (0)
 #else
-    #define WAIT_FOR_CONSOLE_DESTROY
+#define WAIT_FOR_CONSOLE_DESTROY
 #endif
 
-
-#define ERR_EXIT(err) \
-    do { \
-        ERR(err); \
-        fflush(stdout); \
-        WAIT_FOR_CONSOLE_DESTROY; \
-        exit(-1); \
-   } while (0)
+#define ERR_EXIT(err)                                                          \
+    do {                                                                       \
+        ERR(err);                                                              \
+        fflush(stdout);                                                        \
+        WAIT_FOR_CONSOLE_DESTROY;                                              \
+        exit(-1);                                                              \
+    } while (0)
 
 #if defined(NDEBUG) && defined(__GNUC__)
 #define U_ASSERT_ONLY __attribute__((unused))
@@ -88,7 +92,6 @@
 
     VkDevice obj;
 
-
     VkFormatProperties format_props[VK_FORMAT_RANGE_SIZE];
 };
 
@@ -99,7 +102,7 @@
 };
 
 struct app_instance {
-    VkInstance  instance;
+    VkInstance instance;
     uint32_t global_layer_count;
     struct layer_extension_list *global_layers;
     uint32_t global_extension_count;
@@ -129,32 +132,29 @@
     struct app_dev dev;
 };
 
-static VKAPI_ATTR VkBool32 VKAPI_CALL dbg_callback(
-    VkFlags                             msgFlags,
-    VkDebugReportObjectTypeEXT          objType,
-    uint64_t                            srcObject,
-    size_t                              location,
-    int32_t                             msgCode,
-    const char*                         pLayerPrefix,
-    const char*                         pMsg,
-    void*                               pUserData)
-{
-    char *message = (char *) malloc(strlen(pMsg)+100);
+static VKAPI_ATTR VkBool32 VKAPI_CALL
+dbg_callback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
+             uint64_t srcObject, size_t location, int32_t msgCode,
+             const char *pLayerPrefix, const char *pMsg, void *pUserData) {
+    char *message = (char *)malloc(strlen(pMsg) + 100);
 
-    assert (message);
+    assert(message);
 
     if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
-        sprintf(message,"ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else if (msgFlags & VK_DEBUG_REPORT_WARN_BIT_EXT) {
-        sprintf(message,"WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else if (msgFlags & VK_DEBUG_REPORT_INFO_BIT_EXT) {
-        sprintf(message,"INFO: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "INFO: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     } else if (msgFlags & VK_DEBUG_REPORT_DEBUG_BIT_EXT) {
-        sprintf(message,"DEBUG: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
+        sprintf(message, "DEBUG: [%s] Code %d : %s", pLayerPrefix, msgCode,
+                pMsg);
     }
 
-
-    printf("%s\n",message);
+    printf("%s\n", message);
     fflush(stdout);
     free(message);
 
@@ -168,268 +168,273 @@
     return false;
 }
 
-static const char *vk_result_string(VkResult err)
-{
+static const char *vk_result_string(VkResult err) {
     switch (err) {
-#define STR(r) case r: return #r
-    STR(VK_SUCCESS);
-    STR(VK_NOT_READY);
-    STR(VK_TIMEOUT);
-    STR(VK_EVENT_SET);
-    STR(VK_EVENT_RESET);
-    STR(VK_ERROR_INITIALIZATION_FAILED);
-    STR(VK_ERROR_OUT_OF_HOST_MEMORY);
-    STR(VK_ERROR_OUT_OF_DEVICE_MEMORY);
-    STR(VK_ERROR_DEVICE_LOST);
-    STR(VK_ERROR_LAYER_NOT_PRESENT);
-    STR(VK_ERROR_EXTENSION_NOT_PRESENT);
-    STR(VK_ERROR_MEMORY_MAP_FAILED);
-    STR(VK_ERROR_INCOMPATIBLE_DRIVER);
+#define STR(r)                                                                 \
+    case r:                                                                    \
+        return #r
+        STR(VK_SUCCESS);
+        STR(VK_NOT_READY);
+        STR(VK_TIMEOUT);
+        STR(VK_EVENT_SET);
+        STR(VK_EVENT_RESET);
+        STR(VK_ERROR_INITIALIZATION_FAILED);
+        STR(VK_ERROR_OUT_OF_HOST_MEMORY);
+        STR(VK_ERROR_OUT_OF_DEVICE_MEMORY);
+        STR(VK_ERROR_DEVICE_LOST);
+        STR(VK_ERROR_LAYER_NOT_PRESENT);
+        STR(VK_ERROR_EXTENSION_NOT_PRESENT);
+        STR(VK_ERROR_MEMORY_MAP_FAILED);
+        STR(VK_ERROR_INCOMPATIBLE_DRIVER);
 #undef STR
-    default: return "UNKNOWN_RESULT";
+    default:
+        return "UNKNOWN_RESULT";
     }
 }
 
-static const char *vk_physical_device_type_string(VkPhysicalDeviceType type)
-{
+static const char *vk_physical_device_type_string(VkPhysicalDeviceType type) {
     switch (type) {
-#define STR(r) case VK_PHYSICAL_DEVICE_TYPE_ ##r: return #r
-    STR(OTHER);
-    STR(INTEGRATED_GPU);
-    STR(DISCRETE_GPU);
-    STR(VIRTUAL_GPU);
+#define STR(r)                                                                 \
+    case VK_PHYSICAL_DEVICE_TYPE_##r:                                          \
+        return #r
+        STR(OTHER);
+        STR(INTEGRATED_GPU);
+        STR(DISCRETE_GPU);
+        STR(VIRTUAL_GPU);
 #undef STR
-    default: return "UNKNOWN_DEVICE";
+    default:
+        return "UNKNOWN_DEVICE";
     }
 }
 
-static const char *vk_format_string(VkFormat fmt)
-{
+static const char *vk_format_string(VkFormat fmt) {
     switch (fmt) {
-#define STR(r) case VK_FORMAT_ ##r: return #r
-    STR(UNDEFINED);
-    STR(R4G4_UNORM_PACK8);
-    STR(R4G4B4A4_UNORM_PACK16);
-    STR(B4G4R4A4_UNORM_PACK16);
-    STR(R5G6B5_UNORM_PACK16);
-    STR(B5G6R5_UNORM_PACK16);
-    STR(R5G5B5A1_UNORM_PACK16);
-    STR(B5G5R5A1_UNORM_PACK16);
-    STR(A1R5G5B5_UNORM_PACK16);
-    STR(R8_UNORM);
-    STR(R8_SNORM);
-    STR(R8_USCALED);
-    STR(R8_SSCALED);
-    STR(R8_UINT);
-    STR(R8_SINT);
-    STR(R8_SRGB);
-    STR(R8G8_UNORM);
-    STR(R8G8_SNORM);
-    STR(R8G8_USCALED);
-    STR(R8G8_SSCALED);
-    STR(R8G8_UINT);
-    STR(R8G8_SINT);
-    STR(R8G8_SRGB);
-    STR(R8G8B8_UNORM);
-    STR(R8G8B8_SNORM);
-    STR(R8G8B8_USCALED);
-    STR(R8G8B8_SSCALED);
-    STR(R8G8B8_UINT);
-    STR(R8G8B8_SINT);
-    STR(R8G8B8_SRGB);
-    STR(B8G8R8_UNORM);
-    STR(B8G8R8_SNORM);
-    STR(B8G8R8_USCALED);
-    STR(B8G8R8_SSCALED);
-    STR(B8G8R8_UINT);
-    STR(B8G8R8_SINT);
-    STR(B8G8R8_SRGB);
-    STR(R8G8B8A8_UNORM);
-    STR(R8G8B8A8_SNORM);
-    STR(R8G8B8A8_USCALED);
-    STR(R8G8B8A8_SSCALED);
-    STR(R8G8B8A8_UINT);
-    STR(R8G8B8A8_SINT);
-    STR(R8G8B8A8_SRGB);
-    STR(B8G8R8A8_UNORM);
-    STR(B8G8R8A8_SNORM);
-    STR(B8G8R8A8_USCALED);
-    STR(B8G8R8A8_SSCALED);
-    STR(B8G8R8A8_UINT);
-    STR(B8G8R8A8_SINT);
-    STR(B8G8R8A8_SRGB);
-    STR(A8B8G8R8_UNORM_PACK32);
-    STR(A8B8G8R8_SNORM_PACK32);
-    STR(A8B8G8R8_USCALED_PACK32);
-    STR(A8B8G8R8_SSCALED_PACK32);
-    STR(A8B8G8R8_UINT_PACK32);
-    STR(A8B8G8R8_SINT_PACK32);
-    STR(A8B8G8R8_SRGB_PACK32);
-    STR(A2R10G10B10_UNORM_PACK32);
-    STR(A2R10G10B10_SNORM_PACK32);
-    STR(A2R10G10B10_USCALED_PACK32);
-    STR(A2R10G10B10_SSCALED_PACK32);
-    STR(A2R10G10B10_UINT_PACK32);
-    STR(A2R10G10B10_SINT_PACK32);
-    STR(A2B10G10R10_UNORM_PACK32);
-    STR(A2B10G10R10_SNORM_PACK32);
-    STR(A2B10G10R10_USCALED_PACK32);
-    STR(A2B10G10R10_SSCALED_PACK32);
-    STR(A2B10G10R10_UINT_PACK32);
-    STR(A2B10G10R10_SINT_PACK32);
-    STR(R16_UNORM);
-    STR(R16_SNORM);
-    STR(R16_USCALED);
-    STR(R16_SSCALED);
-    STR(R16_UINT);
-    STR(R16_SINT);
-    STR(R16_SFLOAT);
-    STR(R16G16_UNORM);
-    STR(R16G16_SNORM);
-    STR(R16G16_USCALED);
-    STR(R16G16_SSCALED);
-    STR(R16G16_UINT);
-    STR(R16G16_SINT);
-    STR(R16G16_SFLOAT);
-    STR(R16G16B16_UNORM);
-    STR(R16G16B16_SNORM);
-    STR(R16G16B16_USCALED);
-    STR(R16G16B16_SSCALED);
-    STR(R16G16B16_UINT);
-    STR(R16G16B16_SINT);
-    STR(R16G16B16_SFLOAT);
-    STR(R16G16B16A16_UNORM);
-    STR(R16G16B16A16_SNORM);
-    STR(R16G16B16A16_USCALED);
-    STR(R16G16B16A16_SSCALED);
-    STR(R16G16B16A16_UINT);
-    STR(R16G16B16A16_SINT);
-    STR(R16G16B16A16_SFLOAT);
-    STR(R32_UINT);
-    STR(R32_SINT);
-    STR(R32_SFLOAT);
-    STR(R32G32_UINT);
-    STR(R32G32_SINT);
-    STR(R32G32_SFLOAT);
-    STR(R32G32B32_UINT);
-    STR(R32G32B32_SINT);
-    STR(R32G32B32_SFLOAT);
-    STR(R32G32B32A32_UINT);
-    STR(R32G32B32A32_SINT);
-    STR(R32G32B32A32_SFLOAT);
-    STR(R64_UINT);
-    STR(R64_SINT);
-    STR(R64_SFLOAT);
-    STR(R64G64_UINT);
-    STR(R64G64_SINT);
-    STR(R64G64_SFLOAT);
-    STR(R64G64B64_UINT);
-    STR(R64G64B64_SINT);
-    STR(R64G64B64_SFLOAT);
-    STR(R64G64B64A64_UINT);
-    STR(R64G64B64A64_SINT);
-    STR(R64G64B64A64_SFLOAT);
-    STR(B10G11R11_UFLOAT_PACK32);
-    STR(E5B9G9R9_UFLOAT_PACK32);
-    STR(D16_UNORM);
-    STR(X8_D24_UNORM_PACK32);
-    STR(D32_SFLOAT);
-    STR(S8_UINT);
-    STR(D16_UNORM_S8_UINT);
-    STR(D24_UNORM_S8_UINT);
-    STR(D32_SFLOAT_S8_UINT);
-    STR(BC1_RGB_UNORM_BLOCK);
-    STR(BC1_RGB_SRGB_BLOCK);
-    STR(BC2_UNORM_BLOCK);
-    STR(BC2_SRGB_BLOCK);
-    STR(BC3_UNORM_BLOCK);
-    STR(BC3_SRGB_BLOCK);
-    STR(BC4_UNORM_BLOCK);
-    STR(BC4_SNORM_BLOCK);
-    STR(BC5_UNORM_BLOCK);
-    STR(BC5_SNORM_BLOCK);
-    STR(BC6H_UFLOAT_BLOCK);
-    STR(BC6H_SFLOAT_BLOCK);
-    STR(BC7_UNORM_BLOCK);
-    STR(BC7_SRGB_BLOCK);
-    STR(ETC2_R8G8B8_UNORM_BLOCK);
-    STR(ETC2_R8G8B8A1_UNORM_BLOCK);
-    STR(ETC2_R8G8B8A8_UNORM_BLOCK);
-    STR(EAC_R11_UNORM_BLOCK);
-    STR(EAC_R11_SNORM_BLOCK);
-    STR(EAC_R11G11_UNORM_BLOCK);
-    STR(EAC_R11G11_SNORM_BLOCK);
-    STR(ASTC_4x4_UNORM_BLOCK);
-    STR(ASTC_4x4_SRGB_BLOCK);
-    STR(ASTC_5x4_UNORM_BLOCK);
-    STR(ASTC_5x4_SRGB_BLOCK);
-    STR(ASTC_5x5_UNORM_BLOCK);
-    STR(ASTC_5x5_SRGB_BLOCK);
-    STR(ASTC_6x5_UNORM_BLOCK);
-    STR(ASTC_6x5_SRGB_BLOCK);
-    STR(ASTC_6x6_UNORM_BLOCK);
-    STR(ASTC_6x6_SRGB_BLOCK);
-    STR(ASTC_8x5_UNORM_BLOCK);
-    STR(ASTC_8x5_SRGB_BLOCK);
-    STR(ASTC_8x6_UNORM_BLOCK);
-    STR(ASTC_8x6_SRGB_BLOCK);
-    STR(ASTC_8x8_UNORM_BLOCK);
-    STR(ASTC_8x8_SRGB_BLOCK);
-    STR(ASTC_10x5_UNORM_BLOCK);
-    STR(ASTC_10x5_SRGB_BLOCK);
-    STR(ASTC_10x6_UNORM_BLOCK);
-    STR(ASTC_10x6_SRGB_BLOCK);
-    STR(ASTC_10x8_UNORM_BLOCK);
-    STR(ASTC_10x8_SRGB_BLOCK);
-    STR(ASTC_10x10_UNORM_BLOCK);
-    STR(ASTC_10x10_SRGB_BLOCK);
-    STR(ASTC_12x10_UNORM_BLOCK);
-    STR(ASTC_12x10_SRGB_BLOCK);
-    STR(ASTC_12x12_UNORM_BLOCK);
-    STR(ASTC_12x12_SRGB_BLOCK);
+#define STR(r)                                                                 \
+    case VK_FORMAT_##r:                                                        \
+        return #r
+        STR(UNDEFINED);
+        STR(R4G4_UNORM_PACK8);
+        STR(R4G4B4A4_UNORM_PACK16);
+        STR(B4G4R4A4_UNORM_PACK16);
+        STR(R5G6B5_UNORM_PACK16);
+        STR(B5G6R5_UNORM_PACK16);
+        STR(R5G5B5A1_UNORM_PACK16);
+        STR(B5G5R5A1_UNORM_PACK16);
+        STR(A1R5G5B5_UNORM_PACK16);
+        STR(R8_UNORM);
+        STR(R8_SNORM);
+        STR(R8_USCALED);
+        STR(R8_SSCALED);
+        STR(R8_UINT);
+        STR(R8_SINT);
+        STR(R8_SRGB);
+        STR(R8G8_UNORM);
+        STR(R8G8_SNORM);
+        STR(R8G8_USCALED);
+        STR(R8G8_SSCALED);
+        STR(R8G8_UINT);
+        STR(R8G8_SINT);
+        STR(R8G8_SRGB);
+        STR(R8G8B8_UNORM);
+        STR(R8G8B8_SNORM);
+        STR(R8G8B8_USCALED);
+        STR(R8G8B8_SSCALED);
+        STR(R8G8B8_UINT);
+        STR(R8G8B8_SINT);
+        STR(R8G8B8_SRGB);
+        STR(B8G8R8_UNORM);
+        STR(B8G8R8_SNORM);
+        STR(B8G8R8_USCALED);
+        STR(B8G8R8_SSCALED);
+        STR(B8G8R8_UINT);
+        STR(B8G8R8_SINT);
+        STR(B8G8R8_SRGB);
+        STR(R8G8B8A8_UNORM);
+        STR(R8G8B8A8_SNORM);
+        STR(R8G8B8A8_USCALED);
+        STR(R8G8B8A8_SSCALED);
+        STR(R8G8B8A8_UINT);
+        STR(R8G8B8A8_SINT);
+        STR(R8G8B8A8_SRGB);
+        STR(B8G8R8A8_UNORM);
+        STR(B8G8R8A8_SNORM);
+        STR(B8G8R8A8_USCALED);
+        STR(B8G8R8A8_SSCALED);
+        STR(B8G8R8A8_UINT);
+        STR(B8G8R8A8_SINT);
+        STR(B8G8R8A8_SRGB);
+        STR(A8B8G8R8_UNORM_PACK32);
+        STR(A8B8G8R8_SNORM_PACK32);
+        STR(A8B8G8R8_USCALED_PACK32);
+        STR(A8B8G8R8_SSCALED_PACK32);
+        STR(A8B8G8R8_UINT_PACK32);
+        STR(A8B8G8R8_SINT_PACK32);
+        STR(A8B8G8R8_SRGB_PACK32);
+        STR(A2R10G10B10_UNORM_PACK32);
+        STR(A2R10G10B10_SNORM_PACK32);
+        STR(A2R10G10B10_USCALED_PACK32);
+        STR(A2R10G10B10_SSCALED_PACK32);
+        STR(A2R10G10B10_UINT_PACK32);
+        STR(A2R10G10B10_SINT_PACK32);
+        STR(A2B10G10R10_UNORM_PACK32);
+        STR(A2B10G10R10_SNORM_PACK32);
+        STR(A2B10G10R10_USCALED_PACK32);
+        STR(A2B10G10R10_SSCALED_PACK32);
+        STR(A2B10G10R10_UINT_PACK32);
+        STR(A2B10G10R10_SINT_PACK32);
+        STR(R16_UNORM);
+        STR(R16_SNORM);
+        STR(R16_USCALED);
+        STR(R16_SSCALED);
+        STR(R16_UINT);
+        STR(R16_SINT);
+        STR(R16_SFLOAT);
+        STR(R16G16_UNORM);
+        STR(R16G16_SNORM);
+        STR(R16G16_USCALED);
+        STR(R16G16_SSCALED);
+        STR(R16G16_UINT);
+        STR(R16G16_SINT);
+        STR(R16G16_SFLOAT);
+        STR(R16G16B16_UNORM);
+        STR(R16G16B16_SNORM);
+        STR(R16G16B16_USCALED);
+        STR(R16G16B16_SSCALED);
+        STR(R16G16B16_UINT);
+        STR(R16G16B16_SINT);
+        STR(R16G16B16_SFLOAT);
+        STR(R16G16B16A16_UNORM);
+        STR(R16G16B16A16_SNORM);
+        STR(R16G16B16A16_USCALED);
+        STR(R16G16B16A16_SSCALED);
+        STR(R16G16B16A16_UINT);
+        STR(R16G16B16A16_SINT);
+        STR(R16G16B16A16_SFLOAT);
+        STR(R32_UINT);
+        STR(R32_SINT);
+        STR(R32_SFLOAT);
+        STR(R32G32_UINT);
+        STR(R32G32_SINT);
+        STR(R32G32_SFLOAT);
+        STR(R32G32B32_UINT);
+        STR(R32G32B32_SINT);
+        STR(R32G32B32_SFLOAT);
+        STR(R32G32B32A32_UINT);
+        STR(R32G32B32A32_SINT);
+        STR(R32G32B32A32_SFLOAT);
+        STR(R64_UINT);
+        STR(R64_SINT);
+        STR(R64_SFLOAT);
+        STR(R64G64_UINT);
+        STR(R64G64_SINT);
+        STR(R64G64_SFLOAT);
+        STR(R64G64B64_UINT);
+        STR(R64G64B64_SINT);
+        STR(R64G64B64_SFLOAT);
+        STR(R64G64B64A64_UINT);
+        STR(R64G64B64A64_SINT);
+        STR(R64G64B64A64_SFLOAT);
+        STR(B10G11R11_UFLOAT_PACK32);
+        STR(E5B9G9R9_UFLOAT_PACK32);
+        STR(D16_UNORM);
+        STR(X8_D24_UNORM_PACK32);
+        STR(D32_SFLOAT);
+        STR(S8_UINT);
+        STR(D16_UNORM_S8_UINT);
+        STR(D24_UNORM_S8_UINT);
+        STR(D32_SFLOAT_S8_UINT);
+        STR(BC1_RGB_UNORM_BLOCK);
+        STR(BC1_RGB_SRGB_BLOCK);
+        STR(BC2_UNORM_BLOCK);
+        STR(BC2_SRGB_BLOCK);
+        STR(BC3_UNORM_BLOCK);
+        STR(BC3_SRGB_BLOCK);
+        STR(BC4_UNORM_BLOCK);
+        STR(BC4_SNORM_BLOCK);
+        STR(BC5_UNORM_BLOCK);
+        STR(BC5_SNORM_BLOCK);
+        STR(BC6H_UFLOAT_BLOCK);
+        STR(BC6H_SFLOAT_BLOCK);
+        STR(BC7_UNORM_BLOCK);
+        STR(BC7_SRGB_BLOCK);
+        STR(ETC2_R8G8B8_UNORM_BLOCK);
+        STR(ETC2_R8G8B8A1_UNORM_BLOCK);
+        STR(ETC2_R8G8B8A8_UNORM_BLOCK);
+        STR(EAC_R11_UNORM_BLOCK);
+        STR(EAC_R11_SNORM_BLOCK);
+        STR(EAC_R11G11_UNORM_BLOCK);
+        STR(EAC_R11G11_SNORM_BLOCK);
+        STR(ASTC_4x4_UNORM_BLOCK);
+        STR(ASTC_4x4_SRGB_BLOCK);
+        STR(ASTC_5x4_UNORM_BLOCK);
+        STR(ASTC_5x4_SRGB_BLOCK);
+        STR(ASTC_5x5_UNORM_BLOCK);
+        STR(ASTC_5x5_SRGB_BLOCK);
+        STR(ASTC_6x5_UNORM_BLOCK);
+        STR(ASTC_6x5_SRGB_BLOCK);
+        STR(ASTC_6x6_UNORM_BLOCK);
+        STR(ASTC_6x6_SRGB_BLOCK);
+        STR(ASTC_8x5_UNORM_BLOCK);
+        STR(ASTC_8x5_SRGB_BLOCK);
+        STR(ASTC_8x6_UNORM_BLOCK);
+        STR(ASTC_8x6_SRGB_BLOCK);
+        STR(ASTC_8x8_UNORM_BLOCK);
+        STR(ASTC_8x8_SRGB_BLOCK);
+        STR(ASTC_10x5_UNORM_BLOCK);
+        STR(ASTC_10x5_SRGB_BLOCK);
+        STR(ASTC_10x6_UNORM_BLOCK);
+        STR(ASTC_10x6_SRGB_BLOCK);
+        STR(ASTC_10x8_UNORM_BLOCK);
+        STR(ASTC_10x8_SRGB_BLOCK);
+        STR(ASTC_10x10_UNORM_BLOCK);
+        STR(ASTC_10x10_SRGB_BLOCK);
+        STR(ASTC_12x10_UNORM_BLOCK);
+        STR(ASTC_12x10_SRGB_BLOCK);
+        STR(ASTC_12x12_UNORM_BLOCK);
+        STR(ASTC_12x12_SRGB_BLOCK);
 #undef STR
-    default: return "UNKNOWN_FORMAT";
+    default:
+        return "UNKNOWN_FORMAT";
     }
 }
 
-static void app_dev_init_formats(struct app_dev *dev)
-{
+static void app_dev_init_formats(struct app_dev *dev) {
     VkFormat f;
 
     for (f = 0; f < VK_FORMAT_RANGE_SIZE; f++) {
         const VkFormat fmt = f;
 
-        vkGetPhysicalDeviceFormatProperties(dev->gpu->obj, fmt, &dev->format_props[f]);
+        vkGetPhysicalDeviceFormatProperties(dev->gpu->obj, fmt,
+                                            &dev->format_props[f]);
     }
 }
 
-static void extract_version(uint32_t version, uint32_t *major, uint32_t *minor, uint32_t *patch)
-{
+static void extract_version(uint32_t version, uint32_t *major, uint32_t *minor,
+                            uint32_t *patch) {
     *major = version >> 22;
     *minor = (version >> 12) & 0x3ff;
     *patch = version & 0xfff;
 }
 
 static void app_get_physical_device_layer_extensions(
-        struct app_gpu *gpu,
-        char *layer_name,
-        uint32_t *extension_count,
-        VkExtensionProperties **extension_properties)
-{
+    struct app_gpu *gpu, char *layer_name, uint32_t *extension_count,
+    VkExtensionProperties **extension_properties) {
     VkResult err;
     uint32_t ext_count = 0;
     VkExtensionProperties *ext_ptr = NULL;
 
     /* repeat get until VK_INCOMPLETE goes away */
     do {
-        err = vkEnumerateDeviceExtensionProperties(gpu->obj, layer_name, &ext_count, NULL);
+        err = vkEnumerateDeviceExtensionProperties(gpu->obj, layer_name,
+                                                   &ext_count, NULL);
         assert(!err);
 
         if (ext_ptr) {
             free(ext_ptr);
         }
         ext_ptr = malloc(ext_count * sizeof(VkExtensionProperties));
-        err = vkEnumerateDeviceExtensionProperties(gpu->obj, layer_name, &ext_count, ext_ptr);
+        err = vkEnumerateDeviceExtensionProperties(gpu->obj, layer_name,
+                                                   &ext_count, ext_ptr);
     } while (err == VK_INCOMPLETE);
     assert(!err);
 
@@ -437,8 +442,7 @@
     *extension_properties = ext_ptr;
 }
 
-static void app_dev_init(struct app_dev *dev, struct app_gpu *gpu)
-{
+static void app_dev_init(struct app_dev *dev, struct app_gpu *gpu) {
     VkDeviceCreateInfo info = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
         .pNext = NULL,
@@ -477,7 +481,8 @@
         device_layers = malloc(sizeof(struct layer_extension_list) * count);
         assert(device_layers);
 
-        err = vkEnumerateDeviceLayerProperties(gpu->obj, &count, device_layer_properties);
+        err = vkEnumerateDeviceLayerProperties(gpu->obj, &count,
+                                               device_layer_properties);
     } while (err == VK_INCOMPLETE);
     assert(!err);
 
@@ -487,22 +492,18 @@
     for (uint32_t i = 0; i < gpu->device_layer_count; i++) {
         VkLayerProperties *src_info = &device_layer_properties[i];
         struct layer_extension_list *dst_info = &gpu->device_layers[i];
-        memcpy(&dst_info->layer_properties, src_info, sizeof(VkLayerProperties));
+        memcpy(&dst_info->layer_properties, src_info,
+               sizeof(VkLayerProperties));
 
         /* Save away layer extension info for report */
         app_get_physical_device_layer_extensions(
-                    gpu,
-                    src_info->layerName,
-                    &dst_info->extension_count,
-                    &dst_info->extension_properties);
+            gpu, src_info->layerName, &dst_info->extension_count,
+            &dst_info->extension_properties);
     }
     free(device_layer_properties);
 
     app_get_physical_device_layer_extensions(
-                gpu,
-                NULL,
-                &gpu->device_extension_count,
-                &gpu->device_extensions);
+        gpu, NULL, &gpu->device_extension_count, &gpu->device_extensions);
 
     fflush(stdout);
 
@@ -532,38 +533,36 @@
     info.enabledLayerCount = 0;
     info.ppEnabledLayerNames = NULL;
     info.enabledExtensionCount = enabled_extension_count;
-    info.ppEnabledExtensionNames = (const char*const*) known_extensions;
+    info.ppEnabledExtensionNames = (const char *const *)known_extensions;
     dev->gpu = gpu;
     err = vkCreateDevice(gpu->obj, &info, NULL, &dev->obj);
     if (err)
         ERR_EXIT(err);
-
 }
 
-static void app_dev_destroy(struct app_dev *dev)
-{
+static void app_dev_destroy(struct app_dev *dev) {
     vkDestroyDevice(dev->obj, NULL);
 }
 
-static void app_get_global_layer_extensions(
-        char *layer_name,
-        uint32_t *extension_count,
-        VkExtensionProperties **extension_properties)
-{
+static void
+app_get_global_layer_extensions(char *layer_name, uint32_t *extension_count,
+                                VkExtensionProperties **extension_properties) {
     VkResult err;
     uint32_t ext_count = 0;
     VkExtensionProperties *ext_ptr = NULL;
 
     /* repeat get until VK_INCOMPLETE goes away */
     do {
-        err = vkEnumerateInstanceExtensionProperties(layer_name, &ext_count, NULL);
+        err = vkEnumerateInstanceExtensionProperties(layer_name, &ext_count,
+                                                     NULL);
         assert(!err);
 
         if (ext_ptr) {
             free(ext_ptr);
         }
         ext_ptr = malloc(ext_count * sizeof(VkExtensionProperties));
-        err = vkEnumerateInstanceExtensionProperties(layer_name, &ext_count, ext_ptr);
+        err = vkEnumerateInstanceExtensionProperties(layer_name, &ext_count,
+                                                     ext_ptr);
     } while (err == VK_INCOMPLETE);
     assert(!err);
 
@@ -571,8 +570,7 @@
     *extension_properties = ext_ptr;
 }
 
-static void app_create_instance(struct app_instance *inst)
-{
+static void app_create_instance(struct app_instance *inst) {
     const VkApplicationInfo app_info = {
         .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
         .pNext = NULL,
@@ -638,7 +636,8 @@
         global_layers = malloc(sizeof(struct layer_extension_list) * count);
         assert(global_layers);
 
-        err = vkEnumerateInstanceLayerProperties(&count, global_layer_properties);
+        err =
+            vkEnumerateInstanceLayerProperties(&count, global_layer_properties);
     } while (err == VK_INCOMPLETE);
     assert(!err);
 
@@ -648,22 +647,20 @@
     for (uint32_t i = 0; i < inst->global_layer_count; i++) {
         VkLayerProperties *src_info = &global_layer_properties[i];
         struct layer_extension_list *dst_info = &inst->global_layers[i];
-        memcpy(&dst_info->layer_properties, src_info, sizeof(VkLayerProperties));
+        memcpy(&dst_info->layer_properties, src_info,
+               sizeof(VkLayerProperties));
 
         /* Save away layer extension info for report */
-        app_get_global_layer_extensions(
-                    src_info->layerName,
-                    &dst_info->extension_count,
-                    &dst_info->extension_properties);
+        app_get_global_layer_extensions(src_info->layerName,
+                                        &dst_info->extension_count,
+                                        &dst_info->extension_properties);
     }
     free(global_layer_properties);
 
     /* Collect global extensions */
     inst->global_extension_count = 0;
-    app_get_global_layer_extensions(
-                NULL,
-                &inst->global_extension_count,
-                &inst->global_extensions);
+    app_get_global_layer_extensions(NULL, &inst->global_extension_count,
+                                    &inst->global_extensions);
 
     for (uint32_t i = 0; i < ARRAY_SIZE(known_extensions); i++) {
         VkBool32 extension_found = 0;
@@ -682,12 +679,14 @@
     }
 
     inst_info.enabledExtensionCount = global_extension_count;
-    inst_info.ppEnabledExtensionNames = (const char * const *) known_extensions;
+    inst_info.ppEnabledExtensionNames = (const char *const *)known_extensions;
 
     VkDebugReportCallbackCreateInfoEXT dbg_info;
     memset(&dbg_info, 0, sizeof(dbg_info));
     dbg_info.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
-    dbg_info.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARN_BIT_EXT | VK_DEBUG_REPORT_INFO_BIT_EXT;
+    dbg_info.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT |
+                     VK_DEBUG_REPORT_WARN_BIT_EXT |
+                     VK_DEBUG_REPORT_INFO_BIT_EXT;
     dbg_info.pfnCallback = dbg_callback;
     inst_info.pNext = &dbg_info;
 
@@ -700,15 +699,13 @@
     }
 }
 
-static void app_destroy_instance(struct app_instance *inst)
-{
+static void app_destroy_instance(struct app_instance *inst) {
     free(inst->global_extensions);
     vkDestroyInstance(inst->instance, NULL);
 }
 
-
-static void app_gpu_init(struct app_gpu *gpu, uint32_t id, VkPhysicalDevice obj)
-{
+static void app_gpu_init(struct app_gpu *gpu, uint32_t id,
+                         VkPhysicalDevice obj) {
     uint32_t i;
 
     memset(gpu, 0, sizeof(*gpu));
@@ -721,20 +718,22 @@
     /* get queue count */
     vkGetPhysicalDeviceQueueFamilyProperties(gpu->obj, &gpu->queue_count, NULL);
 
-    gpu->queue_props =
-            malloc(sizeof(gpu->queue_props[0]) * gpu->queue_count);
+    gpu->queue_props = malloc(sizeof(gpu->queue_props[0]) * gpu->queue_count);
 
     if (!gpu->queue_props)
         ERR_EXIT(VK_ERROR_OUT_OF_HOST_MEMORY);
-    vkGetPhysicalDeviceQueueFamilyProperties(gpu->obj, &gpu->queue_count, gpu->queue_props);
+    vkGetPhysicalDeviceQueueFamilyProperties(gpu->obj, &gpu->queue_count,
+                                             gpu->queue_props);
 
     /* set up queue requests */
     gpu->queue_reqs = malloc(sizeof(*gpu->queue_reqs) * gpu->queue_count);
     if (!gpu->queue_reqs)
         ERR_EXIT(VK_ERROR_OUT_OF_HOST_MEMORY);
     for (i = 0; i < gpu->queue_count; i++) {
-        float *queue_priorities = malloc(gpu->queue_props[i].queueCount * sizeof(float));
-        memset(queue_priorities, 0, gpu->queue_props[i].queueCount * sizeof(float));
+        float *queue_priorities =
+            malloc(gpu->queue_props[i].queueCount * sizeof(float));
+        memset(queue_priorities, 0,
+               gpu->queue_props[i].queueCount * sizeof(float));
         gpu->queue_reqs[i].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
         gpu->queue_reqs[i].pNext = NULL;
         gpu->queue_reqs[i].queueFamilyIndex = i;
@@ -750,18 +749,18 @@
     app_dev_init_formats(&gpu->dev);
 }
 
-static void app_gpu_destroy(struct app_gpu *gpu)
-{
+static void app_gpu_destroy(struct app_gpu *gpu) {
     app_dev_destroy(&gpu->dev);
     free(gpu->device_extensions);
 
     for (uint32_t i = 0; i < gpu->queue_count; i++) {
-        free((void *) gpu->queue_reqs[i].pQueuePriorities);
+        free((void *)gpu->queue_reqs[i].pQueuePriorities);
     }
     free(gpu->queue_reqs);
     free(gpu->queue_props);
 }
 
+// clang-format off
 static void app_dev_dump_format_props(const struct app_dev *dev, VkFormat fmt)
 {
     const VkFormatProperties *props = &dev->format_props[fmt];
@@ -847,7 +846,7 @@
     printf("\ttextureCompressionETC2                  = %u\n", features->textureCompressionETC2                 );
     printf("\ttextureCompressionASTC_LDR              = %u\n", features->textureCompressionASTC_LDR             );
     printf("\ttextureCompressionBC                    = %u\n", features->textureCompressionBC                   );
-    printf("\tocclusionQueryPrecise           = %u\n", features->occlusionQueryPrecise          );
+    printf("\tocclusionQueryPrecise                   = %u\n", features->occlusionQueryPrecise                  );
     printf("\tpipelineStatisticsQuery                 = %u\n", features->pipelineStatisticsQuery                );
     printf("\tvertexSideEffects                       = %u\n", features->vertexPipelineStoresAndAtomics         );
     printf("\ttessellationSideEffects                 = %u\n", features->fragmentStoresAndAtomics               );
@@ -888,11 +887,11 @@
     printf("\tVkPhysicalDeviceSparseProperties:\n");
     printf("\t---------------------------------\n");
 
-    printf("\t\tresidencyStandard2DBlockShape     = %u\n", sparseProps->residencyStandard2DBlockShape    );
+    printf("\t\tresidencyStandard2DBlockShape            = %u\n", sparseProps->residencyStandard2DBlockShape           );
     printf("\t\tresidencyStandard2DMultisampleBlockShape = %u\n", sparseProps->residencyStandard2DMultisampleBlockShape);
-    printf("\t\tresidencyStandard3DBlockShape     = %u\n", sparseProps->residencyStandard3DBlockShape    );
-    printf("\t\tresidencyAlignedMipSize           = %u\n", sparseProps->residencyAlignedMipSize          );
-    printf("\t\tresidencyNonResidentStrict        = %u\n", sparseProps->residencyNonResidentStrict       );
+    printf("\t\tresidencyStandard3DBlockShape            = %u\n", sparseProps->residencyStandard3DBlockShape           );
+    printf("\t\tresidencyAlignedMipSize                  = %u\n", sparseProps->residencyAlignedMipSize                 );
+    printf("\t\tresidencyNonResidentStrict               = %u\n", sparseProps->residencyNonResidentStrict              );
 }
 
 static void app_dump_limits(const VkPhysicalDeviceLimits *limits)
@@ -906,8 +905,8 @@
     printf("\t\tmaxImageDimensionCube                   = 0x%" PRIxLEAST32 "\n", limits->maxImageDimensionCube                  );
     printf("\t\tmaxImageArrayLayers                     = 0x%" PRIxLEAST32 "\n", limits->maxImageArrayLayers                    );
     printf("\t\tmaxTexelBufferElements                  = 0x%" PRIxLEAST32 "\n", limits->maxTexelBufferElements                 );
-    printf("\t\tmaxUniformBufferRange                    = 0x%" PRIxLEAST32 "\n", limits->maxUniformBufferRange                 );
-    printf("\t\tmaxStorageBufferRange                    = 0x%" PRIxLEAST32 "\n", limits->maxStorageBufferRange                 );
+    printf("\t\tmaxUniformBufferRange                   = 0x%" PRIxLEAST32 "\n", limits->maxUniformBufferRange                  );
+    printf("\t\tmaxStorageBufferRange                   = 0x%" PRIxLEAST32 "\n", limits->maxStorageBufferRange                  );
     printf("\t\tmaxPushConstantsSize                    = 0x%" PRIxLEAST32 "\n", limits->maxPushConstantsSize                   );
     printf("\t\tmaxMemoryAllocationCount                = 0x%" PRIxLEAST32 "\n", limits->maxMemoryAllocationCount               );
     printf("\t\tmaxSamplerAllocationCount               = 0x%" PRIxLEAST32 "\n", limits->maxSamplerAllocationCount              );
@@ -934,7 +933,7 @@
     printf("\t\tmaxVertexInputAttributeOffset           = 0x%" PRIxLEAST32 "\n", limits->maxVertexInputAttributeOffset          );
     printf("\t\tmaxVertexInputBindingStride             = 0x%" PRIxLEAST32 "\n", limits->maxVertexInputBindingStride            );
     printf("\t\tmaxVertexOutputComponents               = 0x%" PRIxLEAST32 "\n", limits->maxVertexOutputComponents              );
-    printf("\t\tmaxTessellationGenerationLevel                         = 0x%" PRIxLEAST32 "\n", limits->maxTessellationGenerationLevel          );
+    printf("\t\tmaxTessellationGenerationLevel          = 0x%" PRIxLEAST32 "\n", limits->maxTessellationGenerationLevel         );
     printf("\t\tmaxTessellationPatchSize                        = 0x%" PRIxLEAST32 "\n", limits->maxTessellationPatchSize                       );
     printf("\t\tmaxTessellationControlPerVertexInputComponents  = 0x%" PRIxLEAST32 "\n", limits->maxTessellationControlPerVertexInputComponents );
     printf("\t\tmaxTessellationControlPerVertexOutputComponents = 0x%" PRIxLEAST32 "\n", limits->maxTessellationControlPerVertexOutputComponents);
@@ -1032,13 +1031,12 @@
 
     fflush(stdout);
 }
+// clang-format on
 
-static void app_dump_extensions(
-        const char *indent,
-        const char *layer_name,
-        const uint32_t extension_count,
-        const VkExtensionProperties *extension_properties)
-{
+static void
+app_dump_extensions(const char *indent, const char *layer_name,
+                    const uint32_t extension_count,
+                    const VkExtensionProperties *extension_properties) {
     uint32_t i;
     if (layer_name && (strlen(layer_name) > 0)) {
         printf("%s%s Extensions", indent, layer_name);
@@ -1046,38 +1044,36 @@
         printf("Extensions");
     }
     printf("\tcount = %d\n", extension_count);
-    for (i=0; i< extension_count; i++) {
+    for (i = 0; i < extension_count; i++) {
         VkExtensionProperties const *ext_prop = &extension_properties[i];
 
         printf("%s\t", indent);
-        printf("%-32s: extension revision %2d\n",
-                       ext_prop->extensionName, ext_prop->specVersion);
+        printf("%-32s: extension revision %2d\n", ext_prop->extensionName,
+               ext_prop->specVersion);
     }
     printf("\n");
     fflush(stdout);
 }
 
-static void app_gpu_dump_queue_props(const struct app_gpu *gpu, uint32_t id)
-{
+static void app_gpu_dump_queue_props(const struct app_gpu *gpu, uint32_t id) {
     const VkQueueFamilyProperties *props = &gpu->queue_props[id];
 
     printf("VkQueueFamilyProperties[%d]:\n", id);
     printf("============================\n");
     printf("\tqueueFlags         = %c%c%c\n",
-            (props->queueFlags & VK_QUEUE_GRAPHICS_BIT) ? 'G' : '.',
-            (props->queueFlags & VK_QUEUE_COMPUTE_BIT)  ? 'C' : '.',
-            (props->queueFlags & VK_QUEUE_TRANSFER_BIT)      ? 'D' : '.');
-    printf("\tqueueCount         = %u\n",   props->queueCount);
-    printf("\ttimestampValidBits = %u\n",   props->timestampValidBits);
+           (props->queueFlags & VK_QUEUE_GRAPHICS_BIT) ? 'G' : '.',
+           (props->queueFlags & VK_QUEUE_COMPUTE_BIT) ? 'C' : '.',
+           (props->queueFlags & VK_QUEUE_TRANSFER_BIT) ? 'D' : '.');
+    printf("\tqueueCount         = %u\n", props->queueCount);
+    printf("\ttimestampValidBits = %u\n", props->timestampValidBits);
     printf("\tminImageTransferGranularity = (%d, %d, %d)\n",
-            props->minImageTransferGranularity.width,
-            props->minImageTransferGranularity.height,
-            props->minImageTransferGranularity.depth);
+           props->minImageTransferGranularity.width,
+           props->minImageTransferGranularity.height,
+           props->minImageTransferGranularity.depth);
     fflush(stdout);
 }
 
-static void app_gpu_dump_memory_props(const struct app_gpu *gpu)
-{
+static void app_gpu_dump_memory_props(const struct app_gpu *gpu) {
     const VkPhysicalDeviceMemoryProperties *props = &gpu->memory_props;
 
     printf("VkPhysicalDeviceMemoryProperties:\n");
@@ -1088,16 +1084,16 @@
         printf("\t\tpropertyFlags = %u\n", props->memoryTypes[i].propertyFlags);
         printf("\t\theapIndex     = %u\n", props->memoryTypes[i].heapIndex);
     }
-    printf("\tmemoryHeapCount       = %u\n",                props->memoryHeapCount);
+    printf("\tmemoryHeapCount       = %u\n", props->memoryHeapCount);
     for (uint32_t i = 0; i < props->memoryHeapCount; i++) {
         printf("\tmemoryHeaps[%u] : \n", i);
-        printf("\t\tsize          = " PRINTF_SIZE_T_SPECIFIER "\n", (size_t)props->memoryHeaps[i].size);
+        printf("\t\tsize          = " PRINTF_SIZE_T_SPECIFIER "\n",
+               (size_t)props->memoryHeaps[i].size);
     }
     fflush(stdout);
 }
 
-static void app_gpu_dump(const struct app_gpu *gpu)
-{
+static void app_gpu_dump(const struct app_gpu *gpu) {
     uint32_t i;
 
     printf("Device Extensions and layers:\n");
@@ -1105,7 +1101,8 @@
     printf("GPU%u\n", gpu->id);
     app_gpu_dump_props(gpu);
     printf("\n");
-    app_dump_extensions("", "Device", gpu->device_extension_count, gpu->device_extensions);
+    app_dump_extensions("", "Device", gpu->device_extension_count,
+                        gpu->device_extensions);
     printf("\n");
     printf("Layers\tcount = %d\n", gpu->device_layer_count);
     for (uint32_t i = 0; i < gpu->device_layer_count; i++) {
@@ -1113,16 +1110,18 @@
         char spec_version[64], layer_version[64];
         struct layer_extension_list const *layer_info = &gpu->device_layers[i];
 
-        extract_version(layer_info->layer_properties.specVersion, &major, &minor, &patch);
-        snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", major, minor, patch);
-        snprintf(layer_version, sizeof(layer_version), "%d", layer_info->layer_properties.implementationVersion);
+        extract_version(layer_info->layer_properties.specVersion, &major,
+                        &minor, &patch);
+        snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", major, minor,
+                 patch);
+        snprintf(layer_version, sizeof(layer_version), "%d",
+                 layer_info->layer_properties.implementationVersion);
         printf("\t%s (%s) Vulkan version %s, layer version %s\n",
                layer_info->layer_properties.layerName,
-               (char*) layer_info->layer_properties.description,
-               spec_version, layer_version);
+               (char *)layer_info->layer_properties.description, spec_version,
+               layer_version);
 
-        app_dump_extensions("\t",
-                            layer_info->layer_properties.layerName,
+        app_dump_extensions("\t", layer_info->layer_properties.layerName,
                             layer_info->extension_count,
                             layer_info->extension_properties);
         fflush(stdout);
@@ -1139,8 +1138,7 @@
     app_dev_dump(&gpu->dev);
 }
 
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
     unsigned int major, minor, patch;
     struct app_gpu gpus[MAX_GPUS];
     VkPhysicalDevice objs[MAX_GPUS];
@@ -1152,7 +1150,7 @@
     minor = (VK_API_VERSION >> 12) & 0x3ff;
     patch = VK_API_VERSION & 0xfff;
     printf("===========\n");
-	printf("VULKAN INFO\n");
+    printf("VULKAN INFO\n");
     printf("===========\n\n");
     printf("Vulkan API Version: %d.%d.%d\n\n", major, minor, patch);
 
@@ -1160,19 +1158,24 @@
 
     printf("Instance Extensions and layers:\n");
     printf("===============================\n");
-    app_dump_extensions("", "Instance", inst.global_extension_count, inst.global_extensions);
+    app_dump_extensions("", "Instance", inst.global_extension_count,
+                        inst.global_extensions);
 
     printf("Instance Layers\tcount = %d\n", inst.global_layer_count);
     for (uint32_t i = 0; i < inst.global_layer_count; i++) {
         uint32_t major, minor, patch;
         char spec_version[64], layer_version[64];
-        VkLayerProperties const *layer_prop = &inst.global_layers[i].layer_properties;
+        VkLayerProperties const *layer_prop =
+            &inst.global_layers[i].layer_properties;
 
         extract_version(layer_prop->specVersion, &major, &minor, &patch);
-        snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", major, minor, patch);
-        snprintf(layer_version, sizeof(layer_version), "%d", layer_prop->implementationVersion);
+        snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", major, minor,
+                 patch);
+        snprintf(layer_version, sizeof(layer_version), "%d",
+                 layer_prop->implementationVersion);
         printf("\t%s (%s) Vulkan version %s, layer version %s\n",
-               layer_prop->layerName, (char*) layer_prop->description, spec_version, layer_version);
+               layer_prop->layerName, (char *)layer_prop->description,
+               spec_version, layer_version);
 
         app_dump_extensions("\t",
                             inst.global_layers[i].layer_properties.layerName,
@@ -1209,8 +1212,7 @@
 
 // Create a console window with a large scrollback size to which to send stdout.
 // Returns true if console window was successfully created, false otherwise.
-bool SetStdOutToNewConsole()
-{
+bool SetStdOutToNewConsole() {
     // don't do anything if we already have a console
     if (GetStdHandle(STD_OUTPUT_HANDLE))
         return false;
@@ -1221,9 +1223,9 @@
     // redirect unbuffered STDOUT to the console
     HANDLE consoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);
     int fileDescriptor = _open_osfhandle((intptr_t)consoleHandle, _O_TEXT);
-    FILE *fp = _fdopen( fileDescriptor, "w" );
+    FILE *fp = _fdopen(fileDescriptor, "w");
     *stdout = *fp;
-    setvbuf( stdout, NULL, _IONBF, 0 );
+    setvbuf(stdout, NULL, _IONBF, 0);
 
     // make the console window bigger
     CONSOLE_SCREEN_BUFFER_INFO csbi;
@@ -1231,12 +1233,12 @@
     COORD bufferSize;
     if (!GetConsoleScreenBufferInfo(consoleHandle, &csbi))
         return false;
-    bufferSize.X = csbi.dwSize.X+30;
+    bufferSize.X = csbi.dwSize.X + 30;
     bufferSize.Y = 20000;
     if (!SetConsoleScreenBufferSize(consoleHandle, bufferSize))
         return false;
     r.Left = r.Top = 0;
-    r.Right = csbi.dwSize.X-1+30;
+    r.Right = csbi.dwSize.X - 1 + 30;
     r.Bottom = 50;
     if (!SetConsoleWindowInfo(consoleHandle, true, &r))
         return false;
@@ -1248,8 +1250,8 @@
     return true;
 }
 
-int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR pCmdLine, int nCmdShow)
-{
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR pCmdLine,
+                   int nCmdShow) {
     char *argv = pCmdLine;
     consoleCreated = SetStdOutToNewConsole();
     main(1, &argv);