| /* |
| * Vulkan |
| * |
| * Copyright (C) 2014-2015 LunarG, Inc. |
| * |
| * 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 and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS 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. |
| */ |
| /* |
| * Draw a textured triangle with depth testing. This is written against Intel |
| * ICD. It does not do state transition nor object memory binding like it |
| * should. It also does no error checking. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdbool.h> |
| #include <assert.h> |
| |
| #ifdef _WIN32 |
| #pragma comment(linker, "/subsystem:windows") |
| #include <windows.h> |
| #define APP_NAME_STR_LEN 80 |
| #else // _WIN32 |
| #include <xcb/xcb.h> |
| #endif // _WIN32 |
| |
| #include <vulkan.h> |
| #include "vk_debug_report_lunarg.h" |
| #include <vk_ext_khr_swapchain.h> |
| #include <vk_ext_khr_device_swapchain.h> |
| |
| #include "icd-spv.h" |
| |
| #define DEMO_TEXTURE_COUNT 1 |
| #define VERTEX_BUFFER_BIND_ID 0 |
| #define APP_SHORT_NAME "tri" |
| #define APP_LONG_NAME "The Vulkan Triangle Demo Program" |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) |
| |
| #if defined(NDEBUG) && defined(__GNUC__) |
| #define U_ASSERT_ONLY __attribute__((unused)) |
| #else |
| #define U_ASSERT_ONLY |
| #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 { \ |
| 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_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; |
| |
| VkImage image; |
| VkImageLayout imageLayout; |
| |
| VkDeviceMemory mem; |
| VkImageView view; |
| int32_t tex_width, tex_height; |
| }; |
| |
| VkBool32 dbgFunc( |
| VkFlags msgFlags, |
| VkDbgObjectType 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); |
| |
| if (msgFlags & VK_DBG_REPORT_ERROR_BIT) { |
| sprintf(message,"ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg); |
| } else if (msgFlags & VK_DBG_REPORT_WARN_BIT) { |
| sprintf(message,"WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg); |
| } else { |
| return false; |
| } |
| |
| #ifdef _WIN32 |
| MessageBox(NULL, message, "Alert", MB_OK); |
| #else |
| printf("%s\n",message); |
| fflush(stdout); |
| #endif |
| free(message); |
| |
| /* |
| * false indicates that layer should not bail-out of an |
| * API call that had validation failures. This may mean that the |
| * app dies inside the driver due to invalid parameter(s). |
| * That's what would happen without validation layers, so we'll |
| * keep that behavior here. |
| */ |
| return false; |
| } |
| |
| typedef struct _SwapchainBuffers { |
| VkImage image; |
| VkCmdBuffer cmd; |
| VkImageView view; |
| } SwapchainBuffers; |
| |
| struct demo { |
| #ifdef _WIN32 |
| #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 |
| xcb_connection_t *connection; |
| xcb_screen_t *screen; |
| xcb_window_t window; |
| xcb_intern_atom_reply_t *atom_wm_delete_window; |
| VkPlatformHandleXcbKHR platform_handle_xcb; |
| #endif // _WIN32 |
| bool prepared; |
| bool use_staging_buffer; |
| bool use_glsl; |
| |
| VkAllocCallbacks allocator; |
| |
| VkInstance inst; |
| VkPhysicalDevice gpu; |
| VkDevice device; |
| VkQueue queue; |
| VkPhysicalDeviceProperties gpu_props; |
| VkQueueFamilyProperties *queue_props; |
| uint32_t graphics_queue_node_index; |
| |
| int width, height; |
| VkFormat format; |
| VkColorSpaceKHR color_space; |
| |
| PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR; |
| PFN_vkGetSurfacePropertiesKHR fpGetSurfacePropertiesKHR; |
| PFN_vkGetSurfaceFormatsKHR fpGetSurfaceFormatsKHR; |
| PFN_vkGetSurfacePresentModesKHR fpGetSurfacePresentModesKHR; |
| PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR; |
| PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR; |
| PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR; |
| PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR; |
| PFN_vkQueuePresentKHR fpQueuePresentKHR; |
| VkSurfaceDescriptionWindowKHR surface_description; |
| uint32_t swapchainImageCount; |
| VkSwapchainKHR swapchain; |
| SwapchainBuffers *buffers; |
| |
| VkCmdPool cmd_pool; |
| |
| struct { |
| VkFormat format; |
| |
| VkImage image; |
| VkDeviceMemory mem; |
| VkImageView view; |
| } depth; |
| |
| struct texture_object textures[DEMO_TEXTURE_COUNT]; |
| |
| struct { |
| VkBuffer buf; |
| VkDeviceMemory mem; |
| |
| VkPipelineVertexInputStateCreateInfo vi; |
| VkVertexInputBindingDescription vi_bindings[1]; |
| VkVertexInputAttributeDescription vi_attrs[2]; |
| } vertices; |
| |
| VkCmdBuffer setup_cmd; // Command Buffer for initialization commands |
| VkCmdBuffer draw_cmd; // Command Buffer for drawing commands |
| VkPipelineLayout pipeline_layout; |
| VkDescriptorSetLayout desc_layout; |
| VkPipelineCache pipelineCache; |
| VkRenderPass render_pass; |
| VkPipeline pipeline; |
| |
| VkShaderModule vert_shader_module; |
| VkShaderModule frag_shader_module; |
| |
| VkDescriptorPool desc_pool; |
| VkDescriptorSet desc_set; |
| |
| VkFramebuffer *framebuffers; |
| |
| VkPhysicalDeviceMemoryProperties memory_properties; |
| |
| bool validate; |
| PFN_vkDbgCreateMsgCallback dbgCreateMsgCallback; |
| PFN_vkDbgDestroyMsgCallback dbgDestroyMsgCallback; |
| VkDbgMsgCallback msg_callback; |
| |
| float depthStencil; |
| float depthIncrement; |
| |
| bool quit; |
| uint32_t current_buffer; |
| uint32_t queue_count; |
| }; |
| |
| // 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 void demo_flush_init_cmd(struct demo *demo) |
| { |
| VkResult U_ASSERT_ONLY err; |
| |
| if (demo->setup_cmd == VK_NULL_HANDLE) |
| return; |
| |
| err = vkEndCommandBuffer(demo->setup_cmd); |
| assert(!err); |
| |
| const VkCmdBuffer 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, |
| .commandBufferCount = 1, |
| .pCommandBuffers = cmd_bufs, |
| .signalSemaphoreCount = 0, |
| .pSignalSemaphores = NULL |
| }; |
| |
| err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence); |
| assert(!err); |
| |
| err = vkQueueWaitIdle(demo->queue); |
| assert(!err); |
| |
| vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, cmd_bufs); |
| 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) |
| { |
| VkResult U_ASSERT_ONLY err; |
| |
| if (demo->setup_cmd == VK_NULL_HANDLE) { |
| const VkCmdBufferAllocInfo cmd = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_ALLOC_INFO, |
| .pNext = NULL, |
| .cmdPool = demo->cmd_pool, |
| .level = VK_CMD_BUFFER_LEVEL_PRIMARY, |
| .bufferCount = 1, |
| }; |
| |
| err = vkAllocCommandBuffers(demo->device, &cmd, &demo->setup_cmd); |
| assert(!err); |
| |
| VkCmdBufferBeginInfo cmd_buf_info = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO, |
| .pNext = NULL, |
| .flags = 0, |
| .renderPass = VK_NULL_HANDLE, |
| .subpass = 0, |
| .framebuffer = VK_NULL_HANDLE, |
| }; |
| err = vkBeginCommandBuffer(demo->setup_cmd, &cmd_buf_info); |
| assert(!err); |
| } |
| |
| VkImageMemoryBarrier image_memory_barrier = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, |
| .pNext = NULL, |
| .outputMask = 0, |
| .inputMask = 0, |
| .oldLayout = old_image_layout, |
| .newLayout = new_image_layout, |
| .image = image, |
| .subresourceRange = { aspectMask, 0, 1, 0, 0 } |
| }; |
| |
| if (new_image_layout == VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL) { |
| /* Make sure anything that was copying from this image has completed */ |
| image_memory_barrier.inputMask = VK_MEMORY_INPUT_TRANSFER_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.outputMask = VK_MEMORY_OUTPUT_TRANSFER_BIT | VK_MEMORY_OUTPUT_HOST_WRITE_BIT; |
| } |
| |
| VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier; |
| |
| 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, 1, (const void * const*)&pmemory_barrier); |
| } |
| |
| static void demo_draw_build_cmd(struct demo *demo) |
| { |
| const VkCmdBufferBeginInfo cmd_buf_info = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO, |
| .pNext = NULL, |
| .flags = 0, |
| .renderPass = VK_NULL_HANDLE, |
| .subpass = 0, |
| .framebuffer = VK_NULL_HANDLE, |
| }; |
| const VkClearValue clear_values[2] = { |
| [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, |
| .pNext = NULL, |
| .renderPass = demo->render_pass, |
| .framebuffer = demo->framebuffers[demo->current_buffer], |
| .renderArea.offset.x = 0, |
| .renderArea.offset.y = 0, |
| .renderArea.extent.width = demo->width, |
| .renderArea.extent.height = demo->height, |
| .clearValueCount = 2, |
| .pClearValues = clear_values, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| |
| err = vkBeginCommandBuffer(demo->draw_cmd, &cmd_buf_info); |
| assert(!err); |
| |
| vkCmdBeginRenderPass(demo->draw_cmd, &rp_begin, VK_RENDER_PASS_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); |
| |
| 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; |
| vkCmdSetViewport(demo->draw_cmd, 1, &viewport); |
| |
| VkRect2D scissor; |
| memset(&scissor, 0, sizeof(scissor)); |
| scissor.extent.width = demo->width; |
| scissor.extent.height = demo->height; |
| scissor.offset.x = 0; |
| scissor.offset.y = 0; |
| vkCmdSetScissor(demo->draw_cmd, 1, &scissor); |
| |
| VkDeviceSize offsets[1] = {0}; |
| 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); |
| |
| VkImageMemoryBarrier prePresentBarrier = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, |
| .pNext = NULL, |
| .outputMask = VK_MEMORY_OUTPUT_COLOR_ATTACHMENT_BIT, |
| .inputMask = 0, |
| .oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, |
| .newLayout = VK_IMAGE_LAYOUT_PRESENT_SOURCE_KHR, |
| .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
| .destQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
| .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_GPU_COMMANDS, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, |
| 0, 1, (const void * const*)&pmemory_barrier); |
| |
| err = vkEndCommandBuffer(demo->draw_cmd); |
| assert(!err); |
| } |
| |
| static void demo_draw(struct demo *demo) |
| { |
| VkResult U_ASSERT_ONLY err; |
| VkSemaphore presentCompleteSemaphore; |
| VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo = { |
| .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, |
| .pNext = NULL, |
| .flags = 0, |
| }; |
| |
| 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, |
| presentCompleteSemaphore, |
| &demo->current_buffer); |
| if (err == VK_ERROR_OUT_OF_DATE_KHR) { |
| // demo->swapchain is out of date (e.g. the window was resized) and |
| // must be recreated: |
| demo_resize(demo); |
| demo_draw(demo); |
| vkDestroySemaphore(demo->device, presentCompleteSemaphore, NULL); |
| return; |
| } else if (err == VK_SUBOPTIMAL_KHR) { |
| // demo->swapchain is not as optimal as it could be, but the platform's |
| // presentation engine will still present the image correctly. |
| } else { |
| assert(!err); |
| } |
| |
| // 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_SOURCE_KHR, |
| VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); |
| demo_flush_init_cmd(demo); |
| |
| // Wait for the present complete semaphore to be signaled to ensure |
| // that the image won't be rendered to until the presentation |
| // 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_SOURCE_KHR |
| demo_draw_build_cmd(demo); |
| VkFence nullFence = VK_NULL_HANDLE; |
| |
| VkSubmitInfo submit_info = { |
| .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, |
| .pNext = NULL, |
| .waitSemaphoreCount = 1, |
| .pWaitSemaphores = &presentCompleteSemaphore, |
| .commandBufferCount = 1, |
| .pCommandBuffers = &demo->draw_cmd, |
| .signalSemaphoreCount = 0, |
| .pSignalSemaphores = NULL |
| }; |
| |
| err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence); |
| assert(!err); |
| |
| VkPresentInfoKHR present = { |
| .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, |
| .pNext = NULL, |
| .swapchainCount = 1, |
| .swapchains = &demo->swapchain, |
| .imageIndices = &demo->current_buffer, |
| }; |
| |
| // 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 |
| // must be recreated: |
| demo_resize(demo); |
| } else if (err == VK_SUBOPTIMAL_KHR) { |
| // demo->swapchain is not as optimal as it could be, but the platform's |
| // presentation engine will still present the image correctly. |
| } else { |
| assert(!err); |
| } |
| |
| err = vkQueueWaitIdle(demo->queue); |
| assert(err == VK_SUCCESS); |
| |
| vkDestroySemaphore(demo->device, presentCompleteSemaphore, NULL); |
| } |
| |
| static void demo_prepare_buffers(struct demo *demo) |
| { |
| VkResult U_ASSERT_ONLY err; |
| VkSwapchainKHR oldSwapchain = demo->swapchain; |
| |
| // Check the surface proprties and formats |
| VkSurfacePropertiesKHR surfProperties; |
| err = demo->fpGetSurfacePropertiesKHR(demo->device, |
| (const VkSurfaceDescriptionKHR *)&demo->surface_description, |
| &surfProperties); |
| assert(!err); |
| |
| uint32_t presentModeCount; |
| err = demo->fpGetSurfacePresentModesKHR(demo->device, |
| (const VkSurfaceDescriptionKHR *)&demo->surface_description, |
| &presentModeCount, NULL); |
| assert(!err); |
| VkPresentModeKHR *presentModes = |
| (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR)); |
| assert(presentModes); |
| err = demo->fpGetSurfacePresentModesKHR(demo->device, |
| (const VkSurfaceDescriptionKHR *)&demo->surface_description, |
| &presentModeCount, presentModes); |
| assert(!err); |
| |
| VkExtent2D swapchainExtent; |
| // width and height are either both -1, or both not -1. |
| if (surfProperties.currentExtent.width == -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 |
| { |
| // If the surface size is defined, the swap chain size must match |
| swapchainExtent = surfProperties.currentExtent; |
| demo->width = surfProperties.currentExtent.width; |
| demo->height = surfProperties.currentExtent.height; |
| } |
| |
| VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR; |
| |
| // 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 = surfProperties.minImageCount + 1; |
| if ((surfProperties.maxImageCount > 0) && |
| (desiredNumberOfSwapchainImages > surfProperties.maxImageCount)) |
| { |
| // Application must settle for fewer images than desired: |
| desiredNumberOfSwapchainImages = surfProperties.maxImageCount; |
| } |
| |
| VkSurfaceTransformKHR preTransform; |
| if (surfProperties.supportedTransforms & VK_SURFACE_TRANSFORM_NONE_BIT_KHR) { |
| preTransform = VK_SURFACE_TRANSFORM_NONE_KHR; |
| } else { |
| preTransform = surfProperties.currentTransform; |
| } |
| |
| const VkSwapchainCreateInfoKHR swapchain = { |
| .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, |
| .pNext = NULL, |
| .pSurfaceDescription = (const VkSurfaceDescriptionKHR *)&demo->surface_description, |
| .minImageCount = desiredNumberOfSwapchainImages, |
| .imageFormat = demo->format, |
| .imageColorSpace = demo->color_space, |
| .imageExtent = { |
| .width = swapchainExtent.width, |
| .height = swapchainExtent.height, |
| }, |
| .imageUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, |
| .preTransform = preTransform, |
| .imageArraySize = 1, |
| .sharingMode = VK_SHARING_MODE_EXCLUSIVE, |
| .queueFamilyCount = 0, |
| .pQueueFamilyIndices = NULL, |
| .presentMode = swapchainPresentMode, |
| .oldSwapchain = oldSwapchain, |
| .clipped = true, |
| }; |
| uint32_t i; |
| |
| err = demo->fpCreateSwapchainKHR(demo->device, &swapchain, &demo->swapchain); |
| assert(!err); |
| |
| // If we just re-created an existing swapchain, we should destroy the old |
| // swapchain at this point. |
| // Note: destroying the swapchain also cleans up all its associated |
| // presentable images once the platform is done with them. |
| if (oldSwapchain != VK_NULL_HANDLE) { |
| demo->fpDestroySwapchainKHR(demo->device, oldSwapchain); |
| } |
| |
| err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain, |
| &demo->swapchainImageCount, NULL); |
| assert(!err); |
| |
| 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); |
| assert(demo->buffers); |
| |
| for (i = 0; i < demo->swapchainImageCount; i++) { |
| VkImageViewCreateInfo color_attachment_view = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, |
| .pNext = NULL, |
| .format = demo->format, |
| .channels = { |
| .r = VK_CHANNEL_SWIZZLE_R, |
| .g = VK_CHANNEL_SWIZZLE_G, |
| .b = VK_CHANNEL_SWIZZLE_B, |
| .a = VK_CHANNEL_SWIZZLE_A, |
| }, |
| .subresourceRange = { |
| .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, |
| .baseMipLevel = 0, |
| .numLevels = 1, |
| .baseArrayLayer = 0, |
| .numLayers = 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_SOURCE_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_SOURCE_KHR); |
| |
| color_attachment_view.image = demo->buffers[i].image; |
| |
| err = vkCreateImageView(demo->device, |
| &color_attachment_view, NULL, &demo->buffers[i].view); |
| assert(!err); |
| } |
| |
| demo->current_buffer = 0; |
| } |
| |
| 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 }, |
| .mipLevels = 1, |
| .arrayLayers = 1, |
| .samples = 1, |
| .tiling = VK_IMAGE_TILING_OPTIMAL, |
| .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memoryTypeIndex = 0, |
| }; |
| VkImageViewCreateInfo view = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, |
| .pNext = NULL, |
| .image = VK_NULL_HANDLE, |
| .format = depth_format, |
| .subresourceRange = { |
| .aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT, |
| .baseMipLevel = 0, |
| .numLevels = 1, |
| .baseArrayLayer = 0, |
| .numLayers = 1 |
| }, |
| .flags = 0, |
| .viewType = VK_IMAGE_VIEW_TYPE_2D, |
| }; |
| |
| VkMemoryRequirements mem_reqs; |
| VkResult U_ASSERT_ONLY err; |
| bool U_ASSERT_ONLY pass; |
| |
| demo->depth.format = depth_format; |
| |
| /* create 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); |
| |
| /* 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); |
| assert(pass); |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, NULL, &demo->depth.mem); |
| assert(!err); |
| |
| /* bind memory */ |
| 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); |
| |
| /* create image view */ |
| view.image = demo->depth.image; |
| err = vkCreateImageView(demo->device, &view, NULL, &demo->depth.view); |
| 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) |
| { |
| const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM; |
| const int32_t tex_width = 2; |
| const int32_t tex_height = 2; |
| VkResult U_ASSERT_ONLY err; |
| bool U_ASSERT_ONLY pass; |
| |
| tex_obj->tex_width = tex_width; |
| tex_obj->tex_height = tex_height; |
| |
| const VkImageCreateInfo image_create_info = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, |
| .pNext = NULL, |
| .imageType = VK_IMAGE_TYPE_2D, |
| .format = tex_format, |
| .extent = { tex_width, tex_height, 1 }, |
| .mipLevels = 1, |
| .arrayLayers = 1, |
| .samples = 1, |
| .tiling = tiling, |
| .usage = usage, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memoryTypeIndex = 0, |
| }; |
| |
| VkMemoryRequirements mem_reqs; |
| |
| 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); |
| assert(pass); |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, NULL, &tex_obj->mem); |
| assert(!err); |
| |
| /* bind memory */ |
| err = vkBindImageMemory(demo->device, tex_obj->image, |
| tex_obj->mem, 0); |
| assert(!err); |
| |
| if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) { |
| const VkImageSubresource subres = { |
| .aspect = VK_IMAGE_ASPECT_COLOR_BIT, |
| .mipLevel = 0, |
| .arrayLayer = 0, |
| }; |
| VkSubresourceLayout layout; |
| void *data; |
| int32_t x, y; |
| |
| vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres, &layout); |
| |
| 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); |
| for (x = 0; x < tex_width; x++) |
| row[x] = tex_colors[(x & 1) ^ (y & 1)]; |
| } |
| |
| vkUnmapMemory(demo->device, tex_obj->mem); |
| } |
| |
| 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 */ |
| } |
| |
| 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) |
| { |
| const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM; |
| VkFormatProperties props; |
| const uint32_t tex_colors[DEMO_TEXTURE_COUNT][2] = { |
| { 0xffff0000, 0xff00ff00 }, |
| }; |
| uint32_t i; |
| VkResult err; |
| |
| 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) { |
| /* 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){ |
| /* 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_SOURCE_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_DESTINATION_BIT | VK_IMAGE_USAGE_SAMPLED_BIT), |
| VK_MEMORY_PROPERTY_DEVICE_ONLY); |
| |
| demo_set_image_layout(demo, staging_texture.image, |
| VK_IMAGE_ASPECT_COLOR_BIT, |
| staging_texture.imageLayout, |
| VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL); |
| |
| demo_set_image_layout(demo, demo->textures[i].image, |
| VK_IMAGE_ASPECT_COLOR_BIT, |
| demo->textures[i].imageLayout, |
| VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL); |
| |
| VkImageCopy copy_region = { |
| .srcSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 }, |
| .srcOffset = { 0, 0, 0 }, |
| .destSubresource = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 }, |
| .destOffset = { 0, 0, 0 }, |
| .extent = { staging_texture.tex_width, staging_texture.tex_height, 1 }, |
| }; |
| vkCmdCopyImage(demo->setup_cmd, |
| staging_texture.image, VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL, |
| demo->textures[i].image, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL, |
| 1, ©_region); |
| |
| demo_set_image_layout(demo, demo->textures[i].image, |
| VK_IMAGE_ASPECT_COLOR_BIT, |
| VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL, |
| demo->textures[i].imageLayout); |
| |
| demo_flush_init_cmd(demo); |
| |
| demo_destroy_texture_image(demo, &staging_texture); |
| } else { |
| /* Can't support VK_FORMAT_B8G8R8A8_UNORM !? */ |
| assert(!"No support for B8G8R8A8_UNORM as texture image format"); |
| } |
| |
| const VkSamplerCreateInfo sampler = { |
| .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, |
| .pNext = NULL, |
| .magFilter = VK_FILTER_NEAREST, |
| .minFilter = VK_FILTER_NEAREST, |
| .mipmapMode = VK_SAMPLER_MIPMAP_MODE_BASE, |
| .addressModeU = VK_SAMPLER_ADDRESS_MODE_WRAP, |
| .addressModeV = VK_SAMPLER_ADDRESS_MODE_WRAP, |
| .addressModeW = VK_SAMPLER_ADDRESS_MODE_WRAP, |
| .mipLodBias = 0.0f, |
| .maxAnisotropy = 1, |
| .compareOp = VK_COMPARE_OP_NEVER, |
| .minLod = 0.0f, |
| .maxLod = 0.0f, |
| .borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE, |
| .unnormalizedCoordinates = VK_FALSE, |
| }; |
| VkImageViewCreateInfo view = { |
| .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, |
| .pNext = NULL, |
| .image = VK_NULL_HANDLE, |
| .viewType = VK_IMAGE_VIEW_TYPE_2D, |
| .format = tex_format, |
| .channels = { VK_CHANNEL_SWIZZLE_R, |
| VK_CHANNEL_SWIZZLE_G, |
| VK_CHANNEL_SWIZZLE_B, |
| VK_CHANNEL_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); |
| assert(!err); |
| |
| /* create image view */ |
| view.image = demo->textures[i].image; |
| err = vkCreateImageView(demo->device, &view, NULL, |
| &demo->textures[i].view); |
| assert(!err); |
| } |
| } |
| |
| static void demo_prepare_vertices(struct demo *demo) |
| { |
| 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 }, |
| }; |
| const VkBufferCreateInfo buf_info = { |
| .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, |
| .pNext = NULL, |
| .size = sizeof(vb), |
| .usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memoryTypeIndex = 0, |
| }; |
| VkMemoryRequirements mem_reqs; |
| VkResult U_ASSERT_ONLY err; |
| bool U_ASSERT_ONLY pass; |
| void *data; |
| |
| memset(&demo->vertices, 0, sizeof(demo->vertices)); |
| |
| err = vkCreateBuffer(demo->device, &buf_info, NULL, &demo->vertices.buf); |
| assert(!err); |
| |
| 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); |
| assert(pass); |
| |
| err = vkAllocMemory(demo->device, &mem_alloc, NULL, &demo->vertices.mem); |
| assert(!err); |
| |
| err = vkMapMemory(demo->device, demo->vertices.mem, 0, mem_alloc.allocationSize, 0, &data); |
| assert(!err); |
| |
| memcpy(data, vb, sizeof(vb)); |
| |
| vkUnmapMemory(demo->device, demo->vertices.mem); |
| |
| err = vkBindBufferMemory(demo->device, demo->vertices.buf, |
| demo->vertices.mem, 0); |
| assert(!err); |
| |
| 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; |
| demo->vertices.vi.vertexAttributeDescriptionCount = 2; |
| demo->vertices.vi.pVertexAttributeDescriptions = demo->vertices.vi_attrs; |
| |
| demo->vertices.vi_bindings[0].binding = VERTEX_BUFFER_BIND_ID; |
| demo->vertices.vi_bindings[0].stride = sizeof(vb[0]); |
| demo->vertices.vi_bindings[0].stepRate = VK_VERTEX_INPUT_STEP_RATE_VERTEX; |
| |
| demo->vertices.vi_attrs[0].binding = VERTEX_BUFFER_BIND_ID; |
| demo->vertices.vi_attrs[0].location = 0; |
| demo->vertices.vi_attrs[0].format = VK_FORMAT_R32G32B32_SFLOAT; |
| demo->vertices.vi_attrs[0].offset = 0; |
| |
| demo->vertices.vi_attrs[1].binding = VERTEX_BUFFER_BIND_ID; |
| demo->vertices.vi_attrs[1].location = 1; |
| demo->vertices.vi_attrs[1].format = VK_FORMAT_R32G32_SFLOAT; |
| demo->vertices.vi_attrs[1].offset = sizeof(float) * 3; |
| } |
| |
| static void demo_prepare_descriptor_layout(struct demo *demo) |
| { |
| const VkDescriptorSetLayoutBinding layout_binding = { |
| .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
| .arraySize = DEMO_TEXTURE_COUNT, |
| .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT, |
| .pImmutableSamplers = NULL, |
| }; |
| const VkDescriptorSetLayoutCreateInfo descriptor_layout = { |
| .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, |
| .pNext = NULL, |
| .bindingCount = 1, |
| .pBindings = &layout_binding, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| |
| 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, |
| .setLayoutCount = 1, |
| .pSetLayouts = &demo->desc_layout, |
| }; |
| |
| err = vkCreatePipelineLayout(demo->device, |
| &pPipelineLayoutCreateInfo, |
| NULL, |
| &demo->pipeline_layout); |
| assert(!err); |
| } |
| |
| static void demo_prepare_render_pass(struct demo *demo) |
| { |
| const VkAttachmentDescription attachments[2] = { |
| [0] = { |
| .sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION, |
| .pNext = NULL, |
| .format = demo->format, |
| .samples = 1, |
| .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] = { |
| .sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION, |
| .pNext = NULL, |
| .format = demo->depth.format, |
| .samples = 1, |
| .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, |
| }; |
| const VkSubpassDescription subpass = { |
| .sType = VK_STRUCTURE_TYPE_SUBPASS_DESCRIPTION, |
| .pNext = NULL, |
| .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS, |
| .flags = 0, |
| .inputAttachmentCount = 0, |
| .pInputAttachments = NULL, |
| .colorAttachmentCount = 1, |
| .pColorAttachments = &color_reference, |
| .pResolveAttachments = NULL, |
| .depthStencilAttachment = { |
| .attachment = 1, |
| .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, |
| }, |
| .preserveAttachmentCount = 0, |
| .pPreserveAttachments = NULL, |
| }; |
| const VkRenderPassCreateInfo rp_info = { |
| .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, |
| .pNext = NULL, |
| .attachmentCount = 2, |
| .pAttachments = attachments, |
| .subpassCount = 1, |
| .pSubpasses = &subpass, |
| .dependencyCount = 0, |
| .pDependencies = NULL, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| |
| err = vkCreateRenderPass(demo->device, &rp_info, NULL, &demo->render_pass); |
| assert(!err); |
| } |
| |
| static VkShader demo_prepare_shader(struct demo *demo, |
| VkShaderStageFlagBits stage, |
| VkShaderModule* pShaderModule, |
| const void *code, |
| size_t size) |
| { |
| VkShaderModuleCreateInfo moduleCreateInfo; |
| VkShaderCreateInfo shaderCreateInfo; |
| VkShader shader; |
| VkResult U_ASSERT_ONLY err; |
| |
| |
| moduleCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; |
| moduleCreateInfo.pNext = NULL; |
| |
| shaderCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_CREATE_INFO; |
| shaderCreateInfo.pNext = NULL; |
| |
| if (!demo->use_glsl) { |
| moduleCreateInfo.codeSize = size; |
| moduleCreateInfo.pCode = code; |
| moduleCreateInfo.flags = 0; |
| err = vkCreateShaderModule(demo->device, &moduleCreateInfo, NULL, pShaderModule); |
| assert(!err); |
| |
| shaderCreateInfo.flags = 0; |
| shaderCreateInfo.module = *pShaderModule; |
| shaderCreateInfo.pName = "main"; |
| shaderCreateInfo.stage = stage; |
| err = vkCreateShader(demo->device, &shaderCreateInfo, NULL, &shader); |
| assert(!err); |
| } else { |
| // Create fake SPV structure to feed GLSL |
| // to the driver "under the covers" |
| moduleCreateInfo.codeSize = 3 * sizeof(uint32_t) + size + 1; |
| moduleCreateInfo.pCode = malloc(moduleCreateInfo.codeSize); |
| moduleCreateInfo.flags = 0; |
| |
| /* try version 0 first: VkShaderStage followed by GLSL */ |
| ((uint32_t *) moduleCreateInfo.pCode)[0] = ICD_SPV_MAGIC; |
| ((uint32_t *) moduleCreateInfo.pCode)[1] = 0; |
| ((uint32_t *) moduleCreateInfo.pCode)[2] = stage; |
| memcpy(((uint32_t *) moduleCreateInfo.pCode + 3), code, size + 1); |
| |
| err = vkCreateShaderModule(demo->device, &moduleCreateInfo, NULL, pShaderModule); |
| assert(!err); |
| |
| shaderCreateInfo.flags = 0; |
| shaderCreateInfo.module = *pShaderModule; |
| shaderCreateInfo.pName = "main"; |
| shaderCreateInfo.stage = stage; |
| err = vkCreateShader(demo->device, &shaderCreateInfo, NULL, &shader); |
| assert(!err); |
| free((void *) moduleCreateInfo.pCode); |
| } |
| return shader; |
| } |
| |
| 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; |
| |
| fseek(fp, 0L, SEEK_END); |
| size = ftell(fp); |
| |
| fseek(fp, 0L, SEEK_SET); |
| |
| shader_code = malloc(size); |
| retVal = fread(shader_code, size, 1, fp); |
| if (!retVal) return NULL; |
| |
| *psize = size; |
| |
| fclose(fp); |
| return shader_code; |
| } |
| |
| static VkShader demo_prepare_vs(struct demo *demo) |
| { |
| if (!demo->use_glsl) { |
| VkShader shader; |
| void *vertShaderCode; |
| size_t size; |
| |
| vertShaderCode = demo_read_spv("tri-vert.spv", &size); |
| |
| shader = demo_prepare_shader(demo, VK_SHADER_STAGE_VERTEX_BIT, |
| &demo->vert_shader_module, |
| vertShaderCode, size); |
| free(vertShaderCode); |
| return shader; |
| } else { |
| static const char *vertShaderText = |
| "#version 140\n" |
| "#extension GL_ARB_separate_shader_objects : enable\n" |
| "#extension GL_ARB_shading_language_420pack : enable\n" |
| "layout (location = 0) in vec4 pos;\n" |
| "layout (location = 1) in vec2 attr;\n" |
| "out vec2 texcoord;\n" |
| "void main() {\n" |
| " texcoord = attr;\n" |
| " gl_Position = pos;\n" |
| "}\n"; |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_VERTEX_BIT, |
| &demo->vert_shader_module, |
| (const void *) vertShaderText, |
| strlen(vertShaderText)); |
| } |
| } |
| |
| static VkShader demo_prepare_fs(struct demo *demo) |
| { |
| if (!demo->use_glsl) { |
| VkShader shader; |
| void *fragShaderCode; |
| size_t size; |
| |
| fragShaderCode = demo_read_spv("tri-frag.spv", &size); |
| |
| shader = demo_prepare_shader(demo, VK_SHADER_STAGE_FRAGMENT_BIT, |
| &demo->frag_shader_module, |
| fragShaderCode, size); |
| |
| free(fragShaderCode); |
| return shader; |
| } else { |
| static const char *fragShaderText = |
| "#version 140\n" |
| "#extension GL_ARB_separate_shader_objects : enable\n" |
| "#extension GL_ARB_shading_language_420pack : enable\n" |
| "layout (binding = 0) uniform sampler2D tex;\n" |
| "layout (location = 0) in vec2 texcoord;\n" |
| "layout (location = 0) out vec4 uFragColor;\n" |
| "void main() {\n" |
| " uFragColor = texture(tex, texcoord);\n" |
| "}\n"; |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_FRAGMENT_BIT, |
| &demo->frag_shader_module, |
| (const void *) fragShaderText, |
| strlen(fragShaderText)); |
| } |
| } |
| |
| static void demo_prepare_pipeline(struct demo *demo) |
| { |
| VkGraphicsPipelineCreateInfo pipeline; |
| VkPipelineCacheCreateInfo pipelineCache; |
| |
| VkPipelineVertexInputStateCreateInfo vi; |
| VkPipelineInputAssemblyStateCreateInfo ia; |
| VkPipelineRasterStateCreateInfo rs; |
| VkPipelineColorBlendStateCreateInfo cb; |
| VkPipelineDepthStencilStateCreateInfo ds; |
| VkPipelineViewportStateCreateInfo vp; |
| VkPipelineMultisampleStateCreateInfo ms; |
| VkDynamicState dynamicStateEnables[VK_DYNAMIC_STATE_NUM]; |
| VkPipelineDynamicStateCreateInfo dynamicState; |
| |
| VkResult U_ASSERT_ONLY err; |
| |
| memset(dynamicStateEnables, 0, sizeof dynamicStateEnables); |
| memset(&dynamicState, 0, sizeof dynamicState); |
| dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; |
| dynamicState.pDynamicStates = dynamicStateEnables; |
| |
| memset(&pipeline, 0, sizeof(pipeline)); |
| pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; |
| pipeline.layout = demo->pipeline_layout; |
| |
| vi = demo->vertices.vi; |
| |
| memset(&ia, 0, sizeof(ia)); |
| ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; |
| ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; |
| |
| memset(&rs, 0, sizeof(rs)); |
| rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTER_STATE_CREATE_INFO; |
| rs.fillMode = VK_FILL_MODE_SOLID; |
| rs.cullMode = VK_CULL_MODE_BACK; |
| rs.frontFace = VK_FRONT_FACE_CW; |
| rs.depthClampEnable = VK_FALSE; |
| rs.rasterizerDiscardEnable = VK_FALSE; |
| rs.depthBiasEnable = VK_FALSE; |
| |
| memset(&cb, 0, sizeof(cb)); |
| cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; |
| VkPipelineColorBlendAttachmentState att_state[1]; |
| memset(att_state, 0, sizeof(att_state)); |
| att_state[0].channelWriteMask = 0xf; |
| att_state[0].blendEnable = VK_FALSE; |
| cb.attachmentCount = 1; |
| cb.pAttachments = att_state; |
| |
| 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; |
| vp.scissorCount = 1; |
| dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR; |
| |
| memset(&ds, 0, sizeof(ds)); |
| ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; |
| ds.depthTestEnable = VK_TRUE; |
| ds.depthWriteEnable = VK_TRUE; |
| ds.depthCompareOp = VK_COMPARE_OP_LESS_EQUAL; |
| ds.depthBoundsTestEnable = VK_FALSE; |
| ds.back.stencilFailOp = VK_STENCIL_OP_KEEP; |
| ds.back.stencilPassOp = VK_STENCIL_OP_KEEP; |
| ds.back.stencilCompareOp = VK_COMPARE_OP_ALWAYS; |
| ds.stencilTestEnable = VK_FALSE; |
| ds.front = ds.back; |
| |
| memset(&ms, 0, sizeof(ms)); |
| ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; |
| ms.pSampleMask = NULL; |
| ms.rasterSamples = 1; |
| |
| // Two stages: vs and fs |
| pipeline.stageCount = 2; |
| VkPipelineShaderStageCreateInfo shaderStages[2]; |
| memset(&shaderStages, 0, 2 * sizeof(VkPipelineShaderStageCreateInfo)); |
| |
| shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; |
| shaderStages[0].shader = demo_prepare_vs(demo); |
| |
| shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; |
| shaderStages[1].shader = demo_prepare_fs(demo); |
| |
| pipeline.pVertexInputState = &vi; |
| pipeline.pInputAssemblyState = &ia; |
| pipeline.pRasterState = &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); |
| assert(!err); |
| err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, |
| 1, &pipeline, NULL, &demo->pipeline); |
| assert(!err); |
| |
| vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL); |
| |
| for (uint32_t i = 0; i < pipeline.stageCount; i++) { |
| vkDestroyShader(demo->device, shaderStages[i].shader, NULL); |
| } |
| 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) |
| { |
| const VkDescriptorTypeCount type_count = { |
| .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
| .descriptorCount = DEMO_TEXTURE_COUNT, |
| }; |
| const VkDescriptorPoolCreateInfo descriptor_pool = { |
| .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, |
| .pNext = NULL, |
| .maxSets = 1, |
| .typeCount = 1, |
| .pTypeCounts = &type_count, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| |
| err = vkCreateDescriptorPool(demo->device, |
| &descriptor_pool, NULL, &demo->desc_pool); |
| assert(!err); |
| } |
| |
| static void demo_prepare_descriptor_set(struct demo *demo) |
| { |
| VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT]; |
| VkWriteDescriptorSet write; |
| VkResult U_ASSERT_ONLY err; |
| uint32_t i; |
| |
| VkDescriptorSetAllocInfo alloc_info = { |
| .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOC_INFO, |
| .pNext = NULL, |
| .descriptorPool = demo->desc_pool, |
| .setLayoutCount = 1, |
| .pSetLayouts = &demo->desc_layout |
| }; |
| err = vkAllocDescriptorSets(demo->device, &alloc_info, &demo->desc_set); |
| assert(!err); |
| |
| memset(&tex_descs, 0, sizeof(tex_descs)); |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| tex_descs[i].sampler = demo->textures[i].sampler; |
| tex_descs[i].imageView = demo->textures[i].view; |
| tex_descs[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL; |
| } |
| |
| memset(&write, 0, sizeof(write)); |
| write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; |
| write.destSet = demo->desc_set; |
| write.descriptorCount = DEMO_TEXTURE_COUNT; |
| write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; |
| write.pImageInfo = tex_descs; |
| |
| vkUpdateDescriptorSets(demo->device, 1, &write, 0, NULL); |
| } |
| |
| 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, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| uint32_t i; |
| |
| 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]); |
| assert(!err); |
| } |
| } |
| |
| static void demo_prepare(struct demo *demo) |
| { |
| VkResult U_ASSERT_ONLY err; |
| |
| const VkCmdPoolCreateInfo cmd_pool_info = { |
| .sType = VK_STRUCTURE_TYPE_CMD_POOL_CREATE_INFO, |
| .pNext = NULL, |
| .queueFamilyIndex = demo->graphics_queue_node_index, |
| .flags = 0, |
| }; |
| err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL, &demo->cmd_pool); |
| assert(!err); |
| |
| const VkCmdBufferAllocInfo cmd = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_ALLOC_INFO, |
| .pNext = NULL, |
| .cmdPool = demo->cmd_pool, |
| .level = VK_CMD_BUFFER_LEVEL_PRIMARY, |
| .bufferCount = 1, |
| }; |
| err = vkAllocCommandBuffers(demo->device, &cmd, &demo->draw_cmd); |
| assert(!err); |
| |
| demo_prepare_buffers(demo); |
| demo_prepare_depth(demo); |
| demo_prepare_textures(demo); |
| demo_prepare_vertices(demo); |
| demo_prepare_descriptor_layout(demo); |
| demo_prepare_render_pass(demo); |
| demo_prepare_pipeline(demo); |
| |
| demo_prepare_descriptor_pool(demo); |
| demo_prepare_descriptor_set(demo); |
| |
| demo_prepare_framebuffers(demo); |
| |
| demo->prepared = true; |
| } |
| |
| #ifdef _WIN32 |
| static void demo_run(struct demo *demo) |
| { |
| if (!demo->prepared) |
| return; |
| demo_draw(demo); |
| |
| if (demo->depthStencil > 0.99f) |
| demo->depthIncrement = -0.001f; |
| if (demo->depthStencil < 0.8f) |
| demo->depthIncrement = 0.001f; |
| |
| demo->depthStencil += demo->depthIncrement; |
| } |
| |
| // On MS-Windows, make this a global, so it's available to WndProc() |
| struct demo demo; |
| |
| // MS-Windows event handling function: |
| LRESULT CALLBACK WndProc(HWND hWnd, |
| UINT uMsg, |
| WPARAM wParam, |
| LPARAM lParam) |
| { |
| char tmp_str[] = APP_LONG_NAME; |
| |
| switch(uMsg) |
| { |
| case WM_CREATE: |
| return 0; |
| case WM_CLOSE: |
| PostQuitMessage(0); |
| return 0; |
| case WM_PAINT: |
| if (demo.prepared) { |
| demo_run(&demo); |
| break; |
| } |
| case WM_SIZE: |
| demo.width = lParam & 0xffff; |
| demo.height = lParam & 0xffff0000 >> 16; |
| demo_resize(&demo); |
| break; |
| default: |
| break; |
| } |
| return (DefWindowProc(hWnd, uMsg, wParam, lParam)); |
| } |
| |
| static void demo_create_window(struct demo *demo) |
| { |
| WNDCLASSEX win_class; |
| |
| // Initialize the window class structure: |
| win_class.cbSize = sizeof(WNDCLASSEX); |
| win_class.style = CS_HREDRAW | CS_VREDRAW; |
| win_class.lpfnWndProc = WndProc; |
| win_class.cbClsExtra = 0; |
| win_class.cbWndExtra = 0; |
| win_class.hInstance = demo->connection; // hInstance |
| win_class.hIcon = LoadIcon(NULL, IDI_APPLICATION); |
| win_class.hCursor = LoadCursor(NULL, IDC_ARROW); |
| win_class.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); |
| win_class.lpszMenuName = NULL; |
| win_class.lpszClassName = demo->name; |
| win_class.hIconSm = LoadIcon(NULL, IDI_WINLOGO); |
| // Register window class: |
| if (!RegisterClassEx(&win_class)) { |
| // It didn't work, so try to give a useful error: |
| printf("Unexpected error trying to start the application!\n"); |
| fflush(stdout); |
| exit(1); |
| } |
| // Create window with the registered class: |
| 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 |
| if (!demo->window) { |
| // It didn't work, so try to give a useful error: |
| printf("Cannot create a window in which to draw!\n"); |
| fflush(stdout); |
| exit(1); |
| } |
| } |
| #else // _WIN32 |
| |
| static void demo_handle_event(struct demo *demo, |
| 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) { |
| demo->quit = true; |
| } |
| break; |
| 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; |
| 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); |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void demo_run(struct demo *demo) |
| { |
| xcb_flush(demo->connection); |
| |
| while (!demo->quit) { |
| xcb_generic_event_t *event; |
| |
| event = xcb_poll_for_event(demo->connection); |
| if (event) { |
| demo_handle_event(demo, event); |
| free(event); |
| } |
| |
| demo_draw(demo); |
| |
| if (demo->depthStencil > 0.99f) |
| demo->depthIncrement = -0.001f; |
| if (demo->depthStencil < 0.8f) |
| demo->depthIncrement = 0.001f; |
| |
| demo->depthStencil += demo->depthIncrement; |
| |
| // Wait for work to finish before updating MVP. |
| vkDeviceWaitIdle(demo->device); |
| } |
| } |
| |
| 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 | |
| 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); |
| |
| /* 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 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, |
| &(*demo->atom_wm_delete_window).atom); |
| free(reply); |
| |
| xcb_map_window(demo->connection, demo->window); |
| } |
| #endif // _WIN32 |
| |
| /* |
| * Return 1 (true) if all layer names specified in check_names |
| * 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) |
| { |
| for (uint32_t i = 0; i < check_count; i++) { |
| VkBool32 found = 0; |
| for (uint32_t j = 0; j < layer_count; j++) { |
| if (!strcmp(check_names[i], layers[j].layerName)) { |
| found = 1; |
| } |
| } |
| if (!found) { |
| fprintf(stderr, "Cannot find layer: %s\n", check_names[i]); |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| void* VKAPI myalloc( |
| void* pUserData, |
| size_t size, |
| size_t alignment, |
| VkSystemAllocScope allocScope) |
| { |
| return malloc(size); |
| } |
| void VKAPI myfree( |
| void* pUserData, |
| void* pMem) |
| { |
| free(pMem); |
| } |
| static void demo_init_vk(struct demo *demo) |
| { |
| VkResult err; |
| char *extension_names[64]; |
| char *layer_names[64]; |
| VkExtensionProperties *instance_extensions; |
| VkPhysicalDevice *physical_devices; |
| VkLayerProperties *instance_layers; |
| VkLayerProperties *device_layers; |
| uint32_t instance_extension_count = 0; |
| uint32_t instance_layer_count = 0; |
| uint32_t enabled_extension_count = 0; |
| uint32_t enabled_layer_count = 0; |
| |
| char *instance_validation_layers[] = { |
| "MemTracker", |
| }; |
| |
| char *device_validation_layers[] = { |
| "MemTracker", |
| }; |
| |
| /* Look for validation layers */ |
| VkBool32 validation_found = 0; |
| err = vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL); |
| assert(!err); |
| |
| instance_layers = malloc(sizeof(VkLayerProperties) * instance_layer_count); |
| 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); |
| if (!validation_found) { |
| ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find" |
| "required validation layer.\n\n" |
| "Please look at the Getting Started guide for additional " |
| "information.\n", |
| "vkCreateInstance Failure"); |
| } |
| enabled_layer_count = ARRAY_SIZE(instance_validation_layers); |
| } |
| |
| err = vkEnumerateInstanceExtensionProperties(NULL, &instance_extension_count, NULL); |
| assert(!err); |
| |
| VkBool32 swapchainExtFound = 0; |
| memset(extension_names, 0, sizeof(extension_names)); |
| 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_EXT_KHR_swapchain", instance_extensions[i].extName)) { |
| swapchainExtFound = 1; |
| extension_names[enabled_extension_count++] = "VK_EXT_KHR_swapchain"; |
| } |
| if (!strcmp(VK_DEBUG_REPORT_EXTENSION_NAME, instance_extensions[i].extName)) { |
| if (demo->validate) { |
| extension_names[enabled_extension_count++] = VK_DEBUG_REPORT_EXTENSION_NAME; |
| } |
| } |
| assert(enabled_extension_count < 64); |
| } |
| if (!swapchainExtFound) { |
| ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find the " |
| "\"VK_EXT_KHR_swapchain\" 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"); |
| } |
| const VkApplicationInfo app = { |
| .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, |
| .pNext = NULL, |
| .pAppName = APP_SHORT_NAME, |
| .appVersion = 0, |
| .pEngineName = APP_SHORT_NAME, |
| .engineVersion = 0, |
| .apiVersion = VK_API_VERSION, |
| }; |
| VkInstanceCreateInfo inst_info = { |
| .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, |
| .pNext = NULL, |
| .pAppInfo = &app, |
| .enabledLayerNameCount = enabled_layer_count, |
| .ppEnabledLayerNames = (const char *const*) layer_names, |
| .enabledExtensionNameCount = enabled_extension_count, |
| .ppEnabledExtensionNames = (const char *const*) extension_names, |
| }; |
| float queue_priorities[1] = { 0.0 }; |
| const VkDeviceQueueCreateInfo queue = { |
| .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, |
| .pNext = NULL, |
| .queueFamilyIndex = 0, |
| .queuePriorityCount = 1, |
| .pQueuePriorities = queue_priorities |
| }; |
| uint32_t gpu_count; |
| |
| demo->allocator.pfnAlloc = myalloc; |
| demo->allocator.pfnFree = myfree; |
| |
| err = vkCreateInstance(&inst_info, &demo->allocator, &demo->inst); |
| if (err == VK_ERROR_INCOMPATIBLE_DRIVER) { |
| ERR_EXIT("Cannot find a compatible Vulkan installable client driver " |
| "(ICD).\n\nPlease look at the Getting Started guide for " |
| "additional information.\n", |
| "vkCreateInstance Failure"); |
| } else if (err == VK_ERROR_EXTENSION_NOT_PRESENT) { |
| ERR_EXIT("Cannot find a specified extension library" |
| ".\nMake sure your layers path is set appropriately\n", |
| "vkCreateInstance Failure"); |
| } else if (err) { |
| ERR_EXIT("vkCreateInstance failed.\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"); |
| } |
| |
| free(instance_layers); |
| free(instance_extensions); |
| |
| /* Make initial call to query gpu_count, then second call for gpu info*/ |
| err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, NULL); |
| assert(!err && gpu_count > 0); |
| physical_devices = malloc(sizeof(VkPhysicalDevice) * gpu_count); |
| err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, physical_devices); |
| assert(!err); |
| /* For tri demo we just grab the first physical device */ |
| demo->gpu = physical_devices[0]; |
| free(physical_devices); |
| |
| /* Look for validation layers */ |
| validation_found = 0; |
| enabled_layer_count = 0; |
| uint32_t device_layer_count = 0; |
| 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); |
| assert(!err); |
| |
| if (demo->validate) { |
| validation_found = demo_check_layers(ARRAY_SIZE(device_validation_layers), device_validation_layers, |
| device_layer_count, device_layers); |
| if (!validation_found) { |
| ERR_EXIT("vkEnumerateDeviceLayerProperties failed to find" |
| "a required validation layer.\n\n" |
| "Please look at the Getting Started guide for additional " |
| "information.\n", |
| "vkCreateDevice Failure"); |
| } |
| enabled_layer_count = ARRAY_SIZE(device_validation_layers); |
| } |
| |
| uint32_t device_extension_count = 0; |
| VkExtensionProperties *device_extensions = NULL; |
| err = vkEnumerateDeviceExtensionProperties( |
| demo->gpu, NULL, &device_extension_count, NULL); |
| assert(!err); |
| |
| swapchainExtFound = 0; |
| enabled_extension_count = 0; |
| memset(extension_names, 0, sizeof(extension_names)); |
| device_extensions = malloc(sizeof(VkExtensionProperties) * device_extension_count); |
| err = vkEnumerateDeviceExtensionProperties( |
| demo->gpu, NULL, &device_extension_count, device_extensions); |
| assert(!err); |
| |
| for (uint32_t i = 0; i < device_extension_count; i++) { |
| if (!strcmp("VK_EXT_KHR_device_swapchain", device_extensions[i].extName)) { |
| swapchainExtFound = 1; |
| extension_names[enabled_extension_count++] = "VK_EXT_KHR_device_swapchain"; |
| } |
| assert(enabled_extension_count < 64); |
| } |
| if (!swapchainExtFound) { |
| ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find the " |
| "\"VK_EXT_KHR_device_swapchain\" 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"); |
| } |
| |
| VkDeviceCreateInfo device = { |
| .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, |
| .pNext = NULL, |
| .requestedQueueCount = 1, |
| .pRequestedQueues = &queue, |
| .enabledLayerNameCount = enabled_layer_count, |
| .ppEnabledLayerNames = (const char *const*) ((demo->validate) ? device_validation_layers : NULL), |
| .enabledExtensionNameCount = enabled_extension_count, |
| .ppEnabledExtensionNames = (const char *const*) extension_names, |
| }; |
| |
| if (demo->validate) { |
| demo->dbgCreateMsgCallback = (PFN_vkDbgCreateMsgCallback) vkGetInstanceProcAddr(demo->inst, "vkDbgCreateMsgCallback"); |
| if (!demo->dbgCreateMsgCallback) { |
| ERR_EXIT("GetProcAddr: Unable to find vkDbgCreateMsgCallback\n", |
| "vkGetProcAddr Failure"); |
| } |
| err = demo->dbgCreateMsgCallback( |
| demo->inst, |
| VK_DBG_REPORT_ERROR_BIT | VK_DBG_REPORT_WARN_BIT, |
| dbgFunc, NULL, |
| &demo->msg_callback); |
| switch (err) { |
| case VK_SUCCESS: |
| break; |
| case VK_ERROR_OUT_OF_HOST_MEMORY: |
| ERR_EXIT("dbgCreateMsgCallback: out of host memory\n", |
| "dbgCreateMsgCallback Failure"); |
| break; |
| default: |
| ERR_EXIT("dbgCreateMsgCallback: unknown failure\n", |
| "dbgCreateMsgCallback Failure"); |
| break; |
| } |
| } |
| |
| |
| err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device); |
| assert(!err); |
| |
| GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceSupportKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, GetSurfacePropertiesKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, GetSurfaceFormatsKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, GetSurfacePresentModesKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, CreateSwapchainKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, CreateSwapchainKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, DestroySwapchainKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, GetSwapchainImagesKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, AcquireNextImageKHR); |
| GET_DEVICE_PROC_ADDR(demo->device, QueuePresentKHR); |
| |
| vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props); |
| |
| // Query with NULL data to get count |
| 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); |
| assert(demo->queue_count >= 1); |
| |
| // Graphics queue and MemMgr queue can be separate. |
| // TODO: Add support for separate queues, including synchronization, |
| // and appropriate tracking for QueueSubmit |
| } |
| |
| static void demo_init_vk_swapchain(struct demo *demo) |
| { |
| VkResult U_ASSERT_ONLY err; |
| uint32_t i; |
| |
| // Construct the surface description: |
| demo->surface_description.sType = VK_STRUCTURE_TYPE_SURFACE_DESCRIPTION_WINDOW_KHR; |
| demo->surface_description.pNext = NULL; |
| #ifdef _WIN32 |
| demo->surface_description.platform = VK_PLATFORM_WIN32_KHR; |
| demo->surface_description.pPlatformHandle = demo->connection; |
| demo->surface_description.pPlatformWindow = demo->window; |
| #else // _WIN32 |
| demo->platform_handle_xcb.connection = demo->connection; |
| demo->platform_handle_xcb.root = demo->screen->root; |
| demo->surface_description.platform = VK_PLATFORM_XCB_KHR; |
| demo->surface_description.pPlatformHandle = &demo->platform_handle_xcb; |
| demo->surface_description.pPlatformWindow = &demo->window; |
| #endif // _WIN32 |
| |
| // Iterate over each queue to learn whether it supports presenting: |
| VkBool32* supportsPresent = (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32)); |
| for (i = 0; i < demo->queue_count; i++) { |
| demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, |
| (VkSurfaceDescriptionKHR *) &demo->surface_description, |
| &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; |
| 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; |
| break; |
| } |
| } |
| } |
| if (presentQueueNodeIndex == UINT32_MAX) { |
| // If didn't find a queue that supports both graphics and present, then |
| // find a separate present queue. |
| for (uint32_t i = 0; i < demo->queue_count; ++i) { |
| if (supportsPresent[i] == VK_TRUE) { |
| presentQueueNodeIndex = i; |
| break; |
| } |
| } |
| } |
| free(supportsPresent); |
| |
| // Generate error if could not find both a graphics and a present queue |
| if (graphicsQueueNodeIndex == UINT32_MAX || presentQueueNodeIndex == UINT32_MAX) { |
| ERR_EXIT("Could not find a graphics and a present queue\n", |
| "Swapchain Initialization Failure"); |
| } |
| |
| // TODO: Add support for separate queues, including presentation, |
| // synchronization, and appropriate tracking for QueueSubmit |
| // While it is possible for an application to use a separate graphics and a |
| // present queues, this demo program assumes it is only using one: |
| if (graphicsQueueNodeIndex != presentQueueNodeIndex) { |
| ERR_EXIT("Could not find a common graphics and a present queue\n", |
| "Swapchain Initialization Failure"); |
| } |
| |
| demo->graphics_queue_node_index = graphicsQueueNodeIndex; |
| |
| 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->fpGetSurfaceFormatsKHR(demo->device, |
| (VkSurfaceDescriptionKHR *) &demo->surface_description, |
| &formatCount, NULL); |
| assert(!err); |
| VkSurfaceFormatKHR *surfFormats = |
| (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR)); |
| err = demo->fpGetSurfaceFormatsKHR(demo->device, |
| (VkSurfaceDescriptionKHR *) &demo->surface_description, |
| &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) |
| { |
| demo->format = VK_FORMAT_B8G8R8A8_UNORM; |
| } |
| else |
| { |
| assert(formatCount >= 1); |
| demo->format = surfFormats[0].format; |
| } |
| demo->color_space = surfFormats[0].colorSpace; |
| |
| // Get Memory information and properties |
| vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties); |
| } |
| |
| static void demo_init_connection(struct demo *demo) |
| { |
| #ifndef _WIN32 |
| const xcb_setup_t *setup; |
| xcb_screen_iterator_t iter; |
| int scr; |
| |
| demo->connection = xcb_connect(NULL, &scr); |
| if (demo->connection == NULL) { |
| printf("Cannot find a compatible Vulkan installable client driver " |
| "(ICD).\nExiting ...\n"); |
| fflush(stdout); |
| exit(1); |
| } |
| |
| setup = xcb_get_setup(demo->connection); |
| iter = xcb_setup_roots_iterator(setup); |
| while (scr-- > 0) |
| xcb_screen_next(&iter); |
| |
| demo->screen = iter.data; |
| #endif // _WIN32 |
| } |
| |
| #ifdef _WIN32 |
| static void demo_init(struct demo *demo, HINSTANCE hInstance, LPSTR pCmdLine) |
| #else // _WIN32 |
| static void demo_init(struct demo *demo, const int argc, const char *argv[]) |
| #endif // _WIN32 |
| { |
| bool argv_error = false; |
| |
| memset(demo, 0, sizeof(*demo)); |
| |
| #ifdef _WIN32 |
| demo->connection = hInstance; |
| strncpy(demo->name, APP_SHORT_NAME, APP_NAME_STR_LEN); |
| |
| if (strncmp(pCmdLine, "--use_staging", strlen("--use_staging")) == 0) |
| demo->use_staging_buffer = true; |
| else if (strncmp(pCmdLine, "--use_glsl", strlen("--use_glsl")) == 0) |
| demo->use_glsl = true; |
| else if (strlen(pCmdLine) != 0) { |
| fprintf(stderr, "Do not recognize argument \"%s\".\n", pCmdLine); |
| argv_error = true; |
| } |
| #else // _WIN32 |
| for (int i = 0; i < argc; i++) { |
| if (strncmp(argv[i], "--use_staging", strlen("--use_staging")) == 0) |
| demo->use_staging_buffer = true; |
| else if (strncmp(argv[i], "--use_glsl", strlen("--use_glsl")) == 0) |
| demo->use_glsl = true; |
| } |
| #endif // _WIN32 |
| if (argv_error) { |
| fprintf(stderr, "Usage:\n %s [--use_staging]\n", APP_SHORT_NAME); |
| fflush(stderr); |
| exit(1); |
| } |
| |
| demo_init_connection(demo); |
| demo_init_vk(demo); |
| |
| demo->width = 300; |
| demo->height = 300; |
| demo->depthStencil = 1.0; |
| demo->depthIncrement = -0.01f; |
| } |
| |
| static void demo_cleanup(struct demo *demo) |
| { |
| uint32_t i; |
| |
| demo->prepared = false; |
| |
| for (i = 0; i < demo->swapchainImageCount; i++) { |
| vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL); |
| } |
| free(demo->framebuffers); |
| vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL); |
| |
| if (demo->setup_cmd) { |
| vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd); |
| } |
| vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd); |
| vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL); |
| |
| vkDestroyPipeline(demo->device, demo->pipeline, NULL); |
| vkDestroyRenderPass(demo->device, demo->render_pass, NULL); |
| vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL); |
| vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL); |
| |
| vkDestroyBuffer(demo->device, demo->vertices.buf, NULL); |
| vkFreeMemory(demo->device, demo->vertices.mem, NULL); |
| |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| vkDestroyImageView(demo->device, demo->textures[i].view, NULL); |
| vkDestroyImage(demo->device, demo->textures[i].image, NULL); |
| vkFreeMemory(demo->device, demo->textures[i].mem, NULL); |
| vkDestroySampler(demo->device, demo->textures[i].sampler, NULL); |
| } |
| |
| for (i = 0; i < demo->swapchainImageCount; i++) { |
| vkDestroyImageView(demo->device, demo->buffers[i].view, NULL); |
| } |
| |
| vkDestroyImageView(demo->device, demo->depth.view, NULL); |
| vkDestroyImage(demo->device, demo->depth.image, NULL); |
| vkFreeMemory(demo->device, demo->depth.mem, NULL); |
| |
| demo->fpDestroySwapchainKHR(demo->device, demo->swapchain); |
| free(demo->buffers); |
| |
| vkDestroyDevice(demo->device, NULL); |
| vkDestroyInstance(demo->inst, &demo->allocator); |
| |
| free(demo->queue_props); |
| |
| #ifndef _WIN32 |
| xcb_destroy_window(demo->connection, demo->window); |
| xcb_disconnect(demo->connection); |
| free(demo->atom_wm_delete_window); |
| #endif // _WIN32 |
| } |
| |
| static void demo_resize(struct demo *demo) |
| { |
| uint32_t i; |
| |
| // Don't react to resize until after first initialization. |
| if (!demo->prepared) { |
| return; |
| } |
| // In order to properly resize the window, we must re-create the swapchain |
| // AND redo the command buffers, etc. |
| // |
| // First, perform part of the demo_cleanup() function: |
| demo->prepared = false; |
| |
| for (i = 0; i < demo->swapchainImageCount; i++) { |
| vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL); |
| } |
| free(demo->framebuffers); |
| vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL); |
| |
| if (demo->setup_cmd) { |
| vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd); |
| } |
| vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd); |
| vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL); |
| |
| vkDestroyPipeline(demo->device, demo->pipeline, NULL); |
| vkDestroyRenderPass(demo->device, demo->render_pass, NULL); |
| vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL); |
| vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL); |
| |
| vkDestroyBuffer(demo->device, demo->vertices.buf, NULL); |
| vkFreeMemory(demo->device, demo->vertices.mem, NULL); |
| |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| vkDestroyImageView(demo->device, demo->textures[i].view, NULL); |
| vkDestroyImage(demo->device, demo->textures[i].image, NULL); |
| vkFreeMemory(demo->device, demo->textures[i].mem, NULL); |
| vkDestroySampler(demo->device, demo->textures[i].sampler, NULL); |
| } |
| |
| for (i = 0; i < demo->swapchainImageCount; i++) { |
| vkDestroyImageView(demo->device, demo->buffers[i].view, NULL); |
| } |
| |
| vkDestroyImageView(demo->device, demo->depth.view, NULL); |
| vkDestroyImage(demo->device, demo->depth.image, NULL); |
| vkFreeMemory(demo->device, demo->depth.mem, NULL); |
| |
| free(demo->buffers); |
| |
| // Second, re-perform the demo_prepare() function, which will re-create the |
| // swapchain: |
| demo_prepare(demo); |
| } |
| |
| #ifdef _WIN32 |
| 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); |
| demo_init_vk_swapchain(&demo); |
| |
| demo_prepare(&demo); |
| |
| done = false; //initialize loop condition variable |
| /* main message loop*/ |
| while(!done) |
| { |
| PeekMessage(&msg, NULL, 0, 0, PM_REMOVE); |
| if (msg.message == WM_QUIT) //check for a quit message |
| { |
| done = true; //if found, quit app |
| } |
| else |
| { |
| /* Translate and dispatch to event queue*/ |
| TranslateMessage(&msg); |
| DispatchMessage(&msg); |
| } |
| RedrawWindow(demo.window, NULL, NULL, RDW_INTERNALPAINT); |
| } |
| |
| demo_cleanup(&demo); |
| |
| return (int) msg.wParam; |
| } |
| #else // _WIN32 |
| int main(const int argc, const char *argv[]) |
| { |
| struct demo demo; |
| |
| demo_init(&demo, argc, argv); |
| demo_create_window(&demo); |
| demo_init_vk_swapchain(&demo); |
| |
| demo_prepare(&demo); |
| demo_run(&demo); |
| |
| demo_cleanup(&demo); |
| |
| return 0; |
| } |
| #endif // _WIN32 |