| #define _GNU_SOURCE |
| #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 <vkDbg.h> |
| #include <vk_wsi_lunarg.h> |
| |
| #include "icd-spv.h" |
| |
| #include "linmath.h" |
| #include <png.h> |
| |
| #define DEMO_BUFFER_COUNT 2 |
| #define DEMO_TEXTURE_COUNT 1 |
| |
| /* |
| * structure to track all objects related to a texture. |
| */ |
| struct texture_object { |
| VkSampler sampler; |
| |
| VkImage image; |
| VkImageLayout imageLayout; |
| |
| uint32_t num_mem; |
| VkDeviceMemory *mem; |
| VkImageView view; |
| int32_t tex_width, tex_height; |
| }; |
| |
| static char *tex_files[] = { |
| "lunarg-logo-256x256-solid.png" |
| }; |
| |
| struct vkcube_vs_uniform { |
| // Must start with MVP |
| 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]; |
| }; |
| |
| //-------------------------------------------------------------------------------------- |
| // Mesh and VertexFormat Data |
| //-------------------------------------------------------------------------------------- |
| struct Vertex |
| { |
| float posX, posY, posZ, posW; // Position data |
| float r, g, b, a; // Color |
| }; |
| |
| struct VertexPosTex |
| { |
| float posX, posY, posZ, posW; // Position data |
| float u, v, s, t; // Texcoord |
| }; |
| |
| #define XYZ1(_x_, _y_, _z_) (_x_), (_y_), (_z_), 1.f |
| #define UV(_u_, _v_) (_u_), (_v_), 0.f, 1.f |
| |
| static const float g_vertex_buffer_data[] = { |
| -1.0f,-1.0f,-1.0f, // Vertex 0 |
| -1.0f,-1.0f, 1.0f, |
| -1.0f, 1.0f, 1.0f, |
| |
| -1.0f, 1.0f, 1.0f, // Vertex 1 |
| -1.0f, 1.0f,-1.0f, |
| -1.0f,-1.0f,-1.0f, |
| |
| -1.0f,-1.0f,-1.0f, // Vertex 2 |
| 1.0f, 1.0f,-1.0f, |
| 1.0f,-1.0f,-1.0f, |
| |
| -1.0f,-1.0f,-1.0f, // Vertex 3 |
| -1.0f, 1.0f,-1.0f, |
| 1.0f, 1.0f,-1.0f, |
| |
| -1.0f,-1.0f,-1.0f, // Vertex 4 |
| 1.0f,-1.0f,-1.0f, |
| 1.0f,-1.0f, 1.0f, |
| |
| -1.0f,-1.0f,-1.0f, // Vertex 5 |
| 1.0f,-1.0f, 1.0f, |
| -1.0f,-1.0f, 1.0f, |
| |
| -1.0f, 1.0f,-1.0f, // Vertex 6 |
| -1.0f, 1.0f, 1.0f, |
| 1.0f, 1.0f, 1.0f, |
| |
| -1.0f, 1.0f,-1.0f, // Vertex 7 |
| 1.0f, 1.0f, 1.0f, |
| 1.0f, 1.0f,-1.0f, |
| |
| 1.0f, 1.0f,-1.0f, // Vertex 8 |
| 1.0f, 1.0f, 1.0f, |
| 1.0f,-1.0f, 1.0f, |
| |
| 1.0f,-1.0f, 1.0f, // Vertex 9 |
| 1.0f,-1.0f,-1.0f, |
| 1.0f, 1.0f,-1.0f, |
| |
| -1.0f, 1.0f, 1.0f, // Vertex 10 |
| -1.0f,-1.0f, 1.0f, |
| 1.0f, 1.0f, 1.0f, |
| |
| -1.0f,-1.0f, 1.0f, // Vertex 11 |
| 1.0f,-1.0f, 1.0f, |
| 1.0f, 1.0f, 1.0f, |
| }; |
| |
| static const float g_uv_buffer_data[] = { |
| 1.0f, 0.0f, // Vertex 0 |
| 0.0f, 0.0f, |
| 0.0f, 1.0f, |
| |
| 0.0f, 1.0f, // Vertex 1 |
| 1.0f, 1.0f, |
| 1.0f, 0.0f, |
| |
| // 0.0f, 1.0f, // Vertex 2 |
| // 1.0f, 0.0f, |
| // 0.0f, 0.0f, |
| |
| // 0.0f, 1.0f, // Vertex 3 |
| // 1.0f, 0.0f, |
| // 1.0f, 1.0f, |
| |
| 0.0f, 0.0f, // Vertex 2 |
| 1.0f, 1.0f, |
| 1.0f, 0.0f, |
| |
| 0.0f, 0.0f, // Vertex 3 |
| 0.0f, 1.0f, |
| 1.0f, 1.0f, |
| |
| 0.0f, 1.0f, // Vertex 4 |
| 0.0f, 0.0f, |
| 1.0f, 0.0f, |
| |
| 0.0f, 1.0f, // Vertex 5 |
| 1.0f, 0.0f, |
| 1.0f, 1.0f, |
| |
| 0.0f, 1.0f, // Vertex 6 |
| 1.0f, 1.0f, |
| 1.0f, 0.0f, |
| |
| 0.0f, 1.0f, // Vertex 7 |
| 1.0f, 0.0f, |
| 0.0f, 0.0f, |
| |
| 0.0f, 1.0f, // Vertex 8 |
| 1.0f, 1.0f, |
| 1.0f, 0.0f, |
| |
| 1.0f, 0.0f, // Vertex 9 |
| 0.0f, 0.0f, |
| 0.0f, 1.0f, |
| |
| 1.0f, 1.0f, // Vertex 10 |
| 1.0f, 0.0f, |
| 0.0f, 1.0f, |
| |
| 1.0f, 0.0f, // Vertex 11 |
| 0.0f, 0.0f, |
| 0.0f, 1.0f, |
| }; |
| |
| void dumpMatrix(const char *note, mat4x4 MVP) |
| { |
| int i; |
| |
| printf("%s: \n", note); |
| 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) |
| { |
| printf("%s: \n", note); |
| printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]); |
| printf("\n"); |
| fflush(stdout); |
| } |
| |
| 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; |
| #endif // _WIN32 |
| bool use_staging_buffer; |
| |
| VkInstance inst; |
| VkPhysicalDevice gpu; |
| VkDevice device; |
| VkQueue queue; |
| uint32_t graphics_queue_node_index; |
| VkPhysicalDeviceProperties *gpu_props; |
| VkPhysicalDeviceQueueProperties *queue_props; |
| |
| VkFramebuffer framebuffer; |
| int width, height; |
| VkFormat format; |
| |
| VkSwapChainWSI swap_chain; |
| struct { |
| VkImage image; |
| VkDeviceMemory mem; |
| VkCmdBuffer cmd; |
| |
| VkColorAttachmentView view; |
| } buffers[DEMO_BUFFER_COUNT]; |
| |
| struct { |
| VkFormat format; |
| |
| VkImage image; |
| uint32_t num_mem; |
| VkDeviceMemory *mem; |
| VkDepthStencilView view; |
| } depth; |
| |
| struct texture_object textures[DEMO_TEXTURE_COUNT]; |
| |
| struct { |
| VkBuffer buf; |
| uint32_t num_mem; |
| VkDeviceMemory *mem; |
| VkBufferView view; |
| VkBufferViewAttachInfo attach; |
| } uniform_data; |
| |
| VkCmdBuffer cmd; // Buffer for initialization commands |
| VkPipelineLayout pipeline_layout; |
| VkDescriptorSetLayout desc_layout; |
| VkPipeline pipeline; |
| |
| VkDynamicVpState viewport; |
| VkDynamicRsState raster; |
| VkDynamicCbState color_blend; |
| VkDynamicDsState depth_stencil; |
| |
| mat4x4 projection_matrix; |
| mat4x4 view_matrix; |
| mat4x4 model_matrix; |
| |
| float spin_angle; |
| float spin_increment; |
| bool pause; |
| |
| VkDescriptorPool desc_pool; |
| VkDescriptorSet desc_set; |
| |
| bool quit; |
| uint32_t current_buffer; |
| }; |
| |
| static void demo_flush_init_cmd(struct demo *demo) |
| { |
| VkResult err; |
| |
| if (demo->cmd == VK_NULL_HANDLE) |
| return; |
| |
| err = vkEndCommandBuffer(demo->cmd); |
| assert(!err); |
| |
| const VkCmdBuffer cmd_bufs[] = { demo->cmd }; |
| |
| err = vkQueueSubmit(demo->queue, 1, cmd_bufs, VK_NULL_HANDLE); |
| assert(!err); |
| |
| err = vkQueueWaitIdle(demo->queue); |
| assert(!err); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COMMAND_BUFFER, demo->cmd); |
| demo->cmd = VK_NULL_HANDLE; |
| } |
| |
| static void demo_add_mem_refs( |
| struct demo *demo, |
| int num_refs, VkDeviceMemory *mem) |
| { |
| vkQueueAddMemReferences(demo->queue, num_refs, mem); |
| } |
| |
| static void demo_remove_mem_refs( |
| struct demo *demo, |
| int num_refs, VkDeviceMemory *mem) |
| { |
| vkQueueRemoveMemReferences(demo->queue, num_refs, mem); |
| } |
| |
| static void demo_set_image_layout( |
| struct demo *demo, |
| VkImage image, |
| VkImageLayout old_image_layout, |
| VkImageLayout new_image_layout) |
| { |
| VkResult err; |
| |
| if (demo->cmd == VK_NULL_HANDLE) { |
| const VkCmdBufferCreateInfo cmd = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO, |
| .pNext = NULL, |
| .queueNodeIndex = demo->graphics_queue_node_index, |
| .flags = 0, |
| }; |
| |
| err = vkCreateCommandBuffer(demo->device, &cmd, &demo->cmd); |
| assert(!err); |
| |
| VkCmdBufferBeginInfo cmd_buf_info = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO, |
| .pNext = NULL, |
| .flags = VK_CMD_BUFFER_OPTIMIZE_SMALL_BATCH_BIT | |
| VK_CMD_BUFFER_OPTIMIZE_ONE_TIME_SUBMIT_BIT, |
| }; |
| err = vkBeginCommandBuffer(demo->cmd, &cmd_buf_info); |
| } |
| |
| 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 = { VK_IMAGE_ASPECT_COLOR, 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_CPU_WRITE_BIT | VK_MEMORY_OUTPUT_TRANSFER_BIT; |
| } |
| |
| VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier; |
| |
| VkPipeEvent set_events[] = { VK_PIPE_EVENT_TOP_OF_PIPE }; |
| |
| vkCmdPipelineBarrier(demo->cmd, VK_WAIT_EVENT_TOP_OF_PIPE, 1, set_events, 1, (const void **)&pmemory_barrier); |
| } |
| |
| static void demo_draw_build_cmd(struct demo *demo, VkCmdBuffer cmd_buf) |
| { |
| const VkColorAttachmentBindInfo color_attachment = { |
| .view = demo->buffers[demo->current_buffer].view, |
| .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, |
| }; |
| const VkDepthStencilBindInfo depth_stencil = { |
| .view = demo->depth.view, |
| .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, |
| }; |
| const VkClearColor clear_color = { |
| .color.floatColor = { 0.2f, 0.2f, 0.2f, 0.2f }, |
| .useRawValue = false, |
| }; |
| const float clear_depth = 1.0f; |
| VkImageSubresourceRange clear_range; |
| VkCmdBufferBeginInfo cmd_buf_info = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO, |
| .pNext = NULL, |
| .flags = VK_CMD_BUFFER_OPTIMIZE_SMALL_BATCH_BIT | |
| VK_CMD_BUFFER_OPTIMIZE_ONE_TIME_SUBMIT_BIT, |
| }; |
| VkResult err; |
| VkAttachmentLoadOp load_op = VK_ATTACHMENT_LOAD_OP_DONT_CARE; |
| VkAttachmentStoreOp store_op = VK_ATTACHMENT_STORE_OP_DONT_CARE; |
| const VkFramebufferCreateInfo fb_info = { |
| .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, |
| .pNext = NULL, |
| .colorAttachmentCount = 1, |
| .pColorAttachments = (VkColorAttachmentBindInfo*) &color_attachment, |
| .pDepthStencilAttachment = (VkDepthStencilBindInfo*) &depth_stencil, |
| .sampleCount = 1, |
| .width = demo->width, |
| .height = demo->height, |
| .layers = 1, |
| }; |
| VkRenderPassCreateInfo rp_info; |
| VkRenderPassBegin rp_begin; |
| |
| memset(&rp_info, 0 , sizeof(rp_info)); |
| err = vkCreateFramebuffer(demo->device, &fb_info, &rp_begin.framebuffer); |
| assert(!err); |
| rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; |
| rp_info.renderArea.extent.width = demo->width; |
| rp_info.renderArea.extent.height = demo->height; |
| rp_info.colorAttachmentCount = fb_info.colorAttachmentCount; |
| rp_info.pColorFormats = &demo->format; |
| rp_info.pColorLayouts = &color_attachment.layout; |
| rp_info.pColorLoadOps = &load_op; |
| rp_info.pColorStoreOps = &store_op; |
| rp_info.pColorLoadClearValues = &clear_color; |
| rp_info.depthStencilFormat = VK_FORMAT_D16_UNORM; |
| rp_info.depthStencilLayout = depth_stencil.layout; |
| rp_info.depthLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; |
| rp_info.depthLoadClearValue = clear_depth; |
| rp_info.depthStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; |
| rp_info.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; |
| rp_info.stencilLoadClearValue = 0; |
| rp_info.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; |
| err = vkCreateRenderPass(demo->device, &rp_info, &rp_begin.renderPass); |
| assert(!err); |
| |
| err = vkBeginCommandBuffer(cmd_buf, &cmd_buf_info); |
| assert(!err); |
| |
| vkCmdBindPipeline(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, |
| demo->pipeline); |
| vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, |
| 0, 1, &demo->desc_set, 0, NULL); |
| |
| vkCmdBindDynamicStateObject(cmd_buf, VK_STATE_BIND_POINT_VIEWPORT, demo->viewport); |
| vkCmdBindDynamicStateObject(cmd_buf, VK_STATE_BIND_POINT_RASTER, demo->raster); |
| vkCmdBindDynamicStateObject(cmd_buf, VK_STATE_BIND_POINT_COLOR_BLEND, |
| demo->color_blend); |
| vkCmdBindDynamicStateObject(cmd_buf, VK_STATE_BIND_POINT_DEPTH_STENCIL, |
| demo->depth_stencil); |
| |
| vkCmdBeginRenderPass(cmd_buf, &rp_begin); |
| clear_range.aspect = VK_IMAGE_ASPECT_COLOR; |
| clear_range.baseMipLevel = 0; |
| clear_range.mipLevels = 1; |
| clear_range.baseArraySlice = 0; |
| clear_range.arraySize = 1; |
| vkCmdClearColorImage(cmd_buf, |
| demo->buffers[demo->current_buffer].image, |
| VK_IMAGE_LAYOUT_CLEAR_OPTIMAL, |
| clear_color, 1, &clear_range); |
| |
| clear_range.aspect = VK_IMAGE_ASPECT_DEPTH; |
| vkCmdClearDepthStencil(cmd_buf, demo->depth.image, |
| VK_IMAGE_LAYOUT_CLEAR_OPTIMAL, |
| clear_depth, 0, 1, &clear_range); |
| |
| vkCmdDraw(cmd_buf, 0, 12 * 3, 0, 1); |
| vkCmdEndRenderPass(cmd_buf, rp_begin.renderPass); |
| |
| err = vkEndCommandBuffer(cmd_buf); |
| assert(!err); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_RENDER_PASS, rp_begin.renderPass); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_FRAMEBUFFER, rp_begin.framebuffer); |
| } |
| |
| |
| void demo_update_data_buffer(struct demo *demo) |
| { |
| mat4x4 MVP, Model, VP; |
| int matrixSize = sizeof(MVP); |
| uint8_t *pData; |
| VkResult err; |
| |
| mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix); |
| |
| // 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_mul(MVP, VP, demo->model_matrix); |
| |
| assert(demo->uniform_data.num_mem == 1); |
| err = vkMapMemory(demo->device, demo->uniform_data.mem[0], 0, 0, 0, (void **) &pData); |
| assert(!err); |
| |
| memcpy(pData, (const void*) &MVP[0][0], matrixSize); |
| |
| err = vkUnmapMemory(demo->device, demo->uniform_data.mem[0]); |
| assert(!err); |
| } |
| |
| static void demo_draw(struct demo *demo) |
| { |
| const VkPresentInfoWSI present = { |
| .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_WSI, |
| .pNext = NULL, |
| .image = demo->buffers[demo->current_buffer].image, |
| .flipInterval = 0, |
| }; |
| VkResult err; |
| |
| err = vkQueueSubmit(demo->queue, 1, &demo->buffers[demo->current_buffer].cmd, |
| VK_NULL_HANDLE); |
| assert(!err); |
| |
| err = vkQueuePresentWSI(demo->queue, &present); |
| assert(!err); |
| |
| demo->current_buffer = (demo->current_buffer + 1) % DEMO_BUFFER_COUNT; |
| |
| err = vkQueueWaitIdle(demo->queue); |
| assert(err == VK_SUCCESS); |
| } |
| |
| static void demo_prepare_buffers(struct demo *demo) |
| { |
| const VkSwapChainCreateInfoWSI swap_chain = { |
| .sType = VK_STRUCTURE_TYPE_SWAP_CHAIN_CREATE_INFO_WSI, |
| .pNext = NULL, |
| .pNativeWindowSystemHandle = demo->connection, |
| .pNativeWindowHandle = (void *) (intptr_t) demo->window, |
| .imageCount = DEMO_BUFFER_COUNT, |
| .imageFormat = demo->format, |
| .imageExtent = { |
| .width = demo->width, |
| .height = demo->height, |
| }, |
| .imageArraySize = 1, |
| .imageUsageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, |
| }; |
| VkSwapChainImageInfoWSI images[DEMO_BUFFER_COUNT]; |
| size_t images_size = sizeof(images); |
| VkResult err; |
| uint32_t i; |
| |
| err = vkCreateSwapChainWSI(demo->device, &swap_chain, &demo->swap_chain); |
| assert(!err); |
| |
| err = vkGetSwapChainInfoWSI(demo->swap_chain, |
| VK_SWAP_CHAIN_INFO_TYPE_PERSISTENT_IMAGES_WSI, |
| &images_size, images); |
| assert(!err && images_size == sizeof(images)); |
| |
| for (i = 0; i < DEMO_BUFFER_COUNT; i++) { |
| VkColorAttachmentViewCreateInfo color_attachment_view = { |
| .sType = VK_STRUCTURE_TYPE_COLOR_ATTACHMENT_VIEW_CREATE_INFO, |
| .pNext = NULL, |
| .format = demo->format, |
| .mipLevel = 0, |
| .baseArraySlice = 0, |
| .arraySize = 1, |
| }; |
| |
| demo->buffers[i].image = images[i].image; |
| demo->buffers[i].mem = images[i].memory; |
| |
| demo_add_mem_refs(demo, 1, &demo->buffers[i].mem); |
| |
| demo_set_image_layout(demo, demo->buffers[i].image, |
| VK_IMAGE_LAYOUT_UNDEFINED, |
| VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); |
| |
| color_attachment_view.image = demo->buffers[i].image; |
| |
| err = vkCreateColorAttachmentView(demo->device, |
| &color_attachment_view, &demo->buffers[i].view); |
| assert(!err); |
| } |
| } |
| |
| 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, |
| .arraySize = 1, |
| .samples = 1, |
| .tiling = VK_IMAGE_TILING_OPTIMAL, |
| .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_BIT, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memProps = VK_MEMORY_PROPERTY_DEVICE_ONLY, |
| .memPriority = VK_MEMORY_PRIORITY_NORMAL, |
| }; |
| VkDepthStencilViewCreateInfo view = { |
| .sType = VK_STRUCTURE_TYPE_DEPTH_STENCIL_VIEW_CREATE_INFO, |
| .pNext = NULL, |
| .image = VK_NULL_HANDLE, |
| .mipLevel = 0, |
| .baseArraySlice = 0, |
| .arraySize = 1, |
| .flags = 0, |
| }; |
| |
| VkMemoryRequirements *mem_reqs; |
| size_t mem_reqs_size = sizeof(VkMemoryRequirements); |
| VkResult err; |
| uint32_t num_allocations = 0; |
| size_t num_alloc_size = sizeof(num_allocations); |
| |
| demo->depth.format = depth_format; |
| |
| /* create image */ |
| err = vkCreateImage(demo->device, &image, |
| &demo->depth.image); |
| assert(!err); |
| |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_IMAGE, demo->depth.image, |
| VK_OBJECT_INFO_TYPE_MEMORY_ALLOCATION_COUNT, |
| &num_alloc_size, &num_allocations); |
| assert(!err && num_alloc_size == sizeof(num_allocations)); |
| mem_reqs = malloc(num_allocations * sizeof(VkMemoryRequirements)); |
| demo->depth.mem = malloc(num_allocations * sizeof(VkDeviceMemory)); |
| demo->depth.num_mem = num_allocations; |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_IMAGE, demo->depth.image, |
| VK_OBJECT_INFO_TYPE_MEMORY_REQUIREMENTS, |
| &mem_reqs_size, mem_reqs); |
| assert(!err && mem_reqs_size == num_allocations * sizeof(VkMemoryRequirements)); |
| for (uint32_t i = 0; i < num_allocations; i ++) { |
| mem_alloc.allocationSize = mem_reqs[i].size; |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, |
| &(demo->depth.mem[i])); |
| assert(!err); |
| |
| /* bind memory */ |
| err = vkQueueBindObjectMemory(demo->queue, |
| VK_OBJECT_TYPE_IMAGE, demo->depth.image, |
| i, demo->depth.mem[i], 0); |
| assert(!err); |
| } |
| |
| demo_set_image_layout(demo, demo->depth.image, |
| VK_IMAGE_LAYOUT_UNDEFINED, |
| VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL); |
| |
| demo_add_mem_refs(demo, demo->depth.num_mem, demo->depth.mem); |
| |
| /* create image view */ |
| view.image = demo->depth.image; |
| err = vkCreateDepthStencilView(demo->device, &view, |
| &demo->depth.view); |
| assert(!err); |
| } |
| |
| /** loadTexture |
| * loads a png file into an memory object, using cstdio , libpng. |
| * |
| * \param demo : Needed to access VK calls |
| * \param filename : the png file to be loaded |
| * \param width : width of png, to be updated as a side effect of this function |
| * \param height : height of png, to be updated as a side effect of this function |
| * |
| * \return bool : an opengl texture id. true if successful?, |
| * should be validated by the client of this function. |
| * |
| * Source: http://en.wikibooks.org/wiki/OpenGL_Programming/Intermediate/Textures |
| * Modified to copy image to memory |
| * |
| */ |
| bool loadTexture(const char *filename, uint8_t *rgba_data, |
| VkSubresourceLayout *layout, |
| int32_t *width, int32_t *height) |
| { |
| //header for testing if it is a png |
| png_byte header[8]; |
| int is_png, bit_depth, color_type,rowbytes; |
| png_uint_32 i, twidth, theight; |
| png_structp png_ptr; |
| png_infop info_ptr, end_info; |
| png_byte *image_data; |
| png_bytep *row_pointers; |
| |
| //open file as binary |
| FILE *fp = fopen(filename, "rb"); |
| if (!fp) { |
| return false; |
| } |
| |
| //read the header |
| fread(header, 1, 8, fp); |
| |
| //test if png |
| is_png = !png_sig_cmp(header, 0, 8); |
| if (!is_png) { |
| fclose(fp); |
| return false; |
| } |
| |
| //create png struct |
| png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, |
| NULL, NULL); |
| if (!png_ptr) { |
| fclose(fp); |
| return (false); |
| } |
| |
| //create png info struct |
| info_ptr = png_create_info_struct(png_ptr); |
| if (!info_ptr) { |
| png_destroy_read_struct(&png_ptr, (png_infopp) NULL, (png_infopp) NULL); |
| fclose(fp); |
| return (false); |
| } |
| |
| //create png info struct |
| end_info = png_create_info_struct(png_ptr); |
| if (!end_info) { |
| png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL); |
| fclose(fp); |
| return (false); |
| } |
| |
| //png error stuff, not sure libpng man suggests this. |
| if (setjmp(png_jmpbuf(png_ptr))) { |
| png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
| fclose(fp); |
| return (false); |
| } |
| |
| //init png reading |
| png_init_io(png_ptr, fp); |
| |
| //let libpng know you already read the first 8 bytes |
| png_set_sig_bytes(png_ptr, 8); |
| |
| // read all the info up to the image data |
| png_read_info(png_ptr, info_ptr); |
| |
| // get info about png |
| png_get_IHDR(png_ptr, info_ptr, &twidth, &theight, &bit_depth, &color_type, |
| NULL, NULL, NULL); |
| |
| //update width and height based on png info |
| *width = twidth; |
| *height = theight; |
| |
| // Require that incoming texture be 8bits per color component |
| // and 4 components (RGBA). |
| if (png_get_bit_depth(png_ptr, info_ptr) != 8 || |
| png_get_channels(png_ptr, info_ptr) != 4) { |
| return false; |
| } |
| |
| if (rgba_data == NULL) { |
| // If data pointer is null, we just want the width & height |
| // clean up memory and close stuff |
| png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
| fclose(fp); |
| |
| return true; |
| } |
| |
| // Update the png info struct. |
| png_read_update_info(png_ptr, info_ptr); |
| |
| // Row size in bytes. |
| rowbytes = png_get_rowbytes(png_ptr, info_ptr); |
| |
| // Allocate the image_data as a big block, to be given to opengl |
| image_data = (png_byte *)malloc(rowbytes * theight * sizeof(png_byte)); |
| if (!image_data) { |
| //clean up memory and close stuff |
| png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
| fclose(fp); |
| return false; |
| } |
| |
| // row_pointers is for pointing to image_data for reading the png with libpng |
| row_pointers = (png_bytep *)malloc(theight * sizeof(png_bytep)); |
| if (!row_pointers) { |
| //clean up memory and close stuff |
| png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
| // delete[] image_data; |
| fclose(fp); |
| return false; |
| } |
| // set the individual row_pointers to point at the correct offsets of image_data |
| for (i = 0; i < theight; ++i) |
| row_pointers[theight - 1 - i] = rgba_data + i * layout->rowPitch; |
| |
| // read the png into image_data through row_pointers |
| png_read_image(png_ptr, row_pointers); |
| |
| // clean up memory and close stuff |
| png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
| free(row_pointers); |
| free(image_data); |
| fclose(fp); |
| |
| return true; |
| } |
| |
| static void demo_prepare_texture_image(struct demo *demo, |
| const char *filename, |
| struct texture_object *tex_obj, |
| VkImageTiling tiling, |
| VkFlags mem_props) |
| { |
| const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM; |
| int32_t tex_width; |
| int32_t tex_height; |
| VkResult err; |
| |
| err = loadTexture(filename, NULL, NULL, &tex_width, &tex_height); |
| assert(err); |
| |
| 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, |
| .arraySize = 1, |
| .samples = 1, |
| .tiling = tiling, |
| .usage = VK_IMAGE_USAGE_TRANSFER_SOURCE_BIT, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memProps = mem_props, |
| .memPriority = VK_MEMORY_PRIORITY_NORMAL, |
| }; |
| |
| VkMemoryRequirements *mem_reqs; |
| size_t mem_reqs_size = sizeof(VkMemoryRequirements); |
| uint32_t num_allocations = 0; |
| size_t num_alloc_size = sizeof(num_allocations); |
| |
| err = vkCreateImage(demo->device, &image_create_info, |
| &tex_obj->image); |
| assert(!err); |
| |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_IMAGE, tex_obj->image, |
| VK_OBJECT_INFO_TYPE_MEMORY_ALLOCATION_COUNT, |
| &num_alloc_size, &num_allocations); |
| assert(!err && num_alloc_size == sizeof(num_allocations)); |
| mem_reqs = malloc(num_allocations * sizeof(VkMemoryRequirements)); |
| tex_obj->mem = malloc(num_allocations * sizeof(VkDeviceMemory)); |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_IMAGE, tex_obj->image, |
| VK_OBJECT_INFO_TYPE_MEMORY_REQUIREMENTS, |
| &mem_reqs_size, mem_reqs); |
| assert(!err && mem_reqs_size == num_allocations * sizeof(VkMemoryRequirements)); |
| mem_alloc.memProps = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; |
| for (uint32_t j = 0; j < num_allocations; j ++) { |
| mem_alloc.allocationSize = mem_reqs[j].size; |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, |
| &(tex_obj->mem[j])); |
| assert(!err); |
| |
| /* bind memory */ |
| err = vkQueueBindObjectMemory(demo->queue, |
| VK_OBJECT_TYPE_IMAGE, tex_obj->image, |
| j, tex_obj->mem[j], 0); |
| assert(!err); |
| } |
| free(mem_reqs); |
| mem_reqs = NULL; |
| |
| tex_obj->num_mem = num_allocations; |
| |
| if (mem_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) { |
| const VkImageSubresource subres = { |
| .aspect = VK_IMAGE_ASPECT_COLOR, |
| .mipLevel = 0, |
| .arraySlice = 0, |
| }; |
| VkSubresourceLayout layout; |
| size_t layout_size = sizeof(VkSubresourceLayout); |
| void *data; |
| |
| err = vkGetImageSubresourceInfo(demo->device, tex_obj->image, &subres, |
| VK_SUBRESOURCE_INFO_TYPE_LAYOUT, |
| &layout_size, &layout); |
| assert(!err && layout_size == sizeof(layout)); |
| /* Linear texture must be within a single memory object */ |
| assert(num_allocations == 1); |
| |
| err = vkMapMemory(demo->device, tex_obj->mem[0], 0, 0, 0, &data); |
| assert(!err); |
| |
| if (!loadTexture(filename, data, &layout, &tex_width, &tex_height)) { |
| fprintf(stderr, "Error loading texture: %s\n", filename); |
| } |
| |
| err = vkUnmapMemory(demo->device, tex_obj->mem[0]); |
| assert(!err); |
| } |
| |
| tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; |
| demo_set_image_layout(demo, tex_obj->image, |
| 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) |
| { |
| /* clean up staging resources */ |
| for (uint32_t j = 0; j < tex_objs->num_mem; j ++) { |
| vkQueueBindObjectMemory(demo->queue, |
| VK_OBJECT_TYPE_IMAGE, tex_objs->image, j, VK_NULL_HANDLE, 0); |
| vkFreeMemory(demo->device, tex_objs->mem[j]); |
| } |
| |
| free(tex_objs->mem); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, tex_objs->image); |
| } |
| |
| static void demo_prepare_textures(struct demo *demo) |
| { |
| const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM; |
| VkFormatProperties props; |
| size_t size = sizeof(props); |
| VkResult err; |
| uint32_t i; |
| |
| err = vkGetFormatInfo(demo->device, tex_format, |
| VK_FORMAT_INFO_TYPE_PROPERTIES, |
| &size, &props); |
| assert(!err); |
| |
| 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_files[i], &demo->textures[i], |
| VK_IMAGE_TILING_LINEAR, 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_MEMORY_PROPERTY_HOST_VISIBLE_BIT); |
| |
| demo_prepare_texture_image(demo, tex_files[i], &demo->textures[i], |
| VK_IMAGE_TILING_OPTIMAL, VK_MEMORY_PROPERTY_DEVICE_ONLY); |
| |
| demo_set_image_layout(demo, staging_texture.image, |
| staging_texture.imageLayout, |
| VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL); |
| |
| demo_set_image_layout(demo, demo->textures[i].image, |
| demo->textures[i].imageLayout, |
| VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL); |
| |
| VkImageCopy copy_region = { |
| .srcSubresource = { VK_IMAGE_ASPECT_COLOR, 0, 0 }, |
| .srcOffset = { 0, 0, 0 }, |
| .destSubresource = { VK_IMAGE_ASPECT_COLOR, 0, 0 }, |
| .destOffset = { 0, 0, 0 }, |
| .extent = { staging_texture.tex_width, staging_texture.tex_height, 1 }, |
| }; |
| vkCmdCopyImage(demo->cmd, |
| staging_texture.image, VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL, |
| demo->textures[i].image, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL, |
| 1, ©_region); |
| |
| demo_add_mem_refs(demo, staging_texture.num_mem, staging_texture.mem); |
| demo_add_mem_refs(demo, demo->textures[i].num_mem, demo->textures[i].mem); |
| |
| demo_set_image_layout(demo, demo->textures[i].image, |
| VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL, |
| demo->textures[i].imageLayout); |
| |
| demo_flush_init_cmd(demo); |
| |
| demo_destroy_texture_image(demo, &staging_texture); |
| demo_remove_mem_refs(demo, staging_texture.num_mem, staging_texture.mem); |
| } else { |
| /* Can't support VK_FORMAT_B8G8R8A8_UNORM !? */ |
| assert(!"No support for tB8G8R8A8_UNORM as texture image format"); |
| } |
| |
| const VkSamplerCreateInfo sampler = { |
| .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, |
| .pNext = NULL, |
| .magFilter = VK_TEX_FILTER_NEAREST, |
| .minFilter = VK_TEX_FILTER_NEAREST, |
| .mipMode = VK_TEX_MIPMAP_MODE_BASE, |
| .addressU = VK_TEX_ADDRESS_CLAMP, |
| .addressV = VK_TEX_ADDRESS_CLAMP, |
| .addressW = VK_TEX_ADDRESS_CLAMP, |
| .mipLodBias = 0.0f, |
| .maxAnisotropy = 1, |
| .compareOp = VK_COMPARE_OP_NEVER, |
| .minLod = 0.0f, |
| .maxLod = 0.0f, |
| .borderColor = VK_BORDER_COLOR_OPAQUE_WHITE, |
| }; |
| |
| 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, 0, 1, 0, 1 }, |
| .minLod = 0.0f, |
| }; |
| |
| /* create sampler */ |
| err = vkCreateSampler(demo->device, &sampler, |
| &demo->textures[i].sampler); |
| assert(!err); |
| |
| /* create image view */ |
| view.image = demo->textures[i].image; |
| err = vkCreateImageView(demo->device, &view, |
| &demo->textures[i].view); |
| assert(!err); |
| } |
| } |
| |
| void demo_prepare_cube_data_buffer(struct demo *demo) |
| { |
| VkBufferCreateInfo buf_info; |
| VkBufferViewCreateInfo view_info; |
| VkMemoryAllocInfo alloc_info = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memProps = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, |
| .memPriority = VK_MEMORY_PRIORITY_NORMAL, |
| }; |
| VkMemoryRequirements *mem_reqs; |
| size_t mem_reqs_size = sizeof(VkMemoryRequirements); |
| uint32_t num_allocations = 0; |
| size_t num_alloc_size = sizeof(num_allocations); |
| uint8_t *pData; |
| int i; |
| mat4x4 MVP, VP; |
| VkResult err; |
| struct vktexcube_vs_uniform data; |
| |
| 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); |
| |
| 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][2] = 0; |
| data.attr[i][3] = 0; |
| } |
| |
| memset(&buf_info, 0, sizeof(buf_info)); |
| buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; |
| buf_info.size = sizeof(data); |
| buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; |
| err = vkCreateBuffer(demo->device, &buf_info, &demo->uniform_data.buf); |
| assert(!err); |
| |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_BUFFER, demo->uniform_data.buf, |
| VK_OBJECT_INFO_TYPE_MEMORY_ALLOCATION_COUNT, |
| &num_alloc_size, &num_allocations); |
| assert(!err && num_alloc_size == sizeof(num_allocations)); |
| mem_reqs = malloc(num_allocations * sizeof(VkMemoryRequirements)); |
| demo->uniform_data.mem = malloc(num_allocations * sizeof(VkDeviceMemory)); |
| demo->uniform_data.num_mem = num_allocations; |
| err = vkGetObjectInfo(demo->device, |
| VK_OBJECT_TYPE_BUFFER, demo->uniform_data.buf, |
| VK_OBJECT_INFO_TYPE_MEMORY_REQUIREMENTS, |
| &mem_reqs_size, mem_reqs); |
| assert(!err && mem_reqs_size == num_allocations * sizeof(*mem_reqs)); |
| for (uint32_t i = 0; i < num_allocations; i ++) { |
| alloc_info.allocationSize = mem_reqs[i].size; |
| |
| err = vkAllocMemory(demo->device, &alloc_info, &(demo->uniform_data.mem[i])); |
| assert(!err); |
| |
| err = vkMapMemory(demo->device, demo->uniform_data.mem[i], 0, 0, 0, (void **) &pData); |
| assert(!err); |
| |
| memcpy(pData, &data, (size_t)alloc_info.allocationSize); |
| |
| err = vkUnmapMemory(demo->device, demo->uniform_data.mem[i]); |
| assert(!err); |
| |
| err = vkQueueBindObjectMemory(demo->queue, |
| VK_OBJECT_TYPE_BUFFER, demo->uniform_data.buf, |
| i, demo->uniform_data.mem[i], 0); |
| assert(!err); |
| } |
| demo_add_mem_refs(demo, demo->uniform_data.num_mem, demo->uniform_data.mem); |
| |
| memset(&view_info, 0, sizeof(view_info)); |
| view_info.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO; |
| view_info.buffer = demo->uniform_data.buf; |
| view_info.viewType = VK_BUFFER_VIEW_TYPE_RAW; |
| view_info.offset = 0; |
| view_info.range = sizeof(data); |
| |
| err = vkCreateBufferView(demo->device, &view_info, &demo->uniform_data.view); |
| assert(!err); |
| |
| demo->uniform_data.attach.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO; |
| demo->uniform_data.attach.view = demo->uniform_data.view; |
| } |
| |
| static void demo_prepare_descriptor_layout(struct demo *demo) |
| { |
| const VkDescriptorSetLayoutBinding layout_bindings[2] = { |
| [0] = { |
| .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, |
| .count = 1, |
| .stageFlags = VK_SHADER_STAGE_VERTEX_BIT, |
| .pImmutableSamplers = NULL, |
| }, |
| [1] = { |
| .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
| .count = 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, |
| .count = 2, |
| .pBinding = layout_bindings, |
| }; |
| VkResult err; |
| |
| err = vkCreateDescriptorSetLayout(demo->device, |
| &descriptor_layout, &demo->desc_layout); |
| assert(!err); |
| |
| const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = { |
| .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, |
| .pNext = NULL, |
| .descriptorSetCount = 1, |
| .pSetLayouts = &demo->desc_layout, |
| }; |
| |
| err = vkCreatePipelineLayout(demo->device, |
| &pPipelineLayoutCreateInfo, |
| &demo->pipeline_layout); |
| assert(!err); |
| } |
| |
| static VkShader demo_prepare_shader(struct demo *demo, |
| VkShaderStage stage, |
| const void *code, |
| size_t size) |
| { |
| VkShaderCreateInfo createInfo; |
| VkShader shader; |
| VkResult err; |
| |
| |
| createInfo.sType = VK_STRUCTURE_TYPE_SHADER_CREATE_INFO; |
| createInfo.pNext = NULL; |
| |
| #ifdef EXTERNAL_SPV |
| createInfo.codeSize = size; |
| createInfo.pCode = code; |
| createInfo.flags = 0; |
| |
| err = vkCreateShader(demo->device, &createInfo, &shader); |
| if (err) { |
| free((void *) createInfo.pCode); |
| } |
| #else |
| // Create fake SPV structure to feed GLSL |
| // to the driver "under the covers" |
| createInfo.codeSize = 3 * sizeof(uint32_t) + size + 1; |
| createInfo.pCode = malloc(createInfo.codeSize); |
| createInfo.flags = 0; |
| |
| /* try version 0 first: VkShaderStage followed by GLSL */ |
| ((uint32_t *) createInfo.pCode)[0] = ICD_SPV_MAGIC; |
| ((uint32_t *) createInfo.pCode)[1] = 0; |
| ((uint32_t *) createInfo.pCode)[2] = stage; |
| memcpy(((uint32_t *) createInfo.pCode + 3), code, size + 1); |
| |
| err = vkCreateShader(demo->device, &createInfo, &shader); |
| if (err) { |
| free((void *) createInfo.pCode); |
| return NULL; |
| } |
| #endif |
| |
| return shader; |
| } |
| |
| char *demo_read_spv(const char *filename, size_t *psize) |
| { |
| long int size; |
| void *shader_code; |
| |
| 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); |
| fread(shader_code, size, 1, fp); |
| |
| *psize = size; |
| |
| return shader_code; |
| } |
| |
| static VkShader demo_prepare_vs(struct demo *demo) |
| { |
| #ifdef EXTERNAL_SPV |
| void *vertShaderCode; |
| size_t size; |
| |
| vertShaderCode = demo_read_spv("cube-vert.spv", &size); |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_VERTEX, |
| vertShaderCode, size); |
| #else |
| static const char *vertShaderText = |
| "#version 140\n" |
| "#extension GL_ARB_separate_shader_objects : enable\n" |
| "#extension GL_ARB_shading_language_420pack : enable\n" |
| "\n" |
| "layout(binding = 0) uniform buf {\n" |
| " mat4 MVP;\n" |
| " vec4 position[12*3];\n" |
| " vec4 attr[12*3];\n" |
| "} ubuf;\n" |
| "\n" |
| "layout (location = 0) out vec4 texcoord;\n" |
| "\n" |
| "void main() \n" |
| "{\n" |
| " texcoord = ubuf.attr[gl_VertexID];\n" |
| " gl_Position = ubuf.MVP * ubuf.position[gl_VertexID];\n" |
| "}\n"; |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_VERTEX, |
| (const void *) vertShaderText, |
| strlen(vertShaderText)); |
| #endif |
| } |
| |
| static VkShader demo_prepare_fs(struct demo *demo) |
| { |
| #ifdef EXTERNAL_SPV |
| void *fragShaderCode; |
| size_t size; |
| |
| fragShaderCode = demo_read_spv("cube-frag.spv", &size); |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_FRAGMENT, |
| fragShaderCode, size); |
| #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 = 1) uniform sampler2D tex;\n" |
| "\n" |
| "layout (location = 0) in vec4 texcoord;\n" |
| "void main() {\n" |
| " gl_FragColor = texture(tex, texcoord.xy);\n" |
| "}\n"; |
| |
| return demo_prepare_shader(demo, VK_SHADER_STAGE_FRAGMENT, |
| (const void *) fragShaderText, |
| strlen(fragShaderText)); |
| #endif |
| } |
| |
| static void demo_prepare_pipeline(struct demo *demo) |
| { |
| VkGraphicsPipelineCreateInfo pipeline; |
| VkPipelineIaStateCreateInfo ia; |
| VkPipelineRsStateCreateInfo rs; |
| VkPipelineCbStateCreateInfo cb; |
| VkPipelineDsStateCreateInfo ds; |
| VkPipelineShaderStageCreateInfo vs; |
| VkPipelineShaderStageCreateInfo fs; |
| VkPipelineVpStateCreateInfo vp; |
| VkPipelineMsStateCreateInfo ms; |
| VkResult err; |
| |
| memset(&pipeline, 0, sizeof(pipeline)); |
| pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; |
| pipeline.layout = demo->pipeline_layout; |
| |
| memset(&ia, 0, sizeof(ia)); |
| ia.sType = VK_STRUCTURE_TYPE_PIPELINE_IA_STATE_CREATE_INFO; |
| ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; |
| |
| memset(&rs, 0, sizeof(rs)); |
| rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RS_STATE_CREATE_INFO; |
| rs.fillMode = VK_FILL_MODE_SOLID; |
| rs.cullMode = VK_CULL_MODE_BACK; |
| rs.frontFace = VK_FRONT_FACE_CCW; |
| |
| memset(&cb, 0, sizeof(cb)); |
| cb.sType = VK_STRUCTURE_TYPE_PIPELINE_CB_STATE_CREATE_INFO; |
| VkPipelineCbAttachmentState att_state[1]; |
| memset(att_state, 0, sizeof(att_state)); |
| att_state[0].format = demo->format; |
| 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_VP_STATE_CREATE_INFO; |
| vp.viewportCount = 1; |
| vp.clipOrigin = VK_COORDINATE_ORIGIN_LOWER_LEFT; |
| |
| memset(&ds, 0, sizeof(ds)); |
| ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DS_STATE_CREATE_INFO; |
| ds.format = demo->depth.format; |
| ds.depthTestEnable = VK_TRUE; |
| ds.depthWriteEnable = VK_TRUE; |
| ds.depthCompareOp = VK_COMPARE_OP_LESS_EQUAL; |
| ds.depthBoundsEnable = 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(&vs, 0, sizeof(vs)); |
| vs.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; |
| vs.shader.stage = VK_SHADER_STAGE_VERTEX; |
| vs.shader.shader = demo_prepare_vs(demo); |
| assert(vs.shader.shader != VK_NULL_HANDLE); |
| |
| memset(&fs, 0, sizeof(fs)); |
| fs.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; |
| fs.shader.stage = VK_SHADER_STAGE_FRAGMENT; |
| fs.shader.shader = demo_prepare_fs(demo); |
| assert(fs.shader.shader != VK_NULL_HANDLE); |
| |
| memset(&ms, 0, sizeof(ms)); |
| ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MS_STATE_CREATE_INFO; |
| ms.sampleMask = 1; |
| ms.multisampleEnable = VK_FALSE; |
| ms.samples = 1; |
| |
| pipeline.pNext = (const void *) &ia; |
| ia.pNext = (const void *) &rs; |
| rs.pNext = (const void *) &cb; |
| cb.pNext = (const void *) &ms; |
| ms.pNext = (const void *) &vp; |
| vp.pNext = (const void *) &ds; |
| ds.pNext = (const void *) &vs; |
| vs.pNext = (const void *) &fs; |
| |
| err = vkCreateGraphicsPipeline(demo->device, &pipeline, &demo->pipeline); |
| assert(!err); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_SHADER, vs.shader.shader); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_SHADER, fs.shader.shader); |
| } |
| |
| static void demo_prepare_dynamic_states(struct demo *demo) |
| { |
| VkDynamicVpStateCreateInfo viewport_create; |
| VkDynamicRsStateCreateInfo raster; |
| VkDynamicCbStateCreateInfo color_blend; |
| VkDynamicDsStateCreateInfo depth_stencil; |
| VkResult err; |
| |
| memset(&viewport_create, 0, sizeof(viewport_create)); |
| viewport_create.sType = VK_STRUCTURE_TYPE_DYNAMIC_VP_STATE_CREATE_INFO; |
| viewport_create.viewportAndScissorCount = 1; |
| 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_create.pViewports = &viewport; |
| VkRect scissor; |
| memset(&scissor, 0, sizeof(scissor)); |
| scissor.extent.width = demo->width; |
| scissor.extent.height = demo->height; |
| scissor.offset.x = 0; |
| scissor.offset.y = 0; |
| viewport_create.pScissors = &scissor; |
| |
| memset(&raster, 0, sizeof(raster)); |
| raster.sType = VK_STRUCTURE_TYPE_DYNAMIC_RS_STATE_CREATE_INFO; |
| raster.pointSize = 1.0; |
| raster.lineWidth = 1.0; |
| |
| memset(&color_blend, 0, sizeof(color_blend)); |
| color_blend.sType = VK_STRUCTURE_TYPE_DYNAMIC_CB_STATE_CREATE_INFO; |
| color_blend.blendConst[0] = 1.0f; |
| color_blend.blendConst[1] = 1.0f; |
| color_blend.blendConst[2] = 1.0f; |
| color_blend.blendConst[3] = 1.0f; |
| |
| memset(&depth_stencil, 0, sizeof(depth_stencil)); |
| depth_stencil.sType = VK_STRUCTURE_TYPE_DYNAMIC_DS_STATE_CREATE_INFO; |
| depth_stencil.minDepth = 0.0f; |
| depth_stencil.maxDepth = 1.0f; |
| depth_stencil.stencilBackRef = 0; |
| depth_stencil.stencilFrontRef = 0; |
| depth_stencil.stencilReadMask = 0xff; |
| depth_stencil.stencilWriteMask = 0xff; |
| |
| err = vkCreateDynamicViewportState(demo->device, &viewport_create, &demo->viewport); |
| assert(!err); |
| |
| err = vkCreateDynamicRasterState(demo->device, &raster, &demo->raster); |
| assert(!err); |
| |
| err = vkCreateDynamicColorBlendState(demo->device, |
| &color_blend, &demo->color_blend); |
| assert(!err); |
| |
| err = vkCreateDynamicDepthStencilState(demo->device, |
| &depth_stencil, &demo->depth_stencil); |
| assert(!err); |
| } |
| |
| static void demo_prepare_descriptor_pool(struct demo *demo) |
| { |
| const VkDescriptorTypeCount type_counts[2] = { |
| [0] = { |
| .type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, |
| .count = 1, |
| }, |
| [1] = { |
| .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
| .count = DEMO_TEXTURE_COUNT, |
| }, |
| }; |
| const VkDescriptorPoolCreateInfo descriptor_pool = { |
| .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, |
| .pNext = NULL, |
| .count = 2, |
| .pTypeCount = type_counts, |
| }; |
| VkResult err; |
| |
| err = vkCreateDescriptorPool(demo->device, |
| VK_DESCRIPTOR_POOL_USAGE_ONE_SHOT, 1, |
| &descriptor_pool, &demo->desc_pool); |
| assert(!err); |
| } |
| |
| static void demo_prepare_descriptor_set(struct demo *demo) |
| { |
| VkImageViewAttachInfo view_info[DEMO_TEXTURE_COUNT]; |
| VkSamplerImageViewInfo combined_info[DEMO_TEXTURE_COUNT]; |
| VkUpdateSamplerTextures update_fs; |
| VkUpdateBuffers update_vs; |
| const void *update_array[2] = { &update_vs, &update_fs }; |
| VkResult err; |
| uint32_t count; |
| uint32_t i; |
| |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| view_info[i].sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO; |
| view_info[i].pNext = NULL; |
| view_info[i].view = demo->textures[i].view, |
| view_info[i].layout = VK_IMAGE_LAYOUT_GENERAL; |
| |
| combined_info[i].sampler = demo->textures[i].sampler; |
| combined_info[i].pImageView = &view_info[i]; |
| } |
| |
| memset(&update_vs, 0, sizeof(update_vs)); |
| update_vs.sType = VK_STRUCTURE_TYPE_UPDATE_BUFFERS; |
| update_vs.pNext = &update_fs; |
| update_vs.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; |
| update_vs.count = 1; |
| update_vs.pBufferViews = &demo->uniform_data.attach; |
| |
| memset(&update_fs, 0, sizeof(update_fs)); |
| update_fs.sType = VK_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES; |
| update_fs.binding = 1; |
| update_fs.count = DEMO_TEXTURE_COUNT; |
| update_fs.pSamplerImageViews = combined_info; |
| |
| err = vkAllocDescriptorSets(demo->device, demo->desc_pool, |
| VK_DESCRIPTOR_SET_USAGE_STATIC, |
| 1, &demo->desc_layout, |
| &demo->desc_set, &count); |
| assert(!err && count == 1); |
| |
| vkBeginDescriptorPoolUpdate(demo->device, |
| VK_DESCRIPTOR_UPDATE_MODE_FASTEST); |
| |
| vkClearDescriptorSets(demo->device, demo->desc_pool, 1, &demo->desc_set); |
| vkUpdateDescriptors(demo->device, demo->desc_set, 2, update_array); |
| |
| vkEndDescriptorPoolUpdate(demo->device, demo->buffers[demo->current_buffer].cmd); |
| } |
| |
| static void demo_prepare(struct demo *demo) |
| { |
| const VkCmdBufferCreateInfo cmd = { |
| .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO, |
| .pNext = NULL, |
| .queueNodeIndex = demo->graphics_queue_node_index, |
| .flags = 0, |
| }; |
| VkResult err; |
| |
| demo_prepare_buffers(demo); |
| demo_prepare_depth(demo); |
| demo_prepare_textures(demo); |
| demo_prepare_cube_data_buffer(demo); |
| |
| demo_prepare_descriptor_layout(demo); |
| demo_prepare_pipeline(demo); |
| demo_prepare_dynamic_states(demo); |
| |
| for (int i = 0; i < DEMO_BUFFER_COUNT; i++) { |
| err = vkCreateCommandBuffer(demo->device, &cmd, &demo->buffers[i].cmd); |
| assert(!err); |
| } |
| |
| demo_prepare_descriptor_pool(demo); |
| demo_prepare_descriptor_set(demo); |
| |
| |
| for (int i = 0; i < DEMO_BUFFER_COUNT; i++) { |
| demo->current_buffer = i; |
| demo_draw_build_cmd(demo, demo->buffers[i].cmd); |
| } |
| |
| /* |
| * Prepare functions above may generate pipeline commands |
| * that need to be flushed before beginning the render loop. |
| */ |
| demo_flush_init_cmd(demo); |
| |
| demo->current_buffer = 0; |
| } |
| |
| #ifdef _WIN32 |
| static void demo_run(struct demo *demo) |
| { |
| // Wait for work to finish before updating MVP. |
| vkDeviceWaitIdle(demo->device); |
| demo_update_data_buffer(demo); |
| |
| demo_draw(demo); |
| |
| // Wait for work to finish before updating MVP. |
| vkDeviceWaitIdle(demo->device); |
| } |
| |
| // 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) |
| { |
| PAINTSTRUCT paint_struct; |
| HDC hDC; // Device context |
| char tmp_str[] = "Test Vulkan Cube Program"; |
| |
| switch(uMsg) |
| { |
| case WM_CREATE: |
| return 0; |
| case WM_CLOSE: |
| PostQuitMessage(0); |
| return 0; |
| case WM_PAINT: |
| demo_run(&demo); |
| return 0; |
| 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: |
| 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 |
| demo->width, // width |
| demo->height, // 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) |
| { |
| 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) { |
| demo->quit = true; |
| } |
| break; |
| 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; |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void demo_run(struct demo *demo) |
| { |
| xcb_flush(demo->connection); |
| |
| while (!demo->quit) { |
| xcb_generic_event_t *event; |
| |
| if (demo->pause) { |
| event = xcb_wait_for_event(demo->connection); |
| } else { |
| event = xcb_poll_for_event(demo->connection); |
| } |
| if (event) { |
| demo_handle_event(demo, event); |
| free(event); |
| } |
| |
| // Wait for work to finish before updating MVP. |
| vkDeviceWaitIdle(demo->device); |
| demo_update_data_buffer(demo); |
| |
| demo_draw(demo); |
| |
| // 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_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 |
| |
| static void demo_init_vk(struct demo *demo) |
| { |
| VkResult err; |
| // Extensions to enable |
| const char *ext_names[] = { |
| "VK_WSI_LunarG", |
| }; |
| size_t extSize = sizeof(uint32_t); |
| uint32_t extCount = 0; |
| err = vkGetGlobalExtensionInfo(VK_EXTENSION_INFO_TYPE_COUNT, 0, &extSize, &extCount); |
| assert(!err); |
| |
| VkExtensionProperties extProp; |
| extSize = sizeof(VkExtensionProperties); |
| bool32_t extFound = 0; |
| for (uint32_t i = 0; i < extCount; i++) { |
| err = vkGetGlobalExtensionInfo(VK_EXTENSION_INFO_TYPE_PROPERTIES, i, &extSize, &extProp); |
| if (!strcmp(ext_names[0], extProp.extName)) |
| extFound = 1; |
| } |
| assert(extFound); |
| const VkApplicationInfo app = { |
| .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, |
| .pNext = NULL, |
| .pAppName = "cube", |
| .appVersion = 0, |
| .pEngineName = "cube", |
| .engineVersion = 0, |
| .apiVersion = VK_API_VERSION, |
| }; |
| const VkInstanceCreateInfo inst_info = { |
| .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, |
| .pNext = NULL, |
| .pAppInfo = &app, |
| .pAllocCb = NULL, |
| .extensionCount = 1, |
| .ppEnabledExtensionNames = ext_names, |
| }; |
| const VkDeviceQueueCreateInfo queue = { |
| .queueNodeIndex = 0, |
| .queueCount = 1, |
| }; |
| |
| const VkDeviceCreateInfo device = { |
| .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, |
| .pNext = NULL, |
| .queueRecordCount = 1, |
| .pRequestedQueues = &queue, |
| .extensionCount = 1, |
| .ppEnabledExtensionNames = ext_names, |
| .flags = VK_DEVICE_CREATE_VALIDATION_BIT, |
| }; |
| uint32_t gpu_count; |
| uint32_t i; |
| size_t data_size; |
| uint32_t queue_count; |
| |
| err = vkCreateInstance(&inst_info, &demo->inst); |
| if (err) { |
| #ifdef _WIN32 |
| MessageBox(NULL, "vkCreateInstance failed - do you have a Vulkan graphics driver installed?", |
| "vkCreateInstance Failure", MB_OK); |
| #else |
| printf("vkCreateInstance failed - Do you have a Vulkan graphics driver installed?" |
| "(\nExiting ...\n"); |
| fflush(stdout); |
| #endif |
| exit(1); |
| } |
| |
| gpu_count = 1; |
| err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, &demo->gpu); |
| assert(!err && gpu_count == 1); |
| |
| err = vkCreateDevice(demo->gpu, &device, &demo->device); |
| assert(!err); |
| |
| err = vkGetPhysicalDeviceInfo(demo->gpu, VK_PHYSICAL_DEVICE_INFO_TYPE_PROPERTIES, |
| &data_size, NULL); |
| assert(!err); |
| |
| demo->gpu_props = (VkPhysicalDeviceProperties *) malloc(data_size); |
| err = vkGetPhysicalDeviceInfo(demo->gpu, VK_PHYSICAL_DEVICE_INFO_TYPE_PROPERTIES, |
| &data_size, demo->gpu_props); |
| assert(!err); |
| |
| err = vkGetPhysicalDeviceInfo(demo->gpu, VK_PHYSICAL_DEVICE_INFO_TYPE_QUEUE_PROPERTIES, |
| &data_size, NULL); |
| assert(!err); |
| |
| demo->queue_props = (VkPhysicalDeviceQueueProperties *) malloc(data_size); |
| err = vkGetPhysicalDeviceInfo(demo->gpu, VK_PHYSICAL_DEVICE_INFO_TYPE_QUEUE_PROPERTIES, |
| &data_size, demo->queue_props); |
| assert(!err); |
| queue_count = (uint32_t)(data_size / sizeof(VkPhysicalDeviceQueueProperties)); |
| assert(queue_count >= 1); |
| |
| // Graphics queue and MemMgr queue can be separate. |
| // TODO: Add support for separate queues, including synchronization, |
| // and appropriate tracking for QueueSubmit and QueueBindObjectMemory |
| for (i = 0; i < queue_count; i++) { |
| if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) && |
| (demo->queue_props[i].queueFlags & VK_QUEUE_MEMMGR_BIT) ) |
| break; |
| } |
| assert(i < queue_count); |
| demo->graphics_queue_node_index = i; |
| |
| err = vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, |
| 0, &demo->queue); |
| assert(!err); |
| } |
| |
| 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, int argc, char **argv) |
| #endif // _WIN32 |
| { |
| vec3 eye = {0.0f, 3.0f, 5.0f}; |
| vec3 origin = {0, 0, 0}; |
| vec3 up = {0.0f, -1.0f, 0.0}; |
| bool argv_error = false; |
| |
| memset(demo, 0, sizeof(*demo)); |
| |
| #ifdef _WIN32 |
| demo->connection = hInstance; |
| strncpy(demo->name, "cube", APP_NAME_STR_LEN); |
| |
| if (strncmp(pCmdLine, "--use_staging", strlen("--use_staging")) == 0) |
| demo->use_staging_buffer = true; |
| else if (strlen(pCmdLine) != 0) { |
| fprintf(stderr, "Do not recognize argument \"%s\".\n", pCmdLine); |
| argv_error = true; |
| } |
| #else // _WIN32 |
| for (int i = 1; i < argc; i++) { |
| if (strncmp(argv[i], "--use_staging", strlen("--use_staging")) == 0) |
| demo->use_staging_buffer = true; |
| else { |
| fprintf(stderr, "Do not recognize argument \"%s\".\n", argv[i]); |
| argv_error = true; |
| } |
| } |
| #endif // _WIN32 |
| if (argv_error) { |
| fprintf(stderr, "Usage:\n cube [--use_staging]\n"); |
| fflush(stderr); |
| exit(1); |
| } |
| |
| demo_init_connection(demo); |
| demo_init_vk(demo); |
| |
| demo->width = 500; |
| demo->height = 500; |
| demo->format = VK_FORMAT_B8G8R8A8_UNORM; |
| |
| demo->spin_angle = 0.01f; |
| demo->spin_increment = 0.01f; |
| demo->pause = false; |
| |
| 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); |
| } |
| |
| static void demo_cleanup(struct demo *demo) |
| { |
| uint32_t i, j; |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DESCRIPTOR_SET, demo->desc_set); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DESCRIPTOR_POOL, demo->desc_pool); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DYNAMIC_VP_STATE, demo->viewport); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DYNAMIC_RS_STATE, demo->raster); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DYNAMIC_CB_STATE, demo->color_blend); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DYNAMIC_DS_STATE, demo->depth_stencil); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_PIPELINE, demo->pipeline); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_PIPELINE_LAYOUT, demo->pipeline_layout); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT, demo->desc_layout); |
| |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE_VIEW, demo->textures[i].view); |
| vkQueueBindObjectMemory(demo->queue, VK_OBJECT_TYPE_IMAGE, demo->textures[i].image, 0, VK_NULL_HANDLE, 0); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, demo->textures[i].image); |
| demo_remove_mem_refs(demo, demo->textures[i].num_mem, demo->textures[i].mem); |
| for (j = 0; j < demo->textures[i].num_mem; j++) |
| vkFreeMemory(demo->device, demo->textures[i].mem[j]); |
| free(demo->textures[i].mem); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_SAMPLER, demo->textures[i].sampler); |
| } |
| vkDestroySwapChainWSI(demo->swap_chain); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DEPTH_STENCIL_VIEW, demo->depth.view); |
| vkQueueBindObjectMemory(demo->queue, VK_OBJECT_TYPE_IMAGE, demo->depth.image, 0, VK_NULL_HANDLE, 0); |
| demo_remove_mem_refs(demo, demo->depth.num_mem, demo->depth.mem); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, demo->depth.image); |
| for (j = 0; j < demo->depth.num_mem; j++) { |
| vkFreeMemory(demo->device, demo->depth.mem[j]); |
| } |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_BUFFER_VIEW, demo->uniform_data.view); |
| vkQueueBindObjectMemory(demo->queue, VK_OBJECT_TYPE_BUFFER, demo->uniform_data.buf, 0, VK_NULL_HANDLE, 0); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_BUFFER, demo->uniform_data.buf); |
| demo_remove_mem_refs(demo, demo->uniform_data.num_mem, demo->uniform_data.mem); |
| for (j = 0; j < demo->uniform_data.num_mem; j++) |
| vkFreeMemory(demo->device, demo->uniform_data.mem[j]); |
| |
| for (i = 0; i < DEMO_BUFFER_COUNT; i++) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COLOR_ATTACHMENT_VIEW, demo->buffers[i].view); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COMMAND_BUFFER, demo->buffers[i].cmd); |
| demo_remove_mem_refs(demo, 1, &demo->buffers[i].mem); |
| } |
| |
| vkDestroyDevice(demo->device); |
| vkDestroyInstance(demo->inst); |
| |
| #ifndef _WIN32 |
| xcb_destroy_window(demo->connection, demo->window); |
| xcb_disconnect(demo->connection); |
| #endif // _WIN32 |
| } |
| |
| #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_prepare(&demo); |
| |
| done = false; //initialize loop condition variable |
| /* main message loop*/ |
| while(!done) |
| { |
| PeekMessage(&msg,NULL,NULL,NULL,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); |
| } |
| } |
| |
| demo_cleanup(&demo); |
| |
| return msg.wParam; |
| } |
| #else // _WIN32 |
| int main(int argc, char **argv) |
| { |
| struct demo demo; |
| |
| demo_init(&demo, argc, argv); |
| demo_create_window(&demo); |
| |
| demo_prepare(&demo); |
| demo_run(&demo); |
| |
| demo_cleanup(&demo); |
| |
| return 0; |
| } |
| #endif // _WIN32 |