| /* |
| * 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_wsi_lunarg.h> |
| |
| #include "icd-spv.h" |
| |
| #define DEMO_BUFFER_COUNT 2 |
| #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" |
| |
| #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) |
| |
| // NOTE: If the following values (copied from "loader_platform.h") change, they |
| // need to change here as well: |
| #define LAYER_NAMES_ENV "VK_LAYER_NAMES" |
| #define LAYER_NAMES_REGISTRY_VALUE "VK_LAYER_NAMES" |
| #else // _WIN32 |
| |
| #define ERR_EXIT(err_msg, err_class) \ |
| do { \ |
| printf(err_msg); \ |
| fflush(stdout); \ |
| exit(1); \ |
| } while (0) |
| #endif // _WIN32 |
| |
| #define GET_DEVICE_PROC_ADDR(dev, entrypoint) \ |
| { \ |
| demo->fp##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; |
| }; |
| |
| 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 prepared; |
| bool use_staging_buffer; |
| bool use_glsl; |
| |
| VkInstance inst; |
| VkPhysicalDevice gpu; |
| VkDevice device; |
| VkQueue queue; |
| VkPhysicalDeviceProperties gpu_props; |
| VkPhysicalDeviceQueueProperties *queue_props; |
| uint32_t graphics_queue_node_index; |
| |
| int width, height; |
| VkFormat format; |
| |
| PFN_vkCreateSwapChainWSI fpCreateSwapChainWSI; |
| PFN_vkDestroySwapChainWSI fpDestroySwapChainWSI; |
| PFN_vkGetSwapChainInfoWSI fpGetSwapChainInfoWSI; |
| PFN_vkQueuePresentWSI fpQueuePresentWSI; |
| |
| VkSwapChainWSI swap_chain; |
| struct { |
| VkImage image; |
| VkDeviceMemory mem; |
| |
| VkColorAttachmentView view; |
| } buffers[DEMO_BUFFER_COUNT]; |
| |
| struct { |
| VkFormat format; |
| |
| VkImage image; |
| VkDeviceMemory mem; |
| VkDepthStencilView 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; |
| VkPipeline pipeline; |
| |
| VkDynamicVpState viewport; |
| VkDynamicRsState raster; |
| VkDynamicCbState color_blend; |
| VkDynamicDsState depth_stencil; |
| |
| VkDescriptorPool desc_pool; |
| VkDescriptorSet desc_set; |
| |
| bool quit; |
| uint32_t current_buffer; |
| }; |
| |
| 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 }; |
| |
| 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->setup_cmd); |
| demo->setup_cmd = VK_NULL_HANDLE; |
| } |
| |
| static void demo_set_image_layout( |
| struct demo *demo, |
| VkImage image, |
| VkImageAspect aspect, |
| VkImageLayout old_image_layout, |
| VkImageLayout new_image_layout) |
| { |
| VkResult U_ASSERT_ONLY err; |
| |
| if (demo->setup_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->setup_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->setup_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 = { aspect, 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, false, 1, (const void **)&pmemory_barrier); |
| } |
| |
| static void demo_draw_build_cmd(struct demo *demo) |
| { |
| 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 = 0.9f; |
| 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 U_ASSERT_ONLY 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(demo->draw_cmd, &cmd_buf_info); |
| assert(!err); |
| |
| vkCmdBeginRenderPass(demo->draw_cmd, &rp_begin); |
| 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); |
| |
| vkCmdBindDynamicStateObject(demo->draw_cmd, VK_STATE_BIND_POINT_VIEWPORT, demo->viewport); |
| vkCmdBindDynamicStateObject(demo->draw_cmd, VK_STATE_BIND_POINT_RASTER, demo->raster); |
| vkCmdBindDynamicStateObject(demo->draw_cmd, VK_STATE_BIND_POINT_COLOR_BLEND, |
| demo->color_blend); |
| vkCmdBindDynamicStateObject(demo->draw_cmd, VK_STATE_BIND_POINT_DEPTH_STENCIL, |
| demo->depth_stencil); |
| |
| VkDeviceSize offsets[1] = {0}; |
| vkCmdBindVertexBuffers(demo->draw_cmd, VERTEX_BUFFER_BIND_ID, 1, &demo->vertices.buf, offsets); |
| |
| clear_range.aspect = VK_IMAGE_ASPECT_COLOR; |
| clear_range.baseMipLevel = 0; |
| clear_range.mipLevels = 1; |
| clear_range.baseArraySlice = 0; |
| clear_range.arraySize = 1; |
| vkCmdClearColorImage(demo->draw_cmd, |
| demo->buffers[demo->current_buffer].image, |
| VK_IMAGE_LAYOUT_CLEAR_OPTIMAL, |
| &clear_color, 1, &clear_range); |
| |
| clear_range.aspect = VK_IMAGE_ASPECT_DEPTH; |
| vkCmdClearDepthStencil(demo->draw_cmd, |
| demo->depth.image, VK_IMAGE_LAYOUT_CLEAR_OPTIMAL, |
| clear_depth, 0, 1, &clear_range); |
| |
| vkCmdDraw(demo->draw_cmd, 0, 3, 0, 1); |
| vkCmdEndRenderPass(demo->draw_cmd, rp_begin.renderPass); |
| |
| err = vkEndCommandBuffer(demo->draw_cmd); |
| assert(!err); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_RENDER_PASS, rp_begin.renderPass); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_FRAMEBUFFER, rp_begin.framebuffer); |
| } |
| |
| 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 U_ASSERT_ONLY err; |
| |
| demo_draw_build_cmd(demo); |
| |
| err = vkQueueSubmit(demo->queue, 1, &demo->draw_cmd, VK_NULL_HANDLE); |
| assert(!err); |
| |
| err = demo->fpQueuePresentWSI(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, |
| .displayCount = 1, |
| .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 U_ASSERT_ONLY err; |
| uint32_t i; |
| |
| err = demo->fpCreateSwapChainWSI(demo->device, &swap_chain, &demo->swap_chain); |
| assert(!err); |
| |
| err = demo->fpGetSwapChainInfoWSI(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_set_image_layout(demo, demo->buffers[i].image, |
| VK_IMAGE_ASPECT_COLOR, |
| 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); |
| } |
| |
| 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, |
| .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, |
| }; |
| 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; |
| VkResult U_ASSERT_ONLY err; |
| |
| demo->depth.format = depth_format; |
| |
| /* create image */ |
| err = vkCreateImage(demo->device, &image, |
| &demo->depth.image); |
| assert(!err); |
| |
| err = vkGetObjectMemoryRequirements(demo->device, |
| VK_OBJECT_TYPE_IMAGE, demo->depth.image, &mem_reqs); |
| mem_alloc.allocationSize = mem_reqs.size; |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, &demo->depth.mem); |
| assert(!err); |
| |
| /* bind memory */ |
| err = vkBindObjectMemory(demo->device, |
| VK_OBJECT_TYPE_IMAGE, demo->depth.image, |
| demo->depth.mem, 0); |
| assert(!err); |
| |
| demo_set_image_layout(demo, demo->depth.image, |
| VK_IMAGE_ASPECT_DEPTH, |
| VK_IMAGE_LAYOUT_UNDEFINED, |
| VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL); |
| |
| /* create image view */ |
| view.image = demo->depth.image; |
| err = vkCreateDepthStencilView(demo->device, &view, |
| &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 mem_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; |
| |
| 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 = usage, |
| .flags = 0, |
| }; |
| VkMemoryAllocInfo mem_alloc = { |
| .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO, |
| .pNext = NULL, |
| .allocationSize = 0, |
| .memProps = mem_props, |
| }; |
| |
| VkMemoryRequirements mem_reqs; |
| |
| err = vkCreateImage(demo->device, &image_create_info, |
| &tex_obj->image); |
| assert(!err); |
| |
| err = vkGetObjectMemoryRequirements(demo->device, |
| VK_OBJECT_TYPE_IMAGE, tex_obj->image, &mem_reqs); |
| mem_alloc.allocationSize = mem_reqs.size; |
| |
| /* allocate memory */ |
| err = vkAllocMemory(demo->device, &mem_alloc, &tex_obj->mem); |
| assert(!err); |
| |
| /* bind memory */ |
| err = vkBindObjectMemory(demo->device, |
| VK_OBJECT_TYPE_IMAGE, tex_obj->image, |
| tex_obj->mem, 0); |
| assert(!err); |
| |
| if (mem_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) { |
| const VkImageSubresource subres = { |
| .aspect = VK_IMAGE_ASPECT_COLOR, |
| .mipLevel = 0, |
| .arraySlice = 0, |
| }; |
| VkSubresourceLayout layout; |
| void *data; |
| int32_t x, y; |
| |
| err = vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres, &layout); |
| assert(!err); |
| |
| err = vkMapMemory(demo->device, tex_obj->mem, 0, 0, 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)]; |
| } |
| |
| err = vkUnmapMemory(demo->device, tex_obj->mem); |
| assert(!err); |
| } |
| |
| tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; |
| demo_set_image_layout(demo, tex_obj->image, |
| VK_IMAGE_ASPECT_COLOR, |
| 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 */ |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, tex_obj->image); |
| vkFreeMemory(demo->device, tex_obj->mem); |
| } |
| |
| 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 }, |
| }; |
| VkResult U_ASSERT_ONLY err; |
| uint32_t i; |
| |
| err = vkGetPhysicalDeviceFormatInfo(demo->gpu, tex_format, &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_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, |
| staging_texture.imageLayout, |
| VK_IMAGE_LAYOUT_TRANSFER_SOURCE_OPTIMAL); |
| |
| demo_set_image_layout(demo, demo->textures[i].image, |
| VK_IMAGE_ASPECT_COLOR, |
| 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->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, |
| 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_TEX_FILTER_NEAREST, |
| .minFilter = VK_TEX_FILTER_NEAREST, |
| .mipMode = VK_TEX_MIPMAP_MODE_BASE, |
| .addressU = VK_TEX_ADDRESS_WRAP, |
| .addressV = VK_TEX_ADDRESS_WRAP, |
| .addressW = VK_TEX_ADDRESS_WRAP, |
| .mipLodBias = 0.0f, |
| .maxAnisotropy = 1, |
| .compareOp = VK_COMPARE_OP_NEVER, |
| .minLod = 0.0f, |
| .maxLod = 0.0f, |
| .borderColor = VK_BORDER_COLOR_FLOAT_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 }, |
| }; |
| |
| /* 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); |
| } |
| } |
| |
| static void demo_prepare_vertices(struct demo *demo) |
| { |
| const float vb[3][5] = { |
| /* position texcoord */ |
| { -1.0f, -1.0f, 0.2f, 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, |
| .memProps = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, |
| }; |
| VkMemoryRequirements mem_reqs; |
| VkResult U_ASSERT_ONLY err; |
| void *data; |
| |
| memset(&demo->vertices, 0, sizeof(demo->vertices)); |
| |
| err = vkCreateBuffer(demo->device, &buf_info, &demo->vertices.buf); |
| assert(!err); |
| |
| err = vkGetObjectMemoryRequirements(demo->device, |
| VK_OBJECT_TYPE_BUFFER, demo->vertices.buf, &mem_reqs); |
| |
| mem_alloc.allocationSize = mem_reqs.size; |
| |
| err = vkAllocMemory(demo->device, &mem_alloc, &demo->vertices.mem); |
| assert(!err); |
| |
| err = vkMapMemory(demo->device, demo->vertices.mem, 0, 0, 0, &data); |
| assert(!err); |
| |
| memcpy(data, vb, sizeof(vb)); |
| |
| err = vkUnmapMemory(demo->device, demo->vertices.mem); |
| assert(!err); |
| |
| err = vkBindObjectMemory(demo->device, |
| VK_OBJECT_TYPE_BUFFER, 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.bindingCount = 1; |
| demo->vertices.vi.pVertexBindingDescriptions = demo->vertices.vi_bindings; |
| demo->vertices.vi.attributeCount = 2; |
| demo->vertices.vi.pVertexAttributeDescriptions = demo->vertices.vi_attrs; |
| |
| demo->vertices.vi_bindings[0].binding = VERTEX_BUFFER_BIND_ID; |
| demo->vertices.vi_bindings[0].strideInBytes = 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].offsetInBytes = 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].offsetInBytes = 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, |
| .count = 1, |
| .pBinding = &layout_binding, |
| }; |
| VkResult U_ASSERT_ONLY 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; |
| |
| if (!demo->use_glsl) { |
| 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 VK_NULL_HANDLE; |
| } |
| } |
| |
| 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) |
| { |
| if (!demo->use_glsl) { |
| void *vertShaderCode; |
| size_t size; |
| |
| vertShaderCode = demo_read_spv("tri-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" |
| "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, |
| (const void *) vertShaderText, |
| strlen(vertShaderText)); |
| } |
| } |
| |
| static VkShader demo_prepare_fs(struct demo *demo) |
| { |
| if (!demo->use_glsl) { |
| void *fragShaderCode; |
| size_t size; |
| |
| fragShaderCode = demo_read_spv("tri-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 = 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, |
| (const void *) fragShaderText, |
| strlen(fragShaderText)); |
| } |
| } |
| |
| static void demo_prepare_pipeline(struct demo *demo) |
| { |
| VkGraphicsPipelineCreateInfo pipeline; |
| |
| VkPipelineVertexInputStateCreateInfo vi; |
| VkPipelineIaStateCreateInfo ia; |
| VkPipelineRsStateCreateInfo rs; |
| VkPipelineCbStateCreateInfo cb; |
| VkPipelineDsStateCreateInfo ds; |
| VkPipelineVpStateCreateInfo vp; |
| VkPipelineMsStateCreateInfo ms; |
| |
| VkResult U_ASSERT_ONLY err; |
| |
| 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_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_CW; |
| rs.depthClipEnable = VK_TRUE; |
| |
| 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_UPPER_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(&ms, 0, sizeof(ms)); |
| ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MS_STATE_CREATE_INFO; |
| ms.sampleMask = 1; |
| ms.multisampleEnable = VK_FALSE; |
| 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].stage = VK_SHADER_STAGE_VERTEX; |
| shaderStages[0].shader = demo_prepare_vs(demo); |
| shaderStages[0].linkConstBufferCount = 0; |
| |
| shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; |
| shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT; |
| shaderStages[1].shader = demo_prepare_fs(demo); |
| |
| pipeline.pVertexInputState = &vi; |
| pipeline.pIaState = &ia; |
| pipeline.pRsState = &rs; |
| pipeline.pCbState = &cb; |
| pipeline.pMsState = &ms; |
| pipeline.pVpState = &vp; |
| pipeline.pDsState = &ds; |
| pipeline.pStages = shaderStages; |
| |
| err = vkCreateGraphicsPipeline(demo->device, &pipeline, &demo->pipeline); |
| assert(!err); |
| |
| for (uint32_t i = 0; i < pipeline.stageCount; i++) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_SHADER, shaderStages[i].shader); |
| } |
| } |
| |
| static void demo_prepare_dynamic_states(struct demo *demo) |
| { |
| VkDynamicVpStateCreateInfo viewport_create; |
| VkDynamicRsStateCreateInfo raster; |
| VkDynamicCbStateCreateInfo color_blend; |
| VkDynamicDsStateCreateInfo depth_stencil; |
| VkResult U_ASSERT_ONLY 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.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.minDepthBounds = 0.0f; |
| depth_stencil.maxDepthBounds = 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_count = { |
| .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 = 1, |
| .pTypeCount = &type_count, |
| }; |
| VkResult U_ASSERT_ONLY 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) |
| { |
| VkDescriptorInfo tex_descs[DEMO_TEXTURE_COUNT]; |
| VkWriteDescriptorSet write; |
| VkResult U_ASSERT_ONLY err; |
| uint32_t count; |
| uint32_t i; |
| |
| err = vkAllocDescriptorSets(demo->device, demo->desc_pool, |
| VK_DESCRIPTOR_SET_USAGE_STATIC, |
| 1, &demo->desc_layout, |
| &demo->desc_set, &count); |
| assert(!err && count == 1); |
| |
| 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.count = DEMO_TEXTURE_COUNT; |
| write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; |
| write.pDescriptors = tex_descs; |
| |
| err = vkUpdateDescriptorSets(demo->device, 1, &write, 0, NULL); |
| assert(!err); |
| } |
| |
| 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 U_ASSERT_ONLY err; |
| |
| err = vkCreateCommandBuffer(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_pipeline(demo); |
| demo_prepare_dynamic_states(demo); |
| |
| demo_prepare_descriptor_pool(demo); |
| demo_prepare_descriptor_set(demo); |
| demo->prepared = true; |
| } |
| |
| #ifdef _WIN32 |
| static void demo_run(struct demo *demo) |
| { |
| if (!demo->prepared) |
| return; |
| demo_draw(demo); |
| } |
| |
| // 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: |
| 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: |
| 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; |
| default: |
| break; |
| } |
| } |
| |
| static void demo_run(struct demo *demo) |
| { |
| xcb_flush(demo->connection); |
| |
| while (!demo->quit) { |
| xcb_generic_event_t *event; |
| |
| event = xcb_wait_for_event(demo->connection); |
| if (event) { |
| demo_handle_event(demo, event); |
| free(event); |
| } |
| } |
| } |
| |
| 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 |
| |
| static void demo_init_vk(struct demo *demo) |
| { |
| VkResult err; |
| VkExtensionProperties *instance_extensions; |
| uint32_t instance_extension_count = 0; |
| VkExtensionProperties *device_extensions; |
| uint32_t device_extension_count = 0; |
| uint32_t total_extension_count = 0; |
| err = vkGetGlobalExtensionCount(&total_extension_count); |
| assert(!err); |
| |
| VkExtensionProperties extProp; |
| bool32_t WSIextFound = 0; |
| instance_extensions = malloc(sizeof(VkExtensionProperties) * total_extension_count); |
| device_extensions = malloc(sizeof(VkExtensionProperties) * total_extension_count); |
| for (uint32_t i = 0; i < total_extension_count; i++) { |
| err = vkGetGlobalExtensionProperties(i, &extProp); |
| if (!strcmp("VK_WSI_LunarG", extProp.name)) { |
| WSIextFound = 1; |
| memcpy(&instance_extensions[instance_extension_count++], &extProp, sizeof(VkExtensionProperties)); |
| memcpy(&device_extensions[device_extension_count++], &extProp, sizeof(VkExtensionProperties)); |
| } |
| } |
| if (!WSIextFound) { |
| ERR_EXIT("vkGetGlobalExtensionProperties failed to find the " |
| "\"VK_WSI_LunarG\" 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, |
| }; |
| const VkInstanceCreateInfo inst_info = { |
| .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, |
| .pNext = NULL, |
| .pAppInfo = &app, |
| .pAllocCb = NULL, |
| .extensionCount = instance_extension_count, |
| .pEnabledExtensions = instance_extensions, |
| }; |
| const VkDeviceQueueCreateInfo queue = { |
| .queueNodeIndex = 0, |
| .queueCount = 1, |
| }; |
| const VkDeviceCreateInfo device = { |
| .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, |
| .pNext = NULL, |
| .queueRecordCount = 1, |
| .pRequestedQueues = &queue, |
| .extensionCount = device_extension_count, |
| .pEnabledExtensions = device_extensions, |
| .flags = 0, |
| }; |
| uint32_t gpu_count; |
| uint32_t i; |
| uint32_t queue_count; |
| |
| err = vkCreateInstance(&inst_info, &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) { |
| 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"); |
| } |
| |
| 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); |
| |
| GET_DEVICE_PROC_ADDR(demo->device, CreateSwapChainWSI); |
| GET_DEVICE_PROC_ADDR(demo->device, CreateSwapChainWSI); |
| GET_DEVICE_PROC_ADDR(demo->device, DestroySwapChainWSI); |
| GET_DEVICE_PROC_ADDR(demo->device, GetSwapChainInfoWSI); |
| GET_DEVICE_PROC_ADDR(demo->device, QueuePresentWSI); |
| |
| err = vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props); |
| assert(!err); |
| |
| err = vkGetPhysicalDeviceQueueCount(demo->gpu, &queue_count); |
| assert(!err); |
| |
| demo->queue_props = (VkPhysicalDeviceQueueProperties *) malloc(queue_count * sizeof(VkPhysicalDeviceQueueProperties)); |
| err = vkGetPhysicalDeviceQueueProperties(demo->gpu, queue_count, demo->queue_props); |
| assert(!err); |
| assert(queue_count >= 1); |
| |
| for (i = 0; i < queue_count; i++) { |
| if (demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_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); |
| |
| // for now hardcode format till get WSI support |
| demo->format = VK_FORMAT_B8G8R8A8_UNORM; |
| |
| } |
| |
| 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; |
| } |
| |
| static void demo_cleanup(struct demo *demo) |
| { |
| uint32_t i; |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DESCRIPTOR_SET, demo->desc_set); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DESCRIPTOR_POOL, demo->desc_pool); |
| |
| if (demo->setup_cmd) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COMMAND_BUFFER, demo->setup_cmd); |
| } |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COMMAND_BUFFER, demo->draw_cmd); |
| |
| 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); |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_BUFFER, demo->vertices.buf); |
| vkFreeMemory(demo->device, demo->vertices.mem); |
| |
| for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE_VIEW, demo->textures[i].view); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, demo->textures[i].image); |
| vkFreeMemory(demo->device, demo->textures[i].mem); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_SAMPLER, demo->textures[i].sampler); |
| } |
| |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_DEPTH_STENCIL_VIEW, demo->depth.view); |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_IMAGE, demo->depth.image); |
| vkFreeMemory(demo->device, demo->depth.mem); |
| |
| for (i = 0; i < DEMO_BUFFER_COUNT; i++) { |
| vkDestroyObject(demo->device, VK_OBJECT_TYPE_COLOR_ATTACHMENT_VIEW, demo->buffers[i].view); |
| } |
| demo->fpDestroySwapChainWSI(demo->swap_chain); |
| |
| 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, 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); |
| } |
| } |
| |
| 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_prepare(&demo); |
| demo_run(&demo); |
| |
| demo_cleanup(&demo); |
| |
| return 0; |
| } |
| #endif // _WIN32 |