diff options
Diffstat (limited to '3rdparty/glfw/source/tests/triangle-vulkan.c')
| -rw-r--r-- | 3rdparty/glfw/source/tests/triangle-vulkan.c | 2129 |
1 files changed, 0 insertions, 2129 deletions
diff --git a/3rdparty/glfw/source/tests/triangle-vulkan.c b/3rdparty/glfw/source/tests/triangle-vulkan.c deleted file mode 100644 index fb5db3e..0000000 --- a/3rdparty/glfw/source/tests/triangle-vulkan.c +++ /dev/null @@ -1,2129 +0,0 @@ -/* - * Copyright (c) 2015-2016 The Khronos Group Inc. - * Copyright (c) 2015-2016 Valve Corporation - * Copyright (c) 2015-2016 LunarG, Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * Author: Chia-I Wu <[email protected]> - * Author: Cody Northrop <[email protected]> - * Author: Courtney Goeltzenleuchter <[email protected]> - * Author: Ian Elliott <[email protected]> - * Author: Jon Ashburn <[email protected]> - * Author: Piers Daniell <[email protected]> - * Author: Gwan-gyeong Mun <[email protected]> - * Porter: Camilla Löwy <[email protected]> - */ -/* - * 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> -#include <signal.h> - -#ifdef _WIN32 -#include <windows.h> -#endif - -#define GLAD_VULKAN_IMPLEMENTATION -#include <glad/vulkan.h> -#define GLFW_INCLUDE_NONE -#include <GLFW/glfw3.h> - -#define DEMO_TEXTURE_COUNT 1 -#define VERTEX_BUFFER_BIND_ID 0 -#define APP_SHORT_NAME "tri" -#define APP_LONG_NAME "The Vulkan Triangle Demo Program" - -#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) - -#if defined(NDEBUG) && defined(__GNUC__) -#define U_ASSERT_ONLY __attribute__((unused)) -#else -#define U_ASSERT_ONLY -#endif - -#define ERR_EXIT(err_msg, err_class) \ - do { \ - printf(err_msg); \ - fflush(stdout); \ - exit(1); \ - } while (0) - -static const uint32_t fragShaderCode[] = { - 0x07230203,0x00010000,0x00080007,0x00000014,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x00000011,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x00000190,0x00090004,0x415f4c47,0x735f4252, - 0x72617065,0x5f657461,0x64616873,0x6f5f7265,0x63656a62,0x00007374,0x00090004,0x415f4c47, - 0x735f4252,0x69646168,0x6c5f676e,0x75676e61,0x5f656761,0x70303234,0x006b6361,0x00040005, - 0x00000004,0x6e69616d,0x00000000,0x00050005,0x00000009,0x61724675,0x6c6f4367,0x0000726f, - 0x00030005,0x0000000d,0x00786574,0x00050005,0x00000011,0x63786574,0x64726f6f,0x00000000, - 0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x00000022,0x00000000, - 0x00040047,0x0000000d,0x00000021,0x00000000,0x00040047,0x00000011,0x0000001e,0x00000000, - 0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,0x00000020, - 0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003,0x00000007, - 0x0004003b,0x00000008,0x00000009,0x00000003,0x00090019,0x0000000a,0x00000006,0x00000001, - 0x00000000,0x00000000,0x00000000,0x00000001,0x00000000,0x0003001b,0x0000000b,0x0000000a, - 0x00040020,0x0000000c,0x00000000,0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000000, - 0x00040017,0x0000000f,0x00000006,0x00000002,0x00040020,0x00000010,0x00000001,0x0000000f, - 0x0004003b,0x00000010,0x00000011,0x00000001,0x00050036,0x00000002,0x00000004,0x00000000, - 0x00000003,0x000200f8,0x00000005,0x0004003d,0x0000000b,0x0000000e,0x0000000d,0x0004003d, - 0x0000000f,0x00000012,0x00000011,0x00050057,0x00000007,0x00000013,0x0000000e,0x00000012, - 0x0003003e,0x00000009,0x00000013,0x000100fd,0x00010038 -}; - -static const uint32_t vertShaderCode[] = { - 0x07230203,0x00010000,0x00080007,0x00000018,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0009000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000b,0x00000010, - 0x00000014,0x00030003,0x00000002,0x00000190,0x00090004,0x415f4c47,0x735f4252,0x72617065, - 0x5f657461,0x64616873,0x6f5f7265,0x63656a62,0x00007374,0x00090004,0x415f4c47,0x735f4252, - 0x69646168,0x6c5f676e,0x75676e61,0x5f656761,0x70303234,0x006b6361,0x00040005,0x00000004, - 0x6e69616d,0x00000000,0x00050005,0x00000009,0x63786574,0x64726f6f,0x00000000,0x00040005, - 0x0000000b,0x72747461,0x00000000,0x00060005,0x0000000e,0x505f6c67,0x65567265,0x78657472, - 0x00000000,0x00060006,0x0000000e,0x00000000,0x505f6c67,0x7469736f,0x006e6f69,0x00030005, - 0x00000010,0x00000000,0x00030005,0x00000014,0x00736f70,0x00040047,0x00000009,0x0000001e, - 0x00000000,0x00040047,0x0000000b,0x0000001e,0x00000001,0x00050048,0x0000000e,0x00000000, - 0x0000000b,0x00000000,0x00030047,0x0000000e,0x00000002,0x00040047,0x00000014,0x0000001e, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000002,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040020,0x0000000a,0x00000001, - 0x00000007,0x0004003b,0x0000000a,0x0000000b,0x00000001,0x00040017,0x0000000d,0x00000006, - 0x00000004,0x0003001e,0x0000000e,0x0000000d,0x00040020,0x0000000f,0x00000003,0x0000000e, - 0x0004003b,0x0000000f,0x00000010,0x00000003,0x00040015,0x00000011,0x00000020,0x00000001, - 0x0004002b,0x00000011,0x00000012,0x00000000,0x00040020,0x00000013,0x00000001,0x0000000d, - 0x0004003b,0x00000013,0x00000014,0x00000001,0x00040020,0x00000016,0x00000003,0x0000000d, - 0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,0x00000005,0x0004003d, - 0x00000007,0x0000000c,0x0000000b,0x0003003e,0x00000009,0x0000000c,0x0004003d,0x0000000d, - 0x00000015,0x00000014,0x00050041,0x00000016,0x00000017,0x00000010,0x00000012,0x0003003e, - 0x00000017,0x00000015,0x000100fd,0x00010038 -}; - -struct texture_object { - VkSampler sampler; - - VkImage image; - VkImageLayout imageLayout; - - VkDeviceMemory mem; - VkImageView view; - int32_t tex_width, tex_height; -}; - -static int validation_error = 0; - -VKAPI_ATTR VkBool32 VKAPI_CALL -BreakCallback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType, - uint64_t srcObject, size_t location, int32_t msgCode, - const char *pLayerPrefix, const char *pMsg, - void *pUserData) { -#ifdef _WIN32 - DebugBreak(); -#else - raise(SIGTRAP); -#endif - - return false; -} - -typedef struct { - VkImage image; - VkCommandBuffer cmd; - VkImageView view; -} SwapchainBuffers; - -struct demo { - GLFWwindow* window; - VkSurfaceKHR surface; - bool use_staging_buffer; - - VkInstance inst; - VkPhysicalDevice gpu; - VkDevice device; - VkQueue queue; - VkPhysicalDeviceProperties gpu_props; - VkPhysicalDeviceFeatures gpu_features; - VkQueueFamilyProperties *queue_props; - uint32_t graphics_queue_node_index; - - uint32_t enabled_extension_count; - uint32_t enabled_layer_count; - const char *extension_names[64]; - const char *enabled_layers[64]; - - int width, height; - VkFormat format; - VkColorSpaceKHR color_space; - - uint32_t swapchainImageCount; - VkSwapchainKHR swapchain; - SwapchainBuffers *buffers; - - VkCommandPool cmd_pool; - - struct { - VkFormat format; - - VkImage image; - VkDeviceMemory mem; - VkImageView view; - } depth; - - struct texture_object textures[DEMO_TEXTURE_COUNT]; - - struct { - VkBuffer buf; - VkDeviceMemory mem; - - VkPipelineVertexInputStateCreateInfo vi; - VkVertexInputBindingDescription vi_bindings[1]; - VkVertexInputAttributeDescription vi_attrs[2]; - } vertices; - - VkCommandBuffer setup_cmd; // Command Buffer for initialization commands - VkCommandBuffer draw_cmd; // Command Buffer for drawing commands - VkPipelineLayout pipeline_layout; - VkDescriptorSetLayout desc_layout; - VkPipelineCache pipelineCache; - VkRenderPass render_pass; - VkPipeline pipeline; - - VkShaderModule vert_shader_module; - VkShaderModule frag_shader_module; - - VkDescriptorPool desc_pool; - VkDescriptorSet desc_set; - - VkFramebuffer *framebuffers; - - VkPhysicalDeviceMemoryProperties memory_properties; - - int32_t curFrame; - int32_t frameCount; - bool validate; - bool use_break; - VkDebugReportCallbackEXT msg_callback; - - float depthStencil; - float depthIncrement; - - uint32_t current_buffer; - uint32_t queue_count; -}; - -VKAPI_ATTR VkBool32 VKAPI_CALL -dbgFunc(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType, - uint64_t srcObject, size_t location, int32_t msgCode, - const char *pLayerPrefix, const char *pMsg, void *pUserData) { - char *message = (char *)malloc(strlen(pMsg) + 100); - - assert(message); - - validation_error = 1; - - if (msgFlags & VK_DEBUG_REPORT_ERROR_BIT_EXT) { - sprintf(message, "ERROR: [%s] Code %d : %s", pLayerPrefix, msgCode, - pMsg); - } else if (msgFlags & VK_DEBUG_REPORT_WARNING_BIT_EXT) { - sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode, - pMsg); - } else { - return false; - } - - printf("%s\n", message); - fflush(stdout); - free(message); - - /* - * false indicates that layer should not bail-out of an - * API call that had validation failures. This may mean that the - * app dies inside the driver due to invalid parameter(s). - * That's what would happen without validation layers, so we'll - * keep that behavior here. - */ - return false; -} - -// Forward declaration: -static void demo_resize(struct demo *demo); - -static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits, - VkFlags requirements_mask, - uint32_t *typeIndex) { - uint32_t i; - // Search memtypes to find first index with those properties - for (i = 0; i < VK_MAX_MEMORY_TYPES; i++) { - if ((typeBits & 1) == 1) { - // Type is available, does it match user properties? - if ((demo->memory_properties.memoryTypes[i].propertyFlags & - requirements_mask) == requirements_mask) { - *typeIndex = i; - return true; - } - } - typeBits >>= 1; - } - // No memory types matched, return failure - return false; -} - -static void demo_flush_init_cmd(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - - if (demo->setup_cmd == VK_NULL_HANDLE) - return; - - err = vkEndCommandBuffer(demo->setup_cmd); - assert(!err); - - const VkCommandBuffer cmd_bufs[] = {demo->setup_cmd}; - VkFence nullFence = {VK_NULL_HANDLE}; - VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, - .pNext = NULL, - .waitSemaphoreCount = 0, - .pWaitSemaphores = NULL, - .pWaitDstStageMask = NULL, - .commandBufferCount = 1, - .pCommandBuffers = cmd_bufs, - .signalSemaphoreCount = 0, - .pSignalSemaphores = NULL}; - - err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence); - assert(!err); - - err = vkQueueWaitIdle(demo->queue); - assert(!err); - - vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, cmd_bufs); - demo->setup_cmd = VK_NULL_HANDLE; -} - -static void demo_set_image_layout(struct demo *demo, VkImage image, - VkImageAspectFlags aspectMask, - VkImageLayout old_image_layout, - VkImageLayout new_image_layout, - VkAccessFlagBits srcAccessMask) { - - VkResult U_ASSERT_ONLY err; - - if (demo->setup_cmd == VK_NULL_HANDLE) { - const VkCommandBufferAllocateInfo cmd = { - .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, - .pNext = NULL, - .commandPool = demo->cmd_pool, - .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY, - .commandBufferCount = 1, - }; - - err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->setup_cmd); - assert(!err); - - VkCommandBufferBeginInfo cmd_buf_info = { - .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, - .pNext = NULL, - .flags = 0, - .pInheritanceInfo = NULL, - }; - err = vkBeginCommandBuffer(demo->setup_cmd, &cmd_buf_info); - assert(!err); - } - - VkImageMemoryBarrier image_memory_barrier = { - .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, - .pNext = NULL, - .srcAccessMask = srcAccessMask, - .dstAccessMask = 0, - .oldLayout = old_image_layout, - .newLayout = new_image_layout, - .image = image, - .subresourceRange = {aspectMask, 0, 1, 0, 1}}; - - if (new_image_layout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) { - /* Make sure anything that was copying from this image has completed */ - image_memory_barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT; - } - - if (new_image_layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) { - image_memory_barrier.dstAccessMask = - VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; - } - - if (new_image_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) { - image_memory_barrier.dstAccessMask = - VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT; - } - - if (new_image_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) { - /* Make sure any Copy or CPU writes to image are flushed */ - image_memory_barrier.dstAccessMask = - VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT; - } - - VkImageMemoryBarrier *pmemory_barrier = &image_memory_barrier; - - VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT; - VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT; - - vkCmdPipelineBarrier(demo->setup_cmd, src_stages, dest_stages, 0, 0, NULL, - 0, NULL, 1, pmemory_barrier); -} - -static void demo_draw_build_cmd(struct demo *demo) { - const VkCommandBufferBeginInfo cmd_buf_info = { - .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, - .pNext = NULL, - .flags = 0, - .pInheritanceInfo = NULL, - }; - const VkClearValue clear_values[2] = { - [0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}}, - [1] = {.depthStencil = {demo->depthStencil, 0}}, - }; - const VkRenderPassBeginInfo rp_begin = { - .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, - .pNext = NULL, - .renderPass = demo->render_pass, - .framebuffer = demo->framebuffers[demo->current_buffer], - .renderArea.offset.x = 0, - .renderArea.offset.y = 0, - .renderArea.extent.width = demo->width, - .renderArea.extent.height = demo->height, - .clearValueCount = 2, - .pClearValues = clear_values, - }; - VkResult U_ASSERT_ONLY err; - - err = vkBeginCommandBuffer(demo->draw_cmd, &cmd_buf_info); - assert(!err); - - // We can use LAYOUT_UNDEFINED as a wildcard here because we don't care what - // happens to the previous contents of the image - VkImageMemoryBarrier image_memory_barrier = { - .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, - .pNext = NULL, - .srcAccessMask = 0, - .dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, - .oldLayout = VK_IMAGE_LAYOUT_UNDEFINED, - .newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, - .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, - .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, - .image = demo->buffers[demo->current_buffer].image, - .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}}; - - vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, - VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, - NULL, 1, &image_memory_barrier); - vkCmdBeginRenderPass(demo->draw_cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); - vkCmdBindPipeline(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, - demo->pipeline); - vkCmdBindDescriptorSets(demo->draw_cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, - demo->pipeline_layout, 0, 1, &demo->desc_set, 0, - NULL); - - VkViewport viewport; - memset(&viewport, 0, sizeof(viewport)); - viewport.height = (float)demo->height; - viewport.width = (float)demo->width; - viewport.minDepth = (float)0.0f; - viewport.maxDepth = (float)1.0f; - vkCmdSetViewport(demo->draw_cmd, 0, 1, &viewport); - - VkRect2D scissor; - memset(&scissor, 0, sizeof(scissor)); - scissor.extent.width = demo->width; - scissor.extent.height = demo->height; - scissor.offset.x = 0; - scissor.offset.y = 0; - vkCmdSetScissor(demo->draw_cmd, 0, 1, &scissor); - - VkDeviceSize offsets[1] = {0}; - vkCmdBindVertexBuffers(demo->draw_cmd, VERTEX_BUFFER_BIND_ID, 1, - &demo->vertices.buf, offsets); - - vkCmdDraw(demo->draw_cmd, 3, 1, 0, 0); - vkCmdEndRenderPass(demo->draw_cmd); - - VkImageMemoryBarrier prePresentBarrier = { - .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, - .pNext = NULL, - .srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, - .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT, - .oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, - .newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, - .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, - .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, - .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}}; - - prePresentBarrier.image = demo->buffers[demo->current_buffer].image; - VkImageMemoryBarrier *pmemory_barrier = &prePresentBarrier; - vkCmdPipelineBarrier(demo->draw_cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, - VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, - NULL, 1, pmemory_barrier); - - err = vkEndCommandBuffer(demo->draw_cmd); - assert(!err); -} - -static void demo_draw(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - VkSemaphore imageAcquiredSemaphore, drawCompleteSemaphore; - VkSemaphoreCreateInfo semaphoreCreateInfo = { - .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, - .pNext = NULL, - .flags = 0, - }; - - err = vkCreateSemaphore(demo->device, &semaphoreCreateInfo, - NULL, &imageAcquiredSemaphore); - assert(!err); - - err = vkCreateSemaphore(demo->device, &semaphoreCreateInfo, - NULL, &drawCompleteSemaphore); - assert(!err); - - // Get the index of the next available swapchain image: - err = vkAcquireNextImageKHR(demo->device, demo->swapchain, UINT64_MAX, - imageAcquiredSemaphore, - (VkFence)0, // TODO: Show use of fence - &demo->current_buffer); - if (err == VK_ERROR_OUT_OF_DATE_KHR) { - // demo->swapchain is out of date (e.g. the window was resized) and - // must be recreated: - demo_resize(demo); - demo_draw(demo); - vkDestroySemaphore(demo->device, imageAcquiredSemaphore, NULL); - vkDestroySemaphore(demo->device, drawCompleteSemaphore, NULL); - return; - } else if (err == VK_SUBOPTIMAL_KHR) { - // demo->swapchain is not as optimal as it could be, but the platform's - // presentation engine will still present the image correctly. - } else { - assert(!err); - } - - demo_flush_init_cmd(demo); - - // Wait for the present complete semaphore to be signaled to ensure - // that the image won't be rendered to until the presentation - // engine has fully released ownership to the application, and it is - // okay to render to the image. - - demo_draw_build_cmd(demo); - VkFence nullFence = VK_NULL_HANDLE; - VkPipelineStageFlags pipe_stage_flags = - VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; - VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, - .pNext = NULL, - .waitSemaphoreCount = 1, - .pWaitSemaphores = &imageAcquiredSemaphore, - .pWaitDstStageMask = &pipe_stage_flags, - .commandBufferCount = 1, - .pCommandBuffers = &demo->draw_cmd, - .signalSemaphoreCount = 1, - .pSignalSemaphores = &drawCompleteSemaphore}; - - err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence); - assert(!err); - - VkPresentInfoKHR present = { - .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, - .pNext = NULL, - .waitSemaphoreCount = 1, - .pWaitSemaphores = &drawCompleteSemaphore, - .swapchainCount = 1, - .pSwapchains = &demo->swapchain, - .pImageIndices = &demo->current_buffer, - }; - - err = vkQueuePresentKHR(demo->queue, &present); - if (err == VK_ERROR_OUT_OF_DATE_KHR) { - // demo->swapchain is out of date (e.g. the window was resized) and - // must be recreated: - demo_resize(demo); - } else if (err == VK_SUBOPTIMAL_KHR) { - // demo->swapchain is not as optimal as it could be, but the platform's - // presentation engine will still present the image correctly. - } else { - assert(!err); - } - - err = vkQueueWaitIdle(demo->queue); - assert(err == VK_SUCCESS); - - vkDestroySemaphore(demo->device, imageAcquiredSemaphore, NULL); - vkDestroySemaphore(demo->device, drawCompleteSemaphore, NULL); -} - -static void demo_prepare_buffers(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - VkSwapchainKHR oldSwapchain = demo->swapchain; - - // Check the surface capabilities and formats - VkSurfaceCapabilitiesKHR surfCapabilities; - err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR( - demo->gpu, demo->surface, &surfCapabilities); - assert(!err); - - uint32_t presentModeCount; - err = vkGetPhysicalDeviceSurfacePresentModesKHR( - demo->gpu, demo->surface, &presentModeCount, NULL); - assert(!err); - VkPresentModeKHR *presentModes = - (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR)); - assert(presentModes); - err = vkGetPhysicalDeviceSurfacePresentModesKHR( - demo->gpu, demo->surface, &presentModeCount, presentModes); - assert(!err); - - VkExtent2D swapchainExtent; - // width and height are either both 0xFFFFFFFF, or both not 0xFFFFFFFF. - if (surfCapabilities.currentExtent.width == 0xFFFFFFFF) { - // If the surface size is undefined, the size is set to the size - // of the images requested, which must fit within the minimum and - // maximum values. - swapchainExtent.width = demo->width; - swapchainExtent.height = demo->height; - - if (swapchainExtent.width < surfCapabilities.minImageExtent.width) { - swapchainExtent.width = surfCapabilities.minImageExtent.width; - } else if (swapchainExtent.width > surfCapabilities.maxImageExtent.width) { - swapchainExtent.width = surfCapabilities.maxImageExtent.width; - } - - if (swapchainExtent.height < surfCapabilities.minImageExtent.height) { - swapchainExtent.height = surfCapabilities.minImageExtent.height; - } else if (swapchainExtent.height > surfCapabilities.maxImageExtent.height) { - swapchainExtent.height = surfCapabilities.maxImageExtent.height; - } - } else { - // If the surface size is defined, the swap chain size must match - swapchainExtent = surfCapabilities.currentExtent; - demo->width = surfCapabilities.currentExtent.width; - demo->height = surfCapabilities.currentExtent.height; - } - - VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR; - - // Determine the number of VkImage's to use in the swap chain. - // Application desires to only acquire 1 image at a time (which is - // "surfCapabilities.minImageCount"). - uint32_t desiredNumOfSwapchainImages = surfCapabilities.minImageCount; - // If maxImageCount is 0, we can ask for as many images as we want; - // otherwise we're limited to maxImageCount - if ((surfCapabilities.maxImageCount > 0) && - (desiredNumOfSwapchainImages > surfCapabilities.maxImageCount)) { - // Application must settle for fewer images than desired: - desiredNumOfSwapchainImages = surfCapabilities.maxImageCount; - } - - VkSurfaceTransformFlagsKHR preTransform; - if (surfCapabilities.supportedTransforms & - VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) { - preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; - } else { - preTransform = surfCapabilities.currentTransform; - } - - const VkSwapchainCreateInfoKHR swapchain = { - .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, - .pNext = NULL, - .surface = demo->surface, - .minImageCount = desiredNumOfSwapchainImages, - .imageFormat = demo->format, - .imageColorSpace = demo->color_space, - .imageExtent = - { - .width = swapchainExtent.width, .height = swapchainExtent.height, - }, - .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, - .preTransform = preTransform, - .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, - .imageArrayLayers = 1, - .imageSharingMode = VK_SHARING_MODE_EXCLUSIVE, - .queueFamilyIndexCount = 0, - .pQueueFamilyIndices = NULL, - .presentMode = swapchainPresentMode, - .oldSwapchain = oldSwapchain, - .clipped = true, - }; - uint32_t i; - - err = vkCreateSwapchainKHR(demo->device, &swapchain, NULL, &demo->swapchain); - assert(!err); - - // If we just re-created an existing swapchain, we should destroy the old - // swapchain at this point. - // Note: destroying the swapchain also cleans up all its associated - // presentable images once the platform is done with them. - if (oldSwapchain != VK_NULL_HANDLE) { - vkDestroySwapchainKHR(demo->device, oldSwapchain, NULL); - } - - err = vkGetSwapchainImagesKHR(demo->device, demo->swapchain, - &demo->swapchainImageCount, NULL); - assert(!err); - - VkImage *swapchainImages = - (VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage)); - assert(swapchainImages); - err = vkGetSwapchainImagesKHR(demo->device, demo->swapchain, - &demo->swapchainImageCount, - swapchainImages); - assert(!err); - - demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) * - demo->swapchainImageCount); - assert(demo->buffers); - - for (i = 0; i < demo->swapchainImageCount; i++) { - VkImageViewCreateInfo color_attachment_view = { - .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, - .pNext = NULL, - .format = demo->format, - .components = - { - .r = VK_COMPONENT_SWIZZLE_R, - .g = VK_COMPONENT_SWIZZLE_G, - .b = VK_COMPONENT_SWIZZLE_B, - .a = VK_COMPONENT_SWIZZLE_A, - }, - .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, - .baseMipLevel = 0, - .levelCount = 1, - .baseArrayLayer = 0, - .layerCount = 1}, - .viewType = VK_IMAGE_VIEW_TYPE_2D, - .flags = 0, - }; - - demo->buffers[i].image = swapchainImages[i]; - - color_attachment_view.image = demo->buffers[i].image; - - err = vkCreateImageView(demo->device, &color_attachment_view, NULL, - &demo->buffers[i].view); - assert(!err); - } - - demo->current_buffer = 0; - - if (NULL != presentModes) { - free(presentModes); - } -} - -static void demo_prepare_depth(struct demo *demo) { - const VkFormat depth_format = VK_FORMAT_D16_UNORM; - const VkImageCreateInfo image = { - .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, - .pNext = NULL, - .imageType = VK_IMAGE_TYPE_2D, - .format = depth_format, - .extent = {demo->width, demo->height, 1}, - .mipLevels = 1, - .arrayLayers = 1, - .samples = VK_SAMPLE_COUNT_1_BIT, - .tiling = VK_IMAGE_TILING_OPTIMAL, - .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, - .flags = 0, - }; - VkMemoryAllocateInfo mem_alloc = { - .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, - .pNext = NULL, - .allocationSize = 0, - .memoryTypeIndex = 0, - }; - VkImageViewCreateInfo view = { - .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, - .pNext = NULL, - .image = VK_NULL_HANDLE, - .format = depth_format, - .subresourceRange = {.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT, - .baseMipLevel = 0, - .levelCount = 1, - .baseArrayLayer = 0, - .layerCount = 1}, - .flags = 0, - .viewType = VK_IMAGE_VIEW_TYPE_2D, - }; - - VkMemoryRequirements mem_reqs; - VkResult U_ASSERT_ONLY err; - bool U_ASSERT_ONLY pass; - - demo->depth.format = depth_format; - - /* create image */ - err = vkCreateImage(demo->device, &image, NULL, &demo->depth.image); - assert(!err); - - /* get memory requirements for this object */ - vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs); - - /* select memory size and type */ - mem_alloc.allocationSize = mem_reqs.size; - pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits, - 0, /* No requirements */ - &mem_alloc.memoryTypeIndex); - assert(pass); - - /* allocate memory */ - err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &demo->depth.mem); - assert(!err); - - /* bind memory */ - err = - vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0); - assert(!err); - - demo_set_image_layout(demo, demo->depth.image, VK_IMAGE_ASPECT_DEPTH_BIT, - VK_IMAGE_LAYOUT_UNDEFINED, - VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, - 0); - - /* create image view */ - view.image = demo->depth.image; - err = vkCreateImageView(demo->device, &view, NULL, &demo->depth.view); - assert(!err); -} - -static void -demo_prepare_texture_image(struct demo *demo, const uint32_t *tex_colors, - struct texture_object *tex_obj, VkImageTiling tiling, - VkImageUsageFlags usage, VkFlags required_props) { - const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM; - const int32_t tex_width = 2; - const int32_t tex_height = 2; - VkResult U_ASSERT_ONLY err; - bool U_ASSERT_ONLY pass; - - tex_obj->tex_width = tex_width; - tex_obj->tex_height = tex_height; - - const VkImageCreateInfo image_create_info = { - .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, - .pNext = NULL, - .imageType = VK_IMAGE_TYPE_2D, - .format = tex_format, - .extent = {tex_width, tex_height, 1}, - .mipLevels = 1, - .arrayLayers = 1, - .samples = VK_SAMPLE_COUNT_1_BIT, - .tiling = tiling, - .usage = usage, - .flags = 0, - .initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED - }; - VkMemoryAllocateInfo mem_alloc = { - .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, - .pNext = NULL, - .allocationSize = 0, - .memoryTypeIndex = 0, - }; - - VkMemoryRequirements mem_reqs; - - err = - vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image); - assert(!err); - - vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs); - - mem_alloc.allocationSize = mem_reqs.size; - pass = - memory_type_from_properties(demo, mem_reqs.memoryTypeBits, - required_props, &mem_alloc.memoryTypeIndex); - assert(pass); - - /* allocate memory */ - err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &tex_obj->mem); - assert(!err); - - /* bind memory */ - err = vkBindImageMemory(demo->device, tex_obj->image, tex_obj->mem, 0); - assert(!err); - - if (required_props & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) { - const VkImageSubresource subres = { - .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, - .mipLevel = 0, - .arrayLayer = 0, - }; - VkSubresourceLayout layout; - void *data; - int32_t x, y; - - vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres, - &layout); - - err = vkMapMemory(demo->device, tex_obj->mem, 0, - mem_alloc.allocationSize, 0, &data); - assert(!err); - - for (y = 0; y < tex_height; y++) { - uint32_t *row = (uint32_t *)((char *)data + layout.rowPitch * y); - for (x = 0; x < tex_width; x++) - row[x] = tex_colors[(x & 1) ^ (y & 1)]; - } - - vkUnmapMemory(demo->device, tex_obj->mem); - } - - tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - demo_set_image_layout(demo, tex_obj->image, VK_IMAGE_ASPECT_COLOR_BIT, - VK_IMAGE_LAYOUT_PREINITIALIZED, tex_obj->imageLayout, - VK_ACCESS_HOST_WRITE_BIT); - /* setting the image layout does not reference the actual memory so no need - * to add a mem ref */ -} - -static void demo_destroy_texture_image(struct demo *demo, - struct texture_object *tex_obj) { - /* clean up staging resources */ - vkDestroyImage(demo->device, tex_obj->image, NULL); - vkFreeMemory(demo->device, tex_obj->mem, NULL); -} - -static void demo_prepare_textures(struct demo *demo) { - const VkFormat tex_format = VK_FORMAT_B8G8R8A8_UNORM; - VkFormatProperties props; - const uint32_t tex_colors[DEMO_TEXTURE_COUNT][2] = { - {0xffff0000, 0xff00ff00}, - }; - uint32_t i; - VkResult U_ASSERT_ONLY err; - - vkGetPhysicalDeviceFormatProperties(demo->gpu, tex_format, &props); - - for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { - if ((props.linearTilingFeatures & - VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) && - !demo->use_staging_buffer) { - /* Device can texture using linear textures */ - demo_prepare_texture_image( - demo, tex_colors[i], &demo->textures[i], VK_IMAGE_TILING_LINEAR, - VK_IMAGE_USAGE_SAMPLED_BIT, - VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | - VK_MEMORY_PROPERTY_HOST_COHERENT_BIT); - } else if (props.optimalTilingFeatures & - VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) { - /* Must use staging buffer to copy linear texture to optimized */ - struct texture_object staging_texture; - - memset(&staging_texture, 0, sizeof(staging_texture)); - demo_prepare_texture_image( - demo, tex_colors[i], &staging_texture, VK_IMAGE_TILING_LINEAR, - VK_IMAGE_USAGE_TRANSFER_SRC_BIT, - VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | - VK_MEMORY_PROPERTY_HOST_COHERENT_BIT); - - demo_prepare_texture_image( - demo, tex_colors[i], &demo->textures[i], - VK_IMAGE_TILING_OPTIMAL, - (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT), - VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); - - demo_set_image_layout(demo, staging_texture.image, - VK_IMAGE_ASPECT_COLOR_BIT, - staging_texture.imageLayout, - VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, - 0); - - demo_set_image_layout(demo, demo->textures[i].image, - VK_IMAGE_ASPECT_COLOR_BIT, - demo->textures[i].imageLayout, - VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, - 0); - - VkImageCopy copy_region = { - .srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1}, - .srcOffset = {0, 0, 0}, - .dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1}, - .dstOffset = {0, 0, 0}, - .extent = {staging_texture.tex_width, - staging_texture.tex_height, 1}, - }; - vkCmdCopyImage( - demo->setup_cmd, staging_texture.image, - VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, demo->textures[i].image, - VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©_region); - - demo_set_image_layout(demo, demo->textures[i].image, - VK_IMAGE_ASPECT_COLOR_BIT, - VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, - demo->textures[i].imageLayout, - 0); - - demo_flush_init_cmd(demo); - - demo_destroy_texture_image(demo, &staging_texture); - } else { - /* Can't support VK_FORMAT_B8G8R8A8_UNORM !? */ - assert(!"No support for B8G8R8A8_UNORM as texture image format"); - } - - const VkSamplerCreateInfo sampler = { - .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, - .pNext = NULL, - .magFilter = VK_FILTER_NEAREST, - .minFilter = VK_FILTER_NEAREST, - .mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST, - .addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT, - .addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT, - .addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT, - .mipLodBias = 0.0f, - .anisotropyEnable = VK_FALSE, - .maxAnisotropy = 1, - .compareOp = VK_COMPARE_OP_NEVER, - .minLod = 0.0f, - .maxLod = 0.0f, - .borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE, - .unnormalizedCoordinates = VK_FALSE, - }; - VkImageViewCreateInfo view = { - .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, - .pNext = NULL, - .image = VK_NULL_HANDLE, - .viewType = VK_IMAGE_VIEW_TYPE_2D, - .format = tex_format, - .components = - { - VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, - VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A, - }, - .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}, - .flags = 0, - }; - - /* create sampler */ - err = vkCreateSampler(demo->device, &sampler, NULL, - &demo->textures[i].sampler); - assert(!err); - - /* create image view */ - view.image = demo->textures[i].image; - err = vkCreateImageView(demo->device, &view, NULL, - &demo->textures[i].view); - assert(!err); - } -} - -static void demo_prepare_vertices(struct demo *demo) { - // clang-format off - const float vb[3][5] = { - /* position texcoord */ - { -1.0f, -1.0f, 0.25f, 0.0f, 0.0f }, - { 1.0f, -1.0f, 0.25f, 1.0f, 0.0f }, - { 0.0f, 1.0f, 1.0f, 0.5f, 1.0f }, - }; - // clang-format on - const VkBufferCreateInfo buf_info = { - .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, - .pNext = NULL, - .size = sizeof(vb), - .usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, - .flags = 0, - }; - VkMemoryAllocateInfo mem_alloc = { - .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, - .pNext = NULL, - .allocationSize = 0, - .memoryTypeIndex = 0, - }; - VkMemoryRequirements mem_reqs; - VkResult U_ASSERT_ONLY err; - bool U_ASSERT_ONLY pass; - void *data; - - memset(&demo->vertices, 0, sizeof(demo->vertices)); - - err = vkCreateBuffer(demo->device, &buf_info, NULL, &demo->vertices.buf); - assert(!err); - - vkGetBufferMemoryRequirements(demo->device, demo->vertices.buf, &mem_reqs); - assert(!err); - - mem_alloc.allocationSize = mem_reqs.size; - pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits, - VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | - VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, - &mem_alloc.memoryTypeIndex); - assert(pass); - - err = vkAllocateMemory(demo->device, &mem_alloc, NULL, &demo->vertices.mem); - assert(!err); - - err = vkMapMemory(demo->device, demo->vertices.mem, 0, - mem_alloc.allocationSize, 0, &data); - assert(!err); - - memcpy(data, vb, sizeof(vb)); - - vkUnmapMemory(demo->device, demo->vertices.mem); - - err = vkBindBufferMemory(demo->device, demo->vertices.buf, - demo->vertices.mem, 0); - assert(!err); - - demo->vertices.vi.sType = - VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - demo->vertices.vi.pNext = NULL; - demo->vertices.vi.vertexBindingDescriptionCount = 1; - demo->vertices.vi.pVertexBindingDescriptions = demo->vertices.vi_bindings; - demo->vertices.vi.vertexAttributeDescriptionCount = 2; - demo->vertices.vi.pVertexAttributeDescriptions = demo->vertices.vi_attrs; - - demo->vertices.vi_bindings[0].binding = VERTEX_BUFFER_BIND_ID; - demo->vertices.vi_bindings[0].stride = sizeof(vb[0]); - demo->vertices.vi_bindings[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - demo->vertices.vi_attrs[0].binding = VERTEX_BUFFER_BIND_ID; - demo->vertices.vi_attrs[0].location = 0; - demo->vertices.vi_attrs[0].format = VK_FORMAT_R32G32B32_SFLOAT; - demo->vertices.vi_attrs[0].offset = 0; - - demo->vertices.vi_attrs[1].binding = VERTEX_BUFFER_BIND_ID; - demo->vertices.vi_attrs[1].location = 1; - demo->vertices.vi_attrs[1].format = VK_FORMAT_R32G32_SFLOAT; - demo->vertices.vi_attrs[1].offset = sizeof(float) * 3; -} - -static void demo_prepare_descriptor_layout(struct demo *demo) { - const VkDescriptorSetLayoutBinding layout_binding = { - .binding = 0, - .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, - .descriptorCount = DEMO_TEXTURE_COUNT, - .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT, - .pImmutableSamplers = NULL, - }; - const VkDescriptorSetLayoutCreateInfo descriptor_layout = { - .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, - .pNext = NULL, - .bindingCount = 1, - .pBindings = &layout_binding, - }; - VkResult U_ASSERT_ONLY err; - - err = vkCreateDescriptorSetLayout(demo->device, &descriptor_layout, NULL, - &demo->desc_layout); - assert(!err); - - const VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = { - .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, - .pNext = NULL, - .setLayoutCount = 1, - .pSetLayouts = &demo->desc_layout, - }; - - err = vkCreatePipelineLayout(demo->device, &pPipelineLayoutCreateInfo, NULL, - &demo->pipeline_layout); - assert(!err); -} - -static void demo_prepare_render_pass(struct demo *demo) { - const VkAttachmentDescription attachments[2] = { - [0] = - { - .format = demo->format, - .samples = VK_SAMPLE_COUNT_1_BIT, - .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR, - .storeOp = VK_ATTACHMENT_STORE_OP_STORE, - .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE, - .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE, - .initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, - .finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, - }, - [1] = - { - .format = demo->depth.format, - .samples = VK_SAMPLE_COUNT_1_BIT, - .loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR, - .storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE, - .stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE, - .stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE, - .initialLayout = - VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, - .finalLayout = - VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, - }, - }; - const VkAttachmentReference color_reference = { - .attachment = 0, .layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, - }; - const VkAttachmentReference depth_reference = { - .attachment = 1, - .layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, - }; - const VkSubpassDescription subpass = { - .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS, - .flags = 0, - .inputAttachmentCount = 0, - .pInputAttachments = NULL, - .colorAttachmentCount = 1, - .pColorAttachments = &color_reference, - .pResolveAttachments = NULL, - .pDepthStencilAttachment = &depth_reference, - .preserveAttachmentCount = 0, - .pPreserveAttachments = NULL, - }; - const VkRenderPassCreateInfo rp_info = { - .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, - .pNext = NULL, - .attachmentCount = 2, - .pAttachments = attachments, - .subpassCount = 1, - .pSubpasses = &subpass, - .dependencyCount = 0, - .pDependencies = NULL, - }; - VkResult U_ASSERT_ONLY err; - - err = vkCreateRenderPass(demo->device, &rp_info, NULL, &demo->render_pass); - assert(!err); -} - -static VkShaderModule -demo_prepare_shader_module(struct demo *demo, const void *code, size_t size) { - VkShaderModuleCreateInfo moduleCreateInfo; - VkShaderModule module; - VkResult U_ASSERT_ONLY err; - - moduleCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - moduleCreateInfo.pNext = NULL; - - moduleCreateInfo.codeSize = size; - moduleCreateInfo.pCode = code; - moduleCreateInfo.flags = 0; - err = vkCreateShaderModule(demo->device, &moduleCreateInfo, NULL, &module); - assert(!err); - - return module; -} - -static VkShaderModule demo_prepare_vs(struct demo *demo) { - size_t size = sizeof(vertShaderCode); - - demo->vert_shader_module = - demo_prepare_shader_module(demo, vertShaderCode, size); - - return demo->vert_shader_module; -} - -static VkShaderModule demo_prepare_fs(struct demo *demo) { - size_t size = sizeof(fragShaderCode); - - demo->frag_shader_module = - demo_prepare_shader_module(demo, fragShaderCode, size); - - return demo->frag_shader_module; -} - -static void demo_prepare_pipeline(struct demo *demo) { - VkGraphicsPipelineCreateInfo pipeline; - VkPipelineCacheCreateInfo pipelineCache; - - VkPipelineVertexInputStateCreateInfo vi; - VkPipelineInputAssemblyStateCreateInfo ia; - VkPipelineRasterizationStateCreateInfo rs; - VkPipelineColorBlendStateCreateInfo cb; - VkPipelineDepthStencilStateCreateInfo ds; - VkPipelineViewportStateCreateInfo vp; - VkPipelineMultisampleStateCreateInfo ms; - VkDynamicState dynamicStateEnables[(VK_DYNAMIC_STATE_STENCIL_REFERENCE - VK_DYNAMIC_STATE_VIEWPORT + 1)]; - VkPipelineDynamicStateCreateInfo dynamicState; - - VkResult U_ASSERT_ONLY err; - - memset(dynamicStateEnables, 0, sizeof dynamicStateEnables); - memset(&dynamicState, 0, sizeof dynamicState); - dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamicState.pDynamicStates = dynamicStateEnables; - - memset(&pipeline, 0, sizeof(pipeline)); - pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - pipeline.layout = demo->pipeline_layout; - - vi = demo->vertices.vi; - - memset(&ia, 0, sizeof(ia)); - ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - memset(&rs, 0, sizeof(rs)); - rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - rs.polygonMode = VK_POLYGON_MODE_FILL; - rs.cullMode = VK_CULL_MODE_BACK_BIT; - rs.frontFace = VK_FRONT_FACE_CLOCKWISE; - rs.depthClampEnable = VK_FALSE; - rs.rasterizerDiscardEnable = VK_FALSE; - rs.depthBiasEnable = VK_FALSE; - rs.lineWidth = 1.0f; - - memset(&cb, 0, sizeof(cb)); - cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - VkPipelineColorBlendAttachmentState att_state[1]; - memset(att_state, 0, sizeof(att_state)); - att_state[0].colorWriteMask = 0xf; - att_state[0].blendEnable = VK_FALSE; - cb.attachmentCount = 1; - cb.pAttachments = att_state; - - memset(&vp, 0, sizeof(vp)); - vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - vp.viewportCount = 1; - dynamicStateEnables[dynamicState.dynamicStateCount++] = - VK_DYNAMIC_STATE_VIEWPORT; - vp.scissorCount = 1; - dynamicStateEnables[dynamicState.dynamicStateCount++] = - VK_DYNAMIC_STATE_SCISSOR; - - memset(&ds, 0, sizeof(ds)); - ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - ds.depthTestEnable = VK_TRUE; - ds.depthWriteEnable = VK_TRUE; - ds.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL; - ds.depthBoundsTestEnable = VK_FALSE; - ds.back.failOp = VK_STENCIL_OP_KEEP; - ds.back.passOp = VK_STENCIL_OP_KEEP; - ds.back.compareOp = VK_COMPARE_OP_ALWAYS; - ds.stencilTestEnable = VK_FALSE; - ds.front = ds.back; - - memset(&ms, 0, sizeof(ms)); - ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms.pSampleMask = NULL; - ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - // 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_BIT; - shaderStages[0].module = demo_prepare_vs(demo); - shaderStages[0].pName = "main"; - - shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - shaderStages[1].module = demo_prepare_fs(demo); - shaderStages[1].pName = "main"; - - pipeline.pVertexInputState = &vi; - pipeline.pInputAssemblyState = &ia; - pipeline.pRasterizationState = &rs; - pipeline.pColorBlendState = &cb; - pipeline.pMultisampleState = &ms; - pipeline.pViewportState = &vp; - pipeline.pDepthStencilState = &ds; - pipeline.pStages = shaderStages; - pipeline.renderPass = demo->render_pass; - pipeline.pDynamicState = &dynamicState; - - memset(&pipelineCache, 0, sizeof(pipelineCache)); - pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO; - - err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL, - &demo->pipelineCache); - assert(!err); - err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1, - &pipeline, NULL, &demo->pipeline); - assert(!err); - - vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL); - - vkDestroyShaderModule(demo->device, demo->frag_shader_module, NULL); - vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL); -} - -static void demo_prepare_descriptor_pool(struct demo *demo) { - const VkDescriptorPoolSize type_count = { - .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, - .descriptorCount = DEMO_TEXTURE_COUNT, - }; - const VkDescriptorPoolCreateInfo descriptor_pool = { - .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO, - .pNext = NULL, - .maxSets = 1, - .poolSizeCount = 1, - .pPoolSizes = &type_count, - }; - VkResult U_ASSERT_ONLY err; - - err = vkCreateDescriptorPool(demo->device, &descriptor_pool, NULL, - &demo->desc_pool); - assert(!err); -} - -static void demo_prepare_descriptor_set(struct demo *demo) { - VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT]; - VkWriteDescriptorSet write; - VkResult U_ASSERT_ONLY err; - uint32_t i; - - VkDescriptorSetAllocateInfo alloc_info = { - .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, - .pNext = NULL, - .descriptorPool = demo->desc_pool, - .descriptorSetCount = 1, - .pSetLayouts = &demo->desc_layout}; - err = vkAllocateDescriptorSets(demo->device, &alloc_info, &demo->desc_set); - assert(!err); - - memset(&tex_descs, 0, sizeof(tex_descs)); - for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { - tex_descs[i].sampler = demo->textures[i].sampler; - tex_descs[i].imageView = demo->textures[i].view; - tex_descs[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL; - } - - memset(&write, 0, sizeof(write)); - write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write.dstSet = demo->desc_set; - write.descriptorCount = DEMO_TEXTURE_COUNT; - write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write.pImageInfo = tex_descs; - - vkUpdateDescriptorSets(demo->device, 1, &write, 0, NULL); -} - -static void demo_prepare_framebuffers(struct demo *demo) { - VkImageView attachments[2]; - attachments[1] = demo->depth.view; - - const VkFramebufferCreateInfo fb_info = { - .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, - .pNext = NULL, - .renderPass = demo->render_pass, - .attachmentCount = 2, - .pAttachments = attachments, - .width = demo->width, - .height = demo->height, - .layers = 1, - }; - VkResult U_ASSERT_ONLY err; - uint32_t i; - - demo->framebuffers = (VkFramebuffer *)malloc(demo->swapchainImageCount * - sizeof(VkFramebuffer)); - assert(demo->framebuffers); - - for (i = 0; i < demo->swapchainImageCount; i++) { - attachments[0] = demo->buffers[i].view; - err = vkCreateFramebuffer(demo->device, &fb_info, NULL, - &demo->framebuffers[i]); - assert(!err); - } -} - -static void demo_prepare(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - - const VkCommandPoolCreateInfo cmd_pool_info = { - .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, - .pNext = NULL, - .queueFamilyIndex = demo->graphics_queue_node_index, - .flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, - }; - err = vkCreateCommandPool(demo->device, &cmd_pool_info, NULL, - &demo->cmd_pool); - assert(!err); - - const VkCommandBufferAllocateInfo cmd = { - .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, - .pNext = NULL, - .commandPool = demo->cmd_pool, - .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY, - .commandBufferCount = 1, - }; - err = vkAllocateCommandBuffers(demo->device, &cmd, &demo->draw_cmd); - assert(!err); - - demo_prepare_buffers(demo); - demo_prepare_depth(demo); - demo_prepare_textures(demo); - demo_prepare_vertices(demo); - demo_prepare_descriptor_layout(demo); - demo_prepare_render_pass(demo); - demo_prepare_pipeline(demo); - - demo_prepare_descriptor_pool(demo); - demo_prepare_descriptor_set(demo); - - demo_prepare_framebuffers(demo); -} - -static void demo_error_callback(int error, const char* description) { - printf("GLFW error: %s\n", description); - fflush(stdout); -} - -static void demo_key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) { - if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) - glfwSetWindowShouldClose(window, GLFW_TRUE); -} - -static void demo_refresh_callback(GLFWwindow* window) { - struct demo* demo = glfwGetWindowUserPointer(window); - demo_draw(demo); -} - -static void demo_resize_callback(GLFWwindow* window, int width, int height) { - struct demo* demo = glfwGetWindowUserPointer(window); - demo->width = width; - demo->height = height; - demo_resize(demo); -} - -static void demo_run(struct demo *demo) { - while (!glfwWindowShouldClose(demo->window)) { - glfwPollEvents(); - - demo_draw(demo); - - if (demo->depthStencil > 0.99f) - demo->depthIncrement = -0.001f; - if (demo->depthStencil < 0.8f) - demo->depthIncrement = 0.001f; - - demo->depthStencil += demo->depthIncrement; - - // Wait for work to finish before updating MVP. - vkDeviceWaitIdle(demo->device); - demo->curFrame++; - if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount) - glfwSetWindowShouldClose(demo->window, GLFW_TRUE); - } -} - -static void demo_create_window(struct demo *demo) { - glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); - - demo->window = glfwCreateWindow(demo->width, - demo->height, - APP_LONG_NAME, - NULL, - NULL); - 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); - } - - glfwSetWindowUserPointer(demo->window, demo); - glfwSetWindowRefreshCallback(demo->window, demo_refresh_callback); - glfwSetFramebufferSizeCallback(demo->window, demo_resize_callback); - glfwSetKeyCallback(demo->window, demo_key_callback); -} - -/* - * Return 1 (true) if all layer names specified in check_names - * can be found in given layer properties. - */ -static VkBool32 demo_check_layers(uint32_t check_count, const char **check_names, - uint32_t layer_count, - VkLayerProperties *layers) { - uint32_t i, j; - for (i = 0; i < check_count; i++) { - VkBool32 found = 0; - for (j = 0; j < layer_count; j++) { - if (!strcmp(check_names[i], layers[j].layerName)) { - found = 1; - break; - } - } - if (!found) { - fprintf(stderr, "Cannot find layer: %s\n", check_names[i]); - return 0; - } - } - return 1; -} - -static void demo_init_vk(struct demo *demo) { - VkResult err; - uint32_t i = 0; - uint32_t required_extension_count = 0; - uint32_t instance_extension_count = 0; - uint32_t instance_layer_count = 0; - uint32_t validation_layer_count = 0; - const char **required_extensions = NULL; - const char **instance_validation_layers = NULL; - demo->enabled_extension_count = 0; - demo->enabled_layer_count = 0; - - char *instance_validation_layers_alt1[] = { - "VK_LAYER_LUNARG_standard_validation" - }; - - char *instance_validation_layers_alt2[] = { - "VK_LAYER_GOOGLE_threading", "VK_LAYER_LUNARG_parameter_validation", - "VK_LAYER_LUNARG_object_tracker", "VK_LAYER_LUNARG_image", - "VK_LAYER_LUNARG_core_validation", "VK_LAYER_LUNARG_swapchain", - "VK_LAYER_GOOGLE_unique_objects" - }; - - /* Look for validation layers */ - VkBool32 validation_found = 0; - if (demo->validate) { - - err = vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL); - assert(!err); - - instance_validation_layers = (const char**) instance_validation_layers_alt1; - if (instance_layer_count > 0) { - VkLayerProperties *instance_layers = - malloc(sizeof (VkLayerProperties) * instance_layer_count); - err = vkEnumerateInstanceLayerProperties(&instance_layer_count, - instance_layers); - assert(!err); - - - validation_found = demo_check_layers( - ARRAY_SIZE(instance_validation_layers_alt1), - instance_validation_layers, instance_layer_count, - instance_layers); - if (validation_found) { - demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt1); - demo->enabled_layers[0] = "VK_LAYER_LUNARG_standard_validation"; - validation_layer_count = 1; - } else { - // use alternative set of validation layers - instance_validation_layers = - (const char**) instance_validation_layers_alt2; - demo->enabled_layer_count = ARRAY_SIZE(instance_validation_layers_alt2); - validation_found = demo_check_layers( - ARRAY_SIZE(instance_validation_layers_alt2), - instance_validation_layers, instance_layer_count, - instance_layers); - validation_layer_count = - ARRAY_SIZE(instance_validation_layers_alt2); - for (i = 0; i < validation_layer_count; i++) { - demo->enabled_layers[i] = instance_validation_layers[i]; - } - } - free(instance_layers); - } - - if (!validation_found) { - ERR_EXIT("vkEnumerateInstanceLayerProperties failed to find " - "required validation layer.\n\n" - "Please look at the Getting Started guide for additional " - "information.\n", - "vkCreateInstance Failure"); - } - } - - /* Look for instance extensions */ - required_extensions = glfwGetRequiredInstanceExtensions(&required_extension_count); - if (!required_extensions) { - ERR_EXIT("glfwGetRequiredInstanceExtensions failed to find the " - "platform surface extensions.\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"); - } - - for (i = 0; i < required_extension_count; i++) { - demo->extension_names[demo->enabled_extension_count++] = required_extensions[i]; - assert(demo->enabled_extension_count < 64); - } - - err = vkEnumerateInstanceExtensionProperties( - NULL, &instance_extension_count, NULL); - assert(!err); - - if (instance_extension_count > 0) { - VkExtensionProperties *instance_extensions = - malloc(sizeof(VkExtensionProperties) * instance_extension_count); - err = vkEnumerateInstanceExtensionProperties( - NULL, &instance_extension_count, instance_extensions); - assert(!err); - for (i = 0; i < instance_extension_count; i++) { - if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME, - instance_extensions[i].extensionName)) { - if (demo->validate) { - demo->extension_names[demo->enabled_extension_count++] = - VK_EXT_DEBUG_REPORT_EXTENSION_NAME; - } - } - assert(demo->enabled_extension_count < 64); - } - - free(instance_extensions); - } - - const VkApplicationInfo app = { - .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, - .pNext = NULL, - .pApplicationName = APP_SHORT_NAME, - .applicationVersion = 0, - .pEngineName = APP_SHORT_NAME, - .engineVersion = 0, - .apiVersion = VK_API_VERSION_1_0, - }; - VkInstanceCreateInfo inst_info = { - .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, - .pNext = NULL, - .pApplicationInfo = &app, - .enabledLayerCount = demo->enabled_layer_count, - .ppEnabledLayerNames = (const char *const *)instance_validation_layers, - .enabledExtensionCount = demo->enabled_extension_count, - .ppEnabledExtensionNames = (const char *const *)demo->extension_names, - }; - - uint32_t gpu_count; - - err = vkCreateInstance(&inst_info, NULL, &demo->inst); - if (err == VK_ERROR_INCOMPATIBLE_DRIVER) { - ERR_EXIT("Cannot find a compatible Vulkan installable client driver " - "(ICD).\n\nPlease look at the Getting Started guide for " - "additional information.\n", - "vkCreateInstance Failure"); - } else if (err == VK_ERROR_EXTENSION_NOT_PRESENT) { - ERR_EXIT("Cannot find a specified extension library" - ".\nMake sure your layers path is set appropriately\n", - "vkCreateInstance Failure"); - } else if (err) { - ERR_EXIT("vkCreateInstance failed.\n\nDo you have a compatible Vulkan " - "installable client driver (ICD) installed?\nPlease look at " - "the Getting Started guide for additional information.\n", - "vkCreateInstance Failure"); - } - - gladLoadVulkanUserPtr(NULL, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, demo->inst); - - /* Make initial call to query gpu_count, then second call for gpu info*/ - err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, NULL); - assert(!err && gpu_count > 0); - - if (gpu_count > 0) { - VkPhysicalDevice *physical_devices = - malloc(sizeof(VkPhysicalDevice) * gpu_count); - err = vkEnumeratePhysicalDevices(demo->inst, &gpu_count, - physical_devices); - assert(!err); - /* For tri demo we just grab the first physical device */ - demo->gpu = physical_devices[0]; - free(physical_devices); - } else { - ERR_EXIT("vkEnumeratePhysicalDevices reported zero accessible devices." - "\n\nDo you have a compatible Vulkan installable client" - " driver (ICD) installed?\nPlease look at the Getting Started" - " guide for additional information.\n", - "vkEnumeratePhysicalDevices Failure"); - } - - gladLoadVulkanUserPtr(demo->gpu, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, demo->inst); - - /* Look for device extensions */ - uint32_t device_extension_count = 0; - VkBool32 swapchainExtFound = 0; - demo->enabled_extension_count = 0; - - err = vkEnumerateDeviceExtensionProperties(demo->gpu, NULL, - &device_extension_count, NULL); - assert(!err); - - if (device_extension_count > 0) { - VkExtensionProperties *device_extensions = - malloc(sizeof(VkExtensionProperties) * device_extension_count); - err = vkEnumerateDeviceExtensionProperties( - demo->gpu, NULL, &device_extension_count, device_extensions); - assert(!err); - - for (i = 0; i < device_extension_count; i++) { - if (!strcmp(VK_KHR_SWAPCHAIN_EXTENSION_NAME, - device_extensions[i].extensionName)) { - swapchainExtFound = 1; - demo->extension_names[demo->enabled_extension_count++] = - VK_KHR_SWAPCHAIN_EXTENSION_NAME; - } - assert(demo->enabled_extension_count < 64); - } - - free(device_extensions); - } - - if (!swapchainExtFound) { - ERR_EXIT("vkEnumerateDeviceExtensionProperties failed to find " - "the " VK_KHR_SWAPCHAIN_EXTENSION_NAME - " extension.\n\nDo you have a compatible " - "Vulkan installable client driver (ICD) installed?\nPlease " - "look at the Getting Started guide for additional " - "information.\n", - "vkCreateInstance Failure"); - } - - if (demo->validate) { - VkDebugReportCallbackCreateInfoEXT dbgCreateInfo; - dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT; - dbgCreateInfo.flags = - VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT; - dbgCreateInfo.pfnCallback = demo->use_break ? BreakCallback : dbgFunc; - dbgCreateInfo.pUserData = demo; - dbgCreateInfo.pNext = NULL; - err = vkCreateDebugReportCallbackEXT(demo->inst, &dbgCreateInfo, NULL, - &demo->msg_callback); - switch (err) { - case VK_SUCCESS: - break; - case VK_ERROR_OUT_OF_HOST_MEMORY: - ERR_EXIT("CreateDebugReportCallback: out of host memory\n", - "CreateDebugReportCallback Failure"); - break; - default: - ERR_EXIT("CreateDebugReportCallback: unknown failure\n", - "CreateDebugReportCallback Failure"); - break; - } - } - - vkGetPhysicalDeviceProperties(demo->gpu, &demo->gpu_props); - - // Query with NULL data to get count - vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, - NULL); - - demo->queue_props = (VkQueueFamilyProperties *)malloc( - demo->queue_count * sizeof(VkQueueFamilyProperties)); - vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count, - demo->queue_props); - assert(demo->queue_count >= 1); - - vkGetPhysicalDeviceFeatures(demo->gpu, &demo->gpu_features); - - // Graphics queue and MemMgr queue can be separate. - // TODO: Add support for separate queues, including synchronization, - // and appropriate tracking for QueueSubmit -} - -static void demo_init_device(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - - float queue_priorities[1] = {0.0}; - const VkDeviceQueueCreateInfo queue = { - .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, - .pNext = NULL, - .queueFamilyIndex = demo->graphics_queue_node_index, - .queueCount = 1, - .pQueuePriorities = queue_priorities}; - - - VkPhysicalDeviceFeatures features; - memset(&features, 0, sizeof(features)); - if (demo->gpu_features.shaderClipDistance) { - features.shaderClipDistance = VK_TRUE; - } - - VkDeviceCreateInfo device = { - .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, - .pNext = NULL, - .queueCreateInfoCount = 1, - .pQueueCreateInfos = &queue, - .enabledLayerCount = 0, - .ppEnabledLayerNames = NULL, - .enabledExtensionCount = demo->enabled_extension_count, - .ppEnabledExtensionNames = (const char *const *)demo->extension_names, - .pEnabledFeatures = &features, - }; - - err = vkCreateDevice(demo->gpu, &device, NULL, &demo->device); - assert(!err); -} - -static void demo_init_vk_swapchain(struct demo *demo) { - VkResult U_ASSERT_ONLY err; - uint32_t i; - - // Create a WSI surface for the window: - glfwCreateWindowSurface(demo->inst, demo->window, NULL, &demo->surface); - - // Iterate over each queue to learn whether it supports presenting: - VkBool32 *supportsPresent = - (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32)); - for (i = 0; i < demo->queue_count; i++) { - vkGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface, - &supportsPresent[i]); - } - - // Search for a graphics and a present queue in the array of queue - // families, try to find one that supports both - uint32_t graphicsQueueNodeIndex = UINT32_MAX; - uint32_t presentQueueNodeIndex = UINT32_MAX; - for (i = 0; i < demo->queue_count; i++) { - if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) { - if (graphicsQueueNodeIndex == UINT32_MAX) { - graphicsQueueNodeIndex = i; - } - - if (supportsPresent[i] == VK_TRUE) { - graphicsQueueNodeIndex = i; - presentQueueNodeIndex = i; - break; - } - } - } - if (presentQueueNodeIndex == UINT32_MAX) { - // If didn't find a queue that supports both graphics and present, then - // find a separate present queue. - for (i = 0; i < demo->queue_count; ++i) { - if (supportsPresent[i] == VK_TRUE) { - presentQueueNodeIndex = i; - break; - } - } - } - free(supportsPresent); - - // Generate error if could not find both a graphics and a present queue - if (graphicsQueueNodeIndex == UINT32_MAX || - presentQueueNodeIndex == UINT32_MAX) { - ERR_EXIT("Could not find a graphics and a present queue\n", - "Swapchain Initialization Failure"); - } - - // TODO: Add support for separate queues, including presentation, - // synchronization, and appropriate tracking for QueueSubmit. - // NOTE: While it is possible for an application to use a separate graphics - // and a present queues, this demo program assumes it is only using - // one: - if (graphicsQueueNodeIndex != presentQueueNodeIndex) { - ERR_EXIT("Could not find a common graphics and a present queue\n", - "Swapchain Initialization Failure"); - } - - demo->graphics_queue_node_index = graphicsQueueNodeIndex; - - demo_init_device(demo); - - vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, 0, - &demo->queue); - - // Get the list of VkFormat's that are supported: - uint32_t formatCount; - err = vkGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface, - &formatCount, NULL); - assert(!err); - VkSurfaceFormatKHR *surfFormats = - (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR)); - err = vkGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface, - &formatCount, surfFormats); - assert(!err); - // If the format list includes just one entry of VK_FORMAT_UNDEFINED, - // the surface has no preferred format. Otherwise, at least one - // supported format will be returned. - if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) { - demo->format = VK_FORMAT_B8G8R8A8_UNORM; - } else { - assert(formatCount >= 1); - demo->format = surfFormats[0].format; - } - demo->color_space = surfFormats[0].colorSpace; - - demo->curFrame = 0; - - // Get Memory information and properties - vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties); -} - -static void demo_init_connection(struct demo *demo) { - glfwSetErrorCallback(demo_error_callback); - - if (!glfwInit()) { - printf("Cannot initialize GLFW.\nExiting ...\n"); - fflush(stdout); - exit(1); - } - - if (!glfwVulkanSupported()) { - printf("GLFW failed to find the Vulkan loader.\nExiting ...\n"); - fflush(stdout); - exit(1); - } - - gladLoadVulkanUserPtr(NULL, (GLADuserptrloadfunc) glfwGetInstanceProcAddress, NULL); -} - -static void demo_init(struct demo *demo, const int argc, const char *argv[]) -{ - int i; - memset(demo, 0, sizeof(*demo)); - demo->frameCount = INT32_MAX; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "--use_staging") == 0) { - demo->use_staging_buffer = true; - continue; - } - if (strcmp(argv[i], "--break") == 0) { - demo->use_break = true; - continue; - } - if (strcmp(argv[i], "--validate") == 0) { - demo->validate = true; - continue; - } - if (strcmp(argv[i], "--c") == 0 && demo->frameCount == INT32_MAX && - i < argc - 1 && sscanf(argv[i + 1], "%d", &demo->frameCount) == 1 && - demo->frameCount >= 0) { - i++; - continue; - } - - fprintf(stderr, "Usage:\n %s [--use_staging] [--validate] [--break] " - "[--c <framecount>]\n", - APP_SHORT_NAME); - fflush(stderr); - exit(1); - } - - demo_init_connection(demo); - demo_init_vk(demo); - - demo->width = 300; - demo->height = 300; - demo->depthStencil = 1.0; - demo->depthIncrement = -0.01f; -} - -static void demo_cleanup(struct demo *demo) { - uint32_t i; - - for (i = 0; i < demo->swapchainImageCount; i++) { - vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL); - } - free(demo->framebuffers); - vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL); - - if (demo->setup_cmd) { - vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd); - } - vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd); - vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL); - - vkDestroyPipeline(demo->device, demo->pipeline, NULL); - vkDestroyRenderPass(demo->device, demo->render_pass, NULL); - vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL); - vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL); - - vkDestroyBuffer(demo->device, demo->vertices.buf, NULL); - vkFreeMemory(demo->device, demo->vertices.mem, NULL); - - for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { - vkDestroyImageView(demo->device, demo->textures[i].view, NULL); - vkDestroyImage(demo->device, demo->textures[i].image, NULL); - vkFreeMemory(demo->device, demo->textures[i].mem, NULL); - vkDestroySampler(demo->device, demo->textures[i].sampler, NULL); - } - - for (i = 0; i < demo->swapchainImageCount; i++) { - vkDestroyImageView(demo->device, demo->buffers[i].view, NULL); - } - - vkDestroyImageView(demo->device, demo->depth.view, NULL); - vkDestroyImage(demo->device, demo->depth.image, NULL); - vkFreeMemory(demo->device, demo->depth.mem, NULL); - - vkDestroySwapchainKHR(demo->device, demo->swapchain, NULL); - free(demo->buffers); - - vkDestroyDevice(demo->device, NULL); - if (demo->validate) { - vkDestroyDebugReportCallbackEXT(demo->inst, demo->msg_callback, NULL); - } - vkDestroySurfaceKHR(demo->inst, demo->surface, NULL); - vkDestroyInstance(demo->inst, NULL); - - free(demo->queue_props); - - glfwDestroyWindow(demo->window); - glfwTerminate(); -} - -static void demo_resize(struct demo *demo) { - uint32_t i; - - // In order to properly resize the window, we must re-create the swapchain - // AND redo the command buffers, etc. - // - // First, perform part of the demo_cleanup() function: - - for (i = 0; i < demo->swapchainImageCount; i++) { - vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL); - } - free(demo->framebuffers); - vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL); - - if (demo->setup_cmd) { - vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->setup_cmd); - demo->setup_cmd = VK_NULL_HANDLE; - } - vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, &demo->draw_cmd); - vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL); - - vkDestroyPipeline(demo->device, demo->pipeline, NULL); - vkDestroyRenderPass(demo->device, demo->render_pass, NULL); - vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL); - vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, NULL); - - vkDestroyBuffer(demo->device, demo->vertices.buf, NULL); - vkFreeMemory(demo->device, demo->vertices.mem, NULL); - - for (i = 0; i < DEMO_TEXTURE_COUNT; i++) { - vkDestroyImageView(demo->device, demo->textures[i].view, NULL); - vkDestroyImage(demo->device, demo->textures[i].image, NULL); - vkFreeMemory(demo->device, demo->textures[i].mem, NULL); - vkDestroySampler(demo->device, demo->textures[i].sampler, NULL); - } - - for (i = 0; i < demo->swapchainImageCount; i++) { - vkDestroyImageView(demo->device, demo->buffers[i].view, NULL); - } - - vkDestroyImageView(demo->device, demo->depth.view, NULL); - vkDestroyImage(demo->device, demo->depth.image, NULL); - vkFreeMemory(demo->device, demo->depth.mem, NULL); - - free(demo->buffers); - - // Second, re-perform the demo_prepare() function, which will re-create the - // swapchain: - demo_prepare(demo); -} - -int main(const int argc, const char *argv[]) { - struct demo demo; - - demo_init(&demo, argc, argv); - demo_create_window(&demo); - demo_init_vk_swapchain(&demo); - - demo_prepare(&demo); - demo_run(&demo); - - demo_cleanup(&demo); - - return validation_error; -} - |