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- /*
- * Copyright (c) 2015-2016 The Khronos Group Inc.
- * Copyright (c) 2015-2016 Valve Corporation
- * Copyright (c) 2015-2016 LunarG, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and/or associated documentation files (the "Materials"), to
- * deal in the Materials without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Materials, and to permit persons to whom the Materials are
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice(s) and this permission notice shall be included in
- * all copies or substantial portions of the Materials.
- *
- * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- *
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
- * USE OR OTHER DEALINGS IN THE MATERIALS.
- *
- * Author: Chia-I Wu <olv@lunarg.com>
- * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
- * Author: Ian Elliott <ian@LunarG.com>
- * Author: Jon Ashburn <jon@lunarg.com>
- */
- #define _GNU_SOURCE
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <stdbool.h>
- #include <assert.h>
- #include <signal.h>
- #ifdef _WIN32
- #pragma comment(linker, "/subsystem:windows")
- #define APP_NAME_STR_LEN 80
- #endif // _WIN32
- #include <vulkan/vulkan.h>
- #include <vulkan/vk_sdk_platform.h>
- #include "linmath.h"
- #define DEMO_TEXTURE_COUNT 1
- #define APP_SHORT_NAME "cube"
- #define APP_LONG_NAME "The Vulkan Cube Demo Program"
- #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
- #if defined(NDEBUG) && defined(__GNUC__)
- #define U_ASSERT_ONLY __attribute__((unused))
- #else
- #define U_ASSERT_ONLY
- #endif
- #ifdef _WIN32
- #define ERR_EXIT(err_msg, err_class) \
- do { \
- MessageBox(NULL, err_msg, err_class, MB_OK); \
- exit(1); \
- } while (0)
- #else // _WIN32
- #define ERR_EXIT(err_msg, err_class) \
- do { \
- printf(err_msg); \
- fflush(stdout); \
- exit(1); \
- } while (0)
- #endif // _WIN32
- #define GET_INSTANCE_PROC_ADDR(inst, entrypoint) \
- { \
- demo->fp##entrypoint = \
- (PFN_vk##entrypoint)vkGetInstanceProcAddr(inst, "vk" #entrypoint); \
- if (demo->fp##entrypoint == NULL) { \
- ERR_EXIT("vkGetInstanceProcAddr failed to find vk" #entrypoint, \
- "vkGetInstanceProcAddr Failure"); \
- } \
- }
- static PFN_vkGetDeviceProcAddr g_gdpa = NULL;
- #define GET_DEVICE_PROC_ADDR(dev, entrypoint) \
- { \
- if (!g_gdpa) \
- g_gdpa = (PFN_vkGetDeviceProcAddr)vkGetInstanceProcAddr( \
- demo->inst, "vkGetDeviceProcAddr"); \
- demo->fp##entrypoint = \
- (PFN_vk##entrypoint)g_gdpa(dev, "vk" #entrypoint); \
- if (demo->fp##entrypoint == NULL) { \
- ERR_EXIT("vkGetDeviceProcAddr failed to find vk" #entrypoint, \
- "vkGetDeviceProcAddr Failure"); \
- } \
- }
- /*
- * structure to track all objects related to a texture.
- */
- struct texture_object {
- VkSampler sampler;
- VkImage image;
- VkImageLayout imageLayout;
- VkMemoryAllocateInfo mem_alloc;
- VkDeviceMemory mem;
- VkImageView view;
- int32_t tex_width, tex_height;
- };
- static char *tex_files[] = {"lunarg.ppm"};
- struct vkcube_vs_uniform {
- // Must start with MVP
- float mvp[4][4];
- float position[12 * 3][4];
- float color[12 * 3][4];
- };
- struct vktexcube_vs_uniform {
- // Must start with MVP
- float mvp[4][4];
- float position[12 * 3][4];
- float attr[12 * 3][4];
- };
- //--------------------------------------------------------------------------------------
- // Mesh and VertexFormat Data
- //--------------------------------------------------------------------------------------
- // clang-format off
- struct Vertex
- {
- float posX, posY, posZ, posW; // Position data
- float r, g, b, a; // Color
- };
- struct VertexPosTex
- {
- float posX, posY, posZ, posW; // Position data
- float u, v, s, t; // Texcoord
- };
- #define XYZ1(_x_, _y_, _z_) (_x_), (_y_), (_z_), 1.f
- #define UV(_u_, _v_) (_u_), (_v_), 0.f, 1.f
- static const float g_vertex_buffer_data[] = {
- -1.0f,-1.0f,-1.0f, // -X side
- -1.0f,-1.0f, 1.0f,
- -1.0f, 1.0f, 1.0f,
- -1.0f, 1.0f, 1.0f,
- -1.0f, 1.0f,-1.0f,
- -1.0f,-1.0f,-1.0f,
- -1.0f,-1.0f,-1.0f, // -Z side
- 1.0f, 1.0f,-1.0f,
- 1.0f,-1.0f,-1.0f,
- -1.0f,-1.0f,-1.0f,
- -1.0f, 1.0f,-1.0f,
- 1.0f, 1.0f,-1.0f,
- -1.0f,-1.0f,-1.0f, // -Y side
- 1.0f,-1.0f,-1.0f,
- 1.0f,-1.0f, 1.0f,
- -1.0f,-1.0f,-1.0f,
- 1.0f,-1.0f, 1.0f,
- -1.0f,-1.0f, 1.0f,
- -1.0f, 1.0f,-1.0f, // +Y side
- -1.0f, 1.0f, 1.0f,
- 1.0f, 1.0f, 1.0f,
- -1.0f, 1.0f,-1.0f,
- 1.0f, 1.0f, 1.0f,
- 1.0f, 1.0f,-1.0f,
- 1.0f, 1.0f,-1.0f, // +X side
- 1.0f, 1.0f, 1.0f,
- 1.0f,-1.0f, 1.0f,
- 1.0f,-1.0f, 1.0f,
- 1.0f,-1.0f,-1.0f,
- 1.0f, 1.0f,-1.0f,
- -1.0f, 1.0f, 1.0f, // +Z side
- -1.0f,-1.0f, 1.0f,
- 1.0f, 1.0f, 1.0f,
- -1.0f,-1.0f, 1.0f,
- 1.0f,-1.0f, 1.0f,
- 1.0f, 1.0f, 1.0f,
- };
- static const float g_uv_buffer_data[] = {
- 0.0f, 0.0f, // -X side
- 1.0f, 0.0f,
- 1.0f, 1.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f, // -Z side
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f,
- 1.0f, 1.0f, // -Y side
- 1.0f, 0.0f,
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 0.0f,
- 0.0f, 1.0f,
- 1.0f, 1.0f, // +Y side
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f, // +X side
- 0.0f, 1.0f,
- 0.0f, 0.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 1.0f, // +Z side
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 0.0f,
- 1.0f, 1.0f,
- };
- // clang-format on
- void dumpMatrix(const char *note, mat4x4 MVP) {
- int i;
- printf("%s: \n", note);
- for (i = 0; i < 4; i++) {
- printf("%f, %f, %f, %f\n", MVP[i][0], MVP[i][1], MVP[i][2], MVP[i][3]);
- }
- printf("\n");
- fflush(stdout);
- }
- void dumpVec4(const char *note, vec4 vector) {
- printf("%s: \n", note);
- printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]);
- printf("\n");
- fflush(stdout);
- }
- 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);
- 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) {
- // We know that we're submitting queues without fences, ignore this
- // warning
- if (strstr(pMsg,
- "vkQueueSubmit parameter, VkFence fence, is null pointer")) {
- return false;
- }
- sprintf(message, "WARNING: [%s] Code %d : %s", pLayerPrefix, msgCode,
- pMsg);
- } else {
- return false;
- }
- #ifdef _WIN32
- MessageBox(NULL, message, "Alert", MB_OK);
- #else
- printf("%s\n", message);
- fflush(stdout);
- #endif
- free(message);
- /*
- * false indicates that layer should not bail-out of an
- * API call that had validation failures. This may mean that the
- * app dies inside the driver due to invalid parameter(s).
- * That's what would happen without validation layers, so we'll
- * keep that behavior here.
- */
- return false;
- }
- VkBool32 BreakCallback(VkFlags msgFlags, VkDebugReportObjectTypeEXT objType,
- uint64_t srcObject, size_t location, int32_t msgCode,
- const char *pLayerPrefix, const char *pMsg,
- void *pUserData) {
- #ifndef WIN32
- raise(SIGTRAP);
- #else
- DebugBreak();
- #endif
- return false;
- }
- typedef struct _SwapchainBuffers {
- VkImage image;
- VkCommandBuffer cmd;
- VkImageView view;
- } SwapchainBuffers;
- struct demo {
- #ifdef _WIN32
- #define APP_NAME_STR_LEN 80
- HINSTANCE connection; // hInstance - Windows Instance
- char name[APP_NAME_STR_LEN]; // Name to put on the window/icon
- HWND window; // hWnd - window handle
- #else // _WIN32
- xcb_connection_t *connection;
- xcb_screen_t *screen;
- xcb_window_t window;
- xcb_intern_atom_reply_t *atom_wm_delete_window;
- #endif // _WIN32
- VkSurfaceKHR surface;
- bool prepared;
- bool use_staging_buffer;
- VkInstance inst;
- VkPhysicalDevice gpu;
- VkDevice device;
- VkQueue queue;
- uint32_t graphics_queue_node_index;
- VkPhysicalDeviceProperties gpu_props;
- VkQueueFamilyProperties *queue_props;
- VkPhysicalDeviceMemoryProperties memory_properties;
- uint32_t enabled_extension_count;
- uint32_t enabled_layer_count;
- char *extension_names[64];
- char *device_validation_layers[64];
- int width, height;
- VkFormat format;
- VkColorSpaceKHR color_space;
- PFN_vkGetPhysicalDeviceSurfaceSupportKHR
- fpGetPhysicalDeviceSurfaceSupportKHR;
- PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR
- fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
- PFN_vkGetPhysicalDeviceSurfaceFormatsKHR
- fpGetPhysicalDeviceSurfaceFormatsKHR;
- PFN_vkGetPhysicalDeviceSurfacePresentModesKHR
- fpGetPhysicalDeviceSurfacePresentModesKHR;
- PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
- PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
- PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
- PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR;
- PFN_vkQueuePresentKHR fpQueuePresentKHR;
- uint32_t swapchainImageCount;
- VkSwapchainKHR swapchain;
- SwapchainBuffers *buffers;
- VkCommandPool cmd_pool;
- struct {
- VkFormat format;
- VkImage image;
- VkMemoryAllocateInfo mem_alloc;
- VkDeviceMemory mem;
- VkImageView view;
- } depth;
- struct texture_object textures[DEMO_TEXTURE_COUNT];
- struct {
- VkBuffer buf;
- VkMemoryAllocateInfo mem_alloc;
- VkDeviceMemory mem;
- VkDescriptorBufferInfo buffer_info;
- } uniform_data;
- VkCommandBuffer cmd; // Buffer for initialization commands
- VkPipelineLayout pipeline_layout;
- VkDescriptorSetLayout desc_layout;
- VkPipelineCache pipelineCache;
- VkRenderPass render_pass;
- VkPipeline pipeline;
- mat4x4 projection_matrix;
- mat4x4 view_matrix;
- mat4x4 model_matrix;
- float spin_angle;
- float spin_increment;
- bool pause;
- VkShaderModule vert_shader_module;
- VkShaderModule frag_shader_module;
- VkDescriptorPool desc_pool;
- VkDescriptorSet desc_set;
- VkFramebuffer *framebuffers;
- bool quit;
- int32_t curFrame;
- int32_t frameCount;
- bool validate;
- bool use_break;
- PFN_vkCreateDebugReportCallbackEXT CreateDebugReportCallback;
- PFN_vkDestroyDebugReportCallbackEXT DestroyDebugReportCallback;
- VkDebugReportCallbackEXT msg_callback;
- PFN_vkDebugReportMessageEXT DebugReportMessage;
- uint32_t current_buffer;
- uint32_t queue_count;
- };
- // Forward declaration:
- static void demo_resize(struct demo *demo);
- static bool memory_type_from_properties(struct demo *demo, uint32_t typeBits,
- VkFlags requirements_mask,
- uint32_t *typeIndex) {
- // Search memtypes to find first index with those properties
- for (uint32_t i = 0; i < 32; i++) {
- if ((typeBits & 1) == 1) {
- // Type is available, does it match user properties?
- if ((demo->memory_properties.memoryTypes[i].propertyFlags &
- requirements_mask) == requirements_mask) {
- *typeIndex = i;
- return true;
- }
- }
- typeBits >>= 1;
- }
- // No memory types matched, return failure
- return false;
- }
- static void demo_flush_init_cmd(struct demo *demo) {
- VkResult U_ASSERT_ONLY err;
- if (demo->cmd == VK_NULL_HANDLE)
- return;
- err = vkEndCommandBuffer(demo->cmd);
- assert(!err);
- const VkCommandBuffer cmd_bufs[] = {demo->cmd};
- VkFence nullFence = VK_NULL_HANDLE;
- VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
- .pNext = NULL,
- .waitSemaphoreCount = 0,
- .pWaitSemaphores = NULL,
- .pWaitDstStageMask = NULL,
- .commandBufferCount = 1,
- .pCommandBuffers = cmd_bufs,
- .signalSemaphoreCount = 0,
- .pSignalSemaphores = NULL};
- 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->cmd = VK_NULL_HANDLE;
- }
- static void demo_set_image_layout(struct demo *demo, VkImage image,
- VkImageAspectFlags aspectMask,
- VkImageLayout old_image_layout,
- VkImageLayout new_image_layout) {
- VkResult U_ASSERT_ONLY err;
- if (demo->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->cmd);
- assert(!err);
- VkCommandBufferInheritanceInfo cmd_buf_hinfo = {
- .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
- .pNext = NULL,
- .renderPass = VK_NULL_HANDLE,
- .subpass = 0,
- .framebuffer = VK_NULL_HANDLE,
- .occlusionQueryEnable = VK_FALSE,
- .queryFlags = 0,
- .pipelineStatistics = 0,
- };
- VkCommandBufferBeginInfo cmd_buf_info = {
- .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
- .pNext = NULL,
- .flags = 0,
- .pInheritanceInfo = &cmd_buf_hinfo,
- };
- err = vkBeginCommandBuffer(demo->cmd, &cmd_buf_info);
- assert(!err);
- }
- VkImageMemoryBarrier image_memory_barrier = {
- .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
- .pNext = NULL,
- .srcAccessMask = 0,
- .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->cmd, src_stages, dest_stages, 0, 0, NULL, 0,
- NULL, 1, pmemory_barrier);
- }
- static void demo_draw_build_cmd(struct demo *demo, VkCommandBuffer cmd_buf) {
- VkCommandBufferInheritanceInfo cmd_buf_hinfo = {
- .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
- .pNext = NULL,
- .renderPass = VK_NULL_HANDLE,
- .subpass = 0,
- .framebuffer = VK_NULL_HANDLE,
- .occlusionQueryEnable = VK_FALSE,
- .queryFlags = 0,
- .pipelineStatistics = 0,
- };
- const VkCommandBufferBeginInfo cmd_buf_info = {
- .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
- .pNext = NULL,
- .flags = 0,
- .pInheritanceInfo = &cmd_buf_hinfo,
- };
- const VkClearValue clear_values[2] = {
- [0] = {.color.float32 = {0.2f, 0.2f, 0.2f, 0.2f}},
- [1] = {.depthStencil = {1.0f, 0}},
- };
- 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(cmd_buf, &cmd_buf_info);
- assert(!err);
- vkCmdBeginRenderPass(cmd_buf, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
- vkCmdBindPipeline(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, demo->pipeline);
- vkCmdBindDescriptorSets(cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS,
- demo->pipeline_layout, 0, 1, &demo->desc_set, 0,
- NULL);
- 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(cmd_buf, 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(cmd_buf, 0, 1, &scissor);
- vkCmdDraw(cmd_buf, 12 * 3, 1, 0, 0);
- vkCmdEndRenderPass(cmd_buf);
- 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(cmd_buf, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
- VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0,
- NULL, 1, pmemory_barrier);
- err = vkEndCommandBuffer(cmd_buf);
- assert(!err);
- }
- void demo_update_data_buffer(struct demo *demo) {
- mat4x4 MVP, Model, VP;
- int matrixSize = sizeof(MVP);
- uint8_t *pData;
- VkResult U_ASSERT_ONLY err;
- mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
- // Rotate 22.5 degrees around the Y axis
- mat4x4_dup(Model, demo->model_matrix);
- mat4x4_rotate(demo->model_matrix, Model, 0.0f, 1.0f, 0.0f,
- (float)degreesToRadians(demo->spin_angle));
- mat4x4_mul(MVP, VP, demo->model_matrix);
- err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
- demo->uniform_data.mem_alloc.allocationSize, 0,
- (void **)&pData);
- assert(!err);
- memcpy(pData, (const void *)&MVP[0][0], matrixSize);
- vkUnmapMemory(demo->device, demo->uniform_data.mem);
- }
- static void demo_draw(struct demo *demo) {
- VkResult U_ASSERT_ONLY err;
- VkSemaphore presentCompleteSemaphore;
- VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo = {
- .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
- .pNext = NULL,
- .flags = 0,
- };
- VkFence nullFence = VK_NULL_HANDLE;
- err = vkCreateSemaphore(demo->device, &presentCompleteSemaphoreCreateInfo,
- NULL, &presentCompleteSemaphore);
- assert(!err);
- // Get the index of the next available swapchain image:
- err = demo->fpAcquireNextImageKHR(demo->device, demo->swapchain, UINT64_MAX,
- presentCompleteSemaphore,
- (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, presentCompleteSemaphore, NULL);
- return;
- } else if (err == VK_SUBOPTIMAL_KHR) {
- // demo->swapchain is not as optimal as it could be, but the platform's
- // presentation engine will still present the image correctly.
- } else {
- assert(!err);
- }
- // Assume the command buffer has been run on current_buffer before so
- // we need to set the image layout back to COLOR_ATTACHMENT_OPTIMAL
- demo_set_image_layout(demo, demo->buffers[demo->current_buffer].image,
- VK_IMAGE_ASPECT_COLOR_BIT,
- VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
- VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
- demo_flush_init_cmd(demo);
- // Wait for the present complete semaphore to be signaled to ensure
- // that the image won't be rendered to until the presentation
- // engine has fully released ownership to the application, and it is
- // okay to render to the image.
- // FIXME/TODO: DEAL WITH VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
- VkPipelineStageFlags pipe_stage_flags =
- VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
- VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
- .pNext = NULL,
- .waitSemaphoreCount = 0,
- .pWaitSemaphores = NULL,
- .pWaitDstStageMask = &pipe_stage_flags,
- .commandBufferCount = 1,
- .pCommandBuffers =
- &demo->buffers[demo->current_buffer].cmd,
- .signalSemaphoreCount = 0,
- .pSignalSemaphores = NULL};
- err = vkQueueSubmit(demo->queue, 1, &submit_info, nullFence);
- assert(!err);
- VkPresentInfoKHR present = {
- .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
- .pNext = NULL,
- .swapchainCount = 1,
- .pSwapchains = &demo->swapchain,
- .pImageIndices = &demo->current_buffer,
- };
- // TBD/TODO: SHOULD THE "present" PARAMETER BE "const" IN THE HEADER?
- err = demo->fpQueuePresentKHR(demo->queue, &present);
- if (err == VK_ERROR_OUT_OF_DATE_KHR) {
- // demo->swapchain is out of date (e.g. the window was resized) and
- // must be recreated:
- demo_resize(demo);
- } else if (err == VK_SUBOPTIMAL_KHR) {
- // demo->swapchain is not as optimal as it could be, but the platform's
- // presentation engine will still present the image correctly.
- } else {
- assert(!err);
- }
- err = vkQueueWaitIdle(demo->queue);
- assert(err == VK_SUCCESS);
- vkDestroySemaphore(demo->device, presentCompleteSemaphore, NULL);
- }
- static void demo_prepare_buffers(struct demo *demo) {
- VkResult U_ASSERT_ONLY err;
- VkSwapchainKHR oldSwapchain = demo->swapchain;
- // Check the surface capabilities and formats
- VkSurfaceCapabilitiesKHR surfCapabilities;
- err = demo->fpGetPhysicalDeviceSurfaceCapabilitiesKHR(
- demo->gpu, demo->surface, &surfCapabilities);
- assert(!err);
- uint32_t presentModeCount;
- err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
- demo->gpu, demo->surface, &presentModeCount, NULL);
- assert(!err);
- VkPresentModeKHR *presentModes =
- (VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
- assert(presentModes);
- err = demo->fpGetPhysicalDeviceSurfacePresentModesKHR(
- demo->gpu, demo->surface, &presentModeCount, presentModes);
- assert(!err);
- VkExtent2D swapchainExtent;
- // width and height are either both -1, or both not -1.
- if (surfCapabilities.currentExtent.width == (uint32_t)-1) {
- // If the surface size is undefined, the size is set to
- // the size of the images requested.
- swapchainExtent.width = demo->width;
- swapchainExtent.height = demo->height;
- } else {
- // 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;
- }
- // If mailbox mode is available, use it, as is the lowest-latency non-
- // tearing mode. If not, try IMMEDIATE which will usually be available,
- // and is fastest (though it tears). If not, fall back to FIFO which is
- // always available.
- VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
- for (size_t i = 0; i < presentModeCount; i++) {
- if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) {
- swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
- break;
- }
- if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) &&
- (presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)) {
- swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
- }
- }
- // Determine the number of VkImage's to use in the swap chain (we desire to
- // own only 1 image at a time, besides the images being displayed and
- // queued for display):
- uint32_t desiredNumberOfSwapchainImages =
- surfCapabilities.minImageCount + 1;
- if ((surfCapabilities.maxImageCount > 0) &&
- (desiredNumberOfSwapchainImages > surfCapabilities.maxImageCount)) {
- // Application must settle for fewer images than desired:
- desiredNumberOfSwapchainImages = surfCapabilities.maxImageCount;
- }
- VkSurfaceTransformFlagsKHR preTransform;
- if (surfCapabilities.supportedTransforms &
- VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
- 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 = desiredNumberOfSwapchainImages,
- .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 = demo->fpCreateSwapchainKHR(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) {
- demo->fpDestroySwapchainKHR(demo->device, oldSwapchain, NULL);
- }
- err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
- &demo->swapchainImageCount, NULL);
- assert(!err);
- VkImage *swapchainImages =
- (VkImage *)malloc(demo->swapchainImageCount * sizeof(VkImage));
- assert(swapchainImages);
- err = demo->fpGetSwapchainImagesKHR(demo->device, demo->swapchain,
- &demo->swapchainImageCount,
- swapchainImages);
- assert(!err);
- demo->buffers = (SwapchainBuffers *)malloc(sizeof(SwapchainBuffers) *
- demo->swapchainImageCount);
- assert(demo->buffers);
- for (i = 0; i < demo->swapchainImageCount; i++) {
- VkImageViewCreateInfo color_image_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];
- // Render loop will expect image to have been used before and in
- // VK_IMAGE_LAYOUT_PRESENT_SRC_KHR
- // layout and will change to COLOR_ATTACHMENT_OPTIMAL, so init the image
- // to that state
- demo_set_image_layout(
- demo, demo->buffers[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
- VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
- color_image_view.image = demo->buffers[i].image;
- err = vkCreateImageView(demo->device, &color_image_view, NULL,
- &demo->buffers[i].view);
- assert(!err);
- }
- if (NULL != presentModes) {
- free(presentModes);
- }
- }
- static void demo_prepare_depth(struct demo *demo) {
- const VkFormat depth_format = VK_FORMAT_D24_UNORM_S8_UINT;
- 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,
- };
- 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);
- vkGetImageMemoryRequirements(demo->device, demo->depth.image, &mem_reqs);
- assert(!err);
- demo->depth.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
- demo->depth.mem_alloc.pNext = NULL;
- demo->depth.mem_alloc.allocationSize = mem_reqs.size;
- demo->depth.mem_alloc.memoryTypeIndex = 0;
- pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
- 0, /* No requirements */
- &demo->depth.mem_alloc.memoryTypeIndex);
- assert(pass);
- /* allocate memory */
- err = vkAllocateMemory(demo->device, &demo->depth.mem_alloc, NULL,
- &demo->depth.mem);
- assert(!err);
- /* bind memory */
- err =
- vkBindImageMemory(demo->device, demo->depth.image, demo->depth.mem, 0);
- assert(!err);
- demo_set_image_layout(demo, demo->depth.image, VK_IMAGE_ASPECT_DEPTH_BIT,
- VK_IMAGE_LAYOUT_UNDEFINED,
- VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
- /* create image view */
- view.image = demo->depth.image;
- err = vkCreateImageView(demo->device, &view, NULL, &demo->depth.view);
- assert(!err);
- }
- /* Load a ppm file into memory */
- bool loadTexture(const char *filename, uint8_t *rgba_data,
- VkSubresourceLayout *layout, int32_t *width, int32_t *height) {
- FILE *fPtr = fopen(filename, "rb");
- char header[256], *cPtr, *tmp;
- if (!fPtr)
- return false;
- cPtr = fgets(header, 256, fPtr); // P6
- if (cPtr == NULL || strncmp(header, "P6\n", 3)) {
- fclose(fPtr);
- return false;
- }
- do {
- cPtr = fgets(header, 256, fPtr);
- if (cPtr == NULL) {
- fclose(fPtr);
- return false;
- }
- } while (!strncmp(header, "#", 1));
- sscanf(header, "%u %u", height, width);
- if (rgba_data == NULL) {
- fclose(fPtr);
- return true;
- }
- tmp = fgets(header, 256, fPtr); // Format
- (void)tmp;
- if (cPtr == NULL || strncmp(header, "255\n", 3)) {
- fclose(fPtr);
- return false;
- }
- for (int y = 0; y < *height; y++) {
- uint8_t *rowPtr = rgba_data;
- for (int x = 0; x < *width; x++) {
- size_t s = fread(rowPtr, 3, 1, fPtr);
- (void)s;
- rowPtr[3] = 255; /* Alpha of 1 */
- rowPtr += 4;
- }
- rgba_data += layout->rowPitch;
- }
- fclose(fPtr);
- return true;
- }
- static void demo_prepare_texture_image(struct demo *demo, const char *filename,
- struct texture_object *tex_obj,
- VkImageTiling tiling,
- VkImageUsageFlags usage,
- VkFlags required_props) {
- const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
- int32_t tex_width;
- int32_t tex_height;
- VkResult U_ASSERT_ONLY err;
- bool U_ASSERT_ONLY pass;
- if (!loadTexture(filename, NULL, NULL, &tex_width, &tex_height)) {
- printf("Failed to load textures\n");
- fflush(stdout);
- exit(1);
- }
- 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,
- };
- VkMemoryRequirements mem_reqs;
- err =
- vkCreateImage(demo->device, &image_create_info, NULL, &tex_obj->image);
- assert(!err);
- vkGetImageMemoryRequirements(demo->device, tex_obj->image, &mem_reqs);
- tex_obj->mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
- tex_obj->mem_alloc.pNext = NULL;
- tex_obj->mem_alloc.allocationSize = mem_reqs.size;
- tex_obj->mem_alloc.memoryTypeIndex = 0;
- pass = memory_type_from_properties(demo, mem_reqs.memoryTypeBits,
- required_props,
- &tex_obj->mem_alloc.memoryTypeIndex);
- assert(pass);
- /* allocate memory */
- err = vkAllocateMemory(demo->device, &tex_obj->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;
- vkGetImageSubresourceLayout(demo->device, tex_obj->image, &subres,
- &layout);
- err = vkMapMemory(demo->device, tex_obj->mem, 0,
- tex_obj->mem_alloc.allocationSize, 0, &data);
- assert(!err);
- if (!loadTexture(filename, data, &layout, &tex_width, &tex_height)) {
- fprintf(stderr, "Error loading texture: %s\n", filename);
- }
- vkUnmapMemory(demo->device, tex_obj->mem);
- }
- tex_obj->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
- demo_set_image_layout(demo, tex_obj->image, VK_IMAGE_ASPECT_COLOR_BIT,
- VK_IMAGE_LAYOUT_UNDEFINED, tex_obj->imageLayout);
- /* setting the image layout does not reference the actual memory so no need
- * to add a mem ref */
- }
- static void demo_destroy_texture_image(struct demo *demo,
- struct texture_object *tex_objs) {
- /* clean up staging resources */
- vkFreeMemory(demo->device, tex_objs->mem, NULL);
- vkDestroyImage(demo->device, tex_objs->image, NULL);
- }
- static void demo_prepare_textures(struct demo *demo) {
- const VkFormat tex_format = VK_FORMAT_R8G8B8A8_UNORM;
- VkFormatProperties props;
- uint32_t i;
- vkGetPhysicalDeviceFormatProperties(demo->gpu, tex_format, &props);
- for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
- VkResult U_ASSERT_ONLY err;
- if (0 && (props.linearTilingFeatures &
- VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
- !demo->use_staging_buffer) {
- /* Device can texture using linear textures */
- demo_prepare_texture_image(demo, tex_files[i], &demo->textures[i],
- VK_IMAGE_TILING_LINEAR,
- VK_IMAGE_USAGE_SAMPLED_BIT,
- VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
- } else if (props.optimalTilingFeatures &
- VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) {
- /* Must use staging buffer to copy linear texture to optimized */
- struct texture_object staging_texture;
- memset(&staging_texture, 0, sizeof(staging_texture));
- demo_prepare_texture_image(demo, tex_files[i], &staging_texture,
- VK_IMAGE_TILING_LINEAR,
- VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
- VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
- demo_prepare_texture_image(
- demo, tex_files[i], &demo->textures[i], VK_IMAGE_TILING_OPTIMAL,
- (VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT),
- VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
- demo_set_image_layout(demo, staging_texture.image,
- VK_IMAGE_ASPECT_COLOR_BIT,
- staging_texture.imageLayout,
- VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
- demo_set_image_layout(demo, demo->textures[i].image,
- VK_IMAGE_ASPECT_COLOR_BIT,
- demo->textures[i].imageLayout,
- VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
- VkImageCopy copy_region = {
- .srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
- .srcOffset = {0, 0, 0},
- .dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
- .dstOffset = {0, 0, 0},
- .extent = {staging_texture.tex_width,
- staging_texture.tex_height, 1},
- };
- vkCmdCopyImage(
- demo->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);
- demo_flush_init_cmd(demo);
- demo_destroy_texture_image(demo, &staging_texture);
- } else {
- /* Can't support VK_FORMAT_R8G8B8A8_UNORM !? */
- assert(!"No support for R8G8B8A8_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_CLAMP_TO_EDGE,
- .addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
- .addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
- .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);
- }
- }
- void demo_prepare_cube_data_buffer(struct demo *demo) {
- VkBufferCreateInfo buf_info;
- VkMemoryRequirements mem_reqs;
- uint8_t *pData;
- int i;
- mat4x4 MVP, VP;
- VkResult U_ASSERT_ONLY err;
- bool U_ASSERT_ONLY pass;
- struct vktexcube_vs_uniform data;
- mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
- mat4x4_mul(MVP, VP, demo->model_matrix);
- memcpy(data.mvp, MVP, sizeof(MVP));
- // dumpMatrix("MVP", MVP);
- for (i = 0; i < 12 * 3; i++) {
- data.position[i][0] = g_vertex_buffer_data[i * 3];
- data.position[i][1] = g_vertex_buffer_data[i * 3 + 1];
- data.position[i][2] = g_vertex_buffer_data[i * 3 + 2];
- data.position[i][3] = 1.0f;
- data.attr[i][0] = g_uv_buffer_data[2 * i];
- data.attr[i][1] = g_uv_buffer_data[2 * i + 1];
- data.attr[i][2] = 0;
- data.attr[i][3] = 0;
- }
- memset(&buf_info, 0, sizeof(buf_info));
- buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
- buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
- buf_info.size = sizeof(data);
- err =
- vkCreateBuffer(demo->device, &buf_info, NULL, &demo->uniform_data.buf);
- assert(!err);
- vkGetBufferMemoryRequirements(demo->device, demo->uniform_data.buf,
- &mem_reqs);
- demo->uniform_data.mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
- demo->uniform_data.mem_alloc.pNext = NULL;
- demo->uniform_data.mem_alloc.allocationSize = mem_reqs.size;
- demo->uniform_data.mem_alloc.memoryTypeIndex = 0;
- pass = memory_type_from_properties(
- demo, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
- &demo->uniform_data.mem_alloc.memoryTypeIndex);
- assert(pass);
- err = vkAllocateMemory(demo->device, &demo->uniform_data.mem_alloc, NULL,
- &(demo->uniform_data.mem));
- assert(!err);
- err = vkMapMemory(demo->device, demo->uniform_data.mem, 0,
- demo->uniform_data.mem_alloc.allocationSize, 0,
- (void **)&pData);
- assert(!err);
- memcpy(pData, &data, sizeof data);
- vkUnmapMemory(demo->device, demo->uniform_data.mem);
- err = vkBindBufferMemory(demo->device, demo->uniform_data.buf,
- demo->uniform_data.mem, 0);
- assert(!err);
- demo->uniform_data.buffer_info.buffer = demo->uniform_data.buf;
- demo->uniform_data.buffer_info.offset = 0;
- demo->uniform_data.buffer_info.range = sizeof(data);
- }
- static void demo_prepare_descriptor_layout(struct demo *demo) {
- const VkDescriptorSetLayoutBinding layout_bindings[2] = {
- [0] =
- {
- .binding = 0,
- .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
- .descriptorCount = 1,
- .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
- .pImmutableSamplers = NULL,
- },
- [1] =
- {
- .binding = 1,
- .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
- .descriptorCount = DEMO_TEXTURE_COUNT,
- .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
- .pImmutableSamplers = NULL,
- },
- };
- const VkDescriptorSetLayoutCreateInfo descriptor_layout = {
- .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
- .pNext = NULL,
- .bindingCount = 2,
- .pBindings = layout_bindings,
- };
- 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) {
- VkShaderModule module;
- VkShaderModuleCreateInfo moduleCreateInfo;
- 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;
- }
- char *demo_read_spv(const char *filename, size_t *psize) {
- long int size;
- size_t U_ASSERT_ONLY retval;
- void *shader_code;
- FILE *fp = fopen(filename, "rb");
- if (!fp)
- return NULL;
- fseek(fp, 0L, SEEK_END);
- size = ftell(fp);
- fseek(fp, 0L, SEEK_SET);
- shader_code = malloc(size);
- retval = fread(shader_code, size, 1, fp);
- assert(retval == 1);
- *psize = size;
- fclose(fp);
- return shader_code;
- }
- static VkShaderModule demo_prepare_vs(struct demo *demo) {
- void *vertShaderCode;
- size_t size;
- vertShaderCode = demo_read_spv("cube-vert.spv", &size);
- demo->vert_shader_module =
- demo_prepare_shader_module(demo, vertShaderCode, size);
- free(vertShaderCode);
- return demo->vert_shader_module;
- }
- static VkShaderModule demo_prepare_fs(struct demo *demo) {
- void *fragShaderCode;
- size_t size;
- fragShaderCode = demo_read_spv("cube-frag.spv", &size);
- demo->frag_shader_module =
- demo_prepare_shader_module(demo, fragShaderCode, size);
- free(fragShaderCode);
- 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_RANGE_SIZE];
- 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;
- memset(&vi, 0, sizeof(vi));
- vi.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
- 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_COUNTER_CLOCKWISE;
- rs.depthClampEnable = VK_FALSE;
- rs.rasterizerDiscardEnable = VK_FALSE;
- rs.depthBiasEnable = VK_FALSE;
- memset(&cb, 0, sizeof(cb));
- cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
- VkPipelineColorBlendAttachmentState att_state[1];
- memset(att_state, 0, sizeof(att_state));
- att_state[0].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";
- memset(&pipelineCache, 0, sizeof(pipelineCache));
- pipelineCache.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
- err = vkCreatePipelineCache(demo->device, &pipelineCache, NULL,
- &demo->pipelineCache);
- assert(!err);
- pipeline.pVertexInputState = &vi;
- pipeline.pInputAssemblyState = &ia;
- pipeline.pRasterizationState = &rs;
- pipeline.pColorBlendState = &cb;
- pipeline.pMultisampleState = &ms;
- pipeline.pViewportState = &vp;
- pipeline.pDepthStencilState = &ds;
- pipeline.pStages = shaderStages;
- pipeline.renderPass = demo->render_pass;
- pipeline.pDynamicState = &dynamicState;
- pipeline.renderPass = demo->render_pass;
- err = vkCreateGraphicsPipelines(demo->device, demo->pipelineCache, 1,
- &pipeline, NULL, &demo->pipeline);
- assert(!err);
- vkDestroyShaderModule(demo->device, demo->frag_shader_module, NULL);
- vkDestroyShaderModule(demo->device, demo->vert_shader_module, NULL);
- }
- static void demo_prepare_descriptor_pool(struct demo *demo) {
- const VkDescriptorPoolSize type_counts[2] = {
- [0] =
- {
- .type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
- .descriptorCount = 1,
- },
- [1] =
- {
- .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
- .descriptorCount = DEMO_TEXTURE_COUNT,
- },
- };
- const VkDescriptorPoolCreateInfo descriptor_pool = {
- .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
- .pNext = NULL,
- .maxSets = 1,
- .poolSizeCount = 2,
- .pPoolSizes = type_counts,
- };
- 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) {
- VkResult U_ASSERT_ONLY err;
- 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);
- }
- static void demo_update_sets(struct demo *demo)
- {
- VkDescriptorImageInfo tex_descs[DEMO_TEXTURE_COUNT];
- VkWriteDescriptorSet writes[2];
- VkResult U_ASSERT_ONLY err;
- uint32_t i;
- 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(&writes, 0, sizeof(writes));
- writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
- writes[0].dstSet = demo->desc_set;
- writes[0].descriptorCount = 1;
- writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
- writes[0].pBufferInfo = &demo->uniform_data.buffer_info;
- writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
- writes[1].dstSet = demo->desc_set;
- writes[1].dstBinding = 1;
- writes[1].descriptorCount = DEMO_TEXTURE_COUNT;
- writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
- writes[1].pImageInfo = tex_descs;
- vkUpdateDescriptorSets(demo->device, 2, writes, 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 = 0,
- };
- 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,
- };
- demo_prepare_buffers(demo);
- demo_prepare_depth(demo);
- demo_prepare_textures(demo);
- demo_prepare_cube_data_buffer(demo);
- demo_prepare_descriptor_layout(demo);
- demo_prepare_render_pass(demo);
- demo_prepare_pipeline(demo);
- for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
- err =
- vkAllocateCommandBuffers(demo->device, &cmd, &demo->buffers[i].cmd);
- assert(!err);
- }
- demo_prepare_descriptor_pool(demo);
- demo_prepare_descriptor_set(demo);
- demo_prepare_framebuffers(demo);
- for (uint32_t i = 0; i < demo->swapchainImageCount; i++) {
- demo->current_buffer = i;
- demo_draw_build_cmd(demo, demo->buffers[i].cmd);
- }
- /*
- * Prepare functions above may generate pipeline commands
- * that need to be flushed before beginning the render loop.
- */
- demo_flush_init_cmd(demo);
- demo->current_buffer = 0;
- demo->prepared = true;
- }
- static void demo_cleanup(struct demo *demo) {
- uint32_t i;
- demo->prepared = false;
- for (i = 0; i < demo->swapchainImageCount; i++) {
- vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
- }
- free(demo->framebuffers);
- vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
- vkDestroyPipeline(demo->device, demo->pipeline, NULL);
- vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
- vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
- vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
- vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, 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);
- }
- demo->fpDestroySwapchainKHR(demo->device, demo->swapchain, NULL);
- vkDestroyImageView(demo->device, demo->depth.view, NULL);
- vkDestroyImage(demo->device, demo->depth.image, NULL);
- vkFreeMemory(demo->device, demo->depth.mem, NULL);
- vkDestroyBuffer(demo->device, demo->uniform_data.buf, NULL);
- vkFreeMemory(demo->device, demo->uniform_data.mem, NULL);
- for (i = 0; i < demo->swapchainImageCount; i++) {
- vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
- vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
- &demo->buffers[i].cmd);
- }
- free(demo->buffers);
- free(demo->queue_props);
- vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
- vkDestroyDevice(demo->device, NULL);
- if (demo->validate) {
- demo->DestroyDebugReportCallback(demo->inst, demo->msg_callback, NULL);
- }
- vkDestroySurfaceKHR(demo->inst, demo->surface, NULL);
- vkDestroyInstance(demo->inst, NULL);
- #ifndef _WIN32
- xcb_destroy_window(demo->connection, demo->window);
- xcb_disconnect(demo->connection);
- free(demo->atom_wm_delete_window);
- #endif // _WIN32
- }
- static void demo_resize(struct demo *demo) {
- uint32_t i;
- // Don't react to resize until after first initialization.
- if (!demo->prepared) {
- return;
- }
- // In order to properly resize the window, we must re-create the swapchain
- // AND redo the command buffers, etc.
- //
- // First, perform part of the demo_cleanup() function:
- demo->prepared = false;
- for (i = 0; i < demo->swapchainImageCount; i++) {
- vkDestroyFramebuffer(demo->device, demo->framebuffers[i], NULL);
- }
- free(demo->framebuffers);
- vkDestroyDescriptorPool(demo->device, demo->desc_pool, NULL);
- vkDestroyPipeline(demo->device, demo->pipeline, NULL);
- vkDestroyPipelineCache(demo->device, demo->pipelineCache, NULL);
- vkDestroyRenderPass(demo->device, demo->render_pass, NULL);
- vkDestroyPipelineLayout(demo->device, demo->pipeline_layout, NULL);
- vkDestroyDescriptorSetLayout(demo->device, demo->desc_layout, 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);
- }
- vkDestroyImageView(demo->device, demo->depth.view, NULL);
- vkDestroyImage(demo->device, demo->depth.image, NULL);
- vkFreeMemory(demo->device, demo->depth.mem, NULL);
- vkDestroyBuffer(demo->device, demo->uniform_data.buf, NULL);
- vkFreeMemory(demo->device, demo->uniform_data.mem, NULL);
- for (i = 0; i < demo->swapchainImageCount; i++) {
- vkDestroyImageView(demo->device, demo->buffers[i].view, NULL);
- vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1,
- &demo->buffers[i].cmd);
- }
- vkDestroyCommandPool(demo->device, demo->cmd_pool, NULL);
- free(demo->buffers);
- // Second, re-perform the demo_prepare() function, which will re-create the
- // swapchain:
- demo_prepare(demo);
- }
- // On MS-Windows, make this a global, so it's available to WndProc()
- struct demo demo;
- #ifdef _WIN32
- static void demo_run(struct demo *demo) {
- if (!demo->prepared)
- return;
- // Wait for work to finish before updating MVP.
- vkDeviceWaitIdle(demo->device);
- demo_update_data_buffer(demo);
- demo_update_sets(demo);
- demo_draw(demo);
- // Wait for work to finish before updating MVP.
- vkDeviceWaitIdle(demo->device);
- demo->curFrame++;
- if (demo->frameCount != INT_MAX && demo->curFrame == demo->frameCount) {
- demo->quit = true;
- demo_cleanup(demo);
- ExitProcess(0);
- }
- }
- // MS-Windows event handling function:
- LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
- switch (uMsg) {
- case WM_CLOSE:
- PostQuitMessage(0);
- break;
- case WM_PAINT:
- demo_run(&demo);
- break;
- case WM_SIZE:
- demo.width = lParam & 0xffff;
- demo.height = lParam & 0xffff0000 >> 16;
- demo_resize(&demo);
- break;
- default:
- break;
- }
- return (DefWindowProc(hWnd, uMsg, wParam, lParam));
- }
- static void demo_create_window(struct demo *demo) {
- WNDCLASSEX win_class;
- // Initialize the window class structure:
- win_class.cbSize = sizeof(WNDCLASSEX);
- win_class.style = CS_HREDRAW | CS_VREDRAW;
- win_class.lpfnWndProc = WndProc;
- win_class.cbClsExtra = 0;
- win_class.cbWndExtra = 0;
- win_class.hInstance = demo->connection; // hInstance
- win_class.hIcon = LoadIcon(NULL, IDI_APPLICATION);
- win_class.hCursor = LoadCursor(NULL, IDC_ARROW);
- win_class.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
- win_class.lpszMenuName = NULL;
- win_class.lpszClassName = demo->name;
- win_class.hIconSm = LoadIcon(NULL, IDI_WINLOGO);
- // Register window class:
- if (!RegisterClassEx(&win_class)) {
- // It didn't work, so try to give a useful error:
- printf("Unexpected error trying to start the application!\n");
- fflush(stdout);
- exit(1);
- }
- // Create window with the registered class:
- RECT wr = {0, 0, demo->width, demo->height};
- AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
- demo->window = CreateWindowEx(0,
- demo->name, // class name
- demo->name, // app name
- WS_OVERLAPPEDWINDOW | // window style
- WS_VISIBLE | WS_SYSMENU,
- 100, 100, // x/y coords
- wr.right - wr.left, // width
- wr.bottom - wr.top, // height
- NULL, // handle to parent
- NULL, // handle to menu
- demo->connection, // hInstance
- NULL); // no extra parameters
- if (!demo->window) {
- // It didn't work, so try to give a useful error:
- printf("Cannot create a window in which to draw!\n");
- fflush(stdout);
- exit(1);
- }
- }
- #else // _WIN32
- static void demo_handle_event(struct demo *demo,
- const xcb_generic_event_t *event) {
- uint8_t event_code = event->response_type & 0x7f;
- switch (event_code) {
- case XCB_EXPOSE:
- // TODO: Resize window
- break;
- case XCB_CLIENT_MESSAGE:
- if ((*(xcb_client_message_event_t *)event).data.data32[0] ==
- (*demo->atom_wm_delete_window).atom) {
- demo->quit = true;
- }
- break;
- case XCB_KEY_RELEASE: {
- const xcb_key_release_event_t *key =
- (const xcb_key_release_event_t *)event;
- switch (key->detail) {
- case 0x9: // Escape
- demo->quit = true;
- break;
- case 0x71: // left arrow key
- demo->spin_angle += demo->spin_increment;
- break;
- case 0x72: // right arrow key
- demo->spin_angle -= demo->spin_increment;
- break;
- case 0x41:
- demo->pause = !demo->pause;
- break;
- }
- } break;
- case XCB_CONFIGURE_NOTIFY: {
- const xcb_configure_notify_event_t *cfg =
- (const xcb_configure_notify_event_t *)event;
- if ((demo->width != cfg->width) || (demo->height != cfg->height)) {
- demo->width = cfg->width;
- demo->height = cfg->height;
- demo_resize(demo);
- }
- } break;
- default:
- break;
- }
- }
- static void demo_run(struct demo *demo) {
- xcb_flush(demo->connection);
- while (!demo->quit) {
- xcb_generic_event_t *event;
- if (demo->pause) {
- event = xcb_wait_for_event(demo->connection);
- } else {
- event = xcb_poll_for_event(demo->connection);
- }
- if (event) {
- demo_handle_event(demo, event);
- free(event);
- }
- // Wait for work to finish before updating MVP.
- vkDeviceWaitIdle(demo->device);
- demo_update_data_buffer(demo);
- demo_draw(demo);
- // Wait for work to finish before updating MVP.
- vkDeviceWaitIdle(demo->device);
- demo->curFrame++;
- if (demo->frameCount != INT32_MAX && demo->curFrame == demo->frameCount)
- demo->quit = true;
- }
- }
- 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);
- // Force the x/y coordinates to 100,100 results are identical in consecutive
- // runs
- const uint32_t coords[] = {100, 100};
- xcb_configure_window(demo->connection, demo->window,
- XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, coords);
- }
- #endif // _WIN32
- /*
- * Return 1 (true) if all layer names specified in check_names
- * can be found in given layer properties.
- */
- static VkBool32 demo_check_layers(uint32_t check_count, char **check_names,
- uint32_t layer_count,
- VkLayerProperties *layers) {
- for (uint32_t i = 0; i < check_count; i++) {
- VkBool32 found = 0;
- for (uint32_t j = 0; j < layer_count; j++) {
- if (!strcmp(check_names[i], layers[j].layerName)) {
- found = 1;
- 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;
- char *extension_names[64];
- uint32_t instance_extension_count = 0;
- uint32_t instance_layer_count = 0;
- uint32_t device_validation_layer_count = 0;
- uint32_t enabled_extension_count = 0;
- uint32_t enabled_layer_count = 0;
- char *instance_validation_layers[] = {
- "VK_LAYER_LUNARG_threading", "VK_LAYER_LUNARG_mem_tracker",
- "VK_LAYER_LUNARG_object_tracker", "VK_LAYER_LUNARG_draw_state",
- "VK_LAYER_LUNARG_param_checker", "VK_LAYER_LUNARG_swapchain",
- "VK_LAYER_LUNARG_device_limits", "VK_LAYER_LUNARG_image",
- "VK_LAYER_GOOGLE_unique_objects",
- };
- demo->device_validation_layers[0] = "VK_LAYER_LUNARG_threading";
- demo->device_validation_layers[1] = "VK_LAYER_LUNARG_mem_tracker";
- demo->device_validation_layers[2] = "VK_LAYER_LUNARG_object_tracker";
- demo->device_validation_layers[3] = "VK_LAYER_LUNARG_draw_state";
- demo->device_validation_layers[4] = "VK_LAYER_LUNARG_param_checker";
- demo->device_validation_layers[5] = "VK_LAYER_LUNARG_swapchain";
- demo->device_validation_layers[6] = "VK_LAYER_LUNARG_device_limits";
- demo->device_validation_layers[7] = "VK_LAYER_LUNARG_image";
- demo->device_validation_layers[8] = "VK_LAYER_GOOGLE_unique_objects";
- device_validation_layer_count = 9;
- /* Look for validation layers */
- VkBool32 validation_found = 0;
- err = vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL);
- assert(!err);
- if (instance_layer_count > 0) {
- VkLayerProperties *instance_layers =
- malloc(sizeof(VkLayerProperties) * instance_layer_count);
- err = vkEnumerateInstanceLayerProperties(&instance_layer_count,
- instance_layers);
- assert(!err);
- if (demo->validate) {
- validation_found = demo_check_layers(
- ARRAY_SIZE(instance_validation_layers),
- instance_validation_layers, instance_layer_count,
- instance_layers);
- enabled_layer_count = ARRAY_SIZE(instance_validation_layers);
- }
- free(instance_layers);
- }
- if (demo->validate && !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 */
- VkBool32 surfaceExtFound = 0;
- VkBool32 platformSurfaceExtFound = 0;
- memset(extension_names, 0, sizeof(extension_names));
- 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 (uint32_t i = 0; i < instance_extension_count; i++) {
- if (!strcmp(VK_KHR_SURFACE_EXTENSION_NAME,
- instance_extensions[i].extensionName)) {
- surfaceExtFound = 1;
- extension_names[enabled_extension_count++] =
- VK_KHR_SURFACE_EXTENSION_NAME;
- }
- #ifdef _WIN32
- if (!strcmp(VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
- instance_extensions[i].extensionName)) {
- platformSurfaceExtFound = 1;
- extension_names[enabled_extension_count++] =
- VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
- }
- #else // _WIN32
- if (!strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME,
- instance_extensions[i].extensionName)) {
- platformSurfaceExtFound = 1;
- extension_names[enabled_extension_count++] =
- VK_KHR_XCB_SURFACE_EXTENSION_NAME;
- }
- #endif // _WIN32
- if (!strcmp(VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
- instance_extensions[i].extensionName)) {
- if (demo->validate) {
- extension_names[enabled_extension_count++] =
- VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
- }
- }
- assert(enabled_extension_count < 64);
- }
- free(instance_extensions);
- }
- if (!surfaceExtFound) {
- ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
- "the " VK_KHR_SURFACE_EXTENSION_NAME
- " extension.\n\nDo you have a compatible "
- "Vulkan installable client driver (ICD) installed?\nPlease "
- "look at the Getting Started guide for additional "
- "information.\n",
- "vkCreateInstance Failure");
- }
- if (!platformSurfaceExtFound) {
- #ifdef _WIN32
- ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
- "the " VK_KHR_WIN32_SURFACE_EXTENSION_NAME
- " extension.\n\nDo you have a compatible "
- "Vulkan installable client driver (ICD) installed?\nPlease "
- "look at the Getting Started guide for additional "
- "information.\n",
- "vkCreateInstance Failure");
- #else // _WIN32
- ERR_EXIT("vkEnumerateInstanceExtensionProperties failed to find "
- "the " VK_KHR_XCB_SURFACE_EXTENSION_NAME
- " extension.\n\nDo you have a compatible "
- "Vulkan installable client driver (ICD) installed?\nPlease "
- "look at the Getting Started guide for additional "
- "information.\n",
- "vkCreateInstance Failure");
- #endif // _WIN32
- }
- const VkApplicationInfo app = {
- .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
- .pNext = NULL,
- .pApplicationName = APP_SHORT_NAME,
- .applicationVersion = 0,
- .pEngineName = APP_SHORT_NAME,
- .engineVersion = 0,
- .apiVersion = (1, 0, 0),
- };
- VkInstanceCreateInfo inst_info = {
- .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
- .pNext = NULL,
- .pApplicationInfo = &app,
- .enabledLayerCount = enabled_layer_count,
- .ppEnabledLayerNames =
- (const char *const *)((demo->validate) ? instance_validation_layers
- : NULL),
- .enabledExtensionCount = enabled_extension_count,
- .ppEnabledExtensionNames = (const char *const *)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");
- }
- /* 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 cube 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\n"
- "Do you have a compatible Vulkan installable client driver (ICD) "
- "installed?\nPlease look at the Getting Started guide for "
- "additional information.\n",
- "vkEnumeratePhysicalDevices Failure");
- }
- /* Look for validation layers */
- validation_found = 0;
- demo->enabled_layer_count = 0;
- uint32_t device_layer_count = 0;
- err =
- vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count, NULL);
- assert(!err);
- if (device_layer_count > 0) {
- VkLayerProperties *device_layers =
- malloc(sizeof(VkLayerProperties) * device_layer_count);
- err = vkEnumerateDeviceLayerProperties(demo->gpu, &device_layer_count,
- device_layers);
- assert(!err);
- if (demo->validate) {
- validation_found = demo_check_layers(device_validation_layer_count,
- demo->device_validation_layers,
- device_layer_count,
- device_layers);
- demo->enabled_layer_count = device_validation_layer_count;
- }
- free(device_layers);
- }
- if (demo->validate && !validation_found) {
- ERR_EXIT("vkEnumerateDeviceLayerProperties failed to find"
- "a required validation layer.\n\n"
- "Please look at the Getting Started guide for additional "
- "information.\n",
- "vkCreateDevice Failure");
- }
- /* Look for device extensions */
- uint32_t device_extension_count = 0;
- VkBool32 swapchainExtFound = 0;
- demo->enabled_extension_count = 0;
- memset(extension_names, 0, sizeof(extension_names));
- 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 (uint32_t 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) {
- demo->CreateDebugReportCallback =
- (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(
- demo->inst, "vkCreateDebugReportCallbackEXT");
- demo->DestroyDebugReportCallback =
- (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(
- demo->inst, "vkDestroyDebugReportCallbackEXT");
- if (!demo->CreateDebugReportCallback) {
- ERR_EXIT(
- "GetProcAddr: Unable to find vkCreateDebugReportCallbackEXT\n",
- "vkGetProcAddr Failure");
- }
- if (!demo->DestroyDebugReportCallback) {
- ERR_EXIT(
- "GetProcAddr: Unable to find vkDestroyDebugReportCallbackEXT\n",
- "vkGetProcAddr Failure");
- }
- demo->DebugReportMessage =
- (PFN_vkDebugReportMessageEXT)vkGetInstanceProcAddr(
- demo->inst, "vkDebugReportMessageEXT");
- if (!demo->DebugReportMessage) {
- ERR_EXIT("GetProcAddr: Unable to find vkDebugReportMessageEXT\n",
- "vkGetProcAddr Failure");
- }
- PFN_vkDebugReportCallbackEXT callback;
- if (!demo->use_break) {
- callback = dbgFunc;
- } else {
- callback = dbgFunc;
- // TODO add a break callback defined locally since there is no
- // longer
- // one included in the loader
- }
- VkDebugReportCallbackCreateInfoEXT dbgCreateInfo;
- dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
- dbgCreateInfo.pNext = NULL;
- dbgCreateInfo.pfnCallback = callback;
- dbgCreateInfo.pUserData = NULL;
- dbgCreateInfo.flags =
- VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT;
- err = demo->CreateDebugReportCallback(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);
- /* Call with NULL data to get count */
- vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
- NULL);
- assert(demo->queue_count >= 1);
- demo->queue_props = (VkQueueFamilyProperties *)malloc(
- demo->queue_count * sizeof(VkQueueFamilyProperties));
- vkGetPhysicalDeviceQueueFamilyProperties(demo->gpu, &demo->queue_count,
- demo->queue_props);
- // Find a queue that supports gfx
- uint32_t gfx_queue_idx = 0;
- for (gfx_queue_idx = 0; gfx_queue_idx < demo->queue_count;
- gfx_queue_idx++) {
- if (demo->queue_props[gfx_queue_idx].queueFlags & VK_QUEUE_GRAPHICS_BIT)
- break;
- }
- assert(gfx_queue_idx < demo->queue_count);
- // Query fine-grained feature support for this device.
- // If app has specific feature requirements it should check supported
- // features based on this query
- VkPhysicalDeviceFeatures physDevFeatures;
- vkGetPhysicalDeviceFeatures(demo->gpu, &physDevFeatures);
- GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceSupportKHR);
- GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceCapabilitiesKHR);
- GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfaceFormatsKHR);
- GET_INSTANCE_PROC_ADDR(demo->inst, GetPhysicalDeviceSurfacePresentModesKHR);
- GET_INSTANCE_PROC_ADDR(demo->inst, GetSwapchainImagesKHR);
- }
- static void demo_create_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};
- VkDeviceCreateInfo device = {
- .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
- .pNext = NULL,
- .queueCreateInfoCount = 1,
- .pQueueCreateInfos = &queue,
- .enabledLayerCount = demo->enabled_layer_count,
- .ppEnabledLayerNames =
- (const char *const *)((demo->validate)
- ? demo->device_validation_layers
- : NULL),
- .enabledExtensionCount = demo->enabled_extension_count,
- .ppEnabledExtensionNames = (const char *const *)demo->extension_names,
- .pEnabledFeatures =
- NULL, // If specific features are required, pass them in here
- };
- 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:
- #ifdef _WIN32
- VkWin32SurfaceCreateInfoKHR createInfo;
- createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
- createInfo.pNext = NULL;
- createInfo.flags = 0;
- createInfo.hinstance = demo->connection;
- createInfo.hwnd = demo->window;
- err =
- vkCreateWin32SurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
- #else // _WIN32
- VkXcbSurfaceCreateInfoKHR createInfo;
- createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
- createInfo.pNext = NULL;
- createInfo.flags = 0;
- createInfo.connection = demo->connection;
- createInfo.window = demo->window;
- err = vkCreateXcbSurfaceKHR(demo->inst, &createInfo, NULL, &demo->surface);
- #endif // _WIN32
- // Iterate over each queue to learn whether it supports presenting:
- VkBool32 *supportsPresent =
- (VkBool32 *)malloc(demo->queue_count * sizeof(VkBool32));
- for (i = 0; i < demo->queue_count; i++) {
- demo->fpGetPhysicalDeviceSurfaceSupportKHR(demo->gpu, i, demo->surface,
- &supportsPresent[i]);
- }
- // Search for a graphics and a present queue in the array of queue
- // families, try to find one that supports both
- uint32_t graphicsQueueNodeIndex = UINT32_MAX;
- uint32_t presentQueueNodeIndex = UINT32_MAX;
- for (i = 0; i < demo->queue_count; i++) {
- if ((demo->queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
- if (graphicsQueueNodeIndex == UINT32_MAX) {
- graphicsQueueNodeIndex = i;
- }
- if (supportsPresent[i] == VK_TRUE) {
- graphicsQueueNodeIndex = i;
- presentQueueNodeIndex = i;
- break;
- }
- }
- }
- if (presentQueueNodeIndex == UINT32_MAX) {
- // If didn't find a queue that supports both graphics and present, then
- // find a separate present queue.
- for (uint32_t i = 0; i < demo->queue_count; ++i) {
- if (supportsPresent[i] == VK_TRUE) {
- presentQueueNodeIndex = i;
- break;
- }
- }
- }
- free(supportsPresent);
- // Generate error if could not find both a graphics and a present queue
- if (graphicsQueueNodeIndex == UINT32_MAX ||
- presentQueueNodeIndex == UINT32_MAX) {
- ERR_EXIT("Could not find a graphics and a present queue\n",
- "Swapchain Initialization Failure");
- }
- // TODO: Add support for separate queues, including presentation,
- // synchronization, and appropriate tracking for QueueSubmit.
- // 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_create_device(demo);
- GET_DEVICE_PROC_ADDR(demo->device, CreateSwapchainKHR);
- GET_DEVICE_PROC_ADDR(demo->device, DestroySwapchainKHR);
- GET_DEVICE_PROC_ADDR(demo->device, GetSwapchainImagesKHR);
- GET_DEVICE_PROC_ADDR(demo->device, AcquireNextImageKHR);
- GET_DEVICE_PROC_ADDR(demo->device, QueuePresentKHR);
- vkGetDeviceQueue(demo->device, demo->graphics_queue_node_index, 0,
- &demo->queue);
- // Get the list of VkFormat's that are supported:
- uint32_t formatCount;
- err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
- &formatCount, NULL);
- assert(!err);
- VkSurfaceFormatKHR *surfFormats =
- (VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
- err = demo->fpGetPhysicalDeviceSurfaceFormatsKHR(demo->gpu, demo->surface,
- &formatCount, surfFormats);
- assert(!err);
- // If the format list includes just one entry of VK_FORMAT_UNDEFINED,
- // the surface has no preferred format. Otherwise, at least one
- // supported format will be returned.
- if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
- demo->format = VK_FORMAT_B8G8R8A8_UNORM;
- } else {
- assert(formatCount >= 1);
- demo->format = surfFormats[0].format;
- }
- demo->color_space = surfFormats[0].colorSpace;
- demo->quit = false;
- demo->curFrame = 0;
- // Get Memory information and properties
- vkGetPhysicalDeviceMemoryProperties(demo->gpu, &demo->memory_properties);
- }
- static void demo_init_connection(struct demo *demo) {
- #ifndef _WIN32
- const xcb_setup_t *setup;
- xcb_screen_iterator_t iter;
- int scr;
- demo->connection = xcb_connect(NULL, &scr);
- if (demo->connection == NULL) {
- printf("Cannot find a compatible Vulkan installable client driver "
- "(ICD).\nExiting ...\n");
- fflush(stdout);
- exit(1);
- }
- setup = xcb_get_setup(demo->connection);
- iter = xcb_setup_roots_iterator(setup);
- while (scr-- > 0)
- xcb_screen_next(&iter);
- demo->screen = iter.data;
- #endif // _WIN32
- }
- static void demo_init(struct demo *demo, int argc, char **argv) {
- vec3 eye = {0.0f, 3.0f, 5.0f};
- vec3 origin = {0, 0, 0};
- vec3 up = {0.0f, 1.0f, 0.0};
- memset(demo, 0, sizeof(*demo));
- demo->frameCount = INT32_MAX;
- for (int 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 = 500;
- demo->height = 500;
- demo->spin_angle = 0.01f;
- demo->spin_increment = 0.01f;
- demo->pause = false;
- mat4x4_perspective(demo->projection_matrix, (float)degreesToRadians(45.0f),
- 1.0f, 0.1f, 100.0f);
- mat4x4_look_at(demo->view_matrix, eye, origin, up);
- mat4x4_identity(demo->model_matrix);
- }
- #ifdef _WIN32
- // Include header required for parsing the command line options.
- #include <shellapi.h>
- int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine,
- int nCmdShow) {
- MSG msg; // message
- bool done; // flag saying when app is complete
- int argc;
- char **argv;
- // Use the CommandLine functions to get the command line arguments.
- // Unfortunately, Microsoft outputs
- // this information as wide characters for Unicode, and we simply want the
- // Ascii version to be compatible
- // with the non-Windows side. So, we have to convert the information to
- // Ascii character strings.
- LPWSTR *commandLineArgs = CommandLineToArgvW(GetCommandLineW(), &argc);
- if (NULL == commandLineArgs) {
- argc = 0;
- }
- if (argc > 0) {
- argv = (char **)malloc(sizeof(char *) * argc);
- if (argv == NULL) {
- argc = 0;
- } else {
- for (int iii = 0; iii < argc; iii++) {
- size_t wideCharLen = wcslen(commandLineArgs[iii]);
- size_t numConverted = 0;
- argv[iii] = (char *)malloc(sizeof(char) * (wideCharLen + 1));
- if (argv[iii] != NULL) {
- wcstombs_s(&numConverted, argv[iii], wideCharLen + 1,
- commandLineArgs[iii], wideCharLen + 1);
- }
- }
- }
- } else {
- argv = NULL;
- }
- demo_init(&demo, argc, argv);
- // Free up the items we had to allocate for the command line arguments.
- if (argc > 0 && argv != NULL) {
- for (int iii = 0; iii < argc; iii++) {
- if (argv[iii] != NULL) {
- free(argv[iii]);
- }
- }
- free(argv);
- }
- demo.connection = hInstance;
- strncpy(demo.name, "cube", APP_NAME_STR_LEN);
- demo_create_window(&demo);
- demo_init_vk_swapchain(&demo);
- demo_prepare(&demo);
- done = false; // initialize loop condition variable
- // main message loop
- while (!done) {
- PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
- if (msg.message == WM_QUIT) // check for a quit message
- {
- done = true; // if found, quit app
- } else {
- /* Translate and dispatch to event queue*/
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- RedrawWindow(demo.window, NULL, NULL, RDW_INTERNALPAINT);
- }
- demo_cleanup(&demo);
- return (int)msg.wParam;
- }
- #else // _WIN32
- int main(int argc, char **argv) {
- struct demo demo;
- demo_init(&demo, argc, argv);
- demo_create_window(&demo);
- demo_init_vk_swapchain(&demo);
- demo_prepare(&demo);
- demo_run(&demo);
- demo_cleanup(&demo);
- return 0;
- }
- #endif // _WIN32
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