#include #include #include #include #include #define SDL_MAIN_HANDLED #define VK_USE_PLATFORM_XCB_KHR #include #include #include #include #include // for string_VkResult #define VMA_STATIC_VULKAN_FUNCTIONS 0 #define VMA_DYNAMIC_VULKAN_FUNCTIONS 1 #include "vk_mem_alloc.h" //#include "cplusplus.h" #include "vkutil.h" #include "state.h" // embedded clgm library #define CGLM_FORCE_DEPTH_ZERO_TO_ONE #include "../lib/cglm/include/cglm/cglm.h" uint32_t currentFrame = 0; state_t s; const uint32_t validationLayerCount = 1; const char *const validationLayers[] = { "VK_LAYER_KHRONOS_validation" }; const uint32_t deviceExtensionCount = 1; const char *const deviceExtensions[] = { VK_KHR_SWAPCHAIN_EXTENSION_NAME, }; #ifdef VKDEBUG const bool enableValidationLayers = true; #else const bool enableValidationLayers = false; #endif typedef struct { float x; float y; } V2; typedef struct { float x; float y; float z; } V3; typedef struct { V2 pos; V3 color; } Vertex; /* Vertex vertices[] = { */ /* (Vertex) { (V2) {-0.2f, -0.5f}, (V3) {0.0f, 1.0f, 0.0f}}, */ /* (Vertex) { (V2) {0.5f, 0.3f}, (V3) {0.0f, 0.0f, 1.0f}}, */ /* (Vertex) { (V2) {-0.5f, 0.7f}, (V3) {1.0f, 0.0f, 0.0f}}, */ /* (Vertex) { (V2) {0.2f, -0.5f}, (V3) {0.0f, 0.0f, 1.0f}}, */ /* (Vertex) { (V2) {0.5f, 0.7f}, (V3) {1.0f, 0.0f, 0.0f}}, */ /* (Vertex) { (V2) {-0.5f, 0.3f}, (V3) {0.0f, 1.0f, 0.0f}}, */ /* (Vertex) { (V2) {0.0f, -0.5f}, (V3) {1.0f, 0.0f, 0.0f}}, */ /* (Vertex) { (V2) {0.5f, 0.5f}, (V3) {0.0f, 1.0f, 0.0f}}, */ /* (Vertex) { (V2) {-0.5f, 0.5f}, (V3) {0.0f, 0.0f, 1.0f}}, */ /* }; */ /* const int VERTICES_SIZE = VK_ARRAY_LEN(vertices); */ /* const uint16_t indices[] = { */ /* 0, 1, 2, 3, 4, 5, 6, 7, 8, */ /* }; */ /* const int INDICES_SIZE = VK_ARRAY_LEN(indices); */ Vertex vertices[] = { (Vertex) { (V2) {-0.5f, -0.5f}, (V3) {1.0f, 0.0f, 0.0f}}, (Vertex) { (V2) {0.5f, -0.5f}, (V3) {0.0f, 1.0f, 0.0f}}, (Vertex) { (V2) {0.5f, 0.5f}, (V3) {0.0f, 0.0f, 1.0f}}, (Vertex) { (V2) {-0.5f, 0.5f}, (V3) {1.0f, 1.0f, 1.0f}}, }; const int VERTICES_SIZE = VK_ARRAY_LEN(vertices); const uint16_t indices[] = { 0, 1, 2, 2, 3, 0 }; const int INDICES_SIZE = VK_ARRAY_LEN(indices); bool init() { if (SDL_Init(SDL_INIT_VIDEO) < 0) { vk_log(VK_INFO, "SDL could not initialize! SDL_Error: %s\n", SDL_GetError()); return false; } s.sdl_window = SDL_CreateWindow("Vulkanizater", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, s.window_w, s.window_h, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_VULKAN); if (s.sdl_window == NULL) { vk_log(VK_INFO, "Window could not be created! SDL_Error: %s\n", SDL_GetError()); return false; } return true; } void closeSDL() { SDL_DestroyWindow(s.sdl_window); s.sdl_window = NULL; SDL_Quit(); } bool checkValidationLayerSupport() { uint32_t layerCount; vkEnumerateInstanceLayerProperties(&layerCount, NULL); VkLayerProperties availableLayers[layerCount]; vkEnumerateInstanceLayerProperties(&layerCount, availableLayers); for (uint32_t i = 0; i < validationLayerCount; i++) { bool layerFound = false; for (uint32_t j = 0; j < layerCount; j++) { if (strcmp(validationLayers[i], availableLayers[j].layerName) == 0) { layerFound = true; break; } } if (!layerFound) { return false; } } return true; } static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData) { vk_log(VK_ERROR, "validation layer: %s\n", pCallbackData->pMessage); return VK_FALSE; } void vulkan_setup_debug_messenger() { if (!enableValidationLayers) return; VkDebugUtilsMessengerCreateInfoEXT createInfo = {0}; createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT; createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT; createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT; createInfo.pfnUserCallback = debugCallback; createInfo.pUserData = NULL; // Optional // TODO: func pointers returned are NULL s.pfnCreateDebugUtilsMessengerEXT = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(s.vk_instance, "vkCreateDebugUtilsMessengerEXT"); s.pfnDestroyDebugUtilsMessengerEXT = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(s.vk_instance, "vkDestroyDebugUtilsMessengerEXT"); VkResult result = s.pfnCreateDebugUtilsMessengerEXT(s.vk_instance, &createInfo, NULL, &s.vk_debug_messenger); if (result != VK_SUCCESS) { vk_log(VK_WARN, "failed to set up debug messenger! %s\n", string_VkResult(result)); } else { vk_log(VK_INFO, "Debug messanger created!\n"); } } void vulkan_create_instance() { if (enableValidationLayers && !checkValidationLayerSupport()) { vk_log(VK_ERROR, "validation layers requested, but not available!\n"); } uint32_t instanceVersion; VkResult result = vkEnumerateInstanceVersion(&instanceVersion); if (result == VK_SUCCESS) { if (instanceVersion < VK_MAKE_API_VERSION(0, 1, 3, 0)) { vk_log(VK_ERROR, "Vulkan version 1.3 or greater required!\n"); exit(1); } vk_log(VK_INFO, "Vulkan version found (%d) %d.%d.%d\n", VK_API_VERSION_VARIANT(instanceVersion), VK_API_VERSION_MAJOR(instanceVersion), VK_API_VERSION_MINOR(instanceVersion), VK_API_VERSION_PATCH(instanceVersion)); } else { vk_log(VK_ERROR, "Failed to retrieve vulkan version, is vulkan supported in this system? %s\n", string_VkResult(result)); exit(1); } // Load Vulkan and create instance VkApplicationInfo appInfo = { .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, .pApplicationName = "Vulkan Application", .applicationVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), .pEngineName = NULL, .engineVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), .apiVersion = VK_MAKE_API_VERSION(0, 1, 3, 0), }; uint32_t sdlExtensionCount = 0; if (SDL_Vulkan_GetInstanceExtensions(s.sdl_window, &sdlExtensionCount, NULL) == SDL_FALSE) { vk_log(VK_ERROR, "SDL_Vulkan_GetInstanceExtensions failed: %s\n", SDL_GetError()); } // make space for debug extenetion if (enableValidationLayers) { sdlExtensionCount++; } const char* sdlExtensions[sdlExtensionCount]; if (SDL_Vulkan_GetInstanceExtensions(s.sdl_window, &sdlExtensionCount, sdlExtensions) == SDL_FALSE) { vk_log(VK_ERROR, "SDL_Vulkan_GetInstanceExtensions failed: %s\n", SDL_GetError()); } // add debug extenetion if (enableValidationLayers) { sdlExtensions[sdlExtensionCount] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME; } vk_log(VK_INFO, "The sdl extensions:\n"); for (uint32_t i = 0; i < sdlExtensionCount; i++) { vk_log(VK_INFO, "\t%s\n", sdlExtensions[i]); } VkInstanceCreateInfo createInfo = { .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, .pApplicationInfo = &appInfo, .enabledExtensionCount = sdlExtensionCount, .ppEnabledExtensionNames = sdlExtensions, .enabledLayerCount = 0, }; if (enableValidationLayers) { createInfo.enabledLayerCount = validationLayerCount; createInfo.ppEnabledLayerNames = validationLayers; } if (vkCreateInstance(&createInfo, NULL, &s.vk_instance) != VK_SUCCESS) { vk_log(VK_ERROR, "Can't start vulkan instance\n"); } vk_log(VK_INFO, "Vulkan instance created\n"); } VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR * capabilities) { if (capabilities->currentExtent.width != UINT32_MAX) { return capabilities->currentExtent; } else { int width, height; SDL_GetWindowSize(s.sdl_window, &width, &height); VkExtent2D actualExtent; actualExtent.width = (uint32_t) width; actualExtent.height = (uint32_t) height; // Manual implementation of std::clamp since it is not available in C actualExtent.width = (actualExtent.width < capabilities->minImageExtent.width) ? capabilities->minImageExtent.width : (actualExtent.width > capabilities->maxImageExtent.width) ? capabilities->maxImageExtent.width : actualExtent.width; actualExtent.height = (actualExtent.height < capabilities->minImageExtent.height) ? capabilities->minImageExtent.height : (actualExtent.height > capabilities->maxImageExtent.height) ? capabilities->maxImageExtent.height : actualExtent.height; return actualExtent; } } VkSurfaceFormatKHR chooseSwapSurfaceFormat(const VkSurfaceFormatKHR * availableFormats, uint32_t formatCount) { for (uint32_t i = 0 ; i < formatCount; i ++) { if (availableFormats[i].format == VK_FORMAT_B8G8R8A8_SRGB && availableFormats[i].colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) { return availableFormats[i]; } } // if it fails pick the first one return availableFormats[0]; } VkPresentModeKHR chooseSwapPresentMode(const VkPresentModeKHR * presentModes, uint32_t presentModeCount) { for (uint32_t i = 0 ; i < presentModeCount; i ++) { if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) { return presentModes[i]; } } // if it fails pick the the FIFO one return VK_PRESENT_MODE_FIFO_KHR; } typedef struct SwapChainSupportDetails { VkSurfaceCapabilitiesKHR capabilities; VkSurfaceFormatKHR formats[100]; uint32_t formatCount; VkPresentModeKHR presentModes[100]; uint32_t presentModeCount; } SwapChainSupportDetails; SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) { SwapChainSupportDetails details; vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, s.vk_surface, &details.capabilities); vkGetPhysicalDeviceSurfaceFormatsKHR(device, s.vk_surface, &details.formatCount, NULL); if (details.formatCount != 0) { // todo alloc format arrray vkGetPhysicalDeviceSurfaceFormatsKHR(device, s.vk_surface, &details.formatCount, details.formats); } vkGetPhysicalDeviceSurfacePresentModesKHR(device, s.vk_surface, &details.presentModeCount, NULL); if (details.presentModeCount != 0) { // todo alloc presentModes array vkGetPhysicalDeviceSurfacePresentModesKHR(device, s.vk_surface, &details.presentModeCount, details.presentModes); } return details; } typedef struct QueueFamilyIndices { uint32_t graphicsFamily; bool graphicsFlag; uint32_t presentFamily; bool presentFlag; } QueueFamilyIndices; bool vulkan_queue_family_check_flags(QueueFamilyIndices x) { return x.graphicsFlag && x.presentFlag; } QueueFamilyIndices vulkan_find_queue_families(VkPhysicalDevice device) { QueueFamilyIndices indices; indices.graphicsFlag = false; indices.presentFlag = false; uint32_t queueFamilyCount = 0; vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, NULL); VkQueueFamilyProperties queueFamilies[queueFamilyCount]; vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies); for (uint32_t i = 0; i < queueFamilyCount; i++) { if (queueFamilies[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) { indices.graphicsFamily = i; indices.graphicsFlag = true; } VkBool32 presentSupport = false; vkGetPhysicalDeviceSurfaceSupportKHR(device, i, s.vk_surface, &presentSupport); if (presentSupport) { indices.presentFamily = i; indices.presentFlag = true; } if (vulkan_queue_family_check_flags(indices)) break; } return indices; } bool vulkan_check_device_extension_support(VkPhysicalDevice device) { uint32_t extensionCount; vkEnumerateDeviceExtensionProperties(device, NULL, &extensionCount, NULL); VkExtensionProperties availableExtensions[extensionCount]; vkEnumerateDeviceExtensionProperties(device, NULL, &extensionCount, availableExtensions); uint32_t flag = 0; for (uint32_t i = 0; i < deviceExtensionCount; i++) { for (uint32_t j = 0; j < extensionCount; j++) { if (strcmp(deviceExtensions[i], availableExtensions[j].extensionName) == 0) { flag++; break; } } } return flag == deviceExtensionCount; } bool vulkan_is_device_suitable(VkPhysicalDevice device) { QueueFamilyIndices indices = vulkan_find_queue_families(device); bool extensionsSupported = vulkan_check_device_extension_support(device); bool swapChainAdequate = false; if (extensionsSupported) { SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device); swapChainAdequate = !(swapChainSupport.formatCount == 0) && !(swapChainSupport.presentModeCount == 0); } return vulkan_queue_family_check_flags(indices) && extensionsSupported && swapChainAdequate; } void vulkan_pick_physical_device() { uint32_t deviceCount = 0; vkEnumeratePhysicalDevices(s.vk_instance, &deviceCount, NULL); if (deviceCount == 0) { vk_log(VK_INFO, "failed to find GPUs with Vulkan support!\n"); } VkPhysicalDevice devices[deviceCount]; vkEnumeratePhysicalDevices(s.vk_instance, &deviceCount, devices); for (uint32_t i = 0; i < deviceCount; i++) { if (vulkan_is_device_suitable(devices[i])) { s.vk_physical_device = devices[i]; break; } } if (s.vk_physical_device == VK_NULL_HANDLE) { vk_log(VK_ERROR, "failed to find a suitable GPU!\n"); } VkPhysicalDeviceProperties deviceProperties; vkGetPhysicalDeviceProperties(s.vk_physical_device, &deviceProperties); vk_log(VK_INFO, "Picked [%s] physical device.\n", deviceProperties.deviceName); uint32_t extensionCount = 0; vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, NULL); VkExtensionProperties extensions[extensionCount]; VkResult result = vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, extensions); vk_log(VK_INFO, "Vulkan enabled extensions: %s\n", string_VkResult(result)); for (uint32_t i = 0; i < extensionCount; i++) { vk_log(VK_INFO, "\t%s\n", extensions[i].extensionName); } } void vulkan_create_logical_device() { QueueFamilyIndices indices = vulkan_find_queue_families(s.vk_physical_device); // TODO CREATE MULPILE QUEUES // https://vulkan-tutorial.com/en/Drawing_a_triangle/Presentation/Window_surface#page_Creating-the-presentation-queue VkDeviceQueueCreateInfo queueCreateInfo = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, .queueFamilyIndex = indices.graphicsFamily, .queueCount = 1, }; float queuePriority = 1.0f; queueCreateInfo.pQueuePriorities = &queuePriority; VkPhysicalDeviceFeatures deviceFeatures = {0}; vkGetPhysicalDeviceFeatures(s.vk_physical_device, &deviceFeatures); #ifndef NDEBUG /* Disable robust buffer access when building without debug */ deviceFeatures.robustBufferAccess = VK_FALSE; #endif VkPhysicalDeviceDynamicRenderingFeaturesKHR dynamic_rendering_feature = { .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DYNAMIC_RENDERING_FEATURES_KHR, .dynamicRendering = VK_TRUE, }; VkDeviceCreateInfo createInfo = { .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, .pQueueCreateInfos = &queueCreateInfo, .queueCreateInfoCount = 1, .pNext = &dynamic_rendering_feature, .pEnabledFeatures = &deviceFeatures, .enabledExtensionCount = deviceExtensionCount, .ppEnabledExtensionNames = deviceExtensions, .enabledLayerCount = 0, }; if (vkCreateDevice(s.vk_physical_device, &createInfo, NULL, &s.vk_device) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create logical device!\n"); } vk_log(VK_INFO, "Vulkan logical device created\n"); vkGetDeviceQueue(s.vk_device, indices.graphicsFamily, 0, &s.vk_graphics_queue); vkGetDeviceQueue(s.vk_device, indices.presentFamily, 0, &s.vk_present_queue); } void handle_input(bool * quit) { SDL_Event e; while (SDL_PollEvent(&e) != 0) { // User requests quit if (e.type == SDL_QUIT) { *quit = true; } // User presses a key else if (e.type == SDL_KEYDOWN) { switch (e.key.keysym.sym) { case SDLK_UP: s.x += .1f; break; case SDLK_DOWN: s.x -= .1f; break; case SDLK_LEFT: break; case SDLK_RIGHT: break; } } else if (e.type == SDL_MOUSEWHEEL) { if(e.wheel.y > 0) // scroll up { s.zoom += 1; } else if(e.wheel.y < 0) // scroll down { s.zoom -= 1; if (s.zoom == -100) s.zoom = 1; } } } } void vulkan_create_surface() { if (SDL_Vulkan_CreateSurface(s.sdl_window, s.vk_instance, &s.vk_surface) == SDL_FALSE) { vk_log(VK_INFO, "Failed to create surface\n"); } else { vk_log(VK_INFO, "Vulkan surface created\n"); } } void vulkan_create_swap_chain() { SwapChainSupportDetails swapChainSupport = querySwapChainSupport(s.vk_physical_device); VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats, swapChainSupport.formatCount); VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes, swapChainSupport.presentModeCount); VkExtent2D extent = chooseSwapExtent(&swapChainSupport.capabilities); uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1; if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount) { imageCount = swapChainSupport.capabilities.maxImageCount; } VkSwapchainCreateInfoKHR createInfo = { .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, .surface = s.vk_surface, .minImageCount = imageCount, .imageFormat = surfaceFormat.format, .imageColorSpace = surfaceFormat.colorSpace, .imageExtent = extent, .imageArrayLayers = 1, .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, }; QueueFamilyIndices indices = vulkan_find_queue_families(s.vk_physical_device); uint32_t queueFamilyIndices[] = {indices.graphicsFamily, indices.presentFamily}; if (indices.graphicsFamily != indices.presentFamily) { createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT; createInfo.queueFamilyIndexCount = 2; createInfo.pQueueFamilyIndices = queueFamilyIndices; } else { createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; createInfo.queueFamilyIndexCount = 0; // Optional createInfo.pQueueFamilyIndices = NULL; // Optional } createInfo.preTransform = swapChainSupport.capabilities.currentTransform; createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; createInfo.presentMode = presentMode; createInfo.clipped = VK_TRUE; createInfo.oldSwapchain = VK_NULL_HANDLE; VK_CHECK(vkCreateSwapchainKHR(s.vk_device, &createInfo, NULL, &s.vk_swap_chain)); /* if (result != VK_SUCCESS) { */ /* vk_log(VK_ERROR, "ERROR: failed to create swap chain! %s\n", string_VkResult(result)); */ /* } */ vkGetSwapchainImagesKHR(s.vk_device, s.vk_swap_chain, &s.vk_swap_chain_image_count, NULL); //vk_log(VK_INFO, "vk_swap_chain_images count: %d\n", s.vk_swap_chain_image_count); // todo alloc space for images vkGetSwapchainImagesKHR(s.vk_device, s.vk_swap_chain, &s.vk_swap_chain_image_count, s.vk_swap_chain_images); s.vk_swap_chain_image_format = surfaceFormat.format; s.vk_swap_chain_extent = extent; vk_log(VK_INFO, "Vulkan swapchain created!\n"); } void vulkan_create_image_views() { for (size_t i = 0; i < s.vk_swap_chain_image_count; i++) { VkImageViewCreateInfo createInfo = { .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, .image = s.vk_swap_chain_images[i], .viewType = VK_IMAGE_VIEW_TYPE_2D, .format = s.vk_swap_chain_image_format, .components.r = VK_COMPONENT_SWIZZLE_IDENTITY, .components.g = VK_COMPONENT_SWIZZLE_IDENTITY, .components.b = VK_COMPONENT_SWIZZLE_IDENTITY, .components.a = VK_COMPONENT_SWIZZLE_IDENTITY, .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, .subresourceRange.baseMipLevel = 0, .subresourceRange.levelCount = 1, .subresourceRange.baseArrayLayer = 0, .subresourceRange.layerCount = 1, }; if (vkCreateImageView(s.vk_device, &createInfo, NULL, &s.vk_swap_chain_image_views[i]) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create image views!\n"); } } vk_log(VK_INFO, "Vulkan image views created!\n"); } VkShaderModule createShaderModule(const char * code, long size) { VkShaderModuleCreateInfo createInfo = {0}; createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; createInfo.codeSize = size; createInfo.pCode = (const uint32_t *)code; VkShaderModule shaderModule; if (vkCreateShaderModule(s.vk_device, &createInfo, NULL, &shaderModule) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create shader module!\n"); } return shaderModule; } shaderc_compilation_result_t load_compile_shader_data(const char * path, shaderc_shader_kind shader_kind) { FILE* file = fopen(path, "r"); if (!file) { vk_log(VK_ERROR, "SHADER COMPILATION: Failed to open file: %s\n", path); return NULL; } fseek(file, 0, SEEK_END); long glsl_length = ftell(file); fseek(file, 0, SEEK_SET); char* glsl_src = (char*)malloc(glsl_length + 1); if (!glsl_src) { vk_log(VK_ERROR, "SHADER COMPILATION: Failed to allocate memory\n"); fclose(file); return NULL; } fread(glsl_src, 1, glsl_length, file); glsl_src[glsl_length] = '\0'; fclose(file); shaderc_compiler_t compiler = shaderc_compiler_initialize(); if (!compiler) { vk_log(VK_ERROR, "SHADER COMPILATION: Failed to initialize shader compiler\n"); free(glsl_src); return NULL; } shaderc_compile_options_t options = shaderc_compile_options_initialize(); shaderc_compilation_result_t result = shaderc_compile_into_spv(compiler, glsl_src, glsl_length, shader_kind, path, "main", options); if (shaderc_result_get_compilation_status(result) != shaderc_compilation_status_success) { vk_log(VK_ERROR, "SHADER COMPILATION: error: %s\n", shaderc_result_get_error_message(result)); shaderc_result_release(result); shaderc_compiler_release(compiler); free(glsl_src); return NULL; } shaderc_compiler_release(compiler); free(glsl_src); return result; } void vulkan_create_graphics_pipeline() { shaderc_compilation_result_t vert_result = load_compile_shader_data("shader.vert", shaderc_vertex_shader); if (!vert_result) { vk_log(VK_ERROR, "Can't load vertex shader"); } shaderc_compilation_result_t frag_result = load_compile_shader_data("shader.frag", shaderc_fragment_shader); if (!frag_result) { vk_log(VK_ERROR, "Can't load fragment shader"); } const char * vert_data = shaderc_result_get_bytes(vert_result); long vert_size = shaderc_result_get_length(vert_result); const char * frag_data = shaderc_result_get_bytes(frag_result); long frag_size = shaderc_result_get_length(frag_result); vk_log(VK_INFO, "Shaders loaded\n"); VkShaderModule vertShaderModule = createShaderModule(vert_data, vert_size); VkShaderModule fragShaderModule = createShaderModule(frag_data, frag_size); VkPipelineShaderStageCreateInfo vertShaderStageInfo = {0}; vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT; vertShaderStageInfo.module = vertShaderModule; vertShaderStageInfo.pName = "main"; VkPipelineShaderStageCreateInfo fragShaderStageInfo = {0}; fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT; fragShaderStageInfo.module = fragShaderModule; fragShaderStageInfo.pName = "main"; VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo}; VkDynamicState dynamicStates[] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; VkPipelineDynamicStateCreateInfo dynamicState = {0}; dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; dynamicState.dynamicStateCount = 2; dynamicState.pDynamicStates = dynamicStates; VkVertexInputBindingDescription bindingDescription = {0}; bindingDescription.binding = 0; bindingDescription.stride = sizeof(Vertex); bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX; VkVertexInputAttributeDescription attributeDescriptions[2] = {0}; attributeDescriptions[0].binding = 0; attributeDescriptions[0].location = 0; attributeDescriptions[0].format = VK_FORMAT_R32G32_SFLOAT; attributeDescriptions[0].offset = offsetof(Vertex, pos); attributeDescriptions[1].binding = 0; attributeDescriptions[1].location = 1; attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT; attributeDescriptions[1].offset = offsetof(Vertex, color); VkPipelineVertexInputStateCreateInfo vertexInputInfo = {0}; vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; vertexInputInfo.vertexBindingDescriptionCount = 1; vertexInputInfo.pVertexBindingDescriptions = &bindingDescription; vertexInputInfo.vertexAttributeDescriptionCount = 2; vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions; VkPipelineInputAssemblyStateCreateInfo inputAssembly = {}; inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; inputAssembly.primitiveRestartEnable = VK_FALSE; VkViewport viewport = {0}; viewport.x = 0.0f; viewport.y = 0.0f; viewport.width = (float) s.vk_swap_chain_extent.width; viewport.height = (float) s.vk_swap_chain_extent.height; viewport.minDepth = 0.0f; viewport.maxDepth = 1.0f; VkRect2D scissor = {0}; scissor.offset = (VkOffset2D){0, 0}; scissor.extent = s.vk_swap_chain_extent; VkPipelineViewportStateCreateInfo viewportState = { .sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, .viewportCount = 1, .pViewports = &viewport, .scissorCount = 1, .pScissors = &scissor, }; VkPipelineRasterizationStateCreateInfo rasterizer = {0}; rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; rasterizer.depthClampEnable = VK_FALSE; rasterizer.rasterizerDiscardEnable = VK_FALSE; rasterizer.polygonMode = VK_POLYGON_MODE_FILL; rasterizer.lineWidth = 1.0f; rasterizer.cullMode = VK_CULL_MODE_NONE; // rasterizer.cullMode = VK_CULL_MODE_BACK_BIT; rasterizer.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; rasterizer.depthBiasEnable = VK_FALSE; rasterizer.depthBiasConstantFactor = 0.0f; // Optional rasterizer.depthBiasClamp = 0.0f; // Optional rasterizer.depthBiasSlopeFactor = 0.0f; // Optional VkPipelineMultisampleStateCreateInfo multisampling = {0}; multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; multisampling.sampleShadingEnable = VK_FALSE; multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; multisampling.minSampleShading = 1.0f; // Optional multisampling.pSampleMask = NULL; // Optional multisampling.alphaToCoverageEnable = VK_FALSE; // Optional multisampling.alphaToOneEnable = VK_FALSE; // Optional VkPipelineColorBlendAttachmentState colorBlendAttachment = {0}; colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; colorBlendAttachment.blendEnable = VK_TRUE; colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD; colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD; /* colorBlendAttachment.blendEnable = VK_FALSE; */ /* colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE; // Optional */ /* colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional */ /* colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD; // Optional */ /* colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; // Optional */ /* colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional */ /* colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD; // Optional */ VkPipelineColorBlendStateCreateInfo colorBlending = {0}; colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; colorBlending.logicOpEnable = VK_FALSE; colorBlending.logicOp = VK_LOGIC_OP_COPY; // Optional colorBlending.attachmentCount = 1; colorBlending.pAttachments = &colorBlendAttachment; colorBlending.blendConstants[0] = 0.0f; // Optional colorBlending.blendConstants[1] = 0.0f; // Optional colorBlending.blendConstants[2] = 0.0f; // Optional colorBlending.blendConstants[3] = 0.0f; // Optional VkPipelineLayoutCreateInfo pipelineLayoutInfo = {0}; pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pipelineLayoutInfo.setLayoutCount = 1; pipelineLayoutInfo.pSetLayouts = &s.vk_descriptor_set_layout; pipelineLayoutInfo.pushConstantRangeCount = 0; // Optional pipelineLayoutInfo.pPushConstantRanges = NULL; // Optional if (vkCreatePipelineLayout(s.vk_device, &pipelineLayoutInfo, NULL, &s.vk_pipeline_layout) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create pipeline layout!\n"); } VkGraphicsPipelineCreateInfo pipelineInfo = {0}; pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; pipelineInfo.stageCount = 2; pipelineInfo.pStages = shaderStages; pipelineInfo.pVertexInputState = &vertexInputInfo; pipelineInfo.pInputAssemblyState = &inputAssembly; pipelineInfo.pViewportState = &viewportState; pipelineInfo.pRasterizationState = &rasterizer; pipelineInfo.pMultisampleState = &multisampling; pipelineInfo.pDepthStencilState = NULL; // Optional pipelineInfo.pColorBlendState = &colorBlending; pipelineInfo.pDynamicState = &dynamicState; pipelineInfo.layout = s.vk_pipeline_layout; pipelineInfo.renderPass = s.vk_render_pass; pipelineInfo.subpass = 0; pipelineInfo.basePipelineHandle = VK_NULL_HANDLE; // Optional pipelineInfo.basePipelineIndex = -1; // Optional if (vkCreateGraphicsPipelines(s.vk_device, VK_NULL_HANDLE, 1, &pipelineInfo, NULL, &s.vk_graphics_pipeline) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create graphics pipeline!\n"); } shaderc_result_release(vert_result); shaderc_result_release(frag_result); vkDestroyShaderModule(s.vk_device, fragShaderModule, NULL); vkDestroyShaderModule(s.vk_device, vertShaderModule, NULL); } void vulkan_create_render_pass() { VkAttachmentDescription colorAttachment = {0}; colorAttachment.format = s.vk_swap_chain_image_format; colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT; colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE; colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; VkAttachmentReference colorAttachmentRef = {0}; colorAttachmentRef.attachment = 0; colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; VkSubpassDescription subpass = {0}; subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; subpass.colorAttachmentCount = 1; subpass.pColorAttachments = &colorAttachmentRef; VkSubpassDependency dependency = {0}; dependency.srcSubpass = VK_SUBPASS_EXTERNAL; dependency.dstSubpass = 0; dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; dependency.srcAccessMask = 0; dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; VkRenderPassCreateInfo renderPassInfo = {0}; renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; renderPassInfo.attachmentCount = 1; renderPassInfo.pAttachments = &colorAttachment; renderPassInfo.subpassCount = 1; renderPassInfo.pSubpasses = &subpass; renderPassInfo.dependencyCount = 1; renderPassInfo.pDependencies = &dependency; if (vkCreateRenderPass(s.vk_device, &renderPassInfo, NULL, &s.vk_render_pass) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create render pass!\n"); } } void vulkan_create_framebuffers() { s.vk_swap_chain_framebuffers_count = s.vk_swap_chain_image_count; for (size_t i = 0; i < s.vk_swap_chain_image_count; i++) { VkImageView attachments[] = { s.vk_swap_chain_image_views[i] }; VkFramebufferCreateInfo framebufferInfo = {0}; framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; framebufferInfo.renderPass = s.vk_render_pass; framebufferInfo.attachmentCount = 1; framebufferInfo.pAttachments = attachments; framebufferInfo.width = s.vk_swap_chain_extent.width; framebufferInfo.height = s.vk_swap_chain_extent.height; framebufferInfo.layers = 1; if (vkCreateFramebuffer(s.vk_device, &framebufferInfo, NULL, &s.vk_swap_chain_framebuffers[i]) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create framebuffer!\n"); } } } void vulkan_create_command_pool() { QueueFamilyIndices queueFamilyIndices = vulkan_find_queue_families(s.vk_physical_device); VkCommandPoolCreateInfo poolInfo = {0}; poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily; if (vkCreateCommandPool(s.vk_device, &poolInfo, NULL, &s.vk_command_pool) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create command pool!\n"); } } void vulkan_create_command_buffer() { VkCommandBufferAllocateInfo allocInfo = {0}; allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; allocInfo.commandPool = s.vk_command_pool; allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; allocInfo.commandBufferCount = MAX_FRAMES_IN_FLIGHT; if (vkAllocateCommandBuffers(s.vk_device, &allocInfo, s.vk_command_buffers) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to allocate command buffers!\n"); } } void recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) { VkCommandBufferBeginInfo beginInfo = {0}; beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; beginInfo.flags = 0; // Optional beginInfo.pInheritanceInfo = NULL; // Optional if (vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to begin recording command buffer!\n"); } VkRenderPassBeginInfo renderPassInfo = {0}; renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; renderPassInfo.renderPass = s.vk_render_pass; renderPassInfo.framebuffer = s.vk_swap_chain_framebuffers[imageIndex]; renderPassInfo.renderArea.offset = (VkOffset2D){0, 0}; renderPassInfo.renderArea.extent = s.vk_swap_chain_extent; VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}}; renderPassInfo.clearValueCount = 1; renderPassInfo.pClearValues = &clearColor; // TODO DYNAMIC RENDERING /* VkRenderingAttachmentInfo colorAttachment = {}; */ /* colorAttachment.sType = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO; */ /* colorAttachment.imageView = s.vk_swap_chain_image_views[imageIndex]; */ /* colorAttachment.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; */ /* colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; */ /* colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE; */ /* //colorAttachment.clearValue.color = clearColor; */ /* VkRenderingInfo renderingInfo = {}; */ /* renderingInfo.sType = VK_STRUCTURE_TYPE_RENDERING_INFO; */ /* renderingInfo.renderArea = (VkRect2D){ {0, 0}, {(float)(s.vk_swap_chain_extent.width), (float)(s.vk_swap_chain_extent.height)} }; */ /* renderingInfo.layerCount = 1; */ /* renderingInfo.colorAttachmentCount = 1; */ /* renderingInfo.pColorAttachments = &colorAttachment; */ /* vkCmdBeginRendering(commandBuffer, &renderingInfo); */ /* .... */ /* vkCmdEndRendering(commandBuffer); */ vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, s.vk_graphics_pipeline); VkViewport viewport = {0}; viewport.x = 0.0f; viewport.y = 0.0f; viewport.width = (float)(s.vk_swap_chain_extent.width); viewport.height = (float)(s.vk_swap_chain_extent.height); viewport.minDepth = 0.0f; viewport.maxDepth = 1.0f; vkCmdSetViewport(commandBuffer, 0, 1, &viewport); VkRect2D scissor = {0}; scissor.offset = (VkOffset2D){0, 0}; scissor.extent = s.vk_swap_chain_extent; vkCmdSetScissor(commandBuffer, 0, 1, &scissor); VkBuffer vertexBuffers[] = {s.vk_vertex_buffer}; VkDeviceSize offsets[] = {0}; vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets); vkCmdBindIndexBuffer(commandBuffer, s.vk_index_buffer, 0, VK_INDEX_TYPE_UINT16); vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, s.vk_pipeline_layout, 0, 1, &s.vk_descriptor_sets[currentFrame], 0, NULL); vkCmdDrawIndexed(commandBuffer, INDICES_SIZE, 1, 0, 0, 0); vkCmdEndRenderPass(commandBuffer); if (vkEndCommandBuffer(commandBuffer) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to record command buffer!\n"); } } void vulkan_create_sync_objects() { VkSemaphoreCreateInfo semaphoreInfo = {0}; semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; VkFenceCreateInfo fenceInfo = {0}; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT; for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { if (vkCreateSemaphore(s.vk_device, &semaphoreInfo, NULL, &s.imageAvailableSemaphores[i]) != VK_SUCCESS || vkCreateSemaphore(s.vk_device, &semaphoreInfo, NULL, &s.renderFinishedSemaphores[i]) != VK_SUCCESS || vkCreateFence(s.vk_device, &fenceInfo, NULL, &s.inFlightFences[i]) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create semaphores!\n"); } } } uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties) { VkPhysicalDeviceMemoryProperties memProperties; vkGetPhysicalDeviceMemoryProperties(s.vk_physical_device, &memProperties); for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) { if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) { return i; } } vk_log(VK_ERROR, "failed to find suitable memory type!\n"); return 9999; } void createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer *buffer, VkDeviceMemory *bufferMemory) { VkBufferCreateInfo bufferInfo = {0}; bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; bufferInfo.size = size; bufferInfo.usage = usage; bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE; if (vkCreateBuffer(s.vk_device, &bufferInfo, NULL, buffer) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create buffer!\n"); } VkMemoryRequirements memRequirements; vkGetBufferMemoryRequirements(s.vk_device, *buffer, &memRequirements); VkMemoryAllocateInfo allocInfo = {0}; allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; allocInfo.allocationSize = memRequirements.size; allocInfo.memoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, properties); // TODO: allocations limited by hardware if (vkAllocateMemory(s.vk_device, &allocInfo, NULL, bufferMemory) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to allocate buffer memory!\n"); } vkBindBufferMemory(s.vk_device, *buffer, *bufferMemory, 0); } /* void */ /* vulkan_create_vertex_buffer() */ /* { */ /* VkDeviceSize bufferSize = sizeof(vertices[0]) * VERTICES_SIZE; */ /* createBuffer(bufferSize, */ /* VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, */ /* VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, */ /* &s.vk_vertex_buffer, &s.vk_vertex_buffer_memory); */ /* void* data; */ /* vkMapMemory(s.vk_device, s.vk_vertex_buffer_memory, 0, bufferSize, 0, &data); */ /* memcpy(data, vertices, (size_t) bufferSize); */ /* vkUnmapMemory(s.vk_device, s.vk_vertex_buffer_memory); */ /* } */ void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size) { VkCommandBufferAllocateInfo allocInfo = {0}; allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; allocInfo.commandPool = s.vk_command_pool; allocInfo.commandBufferCount = 1; VkCommandBuffer commandBuffer; vkAllocateCommandBuffers(s.vk_device, &allocInfo, &commandBuffer); VkCommandBufferBeginInfo beginInfo = {0}; beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; vkBeginCommandBuffer(commandBuffer, &beginInfo); VkBufferCopy copyRegion = {0}; copyRegion.srcOffset = 0; // Optional copyRegion.dstOffset = 0; // Optional copyRegion.size = size; vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, ©Region); vkEndCommandBuffer(commandBuffer); VkSubmitInfo submitInfo = {0}; submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submitInfo.commandBufferCount = 1; submitInfo.pCommandBuffers = &commandBuffer; vkQueueSubmit(s.vk_graphics_queue, 1, &submitInfo, VK_NULL_HANDLE); vkQueueWaitIdle(s.vk_graphics_queue); vkFreeCommandBuffers(s.vk_device, s.vk_command_pool, 1, &commandBuffer); } void vulkan_create_vertex_buffer() { VkDeviceSize bufferSize = sizeof(vertices[0]) * VERTICES_SIZE; VkBuffer stagingBuffer; VkDeviceMemory stagingBufferMemory; createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &stagingBuffer, &stagingBufferMemory); void* data; vkMapMemory(s.vk_device, stagingBufferMemory, 0, bufferSize, 0, &data); memcpy(data, vertices, (size_t) bufferSize); vkUnmapMemory(s.vk_device, stagingBufferMemory); createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &s.vk_vertex_buffer, &s.vk_vertex_buffer_memory); copyBuffer(stagingBuffer, s.vk_vertex_buffer, bufferSize); vkDestroyBuffer(s.vk_device, stagingBuffer, NULL); vkFreeMemory(s.vk_device, stagingBufferMemory, NULL); } void vulkan_create_index_buffer() { VkDeviceSize bufferSize = sizeof(indices[0]) * INDICES_SIZE; VkBuffer stagingBuffer; VkDeviceMemory stagingBufferMemory; createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &stagingBuffer, &stagingBufferMemory); void* data; vkMapMemory(s.vk_device, stagingBufferMemory, 0, bufferSize, 0, &data); memcpy(data, indices, (size_t) bufferSize); vkUnmapMemory(s.vk_device, stagingBufferMemory); createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &s.vk_index_buffer, &s.vk_index_buffer_memory); copyBuffer(stagingBuffer, s.vk_index_buffer, bufferSize); vkDestroyBuffer(s.vk_device, stagingBuffer, NULL); vkFreeMemory(s.vk_device, stagingBufferMemory, NULL); } void vulkan_create_descriptor_set_layout() { VkDescriptorSetLayoutBinding uboLayoutBinding = {0}; uboLayoutBinding.binding = 0; uboLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; uboLayoutBinding.descriptorCount = 1; uboLayoutBinding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT; uboLayoutBinding.pImmutableSamplers = NULL; // optional VkDescriptorSetLayoutCreateInfo layoutInfo = {0}; layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; layoutInfo.bindingCount = 1; layoutInfo.pBindings = &uboLayoutBinding; if (vkCreateDescriptorSetLayout(s.vk_device, &layoutInfo, NULL, &s.vk_descriptor_set_layout) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create descriptor set layout!\n"); } } void vulkan_create_uniform_buffers() { VkDeviceSize bufferSize = sizeof(UniformBufferObject); for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { createBuffer(bufferSize, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &s.vk_uniform_buffers[i], &s.vk_uniform_buffers_memory[i]); vkMapMemory(s.vk_device, s.vk_uniform_buffers_memory[i], 0, bufferSize, 0, &s.vk_uniform_buffers_mapped[i]); } } void vulkan_create_descriptor_pool() { VkDescriptorPoolSize poolSize = {0}; poolSize.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; poolSize.descriptorCount = MAX_FRAMES_IN_FLIGHT; VkDescriptorPoolCreateInfo poolInfo = {0}; poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; poolInfo.poolSizeCount = 1; poolInfo.pPoolSizes = &poolSize; poolInfo.maxSets = MAX_FRAMES_IN_FLIGHT; if (vkCreateDescriptorPool(s.vk_device, &poolInfo, NULL, &s.vk_descriptor_pool) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to create descriptor pool!\n"); } } void vulkan_create_descriptor_sets() { VkDescriptorSetLayout layouts[MAX_FRAMES_IN_FLIGHT] = {0}; for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { layouts[i] = s.vk_descriptor_set_layout; } VkDescriptorSetAllocateInfo allocInfo = {0}; allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; allocInfo.descriptorPool = s.vk_descriptor_pool; allocInfo.descriptorSetCount = MAX_FRAMES_IN_FLIGHT; allocInfo.pSetLayouts = layouts; if (vkAllocateDescriptorSets(s.vk_device, &allocInfo, s.vk_descriptor_sets) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to allocate descriptor sets!\n"); } for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { VkDescriptorBufferInfo bufferInfo = {0}; bufferInfo.buffer = s.vk_uniform_buffers[i]; bufferInfo.offset = 0; bufferInfo.range = sizeof(UniformBufferObject); VkWriteDescriptorSet descriptorWrite = {0}; descriptorWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; descriptorWrite.dstSet = s.vk_descriptor_sets[i]; descriptorWrite.dstBinding = 0; descriptorWrite.dstArrayElement = 0; descriptorWrite.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; descriptorWrite.descriptorCount = 1; descriptorWrite.pBufferInfo = &bufferInfo; descriptorWrite.pImageInfo = NULL; // Optional descriptorWrite.pTexelBufferView = NULL; // Optional vkUpdateDescriptorSets(s.vk_device, 1, &descriptorWrite, 0, NULL); } } void init_vulkan() { vk_log(VK_WARN, "====================================\n"); vk_log(VK_WARN, " DEBUG ON \n"); vk_log(VK_WARN, "====================================\n"); vulkan_create_instance(); // vulkan_setup_debug_messenger(); vulkan_create_surface(); vulkan_pick_physical_device(); vulkan_create_logical_device(); vulkan_create_swap_chain(); vulkan_create_image_views(); vulkan_create_render_pass(); vulkan_create_descriptor_set_layout(); vulkan_create_graphics_pipeline(); vulkan_create_framebuffers(); vulkan_create_command_pool(); vulkan_create_vertex_buffer(); vulkan_create_index_buffer(); vulkan_create_uniform_buffers(); vulkan_create_descriptor_pool(); vulkan_create_descriptor_sets(); vulkan_create_command_buffer(); vulkan_create_sync_objects(); } void cleanupSwapChain() { for (size_t i = 0; i < s.vk_swap_chain_image_count; i++) { vkDestroyFramebuffer(s.vk_device, s.vk_swap_chain_framebuffers[i], NULL); } for (uint32_t i = 0; i < s.vk_swap_chain_image_count; i++) { vkDestroyImageView(s.vk_device, s.vk_swap_chain_image_views[i], NULL); } vkDestroySwapchainKHR(s.vk_device, s.vk_swap_chain, NULL); } void recreateSwapChain() { vkDeviceWaitIdle(s.vk_device); cleanupSwapChain(); vulkan_create_swap_chain(); vulkan_create_image_views(); vulkan_create_framebuffers(); } void close_vulkan() { vkDeviceWaitIdle(s.vk_device); // Cleanup for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { vkDestroySemaphore(s.vk_device, s.imageAvailableSemaphores[i], NULL); vkDestroySemaphore(s.vk_device, s.renderFinishedSemaphores[i], NULL); vkDestroyFence(s.vk_device, s.inFlightFences[i], NULL); } vkDestroyCommandPool(s.vk_device, s.vk_command_pool, NULL); cleanupSwapChain(); for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) { vkDestroyBuffer(s.vk_device, s.vk_uniform_buffers[i], NULL); vkFreeMemory(s.vk_device, s.vk_uniform_buffers_memory[i], NULL); } vkDestroyDescriptorPool(s.vk_device, s.vk_descriptor_pool, NULL); vkDestroyDescriptorSetLayout(s.vk_device, s.vk_descriptor_set_layout, NULL); vkDestroyBuffer(s.vk_device, s.vk_vertex_buffer, NULL); vkFreeMemory(s.vk_device, s.vk_vertex_buffer_memory, NULL); vkDestroyBuffer(s.vk_device, s.vk_index_buffer, NULL); vkFreeMemory(s.vk_device, s.vk_index_buffer_memory, NULL); vkDestroyPipeline(s.vk_device, s.vk_graphics_pipeline, NULL); vkDestroyRenderPass(s.vk_device, s.vk_render_pass, NULL); vkDestroyPipelineLayout(s.vk_device, s.vk_pipeline_layout, NULL); vkDestroyDevice(s.vk_device, NULL); vkDestroySurfaceKHR(s.vk_instance, s.vk_surface, NULL); /* if (enableValidationLayers) { */ /* DestroyDebugUtilsMessengerEXT(s.vk_instance, s.vk_debug_messenger, NULL); */ /* } */ vkDestroyInstance(s.vk_instance, NULL); } float current_time() { static struct timespec startTime; static int isStartTimeInitialized = 0; if (!isStartTimeInitialized) { clock_gettime(CLOCK_MONOTONIC, &startTime); isStartTimeInitialized = 1; } struct timespec currentTime; clock_gettime(CLOCK_MONOTONIC, ¤tTime); return (currentTime.tv_sec - startTime.tv_sec) + (currentTime.tv_nsec - startTime.tv_nsec) / 1e9f; } void updateUniformBuffer(uint32_t currentImage) { float time = current_time(); UniformBufferObject ubo = {0}; glm_mat4_identity(ubo.model); glm_rotate(ubo.model, glm_rad(100 * time * glm_rad(90.0f)), GLM_ZUP); vec3 eye = {1.0f + s.x, 1.0f + s.x, 1.0f + s.x}; // GLM_VEC3_ONE_INIT; vec3 center = GLM_VEC3_ZERO_INIT; vec3 up = {0.0f, 0.0f, 1.0f};//GLM_ZUP; glm_lookat(eye, center, up, ubo.view); float aspect = s.vk_swap_chain_extent.width / (float)s.vk_swap_chain_extent.height; glm_perspective(glm_rad(55.0f - s.zoom ), aspect, 0.1f, 100.0f, ubo.proj); // Inverting the Y axis for Vulkan ubo.proj[1][1] *= -1; memcpy(s.vk_uniform_buffers_mapped[currentImage], &ubo, sizeof(ubo)); } void draw_frame() { vkWaitForFences(s.vk_device, 1, &s.inFlightFences[currentFrame], VK_TRUE, UINT64_MAX); uint32_t imageIndex; VkResult result = vkAcquireNextImageKHR(s.vk_device, s.vk_swap_chain, UINT64_MAX, s.imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex); if (result == VK_ERROR_OUT_OF_DATE_KHR) { recreateSwapChain(); return; } else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) { vk_log(VK_ERROR, "failed to acquire swap chain image!\n"); } updateUniformBuffer(currentFrame); vkResetFences(s.vk_device, 1, &s.inFlightFences[currentFrame]); vkResetCommandBuffer(s.vk_command_buffers[currentFrame], 0); recordCommandBuffer(s.vk_command_buffers[currentFrame], imageIndex); VkSubmitInfo submitInfo = {0}; submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; VkSemaphore waitSemaphores[] = {s.imageAvailableSemaphores[currentFrame]}; VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT}; submitInfo.waitSemaphoreCount = 1; submitInfo.pWaitSemaphores = waitSemaphores; submitInfo.pWaitDstStageMask = waitStages; submitInfo.commandBufferCount = 1; submitInfo.pCommandBuffers = &s.vk_command_buffers[currentFrame]; VkSemaphore signalSemaphores[] = {s.renderFinishedSemaphores[currentFrame]}; submitInfo.signalSemaphoreCount = 1; submitInfo.pSignalSemaphores = signalSemaphores; if (vkQueueSubmit(s.vk_graphics_queue, 1, &submitInfo, s.inFlightFences[currentFrame]) != VK_SUCCESS) { vk_log(VK_ERROR, "failed to submit draw command buffer!\n"); } VkSwapchainKHR swapChains[] = {s.vk_swap_chain}; VkPresentInfoKHR presentInfo = {0}; presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; presentInfo.waitSemaphoreCount = 1; presentInfo.pWaitSemaphores = signalSemaphores; presentInfo.swapchainCount = 1; presentInfo.pSwapchains = swapChains; presentInfo.pImageIndices = &imageIndex; presentInfo.pResults = NULL; result = vkQueuePresentKHR(s.vk_present_queue, &presentInfo); if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) { recreateSwapChain(); } else if (result != VK_SUCCESS) { vk_log(VK_ERROR, "failed to present swap chain image!\n"); } currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT; } int main(int argc, char* args[]) { init_state(&s); if (!init()) { vk_log(VK_INFO, "Failed to initialize!\n"); } else { init_vulkan(); bool quit = false; /* VMA POC */ /* VmaVulkanFunctions vulkanFunctions = {0}; */ /* vulkanFunctions.vkGetInstanceProcAddr = &vkGetInstanceProcAddr; */ /* vulkanFunctions.vkGetDeviceProcAddr = &vkGetDeviceProcAddr; */ /* VmaAllocatorCreateInfo allocatorCreateInfo = {0}; */ /* allocatorCreateInfo.flags = VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT; */ /* allocatorCreateInfo.vulkanApiVersion = VK_API_VERSION_1_2; */ /* allocatorCreateInfo.physicalDevice = s.vk_physical_device; */ /* allocatorCreateInfo.device = s.vk_device; */ /* allocatorCreateInfo.instance = s.vk_instance; */ /* allocatorCreateInfo.pVulkanFunctions = &vulkanFunctions; */ /* VmaAllocator allocator; */ /* vmaCreateAllocator(&allocatorCreateInfo, &allocator); */ /* // Entire program... */ /* // At the end, don't forget to: */ /* vmaDestroyAllocator(allocator); */ // Game loop while (!quit) { handle_input(&quit); draw_frame(); //SDL_Delay(16); } close_vulkan(); } // Free resources and close SDL closeSDL(); return 0; }