diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 40b4d4d..354bad1 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -7,4 +7,5 @@ add_subdirectory(stencilTest) add_subdirectory(indexedTriangle) add_subdirectory(blending) add_subdirectory(depthTex) +add_subdirectory(MSAA) diff --git a/test/MSAA/CMakeLists.txt b/test/MSAA/CMakeLists.txt new file mode 100644 index 0000000..684ed4f --- /dev/null +++ b/test/MSAA/CMakeLists.txt @@ -0,0 +1,9 @@ +file(GLOB testSrc + "*.h" + "*.cpp" +) + +add_executable(MSAA ${testSrc} ) +target_compile_options(MSAA PRIVATE -Wall -std=c++11 -std=c11) + +target_link_libraries(MSAA vulkan) diff --git a/test/MSAA/MSAA.cpp b/test/MSAA/MSAA.cpp new file mode 100644 index 0000000..a329c1b --- /dev/null +++ b/test/MSAA/MSAA.cpp @@ -0,0 +1,1209 @@ +#include +#include +#include +#include +#include "driver/CustomAssert.h" + +#include + +#include "driver/vkExt.h" + +//#define GLFW_INCLUDE_VULKAN +//#define VK_USE_PLATFORM_WIN32_KHR +//#include + +//#define GLFW_EXPOSE_NATIVE_WIN32 +//#include + +//GLFWwindow * window; + +//#define WINDOW_WIDTH 640 +//#define WINDOW_HEIGHT 480 + +// Note: support swap chain recreation (not only required for resized windows!) +// Note: window resize may not result in Vulkan telling that the swap chain should be recreated, should be handled explicitly! +void run(); +void setupVulkan(); +void mainLoop(); +void cleanup(); +void createInstance(); +void createWindowSurface(); +void findPhysicalDevice(); +void checkSwapChainSupport(); +void findQueueFamilies(); +void createLogicalDevice(); +void createSemaphores(); +void createSwapChain(); +void createCommandQueues(); +void draw(); +void CreateRenderPass(); +void CreateFramebuffer(); +void CreateShaders(); +void CreatePipeline(); +void CreateUniformBuffer(); +void CreateDescriptorSet(); +void CreateVertexBuffer(); +void CreateTexture(); +void recordCommandBuffers(); +VkSurfaceFormatKHR chooseSurfaceFormat(const std::vector& availableFormats); +VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& surfaceCapabilities); +VkPresentModeKHR choosePresentMode(const std::vector presentModes); + +VkInstance instance; // +VkSurfaceKHR windowSurface; // +VkPhysicalDevice physicalDevice; +VkDevice device; // +VkSemaphore imageAvailableSemaphore; // +VkSemaphore renderingFinishedSemaphore; // +VkSwapchainKHR swapChain; // +VkCommandPool commandPool; // +std::vector presentCommandBuffers; // +std::vector swapChainImages; // +VkRenderPass renderPass; // +std::vector fbs; // +VkShaderModule shaderModule; // +VkPipeline pipeline; // +VkQueue graphicsQueue; +VkQueue presentQueue; +VkBuffer vertexBuffer; +VkDeviceMemory vertexBufferMemory; +VkPhysicalDeviceMemoryProperties pdmp; +std::vector views; //? +VkSurfaceFormatKHR swapchainFormat; +VkExtent2D swapChainExtent; +VkPipelineLayout pipelineLayout; + +uint32_t graphicsQueueFamily; +uint32_t presentQueueFamily; + +void cleanup() { + vkDeviceWaitIdle(device); + + // Note: this is done implicitly when the command pool is freed, but nice to know about + vkFreeCommandBuffers(device, commandPool, presentCommandBuffers.size(), presentCommandBuffers.data()); + vkDestroyCommandPool(device, commandPool, nullptr); + + vkDestroySemaphore(device, imageAvailableSemaphore, nullptr); + vkDestroySemaphore(device, renderingFinishedSemaphore, nullptr); + + for(int c = 0; c < views.size(); ++c) + vkDestroyImageView(device, views[c], 0); + + for (int c = 0; c < fbs.size(); ++c) + vkDestroyFramebuffer(device, fbs[c], 0); + + vkDestroyRenderPass(device, renderPass, 0); + + vkDestroyShaderModule(device, shaderModule, 0); + + vkDestroyPipeline(device, pipeline, 0); + + // Note: implicitly destroys images (in fact, we're not allowed to do that explicitly) + vkDestroySwapchainKHR(device, swapChain, nullptr); + + vkDestroyDevice(device, nullptr); + + vkDestroySurfaceKHR(instance, windowSurface, nullptr); + + vkDestroyInstance(instance, nullptr); +} + +void run() { + // Note: dynamically loading loader may be a better idea to fail gracefully when Vulkan is not supported + + // Create window for Vulkan + //glfwInit(); + + //glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + //glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); + + //window = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "The 630 line cornflower blue window", nullptr, nullptr); + + // Use Vulkan + setupVulkan(); + + mainLoop(); + + cleanup(); +} + +void setupVulkan() { + createInstance(); + findPhysicalDevice(); + createWindowSurface(); + checkSwapChainSupport(); + findQueueFamilies(); + createLogicalDevice(); + createSemaphores(); + createSwapChain(); + createCommandQueues(); + CreateRenderPass(); + CreateFramebuffer(); + CreateVertexBuffer(); + //CreateUniformBuffer(); + CreateShaders(); + CreatePipeline(); + recordCommandBuffers(); +} + +void mainLoop() { + //while (!glfwWindowShouldClose(window)) { + for(int c = 0; c < 300; ++c){ + draw(); + + //glfwPollEvents(); + } +} + +void createInstance() { + VkApplicationInfo appInfo = {}; + appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO; + appInfo.pApplicationName = "VulkanTriangle"; + appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0); + appInfo.pEngineName = "TriangleEngine"; + appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0); + appInfo.apiVersion = VK_API_VERSION_1_0; + + // Get instance extensions required by GLFW to draw to window + //unsigned int glfwExtensionCount; + //const char** glfwExtensions; + //glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount); + + // Check for extensions + uint32_t extensionCount = 0; + vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr); + + if (extensionCount == 0) { + std::cerr << "no extensions supported!" << std::endl; + assert(0); + } + + std::vector availableExtensions(extensionCount); + vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, availableExtensions.data()); + + std::cout << "supported extensions:" << std::endl; + + for (const auto& extension : availableExtensions) { + std::cout << "\t" << extension.extensionName << std::endl; + } + + const char* enabledExtensions[] = { + "VK_KHR_surface", + "VK_KHR_display" + }; + + VkInstanceCreateInfo createInfo = {}; + createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + createInfo.pNext = 0; + createInfo.pApplicationInfo = &appInfo; + createInfo.enabledExtensionCount = sizeof(enabledExtensions) / sizeof(const char*); + createInfo.ppEnabledExtensionNames = enabledExtensions; + createInfo.enabledLayerCount = 0; + createInfo.ppEnabledLayerNames = 0; + + // Initialize Vulkan instance + if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) { + std::cerr << "failed to create instance!" << std::endl; + assert(0); + } + else { + std::cout << "created vulkan instance" << std::endl; + } +} + +void createWindowSurface() { + PFN_vkCreateRpiSurfaceEXT vkCreateRpiSurfaceEXT = 0; + vkCreateRpiSurfaceEXT = (PFN_vkCreateRpiSurfaceEXT)vkGetInstanceProcAddr(instance, "vkCreateRpiSurfaceEXT"); + + windowSurface = 0; + + LoaderTrampoline* trampoline = (LoaderTrampoline*)physicalDevice; + VkRpiPhysicalDevice* realPhysicalDevice = trampoline->loaderTerminator->physicalDevice; + + VkRpiSurfaceCreateInfoEXT ci = {}; + ci.pSurface = &windowSurface; + + realPhysicalDevice->customData = (uintptr_t)&ci; + + if (vkCreateRpiSurfaceEXT(physicalDevice) != VK_SUCCESS) { + std::cerr << "failed to create window surface!" << std::endl; + assert(0); + } + + std::cout << "created window surface" << std::endl; +} + +void findPhysicalDevice() { + // Try to find 1 Vulkan supported device + // Note: perhaps refactor to loop through devices and find first one that supports all required features and extensions + uint32_t deviceCount = 1; + VkResult res = vkEnumeratePhysicalDevices(instance, &deviceCount, &physicalDevice); + if (res != VK_SUCCESS && res != VK_INCOMPLETE) { + std::cerr << "enumerating physical devices failed!" << std::endl; + assert(0); + } + + if (deviceCount == 0) { + std::cerr << "no physical devices that support vulkan!" << std::endl; + assert(0); + } + + std::cout << "physical device with vulkan support found" << std::endl; + + vkGetPhysicalDeviceMemoryProperties(physicalDevice, &pdmp); + + // Check device features + // Note: will apiVersion >= appInfo.apiVersion? Probably yes, but spec is unclear. + VkPhysicalDeviceProperties deviceProperties; + VkPhysicalDeviceFeatures deviceFeatures; + vkGetPhysicalDeviceProperties(physicalDevice, &deviceProperties); + vkGetPhysicalDeviceFeatures(physicalDevice, &deviceFeatures); + + uint32_t supportedVersion[] = { + VK_VERSION_MAJOR(deviceProperties.apiVersion), + VK_VERSION_MINOR(deviceProperties.apiVersion), + VK_VERSION_PATCH(deviceProperties.apiVersion) + }; + + std::cout << "physical device supports version " << supportedVersion[0] << "." << supportedVersion[1] << "." << supportedVersion[2] << std::endl; +} + +void checkSwapChainSupport() { + uint32_t extensionCount = 0; + vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, nullptr); + + if (extensionCount == 0) { + std::cerr << "physical device doesn't support any extensions" << std::endl; + assert(0); + } + + std::vector deviceExtensions(extensionCount); + vkEnumerateDeviceExtensionProperties(physicalDevice, nullptr, &extensionCount, deviceExtensions.data()); + + for (const auto& extension : deviceExtensions) { + if (strcmp(extension.extensionName, VK_KHR_SWAPCHAIN_EXTENSION_NAME) == 0) { + std::cout << "physical device supports swap chains" << std::endl; + return; + } + } + + std::cerr << "physical device doesn't support swap chains" << std::endl; + assert(0); +} + +void findQueueFamilies() { + // Check queue families + uint32_t queueFamilyCount = 0; + vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr); + + if (queueFamilyCount == 0) { + std::cout << "physical device has no queue families!" << std::endl; + assert(0); + } + + // Find queue family with graphics support + // Note: is a transfer queue necessary to copy vertices to the gpu or can a graphics queue handle that? + std::vector queueFamilies(queueFamilyCount); + vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilies.data()); + + std::cout << "physical device has " << queueFamilyCount << " queue families" << std::endl; + + bool foundGraphicsQueueFamily = false; + bool foundPresentQueueFamily = false; + + for (uint32_t i = 0; i < queueFamilyCount; i++) { + VkBool32 presentSupport = false; + vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, i, windowSurface, &presentSupport); + + if (queueFamilies[i].queueCount > 0 && queueFamilies[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) { + graphicsQueueFamily = i; + foundGraphicsQueueFamily = true; + + if (presentSupport) { + presentQueueFamily = i; + foundPresentQueueFamily = true; + break; + } + } + + if (!foundPresentQueueFamily && presentSupport) { + presentQueueFamily = i; + foundPresentQueueFamily = true; + } + } + + if (foundGraphicsQueueFamily) { + std::cout << "queue family #" << graphicsQueueFamily << " supports graphics" << std::endl; + + if (foundPresentQueueFamily) { + std::cout << "queue family #" << presentQueueFamily << " supports presentation" << std::endl; + } + else { + std::cerr << "could not find a valid queue family with present support" << std::endl; + assert(0); + } + } + else { + std::cerr << "could not find a valid queue family with graphics support" << std::endl; + assert(0); + } +} + +void createLogicalDevice() { + // Greate one graphics queue and optionally a separate presentation queue + float queuePriority = 1.0f; + + VkDeviceQueueCreateInfo queueCreateInfo[2] = {}; + + queueCreateInfo[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queueCreateInfo[0].queueFamilyIndex = graphicsQueueFamily; + queueCreateInfo[0].queueCount = 1; + queueCreateInfo[0].pQueuePriorities = &queuePriority; + + queueCreateInfo[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queueCreateInfo[0].queueFamilyIndex = presentQueueFamily; + queueCreateInfo[0].queueCount = 1; + queueCreateInfo[0].pQueuePriorities = &queuePriority; + + // Create logical device from physical device + // Note: there are separate instance and device extensions! + VkDeviceCreateInfo deviceCreateInfo = {}; + deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + deviceCreateInfo.pQueueCreateInfos = queueCreateInfo; + + if (graphicsQueueFamily == presentQueueFamily) { + deviceCreateInfo.queueCreateInfoCount = 1; + } + else { + deviceCreateInfo.queueCreateInfoCount = 2; + } + + const char* deviceExtensions = VK_KHR_SWAPCHAIN_EXTENSION_NAME; + deviceCreateInfo.enabledExtensionCount = 1; + deviceCreateInfo.ppEnabledExtensionNames = &deviceExtensions; + + if (vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &device) != VK_SUCCESS) { + std::cerr << "failed to create logical device" << std::endl; + assert(0); + } + + std::cout << "created logical device" << std::endl; + + // Get graphics and presentation queues (which may be the same) + vkGetDeviceQueue(device, graphicsQueueFamily, 0, &graphicsQueue); + vkGetDeviceQueue(device, presentQueueFamily, 0, &presentQueue); + + std::cout << "acquired graphics and presentation queues" << std::endl; +} + +void createSemaphores() { + VkSemaphoreCreateInfo createInfo = {}; + createInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; + + if (vkCreateSemaphore(device, &createInfo, nullptr, &imageAvailableSemaphore) != VK_SUCCESS || + vkCreateSemaphore(device, &createInfo, nullptr, &renderingFinishedSemaphore) != VK_SUCCESS) { + std::cerr << "failed to create semaphores" << std::endl; + assert(0); + } + else { + std::cout << "created semaphores" << std::endl; + } +} + +void createSwapChain() { + // Find surface capabilities + VkSurfaceCapabilitiesKHR surfaceCapabilities; + if (vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, windowSurface, &surfaceCapabilities) != VK_SUCCESS) { + std::cerr << "failed to acquire presentation surface capabilities" << std::endl; + assert(0); + } + + // Find supported surface formats + uint32_t formatCount; + if (vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, windowSurface, &formatCount, nullptr) != VK_SUCCESS || formatCount == 0) { + std::cerr << "failed to get number of supported surface formats" << std::endl; + assert(0); + } + + std::vector surfaceFormats(formatCount); + if (vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, windowSurface, &formatCount, surfaceFormats.data()) != VK_SUCCESS) { + std::cerr << "failed to get supported surface formats" << std::endl; + assert(0); + } + + // Find supported present modes + uint32_t presentModeCount; + if (vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, windowSurface, &presentModeCount, nullptr) != VK_SUCCESS || presentModeCount == 0) { + std::cerr << "failed to get number of supported presentation modes" << std::endl; + assert(0); + } + + std::vector presentModes(presentModeCount); + if (vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, windowSurface, &presentModeCount, presentModes.data()) != VK_SUCCESS) { + std::cerr << "failed to get supported presentation modes" << std::endl; + assert(0); + } + + // Determine number of images for swap chain + uint32_t imageCount = surfaceCapabilities.minImageCount + 1; + if (surfaceCapabilities.maxImageCount != 0 && imageCount > surfaceCapabilities.maxImageCount) { + imageCount = surfaceCapabilities.maxImageCount; + } + + std::cout << "using " << imageCount << " images for swap chain" << std::endl; + + // Select a surface format + swapchainFormat = chooseSurfaceFormat(surfaceFormats); + + // Select swap chain size + swapChainExtent = chooseSwapExtent(surfaceCapabilities); + + // Check if swap chain supports being the destination of an image transfer + // Note: AMD driver bug, though it would be nice to implement a workaround that doesn't use transfering + //if (!(surfaceCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)) { + // std::cerr << "swap chain image does not support VK_IMAGE_TRANSFER_DST usage" << std::endl; + //assert(0); + //} + + // Determine transformation to use (preferring no transform) + VkSurfaceTransformFlagBitsKHR surfaceTransform; + if (surfaceCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) { + surfaceTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; + } + else { + surfaceTransform = surfaceCapabilities.currentTransform; + } + + // Choose presentation mode (preferring MAILBOX ~= triple buffering) + VkPresentModeKHR presentMode = choosePresentMode(presentModes); + + // Finally, create the swap chain + VkSwapchainCreateInfoKHR createInfo = {}; + createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; + createInfo.surface = windowSurface; + createInfo.minImageCount = imageCount; + createInfo.imageFormat = swapchainFormat.format; + createInfo.imageColorSpace = swapchainFormat.colorSpace; + createInfo.imageExtent = swapChainExtent; + createInfo.imageArrayLayers = 1; + createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; + createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; + createInfo.queueFamilyIndexCount = 0; + createInfo.pQueueFamilyIndices = nullptr; + createInfo.preTransform = surfaceTransform; + createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; + createInfo.presentMode = presentMode; + createInfo.clipped = VK_TRUE; + createInfo.oldSwapchain = VK_NULL_HANDLE; + + if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) { + std::cerr << "failed to create swap chain" << std::endl; + assert(0); + } + else { + std::cout << "created swap chain" << std::endl; + } + + // Store the images used by the swap chain + // Note: these are the images that swap chain image indices refer to + // Note: actual number of images may differ from requested number, since it's a lower bound + uint32_t actualImageCount = 0; + if (vkGetSwapchainImagesKHR(device, swapChain, &actualImageCount, nullptr) != VK_SUCCESS || actualImageCount == 0) { + std::cerr << "failed to acquire number of swap chain images" << std::endl; + assert(0); + } + + swapChainImages.resize(actualImageCount); + views.resize(actualImageCount); + + if (vkGetSwapchainImagesKHR(device, swapChain, &actualImageCount, swapChainImages.data()) != VK_SUCCESS) { + std::cerr << "failed to acquire swap chain images" << std::endl; + assert(0); + } + + std::cout << "acquired swap chain images" << std::endl; +} + +VkSurfaceFormatKHR chooseSurfaceFormat(const std::vector& availableFormats) { + // We can either choose any format + if (availableFormats.size() == 1 && availableFormats[0].format == VK_FORMAT_UNDEFINED) { + return { VK_FORMAT_R8G8B8A8_UNORM, VK_COLORSPACE_SRGB_NONLINEAR_KHR }; + } + + // Or go with the standard format - if available + for (const auto& availableSurfaceFormat : availableFormats) { + if (availableSurfaceFormat.format == VK_FORMAT_R8G8B8A8_UNORM) { + return availableSurfaceFormat; + } + } + + // Or fall back to the first available one + return availableFormats[0]; +} + +VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& surfaceCapabilities) { + if (surfaceCapabilities.currentExtent.width == -1) { + VkExtent2D swapChainExtent = {}; + +#define min(a, b) (a < b ? a : b) +#define max(a, b) (a > b ? a : b) + swapChainExtent.width = min(max(640, surfaceCapabilities.minImageExtent.width), surfaceCapabilities.maxImageExtent.width); + swapChainExtent.height = min(max(480, surfaceCapabilities.minImageExtent.height), surfaceCapabilities.maxImageExtent.height); + + return swapChainExtent; + } + else { + return surfaceCapabilities.currentExtent; + } +} + +VkPresentModeKHR choosePresentMode(const std::vector presentModes) { + for (const auto& presentMode : presentModes) { + if (presentMode == VK_PRESENT_MODE_MAILBOX_KHR) { + return presentMode; + } + } + + // If mailbox is unavailable, fall back to FIFO (guaranteed to be available) + return VK_PRESENT_MODE_FIFO_KHR; +} + +void createCommandQueues() { + // Create presentation command pool + // Note: only command buffers for a single queue family can be created from this pool + VkCommandPoolCreateInfo poolCreateInfo = {}; + poolCreateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + poolCreateInfo.queueFamilyIndex = presentQueueFamily; + + if (vkCreateCommandPool(device, &poolCreateInfo, nullptr, &commandPool) != VK_SUCCESS) { + std::cerr << "failed to create command queue for presentation queue family" << std::endl; + assert(0); + } + else { + std::cout << "created command pool for presentation queue family" << std::endl; + } + + // Get number of swap chain images and create vector to hold command queue for each one + presentCommandBuffers.resize(swapChainImages.size()); + + // Allocate presentation command buffers + // Note: secondary command buffers are only for nesting in primary command buffers + VkCommandBufferAllocateInfo allocInfo = {}; + allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + allocInfo.commandPool = commandPool; + allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; + allocInfo.commandBufferCount = (uint32_t)swapChainImages.size(); + + if (vkAllocateCommandBuffers(device, &allocInfo, presentCommandBuffers.data()) != VK_SUCCESS) { + std::cerr << "failed to allocate presentation command buffers" << std::endl; + assert(0); + } + else { + std::cout << "allocated presentation command buffers" << std::endl; + } +} + +void recordCommandBuffers() +{ + // Prepare data for recording command buffers + VkCommandBufferBeginInfo beginInfo = {}; + beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + beginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT; + + // Note: contains value for each subresource range + VkClearColorValue clearColor = { + { 0.4f, 0.6f, 0.9f, 1.0f } // R, G, B, A + }; + VkClearValue clearValue = {}; + clearValue.color = clearColor; + + VkImageSubresourceRange subResourceRange = {}; + subResourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + subResourceRange.baseMipLevel = 0; + subResourceRange.levelCount = 1; + subResourceRange.baseArrayLayer = 0; + subResourceRange.layerCount = 1; + + VkRenderPassBeginInfo renderPassInfo = {}; + renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + renderPassInfo.renderPass = renderPass; + renderPassInfo.renderArea.offset.x = 0; + renderPassInfo.renderArea.offset.y = 0; + renderPassInfo.renderArea.extent.width = swapChainExtent.width; + renderPassInfo.renderArea.extent.height = swapChainExtent.height; + renderPassInfo.clearValueCount = 1; + renderPassInfo.pClearValues = &clearValue; + + VkViewport viewport = { 0 }; + viewport.height = (float)swapChainExtent.width; + viewport.width = (float)swapChainExtent.height; + viewport.minDepth = (float)0.0f; + viewport.maxDepth = (float)1.0f; + + VkRect2D scissor = { 0 }; + scissor.extent.width = swapChainExtent.width; + scissor.extent.height = swapChainExtent.height; + scissor.offset.x = 0; + scissor.offset.y = 0; + + // Record the command buffer for every swap chain image + for (uint32_t i = 0; i < swapChainImages.size(); i++) { + // Record command buffer + vkBeginCommandBuffer(presentCommandBuffers[i], &beginInfo); + + renderPassInfo.framebuffer = fbs[i]; + + vkCmdBeginRenderPass(presentCommandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE); + + vkCmdBindPipeline(presentCommandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline); + + //vkCmdSetViewport(presentCommandBuffers[i], 0, 1, &viewport); + + //vkCmdSetScissor(presentCommandBuffers[i], 0, 1, &scissor); + + VkDeviceSize offsets = 0; + vkCmdBindVertexBuffers(presentCommandBuffers[i], 0, 1, &vertexBuffer, &offsets ); + + float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff + float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f; + float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f; + float Zs = 0.5f; + + uint32_t pushConstants[4]; + pushConstants[0] = *(uint32_t*)&Wcoeff; + pushConstants[1] = *(uint32_t*)&viewportScaleX; + pushConstants[2] = *(uint32_t*)&viewportScaleY; + pushConstants[3] = *(uint32_t*)&Zs; + + vkCmdPushConstants(presentCommandBuffers[i], pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(pushConstants), &pushConstants); + + vkCmdDraw(presentCommandBuffers[i], 3, 1, 0, 0); + + vkCmdEndRenderPass(presentCommandBuffers[i]); + + if (vkEndCommandBuffer(presentCommandBuffers[i]) != VK_SUCCESS) { + std::cerr << "failed to record command buffer" << std::endl; + assert(0); + } + else { + std::cout << "recorded command buffer for image " << i << std::endl; + } + } +} + +void draw() { + // Acquire image + uint32_t imageIndex; + VkResult res = vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex); + + if (res != VK_SUCCESS && res != VK_SUBOPTIMAL_KHR) { + std::cerr << "failed to acquire image" << std::endl; + assert(0); + } + + std::cout << "acquired image" << std::endl; + + // Wait for image to be available and draw + VkSubmitInfo submitInfo = {}; + submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + + submitInfo.waitSemaphoreCount = 1; + submitInfo.pWaitSemaphores = &imageAvailableSemaphore; + + submitInfo.signalSemaphoreCount = 1; + submitInfo.pSignalSemaphores = &renderingFinishedSemaphore; + + submitInfo.commandBufferCount = 1; + submitInfo.pCommandBuffers = &presentCommandBuffers[imageIndex]; + + if (vkQueueSubmit(presentQueue, 1, &submitInfo, VK_NULL_HANDLE) != VK_SUCCESS) { + std::cerr << "failed to submit draw command buffer" << std::endl; + assert(0); + } + + std::cout << "submitted draw command buffer" << std::endl; + + // Present drawn image + // Note: semaphore here is not strictly necessary, because commands are processed in submission order within a single queue + VkPresentInfoKHR presentInfo = {}; + presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + presentInfo.waitSemaphoreCount = 1; + presentInfo.pWaitSemaphores = &renderingFinishedSemaphore; + + presentInfo.swapchainCount = 1; + presentInfo.pSwapchains = &swapChain; + presentInfo.pImageIndices = &imageIndex; + + res = vkQueuePresentKHR(presentQueue, &presentInfo); + + if (res != VK_SUCCESS) { + std::cerr << "failed to submit present command buffer" << std::endl; + assert(0); + } + + std::cout << "submitted presentation command buffer" << std::endl; +} + +void CreateRenderPass() +{ + VkAttachmentReference attachRef = {}; + attachRef.attachment = 0; + attachRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + + VkSubpassDescription subpassDesc = {}; + subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpassDesc.colorAttachmentCount = 1; + subpassDesc.pColorAttachments = &attachRef; + + VkAttachmentDescription attachDesc = {}; + attachDesc.format = swapchainFormat.format; //Todo + attachDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attachDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachDesc.initialLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + attachDesc.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + attachDesc.samples = VK_SAMPLE_COUNT_1_BIT; + + VkRenderPassCreateInfo renderPassCreateInfo = {}; + renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + renderPassCreateInfo.attachmentCount = 1; + renderPassCreateInfo.pAttachments = &attachDesc; + renderPassCreateInfo.subpassCount = 1; + renderPassCreateInfo.pSubpasses = &subpassDesc; + + VkResult res = vkCreateRenderPass(device, &renderPassCreateInfo, NULL, &renderPass); + + printf("Created a render pass\n"); +} + + +void CreateFramebuffer() +{ + fbs.resize(swapChainImages.size()); + + VkResult res; + + for (uint32_t i = 0; i < swapChainImages.size(); i++) { + VkImageViewCreateInfo ViewCreateInfo = {}; + ViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + ViewCreateInfo.image = swapChainImages[i]; + ViewCreateInfo.format = swapchainFormat.format; //Todo + ViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D; + ViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY; + ViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY; + ViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY; + ViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY; + ViewCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + ViewCreateInfo.subresourceRange.baseMipLevel = 0; + ViewCreateInfo.subresourceRange.levelCount = 1; + ViewCreateInfo.subresourceRange.baseArrayLayer = 0; + ViewCreateInfo.subresourceRange.layerCount = 1; + + res = vkCreateImageView(device, &ViewCreateInfo, NULL, &views[i]); + + VkFramebufferCreateInfo fbCreateInfo = {}; + fbCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + fbCreateInfo.renderPass = renderPass; + fbCreateInfo.attachmentCount = 1; + fbCreateInfo.pAttachments = &views[i]; + fbCreateInfo.width = swapChainExtent.width; + fbCreateInfo.height = swapChainExtent.height; + fbCreateInfo.layers = 1; + + res = vkCreateFramebuffer(device, &fbCreateInfo, NULL, &fbs[i]); + } + + printf("Frame buffers created\n"); +} + +void CreateShaders() +{ + char vs_asm_code[] = + ///0x40000000 = 2.0 + ///uni = 1.0 + ///rb0 = 2 - 1 = 1 + "sig_small_imm ; rx0 = fsub.ws.always(b, a, uni, 0x40000000) ; nop = nop(r0, r0) ;\n" + ///set up VPM read for subsequent reads + ///0x00201a00: 0000 0000 0010 0000 0001 1010 0000 0000 + ///addr: 0 + ///size: 32bit + ///packed + ///horizontal + ///stride=1 + ///vectors to read = 2 (how many components) + "sig_load_imm ; vr_setup = load32.always(0x00201a00) ; nop = load32.always() ;\n" + ///uni = viewportXScale + ///r0 = vpm * uni + "sig_none ; nop = nop(r0, r0, vpm_read, uni) ; r0 = fmul.always(a, b) ;\n" + ///r1 = r0 * rb0 (1) + "sig_none ; nop = nop(r0, r0, nop, rb0) ; r1 = fmul.always(r0, b) ;\n" + ///uni = viewportYScale + ///ra0.16a = int(r1), r2 = vpm * uni + "sig_none ; rx0.16a = ftoi.always(r1, r1, vpm_read, uni) ; r2 = fmul.always(a, b) ;\n" + ///r3 = r2 * rb0 + "sig_none ; nop = nop(r0, r0, nop, rb0) ; r3 = fmul.always(r2, b) ;\n" + ///ra0.16b = int(r3) + "sig_none ; rx0.16b = ftoi.always(r3, r3) ; nop = nop(r0, r0) ;\n" + ///set up VPM write for subsequent writes + ///0x00001a00: 0000 0000 0000 0000 0001 1010 0000 0000 + ///addr: 0 + ///size: 32bit + ///horizontal + ///stride = 1 + "sig_load_imm ; vw_setup = load32.always.ws(0x00001a00) ; nop = load32.always() ;\n" + ///shaded vertex format for PSE + /// Ys and Xs + ///vpm = ra0 + "sig_none ; vpm = or.always(a, a, ra0, nop) ; nop = nop(r0, r0);\n" + /// Zs + ///uni = 0.5 + ///vpm = uni + "sig_none ; vpm = or.always(a, a, uni, nop) ; nop = nop(r0, r0);\n" + /// 1.0 / Wc + ///vpm = rb0 (1) + "sig_none ; vpm = or.always(b, b, nop, rb0) ; nop = nop(r0, r0);\n" + ///END + "sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "\0"; + + char cs_asm_code[] = + ///uni = 1.0 + ///r3 = 2.0 - uni + "sig_small_imm ; r3 = fsub.always(b, a, uni, 0x40000000) ; nop = nop(r0, r0);\n" + "sig_load_imm ; vr_setup = load32.always(0x00201a00) ; nop = load32.always() ;\n" + ///r2 = vpm + "sig_none ; r2 = or.always(a, a, vpm_read, nop) ; nop = nop(r0, r0);\n" + "sig_load_imm ; vw_setup = load32.always.ws(0x00001a00) ; nop = load32.always() ;\n" + ///shaded coordinates format for PTB + /// write Xc + ///r1 = vpm, vpm = r2 + "sig_none ; r1 = or.always(a, a, vpm_read, nop) ; vpm = v8min.always(r2, r2);\n" + /// write Yc + ///uni = viewportXscale + ///vpm = r1, r2 = r2 * uni + "sig_none ; vpm = or.always(r1, r1, uni, nop) ; r2 = fmul.always(r2, a);\n" + ///uni = viewportYscale + ///r1 = r1 * uni + "sig_none ; nop = nop(r0, r0, uni, nop) ; r1 = fmul.always(r1, a);\n" + ///r0 = r2 * r3 + "sig_none ; nop = nop(r0, r0) ; r0 = fmul.always(r2, r3);\n" + ///ra0.16a = r0, r1 = r1 * r3 + "sig_none ; rx0.16a = ftoi.always(r0, r0) ; r1 = fmul.always(r1, r3) ;\n" + ///ra0.16b = r1 + "sig_none ; rx0.16b = ftoi.always(r1, r1) ; nop = nop(r0, r0) ;\n" + ///write Zc + ///vpm = 0 + "sig_small_imm ; vpm = or.always(b, b, nop, 0) ; nop = nop(r0, r0) ;\n" + ///write Wc + ///vpm = 1.0 + "sig_small_imm ; vpm = or.always(b, b, nop, 0x3f800000) ; nop = nop(r0, r0) ;\n" + ///write Ys and Xs + ///vpm = ra0 + "sig_none ; vpm = or.always(a, a, ra0, nop) ; nop = nop(r0, r0) ;\n" + ///write Zs + ///uni = 0.5 + ///vpm = uni + "sig_none ; vpm = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;\n" + ///write 1/Wc + ///vpm = r3 + "sig_none ; vpm = or.always(r3, r3) ; nop = nop(r0, r0) ;\n" + ///END + "sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n" + "\0"; + + //clever: use small immedate -1 interpreted as 0xffffffff (white) to set color to white + //"sig_small_imm ; tlb_color_all = or.always(b, b, nop, -1) ; nop = nop(r0, r0) ;" + + //8bit access + //abcd + //BGRA + + /** + //rainbow colors + char fs_asm_code[] = + "sig_none ; r1 = itof.always(a, a, x_pix, uni) ; r3 = v8min.always(b, b) ;" //can't use mul pipeline for conversion :( + "sig_load_imm ; r2 = load32.always(0x3a088888) ; nop = load32() ;" //1/1920 + "sig_none ; nop = nop(r0, r0) ; r2 = fmul.always(r2, r3);\n" + "sig_none ; r1 = itof.pm.always(b, b, x_pix, y_pix) ; r0.8c = fmul.always(r1, r2) ;" + "sig_load_imm ; r2 = load32.always(0x3a72b9d6) ; nop = load32() ;" //1/1080 + "sig_none ; nop = nop(r0, r0) ; r2 = fmul.always(r2, r3);\n" + "sig_none ; nop = nop.pm(r0, r0) ; r0.8b = fmul.always(r1, r2) ;" + "sig_small_imm ; nop = nop.pm(r0, r0, nop, 0) ; r0.8a = v8min.always(b, b) ;" + "sig_small_imm ; nop = nop.pm(r0, r0, nop, 1) ; r0.8d = v8min.always(b, b) ;" + "sig_none ; tlb_color_all = or.always(r0, r0) ; nop = nop(r0, r0) ;" + "sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "\0"; + /**/ + + /**/ + //display a color + char fs_asm_code[] = + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "sig_load_imm ; r0 = load32.always(0xffa14ccc) ; nop = load32() ;" + "sig_none ; tlb_color_all = or.always(r0, r0) ; nop = nop(r0, r0) ;" + "sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" + "\0"; + /**/ + + char* asm_strings[] = + { + (char*)cs_asm_code, (char*)vs_asm_code, (char*)fs_asm_code, 0 + }; + + VkRpiAssemblyMappingEXT mappings[] = { + //vertex shader uniforms + { + VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT, + VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type + 0, //descriptor set # + 0, //descriptor binding # + 0, //descriptor array element # + 0, //resource offset + VK_SHADER_STAGE_VERTEX_BIT + }, + { + VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT, + VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type + 0, //descriptor set # + 0, //descriptor binding # + 0, //descriptor array element # + 4, //resource offset + VK_SHADER_STAGE_VERTEX_BIT + }, + { + VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT, + VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type + 0, //descriptor set # + 0, //descriptor binding # + 0, //descriptor array element # + 8, //resource offset + VK_SHADER_STAGE_VERTEX_BIT + }, + { + VK_RPI_ASSEMBLY_MAPPING_TYPE_PUSH_CONSTANT, + VK_DESCRIPTOR_TYPE_MAX_ENUM, //descriptor type + 0, //descriptor set # + 0, //descriptor binding # + 0, //descriptor array element # + 12, //resource offset + VK_SHADER_STAGE_VERTEX_BIT + } + }; + + VkRpiShaderModuleAssemblyCreateInfoEXT shaderModuleCreateInfo = {}; + shaderModuleCreateInfo.asmStrings = asm_strings; + shaderModuleCreateInfo.mappings = mappings; + shaderModuleCreateInfo.numMappings = sizeof(mappings) / sizeof(VkRpiAssemblyMappingEXT); + shaderModuleCreateInfo.pShaderModule = &shaderModule; + + LoaderTrampoline* trampoline = (LoaderTrampoline*)physicalDevice; + VkRpiPhysicalDevice* realPhysicalDevice = trampoline->loaderTerminator->physicalDevice; + + realPhysicalDevice->customData = (uintptr_t)&shaderModuleCreateInfo; + + PFN_vkCreateShaderModuleFromRpiAssemblyEXT vkCreateShaderModuleFromRpiAssemblyEXT = (PFN_vkCreateShaderModuleFromRpiAssemblyEXT)vkGetInstanceProcAddr(instance, "vkCreateShaderModuleFromRpiAssemblyEXT"); + + VkResult res = vkCreateShaderModuleFromRpiAssemblyEXT(physicalDevice); + assert(shaderModule); +} + + +#define VERTEX_BUFFER_BIND_ID 0 + +void CreatePipeline() +{ + VkPushConstantRange pushConstantRanges[1]; + pushConstantRanges[0].offset = 0; + pushConstantRanges[0].size = 4 * 4; //4 * 32bits + pushConstantRanges[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + + VkPipelineLayoutCreateInfo pipelineLayoutCI = {}; + pipelineLayoutCI.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + pipelineLayoutCI.setLayoutCount = 0; + pipelineLayoutCI.pushConstantRangeCount = 1; + pipelineLayoutCI.pPushConstantRanges = &pushConstantRanges[0]; + vkCreatePipelineLayout(device, &pipelineLayoutCI, 0, &pipelineLayout); + + + VkPipelineShaderStageCreateInfo shaderStageCreateInfo[2] = {}; + + shaderStageCreateInfo[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + shaderStageCreateInfo[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + shaderStageCreateInfo[0].module = shaderModule; + shaderStageCreateInfo[0].pName = "main"; + shaderStageCreateInfo[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + shaderStageCreateInfo[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + shaderStageCreateInfo[1].module = shaderModule; + shaderStageCreateInfo[1].pName = "main"; + + VkVertexInputBindingDescription vertexInputBindingDescription = + { + 0, + sizeof(float) * 2, + VK_VERTEX_INPUT_RATE_VERTEX + }; + + VkVertexInputAttributeDescription vertexInputAttributeDescription = + { + 0, + 0, + VK_FORMAT_R32G32_SFLOAT, + 0 + }; + + VkPipelineVertexInputStateCreateInfo vertexInputInfo = {}; + vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertexInputInfo.vertexAttributeDescriptionCount = 1; + vertexInputInfo.pVertexAttributeDescriptions = &vertexInputAttributeDescription; + vertexInputInfo.vertexBindingDescriptionCount = 1; + vertexInputInfo.pVertexBindingDescriptions = &vertexInputBindingDescription; + + VkPipelineInputAssemblyStateCreateInfo pipelineIACreateInfo = {}; + pipelineIACreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + pipelineIACreateInfo.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkViewport vp = {}; + vp.x = 0.0f; + vp.y = 0.0f; + vp.width = (float)swapChainExtent.width; + vp.height = (float)swapChainExtent.height; + vp.minDepth = 0.0f; + vp.maxDepth = 1.0f; + + VkPipelineViewportStateCreateInfo vpCreateInfo = {}; + vpCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + vpCreateInfo.viewportCount = 1; + vpCreateInfo.pViewports = &vp; + + VkPipelineRasterizationStateCreateInfo rastCreateInfo = {}; + rastCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + rastCreateInfo.polygonMode = VK_POLYGON_MODE_FILL; + rastCreateInfo.cullMode = VK_CULL_MODE_NONE; + rastCreateInfo.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + rastCreateInfo.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo pipelineMSCreateInfo = {}; + pipelineMSCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + + VkPipelineColorBlendAttachmentState blendAttachState = {}; + blendAttachState.colorWriteMask = 0xf; + blendAttachState.blendEnable = false; + + VkPipelineColorBlendStateCreateInfo blendCreateInfo = {}; + blendCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blendCreateInfo.attachmentCount = 1; + blendCreateInfo.pAttachments = &blendAttachState; + + VkPipelineDepthStencilStateCreateInfo depthStencilState = {}; + depthStencilState.depthTestEnable = false; + depthStencilState.stencilTestEnable = false; + + VkGraphicsPipelineCreateInfo pipelineInfo = {}; + pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + pipelineInfo.stageCount = 2; + pipelineInfo.pStages = &shaderStageCreateInfo[0]; + pipelineInfo.pVertexInputState = &vertexInputInfo; + pipelineInfo.pInputAssemblyState = &pipelineIACreateInfo; + pipelineInfo.pViewportState = &vpCreateInfo; + pipelineInfo.pRasterizationState = &rastCreateInfo; + pipelineInfo.pMultisampleState = &pipelineMSCreateInfo; + pipelineInfo.pColorBlendState = &blendCreateInfo; + pipelineInfo.renderPass = renderPass; + pipelineInfo.basePipelineIndex = -1; + pipelineInfo.pDepthStencilState = &depthStencilState; + pipelineInfo.layout = pipelineLayout; + + VkResult res = vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, NULL, &pipeline); + + printf("Graphics pipeline created\n"); +} + +uint32_t getMemoryTypeIndex(VkPhysicalDeviceMemoryProperties deviceMemoryProperties, uint32_t typeBits, VkMemoryPropertyFlags properties) +{ + // Iterate over all memory types available for the device used in this example + for (uint32_t i = 0; i < deviceMemoryProperties.memoryTypeCount; i++) + { + if ((typeBits & 1) == 1) + { + if ((deviceMemoryProperties.memoryTypes[i].propertyFlags & properties) == properties) + { + return i; + } + } + typeBits >>= 1; + } + + assert(0); +} + +void CreateVertexBuffer() +{ + unsigned vboSize = sizeof(float) * 2 * 3; //3 x vec2 + + VkMemoryRequirements mr; + + { //create staging buffer + VkBufferCreateInfo ci = {}; + ci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + ci.size = vboSize; + ci.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + + VkResult res = vkCreateBuffer(device, &ci, 0, &vertexBuffer); + + vkGetBufferMemoryRequirements(device, vertexBuffer, &mr); + + VkMemoryAllocateInfo mai = {}; + mai.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + mai.allocationSize = mr.size; + mai.memoryTypeIndex = getMemoryTypeIndex(pdmp, mr.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT); + + res = vkAllocateMemory(device, &mai, 0, &vertexBufferMemory); + + float vertices[] = + { + -1, -1, + 1, -1, + 0, 1 + }; + + void* data; + res = vkMapMemory(device, vertexBufferMemory, 0, mr.size, 0, &data); + memcpy(data, vertices, vboSize); + vkUnmapMemory(device, vertexBufferMemory); + + res = vkBindBufferMemory(device, vertexBuffer, vertexBufferMemory, 0); + } + + printf("Vertex buffer created\n"); +} + +int main() { + // Note: dynamically loading loader may be a better idea to fail gracefully when Vulkan is not supported + + // Create window for Vulkan + //glfwInit(); + + //glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + //glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); + + //window = glfwCreateWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "The 630 line cornflower blue window", nullptr, nullptr); + + // Use Vulkan + setupVulkan(); + + mainLoop(); + + cleanup(); + + + return 0; +}