From cc4789a8b886fd3767976e1ed6701259218c89c5 Mon Sep 17 00:00:00 2001 From: Unknown <0.tamas.marton@gmail.com> Date: Fri, 20 Sep 2019 11:37:47 +0100 Subject: [PATCH] added varyings test --- test/CMakeLists.txt | 1 + test/triangle/triangle.cpp | 331 +--------- test/varyings/CMakeLists.txt | 9 + test/varyings/varyings.cpp | 1188 ++++++++++++++++++++++++++++++++++ 4 files changed, 1202 insertions(+), 327 deletions(-) create mode 100644 test/varyings/CMakeLists.txt create mode 100644 test/varyings/varyings.cpp diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 85d9979..af60109 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -1,3 +1,4 @@ add_subdirectory(clear) add_subdirectory(triangle) add_subdirectory(texturing) +add_subdirectory(varyings) diff --git a/test/triangle/triangle.cpp b/test/triangle/triangle.cpp index 978eb53..2272a95 100644 --- a/test/triangle/triangle.cpp +++ b/test/triangle/triangle.cpp @@ -67,22 +67,13 @@ VkShaderModule shaderModule; // VkPipeline pipeline; // VkQueue graphicsQueue; VkQueue presentQueue; -VkBuffer uniformBuffer; VkBuffer vertexBuffer; -VkDeviceMemory uniformBufferMemory; VkDeviceMemory vertexBufferMemory; VkPhysicalDeviceMemoryProperties pdmp; std::vector views; //? VkSurfaceFormatKHR swapchainFormat; VkExtent2D swapChainExtent; -VkDescriptorPool descriptorPool; -VkDescriptorSet descriptorSet; -VkDescriptorSetLayout dsl; VkPipelineLayout pipelineLayout; -VkImage textureImage; -VkDeviceMemory textureMemory; -VkSampler textureSampler; -VkImageView textureView; uint32_t graphicsQueueFamily; uint32_t presentQueueFamily; @@ -153,8 +144,6 @@ void setupVulkan() { CreateVertexBuffer(); //CreateUniformBuffer(); CreateShaders(); - CreateTexture(); - CreateDescriptorSet(); CreatePipeline(); recordCommandBuffers(); } @@ -660,8 +649,6 @@ void recordCommandBuffers() VkDeviceSize offsets = 0; vkCmdBindVertexBuffers(presentCommandBuffers[i], 0, 1, &vertexBuffer, &offsets ); - vkCmdBindDescriptorSets(presentCommandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, 0); - 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; @@ -675,11 +662,6 @@ void recordCommandBuffers() vkCmdPushConstants(presentCommandBuffers[i], pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(pushConstants), &pushConstants); - float modifier = i % 2 ? 1.0f : 0.5f; - uint32_t fragConstant = *(uint32_t*)&modifier; - - vkCmdPushConstants(presentCommandBuffers[i], pipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0, 4, &fragConstant); - vkCmdDraw(presentCommandBuffers[i], 3, 1, 0, 0); vkCmdEndRenderPass(presentCommandBuffers[i]); @@ -822,31 +804,6 @@ void CreateFramebuffer() void CreateShaders() { - /** - //write texture addresses (x, y) - //writing tmu0_s signals that all coordinates are written - 0xd0021e67159c0fc0 sig_small_imm mov tmu0_t, 0 ; nop nop, r0, r0 - 0xd0021e27159c0fc0 sig_small_imm mov tmu0_s, 0 ; nop nop, r0, r0 - //suspend thread (after 2 nops) to wait for TMU request to finish - 0x600009e7009e7000 sig_thread_switch nop nop, r0, r0 ; nop nop, r0, r0 - 0x100009e7009e7000 nop nop, r0, r0 ; nop nop, r0, r0 - 0x100009e7009e7000 nop nop, r0, r0 ; nop nop, r0, r0 - //read TMU0 request result to R4 - 0xa00009e7009e7000 load_tmu0 nop nop, r0, r0 ; nop nop, r0, r0 - //when thread has been awakened, MOV from R4 to R0 - 0x19020827049e7900 fmax r0, r4.8a, r4.8a ; nop nop, r0, r0 - 0x1b424860849e7900 fmax r1, r4.8b, r4.8b ; mov r0.8a, r0 - 0x1d5248a0849e7909 fmax r2, r4.8c, r4.8c ; mov r0.8b, r1 - 0x1f6248e0849e7912 fmax r3, r4.8d, r4.8d ; mov r0.8c, r2 - 0x117049e0809e701b nop nop, r0, r0 ; mov r0.8d, r3 - //write color to Tile Buffer - 0x10020ba7159e7000 mov tlb_color_all, r0 ; nop nop, r0, r0 - //program end - 0x300009e7009e7000 sig_end nop nop, r0, r0 ; nop nop, r0, r0 - 0x100009e7009e7000 nop nop, r0, r0 ; nop nop, r0, r0 - 0x500009e7009e7000 sig_unlock_score nop nop, r0, r0 ; nop nop, r0, r0 - /**/ - //TODO doesn't work for some reason... char vs_asm_code[] = ///0x40000000 = 2.0 @@ -971,7 +928,7 @@ void CreateShaders() "\0"; /**/ - /** + /**/ //display a color char fs_asm_code[] = "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" @@ -983,34 +940,6 @@ void CreateShaders() "\0"; /**/ - //sample texture - char fs_asm_code[] = - "sig_none ; r0 = itof.always(b, b, x_pix, y_pix) ; nop = nop(r0, r0) ;" - "sig_load_imm ; r2 = load32.always(0x3a72b9d6) ; nop = load32() ;" //1/1080 - "sig_none ; r0 = itof.always(a, a, x_pix, y_pix) ; r1 = fmul.always(r2, r0); ;" //r1 contains tex coord y - "sig_load_imm ; r2 = load32.always(0x3a088888) ; nop = load32() ;" //1/1920 - ///write texture addresses (x, y) - ///writing tmu0_s signals that all coordinates are written - "sig_none ; tmu0_t = or.always(r1, r1) ; r0 = fmul.always(r2, r0) ;" //r0 contains tex coord x - "sig_none ; tmu0_s = or.always(r0, r0) ; nop = nop(r0, r0) ;" - ///suspend thread (after 2 nops) to wait for TMU request to finish - "sig_thread_switch ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" - "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" - "sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" - ///read TMU0 request result to R4 - "sig_load_tmu0 ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;" - ///when thread has been awakened, MOV from R4 to R0 - "sig_none ; r0 = fmax.pm.always.8a(r4, r4) ; nop = nop(r0, r0) ;" - "sig_none ; r1 = fmax.pm.always.8b(r4, r4) ; r0.8a = v8min.always(r0, r0) ;" - "sig_none ; r2 = fmax.pm.always.8c(r4, r4) ; r0.8b = v8min.always(r1, r1) ;" - "sig_none ; r3 = fmax.pm.always.8d(r4, r4) ; r0.8c = v8min.always(r2, r2) ;" - "sig_none ; nop = nop.pm(r0, r0) ; r0.8d = v8min.always(r3, r3) ;" - "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 @@ -1053,16 +982,6 @@ void CreateShaders() 0, //descriptor array element # 12, //resource offset VK_SHADER_STAGE_VERTEX_BIT - }, - //fragment shader uniforms - { - VK_RPI_ASSEMBLY_MAPPING_TYPE_DESCRIPTOR, - VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, //descriptor type - 0, //descriptor set # - 0, //descriptor binding # - 0, //descriptor array element # - 0, //resource offset - VK_SHADER_STAGE_FRAGMENT_BIT } }; @@ -1080,20 +999,15 @@ void CreateShaders() void CreatePipeline() { - VkPushConstantRange pushConstantRanges[2]; + VkPushConstantRange pushConstantRanges[1]; pushConstantRanges[0].offset = 0; pushConstantRanges[0].size = 4 * 4; //4 * 32bits pushConstantRanges[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - pushConstantRanges[1].offset = 0; - pushConstantRanges[1].size = 4; //1 * 32bits - pushConstantRanges[1].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - VkPipelineLayoutCreateInfo pipelineLayoutCI = {}; pipelineLayoutCI.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - pipelineLayoutCI.setLayoutCount = 1; - pipelineLayoutCI.pSetLayouts = &dsl; - pipelineLayoutCI.pushConstantRangeCount = 2; + pipelineLayoutCI.setLayoutCount = 0; + pipelineLayoutCI.pushConstantRangeCount = 1; pipelineLayoutCI.pPushConstantRanges = &pushConstantRanges[0]; vkCreatePipelineLayout(device, &pipelineLayoutCI, 0, &pipelineLayout); @@ -1209,243 +1123,6 @@ uint32_t getMemoryTypeIndex(VkPhysicalDeviceMemoryProperties deviceMemoryPropert assert(0); } -//TODO use push constants instead, they map better to the hardware -void CreateUniformBuffer() -{ - /*unsigned uboSize = sizeof(float) * 4; //4 x float - - VkMemoryRequirements mr; - - { //create staging buffer - VkBufferCreateInfo ci = {}; - ci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - ci.size = uboSize; - ci.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; - - VkResult res = vkCreateBuffer(device, &ci, 0, &uniformBuffer); - - vkGetBufferMemoryRequirements(device, uniformBuffer, &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, &uniformBufferMemory); - - float uniforms[] = - { - 1.0f, - (float)(swapChainExtent.width) * 0.5f * 16.0f, - -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f, - 0.5f - }; - - void* data; - res = vkMapMemory(device, uniformBufferMemory, 0, mr.size, 0, &data); - memcpy(data, uniforms, uboSize); - vkUnmapMemory(device, uniformBufferMemory); - - res = vkBindBufferMemory(device, uniformBuffer, uniformBufferMemory, 0); - } - - printf("Uniform buffer created\n");*/ -} - -void CreateTexture() -{ - VkFormat format = VK_FORMAT_R8G8B8A8_UNORM; - - char texData[4 * 2 * 2] = - { - //r, g, b, a - 255, 0, 0, 255, 0, 0, 255, 255, - 0, 0, 255, 255, 255, 0, 0, 255 - - }; - - uint32_t width = 2, height = 2; - uint32_t mipLevels = 1; - - VkImageCreateInfo imageCreateInfo = {}; - imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - imageCreateInfo.pNext = 0; - imageCreateInfo.imageType = VK_IMAGE_TYPE_2D; - imageCreateInfo.format = format; - imageCreateInfo.mipLevels = mipLevels; - imageCreateInfo.arrayLayers = 1; - imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; - imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR; - imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT; - imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - imageCreateInfo.extent = { width, height, 1 }; - vkCreateImage(device, &imageCreateInfo, 0, &textureImage); - - VkMemoryRequirements mr; - vkGetImageMemoryRequirements(device, textureImage, &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); - - vkAllocateMemory(device, &mai, 0, &textureMemory); - - void* data; - vkMapMemory(device, textureMemory, 0, mr.size, 0, &data); - memcpy(data, texData, sizeof(texData)); - vkUnmapMemory(device, textureMemory); - - vkBindImageMemory(device, textureImage, textureMemory, 0); - - //TODO copy texture over to optimal layout - //vkCmdCopyBufferToImage(); - - { //transition image - VkCommandBufferAllocateInfo allocInfo = {}; - allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; - allocInfo.commandPool = commandPool; - allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; - allocInfo.commandBufferCount = 1; - - VkCommandBuffer copyCommandBuffer; - - vkAllocateCommandBuffers(device, &allocInfo, ©CommandBuffer); - - VkImageSubresourceRange subresourceRange = {}; - subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - subresourceRange.baseMipLevel = 0; - subresourceRange.levelCount = 1; - subresourceRange.layerCount = 1; - - VkImageMemoryBarrier imageMemoryBarrier = {}; - imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - imageMemoryBarrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT; - imageMemoryBarrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - imageMemoryBarrier.image = textureImage; - imageMemoryBarrier.subresourceRange = subresourceRange; - - VkCommandBufferBeginInfo beginInfo = {}; - beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; - beginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT; - - vkBeginCommandBuffer(copyCommandBuffer, &beginInfo); - - vkCmdPipelineBarrier(copyCommandBuffer, - VK_PIPELINE_STAGE_HOST_BIT, - VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, - 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier); - - //TODO - vkEndCommandBuffer(copyCommandBuffer); - - VkFenceCreateInfo fenceInfo = {}; - fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; - fenceInfo.flags = 0; - - VkFence fence; - vkCreateFence(device, &fenceInfo, 0, &fence); - - VkSubmitInfo submitInfo = {}; - submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; - submitInfo.commandBufferCount = 1; - submitInfo.pCommandBuffers = ©CommandBuffer; - - //TODO - vkQueueSubmit(graphicsQueue, 1, &submitInfo, fence); - - vkWaitForFences(device, 1, &fence, VK_TRUE, -1); - - vkDestroyFence(device, fence, 0); - vkFreeCommandBuffers(device, commandPool, 1, ©CommandBuffer); - } - - - VkSamplerCreateInfo sampler = {}; - sampler.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - sampler.pNext = 0; - sampler.magFilter = VK_FILTER_LINEAR; - sampler.minFilter = VK_FILTER_LINEAR; - sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - sampler.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - sampler.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - sampler.mipLodBias = 0.0f; - sampler.compareOp = VK_COMPARE_OP_NEVER; - sampler.minLod = 0.0f; - sampler.maxLod = 0.0f; - sampler.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK; - vkCreateSampler(device, &sampler, 0, &textureSampler); - - VkImageViewCreateInfo view = {}; - view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - view.pNext = 0; - view.viewType = VK_IMAGE_VIEW_TYPE_2D; - view.format = format; - view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A }; - view.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - view.subresourceRange.baseMipLevel = 0; - view.subresourceRange.baseArrayLayer = 0; - view.subresourceRange.layerCount = 1; - view.subresourceRange.levelCount = 1; - view.image = textureImage; - vkCreateImageView(device, &view, nullptr, &textureView); -} - -void CreateDescriptorSet() -{ - VkDescriptorSetLayoutBinding setLayoutBinding = {}; - setLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - setLayoutBinding.binding = 0; - setLayoutBinding.descriptorCount = 1; - setLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - - VkDescriptorSetLayoutCreateInfo descriptorLayoutCI = {}; - descriptorLayoutCI.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - descriptorLayoutCI.bindingCount = 1; - descriptorLayoutCI.pBindings = &setLayoutBinding; - - vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, 0, &dsl); - - VkDescriptorPoolSize descriptorPoolSize = {}; - descriptorPoolSize.descriptorCount = 1; - descriptorPoolSize.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - - VkDescriptorPoolCreateInfo descriptorPoolCI = {}; - descriptorPoolCI.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; - descriptorPoolCI.poolSizeCount = 1; - descriptorPoolCI.pPoolSizes = &descriptorPoolSize; - descriptorPoolCI.maxSets = 1; - - vkCreateDescriptorPool(device, &descriptorPoolCI, 0, &descriptorPool); - - VkDescriptorSetAllocateInfo allocInfo = {}; - allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - allocInfo.descriptorPool = descriptorPool; - allocInfo.descriptorSetCount = 1; - allocInfo.pSetLayouts = &dsl; - - vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet); - - VkDescriptorImageInfo imageInfo; - imageInfo.imageView = textureView; - imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - imageInfo.sampler = textureSampler; - - VkWriteDescriptorSet writeDescriptorSet = {}; - writeDescriptorSet.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - writeDescriptorSet.dstSet = descriptorSet; - writeDescriptorSet.dstBinding = 0; - writeDescriptorSet.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - writeDescriptorSet.pImageInfo = &imageInfo; - writeDescriptorSet.descriptorCount = 1; - - vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, 0); -} - void CreateVertexBuffer() { unsigned vboSize = sizeof(float) * 2 * 3; //3 x vec2 diff --git a/test/varyings/CMakeLists.txt b/test/varyings/CMakeLists.txt new file mode 100644 index 0000000..bcdbd04 --- /dev/null +++ b/test/varyings/CMakeLists.txt @@ -0,0 +1,9 @@ +file(GLOB testSrc + "*.h" + "*.cpp" +) + +add_executable(varyings ${testSrc} ) +target_compile_options(varyings PRIVATE -Wall -std=c++11 -std=c11) + +target_link_libraries(varyings vulkan-1-rpi) diff --git a/test/varyings/varyings.cpp b/test/varyings/varyings.cpp new file mode 100644 index 0000000..42f7c66 --- /dev/null +++ b/test/varyings/varyings.cpp @@ -0,0 +1,1188 @@ +#include +#include +#include +#include +#include "driver/CustomAssert.h" + +#include + +#include "driver/vkExt.h" + +#include "QPUassembler/qpu_assembler.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(); + createWindowSurface(); + findPhysicalDevice(); + 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; + } + + VkInstanceCreateInfo createInfo = {}; + createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + createInfo.pApplicationInfo = &appInfo; + //createInfo.enabledExtensionCount = glfwExtensionCount; + createInfo.enabledExtensionCount = 0; + //createInfo.ppEnabledExtensionNames = glfwExtensions; + createInfo.ppEnabledExtensionNames = 0; + 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() { + if (vkCreateRpiSurfaceEXT(instance, 0, 0, &windowSurface) != 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() +{ + + //TODO doesn't work for some reason... + 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" + /// Zc + ///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); + + VkResult res = vkCreateShaderModuleFromRpiAssemblyEXT(device, &shaderModuleCreateInfo, 0, &shaderModule); + 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 * 2 * 3; //3 x vec2 x 2 + + 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[] = + { // verts texcoords + -1, -1, 0, 0 + 1, -1, 1, 0 + 0, 1, 0.5, 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; +}