290 lines
10 KiB
C++
290 lines
10 KiB
C++
#include "vulkan_pipeline_utl.h"
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#include "vulkan_utl.h"
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#include "vulkan_framebuffer_utl.h"
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#include "vulkan_texture_utl.h"
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#include "vulkan_contructors.h"
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#include <X11/Xlib.h>
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#include <vulkan/vulkan_xlib.h>
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// use glfw for temporary swapchain window
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// todo: GET RID OF THIS, IT SOMEHOW INCLUDES GL!!!
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#include <GLFW/glfw3.h>
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#define GLFW_EXPOSE_NATIVE_X11
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#include <GLFW/glfw3native.h>
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// todo: REMOVE THIS. Why "simpliest triangle" demos even use this????
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// It does not "HELP" drawing 2D triangle!!! It is not useful in engines using own matrix transform code!
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#include <glm/gtc/matrix_transform.hpp>
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#define MAX_SWAPCHAIN_IMAGES 32
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struct Vertex
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{
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float position[3];
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float color[3];
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};
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struct GraphicsApplicationPipeline: BaseVulkanPipeline
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{
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void Init(VkDevice dev, VkRenderPass renderPass)
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{
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device = dev;
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CreateDescriptorSetLayout(
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BasicBinding(0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,1,VK_SHADER_STAGE_VERTEX_BIT)
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);
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CreatePool(1,
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BasicPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1)
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);
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VkShaderModule vp, fp;
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CreateGraphicsPipeline(renderPass,
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Stages(
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ShaderFromFile(vp, "triangle.vert.spv", VK_SHADER_STAGE_VERTEX_BIT),
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ShaderFromFile(fp, "triangle.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT)),
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VertexBindings(
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VertexBinding(0, sizeof(Vertex))
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),
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VertexAttributes(
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VertAttrib(0, 0, offsetof(Vertex,position)),
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VertAttrib(1, 0, offsetof(Vertex,color))
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),
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DynamicStates(
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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),
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DepthStencil(true, true)
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);
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vkDestroyShaderModule(device, vp, NULL);
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vkDestroyShaderModule(device, fp, NULL);
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}
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void UpdateDescriptors(VkDescriptorSet dstSet, const VkDescriptorBufferInfo &buffer)
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{
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WriteDescriptors(
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BufferWrite(dstSet, 0, buffer)
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);
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}
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};
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struct GraphicsApplication
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{
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VulkanContext context;
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VulkanDevice dev;
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GLFWwindow *window = NULL;
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VkSwapchainKHR swapchain;
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VkSurfaceKHR surface;
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VkImage swapchainImages[MAX_SWAPCHAIN_IMAGES];
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unsigned int numSwapchainImages;
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VulkanFramebuffer swapchainFbs[MAX_SWAPCHAIN_IMAGES];
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VkCommandBuffer commandBuffers[MAX_SWAPCHAIN_IMAGES];
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VkFence chainFences[MAX_SWAPCHAIN_IMAGES];
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VkSemaphore swapchainRenderSemaphore[MAX_SWAPCHAIN_IMAGES], swapchainPresentSemaphore[MAX_SWAPCHAIN_IMAGES];
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struct UBO
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{
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glm::mat4 transformationMatrix;
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};
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GraphicsApplicationPipeline graphicsPipeline;
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VkDescriptorSet descriptorSet;
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VulkanBuffer uboBuf;
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VulkanBuffer stagingVert;
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VulkanBuffer stagingInd;
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//VkFence swapchainFence;
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void CreateWindow(const char* windowTitle, int& outWidth, int& outHeight, bool resizable)
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{
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if (!glfwInit())
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return;
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
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// render full screen without overlapping taskbar
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GLFWmonitor* monitor = glfwGetPrimaryMonitor();
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window = glfwCreateWindow(outWidth, outHeight, windowTitle, nullptr, nullptr);
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if (!window) {
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glfwTerminate();
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return;
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}
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glfwGetWindowSize(window, &outWidth, &outHeight);
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glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int, int action, int) {
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if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {
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glfwSetWindowShouldClose(window, GLFW_TRUE);
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}
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});
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glfwSetErrorCallback([](int error, const char* description) { printf("GLFW Error (%i): %s\n", error, description); });
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}
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void DestroyWindow()
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{
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if(window)
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glfwDestroyWindow(window);
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glfwTerminate();
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}
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void CreateSwapchain(uint32_t width, uint32_t height)
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{
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VK_CHECK_RESULT(CallWith($M(VkXlibSurfaceCreateInfoKHR{VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR},
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$(dpy) = glfwGetX11Display(), $(window) = glfwGetX11Window(window)),
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vkCreateXlibSurfaceKHR(context.instance, &ref, nullptr, &surface)));
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CallWith($M(
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VkSwapchainCreateInfoKHR{VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR},
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$(surface) = surface, $(minImageCount) = 4,
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$(imageFormat) = VK_FORMAT_B8G8R8A8_UNORM,
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$(imageColorSpace) = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR,
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$(imageExtent) = VkExtent2D{width, height},
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$(imageArrayLayers),$(queueFamilyIndexCount),$(clipped),
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$(imageUsage) = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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$(pQueueFamilyIndices) = &dev.defaultFamilyIndex,
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$(preTransform) = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR,
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$(compositeAlpha) = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR,
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$(presentMode) = VK_PRESENT_MODE_FIFO_KHR),
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vkCreateSwapchainKHR(dev.device, &ref, nullptr, &swapchain));
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numSwapchainImages = MAX_SWAPCHAIN_IMAGES;
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VK_CHECK_RESULT(vkGetSwapchainImagesKHR(dev.device, swapchain, &numSwapchainImages, swapchainImages));
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VkSemaphoreCreateInfo semaphoreCreateInfo = {VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
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for(int i = 0; i < numSwapchainImages; i++)
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{
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swapchainFbs[i].Create(dev.device);
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swapchainFbs[i].CreateDepthAttachment(dev, VK_FORMAT_D32_SFLOAT, width, height);
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swapchainFbs[i].Init(swapchainImages[i], VK_FORMAT_B8G8R8A8_UNORM, width, height);
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VK_CHECK_RESULT(vkCreateSemaphore(dev.device, &semaphoreCreateInfo, nullptr, &swapchainPresentSemaphore[i]));
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VK_CHECK_RESULT(vkCreateSemaphore(dev.device, &semaphoreCreateInfo, nullptr, &swapchainRenderSemaphore[i]));
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}
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}
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unsigned int AcquireImage(int sem_index, VkFence fence = NULL)
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{
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unsigned int index;
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vkAcquireNextImageKHR(dev.device, swapchain, UINT64_MAX, swapchainRenderSemaphore[sem_index], fence, &index);
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return index;
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}
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void PresentImage(unsigned int index)
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{
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CallWith(PresentInfo(&swapchain, &index, &swapchainPresentSemaphore[index]),
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vkQueuePresentKHR(dev.defautQueue, &ref));
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}
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void DestroySwapchain()
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{
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for(int i = 0; i < numSwapchainImages; i++)
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{
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swapchainFbs[i].Destroy();
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vkDestroySemaphore(dev.device, swapchainPresentSemaphore[i], NULL);
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vkDestroySemaphore(dev.device, swapchainRenderSemaphore[i], NULL);
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}
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vkDestroySwapchainKHR(dev.device, swapchain, NULL);
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vkDestroySurfaceKHR(context.instance,surface,NULL);
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}
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// todo: NUKE THIS!!!
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void updateUniformData() {
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static unsigned int frameNum;
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// Rotate based on time
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long long millis = frameNum++;
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float angle = (millis % 400) / 400.0f * glm::radians(360.f);
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glm::mat4 modelMatrix = glm::identity<glm::mat4>();
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modelMatrix = glm::rotate(modelMatrix, angle, glm::vec3(0, 0, 1));
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//((UBO*)uboBuf.mapped)->transformationMatrix = modelMatrix;
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modelMatrix = glm::translate(modelMatrix, glm::vec3(0.5f / 3.0f, -0.5f / 3.0f, 0.0f));
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// Set up view
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auto viewMatrix = glm::lookAt(glm::vec3(1, 1, 1), glm::vec3(0, 0, 0), glm::vec3(0, 0, -1));
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// Set up projection
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auto projMatrix = glm::perspective(glm::radians(70.f), 800.0f / 600.0f, 0.1f, 10.0f);
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((UBO*)uboBuf.mapped)->transformationMatrix = projMatrix * viewMatrix * modelMatrix;
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}
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void waitFence(int chidx)
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{
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VK_CHECK_RESULT(vkWaitForFences(dev.device, 1, &chainFences[chidx], VK_TRUE, 100000000000));
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}
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void Run()
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{
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#ifndef NDEBUG
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#define ENABLE_VALIDATION_LAYERS 1
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#else
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#define ENABLE_VALIDATION_LAYERS 0
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#endif
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context.Create("streamingengine", "vulkan-playground-server", ENABLE_VALIDATION_LAYERS);
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dev.Create(context.FindPhysicalDevice(), VK_QUEUE_GRAPHICS_BIT);
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dev.CreateDevice(context);
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int width = 800;
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int height = 600;
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CreateWindow("demo", width, height, false);
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CreateSwapchain(width,height);
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dev.CreateAndMap(uboBuf, sizeof(UBO));
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graphicsPipeline.Init(dev.device, swapchainFbs[0].render_pass);
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descriptorSet = graphicsPipeline.AllocateSingleDescriptorSet();
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graphicsPipeline.UpdateDescriptors(descriptorSet, uboBuf.descriptor);
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updateUniformData();
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Vertex vertices[] = {
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{ { -0.5f, -0.5f, 0.0f }, { 1.0f, 0.0f, 0.0f } },
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{ { -0.5f, 0.5f, 0.0f }, { 0.0f, 1.0f, 0.0f } },
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{ { 0.5f, 0.5f, 0.0f }, { 0.0f, 0.0f, 1.0f } }
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};
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uint32_t indices[] = { 0, 1, 2 };
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dev.CreateBuffer(stagingVert, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, sizeof(vertices), vertices);
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dev.CreateBuffer(stagingInd, VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, sizeof(indices), indices);
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for(int i = 0; i < numSwapchainImages; i++)
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{
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commandBuffers[i] = dev.CreateCommandBuffer();
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//VulkanTexture::SetImageLayout(commandBuffers[i], swapchainImages[i], VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
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//vkCmdClearColorImage(commandBuffers[i], swapchainImages[i],VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, &color, 1, &range );
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swapchainFbs[i].BeginRenderPass(commandBuffers[i]);
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swapchainFbs[i].SetViewportAndScissor(commandBuffers[i]);
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vkCmdBindDescriptorSets(commandBuffers[i],VK_PIPELINE_BIND_POINT_GRAPHICS,graphicsPipeline.pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
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vkCmdBindPipeline(commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS,graphicsPipeline.pipeline);
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VkDeviceSize offset = 0;
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vkCmdBindVertexBuffers(commandBuffers[i],0, 1, &stagingVert.buffer, &offset);
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vkCmdBindIndexBuffer(commandBuffers[i], stagingInd.buffer, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(commandBuffers[i], 3, 1, 0, 0, 0);
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vkCmdEndRenderPass(commandBuffers[i]);
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VulkanTexture::SetImageLayout(commandBuffers[i], swapchainImages[i], VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
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vkEndCommandBuffer(commandBuffers[i]);
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VK_CHECK_RESULT(CallWith(FenceInfo(VK_FENCE_CREATE_SIGNALED_BIT),
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vkCreateFence(dev.device, &ref, NULL, &chainFences[i])));
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}
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uint32_t idx = 0;
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int sem_idx = 0;
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while(true)
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{
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updateUniformData();
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sem_idx = (sem_idx + 1) % numSwapchainImages;
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waitFence(sem_idx);
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idx = AcquireImage(sem_idx);
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VkPipelineStageFlags waitDstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
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vkResetFences(dev.device,1, &chainFences[sem_idx]);
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CallWith(
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SubmitInfo(
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commandBuffers[idx],$(waitSemaphoreCount), $(signalSemaphoreCount),
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$(pWaitSemaphores) = &swapchainRenderSemaphore[sem_idx],
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$(pSignalSemaphores) = &swapchainPresentSemaphore[idx],
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$(pWaitDstStageMask) = &waitDstStageMask),
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vkQueueSubmit(dev.defautQueue, 1, &ref, chainFences[sem_idx]));
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PresentImage(idx);
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}
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vkDeviceWaitIdle(dev.device);
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graphicsPipeline.Destroy();
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stagingVert.Destroy();
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stagingInd.Destroy();
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uboBuf.Destroy();
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DestroySwapchain();
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DestroyWindow();
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dev.Destroy();
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context.Destroy();
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}
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};
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int main()
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{
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GraphicsApplication app;
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app.Run();
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return EXIT_SUCCESS;
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}
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