moving files

.vscode/launch.json

@@ -1,20 +0,0 @@
-{
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-    {
-        "name": "(lldb) Launch",
-        "type": "cppdbg",
-        "request": "launch",
-        "program": "${workspaceFolder}/bin/RayTracer",
-        "args": [],
-        "stopAtEntry": false,
-        "cwd": "${workspaceFolder}/bin/",
-        "environment": [],
-        "externalConsole": false,
-        "MIMode": "lldb"
-    }
-    ]
-}

.vscode/settings.json

@@ -1,4 +0,0 @@
-{
-    "cmake.buildDirectory": "${workspaceFolder}/bin/",
-    "cmake.generator": ""
-}

CMakeLists.txt

@@ -11,6 +11,7 @@ set(CMAKE_TOOLCHAIN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/external/vcpkg/scripts/buil
 
 project(RayTracer)
 
+find_package(Vulkan REQUIRED)
 find_package(glew CONFIG REQUIRED)
 find_package(assimp CONFIG REQUIRED)
 find_package(glfw3 CONFIG REQUIRED)
@@ -20,14 +21,12 @@ find_package(imgui CONFIG REQUIRED)
 
 add_executable(RayTracer "")
 target_include_directories(RayTracer PUBLIC src/)
+target_link_libraries(RayTracer PUBLIC Vulkan::Vulkan)
+target_link_libraries(RayTracer PUBLIC Vulkan::Headers)
 target_link_libraries(RayTracer PUBLIC assimp::assimp)
 target_link_libraries(RayTracer PUBLIC glfw)
 target_link_libraries(RayTracer PUBLIC imgui::imgui)
-if(APPLE)
 target_link_libraries(RayTracer PUBLIC GLEW::GLEW)
-else()
-target_link_libraries(RayTracer PUBLIC GLEW::glew)
-endif()
 target_link_libraries(RayTracer PUBLIC glm::glm)
 target_link_libraries(RayTracer PUBLIC KTX::ktx)
 

src/CMakeLists.txt

@@ -3,8 +3,10 @@ target_sources(RayTracer
 		main.cpp
 		Minimal.h
 		ThreadPool.h
-		ThreadPool.cpp)
+		ThreadPool.cpp
+)
 
+add_subdirectory(gpu/)
 add_subdirectory(scene/)
 add_subdirectory(window/)
 add_subdirectory(util/)

src/gpu/CMakeLists.txt

@@ -0,0 +1,4 @@
+target_sources(RayTracer
+	PRIVATE
+		Renderer.h
+		Renderer.cpp)

src/gpu/Renderer.cpp

@@ -0,0 +1,57 @@
+#include "Renderer.h"
+
+Renderer::Renderer()
+    : instance(nullptr), physicalDevice(nullptr), device(nullptr), queue(nullptr), cmdPool(nullptr), cmdBuffers(nullptr),
+      descriptorLayout(nullptr), descriptorSet(nullptr), descriptorPool(nullptr), pipelineLayout(nullptr), rayGen(nullptr),
+      closestHit(nullptr), miss(nullptr), pipeline(nullptr)
+
+{
+  vk::ApplicationInfo appInfo("RayTracer", 1, "RayTracer", 1, VK_API_VERSION_1_3);
+  vk::InstanceCreateInfo instanceCreateInfo({}, &appInfo);
+  instance = Instance(context, instanceCreateInfo);
+  auto physicalDevices = PhysicalDevices(instance);
+  for (auto& dev : physicalDevices)
+  {
+    for (auto ext : dev.enumerateDeviceExtensionProperties())
+    {
+      if (std::strcmp(ext.extensionName, vk::KHRRayTracingPipelineExtensionName))
+      {
+        physicalDevice = dev;
+        break;
+      }
+    }
+  }
+  uint32_t computeQueueFamily = 0;
+  auto queueProps = physicalDevice.getQueueFamilyProperties();
+  for (uint32_t i = 0; i < queueProps.size(); ++i)
+  {
+    if (queueProps[i].queueFlags & vk::QueueFlagBits::eCompute)
+    {
+      computeQueueFamily = i;
+      break;
+    }
+  }
+  float queuePriority = 0.0f;
+  vk::DeviceQueueCreateInfo deviceQueueCreateInfo({}, computeQueueFamily, 1, &queuePriority);
+  vk::DeviceCreateInfo deviceCreateInfo({}, deviceQueueCreateInfo);
+  device = Device(physicalDevice, deviceCreateInfo);
+
+  vk::CommandPoolCreateInfo commandPoolCreateInfo({}, computeQueueFamily);
+  cmdPool = CommandPool(device, commandPoolCreateInfo);
+
+  // allocate a CommandBuffer from the CommandPool
+  vk::CommandBufferAllocateInfo commandBufferAllocateInfo(cmdPool, vk::CommandBufferLevel::ePrimary, 10);
+  cmdBuffers = vk::raii::CommandBuffers(device, commandBufferAllocateInfo);
+  
+  vk::DescriptorSetLayoutBinding descriptorSetLayoutBinding(0, vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex);
+  vk::DescriptorSetLayoutCreateInfo descriptorSetLayoutCreateInfo({}, descriptorSetLayoutBinding);
+  descriptorLayout = DescriptorSetLayout(device, descriptorSetLayoutCreateInfo);
+
+  // create a PipelineLayout using that DescriptorSetLayout
+  vk::PipelineLayoutCreateInfo pipelineLayoutCreateInfo({}, *descriptorLayout);
+  pipelineLayout = PipelineLayout(device, pipelineLayoutCreateInfo);
+}
+
+Renderer::~Renderer() {}
+
+void Renderer::render(Camera cam, RenderParameter param) {}

src/gpu/Renderer.h

@@ -0,0 +1,36 @@
+#pragma once
+#include "scene/Scene.h"
+#include <vulkan/vulkan.hpp>
+#include <vulkan/vulkan_raii.hpp>
+
+using namespace vk::raii;
+
+struct Renderer : public Scene
+{
+public:
+  Renderer();
+  virtual ~Renderer();
+
+private:
+  Context context;
+  Instance instance;
+  PhysicalDevice physicalDevice;
+  Device device;
+  Queue queue;
+
+  CommandPool cmdPool;
+  CommandBuffers cmdBuffers;
+
+  DescriptorSetLayout descriptorLayout;
+  DescriptorSet descriptorSet;
+  DescriptorPool descriptorPool;
+  PipelineLayout pipelineLayout;
+
+  ShaderModule rayGen;
+  ShaderModule closestHit;
+  ShaderModule miss;
+
+  Pipeline pipeline;
+
+  virtual void render(Camera cam, RenderParameter param);
+};

src/main.cpp

@@ -9,7 +9,7 @@ int main()
 {
     Scene scene;
     Window window(1920, 1080);
-    scene.render(
+    scene.startRender(
         Camera{
             .position = glm::vec3(10, 0, 0),
             .direction = glm::vec3(-1, 0, 0),

src/scene/Scene.cpp

@@ -1,22 +1,19 @@
 #include "Scene.h"
 #include "util/ModelLoader.h"
-#include <iostream>
 #include <chrono>
+#include <iostream>
 
 Scene::Scene()
 {
-  bvh.addModels(ModelLoader::loadModel("../cube.fbx"),
-               glm::mat4(glm::vec4(1.0f, 0.0f, 0.0f, 0.0f),
-                         glm::vec4(0.0f, 1.0f, 0.0f, 0.0f),
-                         glm::vec4(0.0f, 0.0f, 1.0f, 0.0f),
-                         glm::vec4(0.0f, 0.0f, 0.0f, 1.0f)));
+  bvh.addModels(ModelLoader::loadModel("../res/models/cube.fbx"), glm::mat4(glm::vec4(1.0f, 0.0f, 0.0f, 0.0f), glm::vec4(0.0f, 1.0f, 0.0f, 0.0f),
+                                                                 glm::vec4(0.0f, 0.0f, 1.0f, 0.0f), glm::vec4(0.0f, 0.0f, 0.0f, 1.0f)));
   bvh.generate();
 }
 
 Scene::~Scene() {}
 
 static bool firstTime = true;
-void Scene::render(Camera cam, RenderParameter params)
+void Scene::startRender(Camera cam, RenderParameter params)
 {
   if (!firstTime)
   {
@@ -29,9 +26,11 @@ void Scene::render(Camera cam, RenderParameter params)
   accumulator.clear();
   image.resize(params.width * params.height);
   accumulator.resize(params.width * params.height);
-    worker = std::thread(
-        [&, cam, params]()
-        {
+  worker = std::thread(&Scene::render, this, cam, params);
+}
+
+void Scene::render(Camera cam, RenderParameter params)
+{
   for (int samp = 0; samp < params.numSamples; ++samp)
   {
     if (pendingCancel)
@@ -44,10 +43,9 @@ void Scene::render(Camera cam, RenderParameter params)
           {
             for (int h = 0; h < params.height; ++h)
             {
-                              Ray r = Ray{
-                                .origin = glm::vec3(0.0f),
-                                .direction = glm::normalize(glm::vec3((float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX))
-                              };
+              Ray r = Ray{.origin = glm::vec3(0.0f),
+                          .direction = glm::normalize(
+                              glm::vec3((float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX, (float)std::rand() / RAND_MAX))};
               bvh.traceRay(r);
 
               accumulator[w + h * params.width] +=
@@ -61,5 +59,4 @@ void Scene::render(Camera cam, RenderParameter params)
     std::cout << std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << std::endl;
     std::memcpy(image.data(), accumulator.data(), accumulator.size() * sizeof(glm::vec3));
   }
-        });
 }

src/scene/Scene.h

@@ -15,10 +15,11 @@ class Scene
 {
   public:
     Scene();
-    ~Scene();
-    void render(Camera cam, RenderParameter params);
+    virtual ~Scene();
+    void startRender(Camera cam, RenderParameter params);
     constexpr const std::vector<glm::vec3>& getImage() const { return image; }
   private:
+    virtual void render(Camera cam, RenderParameter params);
     std::atomic_bool pendingCancel = false;
     ThreadPool threadPool;
     std::thread worker;

vcpkg.json

@@ -4,12 +4,12 @@
       "name": "imgui",
       "features": [ "glfw-binding", "opengl3-binding" ]
     },
+    "vulkan",
     "assimp",
     "ktx",
     "glfw3",
     "glew",
     "glm",
-    "stb",
     "fmt"
   ]
 }