221 lines
7.8 KiB
C++
221 lines
7.8 KiB
C++
#pragma once
|
|
#include <stdexcept>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include "../Base/Render/IRenderer.hpp"
|
|
#include "../Base/UI/IWindow.hpp"
|
|
#include "../Base/Logger.hpp"
|
|
#include "Context.hpp"
|
|
#include "Resources/ResourceManager.hpp"
|
|
#include "../Data/ReadOnlyAtomicArrayQueue.hpp"
|
|
#include "CommandHelper.hpp"
|
|
#include "../Base/EngineConfiguration.hpp"
|
|
|
|
namespace openVulkanoCpp
|
|
{
|
|
namespace Vulkan
|
|
{
|
|
struct WaitSemaphores
|
|
{
|
|
std::vector<vk::Semaphore> renderReady, renderComplete;
|
|
};
|
|
|
|
class Renderer : public IRenderer
|
|
{
|
|
Context context;
|
|
std::shared_ptr<spdlog::logger> logger;
|
|
std::vector<WaitSemaphores> waitSemaphores;
|
|
Scene::Scene* scene = nullptr;
|
|
std::ofstream perfFile;
|
|
ResourceManager resourceManager;
|
|
uint32_t currentImageId = -1;
|
|
std::vector<std::thread> threadPool;
|
|
std::vector<std::vector<CommandHelper>> commands;
|
|
std::vector<std::vector<vk::CommandBuffer>> submitBuffers;
|
|
VulkanShader* shader;
|
|
|
|
public:
|
|
Renderer() = default;
|
|
virtual ~Renderer() = default;
|
|
|
|
void Init(IGraphicsAppManager* graphicsAppManager, IWindow* window) override
|
|
{
|
|
logger = Logger::RENDER;
|
|
logger->info("Initializing Vulkan renderer ...");
|
|
IVulkanWindow* vulkanWindow = window->GetVulkanWindow();
|
|
if (!vulkanWindow)
|
|
{
|
|
logger->error("The provided window is not compatible with Vulkan.");
|
|
throw std::runtime_error("The provided window is not compatible with Vulkan.");
|
|
}
|
|
context.Init(graphicsAppManager, vulkanWindow);
|
|
for (int i = 0; i < context.swapChain.GetImageCount(); i++)
|
|
{
|
|
waitSemaphores.emplace_back();
|
|
waitSemaphores[i].renderComplete.push_back(context.device->device.createSemaphore({}));
|
|
waitSemaphores[i].renderReady.resize(2);
|
|
}
|
|
resourceManager.Init(&context, context.swapChain.GetImageCount());
|
|
threadPool.resize(EngineConfiguration::GetEngineConfiguration()->GetNumThreads() - 1);
|
|
|
|
//Setup cmd pools and buffers
|
|
commands.resize(threadPool.size() + 2); // One extra cmd object for the primary buffer and one for the main thread
|
|
for(uint32_t i = 0; i < commands.size(); i++)
|
|
{
|
|
commands[i] = std::vector<CommandHelper>(context.swapChain.GetImageCount());
|
|
for(size_t j = 0; j < commands[i].size(); j++)
|
|
{
|
|
commands[i][j].Init(context.device->device, context.device->queueIndices.GetGraphics(),
|
|
(i == commands.size() - 1) ? vk::CommandBufferLevel::ePrimary : vk::CommandBufferLevel::eSecondary);
|
|
}
|
|
}
|
|
submitBuffers.resize(context.swapChain.GetImageCount());
|
|
for(uint32_t i = 0; i < submitBuffers.size(); i++)
|
|
{
|
|
submitBuffers[i].resize(commands.size() - 1);
|
|
for (size_t j = 0; j < submitBuffers[i].size(); j++)
|
|
{
|
|
submitBuffers[i][j] = commands[j][i].cmdBuffer;
|
|
}
|
|
}
|
|
|
|
shader = resourceManager.CreateShader(scene->shader);
|
|
|
|
perfFile.open("perf.csv");
|
|
perfFile << "sep=,\ntotal,fps\n";
|
|
|
|
logger->info("Vulkan renderer initialized");
|
|
}
|
|
|
|
void Tick() override
|
|
{
|
|
currentImageId = context.swapChain.AcquireNextImage();
|
|
auto tickStart= std::chrono::high_resolution_clock::now();
|
|
|
|
Render();
|
|
|
|
// Perf logging
|
|
auto tickDone = std::chrono::high_resolution_clock::now();
|
|
auto time = std::chrono::duration_cast<std::chrono::microseconds>(tickDone - tickStart).count();
|
|
perfFile << time << ',' << 1000000000.0 / time << '\n';
|
|
}
|
|
|
|
void Close() override
|
|
{
|
|
perfFile.close();
|
|
//context.Close();
|
|
}
|
|
|
|
std::string GetMainRenderDeviceName() override
|
|
{
|
|
return (context.device) ? context.device->GetDeviceName() : "Unknown";
|
|
}
|
|
|
|
void Resize(const uint32_t newWidth, const uint32_t newHeight) override
|
|
{
|
|
context.Resize(newWidth, newHeight);
|
|
resourceManager.Resize();
|
|
}
|
|
|
|
void SetScene(Scene::Scene* scene) override
|
|
{
|
|
this->scene = scene;
|
|
}
|
|
|
|
Scene::Scene* GetScene() override
|
|
{
|
|
return scene;
|
|
}
|
|
|
|
CommandHelper* GetCommandData(uint32_t poolId)
|
|
{
|
|
return &commands[poolId][currentImageId];
|
|
}
|
|
|
|
static void RunThread(Renderer* renderer, Data::ReadOnlyAtomicArrayQueue<Scene::Drawable*>* jobQueue, uint32_t id)
|
|
{
|
|
renderer->RecordSecondaryBuffer(jobQueue, id);
|
|
}
|
|
|
|
void StartThreads(Data::ReadOnlyAtomicArrayQueue<Scene::Drawable*>* jobQueue)
|
|
{
|
|
for(uint32_t i = 0; i < threadPool.size(); i++)
|
|
{
|
|
threadPool[i] = std::thread(RunThread, this, jobQueue, i);
|
|
}
|
|
}
|
|
|
|
void RecordPrimaryBuffer()
|
|
{
|
|
CommandHelper* cmdHelper = GetCommandData(commands.size() - 1);
|
|
cmdHelper->Reset();
|
|
cmdHelper->cmdBuffer.begin(vk::CommandBufferBeginInfo(vk::CommandBufferUsageFlagBits::eOneTimeSubmit));
|
|
context.swapChainRenderPass.Begin(cmdHelper->cmdBuffer);
|
|
}
|
|
|
|
void Submit()
|
|
{
|
|
for (auto& thread : threadPool) { thread.join(); } // Wait till everything is recorded
|
|
CommandHelper* cmdHelper = GetCommandData(commands.size() - 1);
|
|
cmdHelper->cmdBuffer.executeCommands(submitBuffers[currentImageId].size(), submitBuffers[currentImageId].data());
|
|
context.swapChainRenderPass.End(cmdHelper->cmdBuffer);
|
|
cmdHelper->cmdBuffer.end();
|
|
std::array<vk::PipelineStageFlags, 2> stateFlags = { vk::PipelineStageFlags(vk::PipelineStageFlagBits::eColorAttachmentOutput), vk::PipelineStageFlags(vk::PipelineStageFlagBits::eColorAttachmentOutput) };
|
|
waitSemaphores[currentImageId].renderReady[0] = resourceManager.EndFrame();
|
|
waitSemaphores[currentImageId].renderReady[1] = context.swapChain.imageAvailableSemaphore;
|
|
vk::SubmitInfo si = vk::SubmitInfo(
|
|
waitSemaphores[currentImageId].renderReady.size(), waitSemaphores[currentImageId].renderReady.data(), stateFlags.data(),
|
|
1, &cmdHelper->cmdBuffer,
|
|
waitSemaphores[currentImageId].renderComplete.size(), waitSemaphores[currentImageId].renderComplete.data());
|
|
context.device->graphicsQueue.submit(1, &si, context.swapChain.GetCurrentSubmitFence());
|
|
context.swapChain.Present(context.device->graphicsQueue, waitSemaphores[currentImageId].renderComplete);
|
|
}
|
|
|
|
void Render()
|
|
{
|
|
resourceManager.StartFrame(currentImageId);
|
|
Data::ReadOnlyAtomicArrayQueue<Scene::Drawable*> jobQueue(scene->shapeList);
|
|
StartThreads(&jobQueue);
|
|
RecordPrimaryBuffer();
|
|
RecordSecondaryBuffer(&jobQueue, threadPool.size());
|
|
Submit();
|
|
}
|
|
|
|
void RecordSecondaryBuffer(Data::ReadOnlyAtomicArrayQueue<Scene::Drawable*>* jobQueue, uint32_t poolId)
|
|
{
|
|
Scene::Geometry* lastGeo = nullptr;
|
|
Scene::Node* lastNode = nullptr;
|
|
CommandHelper* cmdHelper = GetCommandData(poolId);
|
|
cmdHelper->Reset();
|
|
vk::CommandBufferInheritanceInfo inheritance = { context.swapChainRenderPass.renderPass, 0, context.swapChainRenderPass.GetFrameBuffer()->GetCurrentFrameBuffer() };
|
|
cmdHelper->cmdBuffer.begin(vk::CommandBufferBeginInfo{ vk::CommandBufferUsageFlagBits::eOneTimeSubmit | vk::CommandBufferUsageFlagBits::eRenderPassContinue, &inheritance });
|
|
shader->Record(cmdHelper->cmdBuffer, currentImageId);
|
|
cmdHelper->cmdBuffer.pushConstants(context.pipeline.pipelineLayout, vk::ShaderStageFlagBits::eVertex, 0, 64, scene->GetCamera()->GetViewProjectionMatrixPointer());
|
|
Scene::Drawable** drawablePointer;
|
|
while((drawablePointer = jobQueue->Pop()) != nullptr)
|
|
{
|
|
Scene::Drawable* drawable = *drawablePointer;
|
|
Scene::Geometry* mesh = drawable->mesh;
|
|
if (mesh != lastGeo)
|
|
{
|
|
if (!mesh->renderGeo) resourceManager.PrepareGeometry(mesh);
|
|
dynamic_cast<VulkanGeometry*>(mesh->renderGeo)->Record(cmdHelper->cmdBuffer, currentImageId);
|
|
lastGeo = mesh;
|
|
}
|
|
for(Scene::Node* node : drawable->nodes)
|
|
{
|
|
if (node != lastNode)
|
|
{
|
|
if (!node->renderNode) resourceManager.PrepareNode(node);
|
|
dynamic_cast<VulkanNode*>(node->renderNode)->Record(cmdHelper->cmdBuffer, currentImageId);
|
|
lastNode = node;
|
|
}
|
|
cmdHelper->cmdBuffer.drawIndexed(mesh->GetIndexCount(), 1, 0, 0, 0);
|
|
}
|
|
}
|
|
cmdHelper->cmdBuffer.end();
|
|
}
|
|
};
|
|
}
|
|
}
|