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Renderer.cpp
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//
// Created by otrush on 2/27/2024.
//
#include "Renderer.hpp"
#include "Graphics/Abstraction/Descriptors/UBOStructs.hpp"
#include "Utility/Vulkan/InfoUtil.hpp"
#include <glm/gtx/string_cast.hpp>
namespace shift::gfx {
bool Renderer::Init() {
try {
m_context.instance = std::make_unique<shift::gfx::Instance>("TestApp", VK_MAKE_VERSION(1, 0, 0), "ShiftEngine",
VK_MAKE_VERSION(1, 0, 0));
m_backBuffer.windowSurface = std::make_unique<WindowSurface>(m_context.instance->Get(), m_window.GetHandle());
m_context.device = std::make_unique<shift::gfx::Device>(*m_context.instance, m_backBuffer.windowSurface->Get());
} catch (VulkanCreateResourceException &e) {
spdlog::error(e.what());
return false;
}
m_backBuffer.swapchain = std::make_unique<shift::gfx::Swapchain>(*m_context.device, *m_backBuffer.windowSurface, m_window.GetWidth(), m_window.GetHeight());
if (!m_backBuffer.swapchain->IsValid()) { return false;}
m_context.graphicsPool = std::make_unique<CommandPool>(*m_context.device, *m_context.instance, POOL_TYPE::GRAPHICS);
m_context.transferPool = std::make_unique<CommandPool>(*m_context.device, *m_context.instance, POOL_TYPE::TRANSFER);
m_bufferManager = std::make_unique<BufferManager>(*m_context.device);
m_samplerManager = std::make_unique<SamplerManager>(*m_context.device);
m_descriptorManager = std::make_unique<DescriptorManager>(*m_context.device);
if (!m_descriptorManager->AllocatePools()) {return false;}
m_textureManager = std::make_unique<TextureManager>(*m_context.device, *m_samplerManager, *m_context.graphicsPool, *m_context.transferPool, *m_descriptorManager);
m_modelManager = std::make_unique<ModelManager>(*m_context.device, *m_context.transferPool, *m_textureManager);
auto sphere = m_modelManager->LoadModel(shift::util::GetShiftRoot() + "Assets/Models/Sphere/sphere.glb");
/// Must be created before meshsystem
CreateDescriptors();
CreateSyncPrimitives();
m_RTManager = std::make_unique<RenderTargetManager>(*m_context.device, *m_samplerManager, *m_descriptorManager);
m_RTManager->CreateRenderTarget2D(m_window.GetWidth(), m_window.GetHeight(), VK_FORMAT_R16G16B16A16_SFLOAT, RenderTargetManager::HDR_BUFFER);
m_RTManager->CreateDepthTarget2D(m_window.GetWidth(), m_window.GetHeight(), m_context.device->FindSupportedDepthFormat(), RenderTargetManager::SWAPCHAIN_DEPTH);
m_meshSystem = std::make_unique<GeometrySystem>(*m_context.device, m_backBuffer, *m_samplerManager, *m_textureManager, *m_modelManager, *m_bufferManager, *m_descriptorManager, *m_RTManager, m_perViewIDs);
m_postProcessSystem = std::make_unique<PostProcessSystem>(*m_context.device, m_backBuffer, *m_samplerManager, *m_descriptorManager, *m_bufferManager, *m_RTManager);
m_lightSystem = std::make_unique<LightSystem>(*m_descriptorManager, *m_bufferManager, *m_meshSystem, sphere);
m_profilingSystem = std::make_unique<ProfilingSystem>(*m_context.device);
LoadScene();
ui::UIManager::GetInstance().CreateImGuiContext();
ui::UIManager::GetInstance().InitImGuiForVulkan(m_context, m_backBuffer, m_window, m_descriptorManager->GetImGuiPool());
return true;
}
bool Renderer::LoadScene() {
auto DefaultScullScene = [&]() {
auto skull = m_modelManager->LoadModel(shift::util::GetShiftRoot() + "Assets/Models/HumanSkull/scene.gltf");
if (!skull) { return false; }
m_meshSystem->AddInstance(MeshPass::PBR_Forward, Mobility::STATIC, skull,
glm::rotate(glm::scale(glm::translate(glm::mat4(1.0f), glm::vec3(0.0, 0.0f, -3.0f)), glm::vec3(1.0f)), glm::pi<float>(), glm::vec3(0, 1, 0)));
m_lightSystem->AddPointLight(glm::vec3(-2.0, 1.0, -2.0), glm::vec3(50.0, 0.0, 0.0));
m_lightSystem->AddPointLight(glm::vec3(2.0, 1.0, -2.0), glm::vec3(0.0, 0.0, 5.0));
m_lightSystem->AddPointLight(glm::vec3(0.0, -1.0, -1.0), glm::vec3(0.0, 5.0, 0.0));
m_lightSystem->AddPointLight(glm::vec3(0.0, 2.0, -2.0), glm::vec3(5.0, 5.0, 0.0));
m_lightSystem->AddDirectionalLight(glm::vec3(0.0, -1.0, -1.0), glm::vec3(5.0, 5.0, 5.0));
return true;
};
return DefaultScullScene();
}
bool Renderer::RenderFrame(const shift::gfx::EngineData &engineData) {
ui::UIManager::GetInstance().BeginFrame(m_currentFrame);
auto& buff = m_context.graphicsPool->RequestCommandBuffer(shift::gfx::BUFFER_TYPE::FLIGHT, m_currentFrame);
m_profilingSystem->ResetQueryPool(buff);
/// Aquire availible swapchain image index
bool aquireSuccess = true;
uint32_t imageIndex = AquireImage(&aquireSuccess);
if (imageIndex == UINT32_MAX) { return aquireSuccess; }
UpdateBuffers(engineData);
m_lightSystem->UpdateAllLights(m_currentFrame);
m_meshSystem->UpdateInstances(m_currentFrame);
m_profilingSystem->PutTimestamp(buff, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
buff.TransferImageLayout(m_RTManager->GetColorRT(RenderTargetManager::HDR_BUFFER).GetImage(), VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
buff.TransferImageLayout(m_RTManager->GetDepthRT(RenderTargetManager::SWAPCHAIN_DEPTH).GetImage(), VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT, true);
m_meshSystem->RenderForwardPasses(buff, imageIndex, m_currentFrame);
buff.TransferImageLayout(m_RTManager->GetColorRT(RenderTargetManager::HDR_BUFFER).GetImage(), VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
buff.TransferImageLayout(m_RTManager->GetDepthRT(RenderTargetManager::SWAPCHAIN_DEPTH).GetImage(), VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, true);
buff.TransferImageLayout(m_backBuffer.swapchain->GetImages()[imageIndex], VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
m_postProcessSystem->ToneMap(buff, imageIndex, m_currentFrame);
buff.TransferImageLayout(m_backBuffer.swapchain->GetImages()[imageIndex], VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT);
m_profilingSystem->PutTimestamp(buff, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT);
buff.EndCommandBuffer();
std::array<VkSemaphore, 1> waitSem{ m_imageAvailableSemaphores[m_currentFrame]->Get() };
std::array<VkSemaphore, 1> sigSem{ m_renderFinishedSemaphores[m_currentFrame]->Get() };
std::array<VkCommandBuffer, 1> cmdBuf{ buff.Get() };
std::array<VkPipelineStageFlags, 1> waitStages{ VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
if (!buff.Submit(info::CreateSubmitInfo(
waitSem,
sigSem,
cmdBuf,
waitStages.data()
))) { return false; }
m_profilingSystem->PollQueryPoolResults();
m_profilingSystem->UpdateProfileData(engineData.frameTimeMs);
if (!PresentFinalImage(imageIndex)) { return false; }
// Update the current frame
m_currentFrame = (m_currentFrame + 1) % shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT;
return true;
}
void Renderer::Cleanup() {
//! Wait for device to finish operations so we can clean everything properly
vkDeviceWaitIdle(m_context.device->Get());
ui::UIManager::GetInstance().Destroy();
m_backBuffer.swapchain.reset();
m_samplerManager.reset();
m_textureManager.reset();
m_RTManager.reset();
m_modelManager.reset();
m_bufferManager.reset();
m_profilingSystem.reset();
for (size_t i = 0; i < shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT; i++) {
m_imageAvailableSemaphores[i].reset();
m_renderFinishedSemaphores[i].reset();
}
m_meshSystem.reset();
m_postProcessSystem.reset();
m_descriptorManager.reset();
m_context.graphicsPool.reset();
m_context.transferPool.reset();
m_backBuffer.windowSurface.reset();
m_context.device.reset();
}
void Renderer::CreateDescriptors() {
m_descriptorManager->CreatePerFrameLayout(
{
{DescriptorType::UBO, 0, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT},
{DescriptorType::UBO, 1, VK_SHADER_STAGE_FRAGMENT_BIT}
}
);
m_descriptorManager->CreatePerViewLayout(
ViewSetLayoutType::DEFAULT_CAMERA,
{
{DescriptorType::UBO, 0, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT},
}
);
m_perViewIDs[ViewSetLayoutType::DEFAULT_CAMERA] = (m_descriptorManager->AllocatePerViewSet(ViewSetLayoutType::DEFAULT_CAMERA));
m_perFrameID = m_descriptorManager->AllocatePerFrameSet();
VkDeviceSize bufferSize = sizeof(PerDefaultView);
m_bufferManager->AllocateUBO(m_perViewIDs[ViewSetLayoutType::DEFAULT_CAMERA], bufferSize);
bufferSize = sizeof(PerFrame);
m_bufferManager->AllocateUBO(m_perFrameID, bufferSize);
for (uint32_t i = 0; i < shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT; ++i) {
auto& perFrameSet = m_descriptorManager->GetPerFrameSet(i);
auto& buff = m_bufferManager->GetUBO(m_perFrameID, i);
perFrameSet.UpdateUBO(0, buff.Get(), 0, buff.GetSize());
perFrameSet.ProcessUpdates();
auto& perViewSet = m_descriptorManager->GetPerViewSet(m_perViewIDs[ViewSetLayoutType::DEFAULT_CAMERA], i);
auto& buff2 = m_bufferManager->GetUBO(m_perViewIDs[ViewSetLayoutType::DEFAULT_CAMERA], i);
perViewSet.UpdateUBO(0, buff2.Get(), 0, buff2.GetSize());
perViewSet.ProcessUpdates();
}
}
void Renderer::UpdateBuffers(const EngineData& engineData) {
PerDefaultView pf{};
pf.view = engineData.viewMatrix;
pf.proj = engineData.projMatrix;
pf.viewInv = glm::inverse(engineData.viewMatrix);
pf.projInv = glm::inverse(engineData.projMatrix);
auto& b = m_bufferManager->GetUBO(m_perViewIDs[ViewSetLayoutType::DEFAULT_CAMERA], m_currentFrame);
b.Fill(&pf, sizeof(pf));
PerFrame pfr{};
pfr.camDirection = glm::vec4{engineData.camDirection, 0};
pfr.camPosition = glm::vec4{engineData.camPosition, 0};
pfr.camUp = glm::vec4{engineData.camUp, 0};
pfr.camRight = glm::vec4{engineData.camRight, 0};
pfr.windowData = glm::vec4{static_cast<float>(engineData.winWidth), static_cast<float>(engineData.winHeight), engineData.oneDivWinWidth, engineData.oneDivWinHeight};
pfr.timerData = glm::vec4{engineData.dt, engineData.fps, engineData.secondsSinceStart, 0};
auto& b1 = m_bufferManager->GetUBO(m_perFrameID, m_currentFrame);
b1.Fill(&pfr, sizeof(pfr));
}
void Renderer::CreateSyncPrimitives() {
m_imageAvailableSemaphores.resize(shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT);
m_renderFinishedSemaphores.resize(shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT);
for (size_t i = 0; i < shift::gutil::SHIFT_MAX_FRAMES_IN_FLIGHT; i++) {
m_imageAvailableSemaphores[i] = std::make_unique<shift::gfx::Semaphore>(*m_context.device);
m_renderFinishedSemaphores[i] = std::make_unique<shift::gfx::Semaphore>(*m_context.device);
}
}
bool Renderer::PresentFinalImage(uint32_t imageIndex) {
bool isOld = false;
bool success = m_backBuffer.swapchain->Present(*m_renderFinishedSemaphores[m_currentFrame], imageIndex, &isOld);
if (!success) { return false; }
if (isOld || m_window.ShouldProcessResize()) {
m_window.ProcessResize();
m_controller->UpdateScreenSize(static_cast<float>(m_window.GetWidth()), static_cast<float>(m_window.GetHeight()));
if (!m_backBuffer.swapchain->Recreate(m_window.GetWidth(), m_window.GetHeight())) { return false; }
m_RTManager->CreateRenderTarget2D(m_window.GetWidth(), m_window.GetHeight(), VK_FORMAT_R16G16B16A16_SFLOAT, RenderTargetManager::HDR_BUFFER);
m_RTManager->CreateDepthTarget2D(m_window.GetWidth(), m_window.GetHeight(), m_context.device->FindSupportedDepthFormat(), RenderTargetManager::SWAPCHAIN_DEPTH);
m_postProcessSystem->ProcessResize();
}
return true;
}
uint32_t Renderer::AquireImage(bool *success) {
bool changed = false;
uint32_t imageIndex = m_backBuffer.swapchain->AquireNextImageIndex(*m_imageAvailableSemaphores[m_currentFrame], &changed);
if (imageIndex == UINT32_MAX) {
*success = false;
} else if (changed) {
if (!m_backBuffer.swapchain->Recreate(m_window.GetWidth(), m_window.GetHeight())) {
*success = false;
}
m_RTManager->CreateRenderTarget2D(m_window.GetWidth(), m_window.GetHeight(), VK_FORMAT_R16G16B16A16_SFLOAT, RenderTargetManager::HDR_BUFFER);
m_RTManager->CreateDepthTarget2D(m_window.GetWidth(), m_window.GetHeight(), m_context.device->FindSupportedDepthFormat(), RenderTargetManager::SWAPCHAIN_DEPTH);
m_postProcessSystem->ProcessResize();
return UINT32_MAX;
}
return imageIndex;
}
} // shift::gfx