Files
XCEngine/engine/src/Rendering/Pipelines/BuiltinForwardPipeline.cpp

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33 KiB
C++

#include "Rendering/Pipelines/BuiltinForwardPipeline.h"
#include "Debug/Logger.h"
#include "Core/Asset/ResourceManager.h"
#include "RHI/RHICommandList.h"
#include "Rendering/Detail/ShaderVariantUtils.h"
#include "Rendering/Materials/RenderMaterialResolve.h"
#include "Rendering/RenderSurface.h"
#include "Resources/BuiltinResources.h"
#include <algorithm>
#include <cstddef>
#include <cmath>
namespace XCEngine {
namespace Rendering {
namespace Pipelines {
namespace Detail {
class BuiltinForwardOpaquePass final : public RenderPass {
public:
explicit BuiltinForwardOpaquePass(BuiltinForwardPipeline& pipeline)
: m_pipeline(pipeline) {
}
const char* GetName() const override {
return "BuiltinForwardOpaquePass";
}
bool Initialize(const RenderContext& context) override {
return m_pipeline.EnsureInitialized(context);
}
void Shutdown() override {
m_pipeline.DestroyPipelineResources();
}
bool Execute(const RenderPassContext& context) override {
return m_pipeline.ExecuteForwardOpaquePass(context);
}
private:
BuiltinForwardPipeline& m_pipeline;
};
class BuiltinForwardSkyboxPass final : public RenderPass {
public:
explicit BuiltinForwardSkyboxPass(BuiltinForwardPipeline& pipeline)
: m_pipeline(pipeline) {
}
const char* GetName() const override {
return "BuiltinForwardSkyboxPass";
}
bool Initialize(const RenderContext& context) override {
return m_pipeline.EnsureInitialized(context);
}
void Shutdown() override {
m_pipeline.DestroyPipelineResources();
}
bool Execute(const RenderPassContext& context) override {
return m_pipeline.ExecuteForwardSkyboxPass(context);
}
private:
BuiltinForwardPipeline& m_pipeline;
};
class BuiltinForwardTransparentPass final : public RenderPass {
public:
explicit BuiltinForwardTransparentPass(BuiltinForwardPipeline& pipeline)
: m_pipeline(pipeline) {
}
const char* GetName() const override {
return "BuiltinForwardTransparentPass";
}
bool Initialize(const RenderContext& context) override {
return m_pipeline.EnsureInitialized(context);
}
void Shutdown() override {
m_pipeline.DestroyPipelineResources();
}
bool Execute(const RenderPassContext& context) override {
return m_pipeline.ExecuteForwardTransparentPass(context);
}
private:
BuiltinForwardPipeline& m_pipeline;
};
} // namespace Detail
namespace {
bool IsDepthFormat(RHI::Format format) {
return format == RHI::Format::D24_UNorm_S8_UInt ||
format == RHI::Format::D32_Float;
}
const Resources::ShaderPass* FindCompatibleSkyboxPass(
const Resources::Shader& shader,
Resources::ShaderBackend backend) {
const Resources::ShaderPass* skyboxPass = shader.FindPass("Skybox");
if (skyboxPass != nullptr &&
::XCEngine::Rendering::Detail::ShaderPassHasGraphicsVariants(shader, skyboxPass->name, backend)) {
return skyboxPass;
}
if (shader.GetPassCount() > 0 &&
::XCEngine::Rendering::Detail::ShaderPassHasGraphicsVariants(shader, shader.GetPasses()[0].name, backend)) {
return &shader.GetPasses()[0];
}
return nullptr;
}
RHI::GraphicsPipelineDesc CreateSkyboxPipelineDesc(
RHI::RHIType backendType,
RHI::RHIPipelineLayout* pipelineLayout,
const Resources::Shader& shader,
const Containers::String& passName) {
RHI::GraphicsPipelineDesc pipelineDesc = {};
pipelineDesc.pipelineLayout = pipelineLayout;
pipelineDesc.topologyType = static_cast<uint32_t>(RHI::PrimitiveTopologyType::Triangle);
pipelineDesc.renderTargetCount = 1;
pipelineDesc.renderTargetFormats[0] = static_cast<uint32_t>(RHI::Format::R8G8B8A8_UNorm);
pipelineDesc.depthStencilFormat = static_cast<uint32_t>(RHI::Format::D24_UNorm_S8_UInt);
pipelineDesc.sampleCount = 1;
pipelineDesc.rasterizerState.fillMode = static_cast<uint32_t>(RHI::FillMode::Solid);
pipelineDesc.rasterizerState.cullMode = static_cast<uint32_t>(RHI::CullMode::None);
pipelineDesc.rasterizerState.frontFace = static_cast<uint32_t>(RHI::FrontFace::CounterClockwise);
pipelineDesc.rasterizerState.depthClipEnable = true;
pipelineDesc.blendState.blendEnable = false;
pipelineDesc.blendState.colorWriteMask = static_cast<uint8_t>(RHI::ColorWriteMask::All);
pipelineDesc.depthStencilState.depthTestEnable = true;
pipelineDesc.depthStencilState.depthWriteEnable = false;
pipelineDesc.depthStencilState.depthFunc = static_cast<uint32_t>(RHI::ComparisonFunc::LessEqual);
const Resources::ShaderBackend backend = ::XCEngine::Rendering::Detail::ToShaderBackend(backendType);
if (const Resources::ShaderStageVariant* vertexVariant =
shader.FindVariant(passName, Resources::ShaderType::Vertex, backend)) {
::XCEngine::Rendering::Detail::ApplyShaderStageVariant(*vertexVariant, pipelineDesc.vertexShader);
}
if (const Resources::ShaderStageVariant* fragmentVariant =
shader.FindVariant(passName, Resources::ShaderType::Fragment, backend)) {
::XCEngine::Rendering::Detail::ApplyShaderStageVariant(*fragmentVariant, pipelineDesc.fragmentShader);
}
return pipelineDesc;
}
} // namespace
BuiltinForwardPipeline::BuiltinForwardPipeline() {
m_passSequence.AddPass(std::make_unique<Detail::BuiltinForwardOpaquePass>(*this));
m_passSequence.AddPass(std::make_unique<Detail::BuiltinForwardSkyboxPass>(*this));
m_passSequence.AddPass(std::make_unique<Detail::BuiltinForwardTransparentPass>(*this));
}
BuiltinForwardPipeline::~BuiltinForwardPipeline() {
Shutdown();
}
std::unique_ptr<RenderPipeline> BuiltinForwardPipelineAsset::CreatePipeline() const {
return std::make_unique<BuiltinForwardPipeline>();
}
RHI::InputLayoutDesc BuiltinForwardPipeline::BuildInputLayout() {
RHI::InputLayoutDesc inputLayout = {};
RHI::InputElementDesc position = {};
position.semanticName = "POSITION";
position.semanticIndex = 0;
position.format = static_cast<uint32_t>(RHI::Format::R32G32B32_Float);
position.inputSlot = 0;
position.alignedByteOffset = 0;
inputLayout.elements.push_back(position);
RHI::InputElementDesc normal = {};
normal.semanticName = "NORMAL";
normal.semanticIndex = 0;
normal.format = static_cast<uint32_t>(RHI::Format::R32G32B32_Float);
normal.inputSlot = 0;
normal.alignedByteOffset = static_cast<uint32_t>(offsetof(Resources::StaticMeshVertex, normal));
inputLayout.elements.push_back(normal);
RHI::InputElementDesc texcoord = {};
texcoord.semanticName = "TEXCOORD";
texcoord.semanticIndex = 0;
texcoord.format = static_cast<uint32_t>(RHI::Format::R32G32_Float);
texcoord.inputSlot = 0;
texcoord.alignedByteOffset = static_cast<uint32_t>(offsetof(Resources::StaticMeshVertex, uv0));
inputLayout.elements.push_back(texcoord);
return inputLayout;
}
bool BuiltinForwardPipeline::Initialize(const RenderContext& context) {
return m_passSequence.Initialize(context);
}
void BuiltinForwardPipeline::Shutdown() {
m_passSequence.Shutdown();
}
bool BuiltinForwardPipeline::Render(
const RenderContext& context,
const RenderSurface& surface,
const RenderSceneData& sceneData) {
if (!Initialize(context)) {
return false;
}
const RenderPassContext passContext = {
context,
surface,
sceneData
};
return m_passSequence.Execute(passContext);
}
bool BuiltinForwardPipeline::HasProceduralSkybox(const RenderSceneData& sceneData) const {
return sceneData.environment.HasProceduralSkybox() &&
sceneData.cameraData.perspectiveProjection;
}
bool BuiltinForwardPipeline::HasSkybox(const RenderSceneData& sceneData) const {
return sceneData.environment.HasSkybox() &&
sceneData.cameraData.perspectiveProjection;
}
bool BuiltinForwardPipeline::BeginForwardScenePass(const RenderPassContext& passContext) {
const RenderContext& context = passContext.renderContext;
const RenderSurface& surface = passContext.surface;
const RenderSceneData& sceneData = passContext.sceneData;
const std::vector<RHI::RHIResourceView*>& colorAttachments = surface.GetColorAttachments();
if (colorAttachments.empty()) {
return false;
}
RHI::RHICommandList* commandList = context.commandList;
if (surface.IsAutoTransitionEnabled()) {
for (RHI::RHIResourceView* renderTarget : colorAttachments) {
if (renderTarget != nullptr) {
commandList->TransitionBarrier(
renderTarget,
surface.GetColorStateBefore(),
RHI::ResourceStates::RenderTarget);
}
}
}
std::vector<RHI::RHIResourceView*> renderTargets = colorAttachments;
commandList->SetRenderTargets(
static_cast<uint32_t>(renderTargets.size()),
renderTargets.data(),
surface.GetDepthAttachment());
const Math::RectInt renderArea = surface.GetRenderArea();
if (renderArea.width <= 0 || renderArea.height <= 0) {
return false;
}
const RHI::Viewport viewport = {
static_cast<float>(renderArea.x),
static_cast<float>(renderArea.y),
static_cast<float>(renderArea.width),
static_cast<float>(renderArea.height),
0.0f,
1.0f
};
const RHI::Rect scissorRect = {
renderArea.x,
renderArea.y,
renderArea.x + renderArea.width,
renderArea.y + renderArea.height
};
const RHI::Rect clearRects[] = { scissorRect };
commandList->SetViewport(viewport);
commandList->SetScissorRect(scissorRect);
const Math::Color clearColor = surface.HasClearColorOverride()
? surface.GetClearColorOverride()
: sceneData.cameraData.clearColor;
const float clearValues[4] = { clearColor.r, clearColor.g, clearColor.b, clearColor.a };
if (HasRenderClearFlag(sceneData.cameraData.clearFlags, RenderClearFlags::Color) &&
!HasSkybox(sceneData)) {
for (RHI::RHIResourceView* renderTarget : renderTargets) {
if (renderTarget != nullptr) {
commandList->ClearRenderTarget(renderTarget, clearValues, 1, clearRects);
}
}
}
if (surface.GetDepthAttachment() != nullptr &&
HasRenderClearFlag(sceneData.cameraData.clearFlags, RenderClearFlags::Depth)) {
commandList->ClearDepthStencil(surface.GetDepthAttachment(), 1.0f, 0, 1, clearRects);
}
commandList->SetPrimitiveTopology(RHI::PrimitiveTopology::TriangleList);
return true;
}
void BuiltinForwardPipeline::EndForwardScenePass(const RenderPassContext& passContext) {
const RenderContext& context = passContext.renderContext;
const RenderSurface& surface = passContext.surface;
const std::vector<RHI::RHIResourceView*>& colorAttachments = surface.GetColorAttachments();
RHI::RHICommandList* commandList = context.commandList;
if (!surface.IsAutoTransitionEnabled()) {
return;
}
commandList->EndRenderPass();
for (RHI::RHIResourceView* renderTarget : colorAttachments) {
if (renderTarget != nullptr) {
commandList->TransitionBarrier(
renderTarget,
RHI::ResourceStates::RenderTarget,
surface.GetColorStateAfter());
}
}
}
bool BuiltinForwardPipeline::ExecuteForwardOpaquePass(const RenderPassContext& passContext) {
const RenderContext& context = passContext.renderContext;
const RenderSceneData& sceneData = passContext.sceneData;
if (!BeginForwardScenePass(passContext)) {
return false;
}
if (sceneData.lighting.HasMainDirectionalShadow() &&
IsDepthFormat(sceneData.lighting.mainDirectionalShadow.shadowMap->GetFormat())) {
context.commandList->TransitionBarrier(
sceneData.lighting.mainDirectionalShadow.shadowMap,
RHI::ResourceStates::DepthWrite,
RHI::ResourceStates::PixelShaderResource);
}
return DrawVisibleItems(context, sceneData, false);
}
bool BuiltinForwardPipeline::ExecuteForwardSkyboxPass(const RenderPassContext& passContext) {
const RenderContext& context = passContext.renderContext;
const RenderSurface& surface = passContext.surface;
const RenderSceneData& sceneData = passContext.sceneData;
if (!HasSkybox(sceneData)) {
return true;
}
if (surface.GetDepthAttachment() == nullptr) {
return true;
}
if (!EnsureSkyboxResources(context) ||
m_skyboxPipelineLayout == nullptr ||
m_skyboxPipelineState == nullptr ||
m_skyboxEnvironmentSet.set == nullptr ||
m_skyboxMaterialSet.set == nullptr ||
m_skyboxPanoramicTextureSet.set == nullptr ||
m_skyboxCubemapTextureSet.set == nullptr ||
m_skyboxSamplerSet.set == nullptr) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline skybox pass failed to initialize runtime skybox resources");
return false;
}
SkyboxConstants constants = {};
constants.topColor = sceneData.environment.skybox.topColor.ToVector4();
constants.horizonColor = sceneData.environment.skybox.horizonColor.ToVector4();
constants.bottomColor = sceneData.environment.skybox.bottomColor.ToVector4();
constants.cameraRightAndTanHalfFov = Math::Vector4(
sceneData.cameraData.worldRight,
std::tan(sceneData.cameraData.verticalFovRadians * 0.5f));
constants.cameraUpAndAspect = Math::Vector4(
sceneData.cameraData.worldUp,
sceneData.cameraData.aspectRatio);
constants.cameraForwardAndUnused = Math::Vector4(sceneData.cameraData.worldForward, 0.0f);
const Resources::Material* skyboxMaterial = sceneData.environment.HasMaterialSkybox()
? sceneData.environment.materialSkybox.material
: nullptr;
const Resources::Texture* panoramicSkyboxTexture = ResolveSkyboxPanoramicTexture(skyboxMaterial);
const Resources::Texture* cubemapSkyboxTexture = ResolveSkyboxCubemapTexture(skyboxMaterial);
RHI::RHIResourceView* panoramicSkyboxTextureView = ResolveTextureView(panoramicSkyboxTexture);
RHI::RHIResourceView* cubemapSkyboxTextureView = ResolveTextureView(cubemapSkyboxTexture);
const BuiltinSkyboxMaterialData skyboxMaterialData = BuildBuiltinSkyboxMaterialData(skyboxMaterial);
BuiltinSkyboxTextureMode activeTextureMode = BuiltinSkyboxTextureMode::None;
switch (skyboxMaterialData.textureMode) {
case BuiltinSkyboxTextureMode::Panoramic:
if (panoramicSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Panoramic;
} else if (cubemapSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Cubemap;
}
break;
case BuiltinSkyboxTextureMode::Cubemap:
if (cubemapSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Cubemap;
} else if (panoramicSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Panoramic;
}
break;
case BuiltinSkyboxTextureMode::None:
default:
if (panoramicSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Panoramic;
} else if (cubemapSkyboxTextureView != nullptr) {
activeTextureMode = BuiltinSkyboxTextureMode::Cubemap;
}
break;
}
if (panoramicSkyboxTextureView == nullptr) {
panoramicSkyboxTextureView = m_fallbackTexture2DView;
}
if (cubemapSkyboxTextureView == nullptr) {
cubemapSkyboxTextureView = m_fallbackTextureCubeView;
}
SkyboxMaterialConstants materialConstants = {};
materialConstants.tintAndExposure = Math::Vector4(
skyboxMaterialData.tint.x,
skyboxMaterialData.tint.y,
skyboxMaterialData.tint.z,
std::max(0.0f, skyboxMaterialData.exposure));
materialConstants.rotationRadiansAndMode = Math::Vector4(
Math::Radians(skyboxMaterialData.rotationDegrees),
static_cast<float>(activeTextureMode),
0.0f,
0.0f);
m_skyboxEnvironmentSet.set->WriteConstant(0, &constants, sizeof(constants));
m_skyboxMaterialSet.set->WriteConstant(0, &materialConstants, sizeof(materialConstants));
if (m_skyboxBoundPanoramicTextureView != panoramicSkyboxTextureView) {
m_skyboxPanoramicTextureSet.set->Update(0, panoramicSkyboxTextureView);
m_skyboxBoundPanoramicTextureView = panoramicSkyboxTextureView;
}
if (m_skyboxBoundCubemapTextureView != cubemapSkyboxTextureView) {
m_skyboxCubemapTextureSet.set->Update(0, cubemapSkyboxTextureView);
m_skyboxBoundCubemapTextureView = cubemapSkyboxTextureView;
}
RHI::RHICommandList* commandList = context.commandList;
commandList->SetPrimitiveTopology(RHI::PrimitiveTopology::TriangleList);
commandList->SetPipelineState(m_skyboxPipelineState);
RHI::RHIDescriptorSet* descriptorSets[] = {
m_skyboxEnvironmentSet.set,
m_skyboxMaterialSet.set,
m_skyboxPanoramicTextureSet.set,
m_skyboxCubemapTextureSet.set,
m_skyboxSamplerSet.set
};
commandList->SetGraphicsDescriptorSets(0, 5, descriptorSets, m_skyboxPipelineLayout);
commandList->Draw(3, 1, 0, 0);
return true;
}
bool BuiltinForwardPipeline::ExecuteForwardTransparentPass(const RenderPassContext& passContext) {
const RenderContext& context = passContext.renderContext;
const RenderSceneData& sceneData = passContext.sceneData;
const bool drawResult = DrawVisibleItems(context, sceneData, true);
if (sceneData.lighting.HasMainDirectionalShadow() &&
IsDepthFormat(sceneData.lighting.mainDirectionalShadow.shadowMap->GetFormat())) {
context.commandList->TransitionBarrier(
sceneData.lighting.mainDirectionalShadow.shadowMap,
RHI::ResourceStates::PixelShaderResource,
RHI::ResourceStates::DepthWrite);
}
EndForwardScenePass(passContext);
return drawResult;
}
bool BuiltinForwardPipeline::DrawVisibleItems(
const RenderContext& context,
const RenderSceneData& sceneData,
bool drawTransparentItems) {
RHI::RHICommandList* commandList = context.commandList;
RHI::RHIPipelineState* currentPipelineState = nullptr;
for (const VisibleRenderItem& visibleItem : sceneData.visibleItems) {
const bool isTransparentItem = IsTransparentRenderQueue(visibleItem.renderQueue);
if (isTransparentItem != drawTransparentItems) {
continue;
}
const Resources::Material* material = ResolveMaterial(visibleItem);
BuiltinMaterialPass pass = BuiltinMaterialPass::ForwardLit;
if (!TryResolveSurfacePassType(material, pass)) {
continue;
}
RHI::RHIPipelineState* pipelineState = GetOrCreatePipelineState(context, sceneData, material);
if (pipelineState == nullptr) {
continue;
}
if (pipelineState != currentPipelineState) {
commandList->SetPipelineState(pipelineState);
currentPipelineState = pipelineState;
}
DrawVisibleItem(context, sceneData, visibleItem);
}
return true;
}
bool BuiltinForwardPipeline::EnsureInitialized(const RenderContext& context) {
if (!context.IsValid()) {
return false;
}
if (m_initialized &&
m_device == context.device &&
m_backendType == context.backendType) {
return true;
}
DestroyPipelineResources();
m_device = context.device;
m_backendType = context.backendType;
m_initialized = CreatePipelineResources(context);
return m_initialized;
}
bool BuiltinForwardPipeline::CreatePipelineResources(const RenderContext& context) {
m_builtinForwardShader = Resources::ResourceManager::Get().Load<Resources::Shader>(
Resources::GetBuiltinForwardLitShaderPath());
if (!m_builtinForwardShader.IsValid()) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to load builtin forward shader resource");
return false;
}
m_builtinUnlitShader = Resources::ResourceManager::Get().Load<Resources::Shader>(
Resources::GetBuiltinUnlitShaderPath());
if (!m_builtinUnlitShader.IsValid()) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to load builtin unlit shader resource");
return false;
}
m_builtinSkyboxShader = Resources::ResourceManager::Get().Load<Resources::Shader>(
Resources::GetBuiltinSkyboxShaderPath());
if (!m_builtinSkyboxShader.IsValid()) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to load builtin skybox shader resource");
return false;
}
RHI::SamplerDesc samplerDesc = {};
samplerDesc.filter = static_cast<uint32_t>(RHI::FilterMode::Linear);
samplerDesc.addressU = static_cast<uint32_t>(RHI::TextureAddressMode::Clamp);
samplerDesc.addressV = static_cast<uint32_t>(RHI::TextureAddressMode::Clamp);
samplerDesc.addressW = static_cast<uint32_t>(RHI::TextureAddressMode::Clamp);
samplerDesc.mipLodBias = 0.0f;
samplerDesc.maxAnisotropy = 1;
samplerDesc.comparisonFunc = static_cast<uint32_t>(RHI::ComparisonFunc::Always);
samplerDesc.minLod = 0.0f;
samplerDesc.maxLod = 1000.0f;
m_sampler = context.device->CreateSampler(samplerDesc);
if (m_sampler == nullptr) {
return false;
}
RHI::SamplerDesc shadowSamplerDesc = samplerDesc;
shadowSamplerDesc.filter = static_cast<uint32_t>(RHI::FilterMode::Point);
m_shadowSampler = context.device->CreateSampler(shadowSamplerDesc);
if (m_shadowSampler == nullptr) {
return false;
}
const unsigned char whitePixels2D[4] = {
255, 255, 255, 255
};
RHI::TextureDesc fallback2DDesc = {};
fallback2DDesc.width = 1;
fallback2DDesc.height = 1;
fallback2DDesc.depth = 1;
fallback2DDesc.mipLevels = 1;
fallback2DDesc.arraySize = 1;
fallback2DDesc.format = static_cast<uint32_t>(RHI::Format::R8G8B8A8_UNorm);
fallback2DDesc.textureType = static_cast<uint32_t>(RHI::TextureType::Texture2D);
fallback2DDesc.sampleCount = 1;
fallback2DDesc.sampleQuality = 0;
fallback2DDesc.flags = 0;
m_fallbackTexture2D = context.device->CreateTexture(
fallback2DDesc,
whitePixels2D,
sizeof(whitePixels2D),
sizeof(whitePixels2D));
if (m_fallbackTexture2D == nullptr) {
return false;
}
RHI::ResourceViewDesc fallback2DViewDesc = {};
fallback2DViewDesc.format = static_cast<uint32_t>(RHI::Format::R8G8B8A8_UNorm);
fallback2DViewDesc.dimension = RHI::ResourceViewDimension::Texture2D;
fallback2DViewDesc.mipLevel = 0;
m_fallbackTexture2DView = context.device->CreateShaderResourceView(m_fallbackTexture2D, fallback2DViewDesc);
if (m_fallbackTexture2DView == nullptr) {
return false;
}
const unsigned char whitePixelsCube[6 * 4] = {
255, 255, 255, 255,
255, 255, 255, 255,
255, 255, 255, 255,
255, 255, 255, 255,
255, 255, 255, 255,
255, 255, 255, 255
};
RHI::TextureDesc fallbackCubeDesc = {};
fallbackCubeDesc.width = 1;
fallbackCubeDesc.height = 1;
fallbackCubeDesc.depth = 1;
fallbackCubeDesc.mipLevels = 1;
fallbackCubeDesc.arraySize = 6;
fallbackCubeDesc.format = static_cast<uint32_t>(RHI::Format::R8G8B8A8_UNorm);
fallbackCubeDesc.textureType = static_cast<uint32_t>(RHI::TextureType::TextureCube);
fallbackCubeDesc.sampleCount = 1;
fallbackCubeDesc.sampleQuality = 0;
fallbackCubeDesc.flags = 0;
m_fallbackTextureCube = context.device->CreateTexture(
fallbackCubeDesc,
whitePixelsCube,
sizeof(whitePixelsCube),
4);
if (m_fallbackTextureCube == nullptr) {
return false;
}
RHI::ResourceViewDesc fallbackCubeViewDesc = {};
fallbackCubeViewDesc.format = static_cast<uint32_t>(RHI::Format::R8G8B8A8_UNorm);
fallbackCubeViewDesc.dimension = RHI::ResourceViewDimension::TextureCube;
fallbackCubeViewDesc.mipLevel = 0;
m_fallbackTextureCubeView = context.device->CreateShaderResourceView(m_fallbackTextureCube, fallbackCubeViewDesc);
if (m_fallbackTextureCubeView == nullptr) {
return false;
}
return true;
}
bool BuiltinForwardPipeline::EnsureSkyboxResources(const RenderContext& context) {
if (m_skyboxPipelineLayout != nullptr &&
m_skyboxPipelineState != nullptr &&
m_skyboxEnvironmentSet.set != nullptr &&
m_skyboxMaterialSet.set != nullptr &&
m_skyboxPanoramicTextureSet.set != nullptr &&
m_skyboxCubemapTextureSet.set != nullptr &&
m_skyboxSamplerSet.set != nullptr) {
return true;
}
DestroySkyboxResources();
return CreateSkyboxResources(context);
}
bool BuiltinForwardPipeline::CreateSkyboxResources(const RenderContext& context) {
if (!context.IsValid() || !m_builtinSkyboxShader.IsValid()) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline skybox resources require a valid context and loaded shader");
return false;
}
const Resources::ShaderBackend backend = ::XCEngine::Rendering::Detail::ToShaderBackend(m_backendType);
const Resources::ShaderPass* skyboxPass =
FindCompatibleSkyboxPass(*m_builtinSkyboxShader.Get(), backend);
if (skyboxPass == nullptr) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline could not resolve a valid skybox shader pass");
return false;
}
RHI::DescriptorSetLayoutBinding environmentBinding = {};
environmentBinding.binding = 0;
environmentBinding.type = static_cast<uint32_t>(RHI::DescriptorType::CBV);
environmentBinding.count = 1;
environmentBinding.visibility = static_cast<uint32_t>(RHI::ShaderVisibility::All);
RHI::DescriptorSetLayoutBinding materialBinding = environmentBinding;
RHI::DescriptorSetLayoutBinding textureBinding = {};
textureBinding.binding = 0;
textureBinding.type = static_cast<uint32_t>(RHI::DescriptorType::SRV);
textureBinding.count = 1;
textureBinding.visibility = static_cast<uint32_t>(RHI::ShaderVisibility::All);
RHI::DescriptorSetLayoutBinding samplerBinding = {};
samplerBinding.binding = 0;
samplerBinding.type = static_cast<uint32_t>(RHI::DescriptorType::Sampler);
samplerBinding.count = 1;
samplerBinding.visibility = static_cast<uint32_t>(RHI::ShaderVisibility::All);
RHI::DescriptorSetLayoutDesc environmentLayout = {};
environmentLayout.bindings = &environmentBinding;
environmentLayout.bindingCount = 1;
RHI::DescriptorSetLayoutDesc materialLayout = {};
materialLayout.bindings = &materialBinding;
materialLayout.bindingCount = 1;
RHI::DescriptorSetLayoutDesc panoramicTextureLayout = {};
panoramicTextureLayout.bindings = &textureBinding;
panoramicTextureLayout.bindingCount = 1;
RHI::DescriptorSetLayoutDesc cubemapTextureLayout = {};
cubemapTextureLayout.bindings = &textureBinding;
cubemapTextureLayout.bindingCount = 1;
RHI::DescriptorSetLayoutDesc samplerLayout = {};
samplerLayout.bindings = &samplerBinding;
samplerLayout.bindingCount = 1;
RHI::DescriptorSetLayoutDesc setLayouts[] = {
environmentLayout,
materialLayout,
panoramicTextureLayout,
cubemapTextureLayout,
samplerLayout
};
RHI::RHIPipelineLayoutDesc pipelineLayoutDesc = {};
pipelineLayoutDesc.setLayouts = setLayouts;
pipelineLayoutDesc.setLayoutCount = 5;
m_skyboxPipelineLayout = m_device->CreatePipelineLayout(pipelineLayoutDesc);
if (m_skyboxPipelineLayout == nullptr) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to create skybox pipeline layout");
DestroySkyboxResources();
return false;
}
auto createSkyboxDescriptorSet =
[this](const RHI::DescriptorSetLayoutDesc& layout,
RHI::DescriptorHeapType heapType,
bool shaderVisible,
OwnedDescriptorSet& ownedSet) -> bool {
RHI::DescriptorPoolDesc poolDesc = {};
poolDesc.type = heapType;
poolDesc.descriptorCount = 1;
poolDesc.shaderVisible = shaderVisible;
ownedSet.pool = m_device->CreateDescriptorPool(poolDesc);
if (ownedSet.pool == nullptr) {
return false;
}
ownedSet.set = ownedSet.pool->AllocateSet(layout);
return ownedSet.set != nullptr;
};
if (!createSkyboxDescriptorSet(
environmentLayout,
RHI::DescriptorHeapType::CBV_SRV_UAV,
false,
m_skyboxEnvironmentSet) ||
!createSkyboxDescriptorSet(
materialLayout,
RHI::DescriptorHeapType::CBV_SRV_UAV,
false,
m_skyboxMaterialSet) ||
!createSkyboxDescriptorSet(
panoramicTextureLayout,
RHI::DescriptorHeapType::CBV_SRV_UAV,
true,
m_skyboxPanoramicTextureSet) ||
!createSkyboxDescriptorSet(
cubemapTextureLayout,
RHI::DescriptorHeapType::CBV_SRV_UAV,
true,
m_skyboxCubemapTextureSet) ||
!createSkyboxDescriptorSet(
samplerLayout,
RHI::DescriptorHeapType::Sampler,
true,
m_skyboxSamplerSet)) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to allocate skybox descriptor sets");
DestroySkyboxResources();
return false;
}
m_skyboxSamplerSet.set->UpdateSampler(0, m_sampler);
m_skyboxPanoramicTextureSet.set->Update(0, m_fallbackTexture2DView);
m_skyboxCubemapTextureSet.set->Update(0, m_fallbackTextureCubeView);
m_skyboxBoundPanoramicTextureView = m_fallbackTexture2DView;
m_skyboxBoundCubemapTextureView = m_fallbackTextureCubeView;
m_skyboxPipelineState = m_device->CreatePipelineState(
CreateSkyboxPipelineDesc(
m_backendType,
m_skyboxPipelineLayout,
*m_builtinSkyboxShader.Get(),
skyboxPass->name));
if (m_skyboxPipelineState == nullptr || !m_skyboxPipelineState->IsValid()) {
Debug::Logger::Get().Error(
Debug::LogCategory::Rendering,
"BuiltinForwardPipeline failed to create skybox graphics pipeline state");
DestroySkyboxResources();
return false;
}
return true;
}
void BuiltinForwardPipeline::DestroySkyboxResources() {
if (m_skyboxPipelineState != nullptr) {
m_skyboxPipelineState->Shutdown();
delete m_skyboxPipelineState;
m_skyboxPipelineState = nullptr;
}
DestroyOwnedDescriptorSet(m_skyboxSamplerSet);
DestroyOwnedDescriptorSet(m_skyboxCubemapTextureSet);
DestroyOwnedDescriptorSet(m_skyboxPanoramicTextureSet);
DestroyOwnedDescriptorSet(m_skyboxMaterialSet);
DestroyOwnedDescriptorSet(m_skyboxEnvironmentSet);
m_skyboxBoundPanoramicTextureView = nullptr;
m_skyboxBoundCubemapTextureView = nullptr;
if (m_skyboxPipelineLayout != nullptr) {
m_skyboxPipelineLayout->Shutdown();
delete m_skyboxPipelineLayout;
m_skyboxPipelineLayout = nullptr;
}
}
void BuiltinForwardPipeline::DestroyPipelineResources() {
m_resourceCache.Shutdown();
for (auto& pipelinePair : m_pipelineStates) {
if (pipelinePair.second != nullptr) {
pipelinePair.second->Shutdown();
delete pipelinePair.second;
}
}
m_pipelineStates.clear();
for (auto& descriptorSetPair : m_dynamicDescriptorSets) {
DestroyOwnedDescriptorSet(descriptorSetPair.second.descriptorSet);
}
m_dynamicDescriptorSets.clear();
for (auto& passLayoutPair : m_passResourceLayouts) {
DestroyPassResourceLayout(passLayoutPair.second);
}
m_passResourceLayouts.clear();
DestroySkyboxResources();
if (m_fallbackTextureCubeView != nullptr) {
m_fallbackTextureCubeView->Shutdown();
delete m_fallbackTextureCubeView;
m_fallbackTextureCubeView = nullptr;
}
if (m_fallbackTextureCube != nullptr) {
m_fallbackTextureCube->Shutdown();
delete m_fallbackTextureCube;
m_fallbackTextureCube = nullptr;
}
if (m_fallbackTexture2DView != nullptr) {
m_fallbackTexture2DView->Shutdown();
delete m_fallbackTexture2DView;
m_fallbackTexture2DView = nullptr;
}
if (m_fallbackTexture2D != nullptr) {
m_fallbackTexture2D->Shutdown();
delete m_fallbackTexture2D;
m_fallbackTexture2D = nullptr;
}
if (m_sampler != nullptr) {
m_sampler->Shutdown();
delete m_sampler;
m_sampler = nullptr;
}
if (m_shadowSampler != nullptr) {
m_shadowSampler->Shutdown();
delete m_shadowSampler;
m_shadowSampler = nullptr;
}
m_device = nullptr;
m_initialized = false;
m_builtinForwardShader.Reset();
m_builtinUnlitShader.Reset();
m_builtinSkyboxShader.Reset();
}
} // namespace Pipelines
} // namespace Rendering
} // namespace XCEngine