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GraphicsEngine.cpp
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GraphicsEngine.cpp
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#include "GraphicsEngine.h"
using ParamId = Netcode::MaterialParamId;
using Netcode::Graphics::ResourceDesc;
using Netcode::ResourceViews;
using Netcode::Graphics::ResourceType;
using Netcode::Graphics::ResourceDimension;
using Netcode::Graphics::ResourceState;
using Netcode::Graphics::ResourceFlags;
using Netcode::Graphics::PrimitiveTopology;
struct BrdfMaterialData {
Netcode::Float3 diffuseColor;
float reflectance;
Netcode::Float3 specularColor;
float roughness;
Netcode::Float2 tiles;
Netcode::Float2 tilesOffset;
float displacementScale;
float displacementBias;
float textureSpaceChirality;
uint32_t textureFlags;
BrdfMaterialData() = default;
BrdfMaterialData(Ptr<Netcode::Material> mat) : BrdfMaterialData{} {
Assign(mat);
}
void Assign(Ptr<Netcode::Material> mat) {
diffuseColor = mat->GetRequiredParameter<Netcode::Float3>(ParamId::DIFFUSE_ALBEDO);
reflectance = mat->GetOptionalParameter<float>(ParamId::REFLECTANCE, 0.2f);
specularColor = mat->GetRequiredParameter<Netcode::Float3>(ParamId::SPECULAR_ALBEDO);
roughness = mat->GetOptionalParameter<float>(ParamId::ROUGHNESS, 0.2f);
tiles = mat->GetOptionalParameter<Netcode::Float2>(ParamId::TEXTURE_TILES, Netcode::Float2::One);
tilesOffset = mat->GetOptionalParameter<Netcode::Float2>(ParamId::TEXTURE_TILES_OFFSET, Netcode::Float2::Zero);
displacementScale = mat->GetOptionalParameter<float>(ParamId::DISPLACEMENT_SCALE, 0.01f);
displacementBias = mat->GetOptionalParameter<float>(ParamId::DISPLACEMENT_BIAS, 0.5f);
textureSpaceChirality = 1.0f;
textureFlags = mat->GetOptionalParameter<uint32_t>(ParamId::TEXTURE_FLAGS, 0);
bool metallicBit = mat->GetOptionalParameter<bool>(ParamId::METAL_MASK, false);
if(metallicBit) {
textureFlags |= (1 << 31);
}
}
};
void GraphicsEngine::SetPerFrameCb(IRenderContext * context, int slot) {
if(perFrameCbuffer == 0) {
perFrameCbuffer = context->SetConstants(slot, *perFrameData);
} else {
context->SetConstants(slot, perFrameCbuffer);
}
}
void GraphicsEngine::SetMaterialData(Ptr<Netcode::Material> mat, int32_t slot, IRenderContext * ctx) {
switch(mat->GetType()) {
case Netcode::MaterialType::BRDF:
ctx->SetConstants(slot, BrdfMaterialData{ mat });
break;
default: break;
}
}
void GraphicsEngine::CreateFSQuad() {
struct PT_Vert {
Netcode::Float3 position;
Netcode::Float2 texCoord;
};
PT_Vert vData[6] = {
{ { 1.0f, 1.0f, 0.0f },{ 1.0f, 0.0f } },
{ { -1.0f, -1.0f, 0.0f },{ 0.0f, 1.0f } },
{ { -1.0f, 1.0f, 0.0f },{ 0.0f, 0.0f } },
{ { 1.0f, 1.0f, 0.0f },{ 1.0f, 0.0f } },
{ { 1.0f, -1.0f, 0.0f },{ 1.0f, 1.0f } },
{ { -1.0f, -1.0f, 0.0f },{ 0.0f, 1.0f } }
};
fsQuad.vertexBuffer = graphics->resources->CreateVertexBuffer(sizeof(vData), sizeof(PT_Vert), ResourceType::PERMANENT_DEFAULT, ResourceState::COPY_DEST);
fsQuad.vertexCount = 6;
fsQuad.indexBuffer = 0;
fsQuad.indexCount = 0;
auto uploadBatch = graphics->resources->CreateUploadBatch();
uploadBatch->Upload(fsQuad.vertexBuffer, vData, sizeof(vData));
uploadBatch->Barrier(fsQuad.vertexBuffer, ResourceState::COPY_DEST, ResourceState::VERTEX_AND_CONSTANT_BUFFER);
graphics->frame->SyncUpload(uploadBatch);
}
void GraphicsEngine::CreateSkinnedGbufferPassPermanentResources() {
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("NORMAL", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
ilBuilder->AddInputElement("TANGENT", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("WEIGHTS", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("BONEIDS", DXGI_FORMAT_R32_UINT);
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"skinningPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"brdfMaterial_Pixel.cso");
auto rsBuilder = graphics->CreateRootSignatureBuilder();
skinnedGbufferPass_RootSignature = rsBuilder->BuildFromShader(vs);
Netcode::DepthStencilDesc depthStencilDesc;
depthStencilDesc.backFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilPassOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFunc = Netcode::ComparisonFunc::NEVER;
depthStencilDesc.frontFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilPassOp = Netcode::StencilOp::REPLACE;
depthStencilDesc.frontFace.stencilFunc = Netcode::ComparisonFunc::ALWAYS;
depthStencilDesc.depthEnable = true;
depthStencilDesc.stencilEnable = true;
depthStencilDesc.stencilWriteMask = 0xFF;
depthStencilDesc.stencilReadMask = 0xFF;
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(skinnedGbufferPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilState(depthStencilDesc);
psoBuilder->SetDepthStencilFormat(gbufferPass_DepthStencilFormat);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R32G32B32A32_FLOAT });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
skinnedGbufferPass_PipelineState = psoBuilder->Build();
}
void GraphicsEngine::CreateSkinningPassPermanentResources() {
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> interpolateCS = shaderBuilder->LoadBytecode(L"skinningPassInterpolate_Compute.cso");
Ref<Netcode::ShaderBytecode> blendCS = shaderBuilder->LoadBytecode(L"skinningPassBlend_Compute.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
skinningPass_RootSignature = rootSigBuilder->BuildFromShader(interpolateCS);
auto cpsoBuilder = graphics->CreateCPipelineStateBuilder();
cpsoBuilder->SetRootSignature(skinningPass_RootSignature);
cpsoBuilder->SetComputeShader(interpolateCS);
skinningInterpolatePass_PipelineState = cpsoBuilder->Build();
cpsoBuilder->SetRootSignature(skinningPass_RootSignature);
cpsoBuilder->SetComputeShader(blendCS);
skinningBlendPass_PipelineState = cpsoBuilder->Build();
}
void GraphicsEngine::CreateGbufferPassPermanentResources() {
gbufferPass_DepthStencilFormat = DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"brdfMaterial_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"brdfMaterial_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
gbufferPass_RootSignature = rootSigBuilder->BuildFromShader(vs);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("NORMAL", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
ilBuilder->AddInputElement("TANGENT", DXGI_FORMAT_R32G32B32_FLOAT);
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
Netcode::DepthStencilDesc depthStencilDesc;
depthStencilDesc.backFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilPassOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFunc = Netcode::ComparisonFunc::NEVER;
depthStencilDesc.frontFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilPassOp = Netcode::StencilOp::REPLACE;
depthStencilDesc.frontFace.stencilFunc = Netcode::ComparisonFunc::ALWAYS;
depthStencilDesc.depthEnable = true;
depthStencilDesc.stencilEnable = true;
depthStencilDesc.stencilWriteMask = 0xFF;
depthStencilDesc.stencilReadMask = 0xFF;
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(gbufferPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilState(depthStencilDesc);
psoBuilder->SetDepthStencilFormat(gbufferPass_DepthStencilFormat);
psoBuilder->SetRenderTargetFormats({ graphics->GetBackbufferFormat() });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
gbufferPass_PipelineState = psoBuilder->Build();
gbufferPass_DepthStencilView = graphics->resources->CreateDepthStencilView();
CreateGbufferPassSizeDependentResources();
/*gbufferPass_DepthStencilFormat = DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"gbufferPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"gbufferPass_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
gbufferPass_RootSignature = rootSigBuilder->BuildFromShader(vs);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("NORMAL", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
Netcode::DepthStencilDesc depthStencilDesc;
depthStencilDesc.backFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilPassOp = Netcode::StencilOp::KEEP;
depthStencilDesc.backFace.stencilFunc = Netcode::ComparisonFunc::NEVER;
depthStencilDesc.frontFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthStencilDesc.frontFace.stencilPassOp = Netcode::StencilOp::REPLACE;
depthStencilDesc.frontFace.stencilFunc = Netcode::ComparisonFunc::ALWAYS;
depthStencilDesc.depthEnable = true;
depthStencilDesc.stencilEnable = true;
depthStencilDesc.stencilWriteMask = 0xFF;
depthStencilDesc.stencilReadMask = 0xFF;
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(gbufferPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilState(depthStencilDesc);
psoBuilder->SetDepthStencilFormat(gbufferPass_DepthStencilFormat);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R32G32B32A32_FLOAT });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
gbufferPass_PipelineState = psoBuilder->Build();
gbufferPass_RenderTargetViews = graphics->resources->CreateRenderTargetViews(2);
gbufferPass_DepthStencilView = graphics->resources->CreateDepthStencilView();
*/
}
void GraphicsEngine::CreateGbufferPassSizeDependentResources() {
gbufferPass_DepthBuffer.reset();
gbufferPass_DepthBuffer = graphics->resources->CreateDepthStencil(gbufferPass_DepthStencilFormat, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE | ResourceState::DEPTH_READ);
graphics->resources->SetDebugName(gbufferPass_DepthBuffer, L"GBuffer:Depth");
gbufferPass_DepthStencilView->CreateDSV(gbufferPass_DepthBuffer.get());
/*gbufferPass_ColorRenderTarget.reset();
gbufferPass_NormalsRenderTarget.reset();
gbufferPass_DepthBuffer.reset();
gbufferPass_ColorRenderTarget = graphics->resources->CreateRenderTarget(DXGI_FORMAT_R8G8B8A8_UNORM, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE);
gbufferPass_NormalsRenderTarget = graphics->resources->CreateRenderTarget(DXGI_FORMAT_R32G32B32A32_FLOAT, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE);
gbufferPass_DepthBuffer = graphics->resources->CreateDepthStencil(gbufferPass_DepthStencilFormat, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE | ResourceState::DEPTH_READ);
graphics->resources->SetDebugName(gbufferPass_ColorRenderTarget, L"GBuffer:Color");
graphics->resources->SetDebugName(gbufferPass_NormalsRenderTarget, L"GBuffer:Normals");
graphics->resources->SetDebugName(gbufferPass_DepthBuffer, L"GBuffer:Depth");
gbufferPass_RenderTargetViews->CreateRTV(0, gbufferPass_ColorRenderTarget.get());
gbufferPass_RenderTargetViews->CreateRTV(1, gbufferPass_NormalsRenderTarget.get());
gbufferPass_DepthStencilView->CreateDSV(gbufferPass_DepthBuffer.get());*/
}
void GraphicsEngine::CreateSSAOBlurPassPermanentResources() {
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"ssaoPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"ssaoBlurPass_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
ssaoBlurPass_RootSignature = rootSigBuilder->BuildFromShader(ps);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Netcode::DepthStencilDesc depthDesc;
depthDesc.depthEnable = false;
depthDesc.stencilEnable = false;
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(ssaoBlurPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R32_FLOAT });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
psoBuilder->SetDepthStencilState(depthDesc);
ssaoBlurPass_PipelineState = psoBuilder->Build();
}
void GraphicsEngine::CreateSSAOOcclusionPassPermanentResources() {
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"ssaoPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"ssaoOcclusionPass_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
ssaoOcclusionPass_RootSignature = rootSigBuilder->BuildFromShader(ps);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Netcode::DepthStencilDesc depthDesc;
depthDesc.depthEnable = false;
depthDesc.stencilEnable = false;
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(ssaoOcclusionPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R32_FLOAT });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
psoBuilder->SetDepthStencilState(depthDesc);
ssaoOcclusionPass_PipelineState = psoBuilder->Build();
ssaoPass_RandomVectorTexture = graphics->resources->CreateTexture2D(256, 256, 1, DXGI_FORMAT_R8G8B8A8_UNORM, ResourceType::PERMANENT_DEFAULT, ResourceState::COPY_DEST, ResourceFlags::NONE);
std::unique_ptr<DirectX::PackedVector::XMCOLOR[]> colors = std::make_unique<DirectX::PackedVector::XMCOLOR[]>(256 * 256);
for(int i = 0; i < 256; ++i)
{
for(int j = 0; j < 256; ++j)
{
Netcode::Float3 v(Netcode::RandomFloat(), Netcode::RandomFloat(), Netcode::RandomFloat());
colors[i * 256 + j] = DirectX::PackedVector::XMCOLOR(v.z, v.y, v.x, 0.0f);
}
}
auto batch = graphics->resources->CreateUploadBatch();
batch->Upload(ssaoPass_RandomVectorTexture, colors.get(), 256 * 256 * sizeof(DirectX::PackedVector::XMCOLOR));
batch->Barrier(ssaoPass_RandomVectorTexture, ResourceState::COPY_DEST, ResourceState::PIXEL_SHADER_RESOURCE);
graphics->frame->SyncUpload(std::move(batch));
CreateSSAOOcclusionPassSizeDependentResources();
}
void GraphicsEngine::CreateSSAOOcclusionPassSizeDependentResources() {
ssaoRenderTargetSize = Netcode::UInt2{ backbufferSize.x / 2, backbufferSize.y / 2 };
ssaoRenderTargetSize.x = (ssaoRenderTargetSize.x == 0) ? 1 : ssaoRenderTargetSize.x;
ssaoRenderTargetSize.y = (ssaoRenderTargetSize.y == 0) ? 1 : ssaoRenderTargetSize.y;
ssaoPass_OcclusionRenderTarget.reset();
ssaoPass_BlurRenderTarget.reset();
ssaoPass_OcclusionRenderTarget = graphics->resources->CreateRenderTarget(ssaoRenderTargetSize.x, ssaoRenderTargetSize.y, DXGI_FORMAT_R32_FLOAT, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE);
ssaoPass_BlurRenderTarget = graphics->resources->CreateRenderTarget(ssaoRenderTargetSize.x, ssaoRenderTargetSize.y, DXGI_FORMAT_R32_FLOAT, ResourceType::PERMANENT_DEFAULT, ResourceState::PIXEL_SHADER_RESOURCE);
lightingPass_ShaderResourceViews->CreateSRV(3, ssaoPass_BlurRenderTarget.get());
}
/*
void GraphicsEngine::CreateLightingPassPermanentResources() {
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"lightingPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"lightingPass_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
lightingPass_RootSignature = rootSigBuilder->BuildFromShader(vs);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Netcode::DepthStencilDesc depthDesc;
depthDesc.depthEnable = false;
depthDesc.stencilEnable = true;
depthDesc.frontFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilPassOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilFunc = Netcode::ComparisonFunc::EQUAL;
depthDesc.stencilReadMask = 0xFF;
depthDesc.stencilWriteMask = 0x00;
depthDesc.depthWriteMaskZero = true;
depthDesc.backFace = depthDesc.frontFace;
depthDesc.backFace.stencilFunc = Netcode::ComparisonFunc::NEVER;
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetRootSignature(lightingPass_RootSignature);
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilFormat(gbufferPass_DepthStencilFormat);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R8G8B8A8_UNORM });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
psoBuilder->SetDepthStencilState(depthDesc);
lightingPass_PipelineState = psoBuilder->Build();
lightingPass_ShaderResourceViews = graphics->resources->CreateShaderResourceViews(4);
CreateLightingPassResourceViews();
}
void GraphicsEngine::CreateLightingPassResourceViews() {
lightingPass_ShaderResourceViews->CreateSRV(0, gbufferPass_ColorRenderTarget.get());
lightingPass_ShaderResourceViews->CreateSRV(1, gbufferPass_NormalsRenderTarget.get());
lightingPass_ShaderResourceViews->CreateSRV(2, gbufferPass_DepthBuffer.get());
}*/
void GraphicsEngine::CreateBackgroundPassPermanentResources() {
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"envmapPass_Vertex.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"envmapPass_Pixel.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
envmapPass_RootSignature = rootSigBuilder->BuildFromShader(vs);
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
Netcode::DepthStencilDesc depthDesc;
depthDesc.depthEnable = false;
depthDesc.stencilEnable = true;
depthDesc.frontFace.stencilDepthFailOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilFailOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilPassOp = Netcode::StencilOp::KEEP;
depthDesc.frontFace.stencilFunc = Netcode::ComparisonFunc::EQUAL;
depthDesc.stencilReadMask = 0xFF;
depthDesc.stencilWriteMask = 0x00;
depthDesc.depthWriteMaskZero = true;
depthDesc.backFace = depthDesc.frontFace;
depthDesc.backFace.stencilFunc = Netcode::ComparisonFunc::NEVER;
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilFormat(gbufferPass_DepthStencilFormat);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R8G8B8A8_UNORM });
psoBuilder->SetRootSignature(envmapPass_RootSignature);
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
psoBuilder->SetDepthStencilState(depthDesc);
envmapPass_PipelineState = psoBuilder->Build();
}
void GraphicsEngine::CreateUIPassPermanentResources() {
auto ilBuilder = graphics->CreateInputLayoutBuilder();
ilBuilder->AddInputElement("POSITION", DXGI_FORMAT_R32G32B32_FLOAT);
ilBuilder->AddInputElement("COLOR", DXGI_FORMAT_R32G32B32A32_FLOAT);
ilBuilder->AddInputElement("TEXCOORD", DXGI_FORMAT_R32G32_FLOAT);
Ref<Netcode::InputLayout> inputLayout = ilBuilder->Build();
auto shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> vs = shaderBuilder->LoadBytecode(L"Netcode_SpriteVS.cso");
Ref<Netcode::ShaderBytecode> ps = shaderBuilder->LoadBytecode(L"Netcode_SpritePS.cso");
auto rootSigBuilder = graphics->CreateRootSignatureBuilder();
auto rootSignature = rootSigBuilder->BuildFromShader(vs);
Netcode::BlendDesc blendState;
Netcode::RenderTargetBlendDesc rt0Blend;
rt0Blend.blendEnable = true;
rt0Blend.logicOpEnable = false;
rt0Blend.srcBlend = Netcode::BlendMode::SRC_ALPHA;
rt0Blend.destBlend = Netcode::BlendMode::INV_SRC_ALPHA;
rt0Blend.blendOp = Netcode::BlendOp::ADD;
rt0Blend.srcBlendAlpha = Netcode::BlendMode::ONE;
rt0Blend.destBlendAlpha = Netcode::BlendMode::INV_SRC_ALPHA;
rt0Blend.blendOpAlpha = Netcode::BlendOp::ADD;
rt0Blend.logicOp = Netcode::LogicOp::NOOP;
rt0Blend.renderTargetWriteMask = 0x0F;
blendState.alphaToCoverageEnabled = false;
blendState.independentAlphaEnabled = false;
blendState.rtBlend[0] = rt0Blend;
Netcode::RasterizerDesc rasterizerState;
rasterizerState.fillMode = Netcode::FillMode::SOLID;
rasterizerState.cullMode = Netcode::CullMode::NONE;
rasterizerState.frontCounterClockwise = false;
rasterizerState.depthBias = 0;
rasterizerState.depthBiasClamp = 0.0f;
rasterizerState.slopeScaledDepthBias = 0.0f;
rasterizerState.depthClipEnable = true;
rasterizerState.multisampleEnable = true;
rasterizerState.antialiasedLineEnable = false;
rasterizerState.forcedSampleCount = 0;
rasterizerState.conservativeRaster = false;
Netcode::DepthStencilDesc depthStencilDesc;
depthStencilDesc.depthEnable = false;
depthStencilDesc.stencilEnable = false;
depthStencilDesc.depthWriteMaskZero = true;
auto psoBuilder = graphics->CreateGPipelineStateBuilder();
psoBuilder->SetInputLayout(inputLayout);
psoBuilder->SetRootSignature(rootSignature);
psoBuilder->SetVertexShader(vs);
psoBuilder->SetPixelShader(ps);
psoBuilder->SetDepthStencilFormat(DXGI_FORMAT_D32_FLOAT);
psoBuilder->SetRenderTargetFormats({ DXGI_FORMAT_R8G8B8A8_UNORM });
psoBuilder->SetPrimitiveTopologyType(Netcode::Graphics::PrimitiveTopologyType::TRIANGLE);
psoBuilder->SetBlendState(blendState);
psoBuilder->SetRasterizerState(rasterizerState);
psoBuilder->SetDepthStencilState(depthStencilDesc);
auto pipelineState = psoBuilder->Build();
Ref<Netcode::SpriteBatchBuilder> spriteBatchBuilder = graphics->CreateSpriteBatchBuilder();
spriteBatchBuilder->SetPipelineState(std::move(pipelineState));
spriteBatchBuilder->SetRootSignature(std::move(rootSignature));
uiPass_SpriteBatch = spriteBatchBuilder->Build();
}
void GraphicsEngine::CreateSkinningPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("Skinning",
[&](IResourceContext * context) -> void {
context->UseComputeContext();
for(Ref<AnimationSet> & animSet : skinningPass_Input) {
animSet->UploadConstants(context);
}
},
[&](IRenderContext * context) -> void {
context->SetRootSignature(skinningPass_RootSignature.get());
for(Ref<AnimationSet> & animSet : skinningPass_Input) {
animSet->BindResources(context);
context->SetPipelineState(skinningInterpolatePass_PipelineState.get());
context->Dispatch(8, animSet->GetNumInstances(), 1);
context->UnorderedAccessBarrier(animSet->GetIntermediateResource().get());
context->FlushResourceBarriers();
context->SetPipelineState(skinningBlendPass_PipelineState.get());
context->Dispatch(1, animSet->GetNumInstances(), 1);
animSet->CopyResults(context);
}
});
}
void GraphicsEngine::CreatePreGbufferPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("Pre Gbuffer",
[&](IResourceContext * context) -> void {
context->Writes(nullptr);
},
[&](IRenderContext* context) -> void {
context->ResourceBarrier(gbufferPass_DepthBuffer.get(), ResourceState::PIXEL_SHADER_RESOURCE | ResourceState::DEPTH_READ, ResourceState::DEPTH_WRITE);
context->FlushResourceBarriers();
context->SetRenderTargets(nullptr, gbufferPass_DepthStencilView.get());
context->ClearRenderTarget(0);
context->ClearDepthStencil();
});
}
void GraphicsEngine::CreatePostGbufferPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("Pre Gbuffer",
[&](IResourceContext * context) -> void {
context->Writes(nullptr);
},
[&](IRenderContext * context) -> void {
context->ResourceBarrier(gbufferPass_DepthBuffer.get(), ResourceState::DEPTH_WRITE, ResourceState::PIXEL_SHADER_RESOURCE | ResourceState::DEPTH_READ);
context->FlushResourceBarriers();
});
}
void GraphicsEngine::CreateSkinnedGbufferPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
if(skinnedGbufferPass_Input.empty()) {
return;
}
frameGraphBuilder->CreateRenderPass("Skinned Gbuffer",
[&](IResourceContext * context) -> void {
context->Writes(gbufferPass_DepthBuffer.get());
context->Writes(nullptr);
},
[&](IRenderContext * context) -> void {
context->SetRootSignature(skinnedGbufferPass_RootSignature.get());
context->SetPipelineState(skinnedGbufferPass_PipelineState.get());
context->SetRenderTargets(nullptr, gbufferPass_DepthStencilView.get());
context->SetScissorRect();
context->SetViewport();
context->SetStencilReference(0xFF);
context->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
context->SetShaderResources(4, lightingData_StructuredBuffer.get());
context->SetShaderResources(5, prefilteredSplitSumViews.get());
PerObjectData * objectData = nullptr;
for(RenderItem & item : skinnedGbufferPass_Input) {
if(item.material->GetType() == Netcode::MaterialType::BRDF) {
SetMaterialData(item.material.get(), 0, context);
if(objectData != item.objectData) {
item.objectData->lightsCount = std::min(sceneLights->size(), 1024ull);
item.objectData->lightsOffset = 0;
context->SetConstants(1, *item.objectData);
objectData = item.objectData;
}
SetPerFrameCb(context, 2);
auto srv = item.material->GetResourceView(0);
if(srv != nullptr) {
context->SetShaderResources(3, srv.get());
}
context->SetConstants(6, *item.debugBoneData);
//context->SetShaderResources(3, item.boneData, item.boneDataOffset);
context->SetVertexBuffer(item.gbuffer.vertexBuffer.get());
context->SetIndexBuffer(item.gbuffer.indexBuffer.get());
context->DrawIndexed(item.gbuffer.indexCount);
}
}
}
);
}
void GraphicsEngine::CreateGbufferPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("Gbuffer", [&](IResourceContext * context) -> void {
context->Writes(nullptr);
context->Writes(gbufferPass_DepthBuffer.get());
},
[&](IRenderContext * context) -> void {
bool isBound = false;
void * objectData = nullptr;
context->SetRootSignature(gbufferPass_RootSignature.get());
context->SetPipelineState(gbufferPass_PipelineState.get());
context->SetRenderTargets(nullptr, gbufferPass_DepthStencilView.get());
context->SetScissorRect();
context->SetViewport();
context->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
context->SetStencilReference(0xFF);
context->SetShaderResources(4, lightingData_StructuredBuffer.get());
context->SetShaderResources(5, prefilteredSplitSumViews.get());
for(RenderItem & item : gbufferPass_Input) {
if(item.material->GetType() != Netcode::MaterialType::BRDF) {
continue;
}
SetMaterialData(item.material.get(), 0, context);
if(objectData != item.objectData) {
item.objectData->lightsCount = std::min(sceneLights->size(), 1024ull);
item.objectData->lightsOffset = 0;
context->SetConstants(1, *item.objectData);
objectData = item.objectData;
}
if(!isBound) {
SetPerFrameCb(context, 2);
isBound = true;
}
auto srv = item.material->GetResourceView(0);
if(srv != nullptr) {
context->SetShaderResources(3, srv.get());
}
context->SetVertexBuffer(item.gbuffer.vertexBuffer.get());
context->SetIndexBuffer(item.gbuffer.indexBuffer.get());
context->DrawIndexed(item.gbuffer.indexCount);
}
});
}
/*
void GraphicsEngine::CreateSSAOOcclusionPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("SSAO Occlusion", [&](IResourceContext * context) -> void {
context->Reads(gbufferPass_NormalsRenderTarget.get());
context->Reads(gbufferPass_DepthBuffer.get());
context->Writes(ssaoPass_OcclusionRenderTarget.get());
},
[&](IRenderContext * context) -> void {
context->SetRootSignature(ssaoOcclusionPass_RootSignature);
context->SetPipelineState(ssaoOcclusionPass_PipelineState);
context->SetViewport(ssaoRenderTargetSize.x, ssaoRenderTargetSize.y);
context->SetScissorRect(0, ssaoRenderTargetSize.x, 0, ssaoRenderTargetSize.y);
context->ResourceBarrier(ssaoPass_OcclusionRenderTarget, ResourceState::PIXEL_SHADER_RESOURCE, ResourceState::RENDER_TARGET);
context->FlushResourceBarriers();
context->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
context->SetRenderTargets(ssaoPass_OcclusionRenderTarget, 0);
context->ClearRenderTarget(0);
SetPerFrameCb(context, 0);
context->SetConstants(1, *ssaoData);
context->SetShaderResources(2, { gbufferPass_NormalsRenderTarget, gbufferPass_DepthBuffer, ssaoPass_RandomVectorTexture });
context->SetVertexBuffer(fsQuad.vertexBuffer);
context->Draw(fsQuad.vertexCount);
context->SetRenderTargets(0, 0);
context->ResourceBarrier(ssaoPass_OcclusionRenderTarget, ResourceState::RENDER_TARGET, ResourceState::PIXEL_SHADER_RESOURCE);
context->FlushResourceBarriers();
});
}
void GraphicsEngine::CreateSSAOBlurPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("SSAO Blur", [&](IResourceContext * context) -> void {
context->Reads(ssaoPass_OcclusionRenderTarget.get());
context->Writes(ssaoPass_BlurRenderTarget.get());
},
[&](IRenderContext * context) -> void {
context->SetRootSignature(ssaoBlurPass_RootSignature);
context->SetPipelineState(ssaoBlurPass_PipelineState);
context->SetViewport(ssaoRenderTargetSize.x, ssaoRenderTargetSize.y);
context->SetScissorRect(0, ssaoRenderTargetSize.x, 0, ssaoRenderTargetSize.y);
context->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
ssaoData->invRenderTargetSize = Netcode::Float2{
1.0f / static_cast<float>(ssaoRenderTargetSize.x),
1.0f / static_cast<float>(ssaoRenderTargetSize.y)
};
uint32_t isHorizontal = 0;
Ref<GpuResource> renderTargets[2] = {
ssaoPass_OcclusionRenderTarget, ssaoPass_BlurRenderTarget
};
for(uint32_t i = 0; i < 3; ++i) {
Ref<GpuResource> currentRenderTarget = renderTargets[(i + 1) % 2];
Ref<GpuResource> sourceTexture = renderTargets[i % 2];
context->ResourceBarrier(currentRenderTarget, ResourceState::PIXEL_SHADER_RESOURCE, ResourceState::RENDER_TARGET);
context->FlushResourceBarriers();
context->SetRenderTargets(currentRenderTarget, 0);
context->ClearRenderTarget(0);
context->SetShaderResources(0, { sourceTexture, gbufferPass_NormalsRenderTarget, gbufferPass_DepthBuffer });
context->SetConstants(1, *ssaoData);
SetPerFrameCb(context, 2);
context->SetRootConstants(3, &isHorizontal, 1);
context->SetVertexBuffer(fsQuad.vertexBuffer);
context->Draw(fsQuad.vertexCount);
context->ResourceBarrier(currentRenderTarget, ResourceState::RENDER_TARGET, ResourceState::PIXEL_SHADER_RESOURCE);
context->FlushResourceBarriers();
if(isHorizontal == 0) {
isHorizontal = 0xFFFFFFFF;
} else {
isHorizontal = 0;
}
}
});
}
void GraphicsEngine::CreateLightingPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("Lighting", [&](IResourceContext * context) -> void {
context->Reads(ssaoPass_BlurRenderTarget.get());
context->Reads(gbufferPass_ColorRenderTarget.get());
context->Reads(gbufferPass_DepthBuffer.get());
context->Reads(gbufferPass_NormalsRenderTarget.get());
context->Writes(2);
context->Writes(nullptr);
}, [&](IRenderContext * context) -> void {
context->SetRootSignature(lightingPass_RootSignature);
context->SetPipelineState(lightingPass_PipelineState);
context->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
context->SetScissorRect();
context->SetViewport();
context->SetStencilReference(0xFF);
context->SetRenderTargets(nullptr, gbufferPass_DepthStencilView);
SetPerFrameCb(context, 0);
context->SetShaderResources(1, lightingPass_ShaderResourceViews);
// @TODO: set light data
context->SetVertexBuffer(fsQuad.vertexBuffer);
context->Draw(fsQuad.vertexCount);
});
}*/
void GraphicsEngine::CreateUIPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("uiPass", [&](IResourceContext * context) -> void {
context->Writes(nullptr);
},
[&](IRenderContext * context) -> void {
Netcode::UInt2 ss = ui_Input->WindowSize();
Netcode::Matrix vp =
Netcode::LookToMatrix(Netcode::Float3::Zero, Netcode::Float3{ 0.0f, 0.0f, 1.0f }, Netcode::Float3::UnitY) *
Netcode::OrtographicMatrix(static_cast<float>(ss.x), static_cast<float>(ss.y), 0.0f, Netcode::UI::Control::MAX_DEPTH);
Netcode::Matrix tex = Netcode::Float4x4{
-1.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 0.0f, 1.0f
};
context->SetRenderTargets(nullptr, nullptr);
uiPass_SpriteBatch->BeginRecord(context, (vp * tex).Transpose());
ui_Input->Render(uiPass_SpriteBatch.get());
uiPass_SpriteBatch->EndRecord();
});
}
void GraphicsEngine::CreatePostProcessPass(Ptr<Netcode::FrameGraphBuilder> frameGraphBuilder) {
frameGraphBuilder->CreateRenderPass("postProcessPass", [&](IResourceContext * context) -> void {
},
[&](IRenderContext * context) -> void {
//context->SetRenderTargets(0, 0);
});
}
void GraphicsEngine::CreateBackgroundPass(Ptr<Netcode::FrameGraphBuilder> builder) {
builder->CreateRenderPass("Background", [this](IResourceContext * ctx) ->void {
ctx->Reads(gbufferPass_DepthBuffer.get());
ctx->Writes(nullptr);
},
[this](IRenderContext * ctx) -> void {
ctx->SetRenderTargets(nullptr, gbufferPass_DepthStencilView.get());
ctx->SetScissorRect();
ctx->SetViewport();
ctx->SetPrimitiveTopology(PrimitiveTopology::TRIANGLELIST);
ctx->SetStencilReference(0);
ctx->SetRootSignature(envmapPass_RootSignature.get());
ctx->SetPipelineState(envmapPass_PipelineState.get());
SetPerFrameCb(ctx, 0);
ctx->SetShaderResources(1, prefilteredSplitSumViews.get());
ctx->SetVertexBuffer(fsQuad.vertexBuffer.get());
ctx->Draw(fsQuad.vertexCount);
});
}
void GraphicsEngine::CreateDebugPrimPass(Ptr<Netcode::FrameGraphBuilder> builder) {
builder->CreateRenderPass("Debug", [this](IResourceContext * ctx) ->void {
ctx->Writes(nullptr);
graphics->debug->UploadResources(ctx);
},
[this](IRenderContext * ctx) -> void {
ctx->SetRenderTargets(nullptr, gbufferPass_DepthStencilView.get());
graphics->debug->Draw(ctx, perFrameData->ViewProj);
});
}
void GraphicsEngine::Reset() {
skinningPass_Input.clear();
skinnedGbufferPass_Input.clear();
gbufferPass_Input.clear();
perFrameCbuffer = 0;
sceneLights->clear();
}
void GraphicsEngine::OnResize(int x, int y) {
Netcode::UInt2 newSize{ static_cast<uint32_t>(x), static_cast<uint32_t>(y) };
if(newSize.x != backbufferSize.x || newSize.y != backbufferSize.y) {
backbufferSize = newSize;
if(backbufferSize.x != 0 && backbufferSize.y != 0) {
CreateGbufferPassSizeDependentResources();
//CreateLightingPassResourceViews();
//CreateSSAOOcclusionPassSizeDependentResources();
}
}
}
void GraphicsEngine::CreatePermanentResources(Netcode::Module::IGraphicsModule * g) {
graphics = g;
backbufferSize = graphics->GetBackbufferSize();
lightingData_StructuredBuffer = g->resources->CreateStructuredBuffer(1024 * sizeof(Netcode::Light), sizeof(Netcode::Light), ResourceType::PERMANENT_UPLOAD, ResourceState::ANY_READ, ResourceFlags::NONE);
Netcode::Light dirL = Netcode::DirectionalLight{ Netcode::Float3::One, Netcode::Float3{ 0.0f, 0.2f, 1.0f } };
g->resources->CopyConstants(lightingData_StructuredBuffer, &dirL, sizeof(dirL));
CreateGbufferPassPermanentResources();
CreateSkinningPassPermanentResources();
CreateSkinnedGbufferPassPermanentResources();
//CreateLightingPassPermanentResources();
CreateBackgroundPassPermanentResources();
//CreateSSAOBlurPassPermanentResources();
//CreateSSAOOcclusionPassPermanentResources();
CreateUIPassPermanentResources();
CreateFSQuad();
}
void GraphicsEngine::CreateFrameGraph(Ptr<Netcode::FrameGraphBuilder> builder) {
if(!sceneLights->empty()) {
graphics->resources->CopyConstants(lightingData_StructuredBuffer, sceneLights->data(),
std::min(1024ull, sceneLights->size()) * sizeof(Netcode::Light));
}
CreatePreGbufferPass(builder);
CreateSkinnedGbufferPass(builder);
CreateGbufferPass(builder);
CreatePostGbufferPass(builder);
//CreateSSAOOcclusionPass(builder);
//CreateSSAOBlurPass(builder);
//CreateLightingPass(builder);
CreateBackgroundPass(builder);
CreateUIPass(builder);
#if defined(NETCODE_DEBUG)
if(graphics->debug != nullptr) {
CreateDebugPrimPass(builder);
}
#endif
}
void GraphicsEngine::CreateComputeFrameGraph(Ptr<Netcode::FrameGraphBuilder> builder) {
CreateSkinningPass(builder);
}
Ref<GpuResource> GraphicsEngine::PreIntegrateBrdf(Ptr<Netcode::FrameGraphBuilder> builder)
{
if(IBLPreIntegratePass_RootSignature == nullptr) {
Ref<Netcode::ShaderBuilder> shaderBuilder = graphics->CreateShaderBuilder();
Ref<Netcode::ShaderBytecode> prefilterShader = shaderBuilder->LoadBytecode(L"IBL_brdfPreIntegrate_Compute.cso");
Ref<Netcode::CPipelineStateBuilder> cBuilder = graphics->CreateCPipelineStateBuilder();
Ref<Netcode::RootSignatureBuilder> rootSigBuilder = graphics->CreateRootSignatureBuilder();
IBLPreIntegratePass_RootSignature = rootSigBuilder->BuildFromShader(prefilterShader);
cBuilder->SetComputeShader(prefilterShader);
cBuilder->SetRootSignature(IBLPreIntegratePass_RootSignature);
IBLPreIntegratePass_PipelineState = cBuilder->Build();
}
const uint32_t SIZE = 512;
Ref<GpuResource> resource = graphics->resources->CreateTexture2D(SIZE, SIZE, 1,
DXGI_FORMAT_R16G16_FLOAT, ResourceType::PERMANENT_DEFAULT, ResourceState::UNORDERED_ACCESS, ResourceFlags::ALLOW_UNORDERED_ACCESS);
Ref<ResourceViews> tempViews = graphics->resources->CreateShaderResourceViews(1);
tempViews->CreateUAV(0, resource.get());
builder->CreateRenderPass("CubemapPrefilter",
[resource](IResourceContext * ctx) -> void {
ctx->UseComputeContext();
ctx->Writes(resource.get());
},
[this, SIZE, tempViews, resource](IRenderContext * ctx) -> void {
ctx->SetPipelineState(IBLPreIntegratePass_PipelineState.get());
ctx->SetRootSignature(IBLPreIntegratePass_RootSignature.get());
ctx->SetShaderResources(0, tempViews.get());
ctx->Dispatch(SIZE / 8, SIZE / 8, 1);
});
builder->CreateRenderPass("CubemapPrefilter:StateChange",
[resource](IResourceContext * ctx) -> void {
ctx->Reads(resource.get());
},
[resource](IRenderContext * ctx) -> void {