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Add option for smooth DDGI cascades blending

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This commit is contained in:
Wojtek Figat
2024-07-18 23:51:03 +02:00
parent 03898a064a
commit 3aa8e67551
7 changed files with 115 additions and 57 deletions
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20
Source/Engine/Renderer/GI/DynamicDiffuseGlobalIllumination.cpp
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@@ -221,12 +221,16 @@ bool DynamicDiffuseGlobalIlluminationPass::setupResources()
_csUpdateProbesDistance = shader->GetCS("CS_UpdateProbes", 1);
auto device = GPUDevice::Instance;
auto psDesc = GPUPipelineState::Description::DefaultFullscreenTriangle;
if (!_psIndirectLighting)
if (!_psIndirectLighting[0])
{
_psIndirectLighting = device->CreatePipelineState();
_psIndirectLighting[0] = device->CreatePipelineState();
_psIndirectLighting[1] = device->CreatePipelineState();
psDesc.PS = shader->GetPS("PS_IndirectLighting");
psDesc.BlendMode = BlendingMode::Add;
if (_psIndirectLighting->Init(psDesc))
if (_psIndirectLighting[0]->Init(psDesc))
return true;
psDesc.PS = shader->GetPS("PS_IndirectLighting", 1);
if (_psIndirectLighting[1]->Init(psDesc))
return true;
}
@@ -246,7 +250,8 @@ void DynamicDiffuseGlobalIlluminationPass::OnShaderReloading(Asset* obj)
_csTraceRays[3] = nullptr;
_csUpdateProbesIrradiance = nullptr;
_csUpdateProbesDistance = nullptr;
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting);
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting[0]);
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting[1]);
invalidateResources();
}
@@ -260,7 +265,8 @@ void DynamicDiffuseGlobalIlluminationPass::Dispose()
_cb0 = nullptr;
_cb1 = nullptr;
_shader = nullptr;
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting);
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting[0]);
SAFE_DELETE_GPU_RESOURCE(_psIndirectLighting[1]);
#if USE_EDITOR
_debugModel = nullptr;
_debugMaterial = nullptr;
@@ -534,7 +540,7 @@ bool DynamicDiffuseGlobalIlluminationPass::RenderInner(RenderContext& renderCont
// Update probes
{
PROFILE_GPU_CPU_NAMED("Probes Update");
uint32 threadGroupsX, threadGroupsY;
uint32 threadGroupsX;
#if DDGI_DEBUG_STATS
uint32 zero[4] = {};
context->ClearUA(ddgiData.StatsWrite, zero);
@@ -732,7 +738,7 @@ bool DynamicDiffuseGlobalIlluminationPass::Render(RenderContext& renderContext,
context->BindSR(6, ddgiData.Result.ProbesIrradiance);
context->SetViewportAndScissors(renderContext.View.ScreenSize.X, renderContext.View.ScreenSize.Y);
context->SetRenderTarget(lightBuffer);
context->SetState(_psIndirectLighting);
context->SetState(_psIndirectLighting[Graphics::GICascadesBlending ? 1 : 0]);
context->DrawFullscreenTriangle();
}

2
Source/Engine/Renderer/GI/DynamicDiffuseGlobalIllumination.h
View File

@@ -47,7 +47,7 @@ private:
GPUShaderProgramCS* _csTraceRays[4];
GPUShaderProgramCS* _csUpdateProbesIrradiance;
GPUShaderProgramCS* _csUpdateProbesDistance;
GPUPipelineState* _psIndirectLighting;
GPUPipelineState* _psIndirectLighting[2] = {};
#if USE_EDITOR
AssetReference<Model> _debugModel;
AssetReference<MaterialBase> _debugMaterial;