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Add realtime sky/skybox capturing for GI

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This commit is contained in:
Wojciech Figat
2022-05-23 12:53:39 +02:00
parent 375222a089
commit 72c0474397
13 changed files with 156 additions and 39 deletions
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2
Source/Engine/Renderer/GI/DynamicDiffuseGlobalIllumination.cpp
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@@ -272,6 +272,7 @@ bool DynamicDiffuseGlobalIlluminationPass::Render(RenderContext& renderContext,
GlobalSurfaceAtlasPass::BindingData bindingDataSurfaceAtlas;
if (GlobalSurfaceAtlasPass::Instance()->Render(renderContext, context, bindingDataSurfaceAtlas))
return true;
GPUTextureView* skybox = GBufferPass::Instance()->RenderSkybox(renderContext, context);
// Skip if already done in the current frame
const auto currentFrame = Engine::FrameCount;
@@ -411,6 +412,7 @@ bool DynamicDiffuseGlobalIlluminationPass::Render(RenderContext& renderContext,
context->BindSR(10, bindingDataSurfaceAtlas.AtlasDepth->View());
context->BindSR(11, bindingDataSurfaceAtlas.AtlasLighting->View());
context->BindSR(12, ddgiData.Result.ProbesState);
context->BindSR(13, skybox);
context->BindUA(0, ddgiData.ProbesTrace->View());
context->Dispatch(_csTraceRays, probeRaysCount / DDGI_TRACE_RAYS_GROUP_SIZE_X, probesCount, 1);
context->ResetUA();

12
Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
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@@ -2,6 +2,7 @@
#include "GlobalSurfaceAtlasPass.h"
#include "../GlobalSignDistanceFieldPass.h"
#include "../GBufferPass.h"
#include "../RenderList.h"
#include "../ShadowsPass.h"
#include "Engine/Core/Math/Matrix3x3.h"
@@ -36,7 +37,7 @@ PACK_STRUCT(struct Data0
{
Vector3 ViewWorldPos;
float ViewNearPlane;
float Padding00;
float SkyboxIntensity;
uint32 CulledObjectsCapacity;
float LightShadowsStrength;
float ViewFarPlane;
@@ -815,11 +816,12 @@ void GlobalSurfaceAtlasPass::RenderDebug(RenderContext& renderContext, GPUContex
context->Draw(output, renderContext.Buffers->GBuffer0);
return;
}
GPUTextureView* skybox = GBufferPass::Instance()->RenderSkybox(renderContext, context);
PROFILE_GPU_CPU("Global Surface Atlas Debug");
const Vector2 outputSize(output->Size());
Data0 data;
{
Data0 data;
data.ViewWorldPos = renderContext.View.Position;
data.ViewNearPlane = renderContext.View.Near;
data.ViewFarPlane = renderContext.View.Far;
@@ -827,6 +829,7 @@ void GlobalSurfaceAtlasPass::RenderDebug(RenderContext& renderContext, GPUContex
data.ViewFrustumWorldRays[i] = Vector4(renderContext.List->FrustumCornersWs[i + 4], 0);
data.GlobalSDF = bindingDataSDF.Constants;
data.GlobalSurfaceAtlas = bindingData.Constants;
data.SkyboxIntensity = 1.0f;
context->UpdateCB(_cb0, &data);
context->BindCB(0, _cb0);
}
@@ -838,6 +841,7 @@ void GlobalSurfaceAtlasPass::RenderDebug(RenderContext& renderContext, GPUContex
context->BindSR(8, bindingData.Chunks ? bindingData.Chunks->View() : nullptr);
context->BindSR(9, bindingData.CulledObjects ? bindingData.CulledObjects->View() : nullptr);
context->BindSR(10, bindingData.AtlasDepth->View());
context->BindSR(12, skybox);
context->SetState(_psDebug);
context->SetRenderTarget(output->View());
{
@@ -850,6 +854,10 @@ void GlobalSurfaceAtlasPass::RenderDebug(RenderContext& renderContext, GPUContex
context->SetScissor(Rectangle(0, 0, outputSizeTwoThird.X, outputSize.Y));
context->DrawFullscreenTriangle();
// Disable skybox
data.SkyboxIntensity = 0.0f;
context->UpdateCB(_cb0, &data);
// Bottom left - diffuse
context->BindSR(11, bindingData.AtlasGBuffer0->View());
context->SetViewportAndScissors(Viewport(outputSizeTwoThird.X, 0, outputSizeThird.X, outputSizeThird.Y));