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[HDRP] Fix white flash with SSR when resetting camera history #5089

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merged 4 commits into from
Jul 9, 2021
Merged

[HDRP] Fix white flash with SSR when resetting camera history #5089

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a0a416d
Fix white flash with SSR when resetting camera history
pmavridis Jul 7, 2021
9d3e35d
Move branch login inside GetPreviousExposureTexture
pmavridis Jul 7, 2021
3e92ef5
Fix for fixed exposure
pmavridis Jul 8, 2021
9e97a59
Merge remote-tracking branch 'origin/hd/bugfix' into HDRP/ssr_flash
pmavridis Jul 8, 2021
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Move branch login inside GetPreviousExposureTexture
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@pmavridis
pmavridis committed Jul 7, 2021
commit 9d3e35d3f3d90ebbc45fa4a59f79f9b8f87afc8d
2 changes: 1 addition & 1 deletion com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Camera/HDCamera.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -561,7 +561,7 @@ RTHandle Allocator(string id, int frameIndex, RTHandleSystem rtHandleSystem)
internal HDAdditionalCameraData.TAAQualityLevel TAAQuality { get; private set; } = HDAdditionalCameraData.TAAQualityLevel.Medium;

internal bool resetPostProcessingHistory = true;
internal bool didResetPostProcessingHistoryInLastFrame = true;
internal bool didResetPostProcessingHistoryInLastFrame = false;

internal bool dithering => m_AdditionalCameraData != null && m_AdditionalCameraData.dithering;

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8 changes: 3 additions & 5 deletions ...y.render-pipelines.high-definition/Runtime/RenderPipeline/HDRenderPipeline.PostProcess.cs
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Expand Up @@ -377,10 +377,8 @@ void BeginPostProcessFrame(CommandBuffer cmd, HDCamera camera, HDRenderPipeline
}
}

// If the history was reset in the previous frame, then the history buffers were actually rendered with a neutral EV100 exposure multiplier
var prevExposureTexture = camera.didResetPostProcessingHistoryInLastFrame ? m_EmptyExposureTexture : GetPreviousExposureTexture(camera);
cmd.SetGlobalTexture(HDShaderIDs._ExposureTexture, GetExposureTexture(camera));
cmd.SetGlobalTexture(HDShaderIDs._PrevExposureTexture, prevExposureTexture);
cmd.SetGlobalTexture(HDShaderIDs._PrevExposureTexture, GetPreviousExposureTexture(camera));
}

if (m_DLSSPass != null)
Expand Down Expand Up @@ -783,8 +781,8 @@ internal RTHandle GetExposureTextureHandle(RTHandle rt)

RTHandle GetPreviousExposureTexture(HDCamera camera)
{
// See GetExposureTexture
return GetExposureTextureHandle(camera.currentExposureTextures.previous);
// If the history was reset in the previous frame, then the history buffers were actually rendered with a neutral EV100 exposure multiplier
return camera.didResetPostProcessingHistoryInLastFrame ? m_EmptyExposureTexture : GetExposureTextureHandle(camera.currentExposureTextures.previous);
}

RTHandle GetExposureDebugData()
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