void DoColorGradingToneMapping(int sourceId)
{
ConfigureColorAdjustments();
ConfigWhiteBalance();
ConfigureSplitToning();
ConfigureChannelMixer();
ConfigureShadowsMidtonesHighlights();
//生成LUT 查找表
int lutHeight = colorLUTResolution;
int lutWidth = lutHeight * lutHeight;
buffer.GetTemporaryRT(colorGradingLUTId, lutWidth, lutHeight, 0, FilterMode.Bilinear, RenderTextureFormat.DefaultHDR);
buffer.SetGlobalVector(colorGradingLUTParametersId, new Vector4(lutHeight, 0.5f / lutWidth, 0.5f / lutHeight, lutHeight / (lutHeight - 1f)));
//渲染ColorGrading和ToneMapping 到渲染纹理
ToneMappingSettings.Mode mode = settings.ToneMapping.mode;
Pass pass = Pass.ColorGradingNone + (int)mode;
buffer.SetGlobalFloat(colorGradingLUTInLogId, useHDR && pass != Pass.ColorGradingNone ? 1f:0f);
Draw(sourceId, colorGradingLUTId, pass);
//FinalPass
buffer.SetGlobalVector(colorGradingLUTParametersId, new Vector4(1f / lutWidth, 1f / lutHeight, lutHeight - 1f));
//Draw(sourceId,BuiltinRenderTextureType.CameraTarget,Pass.Final);
DrawFinal(sourceId);
buffer.ReleaseTemporaryRT(colorGradingLUTId);
}
void DoColorGradingAndToneMapping(int sourceId)
{
ConfigureColorAdjustments();
ConfigureWhiteBalance();
ConfigureSplitToning();
ConfigureChannelMixer();
ConfigureShadowsMidtonesHighlights();
int lutHeight = colorLUTResolution;
int lutWidth = lutHeight * lutHeight;
buffer.GetTemporaryRT(
colorGradingLUTId, lutWidth, lutHeight, 0,
FilterMode.Bilinear, RenderTextureFormat.DefaultHDR
);
buffer.SetGlobalVector(colorGradingLUTParametersId, new Vector4(
lutHeight, 0.5f / lutWidth, 0.5f / lutHeight, lutHeight / (lutHeight - 1f)
));
ToneMappingSettings.Mode mode = settings.ToneMapping.mode;
Pass pass = Pass.ColorGradingNone + (int)mode;
buffer.SetGlobalFloat(
colorGradingLUTInLogId, useHDR && pass != Pass.ColorGradingNone ? 1f : 0f
);
Draw(sourceId, colorGradingLUTId, pass);
buffer.SetGlobalVector(colorGradingLUTParametersId,
new Vector4(1f / lutWidth, 1f / lutHeight, lutHeight - 1f)
);
if (bufferSize.x == camera.pixelWidth)
{
DrawFinal(sourceId, Pass.Final);
}
else
{
buffer.SetGlobalFloat(finalSrcBlendId, 1f);
buffer.SetGlobalFloat(finalDstBlendId, 0f);
buffer.GetTemporaryRT(
finalResultId, bufferSize.x, bufferSize.y, 0,
FilterMode.Bilinear, RenderTextureFormat.Default
);
Draw(sourceId, finalResultId, Pass.Final);
bool bicubicSampling =
bicubicRescaling == CameraBufferSettings.BicubicRescalingMode.UpAndDown ||
bicubicRescaling == CameraBufferSettings.BicubicRescalingMode.UpOnly &&
bufferSize.x < camera.pixelWidth;
buffer.SetGlobalFloat(copyBicubicId, bicubicSampling ? 1f : 0f);
DrawFinal(finalResultId, Pass.FinalRescale);
buffer.ReleaseTemporaryRT(finalResultId);
}
buffer.ReleaseTemporaryRT(colorGradingLUTId);
}
