protected void PerformPostProcessing(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams)
{
//Graphics.Blit(source, dest);
source = DepthOfFieldStep(postProcessParams, source);
//Do this after DoF so DoF gets included (if active)
postProcessParams.halfResSource = m_downsampling.DownsampleFireflyRemoving(source);
//postProcessParams.halfResSource = m_downsampling.Downsample(source);
if (postProcessParams.bloom == true)
{
postProcessParams.bloomTexture = m_bloomClass.CreateBloomTexture(postProcessParams.halfResSource, postProcessParams.bloomParams);
if (postProcessParams.exposure == true)
{
const int minimumReqPixels = 100;
int numSearches;
RenderTexture textureToAverage = m_bloomClass.TryGetSmallBloomTexture(minimumReqPixels, out numSearches);
float energyNormalizer = m_bloomClass.GetEnergyNormalizer(numSearches);
if (textureToAverage == null)
{
textureToAverage = postProcessParams.halfResSource; energyNormalizer = 1.0f;
}
m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, textureToAverage, postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV,
energyNormalizer, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
}
else if (postProcessParams.exposure == true)
{
m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, postProcessParams.halfResSource, postProcessParams.halfWidth,
postProcessParams.preCalcValues.tanHalfFoV, 1.0f, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
//Graphics.Blit(source, dest);
m_combinationPass.Combine(source, dest, postProcessParams, m_virtualCamera);
m_scionDebug.VisualizeDebug(dest);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
RenderTexture.ReleaseTemporary(postProcessParams.halfResDepth);
RenderTexture.ReleaseTemporary(postProcessParams.dofTexture);
m_bloomClass.EndOfFrameCleanup();
m_virtualCamera.EndOfFrameCleanup();
m_depthOfFieldClass.EndOfFrameCleanup();
if (postProcessParams.depthOfField == true)
{
RenderTexture.ReleaseTemporary(source);
}
}