public void Combine(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams, VirtualCamera virtualCamera)
{
if (postProcessParams.bloom)
{
this.PrepareBloomSampling(postProcessParams.bloomTexture, postProcessParams.bloomParams);
}
if (postProcessParams.lensDirt)
{
this.PrepareLensDirtSampling(postProcessParams.lensDirtTexture, postProcessParams.lensDirtParams);
}
this.PrepareExposure(postProcessParams.cameraParams, virtualCamera);
this.PrepareColorGrading(postProcessParams.colorGradingParams);
this.UploadVariables(postProcessParams.commonPostProcess);
int num = 0;
if (!postProcessParams.tonemapping)
{
num += 3;
}
if (!postProcessParams.bloom)
{
num += 2;
}
else if (!postProcessParams.lensDirt)
{
num++;
}
source.filterMode = FilterMode.Bilinear;
source.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(source, dest, this.m_combinationMat, num);
}
private void SetupPostProcessParameters(PostProcessParameters postProcessParams, RenderTexture source)
{
this.focalDistance = ((this.focalDistance >= this.m_camera.nearClipPlane + 0.3f) ? this.focalDistance : (this.m_camera.nearClipPlane + 0.3f));
postProcessParams.halfResSource = null;
postProcessParams.halfResDepth = this.m_downsampling.DownsampleDepthTexture(source.width, source.height);
postProcessParams.width = source.width;
postProcessParams.height = source.height;
postProcessParams.halfWidth = source.width / 2;
postProcessParams.halfHeight = source.height / 2;
if (this.prevCamFoV != this.m_camera.fieldOfView)
{
postProcessParams.preCalcValues.tanHalfFoV = Mathf.Tan(this.m_camera.fieldOfView * 0.5f * 0.0174532924f);
this.prevCamFoV = this.m_camera.fieldOfView;
}
postProcessParams.DoFParams.useMedianFilter = true;
if (!this.userControlledFocalLength)
{
postProcessParams.cameraParams.focalLength = ScionUtility.GetFocalLength(postProcessParams.preCalcValues.tanHalfFoV);
}
else
{
postProcessParams.cameraParams.focalLength = this.focalLength * 0.001f;
}
postProcessParams.cameraParams.apertureDiameter = ScionUtility.ComputeApertureDiameter(this.fNumber, postProcessParams.cameraParams.focalLength);
postProcessParams.cameraParams.fieldOfView = this.m_camera.fieldOfView;
postProcessParams.cameraParams.aspect = this.m_camera.aspect;
postProcessParams.cameraParams.nearPlane = this.m_camera.nearClipPlane;
postProcessParams.cameraParams.farPlane = this.m_camera.farClipPlane;
postProcessParams.isFirstRender = this.m_isFirstRender;
this.m_isFirstRender = false;
}
private void SetGlobalParameters(PostProcessParameters postProcessParams)
{
Vector4 value = default(Vector4);
value.x = postProcessParams.cameraParams.nearPlane;
value.y = postProcessParams.cameraParams.farPlane;
value.z = 1f / value.y;
value.w = value.x * value.z;
Shader.SetGlobalVector("_ScionNearFarParams", value);
Shader.SetGlobalTexture("_HalfResSourceTexture", postProcessParams.halfResSource);
Shader.SetGlobalTexture("_HalfResDepthTexture", postProcessParams.halfResDepth);
Shader.SetGlobalVector("_ScionResolutionParameters1", new Vector4
{
x = (float)postProcessParams.halfWidth,
y = (float)postProcessParams.halfHeight,
z = (float)postProcessParams.width,
w = (float)postProcessParams.height
});
Shader.SetGlobalVector("_ScionResolutionParameters2", new Vector4
{
x = 1f / (float)postProcessParams.halfWidth,
y = 1f / (float)postProcessParams.halfHeight,
z = 1f / (float)postProcessParams.width,
w = 1f / (float)postProcessParams.height
});
Shader.SetGlobalVector("_ScionCameraParams1", new Vector4
{
x = postProcessParams.cameraParams.apertureDiameter,
y = postProcessParams.cameraParams.focalLength,
z = postProcessParams.cameraParams.aspect
});
}
private void UploadVariables(PostProcessParameters postProcessParams)
{
Vector4 postProcessParams1 = new Vector4();
postProcessParams1.x = postProcessParams.commonPostProcess.grainIntensity;
postProcessParams1.y = postProcessParams.commonPostProcess.vignetteIntensity;
postProcessParams1.z = postProcessParams.commonPostProcess.vignetteScale;
postProcessParams1.w = postProcessParams.commonPostProcess.chromaticAberrationDistortion;
m_combinationMat.SetVector("_PostProcessParams1", postProcessParams1);
Vector4 postProcessParams2 = new Vector4();
postProcessParams2.x = postProcessParams.commonPostProcess.vignetteColor.r;
postProcessParams2.y = postProcessParams.commonPostProcess.vignetteColor.g;
postProcessParams2.z = postProcessParams.commonPostProcess.vignetteColor.b;
postProcessParams2.w = postProcessParams.commonPostProcess.chromaticAberrationIntensity;
m_combinationMat.SetVector("_PostProcessParams2", postProcessParams2);
Vector4 postProcessParams3 = new Vector4();
postProcessParams3.x = Random.value;
postProcessParams3.y = ScionUtility.GetWhitePointMultiplier(postProcessParams.commonPostProcess.whitePoint);
postProcessParams3.z = 1.0f / postProcessParams.commonPostProcess.whitePoint;
m_combinationMat.SetVector("_PostProcessParams3", postProcessParams3);
}
//This function is also responsible for downsampling the depth buffer and binding it
protected RenderTexture DepthOfFieldStep(PostProcessParameters postProcessParams, RenderTexture source)
{
if (postProcessParams.depthOfField == false)
{
return(source);
}
RenderTexture exclusionMask = null;
if (postProcessParams.DoFParams.depthOfFieldMask != 0) //If objects are masked out
{
exclusionMask = m_depthOfFieldClass.RenderExclusionMask(postProcessParams.width, postProcessParams.height, postProcessParams.camera,
postProcessParams.cameraTransform, postProcessParams.DoFParams.depthOfFieldMask);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(exclusionMask, false, false, false);
RenderTexture downsampledExclusionMask = m_downsampling.DownsampleMinFilter(source.width, source.height, exclusionMask);
RenderTexture.ReleaseTemporary(exclusionMask);
exclusionMask = downsampledExclusionMask;
}
//postProcessParams.halfResSource = m_downsampling.DownsampleFireflyRemoving(source);
postProcessParams.halfResSource = m_downsampling.DownsampleFireflyRemovingBilateral(source, postProcessParams.halfResDepth);
source = m_depthOfFieldClass.RenderDepthOfField(postProcessParams, source, m_virtualCamera, exclusionMask);
//Downsample scene again, this time with DoF applied
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
if (exclusionMask != null)
{
RenderTexture.ReleaseTemporary(exclusionMask);
}
return(source);
}
protected virtual void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
if (postProcessParams.cameraParams.cameraMode == CameraMode.Off ||
postProcessParams.cameraParams.cameraMode == CameraMode.Manual)
{
ShaderSettings.ExposureSettings.SetIndex(1);
}
else
{
ShaderSettings.ExposureSettings.SetIndex(0);
}
switch (postProcessParams.DoFParams.depthFocusMode)
{
case (DepthFocusMode.ManualDistance):
ShaderSettings.DepthFocusSettings.SetIndex(0);
break;
case (DepthFocusMode.ManualRange):
ShaderSettings.DepthFocusSettings.SetIndex(1);
break;
case (DepthFocusMode.PointAverage):
ShaderSettings.DepthFocusSettings.SetIndex(2);
break;
}
if (postProcessParams.DoFParams.depthOfFieldMask != 0)
{
ShaderSettings.DepthOfFieldMask.SetIndex(1);
}
else
{
ShaderSettings.DepthOfFieldMask.SetIndex(0);
}
switch (postProcessParams.colorGradingParams.colorGradingMode)
{
case (ColorGradingMode.Off):
ShaderSettings.ColorGradingSettings.SetIndex(0);
break;
case (ColorGradingMode.On):
ShaderSettings.ColorGradingSettings.SetIndex(1);
break;
case (ColorGradingMode.Blend):
ShaderSettings.ColorGradingSettings.SetIndex(2);
break;
}
if (postProcessParams.commonPostProcess.chromaticAberration == true)
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(1);
}
else
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(0);
}
}
protected void SetGlobalParameters(PostProcessParameters postProcessParams)
{
Vector4 nearFarParams = new Vector4();
nearFarParams.x = postProcessParams.cameraParams.nearPlane;
nearFarParams.y = postProcessParams.cameraParams.farPlane;
nearFarParams.z = 1.0f / nearFarParams.y;
nearFarParams.w = nearFarParams.x * nearFarParams.z;
Shader.SetGlobalVector("_ScionNearFarParams", nearFarParams);
Vector4 resolutionParams1 = new Vector4();
resolutionParams1.x = postProcessParams.halfWidth;
resolutionParams1.y = postProcessParams.halfHeight;
resolutionParams1.z = postProcessParams.width;
resolutionParams1.w = postProcessParams.height;
Shader.SetGlobalVector("_ScionResolutionParameters1", resolutionParams1);
Vector4 resolutionParams2 = new Vector4();
resolutionParams2.x = 1.0f / postProcessParams.halfWidth;
resolutionParams2.y = 1.0f / postProcessParams.halfHeight;
resolutionParams2.z = 1.0f / postProcessParams.width;
resolutionParams2.w = 1.0f / postProcessParams.height;
Shader.SetGlobalVector("_ScionResolutionParameters2", resolutionParams2);
Vector4 cameraParams1 = new Vector4();
cameraParams1.x = postProcessParams.cameraParams.apertureDiameter;
cameraParams1.y = postProcessParams.cameraParams.focalLength;
cameraParams1.z = postProcessParams.cameraParams.aspect;
Shader.SetGlobalVector("_ScionCameraParams1", cameraParams1);
Shader.SetGlobalTexture("_HalfResDepthTexture", postProcessParams.halfResDepth);
}
private void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
if (postProcessParams.cameraParams.cameraMode == CameraMode.Off || postProcessParams.cameraParams.cameraMode == CameraMode.Manual)
{
Debug.LogError("This functionality has been removed for The Forest to save on keywords!");
}
ColorGradingMode colorGradingMode = postProcessParams.colorGradingParams.colorGradingMode;
if (colorGradingMode != ColorGradingMode.Off)
{
if (colorGradingMode == ColorGradingMode.On)
{
ShaderSettings.ColorGradingSettings.SetIndex(1);
}
}
else
{
ShaderSettings.ColorGradingSettings.SetIndex(0);
}
if (postProcessParams.commonPostProcess.chromaticAberration)
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(1);
}
else
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(0);
}
}
public RenderTexture RenderDepthOfField(PostProcessParameters postProcessParams, RenderTexture source, RenderTexture dest, VirtualCamera virtualCamera)
{
this.CreateDX11Mat();
virtualCamera.BindVirtualCameraTextures(this.m_DoFMat);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraTextures(this.m_DoFMatDX11);
}
virtualCamera.BindVirtualCameraParams(this.m_DoFMat, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, (float)postProcessParams.halfWidth, postProcessParams.isFirstRender);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraParams(this.m_DoFMatDX11, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, (float)postProcessParams.halfWidth, postProcessParams.isFirstRender);
}
RenderTexture depthCenterAverage = null;
if (postProcessParams.DoFParams.depthFocusMode == DepthFocusMode.PointAverage)
{
depthCenterAverage = this.PrepatePointAverage(postProcessParams, dest);
}
RenderTexture renderTexture = this.CreateTiledData(postProcessParams.halfResDepth, postProcessParams.preCalcValues.tanHalfFoV, postProcessParams.cameraParams.fNumber, postProcessParams.DoFParams.focalDistance, postProcessParams.DoFParams.focalRange, postProcessParams.cameraParams.apertureDiameter, postProcessParams.cameraParams.focalLength, postProcessParams.DoFParams.maxCoCRadius, postProcessParams.cameraParams.nearPlane, postProcessParams.cameraParams.farPlane);
RenderTexture renderTexture2 = this.TileNeighbourhoodDataGathering(renderTexture);
RenderTexture renderTexture3 = this.PrefilterSource(postProcessParams.halfResSource);
RenderTexture renderTexture4 = this.BlurTapPass(renderTexture3, renderTexture, renderTexture2, depthCenterAverage, postProcessParams.DoFParams.quality);
if (postProcessParams.DoFParams.useMedianFilter)
{
renderTexture4 = this.MedianFilterPass(renderTexture4);
}
RenderTexture result = this.UpsampleDepthOfField(source, renderTexture4, renderTexture2);
RenderTexture.ReleaseTemporary(renderTexture);
RenderTexture.ReleaseTemporary(renderTexture2);
RenderTexture.ReleaseTemporary(renderTexture3);
RenderTexture.ReleaseTemporary(renderTexture4);
return result;
}
protected void SRGBSettings(PostProcessParameters postProcessParams)
{
//If color grading is on the sRGB conversion is handled manually instead
if (postProcessParams.colorGradingParams.colorGradingMode != ColorGradingMode.Off)
{
GL.sRGBWrite = false;
}
}
public RenderTexture RenderDepthOfField(PostProcessParameters postProcessParams, RenderTexture source, VirtualCamera virtualCamera, RenderTexture exclusionMask)
{
CreateDX11Mat();
if (ShaderSettings.ExposureSettings.IsActive("SC_EXPOSURE_AUTO") == true)
{
virtualCamera.BindVirtualCameraTextures(m_DoFMat);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraTextures(m_DoFMatDX11);
}
}
virtualCamera.BindVirtualCameraParams(m_DoFMat, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, postProcessParams.halfWidth, postProcessParams.isFirstRender);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraParams(m_DoFMatDX11, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, postProcessParams.halfWidth, postProcessParams.isFirstRender);
}
RenderTexture depthCenterAverage = null;
if (postProcessParams.DoFParams.depthFocusMode == DepthFocusMode.PointAverage)
{
depthCenterAverage = PrepatePointAverage(postProcessParams);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(depthCenterAverage, false, false, false);
}
RenderTexture tiledData = CreateTiledData(postProcessParams.halfResDepth,
postProcessParams.preCalcValues.tanHalfFoV,
postProcessParams.cameraParams.fNumber,
postProcessParams.DoFParams.focalDistance,
postProcessParams.DoFParams.focalRange,
postProcessParams.cameraParams.apertureDiameter,
postProcessParams.cameraParams.focalLength,
postProcessParams.DoFParams.maxCoCRadius,
postProcessParams.cameraParams.nearPlane,
postProcessParams.cameraParams.farPlane);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(exclusionMask, false, false, false);
RenderTexture neighbourhoodData = TileNeighbourhoodDataGathering(tiledData);
RenderTexture prefilteredSource = PrefilterSource(postProcessParams.halfResSource);
RenderTexture depthOfFieldTexture = BlurTapPass(prefilteredSource, tiledData, neighbourhoodData, exclusionMask, depthCenterAverage, postProcessParams.DoFParams.quality);
if (postProcessParams.DoFParams.useMedianFilter == true)
{
depthOfFieldTexture = MedianFilterPass(depthOfFieldTexture);
}
RenderTexture compositedDoF = UpsampleDepthOfField(source, depthOfFieldTexture, neighbourhoodData, exclusionMask);
RenderTexture.ReleaseTemporary(tiledData);
RenderTexture.ReleaseTemporary(neighbourhoodData);
RenderTexture.ReleaseTemporary(prefilteredSource);
RenderTexture.ReleaseTemporary(depthOfFieldTexture);
return(compositedDoF);
}
private bool ShouldInvertVAxis(PostProcessParameters postProcessParams)
{
if (postProcessParams.camera.actualRenderingPath == RenderingPath.Forward && QualitySettings.antiAliasing > 0)
{
return(true);
}
else
{
return(false);
}
}
public void Combine(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams, VirtualCamera virtualCamera)
{
if (postProcessParams.bloom == true)
{
PrepareBloomSampling(postProcessParams.bloomTexture, postProcessParams.glareParams);
}
if (postProcessParams.lensDirt == true)
{
PrepareLensDirtSampling(postProcessParams.lensDirtTexture, postProcessParams.lensDirtParams, postProcessParams.glareParams);
}
if (postProcessParams.lensFlare == true)
{
PrepareLensFlareSampling(postProcessParams.lensFlareParams, postProcessParams.lensFlareTexture, postProcessParams.cameraTransform);
}
PrepareExposure(postProcessParams.cameraParams, virtualCamera);
PrepareColorGrading(postProcessParams.colorGradingParams);
UploadVariables(postProcessParams);
//The reasoning behind the passIndex stuff is keyword avoidance
int passIndex = 0;
if (postProcessParams.tonemapping == false)
{
passIndex += 4;
}
if (postProcessParams.bloom == false)
{
passIndex += 2;
}
if (postProcessParams.lensDirt == false || postProcessParams.lensDirtTexture == null)
{
passIndex += 1;
}
source.filterMode = FilterMode.Bilinear;
source.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(source, dest, m_combinationMat, passIndex);
//Graphics.Blit(postProcessParams.blurTexture, dest);
//Graphics.Blit(postProcessParams.halfResSource, dest);
//Graphics.Blit(source, dest);
}
protected void SetupPostProcessParameters(PostProcessParameters postProcessParams, RenderTexture source)
{
focalDistance = focalDistance < m_camera.nearClipPlane + 0.3f ? m_camera.nearClipPlane + 0.3f : focalDistance;
postProcessParams.camera = m_camera;
postProcessParams.cameraTransform = m_cameraTransform;
//Done later
postProcessParams.halfResSource = null;
postProcessParams.halfResDepth = m_downsampling.DownsampleDepthTexture(source.width, source.height);
postProcessParams.width = source.width;
postProcessParams.height = source.height;
postProcessParams.halfWidth = source.width / 2;
postProcessParams.halfHeight = source.height / 2;
if (prevCamFoV != m_camera.fieldOfView)
{
postProcessParams.preCalcValues.tanHalfFoV = Mathf.Tan(m_camera.fieldOfView * 0.5f * Mathf.Deg2Rad);
prevCamFoV = m_camera.fieldOfView;
}
postProcessParams.DoFParams.useMedianFilter = true; //This could technically be a user choice, but its a lot of quality for a low price
if (userControlledFocalLength == false)
{
postProcessParams.cameraParams.focalLength = ScionUtility.GetFocalLength(postProcessParams.preCalcValues.tanHalfFoV);
}
else
{
postProcessParams.cameraParams.focalLength = focalLength * 0.001f; //Millimeter to meter
}
postProcessParams.cameraParams.apertureDiameter = ScionUtility.ComputeApertureDiameter(fNumber, postProcessParams.cameraParams.focalLength);
postProcessParams.cameraParams.fieldOfView = m_camera.fieldOfView;
postProcessParams.cameraParams.aspect = m_camera.aspect;
postProcessParams.cameraParams.nearPlane = m_camera.nearClipPlane;
postProcessParams.cameraParams.farPlane = m_camera.farClipPlane;
postProcessParams.isFirstRender = m_isFirstRender;
m_isFirstRender = false;
}
protected override void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
base.SetShaderKeyWords(postProcessParams);
switch (m_tonemappingMode)
{
case (TonemappingMode.Reinhard):
ShaderSettings.TonemappingSettings.SetIndex(0);
break;
case (TonemappingMode.LumaReinhard):
ShaderSettings.TonemappingSettings.SetIndex(1);
break;
case (TonemappingMode.Filmic):
ShaderSettings.TonemappingSettings.SetIndex(2);
break;
case (TonemappingMode.Photographic):
ShaderSettings.TonemappingSettings.SetIndex(3);
break;
}
}
private void PerformPostProcessing(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams)
{
if (postProcessParams.depthOfField)
{
postProcessParams.halfResSource = this.m_downsampling.DownsampleFireflyRemovingBilateral(source, postProcessParams.halfResDepth);
source = this.m_depthOfFieldClass.RenderDepthOfField(postProcessParams, source, dest, this.m_virtualCamera);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
}
postProcessParams.halfResSource = this.m_downsampling.DownsampleFireflyRemoving(source);
if (postProcessParams.bloom)
{
postProcessParams.bloomTexture = this.m_bloomClass.CreateBloomTexture(postProcessParams.halfResSource, postProcessParams.bloomParams);
if (postProcessParams.exposure)
{
RenderTexture renderTexture = this.m_bloomClass.TryGetSmallBloomTexture(50);
float energyNormalizer = this.m_bloomClass.GetEnergyNormalizer();
if (renderTexture == null)
{
renderTexture = postProcessParams.halfResSource;
energyNormalizer = 1f;
}
this.m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, renderTexture, (float)postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV, energyNormalizer, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
}
else if (postProcessParams.exposure)
{
this.m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, postProcessParams.halfResSource, (float)postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV, 1f, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
this.m_combinationPass.Combine(source, dest, postProcessParams, this.m_virtualCamera);
this.m_scionDebug.VisualizeDebug(dest);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
RenderTexture.ReleaseTemporary(postProcessParams.halfResDepth);
RenderTexture.ReleaseTemporary(postProcessParams.dofTexture);
this.m_bloomClass.EndOfFrameCleanup();
this.m_virtualCamera.EndOfFrameCleanup();
this.m_depthOfFieldClass.EndOfFrameCleanup();
if (postProcessParams.depthOfField)
{
RenderTexture.ReleaseTemporary(source);
}
}
protected override void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
base.SetShaderKeyWords(postProcessParams);
switch (m_tonemappingMode)
{
case (TonemappingMode.Reinhard):
ShaderSettings.TonemappingSettings.SetIndex(0);
break;
case (TonemappingMode.LumaReinhard):
ShaderSettings.TonemappingSettings.SetIndex(1);
break;
case (TonemappingMode.Filmic):
ShaderSettings.TonemappingSettings.SetIndex(2);
break;
case (TonemappingMode.Photographic):
ShaderSettings.TonemappingSettings.SetIndex(3);
break;
}
}
public void Combine(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams, VirtualCamera virtualCamera)
{
if (postProcessParams.bloom == true) PrepareBloomSampling(postProcessParams.bloomTexture, postProcessParams.glareParams);
if (postProcessParams.lensDirt == true) PrepareLensDirtSampling(postProcessParams.lensDirtTexture, postProcessParams.lensDirtParams, postProcessParams.glareParams);
if (postProcessParams.lensFlare == true) PrepareLensFlareSampling(postProcessParams.lensFlareParams, postProcessParams.lensFlareTexture, postProcessParams.cameraTransform);
PrepareExposure(postProcessParams.cameraParams, virtualCamera);
PrepareColorGrading(postProcessParams.colorGradingParams);
UploadVariables(postProcessParams);
//The reasoning behind the passIndex stuff is keyword avoidance
int passIndex = 0;
if (postProcessParams.tonemapping == false) passIndex += 4;
if (postProcessParams.bloom == false) passIndex += 2;
if (postProcessParams.lensDirt == false || postProcessParams.lensDirtTexture == null) passIndex += 1;
source.filterMode = FilterMode.Bilinear;
source.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(source, dest, m_combinationMat, passIndex);
//Graphics.Blit(postProcessParams.blurTexture, dest);
//Graphics.Blit(postProcessParams.halfResSource, dest);
//Graphics.Blit(source, dest);
}
public void Combine(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams, VirtualCamera virtualCamera)
{
if (postProcessParams.bloom == true)
{
PrepareBloomSampling(postProcessParams.bloomTexture, postProcessParams.bloomParams);
}
if (postProcessParams.lensDirt == true)
{
PrepareLensDirtSampling(postProcessParams.lensDirtTexture, postProcessParams.lensDirtParams);
}
PrepareExposure(postProcessParams.cameraParams, virtualCamera);
PrepareColorGrading(postProcessParams.colorGradingParams);
UploadVariables(postProcessParams.commonPostProcess);
int passIndex = 0;
if (postProcessParams.tonemapping == false)
{
passIndex += 3;
}
if (postProcessParams.bloom == false)
{
passIndex += 2;
}
else if (postProcessParams.lensDirt == false)
{
passIndex += 1;
}
source.filterMode = FilterMode.Bilinear;
source.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(source, dest, m_combinationMat, passIndex);
//Graphics.Blit(postProcessParams.blurTexture, dest);
//Graphics.Blit(postProcessParams.halfResSource, dest);
//Graphics.Blit(source, dest);
}
public RenderTexture RenderDepthOfField(PostProcessParameters postProcessParams, RenderTexture source, RenderTexture dest, VirtualCamera virtualCamera)
{
this.CreateDX11Mat();
virtualCamera.BindVirtualCameraTextures(this.m_DoFMat);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraTextures(this.m_DoFMatDX11);
}
virtualCamera.BindVirtualCameraParams(this.m_DoFMat, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, (float)postProcessParams.halfWidth, postProcessParams.isFirstRender);
if (postProcessParams.DoFParams.quality == DepthOfFieldQuality.High_DX11)
{
virtualCamera.BindVirtualCameraParams(this.m_DoFMatDX11, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, (float)postProcessParams.halfWidth, postProcessParams.isFirstRender);
}
RenderTexture depthCenterAverage = null;
if (postProcessParams.DoFParams.depthFocusMode == DepthFocusMode.PointAverage)
{
depthCenterAverage = this.PrepatePointAverage(postProcessParams, dest);
}
RenderTexture renderTexture = this.CreateTiledData(postProcessParams.halfResDepth, postProcessParams.preCalcValues.tanHalfFoV, postProcessParams.cameraParams.fNumber, postProcessParams.DoFParams.focalDistance, postProcessParams.DoFParams.focalRange, postProcessParams.cameraParams.apertureDiameter, postProcessParams.cameraParams.focalLength, postProcessParams.DoFParams.maxCoCRadius, postProcessParams.cameraParams.nearPlane, postProcessParams.cameraParams.farPlane);
RenderTexture renderTexture2 = this.TileNeighbourhoodDataGathering(renderTexture);
RenderTexture renderTexture3 = this.PrefilterSource(postProcessParams.halfResSource);
RenderTexture renderTexture4 = this.BlurTapPass(renderTexture3, renderTexture, renderTexture2, depthCenterAverage, postProcessParams.DoFParams.quality);
if (postProcessParams.DoFParams.useMedianFilter)
{
renderTexture4 = this.MedianFilterPass(renderTexture4);
}
RenderTexture result = this.UpsampleDepthOfField(source, renderTexture4, renderTexture2);
RenderTexture.ReleaseTemporary(renderTexture);
RenderTexture.ReleaseTemporary(renderTexture2);
RenderTexture.ReleaseTemporary(renderTexture3);
RenderTexture.ReleaseTemporary(renderTexture4);
return(result);
}
private void UploadTemporalReprojectionVariables(PostProcessParameters postProcessParams) //Transform cameraTransform, float tanHalfFoV, float aspect, float farClipPlane)
{
float dy = postProcessParams.preCalcValues.tanHalfFoV;
float dx = dy * postProcessParams.cameraParams.aspect;
Vector3 centerVP = postProcessParams.cameraTransform.forward;
Vector3 rightVP = postProcessParams.cameraTransform.right * dx;
Vector3 upVP = postProcessParams.cameraTransform.up * dy;
m_DoFMatTemporal.SetVector("_FrustumCornerBottomLeftVP", centerVP - rightVP - upVP);
m_DoFMatTemporal.SetVector("_FrustumCornerWidthVP", rightVP * 2.0f);
m_DoFMatTemporal.SetVector("_FrustumCornerHeightVP", upVP * 2.0f);
m_DoFMatTemporal.SetMatrix("_PreviousViewProjection", postProcessParams.cameraParams.previousViewProjection);
float temporalBlend = postProcessParams.DoFParams.temporalBlend;
m_DoFMatTemporal.SetFloat("_TemporalBlendFactor", temporalBlend);
const float temporalIncrement = 1.372f;
int temporalSteps = postProcessParams.DoFParams.temporalSteps;
if (temporalSteps > 0)
{
temporalUVOffset = temporalUVOffset + temporalIncrement;
while (temporalUVOffset > temporalIncrement * temporalSteps - 0.01f)
{
temporalUVOffset -= temporalIncrement * temporalSteps;
}
}
else
{
temporalUVOffset = 0.0f;
}
m_DoFMat.SetFloat("_TemporalUVOffset", temporalUVOffset);
}
protected void SetGlobalParameters(PostProcessParameters postProcessParams)
{
Vector4 nearFarParams = new Vector4();
nearFarParams.x = postProcessParams.cameraParams.nearPlane;
nearFarParams.y = postProcessParams.cameraParams.farPlane;
nearFarParams.z = 1.0f / nearFarParams.y;
nearFarParams.w = nearFarParams.x * nearFarParams.z;
Shader.SetGlobalVector("_ScionNearFarParams", nearFarParams);
Vector4 resolutionParams1 = new Vector4();
resolutionParams1.x = postProcessParams.halfWidth;
resolutionParams1.y = postProcessParams.halfHeight;
resolutionParams1.z = postProcessParams.width;
resolutionParams1.w = postProcessParams.height;
Shader.SetGlobalVector("_ScionResolutionParameters1", resolutionParams1);
Vector4 resolutionParams2 = new Vector4();
resolutionParams2.x = 1.0f / postProcessParams.halfWidth;
resolutionParams2.y = 1.0f / postProcessParams.halfHeight;
resolutionParams2.z = 1.0f / postProcessParams.width;
resolutionParams2.w = 1.0f / postProcessParams.height;
Shader.SetGlobalVector("_ScionResolutionParameters2", resolutionParams2);
Vector4 cameraParams1 = new Vector4();
cameraParams1.x = postProcessParams.cameraParams.apertureDiameter;
cameraParams1.y = postProcessParams.cameraParams.focalLength;
cameraParams1.z = postProcessParams.cameraParams.aspect;
cameraParams1.w = 1.0f / postProcessParams.cameraParams.aspect;
Shader.SetGlobalVector("_ScionCameraParams1", cameraParams1);
Vector4 cameraPosition = new Vector4();
cameraPosition.x = postProcessParams.cameraTransform.position.x;
cameraPosition.y = postProcessParams.cameraTransform.position.y;
cameraPosition.z = postProcessParams.cameraTransform.position.z;
Shader.SetGlobalVector("_ScionCameraPosition", cameraPosition);
//UnityEngine.Rendering.GraphicsDeviceType deviceType = SystemInfo.graphicsDeviceType;
//float forwardMSAAFix = 0.0f;
// if (deviceType == UnityEngine.Rendering.GraphicsDeviceType.Direct3D9 &&
// camera.actualRenderingPath == RenderingPath.Forward &&
// camera.hdr == false && QualitySettings.antiAliasing > 0) forwardMSAAFix = 1.0f;
//Shader.SetGlobalFloat("_ScionForwardMSAAFix", forwardMSAAFix);
}
protected virtual void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
if (postProcessParams.cameraParams.cameraMode == CameraMode.Off ||
postProcessParams.cameraParams.cameraMode == CameraMode.Manual)
{
ShaderSettings.ExposureSettings.SetIndex(1);
}
else ShaderSettings.ExposureSettings.SetIndex(0);
switch (postProcessParams.DoFParams.depthFocusMode)
{
case (DepthFocusMode.ManualDistance):
ShaderSettings.DepthFocusSettings.SetIndex(0);
break;
case (DepthFocusMode.ManualRange):
ShaderSettings.DepthFocusSettings.SetIndex(1);
break;
case (DepthFocusMode.TargetTransform):
ShaderSettings.DepthFocusSettings.SetIndex(0);
break;
case (DepthFocusMode.PointAverage):
ShaderSettings.DepthFocusSettings.SetIndex(2);
break;
}
if (postProcessParams.DoFParams.depthOfFieldMask != 0) ShaderSettings.DepthOfFieldMaskSettings.SetIndex(0);
else ShaderSettings.DepthOfFieldMaskSettings.Disable();
if (postProcessParams.lensFlare == true) ShaderSettings.LensFlareSettings.SetIndex(0);
else ShaderSettings.LensFlareSettings.Disable();
if (postProcessParams.colorGradingParams.colorGradingMode == ColorGradingMode.Off ||
postProcessParams.colorGradingParams.colorGradingTex1 == null)
{
ShaderSettings.ColorGradingSettings.Disable();
}
else
{
if (postProcessParams.colorGradingParams.colorGradingMode == ColorGradingMode.On) ShaderSettings.ColorGradingSettings.SetIndex(0);
if (postProcessParams.colorGradingParams.colorGradingMode == ColorGradingMode.Blend) ShaderSettings.ColorGradingSettings.SetIndex(1);
}
if (postProcessParams.commonPostProcess.chromaticAberration == true) ShaderSettings.ChromaticAberrationSettings.SetIndex(0);
else ShaderSettings.ChromaticAberrationSettings.Disable();
}
public RenderTexture RenderDepthOfField(PostProcessParameters postProcessParams, RenderTexture source, RenderTexture downsampledClrDepth,
VirtualCamera virtualCamera, RenderTexture exclusionMask)
{
if (ShaderSettings.ExposureSettings.IsActive("SC_EXPOSURE_AUTO") == true)
{
virtualCamera.BindVirtualCameraTextures(m_DoFMat);
}
virtualCamera.BindVirtualCameraParams(m_DoFMat, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, postProcessParams.halfWidth, postProcessParams.isFirstRender);
RenderTexture depthCenterAverage = null;
if (postProcessParams.DoFParams.depthFocusMode == DepthFocusMode.PointAverage)
{
depthCenterAverage = PrepatePointAverage(postProcessParams, downsampledClrDepth);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(depthCenterAverage, false, false, false);
}
RenderTexture tiledData = CreateTiledData(downsampledClrDepth,
postProcessParams.preCalcValues.tanHalfFoV,
postProcessParams.cameraParams.fNumber,
postProcessParams.DoFParams.focalDistance,
postProcessParams.DoFParams.focalRange,
postProcessParams.cameraParams.apertureDiameter,
postProcessParams.cameraParams.focalLength,
postProcessParams.DoFParams.maxCoCRadius,
postProcessParams.cameraParams.nearPlane,
postProcessParams.cameraParams.farPlane);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(exclusionMask, false, false, false);
RenderTexture neighbourhoodData = TileNeighbourhoodDataGathering(tiledData);
RenderTexture prefilteredSource = PrefilterSource(downsampledClrDepth);
RenderTexture.ReleaseTemporary(downsampledClrDepth);
RenderTexture presortTexture = Presort(prefilteredSource, neighbourhoodData);
if (postProcessParams.DoFParams.useTemporal == true) UploadTemporalReprojectionVariables(postProcessParams);
RenderTexture tapsTexture;
RenderTexture alphaTexture;
BlurTapPass(prefilteredSource, tiledData, neighbourhoodData, exclusionMask, depthCenterAverage, presortTexture,
postProcessParams.DoFParams.quality, out tapsTexture, out alphaTexture);
const bool temporalAlpha = false;
//Only do temporal super sampling in editor if its playing
#if UNITY_EDITOR
if (UnityEditor.EditorApplication.isPlaying == true &&
postProcessParams.DoFParams.useTemporal == true &&
previousTapsTexture != null)
{
if (temporalAlpha == true) TemporalPass(ref tapsTexture, ref alphaTexture, previousTapsTexture, previousAlphaTexture);
else TemporalPass(ref tapsTexture, previousTapsTexture);
}
#else
if (postProcessParams.DoFParams.useTemporal == true && previousTapsTexture != null)
{
if (temporalAlpha == true) TemporalPass(ref tapsTexture, ref alphaTexture, previousTapsTexture, previousAlphaTexture);
else TemporalPass(ref tapsTexture, previousTapsTexture);
}
#endif
//alphaTexture = BilateralAlphaFilter(alphaTexture, tapsTexture);
//alphaTexture = MedianFilterPass(alphaTexture);
if (postProcessParams.DoFParams.useMedianFilter == true) tapsTexture = MedianFilterPass(tapsTexture);
if (postProcessParams.DoFParams.visualizeFocalDistance == true) VisualizeFocalDistance(tapsTexture);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(presort, true, false, false);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(alphaTexture, false, false, false);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(previousTapsTexture, false, false, false);
RenderTexture compositedDoF = UpsampleDepthOfField(source, tapsTexture, alphaTexture, neighbourhoodData, exclusionMask);
RenderTexture.ReleaseTemporary(tiledData);
RenderTexture.ReleaseTemporary(neighbourhoodData);
RenderTexture.ReleaseTemporary(prefilteredSource);
RenderTexture.ReleaseTemporary(presortTexture);
if (copiedDepthBuffer != null) { RenderTexture.ReleaseTemporary(copiedDepthBuffer); copiedDepthBuffer = null; }
if (previousTapsTexture != null) { RenderTexture.ReleaseTemporary(previousTapsTexture); previousTapsTexture = null; }
if (previousAlphaTexture != null) { RenderTexture.ReleaseTemporary(previousAlphaTexture); previousAlphaTexture = null; }
if (postProcessParams.DoFParams.useTemporal == true)
{
previousTapsTexture = tapsTexture;
previousAlphaTexture = alphaTexture;
}
else
{
RenderTexture.ReleaseTemporary(tapsTexture);
RenderTexture.ReleaseTemporary(alphaTexture);
}
return compositedDoF;
}
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);
}
}
private RenderTexture PrepatePointAverage(PostProcessParameters postProcessParams, RenderTexture dest)
{
float num = this.Max(10f / (float)postProcessParams.halfResDepth.width, postProcessParams.DoFParams.pointAverageRange);
Vector4 vector = default(Vector4);
vector.x = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.x);
vector.y = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.y);
vector.z = num * num;
vector.w = 1f / (num * num);
this.m_DoFMat.SetVector("_DownsampleWeightedParams", vector);
if (this.previousPointAverage != null && !postProcessParams.isFirstRender)
{
this.m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1f - Mathf.Exp(-Time.deltaTime * postProcessParams.DoFParams.depthAdaptionSpeed));
this.m_DoFMat.SetTexture("_PreviousWeightedResult", this.previousPointAverage);
}
else
{
this.m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1f);
this.m_DoFMat.SetTexture("_PreviousWeightedResult", null);
}
postProcessParams.halfResDepth.filterMode = FilterMode.Bilinear;
int num2 = this.Max(postProcessParams.halfWidth / 2, 1);
int num3 = this.Max(postProcessParams.halfHeight / 2, 1);
RenderTexture temporary = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RGHalf);
temporary.filterMode = FilterMode.Bilinear;
temporary.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(postProcessParams.halfResDepth, temporary, this.m_DoFMat, 7);
if (postProcessParams.DoFParams.visualizePointFocus)
{
RenderTexture temporary2 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.ARGB32);
Graphics.Blit(temporary, temporary2, this.m_DoFMat, 9);
ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(temporary2, true, true, false);
}
RenderTexture renderTexture = temporary;
int i = this.Max(num2, num3);
while (i > 1)
{
num2 = this.Max(1, num2 / 2 + num2 % 2);
num3 = this.Max(1, num3 / 2 + num3 % 2);
i = i / 2 + i % 2;
RenderTexture temporary3;
if (i > 1)
{
temporary3 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RGHalf);
temporary3.filterMode = FilterMode.Bilinear;
temporary3.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(renderTexture, temporary3, this.m_DoFMat, 10);
}
else
{
temporary3 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RHalf);
temporary3.filterMode = FilterMode.Bilinear;
temporary3.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(renderTexture, temporary3, this.m_DoFMat, 8);
}
RenderTexture.ReleaseTemporary(renderTexture);
renderTexture = temporary3;
}
RenderTexture result = renderTexture;
if (this.previousPointAverage != null)
{
RenderTexture.ReleaseTemporary(this.previousPointAverage);
}
this.previousPointAverage = result;
return result;
}
private bool ShouldInvertVAxis(PostProcessParameters postProcessParams)
{
if (postProcessParams.camera.actualRenderingPath == RenderingPath.Forward && QualitySettings.antiAliasing > 0) return true;
else return false;
}
private void SetGlobalParameters(PostProcessParameters postProcessParams)
{
Vector4 vec = default(Vector4);
vec.x = postProcessParams.cameraParams.nearPlane;
vec.y = postProcessParams.cameraParams.farPlane;
vec.z = 1f / vec.y;
vec.w = vec.x * vec.z;
Shader.SetGlobalVector("_ScionNearFarParams", vec);
Shader.SetGlobalTexture("_HalfResSourceTexture", postProcessParams.halfResSource);
Shader.SetGlobalTexture("_HalfResDepthTexture", postProcessParams.halfResDepth);
Shader.SetGlobalVector("_ScionResolutionParameters1", new Vector4
{
x = (float)postProcessParams.halfWidth,
y = (float)postProcessParams.halfHeight,
z = (float)postProcessParams.width,
w = (float)postProcessParams.height
});
Shader.SetGlobalVector("_ScionResolutionParameters2", new Vector4
{
x = 1f / (float)postProcessParams.halfWidth,
y = 1f / (float)postProcessParams.halfHeight,
z = 1f / (float)postProcessParams.width,
w = 1f / (float)postProcessParams.height
});
Shader.SetGlobalVector("_ScionCameraParams1", new Vector4
{
x = postProcessParams.cameraParams.apertureDiameter,
y = postProcessParams.cameraParams.focalLength,
z = postProcessParams.cameraParams.aspect
});
}
private void PerformPostProcessing(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams)
{
if (postProcessParams.depthOfField)
{
postProcessParams.halfResSource = this.m_downsampling.DownsampleFireflyRemovingBilateral(source, postProcessParams.halfResDepth);
source = this.m_depthOfFieldClass.RenderDepthOfField(postProcessParams, source, dest, this.m_virtualCamera);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
}
postProcessParams.halfResSource = this.m_downsampling.DownsampleFireflyRemoving(source);
if (postProcessParams.bloom)
{
postProcessParams.bloomTexture = this.m_bloomClass.CreateBloomTexture(postProcessParams.halfResSource, postProcessParams.bloomParams);
if (postProcessParams.exposure)
{
RenderTexture renderTexture = this.m_bloomClass.TryGetSmallBloomTexture(50);
float energyNormalizer = this.m_bloomClass.GetEnergyNormalizer();
if (renderTexture == null)
{
renderTexture = postProcessParams.halfResSource;
energyNormalizer = 1f;
}
this.m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, renderTexture, (float)postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV, energyNormalizer, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
}
else if (postProcessParams.exposure)
{
this.m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, postProcessParams.halfResSource, (float)postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV, 1f, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
this.m_combinationPass.Combine(source, dest, postProcessParams, this.m_virtualCamera);
this.m_scionDebug.VisualizeDebug(dest);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
RenderTexture.ReleaseTemporary(postProcessParams.halfResDepth);
RenderTexture.ReleaseTemporary(postProcessParams.dofTexture);
this.m_bloomClass.EndOfFrameCleanup();
this.m_virtualCamera.EndOfFrameCleanup();
this.m_depthOfFieldClass.EndOfFrameCleanup();
if (postProcessParams.depthOfField)
{
RenderTexture.ReleaseTemporary(source);
}
}
public RenderTexture RenderDepthOfField(PostProcessParameters postProcessParams, RenderTexture source, RenderTexture downsampledClrDepth,
VirtualCamera virtualCamera, RenderTexture exclusionMask)
{
if (ShaderSettings.ExposureSettings.IsActive("SC_EXPOSURE_AUTO") == true)
{
virtualCamera.BindVirtualCameraTextures(m_DoFMat);
}
virtualCamera.BindVirtualCameraParams(m_DoFMat, postProcessParams.cameraParams, postProcessParams.DoFParams.focalDistance, postProcessParams.halfWidth, postProcessParams.isFirstRender);
RenderTexture depthCenterAverage = null;
if (postProcessParams.DoFParams.depthFocusMode == DepthFocusMode.PointAverage)
{
depthCenterAverage = PrepatePointAverage(postProcessParams, downsampledClrDepth);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(depthCenterAverage, false, false, false);
}
RenderTexture tiledData = CreateTiledData(downsampledClrDepth,
postProcessParams.preCalcValues.tanHalfFoV,
postProcessParams.cameraParams.fNumber,
postProcessParams.DoFParams.focalDistance,
postProcessParams.DoFParams.focalRange,
postProcessParams.cameraParams.apertureDiameter,
postProcessParams.cameraParams.focalLength,
postProcessParams.DoFParams.maxCoCRadius,
postProcessParams.cameraParams.nearPlane,
postProcessParams.cameraParams.farPlane);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(exclusionMask, false, false, false);
RenderTexture neighbourhoodData = TileNeighbourhoodDataGathering(tiledData);
RenderTexture prefilteredSource = PrefilterSource(downsampledClrDepth);
RenderTexture.ReleaseTemporary(downsampledClrDepth);
RenderTexture presortTexture = Presort(prefilteredSource, neighbourhoodData);
if (postProcessParams.DoFParams.useTemporal == true)
{
UploadTemporalReprojectionVariables(postProcessParams);
}
RenderTexture tapsTexture;
RenderTexture alphaTexture;
BlurTapPass(prefilteredSource, tiledData, neighbourhoodData, exclusionMask, depthCenterAverage, presortTexture,
postProcessParams.DoFParams.quality, out tapsTexture, out alphaTexture);
const bool temporalAlpha = false;
//Only do temporal super sampling in editor if its playing
#if UNITY_EDITOR
if (UnityEditor.EditorApplication.isPlaying == true &&
postProcessParams.DoFParams.useTemporal == true &&
previousTapsTexture != null)
{
if (temporalAlpha == true)
{
TemporalPass(ref tapsTexture, ref alphaTexture, previousTapsTexture, previousAlphaTexture);
}
else
{
TemporalPass(ref tapsTexture, previousTapsTexture);
}
}
#else
if (postProcessParams.DoFParams.useTemporal == true && previousTapsTexture != null)
{
if (temporalAlpha == true)
{
TemporalPass(ref tapsTexture, ref alphaTexture, previousTapsTexture, previousAlphaTexture);
}
else
{
TemporalPass(ref tapsTexture, previousTapsTexture);
}
}
#endif
//alphaTexture = BilateralAlphaFilter(alphaTexture, tapsTexture);
//alphaTexture = MedianFilterPass(alphaTexture);
if (postProcessParams.DoFParams.useMedianFilter == true)
{
tapsTexture = MedianFilterPass(tapsTexture);
}
if (postProcessParams.DoFParams.visualizeFocalDistance == true)
{
VisualizeFocalDistance(tapsTexture);
}
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(presort, true, false, false);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(alphaTexture, false, false, false);
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(previousTapsTexture, false, false, false);
RenderTexture compositedDoF = UpsampleDepthOfField(source, tapsTexture, alphaTexture, neighbourhoodData, exclusionMask);
RenderTexture.ReleaseTemporary(tiledData);
RenderTexture.ReleaseTemporary(neighbourhoodData);
RenderTexture.ReleaseTemporary(prefilteredSource);
RenderTexture.ReleaseTemporary(presortTexture);
if (copiedDepthBuffer != null)
{
RenderTexture.ReleaseTemporary(copiedDepthBuffer); copiedDepthBuffer = null;
}
if (previousTapsTexture != null)
{
RenderTexture.ReleaseTemporary(previousTapsTexture); previousTapsTexture = null;
}
if (previousAlphaTexture != null)
{
RenderTexture.ReleaseTemporary(previousAlphaTexture); previousAlphaTexture = null;
}
if (postProcessParams.DoFParams.useTemporal == true)
{
previousTapsTexture = tapsTexture;
previousAlphaTexture = alphaTexture;
}
else
{
RenderTexture.ReleaseTemporary(tapsTexture);
RenderTexture.ReleaseTemporary(alphaTexture);
}
return(compositedDoF);
}
private RenderTexture PrepatePointAverage(PostProcessParameters postProcessParams, RenderTexture downsampledClrDepth)
{
const int weightedDownsamplePassID = 7;
const int finalPassID = 8;
const int visualizationPassID = 9;
const int downsamplePassID = 10;
const RenderTextureFormat format = RenderTextureFormat.RGHalf;
const RenderTextureFormat format2 = RenderTextureFormat.RHalf;
//Force at least 10x10 pixels to always effect the depth
//Because stuff goes south if the circle is too small
float range = Max(10.0f / postProcessParams.halfWidth, postProcessParams.DoFParams.pointAverageRange);
Vector4 weightedDownsampleParams = new Vector4();
weightedDownsampleParams.x = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.x);
weightedDownsampleParams.y = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.y);
weightedDownsampleParams.z = range * range;
weightedDownsampleParams.w = 1.0f / (range * range);
m_DoFMat.SetVector("_DownsampleWeightedParams", weightedDownsampleParams);
if (previousPointAverage != null && postProcessParams.isFirstRender == false)
{
#if UNITY_EDITOR
if (UnityEditor.EditorApplication.isPlaying == false)
{
m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f);
}
else
#endif
{
m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f - Mathf.Exp(-Time.deltaTime * postProcessParams.DoFParams.depthAdaptionSpeed));
}
m_DoFMat.SetTexture("_PreviousWeightedResult", previousPointAverage);
}
else
{
m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f);
m_DoFMat.SetTexture("_PreviousWeightedResult", null);
}
downsampledClrDepth.filterMode = FilterMode.Bilinear;
const int maxSize = 1;
int texWidth = Max(postProcessParams.halfWidth / 2, maxSize);
int texHeight = Max(postProcessParams.halfHeight / 2, maxSize);
RenderTexture weightedDownsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format);
weightedDownsample.filterMode = FilterMode.Bilinear;
weightedDownsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(downsampledClrDepth, weightedDownsample, m_DoFMat, weightedDownsamplePassID);
if (postProcessParams.DoFParams.visualizePointFocus == true)
{
RenderTexture visTexture = RenderTexture.GetTemporary(texWidth, texHeight, 0, RenderTextureFormat.ARGB32);
m_DoFMat.SetTexture("_HalfResSourceDepthTexture", downsampledClrDepth);
Graphics.Blit(weightedDownsample, visTexture, m_DoFMat, visualizationPassID);
//Graphics.Blit(visTexture, dest);
//RenderTexture.ReleaseTemporary(visTexture);
ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(visTexture, true, true, false);
}
RenderTexture input = weightedDownsample;
int largestSide = Max(texWidth, texHeight);
while (largestSide > maxSize)
{
texWidth = Max(maxSize, texWidth / 2 + texWidth % 2);
texHeight = Max(maxSize, texHeight / 2 + texHeight % 2);
largestSide = largestSide / 2 + largestSide % 2;
RenderTexture downsample;
if (largestSide > maxSize)
{
downsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format);
downsample.filterMode = FilterMode.Bilinear;
downsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(input, downsample, m_DoFMat, downsamplePassID);
}
else //Final pass
{
downsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format2);
downsample.filterMode = FilterMode.Bilinear;
downsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(input, downsample, m_DoFMat, finalPassID);
}
RenderTexture.ReleaseTemporary(input);
input = downsample;
}
RenderTexture pointAverage = input;
if (previousPointAverage != null)
{
RenderTexture.ReleaseTemporary(previousPointAverage);
}
previousPointAverage = pointAverage;
downsampledClrDepth.filterMode = FilterMode.Point;
return(pointAverage);
}
protected void SetupPostProcessParameters(PostProcessParameters postProcessParams, RenderTexture source)
{
focalDistance = focalDistance < camera.nearClipPlane + 0.01f ? camera.nearClipPlane + 0.01f : focalDistance;
postProcessParams.camera = camera;
postProcessParams.cameraTransform = m_cameraTransform;
//Done later
postProcessParams.halfResSource = null;
postProcessParams.width = source.width;
postProcessParams.height = source.height;
postProcessParams.halfWidth = source.width / 2;
postProcessParams.halfHeight = source.height / 2;
if (prevCamFoV != camera.fieldOfView || postProcessParams.preCalcValues.tanHalfFoV == 0.0f)
{
postProcessParams.preCalcValues.tanHalfFoV = Mathf.Tan(camera.fieldOfView * 0.5f * Mathf.Deg2Rad);
prevCamFoV = camera.fieldOfView;
}
postProcessParams.DoFParams.useMedianFilter = true; //This could technically be a user choice, but its a lot of quality for a low price
if (userControlledFocalLength == false) postProcessParams.cameraParams.focalLength = ScionUtility.GetFocalLength(postProcessParams.preCalcValues.tanHalfFoV);
else postProcessParams.cameraParams.focalLength = focalLength * 0.001f; //Millimeter to meter
postProcessParams.cameraParams.apertureDiameter = ScionUtility.ComputeApertureDiameter(fNumber, postProcessParams.cameraParams.focalLength);
postProcessParams.cameraParams.fieldOfView = camera.fieldOfView;
postProcessParams.cameraParams.aspect = camera.aspect;
postProcessParams.cameraParams.nearPlane = camera.nearClipPlane;
postProcessParams.cameraParams.farPlane = camera.farClipPlane;
if (m_isFirstRender == true) postProcessParams.cameraParams.previousViewProjection = camera.projectionMatrix * camera.worldToCameraMatrix;
postProcessParams.isFirstRender = m_isFirstRender;
m_isFirstRender = false;
if (m_depthFocusMode == DepthFocusMode.TargetTransform)
{
if (depthOfFieldTargetTransform == null) { postProcessParams.DoFParams.focalDistance = 10.0f; return; }
Vector3 direction = depthOfFieldTargetTransform.position - m_cameraTransform.position;
float depth = Mathf.Max(Vector3.Dot(direction, m_cameraTransform.forward), camera.nearClipPlane + 0.01f);
postProcessParams.DoFParams.focalDistance = depth;
}
}
protected void PerformPostProcessing(RenderTexture source, RenderTexture dest, PostProcessParameters postProcessParams)
{
if (postProcessParams.depthOfField == true) 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 either is true
bool downsampledGlareChainExists = false;
if (postProcessParams.bloom == true || postProcessParams.lensFlare == true)
{
int bloomDownsamples = postProcessParams.bloom == true ? postProcessParams.glareParams.downsamples : 0;
int lensFlareDownsamples = postProcessParams.lensFlare == true ? postProcessParams.lensFlareParams.downsamples : 0;
int numDownsamples = Mathf.Max(bloomDownsamples, lensFlareDownsamples);
m_bloomClass.RunDownsamplingChain(postProcessParams.halfResSource, numDownsamples, postProcessParams.glareParams.distanceMultiplier);
downsampledGlareChainExists = true;
}
//Run lens flare generation first so that lens flares can access the downsampled textures from the downsampling chain
//When the upsampling chain is run these textures are overwritten with gaussian blurred values (central limit therom)
if (postProcessParams.lensFlare == true)
{
m_virtualCamera.BindVirtualCameraTextures(m_lensFlareClass.m_lensFlareMat);
int numDownsamples = postProcessParams.lensFlareParams.downsamples;
RenderTexture downsampledGlare = null;
if (numDownsamples > 1) downsampledGlare = m_bloomClass.GetGlareTexture(numDownsamples-1);
else if (numDownsamples == 1) downsampledGlare = postProcessParams.halfResSource;
else downsampledGlare = source;
postProcessParams.lensFlareTexture = m_lensFlareClass.RenderLensFlare(downsampledGlare, postProcessParams.lensFlareParams, source.width);
}
if (downsampledGlareChainExists == true && postProcessParams.exposure == true)
{
//Semi high value or logarithmic average works poorly (everything down to this limit is bilinearly downsampled)
const int minimumReqPixels = 100;
int numSearches;
RenderTexture textureToAverage = m_bloomClass.TryGetSmallGlareTexture(minimumReqPixels, out numSearches);
if (textureToAverage == null) { textureToAverage = postProcessParams.halfResSource; }
m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, textureToAverage, postProcessParams.halfWidth, postProcessParams.preCalcValues.tanHalfFoV,
postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
else if (postProcessParams.exposure == true)
{
m_virtualCamera.CalculateVirtualCamera(postProcessParams.cameraParams, postProcessParams.halfResSource, postProcessParams.halfWidth,
postProcessParams.preCalcValues.tanHalfFoV, postProcessParams.DoFParams.focalDistance, postProcessParams.isFirstRender);
}
if (postProcessParams.bloom == true)
{
//Run upsampling chain to create a gaussian blurred half res texture
m_bloomClass.RunUpsamplingChain(postProcessParams.halfResSource);
postProcessParams.bloomTexture = m_bloomClass.GetGlareTexture(0);
postProcessParams.glareParams.bloomNormalizationTerm = m_bloomClass.GetEnergyNormalizer(postProcessParams.glareParams.downsamples);
}
//Graphics.Blit(source, dest);
m_combinationPass.Combine(source, dest, postProcessParams, m_virtualCamera);
m_scionDebug.VisualizeDebug(dest);
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
RenderTexture.ReleaseTemporary(postProcessParams.dofTexture);
m_bloomClass.EndOfFrameCleanup();
m_virtualCamera.EndOfFrameCleanup();
m_depthOfFieldClass.EndOfFrameCleanup();
if (postProcessParams.lensFlare == true) RenderTexture.ReleaseTemporary(postProcessParams.lensFlareTexture);
if (postProcessParams.depthOfField == true) RenderTexture.ReleaseTemporary(source);
}
private void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
if (postProcessParams.cameraParams.cameraMode == CameraMode.Off || postProcessParams.cameraParams.cameraMode == CameraMode.Manual)
{
Debug.LogError("This functionality has been removed for The Forest to save on keywords!");
}
ColorGradingMode colorGradingMode = postProcessParams.colorGradingParams.colorGradingMode;
if (colorGradingMode != ColorGradingMode.Off)
{
if (colorGradingMode == ColorGradingMode.On)
{
ShaderSettings.ColorGradingSettings.SetIndex(1);
}
}
else
{
ShaderSettings.ColorGradingSettings.SetIndex(0);
}
if (postProcessParams.commonPostProcess.chromaticAberration)
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(1);
}
else
{
ShaderSettings.ChromaticAberrationSettings.SetIndex(0);
}
}
//This function is also responsible for downsampling the depth buffer and binding it
protected RenderTexture DepthOfFieldStep(PostProcessParameters postProcessParams, RenderTexture source)
{
RenderTexture downsampledClrDepth = m_downsampling.DownsampleForDepthOfField(source);
RenderTexture exclusionMask = null;
if (postProcessParams.DoFParams.depthOfFieldMask != 0) //If objects are masked out
{
exclusionMask = m_depthOfFieldClass.RenderExclusionMask(postProcessParams.width, postProcessParams.height, postProcessParams.camera,
postProcessParams.cameraTransform, postProcessParams.DoFParams.depthOfFieldMask);
RenderTexture downsampledExclusionMask = m_downsampling.DownsampleMinFilter(source.width, source.height, exclusionMask);
RenderTexture.ReleaseTemporary(exclusionMask);
exclusionMask = downsampledExclusionMask;
//ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(exclusionMask, false, false, false);
}
source = m_depthOfFieldClass.RenderDepthOfField(postProcessParams, source, downsampledClrDepth, m_virtualCamera, exclusionMask);
//Downsample scene again, this time with DoF applied
RenderTexture.ReleaseTemporary(postProcessParams.halfResSource);
if (exclusionMask != null) RenderTexture.ReleaseTemporary(exclusionMask);
return source;
}
private void SetupPostProcessParameters(PostProcessParameters postProcessParams, RenderTexture source)
{
this.focalDistance = ((this.focalDistance >= this.m_camera.nearClipPlane + 0.3f) ? this.focalDistance : (this.m_camera.nearClipPlane + 0.3f));
postProcessParams.halfResSource = null;
postProcessParams.halfResDepth = this.m_downsampling.DownsampleDepthTexture(source.width, source.height);
postProcessParams.width = source.width;
postProcessParams.height = source.height;
postProcessParams.halfWidth = source.width / 2;
postProcessParams.halfHeight = source.height / 2;
if (this.prevCamFoV != this.m_camera.fieldOfView)
{
postProcessParams.preCalcValues.tanHalfFoV = Mathf.Tan(this.m_camera.fieldOfView * 0.5f * 0.0174532924f);
this.prevCamFoV = this.m_camera.fieldOfView;
}
postProcessParams.DoFParams.useMedianFilter = true;
if (!this.userControlledFocalLength)
{
postProcessParams.cameraParams.focalLength = ScionUtility.GetFocalLength(postProcessParams.preCalcValues.tanHalfFoV);
}
else
{
postProcessParams.cameraParams.focalLength = this.focalLength * 0.001f;
}
postProcessParams.cameraParams.apertureDiameter = ScionUtility.ComputeApertureDiameter(this.fNumber, postProcessParams.cameraParams.focalLength);
postProcessParams.cameraParams.fieldOfView = this.m_camera.fieldOfView;
postProcessParams.cameraParams.aspect = this.m_camera.aspect;
postProcessParams.cameraParams.nearPlane = this.m_camera.nearClipPlane;
postProcessParams.cameraParams.farPlane = this.m_camera.farClipPlane;
postProcessParams.isFirstRender = this.m_isFirstRender;
this.m_isFirstRender = false;
}
private void UploadVariables(PostProcessParameters postProcessParams)
{
Vector4 postProcessParams1 = new Vector4();
postProcessParams1.x = postProcessParams.commonPostProcess.grainIntensity;
postProcessParams1.y = postProcessParams.commonPostProcess.vignetteIntensity;
postProcessParams1.z = postProcessParams.commonPostProcess.vignetteScale;
postProcessParams1.w = postProcessParams.commonPostProcess.chromaticAberrationDistortion;
m_combinationMat.SetVector("_PostProcessParams1", postProcessParams1);
Vector4 postProcessParams2 = new Vector4();
postProcessParams2.x = postProcessParams.commonPostProcess.vignetteColor.r;
postProcessParams2.y = postProcessParams.commonPostProcess.vignetteColor.g;
postProcessParams2.z = postProcessParams.commonPostProcess.vignetteColor.b;
postProcessParams2.w = -postProcessParams.commonPostProcess.chromaticAberrationIntensity;
m_combinationMat.SetVector("_PostProcessParams2", postProcessParams2);
Vector4 postProcessParams3 = new Vector4();
postProcessParams3.x = Random.value;
postProcessParams3.y = ScionUtility.GetWhitePointMultiplier(postProcessParams.commonPostProcess.whitePoint);
postProcessParams3.z = 1.0f / postProcessParams.commonPostProcess.whitePoint;
m_combinationMat.SetVector("_PostProcessParams3", postProcessParams3);
}
private void UploadTemporalReprojectionVariables(PostProcessParameters postProcessParams)//Transform cameraTransform, float tanHalfFoV, float aspect, float farClipPlane)
{
float dy = postProcessParams.preCalcValues.tanHalfFoV;
float dx = dy * postProcessParams.cameraParams.aspect;
Vector3 centerVP = postProcessParams.cameraTransform.forward;
Vector3 rightVP = postProcessParams.cameraTransform.right * dx;
Vector3 upVP = postProcessParams.cameraTransform.up * dy;
m_DoFMatTemporal.SetVector("_FrustumCornerBottomLeftVP", centerVP - rightVP - upVP);
m_DoFMatTemporal.SetVector("_FrustumCornerWidthVP", rightVP * 2.0f);
m_DoFMatTemporal.SetVector("_FrustumCornerHeightVP", upVP * 2.0f);
m_DoFMatTemporal.SetMatrix("_PreviousViewProjection", postProcessParams.cameraParams.previousViewProjection);
float temporalBlend = postProcessParams.DoFParams.temporalBlend;
m_DoFMatTemporal.SetFloat("_TemporalBlendFactor", temporalBlend);
const float temporalIncrement = 1.372f;
int temporalSteps = postProcessParams.DoFParams.temporalSteps;
if (temporalSteps > 0)
{
temporalUVOffset = temporalUVOffset + temporalIncrement;
while (temporalUVOffset > temporalIncrement*temporalSteps - 0.01f) temporalUVOffset -= temporalIncrement*temporalSteps;
}
else temporalUVOffset = 0.0f;
m_DoFMat.SetFloat("_TemporalUVOffset", temporalUVOffset);
}
protected override void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
base.SetShaderKeyWords(postProcessParams);
}
private RenderTexture PrepatePointAverage(PostProcessParameters postProcessParams, RenderTexture downsampledClrDepth)
{
const int weightedDownsamplePassID = 7;
const int finalPassID = 8;
const int visualizationPassID = 9;
const int downsamplePassID = 10;
const RenderTextureFormat format = RenderTextureFormat.RGHalf;
const RenderTextureFormat format2 = RenderTextureFormat.RHalf;
//Force at least 10x10 pixels to always effect the depth
//Because stuff goes south if the circle is too small
float range = Max(10.0f/postProcessParams.halfWidth, postProcessParams.DoFParams.pointAverageRange);
Vector4 weightedDownsampleParams = new Vector4();
weightedDownsampleParams.x = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.x);
weightedDownsampleParams.y = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.y);
weightedDownsampleParams.z = range*range;
weightedDownsampleParams.w = 1.0f / (range*range);
m_DoFMat.SetVector("_DownsampleWeightedParams", weightedDownsampleParams);
if (previousPointAverage != null && postProcessParams.isFirstRender == false)
{
#if UNITY_EDITOR
if (UnityEditor.EditorApplication.isPlaying == false) m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f);
else
#endif
{
m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f - Mathf.Exp(-Time.deltaTime * postProcessParams.DoFParams.depthAdaptionSpeed));
}
m_DoFMat.SetTexture("_PreviousWeightedResult", previousPointAverage);
}
else
{
m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1.0f);
m_DoFMat.SetTexture("_PreviousWeightedResult", null);
}
downsampledClrDepth.filterMode = FilterMode.Bilinear;
const int maxSize = 1;
int texWidth = Max(postProcessParams.halfWidth / 2, maxSize);
int texHeight = Max(postProcessParams.halfHeight / 2, maxSize);
RenderTexture weightedDownsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format);
weightedDownsample.filterMode = FilterMode.Bilinear;
weightedDownsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(downsampledClrDepth, weightedDownsample, m_DoFMat, weightedDownsamplePassID);
if (postProcessParams.DoFParams.visualizePointFocus == true)
{
RenderTexture visTexture = RenderTexture.GetTemporary(texWidth, texHeight, 0, RenderTextureFormat.ARGB32);
m_DoFMat.SetTexture("_HalfResSourceDepthTexture", downsampledClrDepth);
Graphics.Blit(weightedDownsample, visTexture, m_DoFMat, visualizationPassID);
//Graphics.Blit(visTexture, dest);
//RenderTexture.ReleaseTemporary(visTexture);
ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(visTexture, true, true, false);
}
RenderTexture input = weightedDownsample;
int largestSide = Max(texWidth, texHeight);
while (largestSide > maxSize)
{
texWidth = Max(maxSize, texWidth/2 + texWidth%2);
texHeight = Max(maxSize, texHeight/2 + texHeight%2);
largestSide = largestSide / 2 + largestSide%2;
RenderTexture downsample;
if (largestSide > maxSize)
{
downsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format);
downsample.filterMode = FilterMode.Bilinear;
downsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(input, downsample, m_DoFMat, downsamplePassID);
}
else //Final pass
{
downsample = RenderTexture.GetTemporary(texWidth, texHeight, 0, format2);
downsample.filterMode = FilterMode.Bilinear;
downsample.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(input, downsample, m_DoFMat, finalPassID);
}
RenderTexture.ReleaseTemporary(input);
input = downsample;
}
RenderTexture pointAverage = input;
if (previousPointAverage != null) RenderTexture.ReleaseTemporary(previousPointAverage);
previousPointAverage = pointAverage;
downsampledClrDepth.filterMode = FilterMode.Point;
return pointAverage;
}
private RenderTexture PrepatePointAverage(PostProcessParameters postProcessParams, RenderTexture dest)
{
float num = this.Max(10f / (float)postProcessParams.halfResDepth.width, postProcessParams.DoFParams.pointAverageRange);
Vector4 value = default(Vector4);
value.x = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.x);
value.y = Mathf.Clamp01(postProcessParams.DoFParams.pointAveragePosition.y);
value.z = num * num;
value.w = 1f / (num * num);
this.m_DoFMat.SetVector("_DownsampleWeightedParams", value);
if (this.previousPointAverage != null && !postProcessParams.isFirstRender)
{
this.m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1f - Mathf.Exp(-Time.deltaTime * postProcessParams.DoFParams.depthAdaptionSpeed));
this.m_DoFMat.SetTexture("_PreviousWeightedResult", this.previousPointAverage);
}
else
{
this.m_DoFMat.SetFloat("_DownsampleWeightedAdaptionSpeed", 1f);
this.m_DoFMat.SetTexture("_PreviousWeightedResult", null);
}
postProcessParams.halfResDepth.filterMode = FilterMode.Bilinear;
int num2 = this.Max(postProcessParams.halfWidth / 2, 1);
int num3 = this.Max(postProcessParams.halfHeight / 2, 1);
RenderTexture temporary = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RGHalf);
temporary.filterMode = FilterMode.Bilinear;
temporary.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(postProcessParams.halfResDepth, temporary, this.m_DoFMat, 7);
if (postProcessParams.DoFParams.visualizePointFocus)
{
RenderTexture temporary2 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.ARGB32);
Graphics.Blit(temporary, temporary2, this.m_DoFMat, 9);
ScionPostProcess.ActiveDebug.RegisterTextureForVisualization(temporary2, true, true, false);
}
RenderTexture renderTexture = temporary;
int i = this.Max(num2, num3);
while (i > 1)
{
num2 = this.Max(1, num2 / 2 + num2 % 2);
num3 = this.Max(1, num3 / 2 + num3 % 2);
i = i / 2 + i % 2;
RenderTexture temporary3;
if (i > 1)
{
temporary3 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RGHalf);
temporary3.filterMode = FilterMode.Bilinear;
temporary3.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(renderTexture, temporary3, this.m_DoFMat, 10);
}
else
{
temporary3 = RenderTexture.GetTemporary(num2, num3, 0, RenderTextureFormat.RHalf);
temporary3.filterMode = FilterMode.Bilinear;
temporary3.wrapMode = TextureWrapMode.Clamp;
Graphics.Blit(renderTexture, temporary3, this.m_DoFMat, 8);
}
RenderTexture.ReleaseTemporary(renderTexture);
renderTexture = temporary3;
}
RenderTexture result = renderTexture;
if (this.previousPointAverage != null)
{
RenderTexture.ReleaseTemporary(this.previousPointAverage);
}
this.previousPointAverage = result;
return(result);
}
protected override void SetShaderKeyWords(PostProcessParameters postProcessParams)
{
base.SetShaderKeyWords(postProcessParams);
}
