public void CalculateVirtualCamera(CameraParameters cameraParams, RenderTexture textureToDownsample, float halfResWidth, float tanHalfFoV, float energyNormalizer, float focalDistance, bool isFirstRender)
{
if (cameraParams.cameraMode == CameraMode.Manual || cameraParams.cameraMode == CameraMode.Off)
{
return;
}
if (this.m_currentResult2 != null)
{
RenderTexture.ReleaseTemporary(this.m_currentResult2);
this.m_currentResult2 = null;
}
this.BindVirtualCameraParams(this.m_virtualCameraMat, cameraParams, focalDistance, halfResWidth, isFirstRender);
RenderTexture renderTexture = this.DownsampleTexture(textureToDownsample, energyNormalizer);
this.m_virtualCameraMat.SetTexture("_DownsampledScene", renderTexture);
if (this.m_previousExposureTexture != null)
{
this.m_virtualCameraMat.SetTexture("_PreviousExposureTexture", this.m_previousExposureTexture);
}
this.m_currentResult1 = RenderTexture.GetTemporary(1, 1, 0, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
this.m_currentResult2 = RenderTexture.GetTemporary(1, 1, 0, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
this.renderBuffers[0] = this.m_currentResult1.colorBuffer;
this.renderBuffers[1] = this.m_currentResult2.colorBuffer;
int passNr = cameraParams.cameraMode - CameraMode.AutoPriority;
Graphics.SetRenderTarget(this.renderBuffers, this.m_currentResult1.depthBuffer);
ScionGraphics.Blit(this.m_virtualCameraMat, passNr);
RenderTexture.ReleaseTemporary(renderTexture);
if (this.m_previousExposureTexture != null)
{
RenderTexture.ReleaseTemporary(this.m_previousExposureTexture);
}
this.m_previousExposureTexture = this.m_currentResult1;
}
public void CalculateVirtualCamera(CameraParameters cameraParams, RenderTexture textureToDownsample, float halfResWidth,
float tanHalfFoV, float focalDistance, bool isFirstRender)
{
if (cameraParams.cameraMode == CameraMode.Manual || cameraParams.cameraMode == CameraMode.Off) return;
if (m_currentResult2 != null)
{
RenderTexture.ReleaseTemporary(m_currentResult2);
m_currentResult2 = null;
}
BindVirtualCameraParams(m_virtualCameraMat, cameraParams, focalDistance, halfResWidth, isFirstRender);
RenderTexture downsampledScene = DownsampleTexture(textureToDownsample);
m_virtualCameraMat.SetTexture("_DownsampledScene", downsampledScene);
if (m_previousExposureTexture != null) m_virtualCameraMat.SetTexture("_PreviousExposureTexture", m_previousExposureTexture);
m_currentResult1 = RenderTexture.GetTemporary(1, 1, 0, VCTextureFormat, RenderTextureReadWrite.Linear);
m_currentResult2 = RenderTexture.GetTemporary(1, 1, 0, VCTextureFormat, RenderTextureReadWrite.Linear);
renderBuffers[0] = m_currentResult1.colorBuffer;
renderBuffers[1] = m_currentResult2.colorBuffer;
int passIndex = (int)cameraParams.cameraMode - 2;
Graphics.SetRenderTarget(renderBuffers, m_currentResult1.depthBuffer);
ScionGraphics.Blit(m_virtualCameraMat, passIndex);
// struct CameraOutput
// {
// float sceneLuminance;
// float shutterSpeed;
// float ISO;
// float fNumber;
// float exposure;
// float2 CoCScaleAndBias;
// float notUsed;
// };
// if (readBfr == null) readBfr = new ComputeBuffer(2, 16);
// if (readVec == null) readVec = new Vector4[2];
// ComputeShader shdr = HelpScript.HelpShader;
// shdr.SetTexture(0, "ReadTexture1", m_currentResult1);
// shdr.SetTexture(0, "ReadTexture2", m_currentResult2);
// shdr.SetBuffer(0, "ReadBackBuffer", readBfr);
// shdr.Dispatch(0,1,1,1);
// readBfr.GetData(readVec);
// Debug.Log("sceneLuminance: " + readVec[0].x +
// "\nshutterSpeed: " + readVec[0].y +
// "\nISO: " + readVec[0].z +
// "\nfNumber: " + readVec[0].w +
// "\nexposure: " + readVec[1].x +
// "\nCoC scale: " + readVec[1].y +
// "\nCoC bias: " + readVec[1].z +
// "\ntargetEV: " + readVec[1].w);
RenderTexture.ReleaseTemporary(downsampledScene);
if (m_previousExposureTexture != null) RenderTexture.ReleaseTemporary(m_previousExposureTexture);
m_previousExposureTexture = m_currentResult1;
}
public void BindVirtualCameraParams(Material mat, CameraParameters cameraParams, float focalDistance, float halfResWidth, bool isFirstRender)
{
mat.SetVector("_VirtualCameraParams1", new Vector4
{
x = 1f / (cameraParams.focalLength * 1000f),
y = cameraParams.fNumber,
z = cameraParams.shutterSpeed,
w = (!isFirstRender) ? (1f - Mathf.Exp(-Time.deltaTime * cameraParams.adaptionSpeed)) : 1f
});
mat.SetVector("_VirtualCameraParams2", new Vector4
{
x = cameraParams.exposureCompensation + 1.8f,
y = cameraParams.focalLength,
z = focalDistance,
w = ScionUtility.CoCToPixels(halfResWidth)
});
mat.SetVector("_VirtualCameraParams3", new Vector4
{
x = Mathf.Pow(2f, cameraParams.minMaxExposure.x),
y = Mathf.Pow(2f, cameraParams.minMaxExposure.y)
});
}
public void BindVirtualCameraParams(Material mat, CameraParameters cameraParams, float focalDistance, float halfResWidth, bool isFirstRender)
{
mat.SetVector("_VirtualCameraParams1", new Vector4
{
x = 1f / (cameraParams.focalLength * 1000f),
y = cameraParams.fNumber,
z = cameraParams.shutterSpeed,
w = ((!isFirstRender) ? (1f - Mathf.Exp(-Time.deltaTime * cameraParams.adaptionSpeed)) : 1f)
});
mat.SetVector("_VirtualCameraParams2", new Vector4
{
x = cameraParams.exposureCompensation + 1.8f,
y = cameraParams.focalLength,
z = focalDistance,
w = ScionUtility.CoCToPixels(halfResWidth)
});
mat.SetVector("_VirtualCameraParams3", new Vector4
{
x = Mathf.Pow(2f, cameraParams.minMaxExposure.x),
y = Mathf.Pow(2f, cameraParams.minMaxExposure.y)
});
}
public void BindVirtualCameraParams(Material mat, CameraParameters cameraParams, float focalDistance, float halfResWidth, bool isFirstRender)
{
Vector4 shaderParams1 = new Vector4();
shaderParams1.x = 1.0f / (cameraParams.focalLength * 1000.0f); //From meter to millimeter
shaderParams1.y = cameraParams.fNumber;
shaderParams1.z = cameraParams.shutterSpeed;
shaderParams1.w = isFirstRender == true ? 1.0f : 1.0f - Mathf.Exp(-Time.deltaTime * cameraParams.adaptionSpeed);
#if UNITY_EDITOR
if (UnityEditor.EditorApplication.isPlaying == false) shaderParams1.w = 1.0f;
#endif
mat.SetVector("_VirtualCameraParams1", shaderParams1);
Vector4 shaderParams2 = new Vector4();
shaderParams2.x = cameraParams.exposureCompensation + BuiltinExposureCompensation;
shaderParams2.y = cameraParams.focalLength;
shaderParams2.z = focalDistance;
shaderParams2.w = ScionUtility.CoCToPixels(halfResWidth);
mat.SetVector("_VirtualCameraParams2", shaderParams2);
Vector4 shaderParams3 = new Vector4();
shaderParams3.x = Mathf.Pow(2.0f, cameraParams.minMaxExposure.x);
shaderParams3.y = Mathf.Pow(2.0f, cameraParams.minMaxExposure.y);
mat.SetVector("_VirtualCameraParams3", shaderParams3);
}
public void BindVirtualCameraParams(Material mat, CameraParameters cameraParams, float focalDistance, float halfResWidth, bool isFirstRender)
{
Vector4 shaderParams1 = new Vector4();
shaderParams1.x = 1.0f / (cameraParams.focalLength * 1000.0f); //From meter to millimeter
shaderParams1.y = cameraParams.fNumber;
shaderParams1.z = cameraParams.shutterSpeed;
shaderParams1.w = isFirstRender == true ? 1.0f : 1.0f - Mathf.Exp(-Time.deltaTime * cameraParams.adaptionSpeed);
mat.SetVector("_VirtualCameraParams1", shaderParams1);
Vector4 shaderParams2 = new Vector4();
shaderParams2.x = cameraParams.exposureCompensation + BuiltinExposureCompensation;
shaderParams2.y = cameraParams.focalLength;
shaderParams2.z = focalDistance;
shaderParams2.w = ScionUtility.CoCToPixels(halfResWidth);
mat.SetVector("_VirtualCameraParams2", shaderParams2);
Vector4 shaderParams3 = new Vector4();
shaderParams3.x = Mathf.Pow(2.0f, cameraParams.minMaxExposure.x);
shaderParams3.y = Mathf.Pow(2.0f, cameraParams.minMaxExposure.y);
mat.SetVector("_VirtualCameraParams3", shaderParams3);
}
private void PrepareExposure(CameraParameters cameraParams, VirtualCamera virtualCamera)
{
if (cameraParams.cameraMode == CameraMode.Off)
{
m_combinationMat.SetFloat("_ManualExposure", 1.0f);
}
else if (cameraParams.cameraMode != CameraMode.Manual)
{
virtualCamera.BindVirtualCameraTextures(m_combinationMat);
}
else
{
m_combinationMat.SetFloat("_ManualExposure", virtualCamera.CalculateManualExposure(cameraParams));
}
}
//Standard Output Based Exposure
public float CalculateManualExposure(CameraParameters cameraParams, float middleGrey = 0.18f)
{
float lAvg = (1000.0f / 65.0f) * cameraParams.fNumber * cameraParams.fNumber / (cameraParams.ISO * cameraParams.shutterSpeed);
return(Mathf.Pow(2.0f, cameraParams.exposureCompensation) * LIGHT_INTENSITY_MULT * middleGrey / lAvg);
}
public void CalculateVirtualCamera(CameraParameters cameraParams, RenderTexture textureToDownsample, float halfResWidth,
float tanHalfFoV, float focalDistance, bool isFirstRender)
{
if (cameraParams.cameraMode == CameraMode.Manual || cameraParams.cameraMode == CameraMode.Off)
{
return;
}
if (m_currentResult2 != null)
{
RenderTexture.ReleaseTemporary(m_currentResult2);
m_currentResult2 = null;
}
BindVirtualCameraParams(m_virtualCameraMat, cameraParams, focalDistance, halfResWidth, isFirstRender);
RenderTexture downsampledScene = DownsampleTexture(textureToDownsample);
m_virtualCameraMat.SetTexture("_DownsampledScene", downsampledScene);
if (m_previousExposureTexture != null)
{
m_virtualCameraMat.SetTexture("_PreviousExposureTexture", m_previousExposureTexture);
}
m_currentResult1 = RenderTexture.GetTemporary(1, 1, 0, VCTextureFormat, RenderTextureReadWrite.Linear);
m_currentResult2 = RenderTexture.GetTemporary(1, 1, 0, VCTextureFormat, RenderTextureReadWrite.Linear);
renderBuffers[0] = m_currentResult1.colorBuffer;
renderBuffers[1] = m_currentResult2.colorBuffer;
int passIndex = (int)cameraParams.cameraMode - 2;
Graphics.SetRenderTarget(renderBuffers, m_currentResult1.depthBuffer);
ScionGraphics.Blit(m_virtualCameraMat, passIndex);
// struct CameraOutput
// {
// float sceneLuminance;
// float shutterSpeed;
// float ISO;
// float fNumber;
// float exposure;
// float2 CoCScaleAndBias;
// float notUsed;
// };
// if (readBfr == null) readBfr = new ComputeBuffer(2, 16);
// if (readVec == null) readVec = new Vector4[2];
// ComputeShader shdr = HelpScript.HelpShader;
// shdr.SetTexture(0, "ReadTexture1", m_currentResult1);
// shdr.SetTexture(0, "ReadTexture2", m_currentResult2);
// shdr.SetBuffer(0, "ReadBackBuffer", readBfr);
// shdr.Dispatch(0,1,1,1);
// readBfr.GetData(readVec);
// Debug.Log("sceneLuminance: " + readVec[0].x +
// "\nshutterSpeed: " + readVec[0].y +
// "\nISO: " + readVec[0].z +
// "\nfNumber: " + readVec[0].w +
// "\nexposure: " + readVec[1].x +
// "\nCoC scale: " + readVec[1].y +
// "\nCoC bias: " + readVec[1].z +
// "\ntargetEV: " + readVec[1].w);
RenderTexture.ReleaseTemporary(downsampledScene);
if (m_previousExposureTexture != null)
{
RenderTexture.ReleaseTemporary(m_previousExposureTexture);
}
m_previousExposureTexture = m_currentResult1;
}
//Standard Output Based Exposure
public float CalculateManualExposure(CameraParameters cameraParams, float middleGrey = 0.18f)
{
float lAvg = (1000.0f / 65.0f) * cameraParams.fNumber*cameraParams.fNumber / (cameraParams.ISO * cameraParams.shutterSpeed);
return Mathf.Pow(2.0f, cameraParams.exposureCompensation) * LIGHT_INTENSITY_MULT * middleGrey / lAvg;
}
public float CalculateManualExposure(CameraParameters cameraParams, float middleGrey = 0.18f)
{
float num = 15.3846149f * cameraParams.fNumber * cameraParams.fNumber / (cameraParams.ISO * cameraParams.shutterSpeed);
return(Mathf.Pow(2f, cameraParams.exposureCompensation) * 3000f * middleGrey / num);
}
public PostProcessParameters()
{
glareParams = new GlareParameters();
lensDirtParams = new LensDirtParameters();
cameraParams = new CameraParameters();
DoFParams = new DepthOfFieldParameters();
colorGradingParams = new ColorGradingParameters();
preCalcValues = new PreCalcValues();
commonPostProcess = new CommonPostProcess();
}
public float CalculateManualExposure(CameraParameters cameraParams, float middleGrey = 0.18f)
{
float num = 15.3846149f * cameraParams.fNumber * cameraParams.fNumber / (cameraParams.ISO * cameraParams.shutterSpeed);
return Mathf.Pow(2f, cameraParams.exposureCompensation) * 3000f * middleGrey / num;
}
