public void Setup(Camera myCam, RenderTargetIdentifier source, UnityEngine.Rendering.Universal.RenderTargetHandle destination, Transform lightSource, Color treshold, Color clr)
{
this.myCam = myCam;
this.source = source;
this.destination = destination;
this.lightSource = lightSource;
this.treshold = treshold;
this.clr = clr;
}
public void Setup(Camera myCam, RenderTargetIdentifier source, UnityEngine.Rendering.Universal.RenderTargetHandle destination)
{
this.myCam = myCam;
this.source = source;
this.destination = destination;
}
void RenderLightShaft(UnityEngine.Rendering.Universal.ScriptableRenderer renderer, RenderTexture source, RenderTargetIdentifier src, UnityEngine.Rendering.Universal.RenderTargetHandle destination, Material mat, Material clearMat, Transform lightSource, Color treshold, Color clr)
{
int divider = 4;
if (EnviroSkyMgr.instance.LightShaftsSettings.resolution == EnviroPostProcessing.SunShaftsResolution.Normal)
{
divider = 2;
}
else if (EnviroSkyMgr.instance.LightShaftsSettings.resolution == EnviroPostProcessing.SunShaftsResolution.High)
{
divider = 1;
}
Vector3 v = Vector3.one * 0.5f;
if (lightSource)
{
v = myCam.WorldToViewportPoint(lightSource.position);
}
else
{
v = new Vector3(0.5f, 0.5f, 0.0f);
}
int rtW = source.width / divider;
int rtH = source.height / divider;
RenderTextureDescriptor textureDescriptor = source.descriptor;
textureDescriptor.width = rtW;
textureDescriptor.height = rtH;
RenderTexture lrColorB;
RenderTexture lrDepthBuffer;
// VR Usage
lrDepthBuffer = RenderTexture.GetTemporary(textureDescriptor);
// mask out everything except the skybox
// we have 2 methods, one of which requires depth buffer support, the other one is just comparing images
mat.SetVector("_BlurRadius4", new Vector4(1.0f, 1.0f, 0.0f, 0.0f) * EnviroSkyMgr.instance.LightShaftsSettings.blurRadius);
mat.SetVector("_SunPosition", new Vector4(v.x, v.y, v.z, EnviroSkyMgr.instance.LightShaftsSettings.maxRadius));
mat.SetVector("_SunThreshold", treshold);
Graphics.Blit(source, lrDepthBuffer, mat, 2);
// paint a small black small border to get rid of clamping problems
if (myCam.stereoActiveEye == Camera.MonoOrStereoscopicEye.Mono)
{
DrawBorder(lrDepthBuffer, clearMat);
}
// radial blur:
radialBlurIterations = Mathf.Clamp(radialBlurIterations, 1, 4);
float ofs = EnviroSkyMgr.instance.LightShaftsSettings.blurRadius * (1.0f / 768.0f);
mat.SetVector("_BlurRadius4", new Vector4(ofs, ofs, 0.0f, 0.0f));
mat.SetVector("_SunPosition", new Vector4(v.x, v.y, v.z, EnviroSkyMgr.instance.LightShaftsSettings.maxRadius));
for (int it2 = 0; it2 < radialBlurIterations; it2++)
{
// each iteration takes 2 * 6 samples
// we update _BlurRadius each time to cheaply get a very smooth look
// VR USAGE
lrColorB = RenderTexture.GetTemporary(textureDescriptor);
Graphics.Blit(lrDepthBuffer, lrColorB, mat, 1);
RenderTexture.ReleaseTemporary(lrDepthBuffer);
ofs = EnviroSkyMgr.instance.LightShaftsSettings.blurRadius * (((it2 * 2.0f + 1.0f) * 6.0f)) / 768.0f;
mat.SetVector("_BlurRadius4", new Vector4(ofs, ofs, 0.0f, 0.0f));
// VR USAGE
lrDepthBuffer = RenderTexture.GetTemporary(textureDescriptor);
Graphics.Blit(lrColorB, lrDepthBuffer, mat, 1);
RenderTexture.ReleaseTemporary(lrColorB);
ofs = EnviroSkyMgr.instance.LightShaftsSettings.blurRadius * (((it2 * 2.0f + 2.0f) * 6.0f)) / 768.0f;
mat.SetVector("_BlurRadius4", new Vector4(ofs, ofs, 0.0f, 0.0f));
}
// put together:
if (v.z >= 0.0f)
{
mat.SetVector("_SunColor", new Vector4(clr.r, clr.g, clr.b, clr.a) * EnviroSkyMgr.instance.LightShaftsSettings.intensity);
}
else
{
mat.SetVector("_SunColor", Vector4.zero); // no backprojection !
}
mat.SetTexture("_ColorBuffer", lrDepthBuffer);
//FINAL
// Graphics.Blit(source, destination, mat, (EnviroSkyMgr.instance.LightShaftsSettings.screenBlendMode == EnviroPostProcessing.ShaftsScreenBlendMode.Screen) ? 0 : 4);
blitPassFinal.Setup(src, destination);
renderer.EnqueuePass(blitPassFinal);
RenderTexture.ReleaseTemporary(lrDepthBuffer);
}
/// <summary>
/// Configure the pass with the source and destination to execute on.
/// </summary>
/// <param name="source">Source Render Target</param>
/// <param name="destination">Destination Render Target</param>
public void Setup(RenderTargetIdentifier source, UnityEngine.Rendering.Universal.RenderTargetHandle destination, RenderTexture setTexTo)
{
this.source = source;
this.destination = destination;
this.setMainTexTo = setTexTo;
}
