void AddBokeh(RenderTexture bokehInfo, RenderTexture tempTex, RenderTexture finalTarget)
{
if (bokehMaterial)
{
var meshes = Quads.GetMeshes(tempTex.width, tempTex.height); // quads: exchanging more triangles with less overdraw
RenderTexture.active = tempTex;
GL.Clear(false, true, new Color(0.0f, 0.0f, 0.0f, 0.0f));
GL.PushMatrix();
GL.LoadIdentity();
// point filter mode is important, otherwise we get bokeh shape & size artefacts
bokehInfo.filterMode = FilterMode.Point;
float arW = (bokehInfo.width * 1.0f) / (bokehInfo.height * 1.0f);
float sc = 2.0f / (1.0f * bokehInfo.width);
sc += bokehScale * maxBlurSpread * BOKEH_EXTRA_BLUR * oneOverBaseSize;
bokehMaterial.SetTexture("_Source", bokehInfo);
bokehMaterial.SetTexture("_MainTex", bokehTexture);
bokehMaterial.SetVector("_ArScale", new Vector4(sc, sc * arW, 0.5f, 0.5f * arW));
bokehMaterial.SetFloat("_Intensity", bokehIntensity);
bokehMaterial.SetPass(0);
foreach (Mesh m in meshes)
{
if (m)
{
Graphics.DrawMeshNow(m, Matrix4x4.identity);
}
}
GL.PopMatrix();
Graphics.Blit(tempTex, finalTarget, dofMaterial, 8);
// important to set back as we sample from this later on
bokehInfo.filterMode = FilterMode.Bilinear;
}
}
void OnDisable()
{
Quads.Cleanup();
}