void IssueComposite(CommandBuffer cb)
{
var id = Shader.PropertyToID("SubtractionDepth");
cb.GetTemporaryRT(id, -1, -1, 24, FilterMode.Point, RenderTextureFormat.Depth);
cb.SetRenderTarget(id);
cb.ClearRenderTarget(true, true, Color.black, 1f);
foreach (var subtractee in Subtractee.GetAll())
{
subtractee.IssueDrawFront(cb);
}
for (int i = 0; i < maskDrawNum; ++i)
{
foreach (var subtractor in Subtractor.GetAll())
{
subtractor.IssueDrawMask(cb);
}
}
cb.SetRenderTarget(BuiltinRenderTextureType.CameraTarget);
cb.SetGlobalTexture("_SubtractionDepth", id);
cb.DrawMesh(quad, Matrix4x4.identity, compositeMaterial);
}
void IssueDrawBackDepth(CommandBuffer cb)
{
var id = Shader.PropertyToID("SubtracteeBackDepth");
cb.GetTemporaryRT(id, -1, -1, 24, FilterMode.Point, RenderTextureFormat.Depth);
cb.SetRenderTarget(id);
cb.ClearRenderTarget(true, true, Color.black, 0f);
foreach (var subtractee in Subtractee.GetAll())
{
subtractee.IssueDrawBack(cb);
}
cb.SetGlobalTexture("_SubtracteeBackDepth", id);
}
