/// <inheritdoc/>
public override void Execute(ScriptableRenderer renderer, ScriptableRenderContext context, ref RenderingData renderingData)
{
if (renderer == null)
{
throw new ArgumentNullException("renderer");
}
CommandBuffer cmd = CommandBufferPool.Get(k_DepthCopyTag);
RenderTargetIdentifier depthSurface = source.Identifier();
RenderTargetIdentifier copyDepthSurface = destination.Identifier();
Material depthCopyMaterial = renderer.GetMaterial(MaterialHandle.CopyDepth);
RenderTextureDescriptor descriptor = ScriptableRenderer.CreateRenderTextureDescriptor(ref renderingData.cameraData);
descriptor.colorFormat = RenderTextureFormat.Depth;
descriptor.depthBufferBits = 32; //TODO: fix this ;
descriptor.msaaSamples = 1;
descriptor.bindMS = false;
cmd.GetTemporaryRT(destination.id, descriptor, FilterMode.Point);
cmd.SetGlobalTexture("_CameraDepthAttachment", source.Identifier());
cmd.SetGlobalTexture("_CameraDepthTexture", source.Identifier());
if (renderingData.cameraData.msaaSamples > 1)
{
cmd.DisableShaderKeyword(ShaderKeywordStrings.DepthNoMsaa);
if (renderingData.cameraData.msaaSamples == 4)
{
cmd.DisableShaderKeyword(ShaderKeywordStrings.DepthMsaa2);
cmd.EnableShaderKeyword(ShaderKeywordStrings.DepthMsaa4);
}
else
{
cmd.EnableShaderKeyword(ShaderKeywordStrings.DepthMsaa2);
cmd.DisableShaderKeyword(ShaderKeywordStrings.DepthMsaa4);
}
cmd.Blit(depthSurface, copyDepthSurface, depthCopyMaterial);
}
else
{
cmd.EnableShaderKeyword(ShaderKeywordStrings.DepthNoMsaa);
cmd.DisableShaderKeyword(ShaderKeywordStrings.DepthMsaa2);
cmd.DisableShaderKeyword(ShaderKeywordStrings.DepthMsaa4);
ScriptableRenderer.CopyTexture(cmd, depthSurface, copyDepthSurface, depthCopyMaterial);
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
