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using System;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
public class CustomPostProcess : ScriptableRendererFeature
{
private class CustomRenderPass : ScriptableRenderPass
{
public RenderTargetIdentifier source;
private Material mat;
private RenderTargetHandle tempRenderTargetHandle;
public CustomRenderPass(Material _mat)
{
mat = _mat;
tempRenderTargetHandle.Init("_TemporaryColorTexture");
}
public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
{
}
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
CommandBuffer commandBuffer = CommandBufferPool.Get();
commandBuffer.GetTemporaryRT(tempRenderTargetHandle.id, renderingData.cameraData.cameraTargetDescriptor);
Blit(commandBuffer, source, tempRenderTargetHandle.Identifier(), mat);
Blit(commandBuffer, tempRenderTargetHandle.Identifier(), source);
context.ExecuteCommandBuffer(commandBuffer);
CommandBufferPool.Release(commandBuffer);
}
public override void OnCameraCleanup(CommandBuffer cmd)
{
}
}
[Serializable]
public class Settings
{
public Material material;
}
private CustomRenderPass m_ScriptablePass;
public Settings settings;
public override void Create()
{
m_ScriptablePass = new CustomRenderPass(settings.material);
m_ScriptablePass.renderPassEvent = RenderPassEvent.BeforeRenderingPostProcessing;
}
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
{
m_ScriptablePass.source = renderer.cameraColorTarget;
renderer.EnqueuePass(m_ScriptablePass);
}
}
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