61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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//namespace UnityEngine.Experiemntal.Rendering.Universal
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//{
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public class MP_RenderPass : ScriptableRenderPass
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{
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public Material mMat;
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//使用第几个pass
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public int blitShaderPassIndex = 0;
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public FilterMode filterMode { get; set; }
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private RenderTargetIdentifier source { get; set; }
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private RenderTargetHandle destination { get; set; }
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RenderTargetHandle m_temporaryColorTexture;
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string m_ProfilerTag;//专门给profiler看的名字
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public MP_RenderPass(string passname, RenderPassEvent _event, Material _mat)//,float contrast)
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{
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m_ProfilerTag = passname;
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renderPassEvent = _event;
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mMat = _mat;
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//mMat.SetFloat("_Contrast", contrast);
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m_temporaryColorTexture.Init("temporaryColorTexture");
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}
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public void Setup(RenderTargetIdentifier src, RenderTargetHandle dest)
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{
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source = src;
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destination = dest;
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}
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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CommandBuffer cmd = CommandBufferPool.Get(m_ProfilerTag);
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RenderTextureDescriptor opaqueDesc = renderingData.cameraData.cameraTargetDescriptor;
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opaqueDesc.depthBufferBits = 0;
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//不能读写同一个颜色target，创建一个临时的render Target去blit
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if (destination == RenderTargetHandle.CameraTarget)
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{
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cmd.GetTemporaryRT(m_temporaryColorTexture.id, opaqueDesc, filterMode);
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Blit(cmd, source, m_temporaryColorTexture.Identifier(), mMat, blitShaderPassIndex);
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Blit(cmd, m_temporaryColorTexture.Identifier(), source);
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}
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else
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{
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Blit(cmd, source, destination.Identifier(), mMat, blitShaderPassIndex);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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public override void FrameCleanup(CommandBuffer cmd)
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{
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if (destination == RenderTargetHandle.CameraTarget)
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cmd.ReleaseTemporaryRT(m_temporaryColorTexture.id);
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}
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}
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//}
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