新增unity的牛逼shader和熊猫超级shader
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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using System.Collections.Generic;
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namespace NBShader
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{
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public class DisturbanceMaskRenderPass : ScriptableRenderPass
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{
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private ProfilingSampler _profilingSampler;
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#if UNIVERSAL_RP_13_1_2_OR_NEWER
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private RTHandle _DisturbanceMaskRTHandle;
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private RTHandle _cameraDepthRTHandle;
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private RTHandle _DownRT;
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#else
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private static readonly int _DisturbanceMaskRTID = Shader.PropertyToID("_DisturbanceMaskRT");
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private static readonly int _DownRTID = Shader.PropertyToID("_DisturbanceMaskTex");
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private RenderTargetIdentifier _DisturbanceMaskRTHandle = new RenderTargetIdentifier (_DisturbanceMaskRTID);
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private RenderTargetIdentifier _cameraDepthRTHandle;
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private RenderTargetIdentifier _DownRT = new RenderTargetIdentifier (_DownRTID);
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#endif
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private Material tempMat;
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private readonly Downsampling _downSampling;
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private Material _renderMaskMat ;
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// public LayerMask _DisturbanceMaskLayer = 1 << 25;
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private FilteringSettings _Filtering;
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private static readonly int CameraTexture = Shader.PropertyToID("_CameraTexture");
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private static readonly int SampleOffset = Shader.PropertyToID("_SampleOffset");
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private readonly List<ShaderTagId> _shaderTag = new List<ShaderTagId>()
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{
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// new ShaderTagId("UniversalForward"),
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// new ShaderTagId("SRPDefaultUnlit"),
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// new ShaderTagId("UniversalForwardOnly")
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new ShaderTagId("NBDeferredDistortPass")
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};
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public DisturbanceMaskRenderPass(ProfilingSampler profilingSampler,Material DisturbanceMaskMat, Downsampling downSampling)
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{
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_profilingSampler = profilingSampler;
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_renderMaskMat = DisturbanceMaskMat;
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_downSampling = downSampling;
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}
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#if UNIVERSAL_RP_13_1_2_OR_NEWER
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public void SetUp ( RTHandle cameraRTHandle )
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{
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RenderTextureDescriptor descrip = cameraRTHandle.rt.descriptor;
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descrip.colorFormat = RenderTextureFormat.RGHalf;
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descrip.depthBufferBits = 0;
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RenderingUtils.ReAllocateIfNeeded(ref _DisturbanceMaskRTHandle, descrip, name: "DisturbanceMaskRT");
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switch (_downSampling)
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{
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case Downsampling._2xBilinear:
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descrip.width /= 2;
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descrip.height /= 2;
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break;
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case Downsampling._4xBilinear:
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descrip.width /= 4;
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descrip.height /= 4;
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break;
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case Downsampling._4xBox:
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descrip.width /= 4;
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descrip.height /= 4;
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break;
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}
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RenderingUtils.ReAllocateIfNeeded(ref _DownRT, descrip, name:"MaskDownCopyRT");
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}
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#else
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//在AddPass之前触发
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public void SetUpDisturbanceMask(RenderTextureDescriptor descrip ,CommandBuffer cmd)
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{
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descrip.colorFormat = RenderTextureFormat.RGHalf;
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descrip.depthBufferBits = 0;
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cmd.GetTemporaryRT(_DisturbanceMaskRTID, descrip,FilterMode.Bilinear);
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switch (_downSampling)
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{
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case Downsampling._2xBilinear:
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descrip.width /= 2;
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descrip.height /= 2;
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break;
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case Downsampling._4xBilinear:
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descrip.width /= 4;
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descrip.height /= 4;
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break;
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case Downsampling._4xBox:
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descrip.width /= 4;
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descrip.height /= 4;
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break;
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}
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cmd.GetTemporaryRT(_DownRTID, descrip,FilterMode.Bilinear);
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}
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#endif
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public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
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{
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_Filtering = new FilteringSettings(RenderQueueRange.all);
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#if UNIVERSAL_RP_13_1_2_OR_NEWER
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_cameraDepthRTHandle = renderingData.cameraData.renderer.cameraDepthTargetHandle;
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#else
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_cameraDepthRTHandle = renderingData.cameraData.renderer.cameraDepthTarget;
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SetUpDisturbanceMask(renderingData.cameraData.cameraTargetDescriptor,cmd);
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#endif
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}
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private readonly Color _clearDisturbanceMaskColor = new Color(0f, 0f, 0f, 1f);
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public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
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{
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#if UNIVERSAL_RP_13_1_2_OR_NEWER
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ConfigureTarget(_DisturbanceMaskRTHandle, _cameraDepthRTHandle);
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#else
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ConfigureTarget(_DisturbanceMaskRTID, _cameraDepthRTHandle);
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#endif
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//将RT清空
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ConfigureClear(ClearFlag.Color, _clearDisturbanceMaskColor);
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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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if (!(renderingData.cameraData.cameraType == CameraType.Game || renderingData.cameraData.cameraType == CameraType.SceneView))
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return;
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if (!_renderMaskMat)
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{
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return;
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}
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var DisturbanceDraw = CreateDrawingSettings(_shaderTag, ref renderingData, renderingData.cameraData.defaultOpaqueSortFlags);
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CommandBuffer cmd = CommandBufferPool.Get();
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using (new ProfilingScope(cmd, _profilingSampler))
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{
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context.DrawRenderers(renderingData.cullResults, ref DisturbanceDraw, ref _Filtering);
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#if UNIVERSAL_RP_13_1_2_OR_NEWER
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_renderMaskMat.SetTexture(CameraTexture, _DisturbanceMaskRTHandle);
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cmd.SetRenderTarget((RenderTargetIdentifier)_DownRT);
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switch (_downSampling)
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{
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case Downsampling._2xBilinear:
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Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, Vector2.one, _renderMaskMat, 0);
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break;
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case Downsampling._4xBilinear:
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Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, Vector2.one, _renderMaskMat, 0);
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break;
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case Downsampling._4xBox:
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_renderMaskMat.SetFloat(SampleOffset, 2);
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Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, Vector2.one, _renderMaskMat, 1);
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break;
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default:
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Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, Vector2.one, _renderMaskMat, 0);
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break;
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}
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#else
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// cmd.SetGlobalTexture(_DisturbanceMaskRTID, _DisturbanceMaskRTHandle);
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//Bug:在非播放状态时，_DisturbanceMaskRTID在这里会经常丢失。造成画面闪烁。但是，只要有一个DistortObject在Scene中，并LockInspector，就不会闪烁，非常奇怪。
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cmd.SetGlobalTexture(CameraTexture, _DisturbanceMaskRTHandle);
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// _renderMaskMat.SetTexture(CameraTexture, Shader.GetGlobalTexture(_DisturbanceMaskRTID));
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cmd.SetRenderTarget(_DownRT);
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switch (_downSampling)
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{
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case Downsampling._2xBilinear:
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// Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.Blit(_DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.DrawMesh(RenderingUtils.fullscreenMesh, Matrix4x4.identity, _renderMaskMat, 0, 2);
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Blit(cmd, _DisturbanceMaskRTHandle,_DownRT,_renderMaskMat,0);
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break;
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case Downsampling._4xBilinear:
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// Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.Blit(_DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.DrawMesh(RenderingUtils.fullscreenMesh, Matrix4x4.identity, _renderMaskMat, 0, 2);
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Blit(cmd, _DisturbanceMaskRTHandle,_DownRT,_renderMaskMat,0);
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break;
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case Downsampling._4xBox:
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_renderMaskMat.SetFloat(SampleOffset, 2);
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// Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 1);
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// cmd.Blit(_DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 1);
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// cmd.DrawMesh(RenderingUtils.fullscreenMesh, Matrix4x4.identity, _renderMaskMat, 0, 3);
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Blit(cmd, _DisturbanceMaskRTHandle,_DownRT,_renderMaskMat,1);
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break;
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default:
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// Blitter.BlitTexture(cmd, _DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.Blit(_DisturbanceMaskRTHandle, _DownRT, _renderMaskMat, 0);
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// cmd.DrawMesh(RenderingUtils.fullscreenMesh, Matrix4x4.identity, _renderMaskMat, 0, 2);
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Blit(cmd, _DisturbanceMaskRTHandle,_DownRT,_renderMaskMat,0);
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break;
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}
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#endif
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cmd.SetGlobalTexture("_DisturbanceMaskTex", _DownRT);
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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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#if !UNIVERSAL_RP_13_1_2_OR_NEWER
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// Cleanup any allocated resources that were created during the execution of this render pass.
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public override void OnCameraCleanup(CommandBuffer cmd)
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{
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cmd.ReleaseTemporaryRT(_DisturbanceMaskRTID);
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cmd.ReleaseTemporaryRT(_DownRTID);
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}
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//JustForSimple
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public void Dispose()
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{
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}
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#else
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public void Dispose()
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{
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_DisturbanceMaskRTHandle?.Release();
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_DownRT?.Release();
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}
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#endif
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}
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}
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