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@@ -0,0 +1,111 @@
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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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+
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+// Saved in Blit.cs
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+public class Blit : ScriptableRendererFeature {
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+
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+ public class BlitPass : ScriptableRenderPass {
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+ public enum RenderTarget {
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+ Color,
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+ RenderTexture,
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+ }
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+
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+ public Material blitMaterial = null;
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+ public int blitShaderPassIndex = 0;
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+ public FilterMode filterMode { get; set; }
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+
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+ private RenderTargetIdentifier source { get; set; }
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+ private RenderTargetHandle destination { get; set; }
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+
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+ RenderTargetHandle m_TemporaryColorTexture;
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+ string m_ProfilerTag;
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+
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+ public BlitPass(RenderPassEvent renderPassEvent, Material blitMaterial, int blitShaderPassIndex, string tag) {
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+ this.renderPassEvent = renderPassEvent;
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+ this.blitMaterial = blitMaterial;
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+ this.blitShaderPassIndex = blitShaderPassIndex;
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+ m_ProfilerTag = tag;
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+ m_TemporaryColorTexture.Init("_TemporaryColorTexture");
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+ }
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+
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+ public void Setup(RenderTargetIdentifier source, RenderTargetHandle destination) {
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+ this.source = source;
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+ this.destination = destination;
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+ }
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+
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+ public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData) {
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+ CommandBuffer cmd = CommandBufferPool.Get(m_ProfilerTag);
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+
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+ RenderTextureDescriptor opaqueDesc = renderingData.cameraData.cameraTargetDescriptor;
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+ opaqueDesc.depthBufferBits = 0;
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+
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+ // Can't read and write to same color target, use a TemporaryRT
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+ if (destination == RenderTargetHandle.CameraTarget) {
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+ cmd.GetTemporaryRT(m_TemporaryColorTexture.id, opaqueDesc, filterMode);
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+ Blit(cmd, source, m_TemporaryColorTexture.Identifier(), blitMaterial, blitShaderPassIndex);
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+ Blit(cmd, m_TemporaryColorTexture.Identifier(), source);
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+ } else {
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+ Blit(cmd, source, destination.Identifier(), blitMaterial, blitShaderPassIndex);
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+ }
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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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+
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+ public override void FrameCleanup(CommandBuffer cmd) {
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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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+ [System.Serializable]
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+ public class BlitSettings {
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+ public RenderPassEvent Event = RenderPassEvent.AfterRenderingOpaques;
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+
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+ public Material blitMaterial = null;
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+ public int blitMaterialPassIndex = -1;
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+ public Target destination = Target.Color;
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+ public string textureId = "_BlitPassTexture";
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+ }
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+
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+ public enum Target {
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+ Color,
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+ Texture
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+ }
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+
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+ public BlitSettings settings = new BlitSettings();
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+ RenderTargetHandle m_RenderTextureHandle;
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+
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+ BlitPass blitPass;
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+
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+ public override void Create() {
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+ var passIndex = settings.blitMaterial != null ? settings.blitMaterial.passCount - 1 : 1;
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+ settings.blitMaterialPassIndex = Mathf.Clamp(settings.blitMaterialPassIndex, -1, passIndex);
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+ blitPass = new BlitPass(settings.Event, settings.blitMaterial, settings.blitMaterialPassIndex, name);
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+ m_RenderTextureHandle.Init(settings.textureId);
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+ }
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+
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+ public override void SetupRenderPasses(ScriptableRenderer renderer, in RenderingData renderingData)
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+ {
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+ var src = renderer.cameraColorTargetHandle;
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+ var dest = (settings.destination == Target.Color) ? RenderTargetHandle.CameraTarget : m_RenderTextureHandle;
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+ blitPass.Setup(src, dest);
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+ }
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+
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+ public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData) {
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+
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+
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+ if (settings.blitMaterial == null) {
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+ Debug.LogWarningFormat("Missing Blit Material. {0} blit pass will not execute. Check for missing reference in the assigned renderer.", GetType().Name);
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+ return;
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+ }
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+
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+ if (!renderingData.cameraData.camera.tag.Equals("MainCamera"))
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+ {
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+ return;
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+ }
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+
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+ renderer.EnqueuePass(blitPass);
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+ }
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+}
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DESKTOP-FB72PO8\Administrator
