UUM-133557 Color texture is read twice in custom pass

RoseHirigoyen · Evergreen · commit 366ddfd402ec · 2026-02-17T04:25:10.000Z
diff --git a/Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPass.cs b/Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPass.cs
@@ -227,7 +227,7 @@ RenderTargets ReadRenderTargets(in IUnsafeRenderGraphBuilder builder, in RenderT
                 output.colorBufferRG = targets.colorBufferRG;
                 builder.UseTexture(output.colorBufferRG, AccessFlags.ReadWrite);
             }
-            if (targets.nonMSAAColorBufferRG.IsValid())
+            if (targets.nonMSAAColorBufferRG.IsValid() && targets.nonMSAAColorBufferRG != targets.colorBufferRG)
             {
                 output.nonMSAAColorBufferRG = targets.nonMSAAColorBufferRG;
                 builder.UseTexture(output.nonMSAAColorBufferRG, AccessFlags.ReadWrite);

Original file line number	Diff line number	Diff line change
`@@ -227,7 +227,7 @@ RenderTargets ReadRenderTargets(in IUnsafeRenderGraphBuilder builder, in RenderT`
`227`	`227`	`output.colorBufferRG = targets.colorBufferRG;`
`228`	`228`	`builder.UseTexture(output.colorBufferRG, AccessFlags.ReadWrite);`
`229`	`229`	`}`
`230`		`- if (targets.nonMSAAColorBufferRG.IsValid())`
	`230`	`+ if (targets.nonMSAAColorBufferRG.IsValid() && targets.nonMSAAColorBufferRG != targets.colorBufferRG)`
`231`	`231`	`{`
`232`	`232`	`output.nonMSAAColorBufferRG = targets.nonMSAAColorBufferRG;`
`233`	`233`	`builder.UseTexture(output.nonMSAAColorBufferRG, AccessFlags.ReadWrite);`