[Port] [6000.3] [UUM-133826] Initialize uv1 for Canvas shaders when not using masking

Author: svc-reach-platform-support

Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Canvas/HDCanvasPass.hlsl

@@ -91,6 +91,8 @@ Varyings BuildVaryings(Attributes input)
             float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
             float2 maskUV = (input.positionOS.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
             output.texCoord1 = float4(input.positionOS.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+        #else
+            output.texCoord1 = input.uv1;
         #endif
     #endif
 

Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Includes/CanvasPass.hlsl

@@ -80,6 +80,8 @@ Varyings BuildVaryings(Attributes input)
             float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
             float2 maskUV = (input.positionOS.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
             output.texCoord1 = float4(input.positionOS.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+        #else
+            output.texCoord1 = input.uv1;
         #endif
     #endif
 

Packages/com.unity.shadergraph/Editor/Generation/Targets/BuiltIn/Editor/ShaderGraph/Includes/BuiltInCanvasPass.hlsl

@@ -77,6 +77,8 @@ Varyings BuildVaryings(Attributes input)
             float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
             float2 maskUV = (input.positionOS.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
             output.texCoord1 = float4(input.positionOS.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+        #else
+            output.texCoord1 = input.uv1;
         #endif
     #endif