Move UnityStereoTransformScreenSpaceTex to Core.hlsl

ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/Core.hlsl

     ApplyFogColor(color, unity_FogColor.rgb, fogFactor);
 }
 
-
+// Stereo-related bits
+
+#if defined(UNITY_SINGLE_PASS_STEREO)
+float2 TransformStereoScreenSpaceTex(float2 uv, float w)
+{
+    // TODO: RVS support can be added here, if LWRP decides to support it
+    float4 scaleOffset = unity_StereoScaleOffset[unity_StereoEyeIndex];
+    return uv.xy * scaleOffset.xy + scaleOffset.zw * w;
+}
+
+float2 UnityStereoTransformScreenSpaceTex(float2 uv)
+{
+    return TransformStereoScreenSpaceTex(saturate(uv), 1.0);
+}
+#else
+
+#define UnityStereoTransformScreenSpaceTex(uv) uv
+
+#endif // defined(UNITY_SINGLE_PASS_STEREO)
 
 #endif

ScriptableRenderPipeline/LightweightPipeline/LWRP/ShaderLibrary/InputBuiltin.hlsl

     return M;
 }
 
-// Move these to Core.hlsl
-#if defined(UNITY_SINGLE_PASS_STEREO)
-float2 TransformStereoScreenSpaceTex(float2 uv, float w)
-{
-    float4 scaleOffset = unity_StereoScaleOffset[unity_StereoEyeIndex];
-    return uv.xy * scaleOffset.xy + scaleOffset.zw * w;
-}
-
-float2 UnityStereoTransformScreenSpaceTex(float2 uv)
-{
-    return TransformStereoScreenSpaceTex(saturate(uv), 1.0);
-}
-#else
-
-#define UnityStereoTransformScreenSpaceTex(uv) uv
-
-#endif
-
 #endif // LIGHTWEIGHT_SHADER_VARIABLES_INCLUDED

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightScreenSpaceShadows.shader

             float4 projPos = o.pos * 0.5;
             projPos.xy = projPos.xy + projPos.w;
 
-            //o.texcoord.xy = i.texcoord;
-            o.texcoord.xy = UnityStereoTransformScreenSpaceTex(i.texcoord.xy);
+            o.texcoord.xy = UnityStereoTransformScreenSpaceTex(i.texcoord);
             o.texcoord.zw = projPos.xy;
 
             return o;