Fix URP shaders

mlavik1 · mlavik1 · commit 8e2008dd5b3f · 2026-01-30T21:26:55.000+01:00
diff --git a/Assets/Shaders/URP/CrossSectionPlane.shader b/Assets/Shaders/URP/CrossSectionPlane.shader
@@ -6,11 +6,6 @@
     }
     SubShader
     {
-        PackageRequirements
-        {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue"="Transparent" "RenderType"="Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
         ZWrite Off
@@ -19,7 +14,7 @@
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma vertex vert
             #pragma fragment frag
 
@@ -51,13 +46,13 @@
                 return o;
             }
 
-            fixed4 frag (v2f i) : SV_Target
+            half4 frag (v2f i) : SV_Target
             {
                 // sample the texture
-                fixed4 col = _MainTex.Sample(sampler_MainTex, i.uv);
+                half4 col = _MainTex.Sample(sampler_MainTex, i.uv);
                 return col;
             }
-            ENDCG
+            ENDHLSL
         }
     }
 }
diff --git a/Assets/Shaders/URP/CrossSectionSphere.shader b/Assets/Shaders/URP/CrossSectionSphere.shader
@@ -6,19 +6,14 @@ Shader "VolumeRendering/URP/CrossSectionSphere" {
 
         SubShader
         {
-            PackageRequirements
-            {
-                "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-            }
-
             Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
             LOD 100
 
             Pass
             {
                 Blend SrcAlpha OneMinusSrcAlpha
 
-                CGPROGRAM
+                HLSLPROGRAM
                 #pragma vertex vert
                 #pragma fragment frag
                 #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
@@ -49,20 +44,20 @@ Shader "VolumeRendering/URP/CrossSectionSphere" {
                     return o;
                 }
 
-                fixed4 frag(v2f i) : SV_Target
+                half4 frag(v2f i) : SV_Target
                 {
                     // Calculate the rim effect
                     float3 viewDirection = normalize(_WorldSpaceCameraPos - i.worldPos);
                     float rim = 1.0 - saturate(dot(viewDirection, i.worldNormal));
                     rim = (rim >= (1.0 - _RimThickness)) ? 1.0 : 0.0;
 
-                    float4 col;
+                    half4 col;
                     col.rgb = _RimColor.rgb * rim;
                     col.a = rim * _RimColor.a;
 
                     return col;
                 }
-                ENDCG
+                ENDHLSL
             }
     }
         FallBack "Diffuse"
diff --git a/Assets/Shaders/URP/DirectVolumeRenderingShader.shader b/Assets/Shaders/URP/DirectVolumeRenderingShader.shader
@@ -20,10 +20,6 @@
 }
     SubShader
     {
-        PackageRequirements {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
         Cull Front
@@ -33,7 +29,7 @@
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma multi_compile MODE_DVR MODE_MIP MODE_SURF
             #pragma multi_compile __ TF2D_ON
             #pragma multi_compile __ CROSS_SECTION_ON
@@ -100,7 +96,7 @@
                 return o;
             }
 
-            ENDCG
+            ENDHLSL
         }
     }
 }
diff --git a/Assets/Shaders/URP/SliceRenderingShader.shader b/Assets/Shaders/URP/SliceRenderingShader.shader
@@ -7,18 +7,13 @@
     }
     SubShader
     {
-        PackageRequirements
-        {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
         Cull Off
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma vertex vert
             #pragma fragment frag
             
@@ -63,25 +58,25 @@
                 return o;
             }
             
-            fixed4 frag (v2f i) : SV_Target
+            half4 frag (v2f i) : SV_Target
             {
                 float3 dataCoord = i.relVert + float3(0.5f, 0.5f, 0.5f);
                 // If the current fragment is outside the volume, simply colour it black.
                 // Note: Unity does not seem to have support for clamping texture coordinates to a border value, so we have to do this manually
                 if (dataCoord.x > 1.0f || dataCoord.y > 1.0f || dataCoord.z > 1.0f || dataCoord.x < 0.0f || dataCoord.y < 0.0f || dataCoord.z < 0.0f)
                 {
-                    return float4(0.0f, 0.0f, 0.0f, 1.0f);
+                    return half4(0.0f, 0.0f, 0.0f, 1.0f);
                 }
                 else
                 {
                     // Sample the volume texture.
                     float dataVal = _DataTex.Sample(sampler_DataTex, dataCoord);
-                    float4 col = _TFTex.Sample(sampler_TFTex, float2(dataVal, 0.0));
+                    half4 col = _TFTex.Sample(sampler_TFTex, float2(dataVal, 0.0));
                     col.a = 1.0f;
                     return col;
                 }
             }
-            ENDCG
+            ENDHLSL
         }
     }
 }
diff --git a/Assets/Shaders/URP/TransferFunction2DShader.shader b/Assets/Shaders/URP/TransferFunction2DShader.shader
@@ -6,24 +6,17 @@
     }
     SubShader
     {
-        PackageRequirements
-        {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
 
         Blend SrcAlpha OneMinusSrcAlpha
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma vertex vert
             #pragma fragment frag
-            // make fog work
-            #pragma multi_compile_fog
-            
+
             #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
 
             struct appdata
@@ -35,7 +28,6 @@
             struct v2f
             {
                 float2 uv : TEXCOORD0;
-                UNITY_FOG_COORDS(1)
                 float4 vertex : SV_POSITION;
             };
 
@@ -50,14 +42,14 @@
                 return o;
             }
             
-            fixed4 frag (v2f i) : SV_Target
+            half4 frag (v2f i) : SV_Target
             {
-                fixed4 col = _TFTex.Sample(sampler_TFTex, i.uv);
+                half4 col = _TFTex.Sample(sampler_TFTex, i.uv);
                 //col.a = 1.0f;
-                
+
                 return col;
             }
-            ENDCG
+            ENDHLSL
         }
     }
 }
diff --git a/Assets/Shaders/URP/TransferFunctionPaletteShader.shader b/Assets/Shaders/URP/TransferFunctionPaletteShader.shader
@@ -6,24 +6,17 @@
     }
     SubShader
     {
-        PackageRequirements
-        {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
 
         Blend SrcAlpha OneMinusSrcAlpha
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma vertex vert
             #pragma fragment frag
-            // make fog work
-            #pragma multi_compile_fog
-            
+
             #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
 
             struct appdata
@@ -37,7 +30,6 @@
             {
                 UNITY_VERTEX_OUTPUT_STEREO
                 float2 uv : TEXCOORD0;
-                UNITY_FOG_COORDS(1)
                 float4 vertex : SV_POSITION;
             };
 
@@ -54,18 +46,18 @@
                 return o;
             }
             
-            fixed4 frag (v2f i) : SV_Target
+            half4 frag (v2f i) : SV_Target
             {
-                fixed4 col = _TFTex.Sample(sampler_TFTex, float2(i.uv.x, 0.0f));
+                half4 col = _TFTex.Sample(sampler_TFTex, float2(i.uv.x, 0.0f));
                 col.a = 1.0f;
 #if !UNITY_COLORSPACE_GAMMA
 #define INVERSA_GAMMA 0.4545454
-                col.rgb = pow(col.rgb, float3(INVERSA_GAMMA, INVERSA_GAMMA, INVERSA_GAMMA));
+                col.rgb = pow(col.rgb, half3(INVERSA_GAMMA, INVERSA_GAMMA, INVERSA_GAMMA));
 #endif
-                
+
                 return col;
             }
-            ENDCG
+            ENDHLSL
         }
     }
 }
diff --git a/Assets/Shaders/URP/TransferFunctionShader.shader b/Assets/Shaders/URP/TransferFunctionShader.shader
@@ -7,19 +7,14 @@
     }
     SubShader
     {
-        PackageRequirements
-        {
-            "com.unity.render-pipelines.universal":"[10.0,10.5.3]"
-        }
-
         Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }
         LOD 100
 
         Blend SrcAlpha OneMinusSrcAlpha
 
         Pass
         {
-            CGPROGRAM
+            HLSLPROGRAM
             #pragma vertex vert
             #pragma fragment frag
             
@@ -51,22 +46,22 @@
                 return o;
             }
             
-            fixed4 frag (v2f i) : SV_Target
+            half4 frag (v2f i) : SV_Target
             {
                 float density = i.uv.x;
                 float histY = _HistTex.Sample(sampler_HistTex, float2(density, 0.0f)).r;
-                fixed4 tfCol = _TFTex.Sample(sampler_TFTex, float2(density, 0.0f));
-                float4 histCol = histY > i.uv.y ? float4(1.0f, 1.0f, 1.0f, 1.0f) : float4(0.0f, 0.0f, 0.0f, 0.0f);
-                
+                half4 tfCol = _TFTex.Sample(sampler_TFTex, float2(density, 0.0f));
+                half4 histCol = histY > i.uv.y ? half4(1.0f, 1.0f, 1.0f, 1.0f) : half4(0.0f, 0.0f, 0.0f, 0.0f);
+
                 float alpha = tfCol.a;
                 if (i.uv.y > alpha)
                     tfCol.a = 0.0f;
 
-                float4 col = histCol * 0.5f + tfCol * 0.7f;
-                
+                half4 col = histCol * 0.5f + tfCol * 0.7f;
+
                 return col;
             }
-            ENDCG
+            ENDHLSL
         }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -6,11 +6,6 @@`
`6`	`6`	`}`
`7`	`7`	`SubShader`
`8`	`8`	`{`
`9`		`- PackageRequirements`
`10`		`- {`
`11`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`12`		`- }`
`13`		`-`
`14`	`9`	`Tags { "Queue"="Transparent" "RenderType"="Transparent" "RenderPipeline" = "UniversalPipeline" }`
`15`	`10`	`LOD 100`
`16`	`11`	`ZWrite Off`
`@@ -19,7 +14,7 @@`
`19`	`14`
`20`	`15`	`Pass`
`21`	`16`	`{`
`22`		`- CGPROGRAM`
	`17`	`+ HLSLPROGRAM`
`23`	`18`	`#pragma vertex vert`
`24`	`19`	`#pragma fragment frag`
`25`	`20`
`@@ -51,13 +46,13 @@`
`51`	`46`	`return o;`
`52`	`47`	`}`
`53`	`48`
`54`		`- fixed4 frag (v2f i) : SV_Target`
	`49`	`+ half4 frag (v2f i) : SV_Target`
`55`	`50`	`{`
`56`	`51`	`// sample the texture`
`57`		`- fixed4 col = _MainTex.Sample(sampler_MainTex, i.uv);`
	`52`	`+ half4 col = _MainTex.Sample(sampler_MainTex, i.uv);`
`58`	`53`	`return col;`
`59`	`54`	`}`
`60`		`- ENDCG`
	`55`	`+ ENDHLSL`
`61`	`56`	`}`
`62`	`57`	`}`
`63`	`58`	`}`
Original file line number	Diff line number	Diff line change
`@@ -6,19 +6,14 @@ Shader "VolumeRendering/URP/CrossSectionSphere" {`
`6`	`6`
`7`	`7`	`SubShader`
`8`	`8`	`{`
`9`		`- PackageRequirements`
`10`		`- {`
`11`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`12`		`- }`
`13`		`-`
`14`	`9`	`Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }`
`15`	`10`	`LOD 100`
`16`	`11`
`17`	`12`	`Pass`
`18`	`13`	`{`
`19`	`14`	`Blend SrcAlpha OneMinusSrcAlpha`
`20`	`15`
`21`		`- CGPROGRAM`
	`16`	`+ HLSLPROGRAM`
`22`	`17`	`#pragma vertex vert`
`23`	`18`	`#pragma fragment frag`
`24`	`19`	`#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"`
`@@ -49,20 +44,20 @@ Shader "VolumeRendering/URP/CrossSectionSphere" {`
`49`	`44`	`return o;`
`50`	`45`	`}`
`51`	`46`
`52`		`- fixed4 frag(v2f i) : SV_Target`
	`47`	`+ half4 frag(v2f i) : SV_Target`
`53`	`48`	`{`
`54`	`49`	`// Calculate the rim effect`
`55`	`50`	`float3 viewDirection = normalize(_WorldSpaceCameraPos - i.worldPos);`
`56`	`51`	`float rim = 1.0 - saturate(dot(viewDirection, i.worldNormal));`
`57`	`52`	`rim = (rim >= (1.0 - _RimThickness)) ? 1.0 : 0.0;`
`58`	`53`
`59`		`- float4 col;`
	`54`	`+ half4 col;`
`60`	`55`	`col.rgb = _RimColor.rgb * rim;`
`61`	`56`	`col.a = rim * _RimColor.a;`
`62`	`57`
`63`	`58`	`return col;`
`64`	`59`	`}`
`65`		`- ENDCG`
	`60`	`+ ENDHLSL`
`66`	`61`	`}`
`67`	`62`	`}`
`68`	`63`	`FallBack "Diffuse"`
Original file line number	Diff line number	Diff line change
`@@ -20,10 +20,6 @@`
`20`	`20`	`}`
`21`	`21`	`SubShader`
`22`	`22`	`{`
`23`		`- PackageRequirements {`
`24`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`25`		`- }`
`26`		`-`
`27`	`23`	`Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }`
`28`	`24`	`LOD 100`
`29`	`25`	`Cull Front`
`@@ -33,7 +29,7 @@`
`33`	`29`
`34`	`30`	`Pass`
`35`	`31`	`{`
`36`		`- CGPROGRAM`
	`32`	`+ HLSLPROGRAM`
`37`	`33`	`#pragma multi_compile MODE_DVR MODE_MIP MODE_SURF`
`38`	`34`	`#pragma multi_compile __ TF2D_ON`
`39`	`35`	`#pragma multi_compile __ CROSS_SECTION_ON`
`@@ -100,7 +96,7 @@`
`100`	`96`	`return o;`
`101`	`97`	`}`
`102`	`98`
`103`		`- ENDCG`
	`99`	`+ ENDHLSL`
`104`	`100`	`}`
`105`	`101`	`}`
`106`	`102`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,18 +7,13 @@`
`7`	`7`	`}`
`8`	`8`	`SubShader`
`9`	`9`	`{`
`10`		`- PackageRequirements`
`11`		`- {`
`12`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`13`		`- }`
`14`		`-`
`15`	`10`	`Tags { "Queue" = "Transparent" "RenderPipeline" = "UniversalPipeline" }`
`16`	`11`	`LOD 100`
`17`	`12`	`Cull Off`
`18`	`13`
`19`	`14`	`Pass`
`20`	`15`	`{`
`21`		`- CGPROGRAM`
	`16`	`+ HLSLPROGRAM`
`22`	`17`	`#pragma vertex vert`
`23`	`18`	`#pragma fragment frag`
`24`	`19`
`@@ -63,25 +58,25 @@`
`63`	`58`	`return o;`
`64`	`59`	`}`
`65`	`60`
`66`		`- fixed4 frag (v2f i) : SV_Target`
	`61`	`+ half4 frag (v2f i) : SV_Target`
`67`	`62`	`{`
`68`	`63`	`float3 dataCoord = i.relVert + float3(0.5f, 0.5f, 0.5f);`
`69`	`64`	`// If the current fragment is outside the volume, simply colour it black.`
`70`	`65`	`// Note: Unity does not seem to have support for clamping texture coordinates to a border value, so we have to do this manually`
`71`	`66`	`if (dataCoord.x > 1.0f \|\| dataCoord.y > 1.0f \|\| dataCoord.z > 1.0f \|\| dataCoord.x < 0.0f \|\| dataCoord.y < 0.0f \|\| dataCoord.z < 0.0f)`
`72`	`67`	`{`
`73`		`- return float4(0.0f, 0.0f, 0.0f, 1.0f);`
	`68`	`+ return half4(0.0f, 0.0f, 0.0f, 1.0f);`
`74`	`69`	`}`
`75`	`70`	`else`
`76`	`71`	`{`
`77`	`72`	`// Sample the volume texture.`
`78`	`73`	`float dataVal = _DataTex.Sample(sampler_DataTex, dataCoord);`
`79`		`- float4 col = _TFTex.Sample(sampler_TFTex, float2(dataVal, 0.0));`
	`74`	`+ half4 col = _TFTex.Sample(sampler_TFTex, float2(dataVal, 0.0));`
`80`	`75`	`col.a = 1.0f;`
`81`	`76`	`return col;`
`82`	`77`	`}`
`83`	`78`	`}`
`84`		`- ENDCG`
	`79`	`+ ENDHLSL`
`85`	`80`	`}`
`86`	`81`	`}`
`87`	`82`	`}`
Original file line number	Diff line number	Diff line change
`@@ -6,24 +6,17 @@`
`6`	`6`	`}`
`7`	`7`	`SubShader`
`8`	`8`	`{`
`9`		`- PackageRequirements`
`10`		`- {`
`11`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`12`		`- }`
`13`		`-`
`14`	`9`	`Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }`
`15`	`10`	`LOD 100`
`16`	`11`
`17`	`12`	`Blend SrcAlpha OneMinusSrcAlpha`
`18`	`13`
`19`	`14`	`Pass`
`20`	`15`	`{`
`21`		`- CGPROGRAM`
	`16`	`+ HLSLPROGRAM`
`22`	`17`	`#pragma vertex vert`
`23`	`18`	`#pragma fragment frag`
`24`		`- // make fog work`
`25`		`- #pragma multi_compile_fog`
`26`		`-`
	`19`	`+`
`27`	`20`	`#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"`
`28`	`21`
`29`	`22`	`struct appdata`
`@@ -35,7 +28,6 @@`
`35`	`28`	`struct v2f`
`36`	`29`	`{`
`37`	`30`	`float2 uv : TEXCOORD0;`
`38`		`- UNITY_FOG_COORDS(1)`
`39`	`31`	`float4 vertex : SV_POSITION;`
`40`	`32`	`};`
`41`	`33`
`@@ -50,14 +42,14 @@`
`50`	`42`	`return o;`
`51`	`43`	`}`
`52`	`44`
`53`		`- fixed4 frag (v2f i) : SV_Target`
	`45`	`+ half4 frag (v2f i) : SV_Target`
`54`	`46`	`{`
`55`		`- fixed4 col = _TFTex.Sample(sampler_TFTex, i.uv);`
	`47`	`+ half4 col = _TFTex.Sample(sampler_TFTex, i.uv);`
`56`	`48`	`//col.a = 1.0f;`
`57`		`-`
	`49`	`+`
`58`	`50`	`return col;`
`59`	`51`	`}`
`60`		`- ENDCG`
	`52`	`+ ENDHLSL`
`61`	`53`	`}`
`62`	`54`	`}`
`63`	`55`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,19 +7,14 @@`
`7`	`7`	`}`
`8`	`8`	`SubShader`
`9`	`9`	`{`
`10`		`- PackageRequirements`
`11`		`- {`
`12`		`- "com.unity.render-pipelines.universal":"[10.0,10.5.3]"`
`13`		`- }`
`14`		`-`
`15`	`10`	`Tags { "Queue" = "Transparent" "RenderType" = "Transparent" "RenderPipeline" = "UniversalPipeline" }`
`16`	`11`	`LOD 100`
`17`	`12`
`18`	`13`	`Blend SrcAlpha OneMinusSrcAlpha`
`19`	`14`
`20`	`15`	`Pass`
`21`	`16`	`{`
`22`		`- CGPROGRAM`
	`17`	`+ HLSLPROGRAM`
`23`	`18`	`#pragma vertex vert`
`24`	`19`	`#pragma fragment frag`
`25`	`20`
`@@ -51,22 +46,22 @@`
`51`	`46`	`return o;`
`52`	`47`	`}`
`53`	`48`
`54`		`- fixed4 frag (v2f i) : SV_Target`
	`49`	`+ half4 frag (v2f i) : SV_Target`
`55`	`50`	`{`
`56`	`51`	`float density = i.uv.x;`
`57`	`52`	`float histY = _HistTex.Sample(sampler_HistTex, float2(density, 0.0f)).r;`
`58`		`- fixed4 tfCol = _TFTex.Sample(sampler_TFTex, float2(density, 0.0f));`
`59`		`- float4 histCol = histY > i.uv.y ? float4(1.0f, 1.0f, 1.0f, 1.0f) : float4(0.0f, 0.0f, 0.0f, 0.0f);`
`60`		`-`
	`53`	`+ half4 tfCol = _TFTex.Sample(sampler_TFTex, float2(density, 0.0f));`
	`54`	`+ half4 histCol = histY > i.uv.y ? half4(1.0f, 1.0f, 1.0f, 1.0f) : half4(0.0f, 0.0f, 0.0f, 0.0f);`
	`55`	`+`
`61`	`56`	`float alpha = tfCol.a;`
`62`	`57`	`if (i.uv.y > alpha)`
`63`	`58`	`tfCol.a = 0.0f;`
`64`	`59`
`65`		`- float4 col = histCol * 0.5f + tfCol * 0.7f;`
`66`		`-`
	`60`	`+ half4 col = histCol * 0.5f + tfCol * 0.7f;`
	`61`	`+`
`67`	`62`	`return col;`
`68`	`63`	`}`
`69`		`- ENDCG`
	`64`	`+ ENDHLSL`
`70`	`65`	`}`
`71`	`66`	`}`
`72`	`67`	`}`