[Port] [2021.3] [UUM-85456] Fix missing fog parameters in sprite subtargets

Author: svc-reach-platform-support

Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Targets/UniversalSpriteCustomLitSubTarget.cs

@@ -134,6 +134,7 @@ static class SpriteLitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 keywords = SpriteLitKeywords.Lit,
                 includes = SpriteLitIncludes.Lit,
             };
@@ -190,6 +191,7 @@ static class SpriteLitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 includes = SpriteLitIncludes.Forward,
 
                 // Custom Interpolator Support

Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Targets/UniversalSpriteLitSubTarget.cs

@@ -156,6 +156,7 @@ static class SpriteLitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 keywords = SpriteLitKeywords.Lit,
                 includes = SpriteLitIncludes.Lit,
 
@@ -218,6 +219,7 @@ static class SpriteLitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 includes = SpriteLitIncludes.Forward,
 
                 // Custom Interpolator Support

Packages/com.unity.render-pipelines.universal/Editor/2D/ShaderGraph/Targets/UniversalSpriteUnlitSubTarget.cs

@@ -151,6 +151,7 @@ static class SpriteUnlitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 keywords = SpriteUnlitKeywords.Unlit,
                 includes = SpriteUnlitIncludes.Unlit,
 
@@ -182,6 +183,7 @@ static class SpriteUnlitPasses
                 // Conditional State
                 renderStates = CoreRenderStates.Default,
                 pragmas = CorePragmas._2DDefault,
+                defines = new DefineCollection() { CoreDefines.UseFragmentFog },
                 keywords = SpriteUnlitKeywords.Unlit,
                 includes = SpriteUnlitIncludes.Unlit,
 

Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Targets/UniversalTarget.cs

@@ -1320,6 +1320,7 @@ static class CorePragmas
             { Pragma.Target(ShaderModel.Target20) },
             { Pragma.ExcludeRenderers(new[] { Platform.D3D9 }) },
             { Pragma.MultiCompileInstancing },
+            { Pragma.MultiCompileFog },
             { Pragma.Vertex("vert") },
             { Pragma.Fragment("frag") },
         };