Added translaprent support

Runtime/Shaders/Includes/ShaderPass/UtsShaderPassForward.hlsl

@@ -79,22 +79,13 @@ void Frag(PackedVaryingsToPS packedInput,
 
     UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(packedInput);
 
-    FragInputs input = UnpackVaryingsMeshToFragInputs(packedInput.vmesh);
-#if defined(PLATFORM_SUPPORTS_PRIMITIVE_ID_IN_PIXEL_SHADER) && SHADER_STAGE_FRAGMENT
-#if (defined(VARYINGS_NEED_PRIMITIVEID) || (SHADERPASS == SHADERPASS_FULL_SCREEN_DEBUG))
-    input.primitiveID = packedInput.primitiveID;
-#endif
-#endif
-
-#if defined(VARYINGS_NEED_CULLFACE) && SHADER_STAGE_FRAGMENT
-    input.isFrontFace = IS_FRONT_VFACE(packedInput.cullFace, true, false);
-#endif
+    FragInputs input = UnpackVaryingsToFragInputs(packedInput);
 
     // We need to readapt the SS position as our screen space positions are for a low res buffer, but we try to access a full res buffer.
     input.positionSS.xy = _OffScreenRendering > 0 ? (input.positionSS.xy * _OffScreenDownsampleFactor) : input.positionSS.xy;
     uint2 tileIndex = uint2(input.positionSS.xy) / GetTileSize();
     PositionInputs posInput = GetPositionInput(input.positionSS.xy, _ScreenSize.zw, input.positionSS.z, input.positionSS.w, input.positionRWS.xyz, tileIndex);
-
+    
 #ifdef VARYINGS_NEED_POSITION_WS
     float3 V = GetWorldSpaceNormalizeViewDir(input.positionRWS);
 
@@ -119,6 +110,10 @@ void Frag(PackedVaryingsToPS packedInput,
     SurfaceData tempSurfaceData;
     BuiltinData builtinData;
     UtsGetSurfaceAndBuiltinData(input, V, posInput, tempSurfaceData, builtinData);
+    
+    float3 doubleSidedConstants = GetDoubleSidedConstants();
+    ApplyDoubleSidedFlipOrMirror(input, doubleSidedConstants);
+    
     UTSSurfaceData surfaceData = GetUTSSurfaceData(input, V);
     UtsBSDFData bsdfData = ConvertUTSSurfaceDataToUTSBSDFData(surfaceData);
 
@@ -153,6 +148,10 @@ void Frag(PackedVaryingsToPS packedInput,
     float4 hairBlendingTex = LOAD_TEXTURE2D_X(_HairBlendingTex, screenUV);
     outColor.rgb = lerp(outColor.rgb, hairBlendingTex.rgb, hairBlendingTex.a * _HairBlendingFactor);
 #endif
+    
+#if _ENABLE_FOG_ON_TRANSPARENT && _SURFACE_TYPE_TRANSPARENT
+    outColor = EvaluateAtmosphericScattering(posInput, V, outColor);
+#endif
 
 #if UTS_DEBUG_SHADOWMAP || UTS_DEBUG_SELFSHADOW
     outColor.rgb = 1;
@@ -176,5 +175,6 @@ void Frag(PackedVaryingsToPS packedInput,
 
     outVTFeedback = builtinData.vtPackedFeedback;
 #endif
-
-}
+    
+    //outColor.rgb = input.isFrontFace;
+}