Fix shader warning

Source/Shaders/AtmosphereFog.hlsl

@@ -329,7 +329,7 @@ float3 GetInscatteredLight(AtmosphericFogData atmosphericFog, in float3 viewPosi
     if (intersectAtmosphere(viewPosition, viewDir, offset, maxPathLength))
     {
         return float3(offset / 10, 0, 0);
-
+#if 0
         float pathLength = distance(viewPosition, surfacePos);
         //return pathLength.xxx;
 
@@ -413,6 +413,7 @@ float3 GetInscatteredLight(AtmosphericFogData atmosphericFog, in float3 viewPosi
             float sunIntensity = 10;
             inscatteredLight *= sunIntensity;
         }
+#endif
     }
 
     return inscatteredLight;
@@ -420,8 +421,6 @@ float3 GetInscatteredLight(AtmosphericFogData atmosphericFog, in float3 viewPosi
 
 float4 GetAtmosphericFog(AtmosphericFogData atmosphericFog, float viewFar, float3 viewPosition, float3 viewVector, float sceneDepth, float3 sceneColor)
 {
-    float4 result = float4(1, 0, 0, 1);
-
 #if 0
 	
 	float scale = 0.00001f * atmosphericFog.AtmosphericFogDistanceScale;// convert cm to km
@@ -536,8 +535,6 @@ float4 GetAtmosphericFog(AtmosphericFogData atmosphericFog, float viewFar, float
     //return float4(sun + groundColor + inscatterColor, 1);
 
 #endif
-
-    return result;
 }
 
 float4 GetAtmosphericFog(AtmosphericFogData atmosphericFog, float viewFar, float3 worldPosition, float3 cameraPosition)

Source/Shaders/ShadowsSampling.hlsl

@@ -227,7 +227,8 @@ ShadowSample SampleDirectionalLightShadowCascade(LightData light, Buffer<float4>
     // Increase the sharpness for higher cascades to match the filter radius
     const float SharpnessScale[MaxNumCascades] = { 1.0f, 1.5f, 3.0f, 3.5f };
     shadow.Sharpness *= SharpnessScale[cascadeIndex];
-    
+
+    result.TransmissionShadow = 1;
 #if defined(USE_GBUFFER_CUSTOM_DATA)
 	// Subsurface shadowing
 	BRANCH
@@ -239,8 +240,6 @@ ShadowSample SampleDirectionalLightShadowCascade(LightData light, Buffer<float4>
 		result.TransmissionShadow = CalculateSubsurfaceOcclusion(opacity, shadowPosition.z, shadowMapDepth);
         result.TransmissionShadow = PostProcessShadow(shadow, result.TransmissionShadow);
 	}
-#else
-    result.TransmissionShadow = 1;
 #endif
 
     result.SurfaceShadow = PostProcessShadow(shadow, result.SurfaceShadow);