Disabling lighting for now

res/shaders/lib/Common.slang

@@ -68,7 +68,7 @@ float4 screenToView(float4 screen)
     float2 texCoord = screen.xy / pViewParams.screenDimensions;
  
     // Convert to clip space 
-    float4 clip = float4( float2( texCoord.x, 1.0f-texCoord.y ) * 2.0f - 1.0f, screen.z, screen.w);
+    float4 clip = float4( texCoord * 2.0f - 1.0f, screen.z, screen.w);
 
     return clipToView(clip);
 }
@@ -94,7 +94,7 @@ float4 clipToScreen(float4 clip)
     float oz = 1;
     float pz = 0 - 1;
     float zf = pz * ndc.z + oz;
-    return float4(float2(texCoords.x, 1 - texCoords.y) * pViewParams.screenDimensions, zf, 1.0f);
+    return float4(texCoords * pViewParams.screenDimensions, zf, 1.0f);
 }
 
 struct Plane