Changeset 3018 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

Timestamp:

10/09/08 11:48:06 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg (modified) (3 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

@@ -78 +78 @@
         
         OUT.color = col;
-        OUT.color.w = color.w;
+
+        // store scaled view vector from now on so wie don't have to normalize for e.g., ssao
+        float3 viewDir = IN.view;
+        const float lenView = length(viewDir);
+
+        OUT.color.w = color.w / lenView;
 
         return OUT;
@@ -160 +165 @@
         /// reconstruct position from the eye space depth
         float3 viewDir = IN.view;
+        const float lenView = length(viewDir);
+        viewDir /= lenView;
+
         const float eyeDepth = tex2Dlod(colors, float4(IN.texCoord, 0, 0)).w;
 
@@ -195 +203 @@
         OUT.color = useShading ? (ambient + diffuse) * color : color;
 
-        OUT.color.w = color.w;
+        // store scaled view vector from now on so wie don't have to normalize for e.g., ssao
+        OUT.color.w = color.w / lenView;
 
         return OUT;