Changeset 2887 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg

Timestamp:

08/31/08 13:15:30 (16 years ago)

Author:

mattausch

Message:

made changes to view transformation but still not working

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg (modified) (2 diffs)

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

@@ -88 +88 @@
                 // if surface normal perpenticular to view dir, approx. half of the samples will not count
                 // => compensate for this (on the other hand, projected sampling area could be larger!)
-                const float view_correction = 1.0f + VIEW_CORRECTION_SCALE * (1.0f - dot(currentViewDir, currentNormal));
+                //const float view_correction = 1.0f + VIEW_CORRECTION_SCALE * (1.0f - dot(currentViewDir, currentNormal));
+                //total_ao += cos_angle * distance_intensity * view_correction;
 
-                total_ao += cos_angle * distance_intensity * view_correction;
+                total_ao += cos_angle * distance_intensity;
         }
 
-        return max(0.0f, 1.0f - total_ao);
+        //return max(0.0f, 1.0f - total_ao);
+        return saturate(dot(currentViewDir, currentNormal));
 }
 
@@ -178 +180 @@
         float4 ao = tex2D(ssaoTex, IN.texCoord.xy);
 
-        OUT.illum_col = col * ao.x;
-        //OUT.illum_col = ao;
+        //OUT.illum_col = col * ao.x;
+        OUT.illum_col = ao;
+
         OUT.illum_col.w = ao.w;