Changeset 2996 for GTP/trunk

Timestamp:

10/03/08 02:53:02 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/ssao.cg (modified) (1 diff)

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

@@ -196 +196 @@
         // by storing the position from last frame and the old model view matrix
 
+        //float4 oldPos = mul(oldModelViewProj, realPos);
         float4 oldPos = mul(oldModelViewProj, realPos);
 
-        // the depth projected into the old frame
-        const float newDepth = oldPos.z / oldPos.w;
+        //const float projEyeDepth =
+        // the current depth projected into the old frame
+        const float projDepth = oldPos.z / oldPos.w;
 
         // fit from unit cube into 0 .. 1
         float2 tex = (oldPos.xy / oldPos.w) * 0.5f + 0.5f;
 
-        // optain the sample frpm last frame
+        // optain the sample from the last frame
         float4 oldCol = tex2D(oldTex, tex);
 
         const float oldDepth = oldCol.w;
-        const float depthDif = 1.0f - newDepth / oldDepth;
-
-        float oldWeight = clamp(oldCol.z, 0, temporalCoherence);
-        float oldNumSamples = oldCol.y;
+        const float oldNumSamples = oldCol.y;
+        const float oldWeight = clamp(oldCol.z, 0, temporalCoherence);
+
+        const float depthDif = 1.0f - projDepth / oldDepth;
+
 
         float newWeight;