Changeset 3101 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders

Timestamp:

11/05/08 15:14:22 (16 years ago)

Author:

mattausch

Message:

depth queries not working

File:

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

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

@@ -88 +88 @@
         
         const float sampleEyeSpaceDepth = tex2Dlod(colors, float4(texCoord, 0, 0)).w;
-        //float3 viewVec = normalize(Interpol(texcoord, bl, br, tl, tr));
+        
         const float3 viewVec = Interpol(texCoord, bl, br, tl, tr);
         const float3 samplePos = -viewVec * sampleEyeSpaceDepth;
@@ -158 +158 @@
         // fit from unit cube into 0 .. 1
         const float2 oldTexCoords = backProjPos.xy * 0.5f + 0.5f;
-        //const float2 oldTexCoords = texcoord0;
+        
 
         // retrieve the sample from the last frame
@@ -166 +166 @@
 
         // vector from eye pos to old sample 
-        //const float3 viewVec = normalize(Interpol(oldTexCoords, oldbl, oldbr, oldtl, oldtr));
         const float3 viewVec = Interpol(oldTexCoords, oldbl, oldbr, oldtl, oldtr);
-        //const float3 oldWorldPos = oldEyePos - oldEyeSpaceDepth * viewVec;
-        //const float3 oldWorldPos = - viewVec * eyeSpaceDepth;
-        //const float3 dummy14 = Interpol(texcoord0, bl, br, tl, tr);
-
-        // the euclidian world space distance
-        //const float depthDif = length(oldWorldPos - worldPos.xyz);
-        //const float depthDif = length(dummy14 - viewVec);
-        //const float projectedEyeSpaceDepth = length(worldPos + oldEyePos);
+        
         const float invlen = 1.0f / length(viewVec);
         const float projectedEyeSpaceDepth = length(dummyPt) * invlen;
         
         const float depthDif = abs(oldEyeSpaceDepth - projectedEyeSpaceDepth);
-        //const float depthDif = length(oldEyePos);
-
+        
         float notValid = 0.5f;