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shaders

Timestamp:

12/23/08 17:39:27 (16 years ago)

Author:

mattausch

Message:

started dof implementation (not working yet!)

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders

Files:

-                      r3226
+                      r3232
         float4 ao =  tex2Dlod(ssaoTex, float4(IN.texCoord, 0, 0));
+#if 0 // use half size
         // the following has to be done for half resolution ssao:
         // get the minimum convergence by exactly sampling the 4 surrounding
 …
         // get position exactly between old texel centers
         /*float2 center;
+        float2 center;
         center.x = (floor(IN.texCoord.x * w - .5f) + 1.0f) / w;
         center.y = (floor(IN.texCoord.y * h - .5f) + 1.0f) / h;
 …
         const float minConvergence = min(m1, m2);
+        const float convergence = minConvergence;*/
+        //const float convergence = 0;
+        const float convergence = minConvergence;
+#else
+        // just take unfiltered convergence in current pixel
         const float convergence = ao.y;
+#endif
         // filter reaches size 1 pixel when sample size reaches threshold
         // afterwards we do not use the filter anymore

r3230	r3232
47	47
48	48
49
50
51	49	inline float2 myrotate(float2 pt, float angle)
52	50	{
…	…
60	58	}
61	59
62
63		~~#define USE_GTX~~

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