Changeset 3309 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

Timestamp:

02/13/09 11:49:44 (15 years ago)

Author:

mattausch

Message:

working on changed sampling scheme for temporal coherence

File:

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

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

@@ -269 +269 @@
         const float pixelIsValid = 0.0f;
         // means that we only use slight temporal coherence over some frames
-        // so that there si no noticeable drag
+        // so that there is no noticeable drag
         const float pixelCouldBeValid = 2.0f;
         // this pixel information has to be discarded in order to not create artifacts
         const float pixelIsNotValid = 100.0f;
 
-        const float xOffs = 0;// 0.5f / 1024.0f;
-        const float yOffs = 0;// 0.5f / 768.0f;
-
-        if ((oldTexCoords.x < xOffs) || (oldTexCoords.x > (1.0f - xOffs)) || 
-                (oldTexCoords.y < yOffs) || (oldTexCoords.y > (1.0f - yOffs))
+        // check if the pixel was outside of the frame buffer
+        if ((oldTexCoords.x <= 0) || (oldTexCoords.x >= 1.0f) || 
+                (oldTexCoords.y <= 0) || (oldTexCoords.y >= 1.0f)
                 )
         {