Changeset 3204 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

Timestamp:

12/02/08 17:06:08 (16 years ago)

Author:

mattausch

Message:

debug version showing a visualization of the confidence

File:

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

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

@@ -256 +256 @@
         const float squaredLen = SqrLen(difVec);
         
-        // test if this pixel was not valid in the old frame
-        float validPixel;
+        // test if this pixel was valid in the old frame
+        float pixelValid;
 
         const bool oldDynamic = (squaredLen > DYNAMIC_OBJECTS_THRESHOLD);
         const bool newDynamic = (oldPixel.z > DYNAMIC_OBJECTS_THRESHOLD);
 
-        if (!(oldDynamic && !newDynamic) && !(!oldDynamic && newDynamic) 
-                && !(oldDynamic && newDynamic && (depthDif <= MIN_DEPTH_DIFF))
-                && (oldTexCoords.x >= 0.0f) && (oldTexCoords.x < 1.0f)
-                && (oldTexCoords.y >= 0.0f) && (oldTexCoords.y < 1.0f)
+        const float xOffs = 1.0f / 1024.0f;
+        const float yOffs = 1.0f / 768.0f;
+
+        // actually 0 means pixel is valid
+        const float pixelIsValid = 0.0f;
+        const float pixelCouldBeValid = 2.0f;
+        const float pixelNotValid = 10.0f;
+
+        const float eps = 1e-6f;
+
+        if (0
+                //&& !(oldDynamic && newDynamic && (depthDif <= MIN_DEPTH_DIFF))
+                //&& (oldTexCoords.x + eps >= xOffs) && (oldTexCoords.x <= (1.0f - xOffs) + eps )
+                //&& (oldTexCoords.y + eps >= yOffs) && (oldTexCoords.y <= (1.0f - yOffs) + eps )
+                || (oldTexCoords.x < .0f) || (oldTexCoords.x >= 1.0f)
+                || (oldTexCoords.y < .0f) || (oldTexCoords.y >= 1.0f)
                 )
         {
-                validPixel = 0.0f;
-        }
-        else
+                pixelValid = pixelNotValid;
+        }
+        // check if changed from dynamic to not dynamic object
+        // or there is a depth discontinuity
+        else 
+        if ((oldDynamic && !newDynamic) || (!oldDynamic && newDynamic) ||
+                (oldDynamic && newDynamic && (depthDif <= MIN_DEPTH_DIFF)))
         {       
-                validPixel = 10.5f;
-        }
-
-        //return depthDif;
-        return validPixel;
-}
-
-
+                pixelValid = pixelCouldBeValid; 
+        }
+        else 
+        {
+                pixelValid = pixelIsValid;
+        }
+
+        return pixelValid;
+}
+
+
+/** This function is called during downsampling of the buffers
+        for ssao.
+*/
 pixel PrepareSsao(fragment IN,
                                    uniform sampler2D colorsTex,