Changeset 3306 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

Timestamp:

02/12/09 18:28:32 (15 years ago)

Author:

mattausch

Message:

found error with border

File:

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

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

@@ -231 +231 @@
         // compute position from old frame for dynamic objects + translational portion
         //const float3 translatedPos = difVec - oldEyePos + worldPos.xyz;
+        // don't use difVec here: want to detect if the actual pixel has changed => ssao changed
         const float3 translatedPos = -oldEyePos + worldPos.xyz;
 
@@ -259 +260 @@
         
         // test if this pixel was valid in the old frame
-        float pixelValid;
-
+        float IsPixelValid;
+
+        // check if the pixel belonged to a dyanmic object in the last frame
         const bool oldDynamic = (squaredLen > DYNAMIC_OBJECTS_THRESHOLD);
         const bool newDynamic = (oldPixel.z > DYNAMIC_OBJECTS_THRESHOLD);
@@ -270 +272 @@
         const float pixelCouldBeValid = 2.0f;
         // this pixel information has to be discarded in order to not create artifacts
-        const float pixelNotValid = 10.0f;
-
-        if ((oldTexCoords.x < .0f) || (oldTexCoords.x >= 1.0f) || 
-                (oldTexCoords.y < .0f) || (oldTexCoords.y >= 1.0f))
+        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))
+                )
         {
-                pixelValid = pixelNotValid;
-        }
-        else if (//!((oldEyeSpaceDepth > DEPTH_THRESHOLD) || (projectedEyeSpaceDepth > DEPTH_THRESHOLD)) &&
-                // check if changed from dynamic to not dynamic object
+                IsPixelValid = pixelIsNotValid;
+        }
+        else if (// check if changed from dynamic to not dynamic object
                 ((oldDynamic && !newDynamic) || (!oldDynamic && newDynamic) ||
-                // check if we have a dynamic object and is a depth discontinuity
                 (
+                (oldEyeSpaceDepth < DEPTH_THRESHOLD) && (projectedEyeSpaceDepth < DEPTH_THRESHOLD) &&
+                // check if we have a dynamic object 
                 (oldDynamic || newDynamic) && 
-                //(depthDif > 1e-5f))))
+                // and is a depth discontinuity
                 (depthDif > MIN_DEPTH_DIFF))))
         {       
-                pixelValid = pixelCouldBeValid; 
+                IsPixelValid = pixelCouldBeValid; 
         }
         else 
         {
-                pixelValid = pixelIsValid;
-        }
-
-        return float2(pixelValid, abs(oldEyeSpaceDepth - projectedEyeSpaceDepth));
+                IsPixelValid = pixelIsValid;
+        }
+
+        return float2(IsPixelValid, abs(oldEyeSpaceDepth - projectedEyeSpaceDepth));
 }