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Author: boulos
Date: Fri Jul 29 03:19:26 2005
New Revision: 456

Modified:
   branches/itanium2/Model/Materials/AmbientOcclusion.cc
Log:
Fixing a few bugs in sending off groups of
ray packets (indexing bugs).


Modified: branches/itanium2/Model/Materials/AmbientOcclusion.cc
==============================================================================
--- branches/itanium2/Model/Materials/AmbientOcclusion.cc       (original)
+++ branches/itanium2/Model/Materials/AmbientOcclusion.cc       Fri Jul 29 
03:19:26 2005
@@ -58,6 +58,7 @@
 {
     // Compute normals
     rays.computeNormals(context);
+    rays.computeHitPositions();
 
     // Compute colors
     Color colors[RayPacket::MaxSize];
@@ -65,8 +66,6 @@
     colortex->mapValues(context, rays, colors);
     cutoff_tex->mapValues(context, rays, dists);
 
-
-
     for (int i = 0; i < rays.getSize(); i++)
     {
         // for each position, compute a local coordinate frame
@@ -90,14 +89,14 @@
         float num_miss = 0.f;
         while ( num_sent < num_directions )
         {
-            int start = num_sent + 1;
+            int start = num_sent;
             int end   = start + RayPacket::MaxSize;
             if (end > num_directions) end = num_directions;
 
             RayPacketData occlusion_data;
             RayPacket occlusion_rays(occlusion_data, end-start, 
rays.getDepth(), RayPacket::NormalizedDirections | RayPacket::ConstantOrigin);
 
-            for ( int r = start; r <= end; r++ )
+            for ( int r = start; r < end; r++ )
             {
                 RayPacket::Element& element = occlusion_rays.get(r-start);
                 Vector trans_dir = directions[r][0]*U + directions[r][1]*V + 
directions[r][2]*W;
@@ -108,7 +107,7 @@
             // packet is ready, test it for shadows
             context.scene->getObject()->intersect(context, occlusion_rays);
             // count the number of occluded ones
-            for (int r = start; r <= end; r++ )
+            for (int r = start; r < end; r++ )
             {
                 RayPacket::Element& element = occlusion_rays.get(r-start);
                 if(!element.hitInfo.wasHit())

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• [MANTA] r456 - branches/itanium2/Model/Materials, boulos, 07/29/2005

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