Revision: 22228
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=22228
Author:   jaguarandi
Date:     2009-08-05 14:44:11 +0200 (Wed, 05 Aug 2009)

Log Message:
-----------
generic hints for raytracer
for now only BB hint (i am  hoping to find a decent frustum-test)

Modified Paths:
--------------
    
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_vbvh.cpp

Added Paths:
-----------
    
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_hint.h

Added: 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_hint.h
===================================================================
--- 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_hint.h
                         (rev 0)
+++ 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_hint.h
 2009-08-05 12:44:11 UTC (rev 22228)
@@ -0,0 +1,65 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. 
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2009 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): André Pinto.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+#define HINT_RECURSE    1
+#define HINT_ACCEPT             0
+#define HINT_DISCARD   -1
+
+struct HintBB
+{
+       float bb[6];
+};
+
+inline int hint_test_bb(HintBB *obj, float *Nmin, float *Nmax)
+{
+       if(bb_fits_inside( Nmin, Nmax, obj->bb, obj->bb+3 ) )
+               return HINT_RECURSE;
+       else
+               return HINT_ACCEPT;
+}
+/*
+struct HintFrustum
+{
+       float co[3];
+       float no[4][3];
+};
+
+inline int hint_test_bb(HintFrustum &obj, float *Nmin, float *Nmax)
+{
+       //if frustum inside BB
+       {
+               return HINT_RECURSE;
+       }
+       //if BB outside frustum
+       {
+               return HINT_DISCARD;
+       }
+       
+       return HINT_ACCEPT;
+}
+*/


Property changes on: 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_hint.h
___________________________________________________________________
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native

Modified: 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_vbvh.cpp
===================================================================
--- 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_vbvh.cpp
       2009-08-05 12:23:11 UTC (rev 22227)
+++ 
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/rayobject_vbvh.cpp
       2009-08-05 12:44:11 UTC (rev 22228)
@@ -38,6 +38,7 @@
 #include "rayobject.h"
 };
 
+#include "rayobject_hint.h"
 #include "reorganize.h"
 #include "bvh.h"
 #include <queue>
@@ -331,25 +332,25 @@
        }
 }
 
-template<class Node>
-void bvh_dfs_make_hint(Node *node, LCTSHint *hint, int reserve_space, float 
*min, float *max);
+template<class Node,class HintObject>
+void bvh_dfs_make_hint(Node *node, LCTSHint *hint, int reserve_space, 
HintObject *hintObject);
 
-template<class Node>
-void bvh_dfs_make_hint_push_siblings(Node *node, LCTSHint *hint, int 
reserve_space, float *min, float *max)
+template<class Node,class HintObject>
+void bvh_dfs_make_hint_push_siblings(Node *node, LCTSHint *hint, int 
reserve_space, HintObject *hintObject)
 {
        if(!RayObject_isAligned(node))
                hint->stack[hint->size++] = (RayObject*)node;
        else
        {
                if(node->sibling)
-                       bvh_dfs_make_hint_push_siblings(node->sibling, hint, 
reserve_space+1, min, max);
+                       bvh_dfs_make_hint_push_siblings(node->sibling, hint, 
reserve_space+1, hintObject);
 
-               bvh_dfs_make_hint(node, hint, reserve_space, min, max);
+               bvh_dfs_make_hint(node, hint, reserve_space, hintObject);
        }       
 }
 
-template<class Node>
-void bvh_dfs_make_hint(Node *node, LCTSHint *hint, int reserve_space, float 
*min, float *max)
+template<class Node,class HintObject>
+void bvh_dfs_make_hint(Node *node, LCTSHint *hint, int reserve_space, 
HintObject *hintObject)
 {
        assert( hint->size + reserve_space + 1 <= RE_RAY_LCTS_MAX_SIZE );
        
@@ -362,12 +363,13 @@
                int childs = count_childs(node);
                if(hint->size + reserve_space + childs <= RE_RAY_LCTS_MAX_SIZE)
                {
-                       /* We are 100% sure the ray will be pass inside this 
node */
-                       if(bb_fits_inside(node->bb, node->bb+3, min, max) )
+                       int result = hint_test_bb(hintObject, node->bb, 
node->bb+3);
+                       if(result == HINT_RECURSE)
                        {
-                               bvh_dfs_make_hint_push_siblings(node->child, 
hint, reserve_space, min, max);
+                               /* We are 100% sure the ray will be pass inside 
this node */
+                               bvh_dfs_make_hint_push_siblings(node->child, 
hint, reserve_space, hintObject);
                        }
-                       else
+                       else if(result == HINT_ACCEPT)
                        {
                                hint->stack[hint->size++] = (RayObject*)node;
                        }
@@ -382,8 +384,12 @@
 template<class Tree>
 void bvh_hint_bb(Tree *tree, LCTSHint *hint, float *min, float *max)
 {
+       HintBB bb;
+       VECCOPY(bb.bb, min);
+       VECCOPY(bb.bb+3, max);
+       
        hint->size = 0;
-       bvh_dfs_make_hint( tree->root, hint, 0, min, max );
+       bvh_dfs_make_hint( tree->root, hint, 0, &bb );
        tot_hints++;
 }
 


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