Revision: 37911
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=37911
Author:   nazgul
Date:     2011-06-28 15:47:45 +0000 (Tue, 28 Jun 2011)
Log Message:
-----------
Merging r37894 through r37910 from trunk into soc-2011-salad

Revision Links:
--------------
    
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=37894
    
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=37910

Modified Paths:
--------------
    branches/soc-2011-salad/CMakeLists.txt
    branches/soc-2011-salad/source/blender/render/intern/source/imagetexture.c

Property Changed:
----------------
    branches/soc-2011-salad/


Property changes on: branches/soc-2011-salad
___________________________________________________________________
Modified: svn:mergeinfo
   - /branches/soc-2010-jwilkins:28499-37009
/branches/soc-2010-nicolasbishop:28448-30783,30792-30793,30797-30798,30815
/branches/soc-2011-cucumber:36829-36994
/branches/soc-2011-onion:36833-37529
/branches/soc-2011-pepper:36830-37151
/branches/soc-2011-tomato:36831-37894
/trunk/blender:36834-37893
   + /branches/soc-2010-jwilkins:28499-37009
/branches/soc-2010-nicolasbishop:28448-30783,30792-30793,30797-30798,30815
/branches/soc-2011-cucumber:36829-36994
/branches/soc-2011-onion:36833-37529
/branches/soc-2011-pepper:36830-37151
/branches/soc-2011-tomato:36831-37894
/trunk/blender:36834-37910

Modified: branches/soc-2011-salad/CMakeLists.txt
===================================================================
--- branches/soc-2011-salad/CMakeLists.txt      2011-06-28 15:46:38 UTC (rev 
37910)
+++ branches/soc-2011-salad/CMakeLists.txt      2011-06-28 15:47:45 UTC (rev 
37911)
@@ -53,7 +53,6 @@
        set(FIRST_RUN "TRUE")
 endif()
 
-
 # this starts out unset
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/build_files/cmake/Modules")
 

Modified: 
branches/soc-2011-salad/source/blender/render/intern/source/imagetexture.c
===================================================================
--- branches/soc-2011-salad/source/blender/render/intern/source/imagetexture.c  
2011-06-28 15:46:38 UTC (rev 37910)
+++ branches/soc-2011-salad/source/blender/render/intern/source/imagetexture.c  
2011-06-28 15:47:45 UTC (rev 37911)
@@ -76,7 +76,7 @@
 extern struct Render R;
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
 
-static void boxsample(ImBuf *ibuf, float minx, float miny, float maxx, float 
maxy, TexResult *texres, int imaprepeat, int imapextend);
+static void boxsample(ImBuf *ibuf, float minx, float miny, float maxx, float 
maxy, TexResult *texres, const short imaprepeat, const short imapextend);
 
 /* *********** IMAGEWRAPPING ****************** */
 
@@ -115,6 +115,7 @@
 {
        float fx, fy, val1, val2, val3;
        int x, y, retval;
+       int xi, yi; /* original values */
 
        texres->tin= texres->ta= texres->tr= texres->tg= texres->tb= 0.0f;
        
@@ -166,8 +167,8 @@
                }
        }
 
-       x = (int)floorf(fx*ibuf->x);
-       y = (int)floorf(fy*ibuf->y);
+       x= xi= (int)floorf(fx*ibuf->x);
+       y= yi= (int)floorf(fy*ibuf->y);
 
        if(tex->extend == TEX_CLIPCUBE) {
                if(x<0 || y<0 || x>=ibuf->x || y>=ibuf->y || texvec[2]<-1.0f || 
texvec[2]>1.0f) {
@@ -209,10 +210,17 @@
                filterx = (0.5f * tex->filtersize) / ibuf->x;
                filtery = (0.5f * tex->filtersize) / ibuf->y;
 
+               /* important that this value is wrapped [#27782]
+                * this applies the modifications made by the checks above,
+                * back to the floating point values */
+               fx -= (float)(xi - x) / (float)ibuf->x;
+               fy -= (float)(yi - y) / (float)ibuf->y;
+
                boxsample(ibuf, fx-filterx, fy-filtery, fx+filterx, fy+filtery, 
texres, (tex->extend==TEX_REPEAT), (tex->extend==TEX_EXTEND));
        }
-       else /* no filtering */
+       else { /* no filtering */
                ibuf_get_color(&texres->tr, ibuf, x, y);
+       }
        
        if( (R.flag & R_SEC_FIELD) && (ibuf->flags & IB_fields) ) {
                ibuf->rect-= (ibuf->x*ibuf->y);
@@ -524,15 +532,17 @@
        }
 }
 
-static void boxsample(ImBuf *ibuf, float minx, float miny, float maxx, float 
maxy, TexResult *texres, int imaprepeat, int imapextend)
+static void boxsample(ImBuf *ibuf, float minx, float miny, float maxx, float 
maxy, TexResult *texres, const short imaprepeat, const short imapextend)
 {
        /* Sample box, performs clip. minx etc are in range 0.0 - 1.0 .
-   * Enlarge with antialiased edges of pixels.
-   * If variable 'imaprepeat' has been set, the
-   * clipped-away parts are sampled as well.
-   */
+        * Enlarge with antialiased edges of pixels.
+        * If variable 'imaprepeat' has been set, the
+        * clipped-away parts are sampled as well.
+        */
        /* note: actually minx etc isnt in the proper range... this due to 
filter size and offset vectors for bump */
        /* note: talpha must be initialized */
+       /* note: even when 'imaprepeat' is set, this can only repeate once in 
any direction.
+        * the point which min/max is derived from is assumed to be wrapped */
        TexResult texr;
        rctf *rf, stack[8];
        float opp, tot, alphaclip= 1.0;

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