[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [39530] trunk/blender/source/blender/ render/intern/source/render_texture.c: bugfix: genx and geny are not the image resolution.

[Morten Mikkelsen]

Revision: 39530
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=39530
Author:   mmikkelsen
Date:     2011-08-18 17:25:54 +0000 (Thu, 18 Aug 2011)
Log Message:
-----------
bugfix: genx and geny are not the image resolution. Texture space variant needs 
this.

Modified Paths:
--------------
    trunk/blender/source/blender/render/intern/source/render_texture.c

Modified: trunk/blender/source/blender/render/intern/source/render_texture.c
===================================================================
--- trunk/blender/source/blender/render/intern/source/render_texture.c  
2011-08-18 17:09:23 UTC (rev 39529)
+++ trunk/blender/source/blender/render/intern/source/render_texture.c  
2011-08-18 17:25:54 UTC (rev 39530)
@@ -2084,14 +2084,21 @@
 
        if( mtex->texflag & MTEX_BUMP_TEXTURESPACE ) {
                if(tex->ima) {
+                       float vec[2];
+                       int dimx=512, dimy=512; 
+                       ImBuf* ibuf = BKE_image_get_ibuf(tex->ima, &tex->iuser);
+                       if (ibuf) {
+                               dimx = ibuf->x;
+                               dimy = ibuf->y;
+                       }
+
                        // crazy hack solution that gives results similar to 
normal mapping - part 2
-                       float vec[2];
                        
-                       vec[0] = tex->ima->gen_x*dxt[0];
-                       vec[1] = tex->ima->gen_y*dxt[1];
+                       vec[0] = dimx*dxt[0];
+                       vec[1] = dimy*dxt[1];
                        dHdx *= 1.0f/len_v2(vec);
-                       vec[0] = tex->ima->gen_x*dyt[0];
-                       vec[1] = tex->ima->gen_y*dyt[1];
+                       vec[0] = dimx*dyt[0];
+                       vec[1] = dimy*dyt[1];
                        dHdy *= 1.0f/len_v2(vec);
                }
        }

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