Revision: 42544
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=42544
Author:   mmikkelsen
Date:     2011-12-10 01:00:12 +0000 (Sat, 10 Dec 2011)
Log Message:
-----------
verify existence of dm

Modified Paths:
--------------
    trunk/blender/source/blender/gpu/intern/gpu_draw.c
    trunk/blender/source/blender/render/intern/source/render_texture.c
    trunk/blender/source/gameengine/Ketsji/BL_BlenderShader.cpp

Modified: trunk/blender/source/blender/gpu/intern/gpu_draw.c
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_draw.c  2011-12-09 23:26:06 UTC 
(rev 42543)
+++ trunk/blender/source/blender/gpu/intern/gpu_draw.c  2011-12-10 01:00:12 UTC 
(rev 42544)
@@ -1156,11 +1156,14 @@
                if(gattribs && GMS.gmatbuf[nr]) {
                        /* bind glsl material and get attributes */
                        Material *mat = GMS.gmatbuf[nr];
+                       float auto_bump_scale;
 
                        gpumat = GPU_material_from_blender(GMS.gscene, mat);
                        GPU_material_vertex_attributes(gpumat, gattribs);
                        GPU_material_bind(gpumat, GMS.gob->lay, GMS.glay, 1.0, 
!(GMS.gob->mode & OB_MODE_TEXTURE_PAINT));
-                       GPU_material_bind_uniforms(gpumat, GMS.gob->obmat, 
GMS.gviewmat, GMS.gviewinv, GMS.gob->col, 
GMS.gob->derivedFinal->auto_bump_scale);
+
+                       auto_bump_scale = GMS.gob->derivedFinal!=0 ? 
GMS.gob->derivedFinal->auto_bump_scale : 1.0f;
+                       GPU_material_bind_uniforms(gpumat, GMS.gob->obmat, 
GMS.gviewmat, GMS.gviewinv, GMS.gob->col, auto_bump_scale);
                        GMS.gboundmat= mat;
 
                        /* for glsl use alpha blend mode, unless it's set to 
solid and

Modified: trunk/blender/source/blender/render/intern/source/render_texture.c
===================================================================
--- trunk/blender/source/blender/render/intern/source/render_texture.c  
2011-12-09 23:26:06 UTC (rev 42543)
+++ trunk/blender/source/blender/render/intern/source/render_texture.c  
2011-12-10 01:00:12 UTC (rev 42544)
@@ -1960,13 +1960,16 @@
        }
        
        if(found_deriv_map) {
-               float dBdu, dBdv, auto_bump;
+               float dBdu, dBdv, auto_bump = 1.0f;
                float s = 1;            // negate this if flipped texture 
coordinate
                texco_mapping(shi, tex, mtex, co, dx, dy, texvec, dxt, dyt);
                rgbnor = multitex_mtex(shi, mtex, texvec, dxt, dyt, texres);
 
-               auto_bump = shi->obr->ob->derivedFinal->auto_bump_scale;
-               auto_bump /= sqrtf((float) (dimx*dimy));
+               if(shi->obr->ob->derivedFinal)
+               {
+                       auto_bump = shi->obr->ob->derivedFinal->auto_bump_scale;
+                       auto_bump /= sqrtf((float) (dimx*dimy));
+               }
                
                // this variant using a derivative map is described here
                // http://mmikkelsen3d.blogspot.com/2011/07/derivative-maps.html

Modified: trunk/blender/source/gameengine/Ketsji/BL_BlenderShader.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/BL_BlenderShader.cpp 2011-12-09 
23:26:06 UTC (rev 42543)
+++ trunk/blender/source/gameengine/Ketsji/BL_BlenderShader.cpp 2011-12-10 
01:00:12 UTC (rev 42544)
@@ -147,7 +147,8 @@
        else
                obcol[0]= obcol[1]= obcol[2]= obcol[3]= 1.0f;
 
-       GPU_material_bind_uniforms(gpumat, obmat, viewmat, viewinvmat, obcol, 
ms.m_pDerivedMesh->auto_bump_scale);
+       float auto_bump_scale = ms.m_pDerivedMesh!=0 ? 
ms.m_pDerivedMesh->auto_bump_scale : 1.0f;
+       GPU_material_bind_uniforms(gpumat, obmat, viewmat, viewinvmat, obcol, 
auto_bump_scale);
 
        mAlphaBlend = GPU_material_alpha_blend(gpumat, obcol);
 }

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