Commit: 712098b1c8faa0aa39ce313ee55c513b6c8547c2
Author: Antony Riakiotakis
Date:   Fri Jul 17 19:12:04 2015 +0200
Branches: master
https://developer.blender.org/rB712098b1c8faa0aa39ce313ee55c513b6c8547c2

Fix GLSL code not working correctly for Macs without VBO, again report
by scorpion81 on irc

===================================================================

M       source/blender/blenkernel/intern/cdderivedmesh.c

===================================================================

diff --git a/source/blender/blenkernel/intern/cdderivedmesh.c 
b/source/blender/blenkernel/intern/cdderivedmesh.c
index 9c25771..9c3102a 100644
--- a/source/blender/blenkernel/intern/cdderivedmesh.c
+++ b/source/blender/blenkernel/intern/cdderivedmesh.c
@@ -872,7 +872,8 @@ static void cdDM_drawMappedFacesGLSL(
        glShadeModel(GL_SMOOTH);
 
        /* workaround for NVIDIA GPUs on Mac not supporting vertex arrays + 
interleaved formats, see T43342 */
-       if ((GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_MAC, GPU_DRIVER_ANY) && 
(U.gameflags & USER_DISABLE_VBO)) ||
+       //GPU_type_matches(GPU_DEVICE_NVIDIA, GPU_OS_MAC, GPU_DRIVER_ANY) &&
+       if (((U.gameflags & USER_DISABLE_VBO)) ||
            setDrawOptions != NULL)
        {
                DMVertexAttribs attribs;
@@ -892,7 +893,8 @@ static void cdDM_drawMappedFacesGLSL(
                        if (new_matnr != matnr) {
                                glEnd();
 
-                               do_draw = setMaterial(matnr = new_matnr, 
&gattribs);
+                               matnr = new_matnr;
+                               do_draw = setMaterial(matnr + 1, &gattribs);
                                if (do_draw)
                                        DM_vertex_attributes_from_gpu(dm, 
&gattribs, &attribs);

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