[Bf-blender-cvs] [356f13a] blender-v2.72-release: Fix T42049: Crash exiting /w GL1.1

[Campbell Barton]

Commit: 356f13a623c4124c063509c4ae5a35e96dbeca7f
Author: Campbell Barton
Date:   Thu Oct 2 16:21:26 2014 +0200
Branches: blender-v2.72-release
https://developer.blender.org/rB356f13a623c4124c063509c4ae5a35e96dbeca7f

Fix T42049: Crash exiting /w GL1.1

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

M       source/blender/gpu/intern/gpu_extensions.c

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

diff --git a/source/blender/gpu/intern/gpu_extensions.c 
b/source/blender/gpu/intern/gpu_extensions.c
index 17c495c..7fabb2f 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -728,9 +728,12 @@ void GPU_invalid_tex_bind(int mode)
 
 void GPU_invalid_tex_free(void)
 {
-       GPU_texture_free(GG.invalid_tex_1D);
-       GPU_texture_free(GG.invalid_tex_2D);
-       GPU_texture_free(GG.invalid_tex_3D);
+       if (GG.invalid_tex_1D)
+               GPU_texture_free(GG.invalid_tex_1D);
+       if (GG.invalid_tex_2D)
+               GPU_texture_free(GG.invalid_tex_2D);
+       if (GG.invalid_tex_3D)
+               GPU_texture_free(GG.invalid_tex_3D);
 }

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