_mesa_cube_level_complete now verifies that a cube map texture object actually
has six texture images before proceeding.
---
src/mesa/main/texobj.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index d5aa620..0b200a1 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -878,6 +878,10 @@ _mesa_cube_level_complete(const struct gl_texture_object
*texObj,
if (texObj->Target != GL_TEXTURE_CUBE_MAP)
return GL_FALSE;
+ /* Make sure we have enough image planes for a cube map. */
+ if (texObj->NumLayers < 6)
+ return GL_FALSE;
+
if ((level < 0) || (level >= MAX_TEXTURE_LEVELS))
return GL_FALSE;
--
2.1.0
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