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-rw-r--r--include/GL/glext.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/GL/glext.h b/include/GL/glext.h
index ac7337af139..a62c0a0dade 100644
--- a/include/GL/glext.h
+++ b/include/GL/glext.h
@@ -2930,6 +2930,9 @@ extern void APIENTRY glTextureColorMaskSGIS (GLboolean, GLboolean, GLboolean, GL
typedef void (APIENTRY * PFNGLTEXTURECOLORMASKSGISPROC) (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
#endif
+#ifndef GL_MESA_texture_env_combine2
+#define GL_MESA_texture_env_combine2 1
+#endif
#ifdef __cplusplus
}