diff options
-rw-r--r-- | progs/demos/texenv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/progs/demos/texenv.c b/progs/demos/texenv.c index d64ae2ee264..590867b4945 100644 --- a/progs/demos/texenv.c +++ b/progs/demos/texenv.c @@ -354,7 +354,8 @@ static void loadTexture( int width, int height, break; case GL_INTENSITY: luminanceSize = 1; - textureFormat = GL_INTENSITY; + /* Note: format=GL_INTENSITY for glTexImage is not legal */ + textureFormat = GL_LUMINANCE; break; case GL_ALPHA: alphaSize = 1; |