Neil Roberts 7a372bc001 cogl: Cache the value for GL_MAX_TEXTURE_UNITS
The function _cogl_get_max_texture_units is called quite often while
rendering and it returns a constant value so we might as well cache
the result. Calling glGetInteger on Mesa can be expensive because it
flushes a lot of state.
2010-02-12 14:38:53 +00:00
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