Full GL config attributes
idr at us.ibm.com
Mon Jun 13 07:42:37 PDT 2005
Jon Smirl wrote:
> Xegl sits on top of mesa/EGL. Xegl needs to export a full OpenGL API.
> How can I do this if the EGL API is blocking things like AUX and
> ACCUM? Don't we need to expose the full OGL config set?
Each window-system layer includes requirements about what configs must
be exported. For example, GLX requires that at least one config with at
least a 14-bit depth-buffer be exposed. Since OpenGL ES doesn't support
accum, it sounds like that requirement for EGL is that no configs with
non-zero accum bits be exported. It is very easy for the libGL layer to
filter these out if needed.
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