Emmanuele Bassi wrote: > On Fri, 2009-02-27 at 11:49 +0100, Michal Kolodziejczyk wrote: > >>> it's probably a wrong implementation of mipmapping, if only the text is >>> wrong. >>> >>> you can disable text mipmapping by using: >>> >>> clutter_set_use_mipmapped_text (FALSE); >> I will try this.
I confirm: this resolved the issue. >> I have also problems with test-texture-quality (its get killed while >> switching to high quality), but as you said, it can be driver related. I >> will report back. > > ...this is the strongest indication that it's a bug in the mipmapping > implementation of the openchrome driver. I am attaching a gdb backtrace if it would help: (gdb) bt #0 0x00000000 in ?? () #1 0xb7612171 in _mesa_get_teximage () from /usr/lib/xorg/modules/dri/libdricore.so #2 0xb7605218 in _mesa_GetTexImage () from /usr/lib/xorg/modules/dri/libdricore.so #3 0xb7d02f33 in cogl_texture_get_data () from /usr/lib/libclutter-glx-0.8.so.0 #4 0xb7cf5e76 in clutter_texture_unrealize () from /usr/lib/libclutter-glx-0.8.so.0 I am not sure if its a driver or mesa opengl library. I would appreciate any clues. > writing a simple GL application that enables mipmapping should > definitely prove the theory, and allow you to open a bug against the > openchrome drivers. Well, the program compiled from source code available here: http://www.videotutorialsrock.com/opengl_tutorial/mipmapping/text.php works OK. Regards, miko -- To unsubscribe send a mail to [email protected]
