I was playing with winex, after paying for some games and a TransGaming subscription. In the cfg there are options to enable/disable the use of some OpenGL extensions, one being ARB_VBO. I saw that when using frglx there were some of these advertised by glxinfo, but not with SW/Mesa or R200/DRI.
First I was wondering what it would take, as far as bribes, to get at least as far as the frglx drivers have with supporting this extension.
Since I have to pay for winex... I also saw on this list that some R200 DMA memory layouts matched thoes used by DirectX and that to match the OpenGL ordering there was some swaping going on. I know the overhead is minimal, especialy with 32bit CPUs. However it would be a nice laught if OpenGL had some extentions for the CARDs idea of how things should be ordered. The idea being that any DirectX implementation for X(like winex) would not need to swap the bytes into OpenGLs prefered order when the CARD expects the data tobe in DirectX's order.
It seems you are using outdated drivers. The current DRI drivers support
about as much extensions as the nonfree ATI drivers.
GL_ARB_vertex_buffer_object is in both software Mesa and the r200
driver.
Recently a software emulation of GL_ARB_vertex_program has been added to the r200 driver, which has been in software Mesa for some time.
The only important missing extension I'm aware of that is supported by
the hardware is GL_ARB_texture_env_crossbar.
You can add the patch for GL_S3_s3tc if you're living in a
software-patent free area like Venezuela, Europe or Cuba.
Philipp
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