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MESA Demo (gears)

by

Giacomo Guidi   <giacomo@gandalf.sssup.it>

Last update 17/03/2003
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This is a simple test demo for the MESA (5.0)
libraries, the low level graphic drivers is
the SVGA (from the SVGAlib)

The cards actually supported are:

GEFORCE TNT TNT2 - driver name NV3
RAGE128 RADEON - driver name R128
SAVAGE VIRGE - driver neme SAVAGE

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The demo is composed by:

MAKEFILE     The makefile used to compile the application
README.TXT   This file
INITFILE.C   The init file
MESADEMO.C   The MESA Demo

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- To specify your card change the line

#define CARD <driver name>

- The demo calls the grx and off-screen Mesa functions. 
The resolution must be 16 bitsperpixel (64K colors) and 
the graphic access mode must be linear.

- There are two buffers

        The video buffer (video_buf)
        The virtual buffer (rgb_565_buf)

        copy_videomem_16to16 links these buffers