Pablo León wrote: > Hi: > > I've been running the df_dok benchmark program in my VIA ProSavage PN133 > (8d01) based system, with and without the --system parameter. Here are > the comparative results: > > > Benchmarking with 256x256 in 16bit mode... (16bit) > > TEST VIDEO SYSTEM UNITS > Anti-aliased Text 30.789 140.166 KChars/sec > Anti-aliased Text (blend) 14.561 26.623 KChars/sec > Fill Rectangle 317.671 115.587 MPixel/sec > Fill Rectangle (blend) 2.553 10.711 MPixel/sec > Fill Rectangles [10] 317.621 117.764 MPixel/sec > Fill Rectangles [10] (blend) 2.589 10.733 MPixel/sec > Fill Triangles 162.808 104.857 MPixel/sec > Fill Triangles (blend) 2.537 10.122 MPixel/sec > Draw Rectangle 40.219 12.071 KRects/sec > Draw Rectangle (blend) 0.836 1.752 KRects/sec > Draw Lines [10] 145.951 39.640 KLines/sec > Draw Lines [10] (blend) 3.738 7.135 KLines/sec > Fill Spans 309.893 104.683 MPixel/sec > Fill Spans (blend) 2.563 10.526 MPixel/sec > Blit 161.259 99.036 MPixel/sec > Blit colorkeyed 89.716 74.376 MPixel/sec > Blit destination colorkeyed 3.598 101.288 MPixel/sec > Blit with format conversion 13.351 19.181 MPixel/sec > Blit with colorizing 9.413 12.192 MPixel/sec > Blit from 32bit (blend) 2.254 6.744 MPixel/sec > Blit from 32bit (blend) with colorizing 2.183 5.758 MPixel/sec > Stretch Blit 32.475 80.754 MPixel/sec > Stretch Blit colorkeyed 18.786 57.171 MPixel/sec > > > As you can see, while there is a performance boost in most non-blend > tests, results shows that blend ant text tests runs between 2 and 4 > times slower when using video memory instead of system memory! > > Is this a limitation of the graphics card? Or does the savage driver > need to be improved?
It can be improved. However, textures need to be power of two wide. But the Mach64 driver also handles that IIRC. In case anyone is working on this driver, I might be able to find some docs... -- Best regards, Denis Oliver Kropp .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" _______________________________________________ directfb-users mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
