Denis Oliver Kropp escribió:
> 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.
>
>
Do you mean I can use mach64 driver instead of the savage's? Or that
same techniques used in mach64 drivers could be used in savage drivers?
> In case anyone is working on this driver, I might be able to find some
> docs...
>
>
I've never done any graphics driver development. However, if you send me
the docs, I will try to amend the driver.
--
Pablo.
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