From: Brian P. <br...@va...> - 2001-02-06 16:32:06
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Gareth Hughes wrote: > > Brian Paul wrote: > > > > The driver has changed since then and uses lazy texture download > > like the other DRI drivers. The texdown program should probably > > draw a tiny primitive after _every_ glTexImage call in order to > > force the image all the way to the hardware. > > Note to self: read the demo source *very carefully* next time... > > run MGA tdfx old tdfx new > > 1 48 mb/s 47 mb/s 57 mb/s > 2 53 mb/s 55 mb/s 70 mb/s > 3 50 mb/s 60 mb/s 76 mb/s > 4 4 mb/s 76 mb/s 83 mb/s > > I hacked the old driver to make better choices about the texture format, > hence the slightly improved scores. The difference between tdfx-old and tdfx-new is MMX? Sorry about the confusion with texdown. clearspd is another demo which you have to use carefully. -Brian |