TurboGL - Now we're getting somewhere

[JC]

Good one Matrox, its finally becoming a benefit to run OpenGL games. I wasn't sure whether I was going to see any improvements from reading the tech doc but now Half Life runs as though its VSync'd instead of having noticable tearing.

The only thing they need to sort out now is why some overlayed poly's (such as explosion marks) are flickering and seem to have alternate scanlines missing. Anyone got any solutions for this?

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Primary System: P3@558 Vantec 5040 cooler, 128MB PC125 Ram, G400Max, HOT 661 MoBo, AWE64 Gold, 2940AU Scsi with 32x Reader and 4x4x16 Writer, Jaz and Zip, Card Cooler.

3DMark99 800x600 = 5765
Quake 2 Timedemo1 = 103.9 fps

Seconday System: Celeron 400, Gigabyte BXC MoBo, 64MB PC100, SLI Voodoo 2, Millenium 2, SB16 (eek), NEC 4x4 CD ROM.

3DMARK99 800x600 = 3217

[Kruzin]

Decals (blast marks, blood, etc.) are controlled in HL with the gl_polyoffset variable.

Go to the console, and type gl_polyoffset to see what your current value is. Adjust it up/down in .1 incrinments ("gl_polyoffset "2.1"" for example) until it looks right to you.

[muffynnt]

Mine did the same thing till I changed my Z-buffer to 32 bit. Then all's good.

[billko]

To add to Kruzin's comment:

Then edit the autoexec.cfg to change/add the variable. Make sure there is no corresponding variable in config.cfg, because that will override the autoexec.cfg.

Bill

[JC]

Many thanks guyz...