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wglAllocateMemoryNV returns zero: why?

Started by Nekhmet Jun 14, 2002 at 1:48 PM 2 replies 500+ views

Original Post

Jun 14, 2002 at 1:48 PM

Our 3D engine uses wglAllocateMemoryNV, and it works fine, with one exception. About 1 in 4 of my beta testers is reporting that wglAllocateMemory returns zero. I have no idea why this would be. Whenever I get a bug report like this, I ask the beta tester to run DxDiag and check for AGP support - and so far, most of the users _do_ report that AGP is enabled. Any clues? - Josh

zedzeek

164

zedzeek

Jun 14, 2002 at 5:14 PM

do they have enuf free memory
how do u allocate memory eg (0,0,0.75)

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Nekhmet

Author

Nekhmet

Jun 17, 2002 at 10:04 AM

The parameters I''m using are:

void *p = wglAllocateMemoryNV(16 * 1024 * 1024, 0.0, 0.0, 0.5).

jenova

Jun 17, 2002 at 12:29 PM

have you tried requesting less memory? 16MB seems like a lot to me....

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