Blitzmax rendering overview

Miscellaneous Forums/General Discussion/Blitzmax rendering overview

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2 Executables for the same game made in Blitxmax and benched with fraps:

DirectX with single grabpixmap to defeat lag
2006-04-02 00:30:21 - mainDX.exe
Avg: 49.567

OpenGL
2006-04-02 00:36:20 - mainOGL.exe
Avg: 125.933

Why is opengl so many times faster than DX? I have an ati card which even favours dx. The same story was reported on all my testers hardware: dx is much slower and in part this must be the 0,0,1,1 tiny grabpixmap.

With my slow pc, the 400mhz p2, I am seeing it go from being playable to entirely unplayable. I am posting in general in the hope of reaching a wider number of people who may have something to say about this. Please discuss...