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Why the FPS is so low?

For Beginners

Started by nasi September 02, 2004 05:06 PM

2 comments, last by nasi 19 years, 7 months ago

nasi

146

Author

September 02, 2004 05:06 PM

my program with dx8 has a very low fps, only 50-60fps in windowed-mode and 40-50fps in fullscreen-mode, but i don't render anything... and the samples in DX SDK always has 150-200 fps in my computer... why i got the low fps? if u know, tell me why, thanks a low!! *^_^*

evolutional

1,397

September 02, 2004 05:09 PM

You're probably running to V-Sync, meaning DirectX will synchronise it's updates to the refresh rate of your monitor. Have a look at the D3DPRESENT_PARAMETERS structure and alter the swap interval.

jmutch

397

September 02, 2004 05:09 PM

Clicky

EDIT: evolutional is probably right

nasi

146

Author

September 02, 2004 05:32 PM

THANKS A LOT!!!

That's the reason why i got a low fps, i used V-Sync, when i change it just like what evolutional says and use D3DPRESENT_INTERVAL_IMMEDIATE like what jmutch says, i got 200fps :)

Thanks again~~