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Why Mouse cursor is so dangerous for performance?


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#1
Slice

Slice

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It there anybody can explain me why the presence of mouse cursor in OpenGL windows break speed.
For example in XBench or in GioFX OpenMark.
When I try full featured hardware OpenGL the presence of cursor makes me delays up to seconds for each refresh.
What is the influence?

#2
dmdimoff

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because quartz composer have to render in-frame scene first than make texture from it than compose new scene with cursor dropping shadow on textured plane ) than show it to you
otherwise (without cursor) it probably run pure HW render in window
I think so at least
try to profile it





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