opengl ES 2.0 FrameBuffer strange effect

by cybice » Fri, 22 Oct 2010 05:02:07 GMT

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 Can anybody explain:

I have an application which to make some effects uses opengl
Opengl version is GL ES 2.0 hardware is Nexus One

In my application one call to
draw some texture in FrameBuffer cause FPS decrease from 40 to 30
But 10 calls to 10 FrameBuffers, also cause FPS decrease from 40 to 30
It looks like that switching in opengl to start draw in FrameBuffer
takes the big amount of time,
or something wrong in my code :-)

Can anybody explain what really happens in opengl when i start draw in


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