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glGetInteger cost?



Hey all, look, I'm back for my annual post to the OpenGL list.

I'm sure I know the answer, but I haven't been doing deep OpenGL coding for so long I'm doubting myself. Does...

	GLint viewport[4];
	glGetIntegerv( GL_VIEWPORT, viewport );

... cause the CPU to wait for the gl command buffer to clear?

Thanks OpenGL smart folks!
Dan

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