By nobu
on Wed, 06/20/2012 - 17:11
I am trying to include "gluProject" in "Vuforia app".
However, viewport value as expected is unacquirable on iPhone.
The code which I used is as follows.
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GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
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I expected that "viewport= {0,0,480,320}" was acquirable.
However, the value which I have acquired was "viewport= {0, -20,480,360}."
In iPad2, it operated correctly.
"viewport= {0, 0, 1024, 768}" has been acquired on iPad2.
Why is "viewport= {0, -20,480,360}" acquired on iPhone?
(On "retina display", it becomes "viewport= {0, -40,960,720}".)
Since machine translation is used, there may be a mistake in English, but please forgive.
Re: glGetIntegerv(GL_VIEWPORT, viewport) is odd on iPhone