Display arbitrary size 2d image in opengl

Posted by Martin Beckett on Stack Overflow See other posts from Stack Overflow or by Martin Beckett
Published on 2008-11-25T17:23:53Z Indexed on 2010/04/02 6:43 UTC
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Filed under:

opengl

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textures

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images

I need to display 2d images in opengl using textures.
The image dimensions are not necessarily powers of 2.
I thought of creating a larger texture and restricting the display to the part I was using but the image data will be shared with openCV so I don't want to copy data a pixel at a time into a larger texture.

EDIT - it turns out that even the simplest Intel on board graphics under Windows supports none-power-of-2 textures.

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