[Public WebGL] y-orientation for texImage2D from HTML elements

Mark Callow [email protected]
Fri Dec 7 00:51:20 PST 2012

On 2012/12/07 17:20, Florian Bösch wrote:
> The viewport rendered to an FBO's attached texture starts at 0,0
> bottom/left. OpenGL *does* specify things as bottom up.
Your point? I cannot see what this has to do with attempting to classify
applications; it is orthogonal to what I wrote.
> On Fri, Dec 7, 2012 at 4:09 AM, Mark Callow
> <[email protected] <mailto:[email protected]>> wrote:
>     You can't classify apps as bottom-left or top-left. (Correct) apps
>     will use whatever texture-coordinates and transforms are
>     appropriate for each texture. There is a high possibility of
>     multiple orientations being used.


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