I am using Core Animation to display some images.
Is there an easy way to find out the following information? 1.Query the properties GL_MAX_TEXTURE_SIZE and GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB from the current OpenGL context that Core Animation
must have acquired somewhere. Well, it would suffice if I could get CA's current OpenGL context.2. Find out the dimensions of an image on the disk, *before* actually loading it into memory.
The reason is that I occasionally get an error message saying "CoreAnimation: X by Y image is too large for GPU, ignoring". So I'd rather like my app to not load these images in the first place.If #1 is not easily achievable, then I guess I could hard-wire the size to 2048x2048 for the moment. It's just not elegant.
I understand there is also a CATiledLayer, but if I skip a few images it doesn't really hurt.
Best regards, Gabriel.
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