Future extensions

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    Zoxc
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    I was wondering you plan to introduce future extensions to OpenGL ES 2.0 and which devices would support them. This is a list of extensions to work around limitations in the API I’ve stumbled upon, most of these are addressed in newer OpenGL versions.

    – Shared uniforms. The inablity to share uniforms is quite annoying and is addressed by Uniform Buffer Objects.

    – Integer attributes. This is to avoid converting to and from float point. I don’t know how expensive that is, but it should be simple to add and results in cleaner code.

    – Programmable blending. This could be implemented by allowing reading of gl_FragColor. It may not be useful in a lot of cases, but I think it would clean up the API if used instead of the existing blending functions. It may be augmented with functions to convert to and from sRGB. 

    – Texture arrays. Texture atlases have obvious problems which requires some effort and bandwidth to work around.

    – Texture streaming/mapping. A way to stream and/or upload texture without requiring to copy it first. Something like MapBuffer for textures and possibly something that wouldn’t require swizzling if supported by the hardware.

    Zoxc2011-04-26 13:01:15

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