Markus Wick <[email protected]> writes: > eg ironlake. But I more think about new GPU where the driver just isn't > in such a good state. It would be nice to use glamor on very new gpus > without requiring a full features gl3.3 driver.
Sure, having support for some older version would be good. However, I'd like to avoid the combinatorial explosion of features here -- can we pick a couple of reasonable 'profiles' for drivers and then just write two versions of the necessary code? That way, it would be easier to test as well; just flip the switch at detection time and you'd be able to run the simpler code. I'd suggest just picking a particular OpenGL version for the older version, that way it's at least easy to explain what the requirements are. Of course, we'd also have to pick a GLES version if we want to support that too. Still, three paths would be easier to test than the current adventure where every function should have a long list of feature tests before doing anything. -- [email protected]
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