Optimizing OpenGL canvas with partial updates

[Dmitry Kazakov]

> About the artifacts, isn't that because we don't correctly
>> calculate the texture update bounds? Because i wouldn't see other cases
>> where that could be an issue.
>>
>
> The artefacts I'm talking about are with the GPU canvas. They happen
> because we're downscaling rects and then pasting them into the canvas
> image. That's something we need to take care about, because it's pretty
> much impossible to avoid when doing scaled-down canvas updates.


I guess you meant "CPU-canvas"  :)


-- 
Dmitry Kazakov
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