Comment 4 for bug 1423462
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| Daniel van Vugt (vanvugt) wrote Re: DemoRenderer: GL_BLEND is really always enabled even when not required | #4 |
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1b1ed1a
(Get the code!)
I'm not sure OpenGL has any support for uploading RGBX/XRGB pixel data (extensions?). It only seems to support RGBA/ARGB etc. So for that reason we might have to drop support (or warn and deprecate) for software surfaces with 32-bit RGBX/XRGB.
We do indeed need to populate the alpha channel by hand. And I suggest that's better done in the client than a hack in Mir. So you should probably switch to RGBA/ARGB etc now.