[Bug 77412] PBO glDrawPixels fails with MSAA
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Aug 3 22:45:44 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=77412
--- Comment #4 from Kenneth Graunke <kenneth at whitecape.org> ---
Oh, great! I might have had my laptop on battery or something - it doesn't
clock up properly unless it's on AC. 3x sounds believable.
Although we normally allocate textures as tiled (since it's faster), there's no
hardware requirement that we do so - untiled textures work just fine. I don't
see why we couldn't use a PBO as a texture source. It'd probably just require
creating a gl_texture_object wrapper object.
We have a BindRenderbufferAsTexture driver hook that for turning a
gl_renderbuffer into a gl_texture_object...we might need a BindPBOAsTexture
hook or something.
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