[Bug 26229] FEAR: waterplane rendering triggers SW fallback in mesa

http://bugs.winehq.org/show_bug.cgi?id=26229

--- Comment #6 from Henri Verbeet  2011-02-28 08:32:15 CST ---
(In reply to comment #5)
> So what does the Windows driver do to work around this blitter limit?

Native D3D doesn't need that blit at all. It's only needed due to not being
able to share the depth buffer between application FBs and the system FB in GL.
One way to avoid it in GL would be to do all rendering offscreen and only
blitting the result to the framebuffer, but I think this is something the
hardware should be able to do.