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Use _mesa_reference_framebuffer() and _mesa_unreference_framebuffer() functions
to be sure reference counting is done correctly. Additional assertions are
done too. Note _mesa_dereference_framebuffer() renamed to "unreference" as
that's more accurate.
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call _mesa_dereference_framebuffer instead of _mesa_dereference_framebuffer
in i810, i915, i915tex, i965 drivers.
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This fixes mis-rendering if back/depth fail to get set up as tiled. While it
probably won't ever be the case now that the pitch limits are loosened, this is
still the right thing to do.
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passing them to the kernel. This works because all drawing commands
in the 965 driver are emitted with the lock held and the batchbuffer
is always flushed prior to releasing the lock. This allows multiple
cliprects to be dealt with, without replaying entire batchbuffers and
redundantly re-emitting state.
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is no need to add front.offset to sPriv->pFB, it seems. Fixes several
glean issues and frontbuffer rendering generally.
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This driver comes from Tungsten Graphics, with a few further modifications by
Intel.
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