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intel_bufferobj_subdata is called to migrate data from sys_buffer, and
it expects only one of buffer or sys_buffer is non-NULL.
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Initialize all driver function hooks before calling _mesa_initialize_context(),
and handle all buffer objects in intel_buffer_object().
Fixes assertion failure when running glxinfo.
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This saves doing swtnl from uncached memory, which is painful. Improves
clutter test-text performance by 10% since it started using VBOs.
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This looks to be a win of a few percent in cairogears with new vbo code,
thanks to not polluting caches.
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This fixes a crash in glean's pbo test, which tripped over the assert when a
context was destroyed while a buffer was still mapped (Mesa doesn't call
UnmapBuffer in that case). Regression in
c6bde8873fbda6d8467600b7491d8543c75b0509
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This is a CPU win in general, but in particular reduces the pain of
Mesa's calculation of min/max indices in DrawElements (wtf?).
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Core mesa now unmaps the buffers if needed in these cases.
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Makefile.template
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This reverts commit 7c81124d7c4a4d1da9f48cbf7e82ab1a3a970a7a.
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This reverts commit 53675e5c05c0598b7ea206d5c27dbcae786a2c03.
Conflicts:
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
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Most of these were to ensure that caches got synchronized between 2d (or meta)
rendering and later use of the target as a source, such as for texture
miptree setup. Those are replaced with intel_batchbuffer_emit_mi_flush(),
which just drops an MI_FLUSH. Most of the remainder were to ensure that
REFERENCES_CLIPRECTS batchbuffers got flushed before the lock was dropped.
Those are now replaced by automatically flushing those when dropping the lock.
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Otherwise, we would assertion error when doing the final unreference of the
buffer with an outstanding map (catching the memory leak).
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This may allow better concurrency (noop in openarena performance now), but is
also important for the previous commit -- otherwise, we may end up with
BufferData, draw_prims, BufferData and the draw_prims would use the new VBO
data instead of old. This could still occur with user-supplied VBOs and poor
use of MapBuffer without BufferData.
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965 gains fixed TTM typing of the buffer object buffers and unused PBO
functions, and 915 gains buffer size == 0 fixes from 965.
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Putting the bufmgr in the screen is not thread-safe since the emit_reloc
changes. It also led to a significant performance hit from pthread usage
for the attempted thread-safety (up to 12% of a cpu spent on refcounting
protection in single-threaded 965). The motivation had been to allow
multi-context bufmgr sharing in classic mode, but it wasn't worth the cost.
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