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i965/blorp: Set the dynamic state upper bound.

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We know from previous bug fixes (commits
c25e5300cb and
b2ace06cbb) that texture border color
doesn't work if the dynamic state upper bound is set to 0.  Although
the blorp engine doesn't make use of texture borders, it seems like we
ought to err on the safe side and set this value properly.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Paul Berry 2012-05-22 16:16:43 -07:00
parent f77959b2c9
commit de9752a4e5
1 changed files with 6 additions and 1 deletions
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7
src/mesa/drivers/dri/i965/gen6_blorp.cpp
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@ -136,7 +136,12 @@ gen6_blorp_emit_state_base_address(struct brw_context *brw,
OUT_BATCH(1); /* InstructionBaseAddress */
}
OUT_BATCH(1); /* GeneralStateUpperBound */
OUT_BATCH(1); /* DynamicStateUpperBound */
/* Dynamic state upper bound. Although the documentation says that
* programming it to zero will cause it to be ignored, that is a lie.
* If this isn't programmed to a real bound, the sampler border color
* pointer is rejected, causing border color to mysteriously fail.
*/
OUT_BATCH(0xfffff001);
OUT_BATCH(1); /* IndirectObjectUpperBound*/
OUT_BATCH(1); /* InstructionAccessUpperBound */
ADVANCE_BATCH();