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docs: Add INTEL_DEBUG_BKP_BEFORE/AFTER_DRAW_COUNT

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Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24308>
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Sagar Ghuge 2023-07-24 11:41:33 -07:00 • committed by Marge Bot
parent f575d4bc6f
commit 12be0829ea
1 changed files with 6 additions and 0 deletions
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6
docs/envvars.rst
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@ -516,6 +516,12 @@ Intel driver environment variables
``do32``
generate compute shader SIMD32 programs even if workgroup size
doesn't exceed the SIMD16 limit
``draw_bkp``
Add semaphore wait before/after draw call count.
``INTEL_DEBUG_BKP_BEFORE_DRAW_COUNT`` or
``INTEL_DEBUG_BKP_AFTER_DRAW_COUNT`` can control draw call number.
To make test wait forever, we need to set preempt_timeout_ms and
i915.enable_hangcheck to zero.
``fall``
emit messages about performance issues (same as ``perf``)
``fs``