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docs/anv: Document ANV_SPARSE and ANV_SPARSE_USE_TRTT

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Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30593>
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José Roberto de Souza 2024-08-09 07:38:18 -07:00 • committed by Marge Bot
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commit 2e4179b4a7
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docs/envvars.rst
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@ -896,6 +896,19 @@ Anvil(ANV) driver environment variables
If set to 1, true, or yes, then VK_EXT_graphics_pipeline_library
will be disabled.
.. envvar:: ANV_SPARSE
By default, the sparse resources feature is enabled. However, if set to 0,
false, or no, it will be disabled.
Platforms older than Tiger Lake do not support this feature.
.. envvar:: ANV_SPARSE_USE_TRTT
On platforms supported by Xe KMD (Lunar Lake and newer) this parameter
changes the implementation of sparse resources feature.
For i915 there is no option, sparse resources is always implemented with
TRTT.
DRI environment variables
-------------------------