anv: Enable tessellation redistribution
This patch adds Tessellation Distribution on top of Geometry Distribution. Using recommended values based on performance studies across a range of workloads. Rework: - Add comment for new packet bits (Sagar) Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12091>
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@ -1929,6 +1929,16 @@ emit_3dstate_hs_te_ds(struct anv_graphics_pipeline *pipeline,
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te.TEEnable = true;
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te.MaximumTessellationFactorOdd = 63.0;
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te.MaximumTessellationFactorNotOdd = 64.0;
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#if GFX_VERx10 >= 125
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te.TessellationDistributionMode = TEDMODE_RR_FREE;
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te.TessellationDistributionLevel = TEDLEVEL_PATCH;
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/* 64_TRIANGLES */
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te.SmallPatchThreshold = 3;
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/* 1K_TRIANGLES */
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te.TargetBlockSize = 8;
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/* 1K_TRIANGLES */
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te.LocalBOPAccumulatorThreshold = 1;
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#endif
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}
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anv_batch_emit(&pipeline->base.batch, GENX(3DSTATE_DS), ds) {
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