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anv: Set patch count threshold in 3DSTATE_HS

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Lets specifiy maximum number of patches that will be accumulated before
a thread is dispatched.

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3563>
This commit is contained in:
Sagar Ghuge 2020-01-23 22:27:53 -08:00 • committed by Marge Bot
parent 1a5ac646ce
commit 60c789543e
1 changed files with 7 additions and 0 deletions
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7
src/intel/vulkan/genX_pipeline.c
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@ -1623,6 +1623,13 @@ emit_3dstate_hs_te_ds(struct anv_graphics_pipeline *pipeline,
hs.ScratchSpaceBasePointer =
get_scratch_address(&pipeline->base, MESA_SHADER_TESS_CTRL, tcs_bin);
#if GEN_GEN == 12
/* Patch Count threshold specifies the maximum number of patches that
* will be accumulated before a thread dispatch is forced.
*/
hs.PatchCountThreshold = tcs_prog_data->patch_count_threshold;
#endif
#if GEN_GEN >= 9
hs.DispatchMode = tcs_prog_data->base.dispatch_mode;
hs.IncludePrimitiveID = tcs_prog_data->include_primitive_id;