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authorSagar Ghuge <[email protected]>2020-01-23 22:39:35 -0800
committerMarge Bot <[email protected]>2020-03-23 17:57:57 +0000
commitc40acdef52b1da97c90f5cef046ae881511f7d25 (patch)
tree4067e37951f2229b08fea48495ce79287556dfca /src
parent60c789543e3738f3a39897758d7507da8c044d78 (diff)
iris: Set patch count threshold in 3DSTATE_HS
Lets specifiy maximum number of patches that will be accumulated before a thread is dispatched. Signed-off-by: Sagar Ghuge <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3563> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3563>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/iris/iris_state.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 823afff6da3..479ad087d77 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -4183,6 +4183,13 @@ iris_store_tcs_state(struct iris_context *ice,
hs.MaximumNumberofThreads = devinfo->max_tcs_threads - 1;
hs.IncludeVertexHandles = true;
+#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 = vue_prog_data->dispatch_mode;
hs.IncludePrimitiveID = tcs_prog_data->include_primitive_id;