anv: implement TES distribution mode WA 22012785325

Set TEDMODE_RR_STRICT when TEEnable is set.

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21899>

diff --git a/src/intel/vulkan/gfx8_cmd_buffer.c b/src/intel/vulkan/gfx8_cmd_buffer.c
index baebfe8..7121d8c 100644 (file)
--- a/src/intel/vulkan/gfx8_cmd_buffer.c
+++ b/src/intel/vulkan/gfx8_cmd_buffer.c
@@ -232,7 +232,10 @@ genX(cmd_emit_te)(struct anv_cmd_buffer *cmd_buffer)
       te.MaximumTessellationFactorOdd = 63.0;
       te.MaximumTessellationFactorNotOdd = 64.0;
 #if GFX_VERx10 >= 125
-      te.TessellationDistributionMode = TEDMODE_RR_FREE;
+      if (intel_needs_workaround(cmd_buffer->device->info, 22012785325))
+         te.TessellationDistributionMode = TEDMODE_RR_STRICT;
+      else
+         te.TessellationDistributionMode = TEDMODE_RR_FREE;
       te.TessellationDistributionLevel = TEDLEVEL_PATCH;
       /* 64_TRIANGLES */
       te.SmallPatchThreshold = 3;