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anv: Account for dynamic stencil write disables in the PMA fix

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In 6ce8592836 we started looking at the dynamic stencil state and
disabling stencil writes when the stencil mask is zero.  Unfortunately,
we never updated the PMA fix code accordingly so 3DSTATE_WM_DEPTH_STENCIL
and the PMA fix were getting out-of-sync causing hangs.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109203
Fixes: 6ce8592836 "anv: Disable stencil writes when both write..."
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
(cherry picked from commit 6a441151c2)
This commit is contained in:
Jason Ekstrand 2019-07-15 17:14:26 -05:00 • committed by Juan A. Suarez Romero
parent 43682f0c6f
commit 3a27a5b989
1 changed files with 2 additions and 0 deletions
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2
src/intel/vulkan/gen8_cmd_buffer.c
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@ -355,6 +355,8 @@ want_stencil_pma_fix(struct anv_cmd_buffer *cmd_buffer)
*/
const bool stc_write_en =
(ds_iview->image->aspects & VK_IMAGE_ASPECT_STENCIL_BIT) &&
(cmd_buffer->state.gfx.dynamic.stencil_write_mask.front ||
cmd_buffer->state.gfx.dynamic.stencil_write_mask.back) &&
pipeline->writes_stencil;
/* STC_TEST_EN && 3DSTATE_PS_EXTRA::PixelShaderComputesStencil */