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anv: Implement Wa_14015297576

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Disable tessellation distribution when primitive id is enabled.

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21982>
This commit is contained in:
Sagar Ghuge
2023-03-16 16:03:41 +02:00
committed by Marge Bot
parent 7f04fa7364
commit 86d931724d
1 changed files with 28 additions and 0 deletions
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28
src/intel/vulkan/gfx8_cmd_buffer.c
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@@ -211,6 +211,24 @@ want_stencil_pma_fix(struct anv_cmd_buffer *cmd_buffer,
wm_prog_data->computed_depth_mode != PSCDEPTH_OFF;
}
static UNUSED bool
geom_or_tess_prim_id_used(struct anv_graphics_pipeline *pipeline)
{
const struct brw_tcs_prog_data *tcs_prog_data =
anv_pipeline_has_stage(pipeline, MESA_SHADER_TESS_EVAL) ?
get_tcs_prog_data(pipeline) : NULL;
const struct brw_tes_prog_data *tes_prog_data =
anv_pipeline_has_stage(pipeline, MESA_SHADER_TESS_EVAL) ?
get_tes_prog_data(pipeline) : NULL;
const struct brw_gs_prog_data *gs_prog_data =
anv_pipeline_has_stage(pipeline, MESA_SHADER_GEOMETRY) ?
get_gs_prog_data(pipeline) : NULL;
return (tcs_prog_data && tcs_prog_data->include_primitive_id) ||
(tes_prog_data && tes_prog_data->include_primitive_id) ||
(gs_prog_data && gs_prog_data->include_primitive_id);
}
static void
genX(cmd_emit_te)(struct anv_cmd_buffer *cmd_buffer)
{
@@ -236,6 +254,16 @@ genX(cmd_emit_te)(struct anv_cmd_buffer *cmd_buffer)
te.TessellationDistributionMode = TEDMODE_RR_STRICT;
else
te.TessellationDistributionMode = TEDMODE_RR_FREE;
if (intel_needs_workaround(cmd_buffer->device->info, 14015297576)) {
/* Wa_14015297576:
*
* Disable Tessellation Distribution when primitive Id is enabled.
*/
if (geom_or_tess_prim_id_used(pipeline))
te.TessellationDistributionMode = TEDMODE_OFF;
}
te.TessellationDistributionLevel = TEDLEVEL_PATCH;
/* 64_TRIANGLES */
te.SmallPatchThreshold = 3;