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intel/compiler: add primitive rate output support

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13739>
This commit is contained in:
Lionel Landwerlin
2020-11-10 18:08:31 +02:00
committed by Marge Bot
parent cebf284ac1
commit 0cd93c59ef
3 changed files with 19 additions and 7 deletions
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15
src/intel/compiler/brw_fs_visitor.cpp
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@@ -763,7 +763,7 @@ fs_visitor::emit_urb_writes(const fs_reg &gs_vertex_count)
const struct brw_vs_prog_key *vs_key =
(const struct brw_vs_prog_key *) this->key;
const GLbitfield64 psiz_mask =
VARYING_BIT_LAYER | VARYING_BIT_VIEWPORT | VARYING_BIT_PSIZ;
VARYING_BIT_LAYER | VARYING_BIT_VIEWPORT | VARYING_BIT_PSIZ | VARYING_BIT_PRIMITIVE_SHADING_RATE;
const struct brw_vue_map *vue_map = &vue_prog_data->vue_map;
bool flush;
fs_reg sources[8];
@@ -844,7 +844,18 @@ fs_visitor::emit_urb_writes(const fs_reg &gs_vertex_count)
fs_reg zero(VGRF, alloc.allocate(1), BRW_REGISTER_TYPE_UD);
bld.MOV(zero, brw_imm_ud(0u));
sources[length++] = zero;
if (vue_map->slots_valid & VARYING_BIT_PRIMITIVE_SHADING_RATE &&
this->outputs[VARYING_SLOT_PRIMITIVE_SHADING_RATE].file != BAD_FILE) {
sources[length++] = this->outputs[VARYING_SLOT_PRIMITIVE_SHADING_RATE];
} else if (devinfo->has_coarse_pixel_primitive_and_cb) {
uint32_t one_fp16 = 0x3C00;
fs_reg one_by_one_fp16(VGRF, alloc.allocate(1), BRW_REGISTER_TYPE_UD);
bld.MOV(one_by_one_fp16, brw_imm_ud((one_fp16 << 16) | one_fp16));
sources[length++] = one_by_one_fp16;
} else {
sources[length++] = zero;
}
if (vue_map->slots_valid & VARYING_BIT_LAYER)
sources[length++] = this->outputs[VARYING_SLOT_LAYER];
else