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intel/elk: Reduce this->pixel_x/y usage in gfx4 interp setup.

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25190>
This commit is contained in:
Emma Anholt 2023-09-26 10:52:58 -07:00 • committed by Marge Bot
parent 241bc5da70
commit e1bf014b6e
1 changed files with 12 additions and 10 deletions
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22
src/intel/compiler/elk/elk_fs_visitor.cpp
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@ -98,14 +98,16 @@ elk_fs_visitor::emit_interpolation_setup_gfx4()
struct elk_reg g1_uw = retype(elk_vec1_grf(1, 0), ELK_REGISTER_TYPE_UW);
fs_builder abld = fs_builder(this).at_end().annotate("compute pixel centers");
this->pixel_x = vgrf(glsl_uint_type());
this->pixel_y = vgrf(glsl_uint_type());
this->pixel_x.type = ELK_REGISTER_TYPE_UW;
this->pixel_y.type = ELK_REGISTER_TYPE_UW;
abld.ADD(this->pixel_x,
this->uw_pixel_x = vgrf(glsl_uint_type());
this->uw_pixel_y = vgrf(glsl_uint_type());
this->uw_pixel_x.type = ELK_REGISTER_TYPE_UW;
this->uw_pixel_y.type = ELK_REGISTER_TYPE_UW;
this->pixel_x = this->uw_pixel_x;
this->pixel_y = this->uw_pixel_y;
abld.ADD(this->uw_pixel_x,
elk_fs_reg(stride(suboffset(g1_uw, 4), 2, 4, 0)),
elk_fs_reg(elk_imm_v(0x10101010)));
abld.ADD(this->pixel_y,
abld.ADD(this->uw_pixel_y,
elk_fs_reg(stride(suboffset(g1_uw, 5), 2, 4, 0)),
elk_fs_reg(elk_imm_v(0x11001100)));
@ -121,13 +123,13 @@ elk_fs_visitor::emit_interpolation_setup_gfx4()
if (devinfo->has_pln) {
for (unsigned i = 0; i < dispatch_width / 8; i++) {
abld.quarter(i).ADD(quarter(offset(delta_xy, abld, 0), i),
quarter(this->pixel_x, i), xstart);
quarter(this->uw_pixel_x, i), xstart);
abld.quarter(i).ADD(quarter(offset(delta_xy, abld, 1), i),
quarter(this->pixel_y, i), ystart);
quarter(this->uw_pixel_y, i), ystart);
}
} else {
abld.ADD(offset(delta_xy, abld, 0), this->pixel_x, xstart);
abld.ADD(offset(delta_xy, abld, 1), this->pixel_y, ystart);
abld.ADD(offset(delta_xy, abld, 0), this->uw_pixel_x, xstart);
abld.ADD(offset(delta_xy, abld, 1), this->uw_pixel_y, ystart);
}
this->pixel_z = fetch_payload_reg(bld, fs_payload().source_depth_reg);