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pan/bi: Support image loads on Valhall

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Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16410>
This commit is contained in:
Alyssa Rosenzweig 2022-03-30 15:52:22 -04:00 • committed by Marge Bot
parent e53f44a4b8
commit 20f92871d8
1 changed files with 18 additions and 6 deletions
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24
src/panfrost/bifrost/bifrost_compile.c
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@ -1176,15 +1176,27 @@ bi_emit_image_load(bi_builder *b, nir_intrinsic_instr *instr)
ASSERTED unsigned nr_dim = glsl_get_sampler_dim_coordinate_components(dim);
bi_index coords = bi_src_index(&instr->src[1]);
bi_index xy = bi_emit_image_coord(b, coords, 0, coord_comps, array);
bi_index zw = bi_emit_image_coord(b, coords, 1, coord_comps, array);
bi_index dest = bi_dest_index(&instr->dest);
enum bi_register_format regfmt = bi_reg_fmt_for_nir(nir_intrinsic_dest_type(instr));
enum bi_vecsize vecsize = instr->num_components - 1;
/* TODO: MSAA */
assert(nr_dim != GLSL_SAMPLER_DIM_MS && "MSAA'd images not supported");
bi_ld_attr_tex_to(b, bi_dest_index(&instr->dest),
bi_emit_image_coord(b, coords, 0, coord_comps, array),
bi_emit_image_coord(b, coords, 1, coord_comps, array),
bi_emit_image_index(b, instr),
bi_reg_fmt_for_nir(nir_intrinsic_dest_type(instr)),
instr->num_components - 1);
if (b->shader->arch >= 9 && nir_src_is_const(instr->src[0])) {
bi_instr *I = bi_ld_tex_imm_to(b, dest, xy, zw, regfmt, vecsize,
nir_src_as_uint(instr->src[0]));
I->table = PAN_TABLE_IMAGE;
} else if (b->shader->arch >= 9) {
unreachable("Indirect images on Valhall not yet supported");
} else {
bi_ld_attr_tex_to(b, dest, xy, zw,
bi_emit_image_index(b, instr), regfmt,
vecsize);
}
}
static bi_index