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pan/bi: Implement load attribute with the builder

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8135>
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Alyssa Rosenzweig 2020-12-21 17:35:28 -05:00 • committed by Marge Bot
parent 0ae835499d
commit 482cc273af
1 changed files with 31 additions and 0 deletions
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31
src/panfrost/bifrost/bifrost_compile.c
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@ -228,6 +228,37 @@ bi_is_intr_immediate(nir_intrinsic_instr *instr, unsigned *immediate)
return (*immediate) < 20;
}
static void
bi_emit_load_attr(bi_builder *b, nir_intrinsic_instr *instr)
{
nir_alu_type T = nir_intrinsic_dest_type(instr);
enum bi_register_format regfmt = bi_reg_fmt_for_nir(T);
nir_src *offset = nir_get_io_offset_src(instr);
unsigned imm_index = 0;
unsigned base = nir_intrinsic_base(instr);
bool constant = nir_src_is_const(*offset);
bool immediate = bi_is_intr_immediate(instr, &imm_index);
if (immediate) {
bi_ld_attr_imm_to(b, bi_dest_index(&instr->dest),
bi_register(61), /* TODO RA */
bi_register(62), /* TODO RA */
regfmt, instr->num_components - 1, imm_index);
} else {
bi_index idx = bi_src_index(&instr->src[0]);
if (constant)
idx = bi_imm_u32(imm_index);
else if (base != 0)
idx = bi_iadd_u32(b, idx, bi_imm_u32(base), false);
bi_ld_attr_to(b, bi_dest_index(&instr->dest),
bi_register(61), /* TODO RA */
bi_register(62), /* TODO RA */
idx, regfmt, instr->num_components - 1);
}
}
static void
bi_emit_load_vary(bi_builder *b, nir_intrinsic_instr *instr)
{