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Code Issues 9 Packages Projects Releases Wiki Activity

agx: Implement ld_vary 

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
This commit is contained in:
Alyssa Rosenzweig 2021-04-11 23:45:35 -04:00 committed by Alyssa Rosenzweig
parent e54fdc0fac
commit 8648b2be0b
1 changed files with 23 additions and 1 deletions
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24
src/asahi/compiler/agx_compile.c
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@ -71,7 +71,29 @@ agx_emit_load_attr(agx_builder *b, nir_intrinsic_instr *instr)
static void
agx_emit_load_vary(agx_builder *b, nir_intrinsic_instr *instr)
{
unreachable("stub");
unsigned components = instr->num_components;
bool smooth = instr->intrinsic == nir_intrinsic_load_interpolated_input;
assert(components >= 1 && components <= 4);
if (smooth) {
nir_intrinsic_instr *parent = nir_src_as_intrinsic(instr->src[0]);
assert(parent);
/* TODO: Interpolation modes */
assert(parent->intrinsic ==
nir_intrinsic_load_barycentric_pixel);
} else {
/* TODO: flat varyings */
}
nir_src *offset = nir_get_io_offset_src(instr);
assert(nir_src_is_const(*offset) && "no indirects");
unsigned imm_index = (4 * nir_intrinsic_base(instr)) + nir_src_as_uint(*offset);
imm_index += 1;
agx_ld_vary_to(b, agx_dest_index(&instr->dest),
agx_immediate(imm_index), components);
}
static void