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jay: Implement viewport index FS input

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41872>
This commit is contained in:
Kenneth Graunke 2026-05-28 13:38:10 -07:00 • committed by Marge Bot
parent b1b579293a
commit b9233e4a35
1 changed files with 9 additions and 0 deletions
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9
src/intel/compiler/jay/jay_from_nir.c
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@ -1562,6 +1562,15 @@ jay_emit_intrinsic(struct nir_to_jay_state *nj, nir_intrinsic_instr *intr)
break;
}
if (fs &&
nir_intrinsic_io_semantics(intr).location == VARYING_SLOT_VIEWPORT) {
jay_def x = jay_alloc_def(b, GPR, 1);
jay_EXTRACT_SUBSPAN_INFO(b, x, jay_extract(nj->payload.u0, 9),
payload_u1(nj, 9, 1), BITFIELD_RANGE(12, 4));
jay_SHR(b, JAY_TYPE_U32, dst, x, 12);
break;
}
FALLTHROUGH;
case nir_intrinsic_load_fs_input_interp_deltas: {
assert(s->stage == MESA_SHADER_FRAGMENT);