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aco: don't re-create vectors for load_barycentric_* intrinsics

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15414>
This commit is contained in:
Daniel Schürmann 2022-03-16 15:49:05 +01:00 • committed by Marge Bot
parent 0607c27fd1
commit 499dc20e6a
1 changed files with 4 additions and 9 deletions
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13
src/amd/compiler/aco_instruction_selection.cpp
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@ -7943,22 +7943,17 @@ visit_intrinsic(isel_context* ctx, nir_intrinsic_instr* instr)
case nir_intrinsic_load_barycentric_centroid: {
glsl_interp_mode mode = (glsl_interp_mode)nir_intrinsic_interp_mode(instr);
Temp bary = get_interp_param(ctx, instr->intrinsic, mode);
assert(bary.size() == 2);
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
Temp p1 = emit_extract_vector(ctx, bary, 0, v1);
Temp p2 = emit_extract_vector(ctx, bary, 1, v1);
bld.pseudo(aco_opcode::p_create_vector, Definition(dst), Operand(p1), Operand(p2));
bld.copy(Definition(dst), bary);
emit_split_vector(ctx, dst, 2);
break;
}
case nir_intrinsic_load_barycentric_model: {
Temp model = get_arg(ctx, ctx->args->ac.pull_model);
assert(model.size() == 3);
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
Temp p1 = emit_extract_vector(ctx, model, 0, v1);
Temp p2 = emit_extract_vector(ctx, model, 1, v1);
Temp p3 = emit_extract_vector(ctx, model, 2, v1);
bld.pseudo(aco_opcode::p_create_vector, Definition(dst), Operand(p1), Operand(p2),
Operand(p3));
bld.copy(Definition(dst), model);
emit_split_vector(ctx, dst, 3);
break;
}