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aco: don't use p_as_uniform for vgpr sampler/image indices

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p_as_uniform can get CSE'd, which can be incorrect and break some
dEQP-VK.descriptor_indexing.* tests.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
This commit is contained in:
Rhys Perry 2019-09-21 15:33:44 +01:00
parent 0c3fe323b6
commit f13ad839f1
1 changed files with 3 additions and 1 deletions
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4
src/amd/compiler/aco_instruction_selection.cpp
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@ -3439,7 +3439,9 @@ Temp get_sampler_desc(isel_context *ctx, nir_deref_instr *deref_instr,
if (const_value) {
constant_index += array_size * const_value->u32;
} else {
Temp indirect = bld.as_uniform(get_ssa_temp(ctx, deref_instr->arr.index.ssa));
Temp indirect = get_ssa_temp(ctx, deref_instr->arr.index.ssa);
if (indirect.type() == RegType::vgpr)
indirect = bld.vop1(aco_opcode::v_readfirstlane_b32, bld.def(s1), indirect);
if (array_size != 1)
indirect = bld.sop2(aco_opcode::s_mul_i32, bld.def(s1), Operand(array_size), indirect);