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ac/nir: generate correct instruction for atomic min/max on unsigned images 

v2: fix silly typo

Cc: "17.2 17.3" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Matthew Nicholls 2017-10-25 14:20:43 +01:00 committed by Bas Nieuwenhuizen
parent 20c77ae639
commit 27a0b24bf2
1 changed files with 4 additions and 2 deletions
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6
src/amd/common/ac_nir_to_llvm.c
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@ -3667,15 +3667,17 @@ static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx,
LLVMValueRef i1true = LLVMConstInt(ctx->ac.i1, 1, false);
MAYBE_UNUSED int length;
bool is_unsigned = glsl_get_sampler_result_type(type) == GLSL_TYPE_UINT;
switch (instr->intrinsic) {
case nir_intrinsic_image_atomic_add:
atomic_name = "add";
break;
case nir_intrinsic_image_atomic_min:
atomic_name = "smin";
atomic_name = is_unsigned ? "umin" : "smin";
break;
case nir_intrinsic_image_atomic_max:
atomic_name = "smax";
atomic_name = is_unsigned ? "umax" : "smax";
break;
case nir_intrinsic_image_atomic_and:
atomic_name = "and";