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amd/llvm: handle nir_intrinsic_image_deref_{load,store} with lod

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Use image_load_mip and image_store_mip respectively if the lod
parameter isn't zero.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2020-01-06 08:43:57 +01:00
parent 1b808d208f
commit e77ff89914
1 changed files with 10 additions and 2 deletions
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src/amd/llvm/ac_nir_to_llvm.c
+10 -2
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@@ -2583,10 +2583,14 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
res = ac_trim_vector(&ctx->ac, res, instr->dest.ssa.num_components);
res = ac_to_integer(&ctx->ac, res);
} else {
args.opcode = ac_image_load;
bool level_zero = nir_src_is_const(instr->src[3]) && nir_src_as_uint(instr->src[3]) == 0;
args.opcode = level_zero ? ac_image_load : ac_image_load_mip;
args.resource = get_image_descriptor(ctx, instr, AC_DESC_IMAGE, false);
get_image_coords(ctx, instr, &args, dim, is_array);
args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
if (!level_zero)
args.lod = get_src(ctx, instr->src[3]);
args.dmask = 15;
args.attributes = AC_FUNC_ATTR_READONLY;
@@ -2639,11 +2643,15 @@ static void visit_image_store(struct ac_nir_context *ctx,
ctx->ac.i32_0, src_channels,
args.cache_policy);
} else {
args.opcode = ac_image_store;
bool level_zero = nir_src_is_const(instr->src[4]) && nir_src_as_uint(instr->src[4]) == 0;
args.opcode = level_zero ? ac_image_store : ac_image_store_mip;
args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
args.resource = get_image_descriptor(ctx, instr, AC_DESC_IMAGE, true);
get_image_coords(ctx, instr, &args, dim, is_array);
args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
if (!level_zero)
args.lod = get_src(ctx, instr->src[4]);
args.dmask = 15;
ac_build_image_opcode(&ctx->ac, &args);