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ac/llvm: implement nir_intrinsic_image_deref_descriptor_amd

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Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17693>
This commit is contained in:
Marek Olšák 2022-07-20 07:55:11 -04:00 • committed by Marge Bot
parent 9a574d3802
commit 995beca09e
1 changed files with 32 additions and 0 deletions
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32
src/amd/llvm/ac_nir_to_llvm.c
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@ -2979,6 +2979,32 @@ static LLVMValueRef visit_image_size(struct ac_nir_context *ctx, const nir_intri
return exit_waterfall(ctx, &wctx, res);
}
static LLVMValueRef visit_image_descriptor(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr,
bool bindless)
{
enum glsl_sampler_dim dim;
if (bindless) {
dim = nir_intrinsic_image_dim(instr);
} else {
const struct glsl_type *type = get_image_deref(instr)->type;
dim = glsl_get_sampler_dim(type);
}
nir_deref_instr *deref_instr = NULL;
if (instr->src[0].ssa->parent_instr->type == nir_instr_type_deref)
deref_instr = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
LLVMValueRef dynamic_index = get_sampler_desc_index(ctx, deref_instr, &instr->instr, true);
if (dim == GLSL_SAMPLER_DIM_BUF) {
return get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_BUFFER, false);
} else {
return get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
}
}
static void emit_discard(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr)
{
LLVMValueRef cond;
@ -3906,6 +3932,12 @@ static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_image_deref_size:
result = visit_image_size(ctx, instr, false);
break;
case nir_intrinsic_image_deref_descriptor_amd:
result = visit_image_descriptor(ctx, instr, false);
break;
case nir_intrinsic_bindless_image_descriptor_amd:
result = visit_image_descriptor(ctx, instr, true);
break;
case nir_intrinsic_shader_clock:
result = ac_build_shader_clock(&ctx->ac, nir_intrinsic_memory_scope(instr));
break;