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radeonsi: add shader buffer support to TGSI_OPCODE_ATOM*

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Nicolai Hähnle 2016-03-15 19:02:38 -05:00
parent c6f5d000db
commit 68bc25c931
1 changed files with 47 additions and 16 deletions
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63
src/gallium/drivers/radeonsi/si_shader.c
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@ -2776,6 +2776,24 @@ static void membar_emit(
emit_optimization_barrier(ctx);
}
static LLVMValueRef
shader_buffer_fetch_rsrc(struct si_shader_context *ctx,
const struct tgsi_full_src_register *reg)
{
LLVMValueRef ind_index;
LLVMValueRef rsrc_ptr;
if (!reg->Register.Indirect)
return ctx->shader_buffers[reg->Register.Index];
ind_index = get_bounded_indirect_index(ctx, &reg->Indirect,
reg->Register.Index,
SI_NUM_SHADER_BUFFERS);
rsrc_ptr = LLVMGetParam(ctx->radeon_bld.main_fn, SI_PARAM_SHADER_BUFFERS);
return build_indexed_load_const(ctx, rsrc_ptr, ind_index);
}
static bool tgsi_is_array_sampler(unsigned target)
{
return target == TGSI_TEXTURE_1D_ARRAY ||
@ -3123,18 +3141,12 @@ static void atomic_fetch_args(
struct gallivm_state *gallivm = bld_base->base.gallivm;
LLVMBuilderRef builder = gallivm->builder;
const struct tgsi_full_instruction * inst = emit_data->inst;
unsigned target = inst->Memory.Texture;
LLVMValueRef data1, data2;
LLVMValueRef coords;
LLVMValueRef rsrc;
LLVMValueRef tmp;
emit_data->dst_type = bld_base->base.elem_type;
image_fetch_rsrc(bld_base, &inst->Src[0], target != TGSI_TEXTURE_BUFFER,
&rsrc);
coords = image_fetch_coords(bld_base, inst, 1);
tmp = lp_build_emit_fetch(bld_base, inst, 2, 0);
data1 = LLVMBuildBitCast(builder, tmp, bld_base->uint_bld.elem_type, "");
@ -3150,15 +3162,34 @@ static void atomic_fetch_args(
emit_data->args[emit_data->arg_count++] = data2;
emit_data->args[emit_data->arg_count++] = data1;
if (target == TGSI_TEXTURE_BUFFER) {
rsrc = extract_rsrc_top_half(ctx, rsrc);
buffer_append_args(ctx, emit_data, rsrc, coords,
bld_base->uint_bld.zero, true);
} else {
emit_data->args[emit_data->arg_count++] = coords;
emit_data->args[emit_data->arg_count++] = rsrc;
if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) {
LLVMValueRef offset;
image_append_args(ctx, emit_data, target, true);
rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]);
tmp = lp_build_emit_fetch(bld_base, inst, 1, 0);
offset = LLVMBuildBitCast(builder, tmp, bld_base->uint_bld.elem_type, "");
buffer_append_args(ctx, emit_data, rsrc, bld_base->uint_bld.zero,
offset, true);
} else {
unsigned target = inst->Memory.Texture;
LLVMValueRef coords;
image_fetch_rsrc(bld_base, &inst->Src[0],
target != TGSI_TEXTURE_BUFFER, &rsrc);
coords = image_fetch_coords(bld_base, inst, 1);
if (target == TGSI_TEXTURE_BUFFER) {
rsrc = extract_rsrc_top_half(ctx, rsrc);
buffer_append_args(ctx, emit_data, rsrc, coords,
bld_base->uint_bld.zero, true);
} else {
emit_data->args[emit_data->arg_count++] = coords;
emit_data->args[emit_data->arg_count++] = rsrc;
image_append_args(ctx, emit_data, target, true);
}
}
}
@ -3170,11 +3201,11 @@ static void atomic_emit(
struct gallivm_state *gallivm = bld_base->base.gallivm;
LLVMBuilderRef builder = gallivm->builder;
const struct tgsi_full_instruction * inst = emit_data->inst;
unsigned target = inst->Memory.Texture;
char intrinsic_name[40];
LLVMValueRef tmp;
if (target == TGSI_TEXTURE_BUFFER) {
if (inst->Src[0].Register.File == TGSI_FILE_BUFFER ||
inst->Memory.Texture == TGSI_TEXTURE_BUFFER) {
snprintf(intrinsic_name, sizeof(intrinsic_name),
"llvm.amdgcn.buffer.atomic.%s", action->intr_name);
} else {