From: Lionel Landwerlin Date: Tue, 6 Sep 2016 13:26:17 +0000 (+0100) Subject: spirv/nir: Add support for OpAtomicLoad/Store X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2afb950161f847d9b0a7be03dfb62cacc5ea51ba;p=mesa.git spirv/nir: Add support for OpAtomicLoad/Store Fixes new CTS tests : dEQP-VK.spirv_assembly.instruction.compute.opatomic.load dEQP-VK.spirv_assembly.instruction.compute.opatomic.store v2: don't handle images like ssbo/ubo (Jason) Signed-off-by: Lionel Landwerlin Reviewed-by: Jason Ekstrand --- diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c index e91a7b2f0f2..4d88fdbb1fa 100644 --- a/src/compiler/spirv/spirv_to_nir.c +++ b/src/compiler/spirv/spirv_to_nir.c @@ -1681,6 +1681,18 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode, image = *vtn_value(b, w[3], vtn_value_type_image_pointer)->image; break; + case SpvOpAtomicLoad: { + image.image = + vtn_value(b, w[3], vtn_value_type_access_chain)->access_chain; + break; + } + + case SpvOpAtomicStore: { + image.image = + vtn_value(b, w[1], vtn_value_type_access_chain)->access_chain; + break; + } + case SpvOpImageQuerySize: image.image = vtn_value(b, w[3], vtn_value_type_access_chain)->access_chain; @@ -1726,6 +1738,8 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode, OP(ImageQuerySize, size) OP(ImageRead, load) OP(ImageWrite, store) + OP(AtomicLoad, load) + OP(AtomicStore, store) OP(AtomicExchange, atomic_exchange) OP(AtomicCompareExchange, atomic_comp_swap) OP(AtomicIIncrement, atomic_add) @@ -1764,9 +1778,13 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode, } switch (opcode) { + case SpvOpAtomicLoad: case SpvOpImageQuerySize: case SpvOpImageRead: break; + case SpvOpAtomicStore: + intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def); + break; case SpvOpImageWrite: intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[3])->def); break; @@ -1812,6 +1830,8 @@ static nir_intrinsic_op get_ssbo_nir_atomic_op(SpvOp opcode) { switch (opcode) { + case SpvOpAtomicLoad: return nir_intrinsic_load_ssbo; + case SpvOpAtomicStore: return nir_intrinsic_store_ssbo; #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N; OP(AtomicExchange, atomic_exchange) OP(AtomicCompareExchange, atomic_comp_swap) @@ -1836,6 +1856,8 @@ static nir_intrinsic_op get_shared_nir_atomic_op(SpvOp opcode) { switch (opcode) { + case SpvOpAtomicLoad: return nir_intrinsic_load_var; + case SpvOpAtomicStore: return nir_intrinsic_store_var; #define OP(S, N) case SpvOp##S: return nir_intrinsic_var_##N; OP(AtomicExchange, atomic_exchange) OP(AtomicCompareExchange, atomic_comp_swap) @@ -1860,10 +1882,38 @@ static void vtn_handle_ssbo_or_shared_atomic(struct vtn_builder *b, SpvOp opcode, const uint32_t *w, unsigned count) { - struct vtn_access_chain *chain = - vtn_value(b, w[3], vtn_value_type_access_chain)->access_chain; + struct vtn_access_chain *chain; nir_intrinsic_instr *atomic; + switch (opcode) { + case SpvOpAtomicLoad: + case SpvOpAtomicExchange: + case SpvOpAtomicCompareExchange: + case SpvOpAtomicCompareExchangeWeak: + case SpvOpAtomicIIncrement: + case SpvOpAtomicIDecrement: + case SpvOpAtomicIAdd: + case SpvOpAtomicISub: + case SpvOpAtomicSMin: + case SpvOpAtomicUMin: + case SpvOpAtomicSMax: + case SpvOpAtomicUMax: + case SpvOpAtomicAnd: + case SpvOpAtomicOr: + case SpvOpAtomicXor: + chain = + vtn_value(b, w[3], vtn_value_type_access_chain)->access_chain; + break; + + case SpvOpAtomicStore: + chain = + vtn_value(b, w[1], vtn_value_type_access_chain)->access_chain; + break; + + default: + unreachable("Invalid SPIR-V atomic"); + } + /* SpvScope scope = w[4]; SpvMemorySemanticsMask semantics = w[5]; @@ -1884,18 +1934,58 @@ vtn_handle_ssbo_or_shared_atomic(struct vtn_builder *b, SpvOp opcode, nir_intrinsic_op op = get_ssbo_nir_atomic_op(opcode); atomic = nir_intrinsic_instr_create(b->nb.shader, op); - atomic->src[0] = nir_src_for_ssa(index); - atomic->src[1] = nir_src_for_ssa(offset); - fill_common_atomic_sources(b, opcode, w, &atomic->src[2]); + + switch (opcode) { + case SpvOpAtomicLoad: + atomic->num_components = glsl_get_vector_elements(type->type); + atomic->src[0] = nir_src_for_ssa(index); + atomic->src[1] = nir_src_for_ssa(offset); + break; + + case SpvOpAtomicStore: + atomic->num_components = glsl_get_vector_elements(type->type); + nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1); + atomic->src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def); + atomic->src[1] = nir_src_for_ssa(index); + atomic->src[2] = nir_src_for_ssa(offset); + break; + + case SpvOpAtomicExchange: + case SpvOpAtomicCompareExchange: + case SpvOpAtomicCompareExchangeWeak: + case SpvOpAtomicIIncrement: + case SpvOpAtomicIDecrement: + case SpvOpAtomicIAdd: + case SpvOpAtomicISub: + case SpvOpAtomicSMin: + case SpvOpAtomicUMin: + case SpvOpAtomicSMax: + case SpvOpAtomicUMax: + case SpvOpAtomicAnd: + case SpvOpAtomicOr: + case SpvOpAtomicXor: + atomic->src[0] = nir_src_for_ssa(index); + atomic->src[1] = nir_src_for_ssa(offset); + fill_common_atomic_sources(b, opcode, w, &atomic->src[2]); + break; + + default: + unreachable("Invalid SPIR-V atomic"); + } } - nir_ssa_dest_init(&atomic->instr, &atomic->dest, 1, 32, NULL); + if (opcode != SpvOpAtomicStore) { + struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type; + + nir_ssa_dest_init(&atomic->instr, &atomic->dest, + glsl_get_vector_elements(type->type), + glsl_get_bit_size(type->type), NULL); - struct vtn_type *type = vtn_value(b, w[1], vtn_value_type_type)->type; - struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa); - val->ssa = rzalloc(b, struct vtn_ssa_value); - val->ssa->def = &atomic->dest.ssa; - val->ssa->type = type->type; + struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa); + val->ssa = rzalloc(b, struct vtn_ssa_value); + val->ssa->def = &atomic->dest.ssa; + val->ssa->type = type->type; + } nir_builder_instr_insert(&b->nb, &atomic->instr); } @@ -2677,6 +2767,7 @@ vtn_handle_body_instruction(struct vtn_builder *b, SpvOp opcode, break; } + case SpvOpAtomicLoad: case SpvOpAtomicExchange: case SpvOpAtomicCompareExchange: case SpvOpAtomicCompareExchangeWeak: @@ -2701,6 +2792,17 @@ vtn_handle_body_instruction(struct vtn_builder *b, SpvOp opcode, break; } + case SpvOpAtomicStore: { + struct vtn_value *pointer = vtn_untyped_value(b, w[1]); + if (pointer->value_type == vtn_value_type_image_pointer) { + vtn_handle_image(b, opcode, w, count); + } else { + assert(pointer->value_type == vtn_value_type_access_chain); + vtn_handle_ssbo_or_shared_atomic(b, opcode, w, count); + } + break; + } + case SpvOpSNegate: case SpvOpFNegate: case SpvOpNot: