137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
// Copyright (c) 2018 Google LLC.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Validates correctness of barrier SPIR-V instructions.
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#include <string>
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#include "source/diagnostic.h"
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#include "source/opcode.h"
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#include "source/spirv_constant.h"
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#include "source/spirv_target_env.h"
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#include "source/util/bitutils.h"
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#include "source/val/instruction.h"
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#include "source/val/validate.h"
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#include "source/val/validate_memory_semantics.h"
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#include "source/val/validate_scopes.h"
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#include "source/val/validation_state.h"
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namespace spvtools {
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namespace val {
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// Validates correctness of barrier instructions.
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spv_result_t BarriersPass(ValidationState_t& _, const Instruction* inst) {
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const SpvOp opcode = inst->opcode();
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const uint32_t result_type = inst->type_id();
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switch (opcode) {
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case SpvOpControlBarrier: {
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if (_.version() < SPV_SPIRV_VERSION_WORD(1, 3)) {
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_.function(inst->function()->id())
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->RegisterExecutionModelLimitation(
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[](SpvExecutionModel model, std::string* message) {
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if (model != SpvExecutionModelTessellationControl &&
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model != SpvExecutionModelGLCompute &&
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model != SpvExecutionModelKernel &&
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model != SpvExecutionModelTaskNV &&
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model != SpvExecutionModelMeshNV) {
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if (message) {
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*message =
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"OpControlBarrier requires one of the following "
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"Execution "
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"Models: TessellationControl, GLCompute or Kernel";
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}
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return false;
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}
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return true;
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});
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}
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const uint32_t execution_scope = inst->word(1);
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const uint32_t memory_scope = inst->word(2);
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if (auto error = ValidateExecutionScope(_, inst, execution_scope)) {
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return error;
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}
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if (auto error = ValidateMemoryScope(_, inst, memory_scope)) {
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return error;
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}
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if (auto error = ValidateMemorySemantics(_, inst, 2, memory_scope)) {
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return error;
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}
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break;
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}
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case SpvOpMemoryBarrier: {
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const uint32_t memory_scope = inst->word(1);
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if (auto error = ValidateMemoryScope(_, inst, memory_scope)) {
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return error;
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}
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if (auto error = ValidateMemorySemantics(_, inst, 1, memory_scope)) {
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return error;
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}
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break;
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}
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case SpvOpNamedBarrierInitialize: {
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if (_.GetIdOpcode(result_type) != SpvOpTypeNamedBarrier) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": expected Result Type to be OpTypeNamedBarrier";
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}
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const uint32_t subgroup_count_type = _.GetOperandTypeId(inst, 2);
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if (!_.IsIntScalarType(subgroup_count_type) ||
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_.GetBitWidth(subgroup_count_type) != 32) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": expected Subgroup Count to be a 32-bit int";
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}
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break;
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}
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case SpvOpMemoryNamedBarrier: {
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const uint32_t named_barrier_type = _.GetOperandTypeId(inst, 0);
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if (_.GetIdOpcode(named_barrier_type) != SpvOpTypeNamedBarrier) {
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return _.diag(SPV_ERROR_INVALID_DATA, inst)
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<< spvOpcodeString(opcode)
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<< ": expected Named Barrier to be of type OpTypeNamedBarrier";
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}
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const uint32_t memory_scope = inst->word(2);
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if (auto error = ValidateMemoryScope(_, inst, memory_scope)) {
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return error;
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}
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if (auto error = ValidateMemorySemantics(_, inst, 2, memory_scope)) {
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return error;
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}
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break;
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}
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default:
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break;
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}
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return SPV_SUCCESS;
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}
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} // namespace val
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} // namespace spvtools
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