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- // Copyright (c) 2018 Google LLC.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- // Validates correctness of barrier SPIR-V instructions.
- #include "source/val/validate.h"
- #include "source/diagnostic.h"
- #include "source/opcode.h"
- #include "source/spirv_constant.h"
- #include "source/spirv_target_env.h"
- #include "source/util/bitutils.h"
- #include "source/val/instruction.h"
- #include "source/val/validate_scopes.h"
- #include "source/val/validation_state.h"
- namespace spvtools {
- namespace val {
- namespace {
- spv_result_t ValidateGroupNonUniformBallotBitCount(ValidationState_t& _,
- const Instruction* inst) {
- // Scope is already checked by ValidateExecutionScope() above.
- const uint32_t result_type = inst->type_id();
- if (!_.IsUnsignedIntScalarType(result_type)) {
- return _.diag(SPV_ERROR_INVALID_DATA, inst)
- << "Expected Result Type to be an unsigned integer type scalar.";
- }
- const auto value = inst->GetOperandAs<uint32_t>(4);
- const auto value_type = _.FindDef(value)->type_id();
- if (!_.IsUnsignedIntVectorType(value_type) ||
- _.GetDimension(value_type) != 4) {
- return _.diag(SPV_ERROR_INVALID_DATA, inst) << "Expected Value to be a "
- "vector of four components "
- "of integer type scalar";
- }
- return SPV_SUCCESS;
- }
- } // namespace
- // Validates correctness of non-uniform group instructions.
- spv_result_t NonUniformPass(ValidationState_t& _, const Instruction* inst) {
- const SpvOp opcode = inst->opcode();
- if (spvOpcodeIsNonUniformGroupOperation(opcode)) {
- const uint32_t execution_scope = inst->word(3);
- if (auto error = ValidateExecutionScope(_, inst, execution_scope)) {
- return error;
- }
- }
- switch (opcode) {
- case SpvOpGroupNonUniformBallotBitCount:
- return ValidateGroupNonUniformBallotBitCount(_, inst);
- default:
- break;
- }
- return SPV_SUCCESS;
- }
- } // namespace val
- } // namespace spvtools
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