1 // Copyright (c) 2018 Google LLC. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Validates correctness of barrier SPIR-V instructions. 16 17 #include "source/val/validate.h" 18 19 #include "source/diagnostic.h" 20 #include "source/opcode.h" 21 #include "source/spirv_constant.h" 22 #include "source/spirv_target_env.h" 23 #include "source/util/bitutils.h" 24 #include "source/val/instruction.h" 25 #include "source/val/validate_scopes.h" 26 #include "source/val/validation_state.h" 27 28 namespace spvtools { 29 namespace val { 30 namespace { 31 32 spv_result_t ValidateGroupNonUniformBallotBitCount(ValidationState_t& _, 33 const Instruction* inst) { 34 // Scope is already checked by ValidateExecutionScope() above. 35 36 const uint32_t result_type = inst->type_id(); 37 if (!_.IsUnsignedIntScalarType(result_type)) { 38 return _.diag(SPV_ERROR_INVALID_DATA, inst) 39 << "Expected Result Type to be an unsigned integer type scalar."; 40 } 41 42 const auto value = inst->GetOperandAs<uint32_t>(4); 43 const auto value_type = _.FindDef(value)->type_id(); 44 if (!_.IsUnsignedIntVectorType(value_type) || 45 _.GetDimension(value_type) != 4) { 46 return _.diag(SPV_ERROR_INVALID_DATA, inst) << "Expected Value to be a " 47 "vector of four components " 48 "of integer type scalar"; 49 } 50 return SPV_SUCCESS; 51 } 52 53 } // namespace 54 55 // Validates correctness of non-uniform group instructions. 56 spv_result_t NonUniformPass(ValidationState_t& _, const Instruction* inst) { 57 const SpvOp opcode = inst->opcode(); 58 59 if (spvOpcodeIsNonUniformGroupOperation(opcode)) { 60 const uint32_t execution_scope = inst->word(3); 61 if (auto error = ValidateExecutionScope(_, inst, execution_scope)) { 62 return error; 63 } 64 } 65 66 switch (opcode) { 67 case SpvOpGroupNonUniformBallotBitCount: 68 return ValidateGroupNonUniformBallotBitCount(_, inst); 69 default: 70 break; 71 } 72 73 return SPV_SUCCESS; 74 } 75 76 } // namespace val 77 } // namespace spvtools 78
