1 // Copyright (c) 2016 Google Inc. 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 #include "build_module.h" 16 17 #include "ir_loader.h" 18 #include "make_unique.h" 19 #include "table.h" 20 21 namespace spvtools { 22 23 namespace { 24 25 // Sets the module header for IrLoader. Meets the interface requirement of 26 // spvBinaryParse(). 27 spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic, 28 uint32_t version, uint32_t generator, 29 uint32_t id_bound, uint32_t reserved) { 30 reinterpret_cast<ir::IrLoader*>(builder) 31 ->SetModuleHeader(magic, version, generator, id_bound, reserved); 32 return SPV_SUCCESS; 33 }; 34 35 // Processes a parsed instruction for IrLoader. Meets the interface requirement 36 // of spvBinaryParse(). 37 spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) { 38 if (reinterpret_cast<ir::IrLoader*>(builder)->AddInstruction(inst)) { 39 return SPV_SUCCESS; 40 } 41 return SPV_ERROR_INVALID_BINARY; 42 }; 43 44 } // annoymous namespace 45 46 std::unique_ptr<ir::Module> BuildModule(spv_target_env env, 47 MessageConsumer consumer, 48 const uint32_t* binary, 49 const size_t size) { 50 auto context = spvContextCreate(env); 51 SetContextMessageConsumer(context, consumer); 52 53 auto module = MakeUnique<ir::Module>(); 54 ir::IrLoader loader(context->consumer, module.get()); 55 56 spv_result_t status = spvBinaryParse(context, &loader, binary, size, 57 SetSpvHeader, SetSpvInst, nullptr); 58 loader.EndModule(); 59 60 spvContextDestroy(context); 61 62 return status == SPV_SUCCESS ? std::move(module) : nullptr; 63 } 64 65 std::unique_ptr<ir::Module> BuildModule(spv_target_env env, 66 MessageConsumer consumer, 67 const std::string& text, 68 uint32_t assemble_options) { 69 SpirvTools t(env); 70 t.SetMessageConsumer(consumer); 71 std::vector<uint32_t> binary; 72 if (!t.Assemble(text, &binary, assemble_options)) return nullptr; 73 return BuildModule(env, consumer, binary.data(), binary.size()); 74 } 75 76 } // namespace spvtools 77
