mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-27 05:40:06 +00:00
80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
// Copyright (c) 2016 Google Inc.
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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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#include "source/opt/build_module.h"
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#include <utility>
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#include <vector>
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#include "source/opt/ir_context.h"
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#include "source/opt/ir_loader.h"
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#include "source/table.h"
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#include "source/util/make_unique.h"
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namespace spvtools {
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namespace {
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// Sets the module header for IrLoader. Meets the interface requirement of
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// spvBinaryParse().
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spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic,
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uint32_t version, uint32_t generator,
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uint32_t id_bound, uint32_t reserved) {
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reinterpret_cast<opt::IrLoader*>(builder)->SetModuleHeader(
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magic, version, generator, id_bound, reserved);
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return SPV_SUCCESS;
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}
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// Processes a parsed instruction for IrLoader. Meets the interface requirement
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// of spvBinaryParse().
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spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) {
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if (reinterpret_cast<opt::IrLoader*>(builder)->AddInstruction(inst)) {
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return SPV_SUCCESS;
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}
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return SPV_ERROR_INVALID_BINARY;
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}
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} // namespace
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std::unique_ptr<opt::IRContext> BuildModule(spv_target_env env,
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MessageConsumer consumer,
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const uint32_t* binary,
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const size_t size) {
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auto context = spvContextCreate(env);
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SetContextMessageConsumer(context, consumer);
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auto irContext = MakeUnique<opt::IRContext>(env, consumer);
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opt::IrLoader loader(consumer, irContext->module());
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spv_result_t status = spvBinaryParse(context, &loader, binary, size,
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SetSpvHeader, SetSpvInst, nullptr);
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loader.EndModule();
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spvContextDestroy(context);
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return status == SPV_SUCCESS ? std::move(irContext) : nullptr;
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}
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std::unique_ptr<opt::IRContext> BuildModule(spv_target_env env,
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MessageConsumer consumer,
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const std::string& text,
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uint32_t assemble_options) {
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SpirvTools t(env);
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t.SetMessageConsumer(consumer);
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std::vector<uint32_t> binary;
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if (!t.Assemble(text, &binary, assemble_options)) return nullptr;
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return BuildModule(env, consumer, binary.data(), binary.size());
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}
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} // namespace spvtools
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