135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
// Copyright 2021 The Tint Authors.
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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 "fuzzers/tint_common_fuzzer.h"
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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namespace tint {
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namespace fuzzers {
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CommonFuzzer::CommonFuzzer(InputFormat input, OutputFormat output)
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: input_(input), output_(output) {}
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CommonFuzzer::~CommonFuzzer() = default;
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int CommonFuzzer::Run(const uint8_t* data, size_t size) {
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std::unique_ptr<tint::reader::Reader> parser;
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#if TINT_BUILD_WGSL_READER
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std::unique_ptr<tint::Source::File> file;
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#endif // TINT_BUILD_WGSL_READER
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switch (input_) {
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case InputFormat::kWGSL:
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#if TINT_BUILD_WGSL_READER
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{
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std::string str(reinterpret_cast<const char*>(data), size);
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file = std::make_unique<tint::Source::File>("test.wgsl", str);
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parser = std::make_unique<tint::reader::wgsl::Parser>(file.get());
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}
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#endif // TINT_BUILD_WGSL_READER
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break;
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case InputFormat::kSpv:
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#if TINT_BUILD_SPV_READER
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{
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size_t sizeInU32 = size / sizeof(uint32_t);
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const uint32_t* u32Data = reinterpret_cast<const uint32_t*>(data);
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std::vector<uint32_t> input(u32Data, u32Data + sizeInU32);
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if (input.size() != 0) {
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parser = std::make_unique<tint::reader::spirv::Parser>(input);
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}
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}
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#endif // TINT_BUILD_WGSL_READER
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break;
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default:
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break;
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}
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if (!parser) {
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return 0;
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}
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if (!parser->Parse()) {
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return 0;
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}
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if (output_ == OutputFormat::kNone) {
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return 0;
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}
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auto mod = parser->module();
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if (!mod.IsValid()) {
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return 0;
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}
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tint::TypeDeterminer td(&mod);
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if (!td.Determine()) {
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return 0;
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}
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tint::Validator v;
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if (!v.Validate(&mod)) {
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return 0;
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}
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if (transform_manager_) {
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auto out = transform_manager_->Run(&mod);
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if (out.diagnostics.contains_errors()) {
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return 0;
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}
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mod = std::move(out.module);
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}
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std::unique_ptr<tint::writer::Writer> writer;
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switch (output_) {
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case OutputFormat::kWGSL:
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#if TINT_BUILD_WGSL_WRITER
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writer = std::make_unique<tint::writer::wgsl::Generator>(std::move(mod));
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#endif // TINT_BUILD_WGSL_WRITER
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break;
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case OutputFormat::kSpv:
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#if TINT_BUILD_SPV_WRITER
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writer = std::make_unique<tint::writer::spirv::Generator>(std::move(mod));
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#endif // TINT_BUILD_SPV_WRITER
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break;
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case OutputFormat::kHLSL:
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#if TINT_BUILD_HLSL_WRITER
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writer = std::make_unique<tint::writer::hlsl::Generator>(std::move(mod));
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#endif // TINT_BUILD_HLSL_WRITER
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break;
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case OutputFormat::kMSL:
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#if TINT_BUILD_MSL_WRITER
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writer = std::make_unique<tint::writer::msl::Generator>(std::move(mod));
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#endif // TINT_BUILD_MSL_WRITER
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break;
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case OutputFormat::kNone:
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break;
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}
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if (writer) {
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writer->Generate();
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}
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return 0;
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}
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} // namespace fuzzers
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} // namespace tint
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