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// Copyright 2021 The Tint Authors.
//
// 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.
#include "fuzzers/tint_common_fuzzer.h"
#include "fuzzers/tint_init_fuzzer.h"
namespace tint {
namespace fuzzers {
struct Config {
Config(const uint8_t* data, size_t size) : reader(data, size) {}
Reader reader;
transform::Manager manager;
transform::DataMap inputs;
};
bool AddPlatformIndependentPasses(Config* config) {
ExtractFirstIndexOffsetInputs(&config->reader, &config->inputs);
ExtractBindingRemapperInputs(&config->reader, &config->inputs);
ExtractSingleEntryPointInputs(&config->reader, &config->inputs);
ExtractVertexPullingInputs(&config->reader, &config->inputs);
config->manager.Add<transform::Robustness>();
config->manager.Add<transform::FirstIndexOffset>();
config->manager.Add<transform::BindingRemapper>();
config->manager.Add<transform::Renamer>();
config->manager.Add<tint::transform::SingleEntryPoint>();
config->manager.Add<tint::transform::VertexPulling>();
return !config->reader.failed();
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);
fuzzer.SetTransformManager(&(config.manager), std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
}
#if TINT_BUILD_HLSL_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kHLSL);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
}
#endif // TINT_BUILD_HLSL_WRITER
#if TINT_BUILD_MSL_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kMSL);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
}
#endif // TINT_BUILD_MSL_WRITER
#if TINT_BUILD_SPV_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
}
#endif // TINT_BUILD_SPV_WRITER
return 0;
}
} // namespace fuzzers
} // namespace tint