dawn-cmake/fuzzers/tint_common_fuzzer.cc

209 lines
5.1 KiB
C++

// 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 <memory>
#include <string>
#include <utility>
#include <vector>
#include "src/ast/module.h"
#include "src/program.h"
#include "src/program_builder.h"
namespace tint {
namespace fuzzers {
CommonFuzzer::CommonFuzzer(InputFormat input, OutputFormat output)
: input_(input),
output_(output),
transform_manager_(nullptr),
inspector_enabled_(false) {}
CommonFuzzer::~CommonFuzzer() = default;
int CommonFuzzer::Run(const uint8_t* data, size_t size) {
std::unique_ptr<reader::Reader> parser;
#if TINT_BUILD_WGSL_READER
std::unique_ptr<Source::File> file;
#endif // TINT_BUILD_WGSL_READER
switch (input_) {
case InputFormat::kWGSL:
#if TINT_BUILD_WGSL_READER
{
std::string str(reinterpret_cast<const char*>(data), size);
file = std::make_unique<Source::File>("test.wgsl", str);
parser = std::make_unique<reader::wgsl::Parser>(file.get());
}
#endif // TINT_BUILD_WGSL_READER
break;
case InputFormat::kSpv:
#if TINT_BUILD_SPV_READER
{
size_t sizeInU32 = size / sizeof(uint32_t);
const uint32_t* u32Data = reinterpret_cast<const uint32_t*>(data);
std::vector<uint32_t> input(u32Data, u32Data + sizeInU32);
if (input.size() != 0) {
parser = std::make_unique<reader::spirv::Parser>(input);
}
}
#endif // TINT_BUILD_WGSL_READER
break;
default:
break;
}
if (!parser) {
return 0;
}
if (!parser->Parse()) {
return 0;
}
if (output_ == OutputFormat::kNone) {
return 0;
}
auto program = parser->program();
if (!program.IsValid()) {
return 0;
}
{
ProgramBuilder builder = program.CloneAsBuilder();
TypeDeterminer td(&builder);
if (!td.Determine()) {
return 0;
}
program = Program(std::move(builder));
}
Validator v;
if (!v.Validate(&program)) {
return 0;
}
if (inspector_enabled_) {
inspector::Inspector inspector(&program);
auto entry_points = inspector.GetEntryPoints();
if (inspector.has_error()) {
return 0;
}
for (auto& ep : entry_points) {
auto remapped_name = inspector.GetRemappedNameForEntryPoint(ep.name);
if (inspector.has_error()) {
return 0;
}
auto constant_ids = inspector.GetConstantIDs();
if (inspector.has_error()) {
return 0;
}
auto uniform_bindings =
inspector.GetUniformBufferResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto storage_bindings =
inspector.GetStorageBufferResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto readonly_bindings =
inspector.GetReadOnlyStorageBufferResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto sampler_bindings = inspector.GetSamplerResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto comparison_sampler_bindings =
inspector.GetComparisonSamplerResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto sampled_texture_bindings =
inspector.GetSampledTextureResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
auto multisampled_texture_bindings =
inspector.GetMultisampledTextureResourceBindings(ep.name);
if (inspector.has_error()) {
return 0;
}
}
}
if (transform_manager_) {
auto out = transform_manager_->Run(&program);
if (out.diagnostics.contains_errors()) {
return 0;
}
program = std::move(out.program);
}
std::unique_ptr<writer::Writer> writer;
switch (output_) {
case OutputFormat::kWGSL:
#if TINT_BUILD_WGSL_WRITER
writer = std::make_unique<writer::wgsl::Generator>(&program);
#endif // TINT_BUILD_WGSL_WRITER
break;
case OutputFormat::kSpv:
#if TINT_BUILD_SPV_WRITER
writer = std::make_unique<writer::spirv::Generator>(&program);
#endif // TINT_BUILD_SPV_WRITER
break;
case OutputFormat::kHLSL:
#if TINT_BUILD_HLSL_WRITER
writer = std::make_unique<writer::hlsl::Generator>(&program);
#endif // TINT_BUILD_HLSL_WRITER
break;
case OutputFormat::kMSL:
#if TINT_BUILD_MSL_WRITER
writer = std::make_unique<writer::msl::Generator>(&program);
#endif // TINT_BUILD_MSL_WRITER
break;
case OutputFormat::kNone:
break;
}
if (writer) {
writer->Generate();
}
return 0;
}
} // namespace fuzzers
} // namespace tint