1/*
2 * Copyright 2019 Google, LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "src/gpu/GrShaderCaps.h"
9#include "src/sksl/SkSLCompiler.h"
10
11#include "fuzz/Fuzz.h"
12
13bool FuzzSKSL2Metal(sk_sp<SkData> bytes) {
14    std::unique_ptr<GrShaderCaps> caps = SkSL::ShaderCapsFactory::Default();
15    SkSL::Compiler compiler(caps.get());
16    SkSL::String output;
17    SkSL::Program::Settings settings;
18    std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
19                                                    SkSL::ProgramKind::kFragment,
20                                                    SkSL::String((const char*) bytes->data(),
21                                                                 bytes->size()),
22                                                    settings);
23    if (!program || !compiler.toMetal(*program, &output)) {
24        return false;
25    }
26    return true;
27}
28
29#if defined(SK_BUILD_FOR_LIBFUZZER)
30extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
31    if (size > 3000) {
32        return 0;
33    }
34    auto bytes = SkData::MakeWithoutCopy(data, size);
35    FuzzSKSL2Metal(bytes);
36    return 0;
37}
38#endif
39