blob: 02bc7761c27bf63a7a47f962cfa14fbc557497f8 [file] [log] [blame]
/*
* Copyright 2019 Google, LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/private/SkSLProgramKind.h"
#include "src/gpu/ganesh/GrShaderCaps.h"
#include "src/sksl/SkSLCompiler.h"
#include "src/sksl/SkSLProgramSettings.h"
#include "src/sksl/ir/SkSLProgram.h"
#include "fuzz/Fuzz.h"
bool FuzzSKSL2SPIRV(sk_sp<SkData> bytes) {
SkSL::Compiler compiler(SkSL::ShaderCapsFactory::Default());
SkSL::ProgramSettings settings;
// This tells the compiler where the rt-flip uniform will live should it be required. For
// fuzzing purposes we don't care where that is, but the compiler will report an error if we
// leave them at their default invalid values, or if the offset overlaps another uniform.
settings.fRTFlipOffset = 16384;
settings.fRTFlipSet = 0;
settings.fRTFlipBinding = 0;
std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
SkSL::ProgramKind::kFragment,
std::string((const char*) bytes->data(),
bytes->size()),
settings);
std::string output;
if (!program || !compiler.toSPIRV(*program, &output)) {
return false;
}
return true;
}
#if defined(SK_BUILD_FOR_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size > 3000) {
return 0;
}
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzSKSL2SPIRV(bytes);
return 0;
}
#endif