58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
// Copyright 2019 The Dawn 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 <cstdint>
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#include <string>
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#include <vector>
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#include "spvc/spvc.hpp"
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extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) {
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return 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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shaderc_spvc::Context context;
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if (!context.IsValid()) {
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return 0;
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}
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shaderc_spvc::CompilationResult result;
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shaderc_spvc::CompileOptions options;
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options.SetSourceEnvironment(shaderc_target_env_webgpu, shaderc_env_version_webgpu);
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options.SetTargetEnvironment(shaderc_target_env_vulkan, shaderc_env_version_vulkan_1_1);
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// Using the options that are used by Dawn, they appear in ShaderModuleGL.cpp
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// TODO(sarahM0): double check these option after completion of spvc integration
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options.SetFlipVertY(true);
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options.SetFixupClipspace(true);
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#if defined(DAWN_PLATFORM_APPLE)
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options.SetGLSLLanguageVersion(410);
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#else
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options.SetGLSLLanguageVersion(440);
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#endif
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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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if (context.InitializeForGlsl(input.data(), input.size(), options) ==
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shaderc_spvc_status_success) {
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context.SetUseSpvcParser(true);
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context.CompileShader(&result);
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}
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}
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return 0;
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}
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