diff options
Diffstat (limited to 'gfx/angle/src/compiler/fuzz/translator_fuzzer.cpp')
| -rw-r--r-- | gfx/angle/src/compiler/fuzz/translator_fuzzer.cpp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/gfx/angle/src/compiler/fuzz/translator_fuzzer.cpp b/gfx/angle/src/compiler/fuzz/translator_fuzzer.cpp deleted file mode 100644 index 3ea117ba0..000000000 --- a/gfx/angle/src/compiler/fuzz/translator_fuzzer.cpp +++ /dev/null @@ -1,161 +0,0 @@ -// -// Copyright (c) 2016 The ANGLE Project Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. -// - -// translator_fuzzer.cpp: A libfuzzer fuzzer for the shader translator. - -#include <stddef.h> -#include <stdint.h> -#include <unordered_map> -#include <iostream> - -#include "compiler/translator/Compiler.h" -#include "angle_gl.h" - -using namespace sh; - -struct TranslatorCacheKey -{ - bool operator==(const TranslatorCacheKey &other) const - { - return type == other.type && spec == other.spec && output == other.output; - } - - uint32_t type = 0; - uint32_t spec = 0; - uint32_t output = 0; -}; - -namespace std -{ - -template <> -struct hash<TranslatorCacheKey> -{ - std::size_t operator()(const TranslatorCacheKey &k) const - { - return (hash<uint32_t>()(k.type) << 1) ^ (hash<uint32_t>()(k.spec) >> 1) ^ - hash<uint32_t>()(k.output); - } -}; -} // namespace std - -static std::unordered_map<TranslatorCacheKey, TCompiler *> translators; - -extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) -{ - // Reserve some size for future compile options - const size_t kHeaderSize = 128; - - if (size <= kHeaderSize) - { - return 0; - } - - // Make sure the rest of data will be a valid C string so that we don't have to copy it. - if (data[size - 1] != 0) - { - return 0; - } - - uint32_t type = *reinterpret_cast<const uint32_t *>(data); - uint32_t spec = *reinterpret_cast<const uint32_t *>(data + 4); - uint32_t output = *reinterpret_cast<const uint32_t *>(data + 8); - uint64_t options = *reinterpret_cast<const uint64_t *>(data + 12); - - if (type != GL_FRAGMENT_SHADER && type != GL_VERTEX_SHADER) - { - return 0; - } - - if (spec != SH_GLES2_SPEC && type != SH_WEBGL_SPEC && spec != SH_GLES3_SPEC && - spec != SH_WEBGL2_SPEC) - { - return 0; - } - - std::vector<uint32_t> validOutputs; - validOutputs.push_back(SH_ESSL_OUTPUT); - validOutputs.push_back(SH_GLSL_COMPATIBILITY_OUTPUT); - validOutputs.push_back(SH_GLSL_130_OUTPUT); - validOutputs.push_back(SH_GLSL_140_OUTPUT); - validOutputs.push_back(SH_GLSL_150_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_330_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_400_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_410_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_420_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_430_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_440_CORE_OUTPUT); - validOutputs.push_back(SH_GLSL_450_CORE_OUTPUT); - validOutputs.push_back(SH_HLSL_3_0_OUTPUT); - validOutputs.push_back(SH_HLSL_4_1_OUTPUT); - validOutputs.push_back(SH_HLSL_4_0_FL9_3_OUTPUT); - bool found = false; - for (auto valid : validOutputs) - { - found = found || (valid == output); - } - if (!found) - { - return 0; - } - - size -= kHeaderSize; - data += kHeaderSize; - - if (!ShInitialize()) - { - return 0; - } - - TranslatorCacheKey key; - key.type = type; - key.spec = spec; - key.output = output; - - if (translators.find(key) == translators.end()) - { - TCompiler *translator = ConstructCompiler(type, static_cast<ShShaderSpec>(spec), - static_cast<ShShaderOutput>(output)); - - if (!translator) - { - return 0; - } - - ShBuiltInResources resources; - ShInitBuiltInResources(&resources); - - // Enable all the extensions to have more coverage - resources.OES_standard_derivatives = 1; - resources.OES_EGL_image_external = 1; - resources.OES_EGL_image_external_essl3 = 1; - resources.NV_EGL_stream_consumer_external = 1; - resources.ARB_texture_rectangle = 1; - resources.EXT_blend_func_extended = 1; - resources.EXT_draw_buffers = 1; - resources.EXT_frag_depth = 1; - resources.EXT_shader_texture_lod = 1; - resources.WEBGL_debug_shader_precision = 1; - resources.EXT_shader_framebuffer_fetch = 1; - resources.NV_shader_framebuffer_fetch = 1; - resources.ARM_shader_framebuffer_fetch = 1; - - if (!translator->Init(resources)) - { - DeleteCompiler(translator); - return 0; - } - - translators[key] = translator; - } - - TCompiler *translator = translators[key]; - - const char *shaderStrings[] = {reinterpret_cast<const char *>(data)}; - translator->compile(shaderStrings, 1, options); - - return 0; -} |