Enable a lot of extensions to increase fuzzer coverage

gpu/command_buffer/tests/fuzzer_main.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/at_exit.h"
@@ skipping 26 matching lines @@
 #include "ui/gl/test/gl_surface_test_support.h"
 
 namespace gpu {
 namespace {
 
 const size_t kCommandBufferSize = 16384;
 const size_t kTransferBufferSize = 16384;
 const size_t kSmallTransferBufferSize = 16;
 const size_t kTinyTransferBufferSize = 3;
 
+static const char kExtensions[] =
+    "GL_AMD_compressed_ATC_texture "
+    "GL_ANGLE_texture_compression_dxt3 "
+    "GL_ANGLE_texture_compression_dxt5 "
+    "GL_ANGLE_texture_usage "
+    "GL_APPLE_ycbcr_422 "
+    "GL_ARB_texture_rectangle "
+    "GL_EXT_blend_func_extended "
+    "GL_EXT_color_buffer_float "
+    "GL_EXT_disjoint_timer_query "
+    "GL_EXT_draw_buffers "
+    "GL_EXT_frag_depth "
+    "GL_EXT_multisample_compatibility "
+    "GL_EXT_multisampled_render_to_texture "
+    "GL_EXT_occlusion_query_boolean "
+    "GL_EXT_read_format_bgra "
+    "GL_EXT_shader_texture_lod "
+    "GL_EXT_texture_compression_s3tc "
+    "GL_EXT_texture_filter_anisotropic "
+    "GL_IMG_texture_compression_pvrtc "
+    "GL_KHR_blend_equation_advanced "
+    "GL_KHR_blend_equation_advanced_coherent "
+    "GL_KHR_texture_compression_astc_ldr "
+    "GL_NV_EGL_stream_consumer_external "
+    "GL_NV_framebuffer_mixed_samples "
+    "GL_NV_path_rendering "
+    "GL_OES_compressed_ETC1_RGB8_texture "
+    "GL_OES_depth24 "
+    "GL_OES_EGL_image_external "
+    "GL_OES_rgb8_rgba8 "
+    "GL_OES_texture_float "
+    "GL_OES_texture_float_linear "
+    "GL_OES_texture_half_float "
+    "GL_OES_texture_half_float_linear";
+
 class CommandBufferSetup {
  public:
   CommandBufferSetup()
       : atexit_manager_(),
         sync_point_manager_(new SyncPointManager(false)),
         sync_point_order_data_(SyncPointOrderData::Create()),
         mailbox_manager_(new gles2::MailboxManagerImpl),
         share_group_(new gl::GLShareGroup),
         surface_(new gl::GLSurfaceStub),
         context_(new gl::GLContextStub(share_group_.get())),
         command_buffer_id_(CommandBufferId::FromUnsafeValue(1)) {
     logging::SetMinLogLevel(logging::LOG_FATAL);
     base::CommandLine::Init(0, NULL);
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableUnsafeES3APIs);
     gpu_preferences_.enable_unsafe_es3_apis = true;
 
     gl::GLSurfaceTestSupport::InitializeOneOffWithMockBindings();
+
+    api_.set_version("OpenGL ES 3.0");
+    api_.set_extensions(kExtensions);
     gl::SetStubGLApi(&api_);
 
     sync_point_client_ = sync_point_manager_->CreateSyncPointClient(
         sync_point_order_data_, CommandBufferNamespace::IN_PROCESS,
         command_buffer_id_);
 
     translator_cache_ = new gles2::ShaderTranslatorCache(gpu_preferences_);
     completeness_cache_ = new gles2::FramebufferCompletenessCache;
   }
 
@@ skipping 181 matching lines @@
 
 static gpu::CommandBufferSetup& GetSetup() {
   static gpu::CommandBufferSetup setup;
   return setup;
 }
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   GetSetup().RunCommandBuffer(data, size);
   return 0;
 }