src/gpu/command_buffer/service/feature_info_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "gpu/command_buffer/service/feature_info.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "gpu/command_buffer/service/gpu_service_test.h"
  11 #include "gpu/command_buffer/service/gpu_switches.h"
  12 #include "gpu/command_buffer/service/test_helper.h"
  13 #include "gpu/command_buffer/service/texture_manager.h"
  14 #include "gpu/config/gpu_driver_bug_workaround_type.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16 #include "ui/gl/gl_fence.h"
  17 #include "ui/gl/gl_implementation.h"
  18 #include "ui/gl/gl_mock.h"
  19
  20 using ::testing::_;
  21 using ::testing::DoAll;
  22 using ::testing::HasSubstr;
  23 using ::testing::InSequence;
  24 using ::testing::MatcherCast;
  25 using ::testing::Not;
  26 using ::testing::Pointee;
  27 using ::testing::Return;
  28 using ::testing::SetArrayArgument;
  29 using ::testing::SetArgumentPointee;
  30 using ::testing::StrEq;
  31
  32 namespace gpu {
  33 namespace gles2 {
  34
  35 namespace {
  36 const char kGLRendererStringANGLE[] = "ANGLE (some renderer)";
  37 }  // anonymous namespace
  38
  39 class FeatureInfoTest : public GpuServiceTest {
  40  public:
  41   FeatureInfoTest() {
  42   }
  43
  44   void SetupInitExpectations(const char* extensions) {
  45     SetupInitExpectationsWithGLVersion(extensions, "", "");
  46   }
  47
  48   void SetupInitExpectationsWithGLVersion(
  49       const char* extensions, const char* renderer, const char* version) {
  50     GpuServiceTest::SetUpWithGLVersion(version, extensions);
  51     TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
  52         gl_.get(), extensions, renderer, version);
  53     info_ = new FeatureInfo();
  54     info_->Initialize();
  55   }
  56
  57   void SetupWithCommandLine(const CommandLine& command_line) {
  58     GpuServiceTest::SetUp();
  59     info_ = new FeatureInfo(command_line);
  60   }
  61
  62   void SetupInitExpectationsWithCommandLine(
  63       const char* extensions, const CommandLine& command_line) {
  64     GpuServiceTest::SetUpWithGLVersion("2.0", extensions);
  65     TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
  66         gl_.get(), extensions, "", "");
  67     info_ = new FeatureInfo(command_line);
  68     info_->Initialize();
  69   }
  70
  71   void SetupWithoutInit() {
  72     GpuServiceTest::SetUp();
  73     info_ = new FeatureInfo();
  74   }
  75
  76  protected:
  77   virtual void SetUp() OVERRIDE {
  78     // Do nothing here, since we are using the explicit Setup*() functions.
  79   }
  80
  81   virtual void TearDown() OVERRIDE {
  82     info_ = NULL;
  83     GpuServiceTest::TearDown();
  84   }
  85
  86   scoped_refptr<FeatureInfo> info_;
  87 };
  88
  89 namespace {
  90
  91 struct FormatInfo {
  92    GLenum format;
  93    const GLenum* types;
  94    size_t count;
  95 };
  96
  97 }  // anonymous namespace.
  98
  99 TEST_F(FeatureInfoTest, Basic) {
 100   SetupWithoutInit();
 101   // Test it starts off uninitialized.
 102   EXPECT_FALSE(info_->feature_flags().chromium_framebuffer_multisample);
 103   EXPECT_FALSE(info_->feature_flags().use_core_framebuffer_multisample);
 104   EXPECT_FALSE(info_->feature_flags().multisampled_render_to_texture);
 105   EXPECT_FALSE(info_->feature_flags(
 106       ).use_img_for_multisampled_render_to_texture);
 107   EXPECT_FALSE(info_->feature_flags().oes_standard_derivatives);
 108   EXPECT_FALSE(info_->feature_flags().npot_ok);
 109   EXPECT_FALSE(info_->feature_flags().enable_texture_float_linear);
 110   EXPECT_FALSE(info_->feature_flags().enable_texture_half_float_linear);
 111   EXPECT_FALSE(info_->feature_flags().oes_egl_image_external);
 112   EXPECT_FALSE(info_->feature_flags().oes_depth24);
 113   EXPECT_FALSE(info_->feature_flags().packed_depth24_stencil8);
 114   EXPECT_FALSE(info_->feature_flags().angle_translated_shader_source);
 115   EXPECT_FALSE(info_->feature_flags().angle_pack_reverse_row_order);
 116   EXPECT_FALSE(info_->feature_flags().arb_texture_rectangle);
 117   EXPECT_FALSE(info_->feature_flags().angle_instanced_arrays);
 118   EXPECT_FALSE(info_->feature_flags().occlusion_query_boolean);
 119   EXPECT_FALSE(info_->feature_flags(
 120       ).use_arb_occlusion_query2_for_occlusion_query_boolean);
 121   EXPECT_FALSE(info_->feature_flags(
 122       ).use_arb_occlusion_query_for_occlusion_query_boolean);
 123   EXPECT_FALSE(info_->feature_flags().native_vertex_array_object);
 124   EXPECT_FALSE(info_->feature_flags().map_buffer_range);
 125   EXPECT_FALSE(info_->feature_flags().use_async_readpixels);
 126   EXPECT_FALSE(info_->feature_flags().ext_discard_framebuffer);
 127   EXPECT_FALSE(info_->feature_flags().angle_depth_texture);
 128   EXPECT_FALSE(info_->feature_flags().is_angle);
 129
 130 #define GPU_OP(type, name) EXPECT_FALSE(info_->workarounds().name);
 131   GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
 132 #undef GPU_OP
 133   EXPECT_EQ(0, info_->workarounds().max_texture_size);
 134   EXPECT_EQ(0, info_->workarounds().max_cube_map_texture_size);
 135
 136   // Test good types.
 137   {
 138     static const GLenum kAlphaTypes[] = {
 139         GL_UNSIGNED_BYTE,
 140     };
 141     static const GLenum kRGBTypes[] = {
 142         GL_UNSIGNED_BYTE,
 143         GL_UNSIGNED_SHORT_5_6_5,
 144     };
 145     static const GLenum kRGBATypes[] = {
 146         GL_UNSIGNED_BYTE,
 147         GL_UNSIGNED_SHORT_4_4_4_4,
 148         GL_UNSIGNED_SHORT_5_5_5_1,
 149     };
 150     static const GLenum kLuminanceTypes[] = {
 151         GL_UNSIGNED_BYTE,
 152     };
 153     static const GLenum kLuminanceAlphaTypes[] = {
 154         GL_UNSIGNED_BYTE,
 155     };
 156     static const FormatInfo kFormatTypes[] = {
 157       { GL_ALPHA, kAlphaTypes, arraysize(kAlphaTypes), },
 158       { GL_RGB, kRGBTypes, arraysize(kRGBTypes), },
 159       { GL_RGBA, kRGBATypes, arraysize(kRGBATypes), },
 160       { GL_LUMINANCE, kLuminanceTypes, arraysize(kLuminanceTypes), },
 161       { GL_LUMINANCE_ALPHA, kLuminanceAlphaTypes,
 162         arraysize(kLuminanceAlphaTypes), } ,
 163     };
 164     for (size_t ii = 0; ii < arraysize(kFormatTypes); ++ii) {
 165       const FormatInfo& info = kFormatTypes[ii];
 166       const ValueValidator<GLenum>& validator =
 167           info_->GetTextureFormatValidator(info.format);
 168       for (size_t jj = 0; jj < info.count; ++jj) {
 169         EXPECT_TRUE(validator.IsValid(info.types[jj]));
 170       }
 171     }
 172   }
 173
 174   // Test some bad types
 175   {
 176     static const GLenum kAlphaTypes[] = {
 177         GL_UNSIGNED_SHORT_5_5_5_1,
 178         GL_FLOAT,
 179     };
 180     static const GLenum kRGBTypes[] = {
 181         GL_UNSIGNED_SHORT_4_4_4_4,
 182         GL_FLOAT,
 183     };
 184     static const GLenum kRGBATypes[] = {
 185         GL_UNSIGNED_SHORT_5_6_5,
 186         GL_FLOAT,
 187     };
 188     static const GLenum kLuminanceTypes[] = {
 189         GL_UNSIGNED_SHORT_4_4_4_4,
 190         GL_FLOAT,
 191     };
 192     static const GLenum kLuminanceAlphaTypes[] = {
 193         GL_UNSIGNED_SHORT_5_5_5_1,
 194         GL_FLOAT,
 195     };
 196     static const GLenum kBGRATypes[] = {
 197         GL_UNSIGNED_BYTE,
 198         GL_UNSIGNED_SHORT_5_6_5,
 199         GL_FLOAT,
 200     };
 201     static const GLenum kDepthTypes[] = {
 202         GL_UNSIGNED_BYTE,
 203         GL_UNSIGNED_SHORT,
 204         GL_UNSIGNED_INT,
 205         GL_FLOAT,
 206     };
 207     static const FormatInfo kFormatTypes[] = {
 208       { GL_ALPHA, kAlphaTypes, arraysize(kAlphaTypes), },
 209       { GL_RGB, kRGBTypes, arraysize(kRGBTypes), },
 210       { GL_RGBA, kRGBATypes, arraysize(kRGBATypes), },
 211       { GL_LUMINANCE, kLuminanceTypes, arraysize(kLuminanceTypes), },
 212       { GL_LUMINANCE_ALPHA, kLuminanceAlphaTypes,
 213         arraysize(kLuminanceAlphaTypes), } ,
 214       { GL_BGRA_EXT, kBGRATypes, arraysize(kBGRATypes), },
 215       { GL_DEPTH_COMPONENT, kDepthTypes, arraysize(kDepthTypes), },
 216     };
 217     for (size_t ii = 0; ii < arraysize(kFormatTypes); ++ii) {
 218       const FormatInfo& info = kFormatTypes[ii];
 219       const ValueValidator<GLenum>& validator =
 220           info_->GetTextureFormatValidator(info.format);
 221       for (size_t jj = 0; jj < info.count; ++jj) {
 222         EXPECT_FALSE(validator.IsValid(info.types[jj]));
 223       }
 224     }
 225   }
 226 }
 227
 228 TEST_F(FeatureInfoTest, InitializeNoExtensions) {
 229   SetupInitExpectations("");
 230   // Check default extensions are there
 231   EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_resource_safe"));
 232   EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_strict_attribs"));
 233   EXPECT_THAT(info_->extensions(),
 234               HasSubstr("GL_ANGLE_translated_shader_source"));
 235
 236   // Check a couple of random extensions that should not be there.
 237   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_OES_texture_npot")));
 238   EXPECT_THAT(info_->extensions(),
 239               Not(HasSubstr("GL_EXT_texture_compression_dxt1")));
 240   EXPECT_THAT(info_->extensions(),
 241               Not(HasSubstr("GL_CHROMIUM_texture_compression_dxt3")));
 242   EXPECT_THAT(info_->extensions(),
 243               Not(HasSubstr("GL_CHROMIUM_texture_compression_dxt5")));
 244   EXPECT_THAT(info_->extensions(),
 245               Not(HasSubstr("GL_ANGLE_texture_usage")));
 246   EXPECT_THAT(info_->extensions(),
 247               Not(HasSubstr("GL_EXT_texture_storage")));
 248   EXPECT_THAT(info_->extensions(),
 249               Not(HasSubstr("GL_OES_compressed_ETC1_RGB8_texture")));
 250   EXPECT_THAT(info_->extensions(),
 251               Not(HasSubstr("GL_AMD_compressed_ATC_texture")));
 252   EXPECT_THAT(info_->extensions(),
 253               Not(HasSubstr("GL_IMG_texture_compression_pvrtc")));
 254   EXPECT_FALSE(info_->feature_flags().npot_ok);
 255   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 256       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
 257   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 258       GL_COMPRESSED_RGBA_S3TC_DXT1_EXT));
 259   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 260       GL_COMPRESSED_RGBA_S3TC_DXT3_EXT));
 261   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 262       GL_COMPRESSED_RGBA_S3TC_DXT5_EXT));
 263   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 264       GL_ETC1_RGB8_OES));
 265   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 266       GL_ATC_RGB_AMD));
 267   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 268       GL_ATC_RGBA_EXPLICIT_ALPHA_AMD));
 269   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 270       GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD));
 271   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 272       GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG));
 273   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 274       GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG));
 275   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 276       GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG));
 277   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 278       GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG));
 279   EXPECT_FALSE(info_->validators()->read_pixel_format.IsValid(
 280       GL_BGRA_EXT));
 281   EXPECT_FALSE(info_->validators()->texture_parameter.IsValid(
 282       GL_TEXTURE_MAX_ANISOTROPY_EXT));
 283   EXPECT_FALSE(info_->validators()->g_l_state.IsValid(
 284       GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT));
 285   EXPECT_FALSE(info_->validators()->frame_buffer_target.IsValid(
 286       GL_READ_FRAMEBUFFER_EXT));
 287   EXPECT_FALSE(info_->validators()->frame_buffer_target.IsValid(
 288       GL_DRAW_FRAMEBUFFER_EXT));
 289   EXPECT_FALSE(info_->validators()->g_l_state.IsValid(
 290       GL_READ_FRAMEBUFFER_BINDING_EXT));
 291   EXPECT_FALSE(info_->validators()->render_buffer_parameter.IsValid(
 292       GL_MAX_SAMPLES_EXT));
 293   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 294       GL_DEPTH_COMPONENT));
 295   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 296   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 297   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 298   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
 299       GL_DEPTH24_STENCIL8));
 300   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 301       GL_DEPTH_STENCIL));
 302   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 303       GL_RGBA32F));
 304   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 305       GL_RGB32F));
 306   EXPECT_FALSE(info_->validators()->texture_format.IsValid(
 307       GL_DEPTH_STENCIL));
 308   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(
 309       GL_UNSIGNED_INT_24_8));
 310   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
 311       GL_DEPTH_COMPONENT24));
 312   EXPECT_FALSE(info_->validators()->texture_parameter.IsValid(
 313       GL_TEXTURE_USAGE_ANGLE));
 314   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 315       GL_DEPTH_COMPONENT16));
 316   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 317       GL_DEPTH_COMPONENT32_OES));
 318   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 319       GL_DEPTH24_STENCIL8_OES));
 320   EXPECT_FALSE(info_->validators()->equation.IsValid(GL_MIN_EXT));
 321   EXPECT_FALSE(info_->validators()->equation.IsValid(GL_MAX_EXT));
 322   EXPECT_FALSE(info_->feature_flags().chromium_sync_query);
 323 }
 324
 325 TEST_F(FeatureInfoTest, InitializeWithANGLE) {
 326   SetupInitExpectationsWithGLVersion("", kGLRendererStringANGLE, "");
 327   EXPECT_TRUE(info_->feature_flags().is_angle);
 328 }
 329
 330 TEST_F(FeatureInfoTest, InitializeNPOTExtensionGLES) {
 331   SetupInitExpectations("GL_OES_texture_npot");
 332   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_npot"));
 333   EXPECT_TRUE(info_->feature_flags().npot_ok);
 334 }
 335
 336 TEST_F(FeatureInfoTest, InitializeNPOTExtensionGL) {
 337   SetupInitExpectations("GL_ARB_texture_non_power_of_two");
 338   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_npot"));
 339   EXPECT_TRUE(info_->feature_flags().npot_ok);
 340 }
 341
 342 TEST_F(FeatureInfoTest, InitializeDXTExtensionGLES2) {
 343   SetupInitExpectations("GL_EXT_texture_compression_dxt1");
 344   EXPECT_THAT(info_->extensions(),
 345               HasSubstr("GL_EXT_texture_compression_dxt1"));
 346   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 347       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
 348   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 349       GL_COMPRESSED_RGBA_S3TC_DXT1_EXT));
 350   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 351       GL_COMPRESSED_RGBA_S3TC_DXT3_EXT));
 352   EXPECT_FALSE(info_->validators()->compressed_texture_format.IsValid(
 353       GL_COMPRESSED_RGBA_S3TC_DXT5_EXT));
 354 }
 355
 356 TEST_F(FeatureInfoTest, InitializeDXTExtensionGL) {
 357   SetupInitExpectations("GL_EXT_texture_compression_s3tc");
 358   EXPECT_THAT(info_->extensions(),
 359               HasSubstr("GL_EXT_texture_compression_dxt1"));
 360   EXPECT_THAT(info_->extensions(),
 361               HasSubstr("GL_CHROMIUM_texture_compression_dxt3"));
 362   EXPECT_THAT(info_->extensions(),
 363               HasSubstr("GL_CHROMIUM_texture_compression_dxt5"));
 364   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 365       GL_COMPRESSED_RGB_S3TC_DXT1_EXT));
 366   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 367       GL_COMPRESSED_RGBA_S3TC_DXT1_EXT));
 368   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 369       GL_COMPRESSED_RGBA_S3TC_DXT3_EXT));
 370   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
 371       GL_COMPRESSED_RGBA_S3TC_DXT5_EXT));
 372 }
 373
 374 TEST_F(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888GLES2) {
 375   SetupInitExpectations("GL_EXT_texture_format_BGRA8888");
 376   EXPECT_THAT(info_->extensions(),
 377               HasSubstr("GL_EXT_texture_format_BGRA8888"));
 378   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
 379       GL_BGRA_EXT));
 380   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 381       GL_BGRA_EXT));
 382   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_BGRA_EXT).IsValid(
 383       GL_UNSIGNED_BYTE));
 384   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
 385       GL_BGRA8_EXT));
 386 }
 387
 388 TEST_F(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888GL) {
 389   SetupInitExpectations("GL_EXT_bgra");
 390   EXPECT_THAT(info_->extensions(),
 391               HasSubstr("GL_EXT_texture_format_BGRA8888"));
 392   EXPECT_THAT(info_->extensions(),
 393               HasSubstr("GL_EXT_read_format_bgra"));
 394   EXPECT_THAT(info_->extensions(),
 395               HasSubstr("GL_CHROMIUM_renderbuffer_format_BGRA8888"));
 396   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
 397       GL_BGRA_EXT));
 398   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 399       GL_BGRA_EXT));
 400   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(
 401       GL_BGRA_EXT));
 402   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_BGRA_EXT).IsValid(
 403       GL_UNSIGNED_BYTE));
 404   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
 405       GL_BGRA8_EXT));
 406 }
 407
 408 TEST_F(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888Apple) {
 409   SetupInitExpectations("GL_APPLE_texture_format_BGRA8888");
 410   EXPECT_THAT(info_->extensions(),
 411               HasSubstr("GL_EXT_texture_format_BGRA8888"));
 412   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
 413       GL_BGRA_EXT));
 414   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 415       GL_BGRA_EXT));
 416   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_BGRA_EXT).IsValid(
 417       GL_UNSIGNED_BYTE));
 418   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
 419       GL_BGRA8_EXT));
 420 }
 421
 422 TEST_F(FeatureInfoTest, InitializeEXT_read_format_bgra) {
 423   SetupInitExpectations("GL_EXT_read_format_bgra");
 424   EXPECT_THAT(info_->extensions(),
 425               HasSubstr("GL_EXT_read_format_bgra"));
 426   EXPECT_FALSE(info_->validators()->texture_format.IsValid(
 427       GL_BGRA_EXT));
 428   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 429       GL_BGRA_EXT));
 430   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(
 431       GL_BGRA_EXT));
 432   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
 433       GL_BGRA8_EXT));
 434 }
 435
 436 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage) {
 437   SetupInitExpectations("GL_EXT_texture_storage");
 438   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);
 439   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 440   EXPECT_TRUE(info_->validators()->texture_parameter.IsValid(
 441       GL_TEXTURE_IMMUTABLE_FORMAT_EXT));
 442   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 443       GL_BGRA8_EXT));
 444   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 445       GL_RGBA32F_EXT));
 446   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 447       GL_RGB32F_EXT));
 448   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 449       GL_ALPHA32F_EXT));
 450   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 451       GL_LUMINANCE32F_EXT));
 452   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 453       GL_LUMINANCE_ALPHA32F_EXT));
 454   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 455       GL_RGBA16F_EXT));
 456   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 457       GL_RGB16F_EXT));
 458   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 459       GL_ALPHA16F_EXT));
 460   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 461       GL_LUMINANCE16F_EXT));
 462   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 463       GL_LUMINANCE_ALPHA16F_EXT));
 464 }
 465
 466 TEST_F(FeatureInfoTest, InitializeARB_texture_storage) {
 467   SetupInitExpectations("GL_ARB_texture_storage");
 468   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);
 469   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 470   EXPECT_TRUE(info_->validators()->texture_parameter.IsValid(
 471       GL_TEXTURE_IMMUTABLE_FORMAT_EXT));
 472 }
 473
 474 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage_BGRA) {
 475   SetupInitExpectations("GL_EXT_texture_storage GL_EXT_bgra");
 476   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);
 477   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 478   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 479       GL_BGRA8_EXT));
 480   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 481 }
 482
 483 TEST_F(FeatureInfoTest, InitializeARB_texture_storage_BGRA) {
 484   SetupInitExpectations("GL_ARB_texture_storage GL_EXT_bgra");
 485   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);
 486   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 487   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 488       GL_BGRA8_EXT));
 489   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 490 }
 491
 492 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage_BGRA8888) {
 493   SetupInitExpectations(
 494       "GL_EXT_texture_storage GL_EXT_texture_format_BGRA8888");
 495   EXPECT_TRUE(info_->feature_flags().ext_texture_storage);
 496   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 497   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 498   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 499       GL_BGRA8_EXT));
 500   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 501 }
 502
 503 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage_float) {
 504   SetupInitExpectations("GL_EXT_texture_storage GL_OES_texture_float");
 505   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 506   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_float"));
 507   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 508       GL_RGBA32F_EXT));
 509   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 510       GL_RGB32F_EXT));
 511   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 512       GL_ALPHA32F_EXT));
 513   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 514       GL_LUMINANCE32F_EXT));
 515   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 516       GL_LUMINANCE_ALPHA32F_EXT));
 517 }
 518
 519 TEST_F(FeatureInfoTest, InitializeEXT_texture_storage_half_float) {
 520   SetupInitExpectations("GL_EXT_texture_storage GL_OES_texture_half_float");
 521   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 522   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_half_float"));
 523   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 524       GL_RGBA16F_EXT));
 525   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 526       GL_RGB16F_EXT));
 527   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 528       GL_ALPHA16F_EXT));
 529   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 530       GL_LUMINANCE16F_EXT));
 531   EXPECT_TRUE(info_->validators()->texture_internal_format_storage.IsValid(
 532       GL_LUMINANCE_ALPHA16F_EXT));
 533 }
 534
 535 // Check how to handle ES, texture_storage and BGRA combination; 8 tests.
 536
 537 // 1- ES2 + GL_EXT_texture_storage -> GL_EXT_texture_storage (and no
 538 // GL_EXT_texture_format_BGRA8888 - we don't claim to handle GL_BGRA8 in
 539 // glTexStorage2DEXT)
 540 TEST_F(FeatureInfoTest, InitializeGLES2_texture_storage) {
 541   SetupInitExpectationsWithGLVersion(
 542       "GL_EXT_texture_storage", "", "OpenGL ES 2.0");
 543   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 544   EXPECT_THAT(info_->extensions(),
 545               Not(HasSubstr("GL_EXT_texture_format_BGRA8888")));
 546 }
 547
 548 // 2- ES2 + GL_EXT_texture_storage + (GL_EXT_texture_format_BGRA8888 or
 549 // GL_APPLE_texture_format_bgra8888)
 550 TEST_F(FeatureInfoTest, InitializeGLES2_texture_storage_BGRA) {
 551   SetupInitExpectationsWithGLVersion(
 552       "GL_EXT_texture_storage GL_EXT_texture_format_BGRA8888",
 553       "",
 554       "OpenGL ES 2.0");
 555   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 556   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 557 }
 558
 559 // 3- ES2 + GL_EXT_texture_format_BGRA8888 or GL_APPLE_texture_format_bgra8888
 560 TEST_F(FeatureInfoTest, InitializeGLES2_texture_format_BGRA) {
 561   SetupInitExpectationsWithGLVersion(
 562       "GL_EXT_texture_format_BGRA8888", "", "OpenGL ES 2.0");
 563   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_EXT_texture_storage")));
 564   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 565 }
 566
 567 // 4- ES2 (neither GL_EXT_texture_storage nor GL_EXT_texture_format_BGRA8888) ->
 568 // nothing
 569 TEST_F(FeatureInfoTest, InitializeGLES2_neither_texture_storage_nor_BGRA) {
 570   SetupInitExpectationsWithGLVersion("", "", "OpenGL ES 2.0");
 571   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_EXT_texture_storage")));
 572   EXPECT_THAT(info_->extensions(),
 573               Not(HasSubstr("GL_EXT_texture_format_BGRA8888")));
 574 }
 575
 576 // 5- ES3 + GL_EXT_texture_format_BGRA8888 -> GL_EXT_texture_format_BGRA8888
 577 // (we can't expose GL_EXT_texture_storage because we fail the GL_BGRA8
 578 // requirement)
 579 TEST_F(FeatureInfoTest, InitializeGLES3_texture_storage_EXT_BGRA) {
 580   SetupInitExpectationsWithGLVersion(
 581       "GL_EXT_texture_format_BGRA8888", "", "OpenGL ES 3.0");
 582   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_EXT_texture_storage")));
 583   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 584 }
 585
 586 // 6- ES3 + GL_APPLE_texture_format_bgra8888 -> GL_EXT_texture_storage +
 587 // GL_EXT_texture_format_BGRA8888 (driver promises to handle GL_BGRA8 by
 588 // exposing GL_APPLE_texture_format_bgra8888)
 589 TEST_F(FeatureInfoTest, InitializeGLES3_texture_storage_APPLE_BGRA) {
 590   SetupInitExpectationsWithGLVersion(
 591       "GL_APPLE_texture_format_BGRA8888", "", "OpenGL ES 3.0");
 592   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 593   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 594 }
 595
 596 // 7- ES3 + GL_EXT_texture_storage + GL_EXT_texture_format_BGRA8888 ->
 597 // GL_EXT_texture_storage + GL_EXT_texture_format_BGRA8888  (driver promises to
 598 // handle GL_BGRA8 by exposing GL_EXT_texture_storage)
 599 TEST_F(FeatureInfoTest, InitializeGLES3_EXT_texture_storage_EXT_BGRA) {
 600   SetupInitExpectationsWithGLVersion(
 601       "GL_EXT_texture_storage GL_EXT_texture_format_BGRA8888",
 602       "",
 603       "OpenGL ES 3.0");
 604   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 605   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_format_BGRA8888"));
 606 }
 607
 608 // 8- ES3 + none of the above -> GL_EXT_texture_storage (and no
 609 // GL_EXT_texture_format_BGRA8888 - we don't claim to handle GL_BGRA8)
 610 TEST_F(FeatureInfoTest, InitializeGLES3_texture_storage) {
 611   SetupInitExpectationsWithGLVersion("", "", "OpenGL ES 3.0");
 612   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_texture_storage"));
 613   EXPECT_THAT(info_->extensions(),
 614               Not(HasSubstr("GL_EXT_texture_format_BGRA8888")));
 615 }
 616
 617 TEST_F(FeatureInfoTest, InitializeARB_texture_float) {
 618   SetupInitExpectations("GL_ARB_texture_float");
 619   EXPECT_TRUE(info_->feature_flags().chromium_color_buffer_float_rgba);
 620   EXPECT_TRUE(info_->feature_flags().chromium_color_buffer_float_rgb);
 621   std::string extensions = info_->extensions() + " ";
 622   EXPECT_THAT(extensions, HasSubstr("GL_CHROMIUM_color_buffer_float_rgb "));
 623   EXPECT_THAT(extensions, HasSubstr("GL_CHROMIUM_color_buffer_float_rgba"));
 624   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 625       GL_RGBA32F));
 626   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 627       GL_RGB32F));
 628 }
 629
 630 TEST_F(FeatureInfoTest, InitializeOES_texture_floatGLES2) {
 631   SetupInitExpectations("GL_OES_texture_float");
 632   EXPECT_FALSE(info_->feature_flags().enable_texture_float_linear);
 633   EXPECT_FALSE(info_->feature_flags().enable_texture_half_float_linear);
 634   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_float"));
 635   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_OES_texture_half_float")));
 636   EXPECT_THAT(info_->extensions(),
 637               Not(HasSubstr("GL_OES_texture_float_linear")));
 638   EXPECT_THAT(info_->extensions(),
 639               Not(HasSubstr("GL_OES_texture_half_float_linear")));
 640   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_FLOAT));
 641   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_HALF_FLOAT_OES));
 642   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 643       GL_FLOAT));
 644   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 645       GL_FLOAT));
 646   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 647       GL_FLOAT));
 648   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 649       GL_FLOAT));
 650   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 651       GL_FLOAT));
 652   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 653       GL_HALF_FLOAT_OES));
 654   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 655       GL_HALF_FLOAT_OES));
 656   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 657       GL_HALF_FLOAT_OES));
 658   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 659       GL_HALF_FLOAT_OES));
 660   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 661       GL_HALF_FLOAT_OES));
 662 }
 663
 664 TEST_F(FeatureInfoTest, InitializeOES_texture_float_linearGLES2) {
 665   SetupInitExpectations("GL_OES_texture_float GL_OES_texture_float_linear");
 666   EXPECT_TRUE(info_->feature_flags().enable_texture_float_linear);
 667   EXPECT_FALSE(info_->feature_flags().enable_texture_half_float_linear);
 668   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_float"));
 669   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_OES_texture_half_float")));
 670   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_float_linear"));
 671   EXPECT_THAT(info_->extensions(),
 672               Not(HasSubstr("GL_OES_texture_half_float_linear")));
 673   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_FLOAT));
 674   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_HALF_FLOAT_OES));
 675   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 676       GL_FLOAT));
 677   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 678       GL_FLOAT));
 679   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 680       GL_FLOAT));
 681   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 682       GL_FLOAT));
 683   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 684       GL_FLOAT));
 685   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 686       GL_HALF_FLOAT_OES));
 687   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 688       GL_HALF_FLOAT_OES));
 689   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 690       GL_HALF_FLOAT_OES));
 691   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 692       GL_HALF_FLOAT_OES));
 693   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 694       GL_HALF_FLOAT_OES));
 695 }
 696
 697 TEST_F(FeatureInfoTest, InitializeOES_texture_half_floatGLES2) {
 698   SetupInitExpectations("GL_OES_texture_half_float");
 699   EXPECT_FALSE(info_->feature_flags().enable_texture_float_linear);
 700   EXPECT_FALSE(info_->feature_flags().enable_texture_half_float_linear);
 701   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_OES_texture_float")));
 702   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_half_float"));
 703   EXPECT_THAT(info_->extensions(),
 704               Not(HasSubstr("GL_OES_texture_float_linear")));
 705   EXPECT_THAT(info_->extensions(),
 706               Not(HasSubstr("GL_OES_texture_half_float_linear")));
 707   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_FLOAT));
 708   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_HALF_FLOAT_OES));
 709   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 710       GL_FLOAT));
 711   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 712       GL_FLOAT));
 713   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 714       GL_FLOAT));
 715   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 716       GL_FLOAT));
 717   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 718       GL_FLOAT));
 719   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 720       GL_HALF_FLOAT_OES));
 721   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 722       GL_HALF_FLOAT_OES));
 723   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 724       GL_HALF_FLOAT_OES));
 725   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 726       GL_HALF_FLOAT_OES));
 727   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 728       GL_HALF_FLOAT_OES));
 729 }
 730
 731 TEST_F(FeatureInfoTest, InitializeOES_texture_half_float_linearGLES2) {
 732   SetupInitExpectations(
 733       "GL_OES_texture_half_float GL_OES_texture_half_float_linear");
 734   EXPECT_FALSE(info_->feature_flags().enable_texture_float_linear);
 735   EXPECT_TRUE(info_->feature_flags().enable_texture_half_float_linear);
 736   EXPECT_THAT(info_->extensions(), Not(HasSubstr("GL_OES_texture_float")));
 737   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_texture_half_float"));
 738   EXPECT_THAT(info_->extensions(),
 739               Not(HasSubstr("GL_OES_texture_float_linear")));
 740   EXPECT_THAT(info_->extensions(),
 741               HasSubstr("GL_OES_texture_half_float_linear"));
 742   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_FLOAT));
 743   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_HALF_FLOAT_OES));
 744   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 745       GL_FLOAT));
 746   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 747       GL_FLOAT));
 748   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 749       GL_FLOAT));
 750   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 751       GL_FLOAT));
 752   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 753       GL_FLOAT));
 754   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_ALPHA).IsValid(
 755       GL_HALF_FLOAT_OES));
 756   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGB).IsValid(
 757       GL_HALF_FLOAT_OES));
 758   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_RGBA).IsValid(
 759       GL_HALF_FLOAT_OES));
 760   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE).IsValid(
 761       GL_HALF_FLOAT_OES));
 762   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_LUMINANCE_ALPHA).IsValid(
 763       GL_HALF_FLOAT_OES));
 764 }
 765
 766 TEST_F(FeatureInfoTest, InitializeEXT_framebuffer_multisample) {
 767   SetupInitExpectations("GL_EXT_framebuffer_multisample");
 768   EXPECT_TRUE(info_->feature_flags().chromium_framebuffer_multisample);
 769   EXPECT_THAT(info_->extensions(),
 770               HasSubstr("GL_CHROMIUM_framebuffer_multisample"));
 771   EXPECT_TRUE(info_->validators()->frame_buffer_target.IsValid(
 772       GL_READ_FRAMEBUFFER_EXT));
 773   EXPECT_TRUE(info_->validators()->frame_buffer_target.IsValid(
 774       GL_DRAW_FRAMEBUFFER_EXT));
 775   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 776       GL_READ_FRAMEBUFFER_BINDING_EXT));
 777   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 778       GL_MAX_SAMPLES_EXT));
 779   EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
 780       GL_RENDERBUFFER_SAMPLES_EXT));
 781 }
 782
 783 TEST_F(FeatureInfoTest, InitializeANGLE_framebuffer_multisample) {
 784   SetupInitExpectationsWithGLVersion(
 785       "GL_ANGLE_framebuffer_multisample", kGLRendererStringANGLE, "");
 786   EXPECT_TRUE(info_->feature_flags().chromium_framebuffer_multisample);
 787   EXPECT_THAT(info_->extensions(),
 788               HasSubstr("GL_CHROMIUM_framebuffer_multisample"));
 789   EXPECT_TRUE(info_->validators()->frame_buffer_target.IsValid(
 790       GL_READ_FRAMEBUFFER_EXT));
 791   EXPECT_TRUE(info_->validators()->frame_buffer_target.IsValid(
 792       GL_DRAW_FRAMEBUFFER_EXT));
 793   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 794       GL_READ_FRAMEBUFFER_BINDING_EXT));
 795   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 796       GL_MAX_SAMPLES_EXT));
 797   EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
 798       GL_RENDERBUFFER_SAMPLES_EXT));
 799 }
 800
 801 // We don't allow ANGLE_framebuffer_multisample on non-ANGLE implementations,
 802 // because we wouldn't be choosing the right driver entry point and because the
 803 // extension was falsely advertised on some Android devices (crbug.com/165736).
 804 TEST_F(FeatureInfoTest, InitializeANGLE_framebuffer_multisampleWithoutANGLE) {
 805   SetupInitExpectations("GL_ANGLE_framebuffer_multisample");
 806   EXPECT_FALSE(info_->feature_flags().chromium_framebuffer_multisample);
 807   EXPECT_THAT(info_->extensions(),
 808               Not(HasSubstr("GL_CHROMIUM_framebuffer_multisample")));
 809   EXPECT_FALSE(info_->validators()->frame_buffer_target.IsValid(
 810       GL_READ_FRAMEBUFFER_EXT));
 811   EXPECT_FALSE(info_->validators()->frame_buffer_target.IsValid(
 812       GL_DRAW_FRAMEBUFFER_EXT));
 813   EXPECT_FALSE(info_->validators()->g_l_state.IsValid(
 814       GL_READ_FRAMEBUFFER_BINDING_EXT));
 815   EXPECT_FALSE(info_->validators()->g_l_state.IsValid(
 816       GL_MAX_SAMPLES_EXT));
 817   EXPECT_FALSE(info_->validators()->render_buffer_parameter.IsValid(
 818       GL_RENDERBUFFER_SAMPLES_EXT));
 819 }
 820
 821 TEST_F(FeatureInfoTest, InitializeEXT_multisampled_render_to_texture) {
 822   SetupInitExpectations("GL_EXT_multisampled_render_to_texture");
 823   EXPECT_TRUE(info_->feature_flags(
 824       ).multisampled_render_to_texture);
 825   EXPECT_FALSE(info_->feature_flags(
 826       ).use_img_for_multisampled_render_to_texture);
 827   EXPECT_THAT(info_->extensions(),
 828               HasSubstr("GL_EXT_multisampled_render_to_texture"));
 829   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 830       GL_MAX_SAMPLES_EXT));
 831   EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
 832       GL_RENDERBUFFER_SAMPLES_EXT));
 833   EXPECT_TRUE(info_->validators()->frame_buffer_parameter.IsValid(
 834       GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT));
 835 }
 836
 837 TEST_F(FeatureInfoTest, InitializeIMG_multisampled_render_to_texture) {
 838   SetupInitExpectations("GL_IMG_multisampled_render_to_texture");
 839   EXPECT_TRUE(info_->feature_flags(
 840       ).multisampled_render_to_texture);
 841   EXPECT_TRUE(info_->feature_flags(
 842       ).use_img_for_multisampled_render_to_texture);
 843   EXPECT_THAT(info_->extensions(),
 844               HasSubstr("GL_EXT_multisampled_render_to_texture"));
 845   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 846       GL_MAX_SAMPLES_EXT));
 847   EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
 848       GL_RENDERBUFFER_SAMPLES_EXT));
 849   EXPECT_TRUE(info_->validators()->frame_buffer_parameter.IsValid(
 850       GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT));
 851 }
 852
 853 TEST_F(FeatureInfoTest, InitializeEXT_texture_filter_anisotropic) {
 854   SetupInitExpectations("GL_EXT_texture_filter_anisotropic");
 855   EXPECT_THAT(info_->extensions(),
 856               HasSubstr("GL_EXT_texture_filter_anisotropic"));
 857   EXPECT_TRUE(info_->validators()->texture_parameter.IsValid(
 858       GL_TEXTURE_MAX_ANISOTROPY_EXT));
 859   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 860       GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT));
 861 }
 862
 863 TEST_F(FeatureInfoTest, InitializeEXT_ARB_depth_texture) {
 864   SetupInitExpectations("GL_ARB_depth_texture");
 865   EXPECT_THAT(info_->extensions(),
 866               HasSubstr("GL_GOOGLE_depth_texture"));
 867   EXPECT_THAT(info_->extensions(),
 868               HasSubstr("GL_CHROMIUM_depth_texture"));
 869   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 870       GL_DEPTH_COMPONENT));
 871   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 872   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_STENCIL));
 873   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 874   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 875   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 876       GL_UNSIGNED_SHORT));
 877   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 878       GL_UNSIGNED_INT));
 879   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_DEPTH_STENCIL).IsValid(
 880       GL_UNSIGNED_INT_24_8));
 881 }
 882
 883 TEST_F(FeatureInfoTest, InitializeOES_ARB_depth_texture) {
 884   SetupInitExpectations("GL_OES_depth_texture");
 885   EXPECT_THAT(info_->extensions(),
 886               HasSubstr("GL_GOOGLE_depth_texture"));
 887   EXPECT_THAT(info_->extensions(),
 888               HasSubstr("GL_CHROMIUM_depth_texture"));
 889   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 890       GL_DEPTH_COMPONENT));
 891   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 892   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_STENCIL));
 893   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 894   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 895   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 896       GL_UNSIGNED_SHORT));
 897   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 898       GL_UNSIGNED_INT));
 899   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_DEPTH_STENCIL).IsValid(
 900       GL_UNSIGNED_INT_24_8));
 901 }
 902
 903 TEST_F(FeatureInfoTest, InitializeANGLE_depth_texture) {
 904   SetupInitExpectations("GL_ANGLE_depth_texture");
 905   EXPECT_THAT(info_->extensions(),
 906               HasSubstr("GL_GOOGLE_depth_texture"));
 907   EXPECT_THAT(info_->extensions(),
 908               HasSubstr("GL_CHROMIUM_depth_texture"));
 909   EXPECT_THAT(info_->extensions(),
 910               Not(HasSubstr("GL_ANGLE_depth_texture")));
 911   EXPECT_TRUE(info_->feature_flags().angle_depth_texture);
 912   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 913       GL_DEPTH_COMPONENT));
 914   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 915   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_STENCIL));
 916   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 917   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 918   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 919       GL_DEPTH_COMPONENT16));
 920   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 921       GL_DEPTH_COMPONENT32_OES));
 922   EXPECT_FALSE(info_->validators()->texture_internal_format_storage.IsValid(
 923       GL_DEPTH24_STENCIL8_OES));
 924   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 925       GL_UNSIGNED_SHORT));
 926   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 927       GL_UNSIGNED_INT));
 928   EXPECT_FALSE(info_->GetTextureFormatValidator(GL_DEPTH_STENCIL).IsValid(
 929       GL_UNSIGNED_INT_24_8));
 930 }
 931
 932 TEST_F(FeatureInfoTest, InitializeEXT_packed_depth_stencil) {
 933   SetupInitExpectations("GL_EXT_packed_depth_stencil");
 934   EXPECT_THAT(info_->extensions(),
 935               HasSubstr("GL_OES_packed_depth_stencil"));
 936   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
 937       GL_DEPTH24_STENCIL8));
 938   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 939       GL_DEPTH_COMPONENT));
 940   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 941   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 942   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 943 }
 944
 945 TEST_F(FeatureInfoTest, InitializeOES_packed_depth_stencil) {
 946   SetupInitExpectations("GL_OES_packed_depth_stencil");
 947   EXPECT_THAT(info_->extensions(),
 948               HasSubstr("GL_OES_packed_depth_stencil"));
 949   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
 950       GL_DEPTH24_STENCIL8));
 951   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
 952       GL_DEPTH_COMPONENT));
 953   EXPECT_FALSE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
 954   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
 955   EXPECT_FALSE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
 956 }
 957
 958 TEST_F(FeatureInfoTest,
 959        InitializeOES_packed_depth_stencil_and_GL_ARB_depth_texture) {
 960   SetupInitExpectations("GL_OES_packed_depth_stencil GL_ARB_depth_texture");
 961   EXPECT_THAT(info_->extensions(),
 962               HasSubstr("GL_OES_packed_depth_stencil"));
 963   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
 964       GL_DEPTH24_STENCIL8));
 965   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
 966       GL_DEPTH_STENCIL));
 967   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
 968       GL_DEPTH_STENCIL));
 969   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(
 970       GL_UNSIGNED_INT_24_8));
 971   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 972       GL_UNSIGNED_SHORT));
 973   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT).IsValid(
 974       GL_UNSIGNED_INT));
 975   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_STENCIL).IsValid(
 976       GL_UNSIGNED_INT_24_8));
 977 }
 978
 979 TEST_F(FeatureInfoTest, InitializeOES_depth24) {
 980   SetupInitExpectations("GL_OES_depth24");
 981   EXPECT_TRUE(info_->feature_flags().oes_depth24);
 982   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_depth24"));
 983   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
 984       GL_DEPTH_COMPONENT24));
 985 }
 986
 987 TEST_F(FeatureInfoTest, InitializeOES_standard_derivatives) {
 988   SetupInitExpectations("GL_OES_standard_derivatives");
 989   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_standard_derivatives"));
 990   EXPECT_TRUE(info_->feature_flags().oes_standard_derivatives);
 991   EXPECT_TRUE(info_->validators()->hint_target.IsValid(
 992       GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES));
 993   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
 994       GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES));
 995 }
 996
 997 TEST_F(FeatureInfoTest, InitializeOES_rgb8_rgba8) {
 998   SetupInitExpectations("GL_OES_rgb8_rgba8");
 999   EXPECT_THAT(info_->extensions(),
1000               HasSubstr("GL_OES_rgb8_rgba8"));
1001   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
1002       GL_RGB8_OES));
1003   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
1004       GL_RGBA8_OES));
1005 }
1006
1007 TEST_F(FeatureInfoTest, InitializeOES_EGL_image_external) {
1008   SetupInitExpectations("GL_OES_EGL_image_external");
1009   EXPECT_THAT(info_->extensions(),
1010               HasSubstr("GL_OES_EGL_image_external"));
1011   EXPECT_TRUE(info_->feature_flags().oes_egl_image_external);
1012   EXPECT_TRUE(info_->validators()->texture_bind_target.IsValid(
1013       GL_TEXTURE_EXTERNAL_OES));
1014   EXPECT_TRUE(info_->validators()->get_tex_param_target.IsValid(
1015       GL_TEXTURE_EXTERNAL_OES));
1016   EXPECT_TRUE(info_->validators()->texture_parameter.IsValid(
1017       GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES));
1018   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
1019       GL_TEXTURE_BINDING_EXTERNAL_OES));
1020 }
1021
1022 TEST_F(FeatureInfoTest, InitializeOES_compressed_ETC1_RGB8_texture) {
1023   SetupInitExpectations("GL_OES_compressed_ETC1_RGB8_texture");
1024   EXPECT_THAT(info_->extensions(),
1025               HasSubstr("GL_OES_compressed_ETC1_RGB8_texture"));
1026   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1027       GL_ETC1_RGB8_OES));
1028   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
1029       GL_ETC1_RGB8_OES));
1030 }
1031
1032 TEST_F(FeatureInfoTest, InitializeAMD_compressed_ATC_texture) {
1033   SetupInitExpectations("GL_AMD_compressed_ATC_texture");
1034   EXPECT_THAT(info_->extensions(),
1035               HasSubstr("GL_AMD_compressed_ATC_texture"));
1036   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1037       GL_ATC_RGB_AMD));
1038   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1039       GL_ATC_RGBA_EXPLICIT_ALPHA_AMD));
1040   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1041       GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD));
1042 }
1043
1044 TEST_F(FeatureInfoTest, InitializeIMG_texture_compression_pvrtc) {
1045   SetupInitExpectations("GL_IMG_texture_compression_pvrtc");
1046   EXPECT_THAT(info_->extensions(),
1047               HasSubstr("GL_IMG_texture_compression_pvrtc"));
1048   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1049       GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG));
1050   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1051       GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG));
1052   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1053       GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG));
1054   EXPECT_TRUE(info_->validators()->compressed_texture_format.IsValid(
1055       GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG));
1056 }
1057
1058 TEST_F(FeatureInfoTest, InitializeEXT_occlusion_query_boolean) {
1059   SetupInitExpectations("GL_EXT_occlusion_query_boolean");
1060   EXPECT_THAT(info_->extensions(),
1061               HasSubstr("GL_EXT_occlusion_query_boolean"));
1062   EXPECT_TRUE(info_->feature_flags().occlusion_query_boolean);
1063   EXPECT_FALSE(info_->feature_flags(
1064       ).use_arb_occlusion_query2_for_occlusion_query_boolean);
1065   EXPECT_FALSE(info_->feature_flags(
1066       ).use_arb_occlusion_query_for_occlusion_query_boolean);
1067 }
1068
1069 TEST_F(FeatureInfoTest, InitializeARB_occlusion_query) {
1070   SetupInitExpectations("GL_ARB_occlusion_query");
1071   EXPECT_THAT(info_->extensions(),
1072               HasSubstr("GL_EXT_occlusion_query_boolean"));
1073   EXPECT_TRUE(info_->feature_flags().occlusion_query_boolean);
1074   EXPECT_FALSE(info_->feature_flags(
1075       ).use_arb_occlusion_query2_for_occlusion_query_boolean);
1076   EXPECT_TRUE(info_->feature_flags(
1077       ).use_arb_occlusion_query_for_occlusion_query_boolean);
1078 }
1079
1080 TEST_F(FeatureInfoTest, InitializeARB_occlusion_query2) {
1081   SetupInitExpectations("GL_ARB_occlusion_query2 GL_ARB_occlusion_query2");
1082   EXPECT_THAT(info_->extensions(),
1083               HasSubstr("GL_EXT_occlusion_query_boolean"));
1084   EXPECT_TRUE(info_->feature_flags().occlusion_query_boolean);
1085   EXPECT_TRUE(info_->feature_flags(
1086       ).use_arb_occlusion_query2_for_occlusion_query_boolean);
1087   EXPECT_FALSE(info_->feature_flags(
1088       ).use_arb_occlusion_query_for_occlusion_query_boolean);
1089 }
1090
1091 TEST_F(FeatureInfoTest, InitializeOES_vertex_array_object) {
1092   SetupInitExpectations("GL_OES_vertex_array_object");
1093   EXPECT_THAT(info_->extensions(),
1094       HasSubstr("GL_OES_vertex_array_object"));
1095   EXPECT_TRUE(info_->feature_flags().native_vertex_array_object);
1096 }
1097
1098 TEST_F(FeatureInfoTest, InitializeARB_vertex_array_object) {
1099   SetupInitExpectations("GL_ARB_vertex_array_object");
1100   EXPECT_THAT(info_->extensions(),
1101       HasSubstr("GL_OES_vertex_array_object"));
1102   EXPECT_TRUE(info_->feature_flags().native_vertex_array_object);
1103 }
1104
1105 TEST_F(FeatureInfoTest, InitializeAPPLE_vertex_array_object) {
1106   SetupInitExpectations("GL_APPLE_vertex_array_object");
1107   EXPECT_THAT(info_->extensions(),
1108       HasSubstr("GL_OES_vertex_array_object"));
1109   EXPECT_TRUE(info_->feature_flags().native_vertex_array_object);
1110 }
1111
1112 TEST_F(FeatureInfoTest, InitializeNo_vertex_array_object) {
1113   SetupInitExpectations("");
1114   // Even if the native extensions are not available the implementation
1115   // may still emulate the GL_OES_vertex_array_object functionality. In this
1116   // scenario native_vertex_array_object must be false.
1117   EXPECT_THAT(info_->extensions(),
1118               HasSubstr("GL_OES_vertex_array_object"));
1119   EXPECT_FALSE(info_->feature_flags().native_vertex_array_object);
1120 }
1121
1122 TEST_F(FeatureInfoTest, InitializeOES_element_index_uint) {
1123   SetupInitExpectations("GL_OES_element_index_uint");
1124   EXPECT_THAT(info_->extensions(),
1125               HasSubstr("GL_OES_element_index_uint"));
1126   EXPECT_TRUE(info_->validators()->index_type.IsValid(GL_UNSIGNED_INT));
1127 }
1128
1129 TEST_F(FeatureInfoTest, InitializeVAOsWithClientSideArrays) {
1130   CommandLine command_line(0, NULL);
1131   command_line.AppendSwitchASCII(
1132       switches::kGpuDriverBugWorkarounds,
1133       base::IntToString(gpu::USE_CLIENT_SIDE_ARRAYS_FOR_STREAM_BUFFERS));
1134   SetupInitExpectationsWithCommandLine("GL_OES_vertex_array_object",
1135                                        command_line);
1136   EXPECT_TRUE(info_->workarounds().use_client_side_arrays_for_stream_buffers);
1137   EXPECT_FALSE(info_->feature_flags().native_vertex_array_object);
1138 }
1139
1140 TEST_F(FeatureInfoTest, InitializeEXT_blend_minmax) {
1141   SetupInitExpectations("GL_EXT_blend_minmax");
1142   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_blend_minmax"));
1143   EXPECT_TRUE(info_->validators()->equation.IsValid(GL_MIN_EXT));
1144   EXPECT_TRUE(info_->validators()->equation.IsValid(GL_MAX_EXT));
1145 }
1146
1147 TEST_F(FeatureInfoTest, InitializeEXT_frag_depth) {
1148   SetupInitExpectations("GL_EXT_frag_depth");
1149   EXPECT_TRUE(info_->feature_flags().ext_frag_depth);
1150   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_frag_depth"));
1151 }
1152
1153 TEST_F(FeatureInfoTest, InitializeEXT_shader_texture_lod) {
1154   SetupInitExpectations("GL_EXT_shader_texture_lod");
1155   EXPECT_TRUE(info_->feature_flags().ext_shader_texture_lod);
1156   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_shader_texture_lod"));
1157 }
1158
1159 TEST_F(FeatureInfoTest, InitializeEXT_discard_framebuffer) {
1160   SetupInitExpectations("GL_EXT_discard_framebuffer");
1161   EXPECT_TRUE(info_->feature_flags().ext_discard_framebuffer);
1162   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_discard_framebuffer"));
1163 }
1164
1165 TEST_F(FeatureInfoTest, InitializeSamplersWithARBSamplerObjects) {
1166   SetupInitExpectationsWithGLVersion(
1167       "GL_ARB_sampler_objects", "", "OpenGL 3.0");
1168   EXPECT_TRUE(info_->feature_flags().enable_samplers);
1169 }
1170
1171 TEST_F(FeatureInfoTest, InitializeWithES3) {
1172   SetupInitExpectationsWithGLVersion("", "", "OpenGL ES 3.0");
1173   EXPECT_TRUE(info_->feature_flags().chromium_framebuffer_multisample);
1174   EXPECT_TRUE(info_->feature_flags().use_core_framebuffer_multisample);
1175   EXPECT_THAT(info_->extensions(),
1176               HasSubstr("GL_CHROMIUM_framebuffer_multisample"));
1177   EXPECT_TRUE(info_->feature_flags().use_async_readpixels);
1178   EXPECT_TRUE(info_->feature_flags().oes_standard_derivatives);
1179   EXPECT_TRUE(info_->feature_flags().oes_depth24);
1180   EXPECT_THAT(info_->extensions(), HasSubstr("GL_GOOGLE_depth_texture"));
1181   EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_depth_texture"));
1182   EXPECT_TRUE(
1183       info_->validators()->texture_internal_format.IsValid(GL_DEPTH_COMPONENT));
1184   EXPECT_TRUE(
1185       info_->validators()->texture_internal_format.IsValid(GL_DEPTH_STENCIL));
1186   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_COMPONENT));
1187   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_STENCIL));
1188   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_SHORT));
1189   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT));
1190   EXPECT_TRUE(info_->validators()->pixel_type.IsValid(GL_UNSIGNED_INT_24_8));
1191   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT)
1192                   .IsValid(GL_UNSIGNED_SHORT));
1193   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_COMPONENT)
1194                   .IsValid(GL_UNSIGNED_INT));
1195   EXPECT_TRUE(info_->GetTextureFormatValidator(GL_DEPTH_STENCIL)
1196                   .IsValid(GL_UNSIGNED_INT_24_8));
1197   EXPECT_TRUE(info_->feature_flags().packed_depth24_stencil8);
1198   EXPECT_THAT(info_->extensions(), HasSubstr("GL_OES_depth24"));
1199   EXPECT_TRUE(
1200       info_->validators()->render_buffer_format.IsValid(GL_DEPTH_COMPONENT24));
1201   EXPECT_TRUE(
1202       info_->validators()->render_buffer_format.IsValid(GL_DEPTH24_STENCIL8));
1203   EXPECT_TRUE(
1204       info_->validators()->texture_internal_format.IsValid(GL_DEPTH_STENCIL));
1205   EXPECT_TRUE(info_->validators()->texture_format.IsValid(GL_DEPTH_STENCIL));
1206   EXPECT_TRUE(info_->feature_flags().npot_ok);
1207   EXPECT_TRUE(info_->feature_flags().native_vertex_array_object);
1208   EXPECT_TRUE(info_->feature_flags().enable_samplers);
1209   EXPECT_TRUE(info_->feature_flags().map_buffer_range);
1210   EXPECT_TRUE(info_->feature_flags().ext_discard_framebuffer);
1211   EXPECT_THAT(info_->extensions(), HasSubstr("GL_EXT_discard_framebuffer"));
1212   EXPECT_TRUE(info_->feature_flags().chromium_sync_query);
1213   EXPECT_TRUE(gfx::GLFence::IsSupported());
1214 }
1215
1216 TEST_F(FeatureInfoTest, InitializeWithoutSamplers) {
1217   SetupInitExpectationsWithGLVersion("", "", "OpenGL GL 3.0");
1218   EXPECT_FALSE(info_->feature_flags().enable_samplers);
1219 }
1220
1221 TEST_F(FeatureInfoTest, ParseDriverBugWorkaroundsSingle) {
1222   CommandLine command_line(0, NULL);
1223   command_line.AppendSwitchASCII(
1224       switches::kGpuDriverBugWorkarounds,
1225       base::IntToString(gpu::EXIT_ON_CONTEXT_LOST));
1226   // Workarounds should get parsed without the need for a context.
1227   SetupWithCommandLine(command_line);
1228   EXPECT_TRUE(info_->workarounds().exit_on_context_lost);
1229 }
1230
1231 TEST_F(FeatureInfoTest, ParseDriverBugWorkaroundsMultiple) {
1232   CommandLine command_line(0, NULL);
1233   command_line.AppendSwitchASCII(
1234       switches::kGpuDriverBugWorkarounds,
1235       base::IntToString(gpu::EXIT_ON_CONTEXT_LOST) + "," +
1236       base::IntToString(gpu::MAX_CUBE_MAP_TEXTURE_SIZE_LIMIT_1024) + "," +
1237       base::IntToString(gpu::MAX_TEXTURE_SIZE_LIMIT_4096));
1238   // Workarounds should get parsed without the need for a context.
1239   SetupWithCommandLine(command_line);
1240   EXPECT_TRUE(info_->workarounds().exit_on_context_lost);
1241   EXPECT_EQ(1024, info_->workarounds().max_cube_map_texture_size);
1242   EXPECT_EQ(4096, info_->workarounds().max_texture_size);
1243 }
1244
1245 TEST_F(FeatureInfoTest, InitializeWithARBSync) {
1246   SetupInitExpectations("GL_ARB_sync");
1247   EXPECT_TRUE(info_->feature_flags().chromium_sync_query);
1248   EXPECT_TRUE(gfx::GLFence::IsSupported());
1249 }
1250
1251 TEST_F(FeatureInfoTest, InitializeWithNVFence) {
1252   SetupInitExpectations("GL_NV_fence");
1253   EXPECT_TRUE(info_->feature_flags().chromium_sync_query);
1254   EXPECT_TRUE(gfx::GLFence::IsSupported());
1255 }
1256
1257 TEST_F(FeatureInfoTest, ARBSyncDisabled) {
1258   CommandLine command_line(0, NULL);
1259   command_line.AppendSwitchASCII(
1260       switches::kGpuDriverBugWorkarounds,
1261       base::IntToString(gpu::DISABLE_ARB_SYNC));
1262   SetupInitExpectationsWithCommandLine("GL_ARB_sync", command_line);
1263   EXPECT_FALSE(info_->feature_flags().chromium_sync_query);
1264   EXPECT_FALSE(gfx::GLFence::IsSupported());
1265 }
1266
1267 TEST_F(FeatureInfoTest, InitializeCHROMIUM_path_rendering) {
1268   SetupInitExpectationsWithGLVersion(
1269       "GL_NV_path_rendering GL_EXT_direct_state_access", "", "4.3");
1270   EXPECT_TRUE(info_->feature_flags().chromium_path_rendering);
1271   EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_path_rendering"));
1272 }
1273
1274 TEST_F(FeatureInfoTest, InitializeCHROMIUM_path_rendering2) {
1275   SetupInitExpectationsWithGLVersion(
1276       "GL_NV_path_rendering", "", "OpenGL ES 3.1");
1277   EXPECT_TRUE(info_->feature_flags().chromium_path_rendering);
1278   EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_path_rendering"));
1279 }
1280
1281 TEST_F(FeatureInfoTest, InitializeNoCHROMIUM_path_rendering) {
1282   SetupInitExpectationsWithGLVersion("", "", "4.3");
1283   EXPECT_FALSE(info_->feature_flags().chromium_path_rendering);
1284   EXPECT_THAT(info_->extensions(),
1285               Not(HasSubstr("GL_CHROMIUM_path_rendering")));
1286 }
1287
1288 TEST_F(FeatureInfoTest, InitializeNoCHROMIUM_path_rendering2) {
1289   SetupInitExpectationsWithGLVersion("GL_NV_path_rendering", "", "4.3");
1290   EXPECT_FALSE(info_->feature_flags().chromium_path_rendering);
1291   EXPECT_THAT(info_->extensions(),
1292               Not(HasSubstr("GL_CHROMIUM_path_rendering")));
1293 }
1294
1295 }  // namespace gles2
1296 }  // namespace gpu