src/gpu/command_buffer/service/test_helper.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/test_helper.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9
  10 #include "base/strings/string_number_conversions.h"
  11 #include "base/strings/string_tokenizer.h"
  12 #include "gpu/command_buffer/service/buffer_manager.h"
  13 #include "gpu/command_buffer/service/error_state_mock.h"
  14 #include "gpu/command_buffer/service/gl_utils.h"
  15 #include "gpu/command_buffer/service/gpu_switches.h"
  16 #include "gpu/command_buffer/service/program_manager.h"
  17 #include "gpu/command_buffer/service/texture_manager.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19 #include "ui/gl/gl_mock.h"
  20
  21 using ::testing::_;
  22 using ::testing::DoAll;
  23 using ::testing::InSequence;
  24 using ::testing::MatcherCast;
  25 using ::testing::Pointee;
  26 using ::testing::Return;
  27 using ::testing::SetArrayArgument;
  28 using ::testing::SetArgumentPointee;
  29 using ::testing::StrEq;
  30 using ::testing::StrictMock;
  31
  32 namespace gpu {
  33 namespace gles2 {
  34
  35 // GCC requires these declarations, but MSVC requires they not be present
  36 #ifndef COMPILER_MSVC
  37 const GLuint TestHelper::kServiceBlackTexture2dId;
  38 const GLuint TestHelper::kServiceDefaultTexture2dId;
  39 const GLuint TestHelper::kServiceBlackTextureCubemapId;
  40 const GLuint TestHelper::kServiceDefaultTextureCubemapId;
  41 const GLuint TestHelper::kServiceBlackExternalTextureId;
  42 const GLuint TestHelper::kServiceDefaultExternalTextureId;
  43 const GLuint TestHelper::kServiceBlackRectangleTextureId;
  44 const GLuint TestHelper::kServiceDefaultRectangleTextureId;
  45
  46 const GLint TestHelper::kMaxSamples;
  47 const GLint TestHelper::kMaxRenderbufferSize;
  48 const GLint TestHelper::kMaxTextureSize;
  49 const GLint TestHelper::kMaxCubeMapTextureSize;
  50 const GLint TestHelper::kNumVertexAttribs;
  51 const GLint TestHelper::kNumTextureUnits;
  52 const GLint TestHelper::kMaxTextureImageUnits;
  53 const GLint TestHelper::kMaxVertexTextureImageUnits;
  54 const GLint TestHelper::kMaxFragmentUniformVectors;
  55 const GLint TestHelper::kMaxFragmentUniformComponents;
  56 const GLint TestHelper::kMaxVaryingVectors;
  57 const GLint TestHelper::kMaxVaryingFloats;
  58 const GLint TestHelper::kMaxVertexUniformVectors;
  59 const GLint TestHelper::kMaxVertexUniformComponents;
  60 #endif
  61
  62 void TestHelper::SetupTextureInitializationExpectations(
  63     ::gfx::MockGLInterface* gl,
  64     GLenum target,
  65     bool use_default_textures) {
  66   InSequence sequence;
  67
  68   bool needs_initialization = (target != GL_TEXTURE_EXTERNAL_OES);
  69   bool needs_faces = (target == GL_TEXTURE_CUBE_MAP);
  70
  71   static GLuint texture_2d_ids[] = {
  72     kServiceBlackTexture2dId,
  73     kServiceDefaultTexture2dId };
  74   static GLuint texture_cube_map_ids[] = {
  75     kServiceBlackTextureCubemapId,
  76     kServiceDefaultTextureCubemapId };
  77   static GLuint texture_external_oes_ids[] = {
  78     kServiceBlackExternalTextureId,
  79     kServiceDefaultExternalTextureId };
  80   static GLuint texture_rectangle_arb_ids[] = {
  81     kServiceBlackRectangleTextureId,
  82     kServiceDefaultRectangleTextureId };
  83
  84   const GLuint* texture_ids = NULL;
  85   switch (target) {
  86     case GL_TEXTURE_2D:
  87       texture_ids = &texture_2d_ids[0];
  88       break;
  89     case GL_TEXTURE_CUBE_MAP:
  90       texture_ids = &texture_cube_map_ids[0];
  91       break;
  92     case GL_TEXTURE_EXTERNAL_OES:
  93       texture_ids = &texture_external_oes_ids[0];
  94       break;
  95     case GL_TEXTURE_RECTANGLE_ARB:
  96       texture_ids = &texture_rectangle_arb_ids[0];
  97       break;
  98     default:
  99       NOTREACHED();
 100   }
 101
 102   int array_size = use_default_textures ? 2 : 1;
 103
 104   EXPECT_CALL(*gl, GenTextures(array_size, _))
 105       .WillOnce(SetArrayArgument<1>(texture_ids,
 106                                     texture_ids + array_size))
 107           .RetiresOnSaturation();
 108   for (int ii = 0; ii < array_size; ++ii) {
 109     EXPECT_CALL(*gl, BindTexture(target, texture_ids[ii]))
 110         .Times(1)
 111         .RetiresOnSaturation();
 112     if (needs_initialization) {
 113       if (needs_faces) {
 114         static GLenum faces[] = {
 115           GL_TEXTURE_CUBE_MAP_POSITIVE_X,
 116           GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
 117           GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
 118           GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
 119           GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
 120           GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
 121         };
 122         for (size_t ii = 0; ii < arraysize(faces); ++ii) {
 123           EXPECT_CALL(*gl, TexImage2D(faces[ii], 0, GL_RGBA, 1, 1, 0, GL_RGBA,
 124                                       GL_UNSIGNED_BYTE, _))
 125               .Times(1)
 126               .RetiresOnSaturation();
 127         }
 128       } else {
 129         EXPECT_CALL(*gl, TexImage2D(target, 0, GL_RGBA, 1, 1, 0, GL_RGBA,
 130                                     GL_UNSIGNED_BYTE, _))
 131             .Times(1)
 132             .RetiresOnSaturation();
 133       }
 134     }
 135   }
 136   EXPECT_CALL(*gl, BindTexture(target, 0))
 137       .Times(1)
 138       .RetiresOnSaturation();
 139 }
 140
 141 void TestHelper::SetupTextureManagerInitExpectations(
 142     ::gfx::MockGLInterface* gl,
 143     const char* extensions,
 144     bool use_default_textures) {
 145   InSequence sequence;
 146
 147   SetupTextureInitializationExpectations(
 148       gl, GL_TEXTURE_2D, use_default_textures);
 149   SetupTextureInitializationExpectations(
 150       gl, GL_TEXTURE_CUBE_MAP, use_default_textures);
 151
 152   bool ext_image_external = false;
 153   bool arb_texture_rectangle = false;
 154   base::CStringTokenizer t(extensions, extensions + strlen(extensions), " ");
 155   while (t.GetNext()) {
 156     if (t.token() == "GL_OES_EGL_image_external") {
 157       ext_image_external = true;
 158       break;
 159     }
 160     if (t.token() == "GL_ARB_texture_rectangle") {
 161       arb_texture_rectangle = true;
 162       break;
 163     }
 164   }
 165
 166   if (ext_image_external) {
 167     SetupTextureInitializationExpectations(
 168         gl, GL_TEXTURE_EXTERNAL_OES, use_default_textures);
 169   }
 170   if (arb_texture_rectangle) {
 171     SetupTextureInitializationExpectations(
 172         gl, GL_TEXTURE_RECTANGLE_ARB, use_default_textures);
 173   }
 174 }
 175
 176 void TestHelper::SetupTextureDestructionExpectations(
 177     ::gfx::MockGLInterface* gl,
 178     GLenum target,
 179     bool use_default_textures) {
 180   if (!use_default_textures)
 181     return;
 182
 183   GLuint texture_id = 0;
 184   switch (target) {
 185     case GL_TEXTURE_2D:
 186       texture_id = kServiceDefaultTexture2dId;
 187       break;
 188     case GL_TEXTURE_CUBE_MAP:
 189       texture_id = kServiceDefaultTextureCubemapId;
 190       break;
 191     case GL_TEXTURE_EXTERNAL_OES:
 192       texture_id = kServiceDefaultExternalTextureId;
 193       break;
 194     case GL_TEXTURE_RECTANGLE_ARB:
 195       texture_id = kServiceDefaultRectangleTextureId;
 196       break;
 197     default:
 198       NOTREACHED();
 199   }
 200
 201   EXPECT_CALL(*gl, DeleteTextures(1, Pointee(texture_id)))
 202       .Times(1)
 203       .RetiresOnSaturation();
 204 }
 205
 206 void TestHelper::SetupTextureManagerDestructionExpectations(
 207     ::gfx::MockGLInterface* gl,
 208     const char* extensions,
 209     bool use_default_textures) {
 210   SetupTextureDestructionExpectations(gl, GL_TEXTURE_2D, use_default_textures);
 211   SetupTextureDestructionExpectations(
 212       gl, GL_TEXTURE_CUBE_MAP, use_default_textures);
 213
 214   bool ext_image_external = false;
 215   bool arb_texture_rectangle = false;
 216   base::CStringTokenizer t(extensions, extensions + strlen(extensions), " ");
 217   while (t.GetNext()) {
 218     if (t.token() == "GL_OES_EGL_image_external") {
 219       ext_image_external = true;
 220       break;
 221     }
 222     if (t.token() == "GL_ARB_texture_rectangle") {
 223       arb_texture_rectangle = true;
 224       break;
 225     }
 226   }
 227
 228   if (ext_image_external) {
 229     SetupTextureDestructionExpectations(
 230         gl, GL_TEXTURE_EXTERNAL_OES, use_default_textures);
 231   }
 232   if (arb_texture_rectangle) {
 233     SetupTextureDestructionExpectations(
 234         gl, GL_TEXTURE_RECTANGLE_ARB, use_default_textures);
 235   }
 236
 237   EXPECT_CALL(*gl, DeleteTextures(4, _))
 238       .Times(1)
 239       .RetiresOnSaturation();
 240 }
 241
 242 void TestHelper::SetupContextGroupInitExpectations(
 243     ::gfx::MockGLInterface* gl,
 244     const DisallowedFeatures& disallowed_features,
 245     const char* extensions,
 246     const char* gl_version,
 247     bool bind_generates_resource) {
 248   InSequence sequence;
 249
 250   SetupFeatureInfoInitExpectationsWithGLVersion(gl, extensions, "", gl_version);
 251
 252   std::string l_version(base::StringToLowerASCII(std::string(gl_version)));
 253   bool is_es3 = (l_version.substr(0, 12) == "opengl es 3.");
 254
 255   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_RENDERBUFFER_SIZE, _))
 256       .WillOnce(SetArgumentPointee<1>(kMaxRenderbufferSize))
 257       .RetiresOnSaturation();
 258   if (strstr(extensions, "GL_EXT_framebuffer_multisample") ||
 259       strstr(extensions, "GL_EXT_multisampled_render_to_texture") || is_es3) {
 260     EXPECT_CALL(*gl, GetIntegerv(GL_MAX_SAMPLES, _))
 261         .WillOnce(SetArgumentPointee<1>(kMaxSamples))
 262         .RetiresOnSaturation();
 263   } else if (strstr(extensions, "GL_IMG_multisampled_render_to_texture")) {
 264     EXPECT_CALL(*gl, GetIntegerv(GL_MAX_SAMPLES_IMG, _))
 265         .WillOnce(SetArgumentPointee<1>(kMaxSamples))
 266         .RetiresOnSaturation();
 267   }
 268   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_ATTRIBS, _))
 269       .WillOnce(SetArgumentPointee<1>(kNumVertexAttribs))
 270       .RetiresOnSaturation();
 271   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, _))
 272       .WillOnce(SetArgumentPointee<1>(kNumTextureUnits))
 273       .RetiresOnSaturation();
 274   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_TEXTURE_SIZE, _))
 275       .WillOnce(SetArgumentPointee<1>(kMaxTextureSize))
 276       .RetiresOnSaturation();
 277   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, _))
 278       .WillOnce(SetArgumentPointee<1>(kMaxCubeMapTextureSize))
 279       .RetiresOnSaturation();
 280   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, _))
 281       .WillOnce(SetArgumentPointee<1>(kMaxTextureImageUnits))
 282       .RetiresOnSaturation();
 283   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, _))
 284       .WillOnce(SetArgumentPointee<1>(kMaxVertexTextureImageUnits))
 285       .RetiresOnSaturation();
 286   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, _))
 287       .WillOnce(SetArgumentPointee<1>(kMaxFragmentUniformComponents))
 288       .RetiresOnSaturation();
 289   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VARYING_FLOATS, _))
 290       .WillOnce(SetArgumentPointee<1>(kMaxVaryingFloats))
 291       .RetiresOnSaturation();
 292   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS, _))
 293       .WillOnce(SetArgumentPointee<1>(kMaxVertexUniformComponents))
 294       .RetiresOnSaturation();
 295
 296   bool use_default_textures = bind_generates_resource;
 297   SetupTextureManagerInitExpectations(gl, extensions, use_default_textures);
 298 }
 299
 300 void TestHelper::SetupFeatureInfoInitExpectations(
 301       ::gfx::MockGLInterface* gl, const char* extensions) {
 302   SetupFeatureInfoInitExpectationsWithGLVersion(gl, extensions, "", "");
 303 }
 304
 305 void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
 306      ::gfx::MockGLInterface* gl,
 307      const char* extensions,
 308      const char* gl_renderer,
 309      const char* gl_version) {
 310   InSequence sequence;
 311
 312   EXPECT_CALL(*gl, GetString(GL_EXTENSIONS))
 313       .WillOnce(Return(reinterpret_cast<const uint8*>(extensions)))
 314       .RetiresOnSaturation();
 315   EXPECT_CALL(*gl, GetString(GL_RENDERER))
 316       .WillOnce(Return(reinterpret_cast<const uint8*>(gl_renderer)))
 317       .RetiresOnSaturation();
 318   EXPECT_CALL(*gl, GetString(GL_VERSION))
 319       .WillOnce(Return(reinterpret_cast<const uint8*>(gl_version)))
 320       .RetiresOnSaturation();
 321
 322   std::string l_version(base::StringToLowerASCII(std::string(gl_version)));
 323   bool is_es3 = (l_version.substr(0, 12) == "opengl es 3.");
 324
 325   if (strstr(extensions, "GL_ARB_texture_float") ||
 326       (is_es3 && strstr(extensions, "GL_EXT_color_buffer_float"))) {
 327     static const GLuint gl_ids[] = {101, 102};
 328     const GLsizei width = 16;
 329     EXPECT_CALL(*gl, GetIntegerv(GL_FRAMEBUFFER_BINDING, _))
 330         .WillOnce(SetArgumentPointee<1>(gl_ids[0]))
 331         .RetiresOnSaturation();
 332     EXPECT_CALL(*gl, GetIntegerv(GL_TEXTURE_BINDING_2D, _))
 333         .WillOnce(SetArgumentPointee<1>(gl_ids[0]))
 334         .RetiresOnSaturation();
 335     EXPECT_CALL(*gl, GenTextures(1, _))
 336         .WillOnce(SetArrayArgument<1>(gl_ids + 1, gl_ids + 2))
 337         .RetiresOnSaturation();
 338     EXPECT_CALL(*gl, GenFramebuffersEXT(1, _))
 339         .WillOnce(SetArrayArgument<1>(gl_ids + 1, gl_ids + 2))
 340         .RetiresOnSaturation();
 341     EXPECT_CALL(*gl, BindTexture(GL_TEXTURE_2D, gl_ids[1]))
 342         .Times(1)
 343         .RetiresOnSaturation();
 344     EXPECT_CALL(*gl, TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
 345         GL_NEAREST))
 346         .Times(1)
 347         .RetiresOnSaturation();
 348     EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, width, 0,
 349         GL_RGBA, GL_FLOAT, _))
 350         .Times(1)
 351         .RetiresOnSaturation();
 352     EXPECT_CALL(*gl, BindFramebufferEXT(GL_FRAMEBUFFER, gl_ids[1]))
 353         .Times(1)
 354         .RetiresOnSaturation();
 355     EXPECT_CALL(*gl, FramebufferTexture2DEXT(GL_FRAMEBUFFER,
 356         GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gl_ids[1], 0))
 357         .Times(1)
 358         .RetiresOnSaturation();
 359     EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 360         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
 361         .RetiresOnSaturation();
 362     EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, width, width, 0,
 363         GL_RGB, GL_FLOAT, _))
 364         .Times(1)
 365         .RetiresOnSaturation();
 366     if (is_es3) {
 367       EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 368           .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT))
 369           .RetiresOnSaturation();
 370     } else {
 371       EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 372           .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
 373           .RetiresOnSaturation();
 374     }
 375     EXPECT_CALL(*gl, DeleteFramebuffersEXT(1, _))
 376         .Times(1)
 377         .RetiresOnSaturation();
 378     EXPECT_CALL(*gl, DeleteTextures(1, _))
 379         .Times(1)
 380         .RetiresOnSaturation();
 381     EXPECT_CALL(*gl, BindFramebufferEXT(GL_FRAMEBUFFER, gl_ids[0]))
 382         .Times(1)
 383         .RetiresOnSaturation();
 384     EXPECT_CALL(*gl, BindTexture(GL_TEXTURE_2D, gl_ids[0]))
 385         .Times(1)
 386         .RetiresOnSaturation();
 387 #if DCHECK_IS_ON
 388     EXPECT_CALL(*gl, GetError())
 389         .WillOnce(Return(GL_NO_ERROR))
 390         .RetiresOnSaturation();
 391 #endif
 392   }
 393 }
 394
 395 void TestHelper::SetupExpectationsForClearingUniforms(
 396     ::gfx::MockGLInterface* gl, UniformInfo* uniforms, size_t num_uniforms) {
 397   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 398     const UniformInfo& info = uniforms[ii];
 399     switch (info.type) {
 400     case GL_FLOAT:
 401       EXPECT_CALL(*gl, Uniform1fv(info.real_location, info.size, _))
 402           .Times(1)
 403           .RetiresOnSaturation();
 404       break;
 405     case GL_FLOAT_VEC2:
 406       EXPECT_CALL(*gl, Uniform2fv(info.real_location, info.size, _))
 407           .Times(1)
 408           .RetiresOnSaturation();
 409       break;
 410     case GL_FLOAT_VEC3:
 411       EXPECT_CALL(*gl, Uniform3fv(info.real_location, info.size, _))
 412           .Times(1)
 413           .RetiresOnSaturation();
 414       break;
 415     case GL_FLOAT_VEC4:
 416       EXPECT_CALL(*gl, Uniform4fv(info.real_location, info.size, _))
 417           .Times(1)
 418           .RetiresOnSaturation();
 419       break;
 420     case GL_INT:
 421     case GL_BOOL:
 422     case GL_SAMPLER_2D:
 423     case GL_SAMPLER_CUBE:
 424     case GL_SAMPLER_EXTERNAL_OES:
 425     case GL_SAMPLER_3D_OES:
 426     case GL_SAMPLER_2D_RECT_ARB:
 427       EXPECT_CALL(*gl, Uniform1iv(info.real_location, info.size, _))
 428           .Times(1)
 429           .RetiresOnSaturation();
 430       break;
 431     case GL_INT_VEC2:
 432     case GL_BOOL_VEC2:
 433       EXPECT_CALL(*gl, Uniform2iv(info.real_location, info.size, _))
 434           .Times(1)
 435           .RetiresOnSaturation();
 436       break;
 437     case GL_INT_VEC3:
 438     case GL_BOOL_VEC3:
 439       EXPECT_CALL(*gl, Uniform3iv(info.real_location, info.size, _))
 440           .Times(1)
 441           .RetiresOnSaturation();
 442       break;
 443     case GL_INT_VEC4:
 444     case GL_BOOL_VEC4:
 445       EXPECT_CALL(*gl, Uniform4iv(info.real_location, info.size, _))
 446           .Times(1)
 447           .RetiresOnSaturation();
 448       break;
 449     case GL_FLOAT_MAT2:
 450       EXPECT_CALL(*gl, UniformMatrix2fv(
 451           info.real_location, info.size, false, _))
 452           .Times(1)
 453           .RetiresOnSaturation();
 454       break;
 455     case GL_FLOAT_MAT3:
 456       EXPECT_CALL(*gl, UniformMatrix3fv(
 457           info.real_location, info.size, false, _))
 458           .Times(1)
 459           .RetiresOnSaturation();
 460       break;
 461     case GL_FLOAT_MAT4:
 462       EXPECT_CALL(*gl, UniformMatrix4fv(
 463           info.real_location, info.size, false, _))
 464           .Times(1)
 465           .RetiresOnSaturation();
 466       break;
 467     default:
 468       NOTREACHED();
 469       break;
 470     }
 471   }
 472 }
 473
 474 void TestHelper::SetupProgramSuccessExpectations(
 475     ::gfx::MockGLInterface* gl,
 476     AttribInfo* attribs, size_t num_attribs,
 477     UniformInfo* uniforms, size_t num_uniforms,
 478     GLuint service_id) {
 479   EXPECT_CALL(*gl,
 480       GetProgramiv(service_id, GL_LINK_STATUS, _))
 481       .WillOnce(SetArgumentPointee<2>(1))
 482       .RetiresOnSaturation();
 483   EXPECT_CALL(*gl,
 484       GetProgramiv(service_id, GL_INFO_LOG_LENGTH, _))
 485       .WillOnce(SetArgumentPointee<2>(0))
 486       .RetiresOnSaturation();
 487   EXPECT_CALL(*gl,
 488       GetProgramiv(service_id, GL_ACTIVE_ATTRIBUTES, _))
 489       .WillOnce(SetArgumentPointee<2>(num_attribs))
 490       .RetiresOnSaturation();
 491   size_t max_attrib_len = 0;
 492   for (size_t ii = 0; ii < num_attribs; ++ii) {
 493     size_t len = strlen(attribs[ii].name) + 1;
 494     max_attrib_len = std::max(max_attrib_len, len);
 495   }
 496   EXPECT_CALL(*gl,
 497       GetProgramiv(service_id, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, _))
 498       .WillOnce(SetArgumentPointee<2>(max_attrib_len))
 499       .RetiresOnSaturation();
 500
 501   for (size_t ii = 0; ii < num_attribs; ++ii) {
 502     const AttribInfo& info = attribs[ii];
 503     EXPECT_CALL(*gl,
 504         GetActiveAttrib(service_id, ii,
 505                         max_attrib_len, _, _, _, _))
 506         .WillOnce(DoAll(
 507             SetArgumentPointee<3>(strlen(info.name)),
 508             SetArgumentPointee<4>(info.size),
 509             SetArgumentPointee<5>(info.type),
 510             SetArrayArgument<6>(info.name,
 511                                 info.name + strlen(info.name) + 1)))
 512         .RetiresOnSaturation();
 513     if (!ProgramManager::IsInvalidPrefix(info.name, strlen(info.name))) {
 514       EXPECT_CALL(*gl, GetAttribLocation(service_id, StrEq(info.name)))
 515           .WillOnce(Return(info.location))
 516           .RetiresOnSaturation();
 517     }
 518   }
 519   EXPECT_CALL(*gl,
 520       GetProgramiv(service_id, GL_ACTIVE_UNIFORMS, _))
 521       .WillOnce(SetArgumentPointee<2>(num_uniforms))
 522       .RetiresOnSaturation();
 523
 524   size_t max_uniform_len = 0;
 525   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 526     size_t len = strlen(uniforms[ii].name) + 1;
 527     max_uniform_len = std::max(max_uniform_len, len);
 528   }
 529   EXPECT_CALL(*gl,
 530       GetProgramiv(service_id, GL_ACTIVE_UNIFORM_MAX_LENGTH, _))
 531       .WillOnce(SetArgumentPointee<2>(max_uniform_len))
 532       .RetiresOnSaturation();
 533   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 534     const UniformInfo& info = uniforms[ii];
 535     EXPECT_CALL(*gl,
 536         GetActiveUniform(service_id, ii,
 537                          max_uniform_len, _, _, _, _))
 538         .WillOnce(DoAll(
 539             SetArgumentPointee<3>(strlen(info.name)),
 540             SetArgumentPointee<4>(info.size),
 541             SetArgumentPointee<5>(info.type),
 542             SetArrayArgument<6>(info.name,
 543                                 info.name + strlen(info.name) + 1)))
 544         .RetiresOnSaturation();
 545   }
 546
 547   for (int pass = 0; pass < 2; ++pass) {
 548     for (size_t ii = 0; ii < num_uniforms; ++ii) {
 549       const UniformInfo& info = uniforms[ii];
 550       if (ProgramManager::IsInvalidPrefix(info.name, strlen(info.name))) {
 551         continue;
 552       }
 553       if (pass == 0) {
 554         EXPECT_CALL(*gl, GetUniformLocation(service_id, StrEq(info.name)))
 555             .WillOnce(Return(info.real_location))
 556             .RetiresOnSaturation();
 557       }
 558       if ((pass == 0 && info.desired_location >= 0) ||
 559           (pass == 1 && info.desired_location < 0)) {
 560         if (info.size > 1) {
 561           std::string base_name = info.name;
 562           size_t array_pos = base_name.rfind("[0]");
 563           if (base_name.size() > 3 && array_pos == base_name.size() - 3) {
 564             base_name = base_name.substr(0, base_name.size() - 3);
 565           }
 566           for (GLsizei jj = 1; jj < info.size; ++jj) {
 567             std::string element_name(
 568                 std::string(base_name) + "[" + base::IntToString(jj) + "]");
 569             EXPECT_CALL(*gl, GetUniformLocation(
 570                 service_id, StrEq(element_name)))
 571                 .WillOnce(Return(info.real_location + jj * 2))
 572                 .RetiresOnSaturation();
 573           }
 574         }
 575       }
 576     }
 577   }
 578 }
 579
 580 void TestHelper::SetupShader(
 581     ::gfx::MockGLInterface* gl,
 582     AttribInfo* attribs, size_t num_attribs,
 583     UniformInfo* uniforms, size_t num_uniforms,
 584     GLuint service_id) {
 585   InSequence s;
 586
 587   EXPECT_CALL(*gl,
 588       LinkProgram(service_id))
 589       .Times(1)
 590       .RetiresOnSaturation();
 591
 592   SetupProgramSuccessExpectations(
 593       gl, attribs, num_attribs, uniforms, num_uniforms, service_id);
 594 }
 595
 596 void TestHelper::DoBufferData(
 597     ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 598     BufferManager* manager, Buffer* buffer, GLsizeiptr size, GLenum usage,
 599     const GLvoid* data, GLenum error) {
 600   EXPECT_CALL(*error_state, CopyRealGLErrorsToWrapper(_, _, _))
 601       .Times(1)
 602       .RetiresOnSaturation();
 603   if (manager->IsUsageClientSideArray(usage)) {
 604     EXPECT_CALL(*gl, BufferData(
 605         buffer->target(), 0, _, usage))
 606         .Times(1)
 607         .RetiresOnSaturation();
 608   } else {
 609     EXPECT_CALL(*gl, BufferData(
 610         buffer->target(), size, _, usage))
 611         .Times(1)
 612         .RetiresOnSaturation();
 613   }
 614   EXPECT_CALL(*error_state, PeekGLError(_, _, _))
 615       .WillOnce(Return(error))
 616       .RetiresOnSaturation();
 617   manager->DoBufferData(error_state, buffer, size, usage, data);
 618 }
 619
 620 void TestHelper::SetTexParameteriWithExpectations(
 621     ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 622     TextureManager* manager, TextureRef* texture_ref,
 623     GLenum pname, GLint value, GLenum error) {
 624   if (error == GL_NO_ERROR) {
 625     if (pname != GL_TEXTURE_POOL_CHROMIUM) {
 626       EXPECT_CALL(*gl, TexParameteri(texture_ref->texture()->target(),
 627                                      pname, value))
 628           .Times(1)
 629           .RetiresOnSaturation();
 630     }
 631   } else if (error == GL_INVALID_ENUM) {
 632     EXPECT_CALL(*error_state, SetGLErrorInvalidEnum(_, _, _, value, _))
 633         .Times(1)
 634         .RetiresOnSaturation();
 635   } else {
 636     EXPECT_CALL(*error_state, SetGLErrorInvalidParami(_, _, error, _, _, _))
 637         .Times(1)
 638         .RetiresOnSaturation();
 639   }
 640   manager->SetParameteri("", error_state, texture_ref, pname, value);
 641 }
 642
 643 ScopedGLImplementationSetter::ScopedGLImplementationSetter(
 644     gfx::GLImplementation implementation)
 645     : old_implementation_(gfx::GetGLImplementation()) {
 646   gfx::SetGLImplementation(implementation);
 647 }
 648
 649 ScopedGLImplementationSetter::~ScopedGLImplementationSetter() {
 650   gfx::SetGLImplementation(old_implementation_);
 651 }
 652
 653 }  // namespace gles2
 654 }  // namespace gpu
 655