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/mocks.h"
  17 #include "gpu/command_buffer/service/program_manager.h"
  18 #include "gpu/command_buffer/service/texture_manager.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20 #include "ui/gl/gl_mock.h"
  21
  22 using ::testing::_;
  23 using ::testing::DoAll;
  24 using ::testing::InSequence;
  25 using ::testing::MatcherCast;
  26 using ::testing::Pointee;
  27 using ::testing::NotNull;
  28 using ::testing::Return;
  29 using ::testing::SetArrayArgument;
  30 using ::testing::SetArgumentPointee;
  31 using ::testing::StrEq;
  32 using ::testing::StrictMock;
  33
  34 namespace gpu {
  35 namespace gles2 {
  36
  37 // GCC requires these declarations, but MSVC requires they not be present
  38 #ifndef COMPILER_MSVC
  39 const GLuint TestHelper::kServiceBlackTexture2dId;
  40 const GLuint TestHelper::kServiceDefaultTexture2dId;
  41 const GLuint TestHelper::kServiceBlackTextureCubemapId;
  42 const GLuint TestHelper::kServiceDefaultTextureCubemapId;
  43 const GLuint TestHelper::kServiceBlackExternalTextureId;
  44 const GLuint TestHelper::kServiceDefaultExternalTextureId;
  45 const GLuint TestHelper::kServiceBlackRectangleTextureId;
  46 const GLuint TestHelper::kServiceDefaultRectangleTextureId;
  47
  48 const GLint TestHelper::kMaxSamples;
  49 const GLint TestHelper::kMaxRenderbufferSize;
  50 const GLint TestHelper::kMaxTextureSize;
  51 const GLint TestHelper::kMaxCubeMapTextureSize;
  52 const GLint TestHelper::kNumVertexAttribs;
  53 const GLint TestHelper::kNumTextureUnits;
  54 const GLint TestHelper::kMaxTextureImageUnits;
  55 const GLint TestHelper::kMaxVertexTextureImageUnits;
  56 const GLint TestHelper::kMaxFragmentUniformVectors;
  57 const GLint TestHelper::kMaxFragmentUniformComponents;
  58 const GLint TestHelper::kMaxVaryingVectors;
  59 const GLint TestHelper::kMaxVaryingFloats;
  60 const GLint TestHelper::kMaxVertexUniformVectors;
  61 const GLint TestHelper::kMaxVertexUniformComponents;
  62 #endif
  63
  64 void TestHelper::SetupTextureInitializationExpectations(
  65     ::gfx::MockGLInterface* gl,
  66     GLenum target,
  67     bool use_default_textures) {
  68   InSequence sequence;
  69
  70   bool needs_initialization = (target != GL_TEXTURE_EXTERNAL_OES);
  71   bool needs_faces = (target == GL_TEXTURE_CUBE_MAP);
  72
  73   static GLuint texture_2d_ids[] = {
  74     kServiceBlackTexture2dId,
  75     kServiceDefaultTexture2dId };
  76   static GLuint texture_cube_map_ids[] = {
  77     kServiceBlackTextureCubemapId,
  78     kServiceDefaultTextureCubemapId };
  79   static GLuint texture_external_oes_ids[] = {
  80     kServiceBlackExternalTextureId,
  81     kServiceDefaultExternalTextureId };
  82   static GLuint texture_rectangle_arb_ids[] = {
  83     kServiceBlackRectangleTextureId,
  84     kServiceDefaultRectangleTextureId };
  85
  86   const GLuint* texture_ids = NULL;
  87   switch (target) {
  88     case GL_TEXTURE_2D:
  89       texture_ids = &texture_2d_ids[0];
  90       break;
  91     case GL_TEXTURE_CUBE_MAP:
  92       texture_ids = &texture_cube_map_ids[0];
  93       break;
  94     case GL_TEXTURE_EXTERNAL_OES:
  95       texture_ids = &texture_external_oes_ids[0];
  96       break;
  97     case GL_TEXTURE_RECTANGLE_ARB:
  98       texture_ids = &texture_rectangle_arb_ids[0];
  99       break;
 100     default:
 101       NOTREACHED();
 102   }
 103
 104   int array_size = use_default_textures ? 2 : 1;
 105
 106   EXPECT_CALL(*gl, GenTextures(array_size, _))
 107       .WillOnce(SetArrayArgument<1>(texture_ids,
 108                                     texture_ids + array_size))
 109           .RetiresOnSaturation();
 110   for (int ii = 0; ii < array_size; ++ii) {
 111     EXPECT_CALL(*gl, BindTexture(target, texture_ids[ii]))
 112         .Times(1)
 113         .RetiresOnSaturation();
 114     if (needs_initialization) {
 115       if (needs_faces) {
 116         static GLenum faces[] = {
 117           GL_TEXTURE_CUBE_MAP_POSITIVE_X,
 118           GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
 119           GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
 120           GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
 121           GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
 122           GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
 123         };
 124         for (size_t ii = 0; ii < arraysize(faces); ++ii) {
 125           EXPECT_CALL(*gl, TexImage2D(faces[ii], 0, GL_RGBA, 1, 1, 0, GL_RGBA,
 126                                       GL_UNSIGNED_BYTE, _))
 127               .Times(1)
 128               .RetiresOnSaturation();
 129         }
 130       } else {
 131         EXPECT_CALL(*gl, TexImage2D(target, 0, GL_RGBA, 1, 1, 0, GL_RGBA,
 132                                     GL_UNSIGNED_BYTE, _))
 133             .Times(1)
 134             .RetiresOnSaturation();
 135       }
 136     }
 137   }
 138   EXPECT_CALL(*gl, BindTexture(target, 0))
 139       .Times(1)
 140       .RetiresOnSaturation();
 141 }
 142
 143 void TestHelper::SetupTextureManagerInitExpectations(
 144     ::gfx::MockGLInterface* gl,
 145     const char* extensions,
 146     bool use_default_textures) {
 147   InSequence sequence;
 148
 149   SetupTextureInitializationExpectations(
 150       gl, GL_TEXTURE_2D, use_default_textures);
 151   SetupTextureInitializationExpectations(
 152       gl, GL_TEXTURE_CUBE_MAP, use_default_textures);
 153
 154   bool ext_image_external = false;
 155   bool arb_texture_rectangle = false;
 156   base::CStringTokenizer t(extensions, extensions + strlen(extensions), " ");
 157   while (t.GetNext()) {
 158     if (t.token() == "GL_OES_EGL_image_external") {
 159       ext_image_external = true;
 160       break;
 161     }
 162     if (t.token() == "GL_ARB_texture_rectangle") {
 163       arb_texture_rectangle = true;
 164       break;
 165     }
 166   }
 167
 168   if (ext_image_external) {
 169     SetupTextureInitializationExpectations(
 170         gl, GL_TEXTURE_EXTERNAL_OES, use_default_textures);
 171   }
 172   if (arb_texture_rectangle) {
 173     SetupTextureInitializationExpectations(
 174         gl, GL_TEXTURE_RECTANGLE_ARB, use_default_textures);
 175   }
 176 }
 177
 178 void TestHelper::SetupTextureDestructionExpectations(
 179     ::gfx::MockGLInterface* gl,
 180     GLenum target,
 181     bool use_default_textures) {
 182   if (!use_default_textures)
 183     return;
 184
 185   GLuint texture_id = 0;
 186   switch (target) {
 187     case GL_TEXTURE_2D:
 188       texture_id = kServiceDefaultTexture2dId;
 189       break;
 190     case GL_TEXTURE_CUBE_MAP:
 191       texture_id = kServiceDefaultTextureCubemapId;
 192       break;
 193     case GL_TEXTURE_EXTERNAL_OES:
 194       texture_id = kServiceDefaultExternalTextureId;
 195       break;
 196     case GL_TEXTURE_RECTANGLE_ARB:
 197       texture_id = kServiceDefaultRectangleTextureId;
 198       break;
 199     default:
 200       NOTREACHED();
 201   }
 202
 203   EXPECT_CALL(*gl, DeleteTextures(1, Pointee(texture_id)))
 204       .Times(1)
 205       .RetiresOnSaturation();
 206 }
 207
 208 void TestHelper::SetupTextureManagerDestructionExpectations(
 209     ::gfx::MockGLInterface* gl,
 210     const char* extensions,
 211     bool use_default_textures) {
 212   SetupTextureDestructionExpectations(gl, GL_TEXTURE_2D, use_default_textures);
 213   SetupTextureDestructionExpectations(
 214       gl, GL_TEXTURE_CUBE_MAP, use_default_textures);
 215
 216   bool ext_image_external = false;
 217   bool arb_texture_rectangle = false;
 218   base::CStringTokenizer t(extensions, extensions + strlen(extensions), " ");
 219   while (t.GetNext()) {
 220     if (t.token() == "GL_OES_EGL_image_external") {
 221       ext_image_external = true;
 222       break;
 223     }
 224     if (t.token() == "GL_ARB_texture_rectangle") {
 225       arb_texture_rectangle = true;
 226       break;
 227     }
 228   }
 229
 230   if (ext_image_external) {
 231     SetupTextureDestructionExpectations(
 232         gl, GL_TEXTURE_EXTERNAL_OES, use_default_textures);
 233   }
 234   if (arb_texture_rectangle) {
 235     SetupTextureDestructionExpectations(
 236         gl, GL_TEXTURE_RECTANGLE_ARB, use_default_textures);
 237   }
 238
 239   EXPECT_CALL(*gl, DeleteTextures(4, _))
 240       .Times(1)
 241       .RetiresOnSaturation();
 242 }
 243
 244 void TestHelper::SetupContextGroupInitExpectations(
 245     ::gfx::MockGLInterface* gl,
 246     const DisallowedFeatures& disallowed_features,
 247     const char* extensions,
 248     const char* gl_version,
 249     bool bind_generates_resource) {
 250   InSequence sequence;
 251
 252   SetupFeatureInfoInitExpectationsWithGLVersion(gl, extensions, "", gl_version);
 253
 254   std::string l_version(base::StringToLowerASCII(std::string(gl_version)));
 255   bool is_es3 = (l_version.substr(0, 12) == "opengl es 3.");
 256
 257   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_RENDERBUFFER_SIZE, _))
 258       .WillOnce(SetArgumentPointee<1>(kMaxRenderbufferSize))
 259       .RetiresOnSaturation();
 260   if (strstr(extensions, "GL_EXT_framebuffer_multisample") ||
 261       strstr(extensions, "GL_EXT_multisampled_render_to_texture") || is_es3) {
 262     EXPECT_CALL(*gl, GetIntegerv(GL_MAX_SAMPLES, _))
 263         .WillOnce(SetArgumentPointee<1>(kMaxSamples))
 264         .RetiresOnSaturation();
 265   } else if (strstr(extensions, "GL_IMG_multisampled_render_to_texture")) {
 266     EXPECT_CALL(*gl, GetIntegerv(GL_MAX_SAMPLES_IMG, _))
 267         .WillOnce(SetArgumentPointee<1>(kMaxSamples))
 268         .RetiresOnSaturation();
 269   }
 270   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_ATTRIBS, _))
 271       .WillOnce(SetArgumentPointee<1>(kNumVertexAttribs))
 272       .RetiresOnSaturation();
 273   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, _))
 274       .WillOnce(SetArgumentPointee<1>(kNumTextureUnits))
 275       .RetiresOnSaturation();
 276   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_TEXTURE_SIZE, _))
 277       .WillOnce(SetArgumentPointee<1>(kMaxTextureSize))
 278       .RetiresOnSaturation();
 279   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, _))
 280       .WillOnce(SetArgumentPointee<1>(kMaxCubeMapTextureSize))
 281       .RetiresOnSaturation();
 282   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, _))
 283       .WillOnce(SetArgumentPointee<1>(kMaxTextureImageUnits))
 284       .RetiresOnSaturation();
 285   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, _))
 286       .WillOnce(SetArgumentPointee<1>(kMaxVertexTextureImageUnits))
 287       .RetiresOnSaturation();
 288   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, _))
 289       .WillOnce(SetArgumentPointee<1>(kMaxFragmentUniformComponents))
 290       .RetiresOnSaturation();
 291   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VARYING_FLOATS, _))
 292       .WillOnce(SetArgumentPointee<1>(kMaxVaryingFloats))
 293       .RetiresOnSaturation();
 294   EXPECT_CALL(*gl, GetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS, _))
 295       .WillOnce(SetArgumentPointee<1>(kMaxVertexUniformComponents))
 296       .RetiresOnSaturation();
 297
 298   bool use_default_textures = bind_generates_resource;
 299   SetupTextureManagerInitExpectations(gl, extensions, use_default_textures);
 300 }
 301
 302 void TestHelper::SetupFeatureInfoInitExpectations(
 303       ::gfx::MockGLInterface* gl, const char* extensions) {
 304   SetupFeatureInfoInitExpectationsWithGLVersion(gl, extensions, "", "");
 305 }
 306
 307 void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
 308      ::gfx::MockGLInterface* gl,
 309      const char* extensions,
 310      const char* gl_renderer,
 311      const char* gl_version) {
 312   InSequence sequence;
 313
 314   EXPECT_CALL(*gl, GetString(GL_EXTENSIONS))
 315       .WillOnce(Return(reinterpret_cast<const uint8*>(extensions)))
 316       .RetiresOnSaturation();
 317   EXPECT_CALL(*gl, GetString(GL_RENDERER))
 318       .WillOnce(Return(reinterpret_cast<const uint8*>(gl_renderer)))
 319       .RetiresOnSaturation();
 320   EXPECT_CALL(*gl, GetString(GL_VERSION))
 321       .WillOnce(Return(reinterpret_cast<const uint8*>(gl_version)))
 322       .RetiresOnSaturation();
 323
 324   std::string l_version(base::StringToLowerASCII(std::string(gl_version)));
 325   bool is_es3 = (l_version.substr(0, 12) == "opengl es 3.");
 326
 327   if (strstr(extensions, "GL_ARB_texture_float") ||
 328       (is_es3 && strstr(extensions, "GL_EXT_color_buffer_float"))) {
 329     static const GLuint gl_ids[] = {101, 102};
 330     const GLsizei width = 16;
 331     EXPECT_CALL(*gl, GetIntegerv(GL_FRAMEBUFFER_BINDING, _))
 332         .WillOnce(SetArgumentPointee<1>(gl_ids[0]))
 333         .RetiresOnSaturation();
 334     EXPECT_CALL(*gl, GetIntegerv(GL_TEXTURE_BINDING_2D, _))
 335         .WillOnce(SetArgumentPointee<1>(gl_ids[0]))
 336         .RetiresOnSaturation();
 337     EXPECT_CALL(*gl, GenTextures(1, _))
 338         .WillOnce(SetArrayArgument<1>(gl_ids + 1, gl_ids + 2))
 339         .RetiresOnSaturation();
 340     EXPECT_CALL(*gl, GenFramebuffersEXT(1, _))
 341         .WillOnce(SetArrayArgument<1>(gl_ids + 1, gl_ids + 2))
 342         .RetiresOnSaturation();
 343     EXPECT_CALL(*gl, BindTexture(GL_TEXTURE_2D, gl_ids[1]))
 344         .Times(1)
 345         .RetiresOnSaturation();
 346     EXPECT_CALL(*gl, TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
 347         GL_NEAREST))
 348         .Times(1)
 349         .RetiresOnSaturation();
 350     EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, width, 0,
 351         GL_RGBA, GL_FLOAT, _))
 352         .Times(1)
 353         .RetiresOnSaturation();
 354     EXPECT_CALL(*gl, BindFramebufferEXT(GL_FRAMEBUFFER, gl_ids[1]))
 355         .Times(1)
 356         .RetiresOnSaturation();
 357     EXPECT_CALL(*gl, FramebufferTexture2DEXT(GL_FRAMEBUFFER,
 358         GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gl_ids[1], 0))
 359         .Times(1)
 360         .RetiresOnSaturation();
 361     EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 362         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
 363         .RetiresOnSaturation();
 364     EXPECT_CALL(*gl, TexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, width, width, 0,
 365         GL_RGB, GL_FLOAT, _))
 366         .Times(1)
 367         .RetiresOnSaturation();
 368     if (is_es3) {
 369       EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 370           .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT))
 371           .RetiresOnSaturation();
 372     } else {
 373       EXPECT_CALL(*gl, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
 374           .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
 375           .RetiresOnSaturation();
 376     }
 377     EXPECT_CALL(*gl, DeleteFramebuffersEXT(1, _))
 378         .Times(1)
 379         .RetiresOnSaturation();
 380     EXPECT_CALL(*gl, DeleteTextures(1, _))
 381         .Times(1)
 382         .RetiresOnSaturation();
 383     EXPECT_CALL(*gl, BindFramebufferEXT(GL_FRAMEBUFFER, gl_ids[0]))
 384         .Times(1)
 385         .RetiresOnSaturation();
 386     EXPECT_CALL(*gl, BindTexture(GL_TEXTURE_2D, gl_ids[0]))
 387         .Times(1)
 388         .RetiresOnSaturation();
 389 #if DCHECK_IS_ON
 390     EXPECT_CALL(*gl, GetError())
 391         .WillOnce(Return(GL_NO_ERROR))
 392         .RetiresOnSaturation();
 393 #endif
 394   }
 395 }
 396
 397 void TestHelper::SetupExpectationsForClearingUniforms(
 398     ::gfx::MockGLInterface* gl, UniformInfo* uniforms, size_t num_uniforms) {
 399   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 400     const UniformInfo& info = uniforms[ii];
 401     switch (info.type) {
 402     case GL_FLOAT:
 403       EXPECT_CALL(*gl, Uniform1fv(info.real_location, info.size, _))
 404           .Times(1)
 405           .RetiresOnSaturation();
 406       break;
 407     case GL_FLOAT_VEC2:
 408       EXPECT_CALL(*gl, Uniform2fv(info.real_location, info.size, _))
 409           .Times(1)
 410           .RetiresOnSaturation();
 411       break;
 412     case GL_FLOAT_VEC3:
 413       EXPECT_CALL(*gl, Uniform3fv(info.real_location, info.size, _))
 414           .Times(1)
 415           .RetiresOnSaturation();
 416       break;
 417     case GL_FLOAT_VEC4:
 418       EXPECT_CALL(*gl, Uniform4fv(info.real_location, info.size, _))
 419           .Times(1)
 420           .RetiresOnSaturation();
 421       break;
 422     case GL_INT:
 423     case GL_BOOL:
 424     case GL_SAMPLER_2D:
 425     case GL_SAMPLER_CUBE:
 426     case GL_SAMPLER_EXTERNAL_OES:
 427     case GL_SAMPLER_3D_OES:
 428     case GL_SAMPLER_2D_RECT_ARB:
 429       EXPECT_CALL(*gl, Uniform1iv(info.real_location, info.size, _))
 430           .Times(1)
 431           .RetiresOnSaturation();
 432       break;
 433     case GL_INT_VEC2:
 434     case GL_BOOL_VEC2:
 435       EXPECT_CALL(*gl, Uniform2iv(info.real_location, info.size, _))
 436           .Times(1)
 437           .RetiresOnSaturation();
 438       break;
 439     case GL_INT_VEC3:
 440     case GL_BOOL_VEC3:
 441       EXPECT_CALL(*gl, Uniform3iv(info.real_location, info.size, _))
 442           .Times(1)
 443           .RetiresOnSaturation();
 444       break;
 445     case GL_INT_VEC4:
 446     case GL_BOOL_VEC4:
 447       EXPECT_CALL(*gl, Uniform4iv(info.real_location, info.size, _))
 448           .Times(1)
 449           .RetiresOnSaturation();
 450       break;
 451     case GL_FLOAT_MAT2:
 452       EXPECT_CALL(*gl, UniformMatrix2fv(
 453           info.real_location, info.size, false, _))
 454           .Times(1)
 455           .RetiresOnSaturation();
 456       break;
 457     case GL_FLOAT_MAT3:
 458       EXPECT_CALL(*gl, UniformMatrix3fv(
 459           info.real_location, info.size, false, _))
 460           .Times(1)
 461           .RetiresOnSaturation();
 462       break;
 463     case GL_FLOAT_MAT4:
 464       EXPECT_CALL(*gl, UniformMatrix4fv(
 465           info.real_location, info.size, false, _))
 466           .Times(1)
 467           .RetiresOnSaturation();
 468       break;
 469     default:
 470       NOTREACHED();
 471       break;
 472     }
 473   }
 474 }
 475
 476 void TestHelper::SetupProgramSuccessExpectations(
 477     ::gfx::MockGLInterface* gl,
 478     AttribInfo* attribs, size_t num_attribs,
 479     UniformInfo* uniforms, size_t num_uniforms,
 480     GLuint service_id) {
 481   EXPECT_CALL(*gl,
 482       GetProgramiv(service_id, GL_LINK_STATUS, _))
 483       .WillOnce(SetArgumentPointee<2>(1))
 484       .RetiresOnSaturation();
 485   EXPECT_CALL(*gl,
 486       GetProgramiv(service_id, GL_INFO_LOG_LENGTH, _))
 487       .WillOnce(SetArgumentPointee<2>(0))
 488       .RetiresOnSaturation();
 489   EXPECT_CALL(*gl,
 490       GetProgramiv(service_id, GL_ACTIVE_ATTRIBUTES, _))
 491       .WillOnce(SetArgumentPointee<2>(num_attribs))
 492       .RetiresOnSaturation();
 493   size_t max_attrib_len = 0;
 494   for (size_t ii = 0; ii < num_attribs; ++ii) {
 495     size_t len = strlen(attribs[ii].name) + 1;
 496     max_attrib_len = std::max(max_attrib_len, len);
 497   }
 498   EXPECT_CALL(*gl,
 499       GetProgramiv(service_id, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, _))
 500       .WillOnce(SetArgumentPointee<2>(max_attrib_len))
 501       .RetiresOnSaturation();
 502
 503   for (size_t ii = 0; ii < num_attribs; ++ii) {
 504     const AttribInfo& info = attribs[ii];
 505     EXPECT_CALL(*gl,
 506         GetActiveAttrib(service_id, ii,
 507                         max_attrib_len, _, _, _, _))
 508         .WillOnce(DoAll(
 509             SetArgumentPointee<3>(strlen(info.name)),
 510             SetArgumentPointee<4>(info.size),
 511             SetArgumentPointee<5>(info.type),
 512             SetArrayArgument<6>(info.name,
 513                                 info.name + strlen(info.name) + 1)))
 514         .RetiresOnSaturation();
 515     if (!ProgramManager::IsInvalidPrefix(info.name, strlen(info.name))) {
 516       EXPECT_CALL(*gl, GetAttribLocation(service_id, StrEq(info.name)))
 517           .WillOnce(Return(info.location))
 518           .RetiresOnSaturation();
 519     }
 520   }
 521   EXPECT_CALL(*gl,
 522       GetProgramiv(service_id, GL_ACTIVE_UNIFORMS, _))
 523       .WillOnce(SetArgumentPointee<2>(num_uniforms))
 524       .RetiresOnSaturation();
 525
 526   size_t max_uniform_len = 0;
 527   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 528     size_t len = strlen(uniforms[ii].name) + 1;
 529     max_uniform_len = std::max(max_uniform_len, len);
 530   }
 531   EXPECT_CALL(*gl,
 532       GetProgramiv(service_id, GL_ACTIVE_UNIFORM_MAX_LENGTH, _))
 533       .WillOnce(SetArgumentPointee<2>(max_uniform_len))
 534       .RetiresOnSaturation();
 535   for (size_t ii = 0; ii < num_uniforms; ++ii) {
 536     const UniformInfo& info = uniforms[ii];
 537     EXPECT_CALL(*gl,
 538         GetActiveUniform(service_id, ii,
 539                          max_uniform_len, _, _, _, _))
 540         .WillOnce(DoAll(
 541             SetArgumentPointee<3>(strlen(info.name)),
 542             SetArgumentPointee<4>(info.size),
 543             SetArgumentPointee<5>(info.type),
 544             SetArrayArgument<6>(info.name,
 545                                 info.name + strlen(info.name) + 1)))
 546         .RetiresOnSaturation();
 547   }
 548
 549   for (int pass = 0; pass < 2; ++pass) {
 550     for (size_t ii = 0; ii < num_uniforms; ++ii) {
 551       const UniformInfo& info = uniforms[ii];
 552       if (ProgramManager::IsInvalidPrefix(info.name, strlen(info.name))) {
 553         continue;
 554       }
 555       if (pass == 0) {
 556         EXPECT_CALL(*gl, GetUniformLocation(service_id, StrEq(info.name)))
 557             .WillOnce(Return(info.real_location))
 558             .RetiresOnSaturation();
 559       }
 560       if ((pass == 0 && info.desired_location >= 0) ||
 561           (pass == 1 && info.desired_location < 0)) {
 562         if (info.size > 1) {
 563           std::string base_name = info.name;
 564           size_t array_pos = base_name.rfind("[0]");
 565           if (base_name.size() > 3 && array_pos == base_name.size() - 3) {
 566             base_name = base_name.substr(0, base_name.size() - 3);
 567           }
 568           for (GLsizei jj = 1; jj < info.size; ++jj) {
 569             std::string element_name(
 570                 std::string(base_name) + "[" + base::IntToString(jj) + "]");
 571             EXPECT_CALL(*gl, GetUniformLocation(
 572                 service_id, StrEq(element_name)))
 573                 .WillOnce(Return(info.real_location + jj * 2))
 574                 .RetiresOnSaturation();
 575           }
 576         }
 577       }
 578     }
 579   }
 580 }
 581
 582 void TestHelper::SetupShader(
 583     ::gfx::MockGLInterface* gl,
 584     AttribInfo* attribs, size_t num_attribs,
 585     UniformInfo* uniforms, size_t num_uniforms,
 586     GLuint service_id) {
 587   InSequence s;
 588
 589   EXPECT_CALL(*gl,
 590       LinkProgram(service_id))
 591       .Times(1)
 592       .RetiresOnSaturation();
 593
 594   SetupProgramSuccessExpectations(
 595       gl, attribs, num_attribs, uniforms, num_uniforms, service_id);
 596 }
 597
 598 void TestHelper::DoBufferData(
 599     ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 600     BufferManager* manager, Buffer* buffer, GLsizeiptr size, GLenum usage,
 601     const GLvoid* data, GLenum error) {
 602   EXPECT_CALL(*error_state, CopyRealGLErrorsToWrapper(_, _, _))
 603       .Times(1)
 604       .RetiresOnSaturation();
 605   if (manager->IsUsageClientSideArray(usage)) {
 606     EXPECT_CALL(*gl, BufferData(
 607         buffer->target(), 0, _, usage))
 608         .Times(1)
 609         .RetiresOnSaturation();
 610   } else {
 611     EXPECT_CALL(*gl, BufferData(
 612         buffer->target(), size, _, usage))
 613         .Times(1)
 614         .RetiresOnSaturation();
 615   }
 616   EXPECT_CALL(*error_state, PeekGLError(_, _, _))
 617       .WillOnce(Return(error))
 618       .RetiresOnSaturation();
 619   manager->DoBufferData(error_state, buffer, size, usage, data);
 620 }
 621
 622 void TestHelper::SetTexParameteriWithExpectations(
 623     ::gfx::MockGLInterface* gl, MockErrorState* error_state,
 624     TextureManager* manager, TextureRef* texture_ref,
 625     GLenum pname, GLint value, GLenum error) {
 626   if (error == GL_NO_ERROR) {
 627     if (pname != GL_TEXTURE_POOL_CHROMIUM) {
 628       EXPECT_CALL(*gl, TexParameteri(texture_ref->texture()->target(),
 629                                      pname, value))
 630           .Times(1)
 631           .RetiresOnSaturation();
 632     }
 633   } else if (error == GL_INVALID_ENUM) {
 634     EXPECT_CALL(*error_state, SetGLErrorInvalidEnum(_, _, _, value, _))
 635         .Times(1)
 636         .RetiresOnSaturation();
 637   } else {
 638     EXPECT_CALL(*error_state, SetGLErrorInvalidParami(_, _, error, _, _, _))
 639         .Times(1)
 640         .RetiresOnSaturation();
 641   }
 642   manager->SetParameteri("", error_state, texture_ref, pname, value);
 643 }
 644
 645 // static
 646 void TestHelper::SetShaderStates(
 647       ::gfx::MockGLInterface* gl, Shader* shader,
 648       bool expected_valid,
 649       const std::string* const expected_log_info,
 650       const std::string* const expected_translated_source,
 651       const ShaderTranslatorInterface::VariableMap* const expected_attrib_map,
 652       const ShaderTranslatorInterface::VariableMap* const expected_uniform_map,
 653       const ShaderTranslatorInterface::VariableMap* const expected_varying_map,
 654       const ShaderTranslatorInterface::NameMap* const expected_name_map) {
 655   const std::string empty_log_info;
 656   const std::string* log_info = (expected_log_info && !expected_valid) ?
 657       expected_log_info : &empty_log_info;
 658   const std::string empty_translated_source;
 659   const std::string* translated_source =
 660       (expected_translated_source && expected_valid) ?
 661           expected_translated_source : &empty_translated_source;
 662   const ShaderTranslatorInterface::VariableMap empty_attrib_map;
 663   const ShaderTranslatorInterface::VariableMap* attrib_map =
 664       (expected_attrib_map && expected_valid) ?
 665           expected_attrib_map : &empty_attrib_map;
 666   const ShaderTranslatorInterface::VariableMap empty_uniform_map;
 667   const ShaderTranslatorInterface::VariableMap* uniform_map =
 668       (expected_uniform_map && expected_valid) ?
 669           expected_uniform_map : &empty_uniform_map;
 670   const ShaderTranslatorInterface::VariableMap empty_varying_map;
 671   const ShaderTranslatorInterface::VariableMap* varying_map =
 672       (expected_varying_map && expected_valid) ?
 673           expected_varying_map : &empty_varying_map;
 674   const ShaderTranslatorInterface::NameMap empty_name_map;
 675   const ShaderTranslatorInterface::NameMap* name_map =
 676       (expected_name_map && expected_valid) ?
 677           expected_name_map : &empty_name_map;
 678
 679   MockShaderTranslator translator;
 680   EXPECT_CALL(translator, Translate(_,
 681                                     NotNull(),  // log_info
 682                                     NotNull(),  // translated_source
 683                                     NotNull(),  // attrib_map
 684                                     NotNull(),  // uniform_map
 685                                     NotNull(),  // varying_map
 686                                     NotNull()))  // name_map
 687       .WillOnce(DoAll(SetArgumentPointee<1>(*log_info),
 688                       SetArgumentPointee<2>(*translated_source),
 689                       SetArgumentPointee<3>(*attrib_map),
 690                       SetArgumentPointee<4>(*uniform_map),
 691                       SetArgumentPointee<5>(*varying_map),
 692                       SetArgumentPointee<6>(*name_map),
 693                       Return(expected_valid)))
 694       .RetiresOnSaturation();
 695   if (expected_valid) {
 696     EXPECT_CALL(*gl, ShaderSource(shader->service_id(), 1, _, NULL))
 697         .Times(1)
 698         .RetiresOnSaturation();
 699     EXPECT_CALL(*gl, CompileShader(shader->service_id()))
 700         .Times(1)
 701         .RetiresOnSaturation();
 702     EXPECT_CALL(*gl, GetShaderiv(shader->service_id(),
 703                                  GL_COMPILE_STATUS,
 704                                  NotNull()))  // status
 705         .WillOnce(SetArgumentPointee<2>(GL_TRUE))
 706         .RetiresOnSaturation();
 707   }
 708   shader->DoCompile(&translator, Shader::kGL);
 709 }
 710
 711 // static
 712 void TestHelper::SetShaderStates(
 713       ::gfx::MockGLInterface* gl, Shader* shader, bool valid) {
 714   SetShaderStates(gl, shader, valid, NULL, NULL, NULL, NULL, NULL, NULL);
 715 }
 716
 717 ScopedGLImplementationSetter::ScopedGLImplementationSetter(
 718     gfx::GLImplementation implementation)
 719     : old_implementation_(gfx::GetGLImplementation()) {
 720   gfx::SetGLImplementation(implementation);
 721 }
 722
 723 ScopedGLImplementationSetter::~ScopedGLImplementationSetter() {
 724   gfx::SetGLImplementation(old_implementation_);
 725 }
 726
 727 }  // namespace gles2
 728 }  // namespace gpu
 729