gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h

   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 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
   6 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
   7
   8 #include "gpu/command_buffer/common/gles2_cmd_format.h"
   9 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
  10 #include "gpu/command_buffer/service/buffer_manager.h"
  11 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
  12 #include "gpu/command_buffer/service/context_group.h"
  13 #include "gpu/command_buffer/service/framebuffer_manager.h"
  14 #include "gpu/command_buffer/service/gl_context_mock.h"
  15 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
  16 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
  17 #include "gpu/command_buffer/service/program_manager.h"
  18 #include "gpu/command_buffer/service/query_manager.h"
  19 #include "gpu/command_buffer/service/renderbuffer_manager.h"
  20 #include "gpu/command_buffer/service/shader_manager.h"
  21 #include "gpu/command_buffer/service/test_helper.h"
  22 #include "gpu/command_buffer/service/texture_manager.h"
  23 #include "gpu/command_buffer/service/valuebuffer_manager.h"
  24 #include "gpu/command_buffer/service/vertex_array_manager.h"
  25 #include "testing/gtest/include/gtest/gtest.h"
  26 #include "ui/gl/gl_surface_stub.h"
  27 #include "ui/gl/gl_mock.h"
  28
  29 namespace base {
  30 class CommandLine;
  31 }
  32
  33 namespace gpu {
  34 namespace gles2 {
  35
  36 class MemoryTracker;
  37
  38 class GLES2DecoderTestBase : public ::testing::TestWithParam<bool> {
  39  public:
  40   GLES2DecoderTestBase();
  41   virtual ~GLES2DecoderTestBase();
  42
  43   // Template to call glGenXXX functions.
  44   template <typename T>
  45   void GenHelper(GLuint client_id) {
  46     int8 buffer[sizeof(T) + sizeof(client_id)];
  47     T& cmd = *reinterpret_cast<T*>(&buffer);
  48     cmd.Init(1, &client_id);
  49     EXPECT_EQ(error::kNoError,
  50               ExecuteImmediateCmd(cmd, sizeof(client_id)));
  51   }
  52
  53   // This template exists solely so we can specialize it for
  54   // certain commands.
  55   template <typename T, int id>
  56   void SpecializedSetup(bool valid) {
  57   }
  58
  59   template <typename T>
  60   T* GetImmediateAs() {
  61     return reinterpret_cast<T*>(immediate_buffer_);
  62   }
  63
  64   template <typename T, typename Command>
  65   T GetImmediateDataAs(Command* cmd) {
  66     return reinterpret_cast<T>(ImmediateDataAddress(cmd));
  67   }
  68
  69   void ClearSharedMemory() {
  70     engine_->ClearSharedMemory();
  71   }
  72
  73   void SetUp() override;
  74   void TearDown() override;
  75
  76   template <typename T>
  77   error::Error ExecuteCmd(const T& cmd) {
  78     static_assert(T::kArgFlags == cmd::kFixed,
  79                   "T::kArgFlags should equal cmd::kFixed");
  80     return decoder_->DoCommands(
  81         1, (const void*)&cmd, ComputeNumEntries(sizeof(cmd)), 0);
  82   }
  83
  84   template <typename T>
  85   error::Error ExecuteImmediateCmd(const T& cmd, size_t data_size) {
  86     static_assert(T::kArgFlags == cmd::kAtLeastN,
  87                   "T::kArgFlags should equal cmd::kAtLeastN");
  88     return decoder_->DoCommands(
  89         1, (const void*)&cmd, ComputeNumEntries(sizeof(cmd) + data_size), 0);
  90   }
  91
  92   template <typename T>
  93   T GetSharedMemoryAs() {
  94     return reinterpret_cast<T>(shared_memory_address_);
  95   }
  96
  97   template <typename T>
  98   T GetSharedMemoryAsWithOffset(uint32 offset) {
  99     void* ptr = reinterpret_cast<int8*>(shared_memory_address_) + offset;
 100     return reinterpret_cast<T>(ptr);
 101   }
 102
 103   Buffer* GetBuffer(GLuint service_id) {
 104     return group_->buffer_manager()->GetBuffer(service_id);
 105   }
 106
 107   Framebuffer* GetFramebuffer(GLuint service_id) {
 108     return group_->framebuffer_manager()->GetFramebuffer(service_id);
 109   }
 110
 111   Renderbuffer* GetRenderbuffer(
 112       GLuint service_id) {
 113     return group_->renderbuffer_manager()->GetRenderbuffer(service_id);
 114   }
 115
 116   TextureRef* GetTexture(GLuint client_id) {
 117     return group_->texture_manager()->GetTexture(client_id);
 118   }
 119
 120   Shader* GetShader(GLuint client_id) {
 121     return group_->shader_manager()->GetShader(client_id);
 122   }
 123
 124   Program* GetProgram(GLuint client_id) {
 125     return group_->program_manager()->GetProgram(client_id);
 126   }
 127
 128   Valuebuffer* GetValuebuffer(GLuint client_id) {
 129     return group_->valuebuffer_manager()->GetValuebuffer(client_id);
 130   }
 131
 132   QueryManager::Query* GetQueryInfo(GLuint client_id) {
 133     return decoder_->GetQueryManager()->GetQuery(client_id);
 134   }
 135
 136   bool GetSamplerServiceId(GLuint client_id, GLuint* service_id) const {
 137     return group_->GetSamplerServiceId(client_id, service_id);
 138   }
 139
 140   bool GetTransformFeedbackServiceId(
 141       GLuint client_id, GLuint* service_id) const {
 142     return group_->GetTransformFeedbackServiceId(client_id, service_id);
 143   }
 144
 145   bool GetSyncServiceId(GLuint client_id, GLsync* service_id) const {
 146     return group_->GetSyncServiceId(client_id, service_id);
 147   }
 148
 149   // This name doesn't match the underlying function, but doing it this way
 150   // prevents the need to special-case the unit test generation
 151   VertexAttribManager* GetVertexArrayInfo(GLuint client_id) {
 152     return decoder_->GetVertexArrayManager()->GetVertexAttribManager(client_id);
 153   }
 154
 155   ProgramManager* program_manager() {
 156     return group_->program_manager();
 157   }
 158
 159   ValuebufferManager* valuebuffer_manager() {
 160     return group_->valuebuffer_manager();
 161   }
 162
 163   ValueStateMap* pending_valuebuffer_state() {
 164     return group_->pending_valuebuffer_state();
 165   }
 166
 167   FeatureInfo* feature_info() {
 168     return group_->feature_info();
 169   }
 170
 171   ImageManager* GetImageManager() { return decoder_->GetImageManager(); }
 172
 173   void DoCreateProgram(GLuint client_id, GLuint service_id);
 174   void DoCreateShader(GLenum shader_type, GLuint client_id, GLuint service_id);
 175   void DoFenceSync(GLuint client_id, GLuint service_id);
 176
 177   void SetBucketData(uint32_t bucket_id, const void* data, uint32_t data_size);
 178   void SetBucketAsCString(uint32 bucket_id, const char* str);
 179   // If we want a valid bucket, just set |count_in_header| as |count|,
 180   // and set |str_end| as 0.
 181   void SetBucketAsCStrings(uint32 bucket_id, GLsizei count, const char** str,
 182                            GLsizei count_in_header, char str_end);
 183
 184   void set_memory_tracker(MemoryTracker* memory_tracker) {
 185     memory_tracker_ = memory_tracker;
 186   }
 187
 188   struct InitState {
 189     InitState();
 190
 191     std::string extensions;
 192     std::string gl_version;
 193     bool has_alpha;
 194     bool has_depth;
 195     bool has_stencil;
 196     bool request_alpha;
 197     bool request_depth;
 198     bool request_stencil;
 199     bool bind_generates_resource;
 200     bool lose_context_when_out_of_memory;
 201     bool use_native_vao;  // default is true.
 202     unsigned webgl_version;  // default to 0, i.e., not WebGL context.
 203   };
 204
 205   void InitDecoder(const InitState& init);
 206   void InitDecoderWithCommandLine(const InitState& init,
 207                                   const base::CommandLine* command_line);
 208
 209   void ResetDecoder();
 210
 211   const ContextGroup& group() const {
 212     return *group_.get();
 213   }
 214
 215   void LoseContexts(error::ContextLostReason reason) const {
 216     group_->LoseContexts(reason);
 217   }
 218
 219   ::testing::StrictMock< ::gfx::MockGLInterface>* GetGLMock() const {
 220     return gl_.get();
 221   }
 222
 223   GLES2Decoder* GetDecoder() const {
 224     return decoder_.get();
 225   }
 226
 227   typedef TestHelper::AttribInfo AttribInfo;
 228   typedef TestHelper::UniformInfo UniformInfo;
 229
 230   void SetupShader(
 231       AttribInfo* attribs, size_t num_attribs,
 232       UniformInfo* uniforms, size_t num_uniforms,
 233       GLuint client_id, GLuint service_id,
 234       GLuint vertex_shader_client_id, GLuint vertex_shader_service_id,
 235       GLuint fragment_shader_client_id, GLuint fragment_shader_service_id);
 236
 237   void SetupInitCapabilitiesExpectations(bool es3_capable);
 238   void SetupInitStateExpectations();
 239   void ExpectEnableDisable(GLenum cap, bool enable);
 240
 241   // Setups up a shader for testing glUniform.
 242   void SetupShaderForUniform(GLenum uniform_type);
 243   void SetupDefaultProgram();
 244   void SetupCubemapProgram();
 245   void SetupSamplerExternalProgram();
 246   void SetupTexture();
 247
 248   // Note that the error is returned as GLint instead of GLenum.
 249   // This is because there is a mismatch in the types of GLenum and
 250   // the error values GL_NO_ERROR, GL_INVALID_ENUM, etc. GLenum is
 251   // typedef'd as unsigned int while the error values are defined as
 252   // integers. This is problematic for template functions such as
 253   // EXPECT_EQ that expect both types to be the same.
 254   GLint GetGLError();
 255
 256   void DoBindBuffer(GLenum target, GLuint client_id, GLuint service_id);
 257   void DoBindFramebuffer(GLenum target, GLuint client_id, GLuint service_id);
 258   void DoBindRenderbuffer(GLenum target, GLuint client_id, GLuint service_id);
 259   void DoRenderbufferStorageMultisampleCHROMIUM(GLenum target,
 260                                                 GLsizei samples,
 261                                                 GLenum internal_format,
 262                                                 GLenum gl_format,
 263                                                 GLsizei width,
 264                                                 GLsizei height);
 265   void RestoreRenderbufferBindings();
 266   void EnsureRenderbufferBound(bool expect_bind);
 267   void DoBindTexture(GLenum target, GLuint client_id, GLuint service_id);
 268   void DoBindVertexArrayOES(GLuint client_id, GLuint service_id);
 269
 270   bool DoIsBuffer(GLuint client_id);
 271   bool DoIsFramebuffer(GLuint client_id);
 272   bool DoIsProgram(GLuint client_id);
 273   bool DoIsRenderbuffer(GLuint client_id);
 274   bool DoIsShader(GLuint client_id);
 275   bool DoIsTexture(GLuint client_id);
 276
 277   void DoDeleteBuffer(GLuint client_id, GLuint service_id);
 278   void DoDeleteFramebuffer(
 279       GLuint client_id, GLuint service_id,
 280       bool reset_draw, GLenum draw_target, GLuint draw_id,
 281       bool reset_read, GLenum read_target, GLuint read_id);
 282   void DoDeleteProgram(GLuint client_id, GLuint service_id);
 283   void DoDeleteRenderbuffer(GLuint client_id, GLuint service_id);
 284   void DoDeleteShader(GLuint client_id, GLuint service_id);
 285   void DoDeleteTexture(GLuint client_id, GLuint service_id);
 286
 287   void DoCompressedTexImage2D(
 288       GLenum target, GLint level, GLenum format,
 289       GLsizei width, GLsizei height, GLint border,
 290       GLsizei size, uint32 bucket_id);
 291   void DoBindTexImage2DCHROMIUM(GLenum target, GLint image_id);
 292   void DoTexImage2D(
 293       GLenum target, GLint level, GLenum internal_format,
 294       GLsizei width, GLsizei height, GLint border,
 295       GLenum format, GLenum type,
 296       uint32 shared_memory_id, uint32 shared_memory_offset);
 297   void DoTexImage2DConvertInternalFormat(
 298       GLenum target, GLint level, GLenum requested_internal_format,
 299       GLsizei width, GLsizei height, GLint border,
 300       GLenum format, GLenum type,
 301       uint32 shared_memory_id, uint32 shared_memory_offset,
 302       GLenum expected_internal_format);
 303   void DoRenderbufferStorage(
 304       GLenum target, GLenum internal_format, GLenum actual_format,
 305       GLsizei width, GLsizei height, GLenum error);
 306   void DoFramebufferRenderbuffer(
 307       GLenum target,
 308       GLenum attachment,
 309       GLenum renderbuffer_target,
 310       GLuint renderbuffer_client_id,
 311       GLuint renderbuffer_service_id,
 312       GLenum error);
 313   void DoFramebufferTexture2D(
 314       GLenum target, GLenum attachment, GLenum tex_target,
 315       GLuint texture_client_id, GLuint texture_service_id,
 316       GLint level, GLenum error);
 317   void DoVertexAttribPointer(
 318       GLuint index, GLint size, GLenum type, GLsizei stride, GLuint offset);
 319   void DoVertexAttribDivisorANGLE(GLuint index, GLuint divisor);
 320
 321   void DoEnableDisable(GLenum cap, bool enable);
 322
 323   void DoEnableVertexAttribArray(GLint index);
 324
 325   void DoBufferData(GLenum target, GLsizei size);
 326
 327   void DoBufferSubData(
 328       GLenum target, GLint offset, GLsizei size, const void* data);
 329
 330   void DoScissor(GLint x, GLint y, GLsizei width, GLsizei height);
 331
 332   void SetupVertexBuffer();
 333   void SetupAllNeededVertexBuffers();
 334
 335   void SetupIndexBuffer();
 336
 337   void DeleteVertexBuffer();
 338
 339   void DeleteIndexBuffer();
 340
 341   void SetupClearTextureExpectations(GLuint service_id,
 342                                      GLuint old_service_id,
 343                                      GLenum bind_target,
 344                                      GLenum target,
 345                                      GLint level,
 346                                      GLenum internal_format,
 347                                      GLenum format,
 348                                      GLenum type,
 349                                      GLint xoffset,
 350                                      GLint yoffset,
 351                                      GLsizei width,
 352                                      GLsizei height);
 353
 354   void SetupExpectationsForRestoreClearState(GLclampf restore_red,
 355                                              GLclampf restore_green,
 356                                              GLclampf restore_blue,
 357                                              GLclampf restore_alpha,
 358                                              GLuint restore_stencil,
 359                                              GLclampf restore_depth,
 360                                              bool restore_scissor_test,
 361                                              GLint restore_scissor_x,
 362                                              GLint restore_scissor_y,
 363                                              GLsizei restore_scissor_width,
 364                                              GLsizei restore_scissor_height);
 365
 366   void SetupExpectationsForFramebufferClearing(GLenum target,
 367                                                GLuint clear_bits,
 368                                                GLclampf restore_red,
 369                                                GLclampf restore_green,
 370                                                GLclampf restore_blue,
 371                                                GLclampf restore_alpha,
 372                                                GLuint restore_stencil,
 373                                                GLclampf restore_depth,
 374                                                bool restore_scissor_test,
 375                                                GLint restore_scissor_x,
 376                                                GLint restore_scissor_y,
 377                                                GLsizei restore_scissor_width,
 378                                                GLsizei restore_scissor_height);
 379
 380   void SetupExpectationsForFramebufferClearingMulti(
 381       GLuint read_framebuffer_service_id,
 382       GLuint draw_framebuffer_service_id,
 383       GLenum target,
 384       GLuint clear_bits,
 385       GLclampf restore_red,
 386       GLclampf restore_green,
 387       GLclampf restore_blue,
 388       GLclampf restore_alpha,
 389       GLuint restore_stencil,
 390       GLclampf restore_depth,
 391       bool restore_scissor_test,
 392       GLint restore_scissor_x,
 393       GLint restore_scissor_y,
 394       GLsizei restore_scissor_width,
 395       GLsizei restore_scissor_height);
 396
 397   void SetupExpectationsForDepthMask(bool mask);
 398   void SetupExpectationsForEnableDisable(GLenum cap, bool enable);
 399   void SetupExpectationsForColorMask(bool red,
 400                                      bool green,
 401                                      bool blue,
 402                                      bool alpha);
 403   void SetupExpectationsForStencilMask(GLuint front_mask, GLuint back_mask);
 404
 405   void SetupExpectationsForApplyingDirtyState(
 406       bool framebuffer_is_rgb,
 407       bool framebuffer_has_depth,
 408       bool framebuffer_has_stencil,
 409       GLuint color_bits,  // NOTE! bits are 0x1000, 0x0100, 0x0010, and 0x0001
 410       bool depth_mask,
 411       bool depth_enabled,
 412       GLuint front_stencil_mask,
 413       GLuint back_stencil_mask,
 414       bool stencil_enabled);
 415
 416   void SetupExpectationsForApplyingDefaultDirtyState();
 417
 418   void AddExpectationsForSimulatedAttrib0WithError(
 419       GLsizei num_vertices, GLuint buffer_id, GLenum error);
 420
 421   void AddExpectationsForSimulatedAttrib0(
 422       GLsizei num_vertices, GLuint buffer_id);
 423
 424   void AddExpectationsForGenVertexArraysOES();
 425   void AddExpectationsForDeleteVertexArraysOES();
 426   void AddExpectationsForDeleteBoundVertexArraysOES();
 427   void AddExpectationsForBindVertexArrayOES();
 428   void AddExpectationsForRestoreAttribState(GLuint attrib);
 429
 430   GLvoid* BufferOffset(unsigned i) {
 431     return static_cast<int8 *>(NULL)+(i);
 432   }
 433
 434   template <typename Command, typename Result>
 435   bool IsObjectHelper(GLuint client_id) {
 436     Result* result = static_cast<Result*>(shared_memory_address_);
 437     Command cmd;
 438     cmd.Init(client_id, kSharedMemoryId, kSharedMemoryOffset);
 439     EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
 440     bool isObject = static_cast<bool>(*result);
 441     EXPECT_EQ(GL_NO_ERROR, GetGLError());
 442     return isObject;
 443   }
 444
 445  protected:
 446   static const int kBackBufferWidth = 128;
 447   static const int kBackBufferHeight = 64;
 448
 449   static const GLint kMaxTextureSize = 2048;
 450   static const GLint kMaxCubeMapTextureSize = 256;
 451   static const GLint kNumVertexAttribs = 16;
 452   static const GLint kNumTextureUnits = 8;
 453   static const GLint kMaxTextureImageUnits = 8;
 454   static const GLint kMaxVertexTextureImageUnits = 2;
 455   static const GLint kMaxFragmentUniformVectors = 16;
 456   static const GLint kMaxVaryingVectors = 8;
 457   static const GLint kMaxVertexUniformVectors = 128;
 458   static const GLint kMaxViewportWidth = 8192;
 459   static const GLint kMaxViewportHeight = 8192;
 460
 461   static const GLint kViewportX = 0;
 462   static const GLint kViewportY = 0;
 463   static const GLint kViewportWidth = kBackBufferWidth;
 464   static const GLint kViewportHeight = kBackBufferHeight;
 465
 466   static const GLuint kServiceAttrib0BufferId = 801;
 467   static const GLuint kServiceFixedAttribBufferId = 802;
 468
 469   static const GLuint kServiceBufferId = 301;
 470   static const GLuint kServiceFramebufferId = 302;
 471   static const GLuint kServiceRenderbufferId = 303;
 472   static const GLuint kServiceTextureId = 304;
 473   static const GLuint kServiceProgramId = 305;
 474   static const GLuint kServiceSamplerId = 306;
 475   static const GLuint kServiceShaderId = 307;
 476   static const GLuint kServiceElementBufferId = 308;
 477   static const GLuint kServiceQueryId = 309;
 478   static const GLuint kServiceVertexArrayId = 310;
 479   static const GLuint kServiceTransformFeedbackId = 311;
 480   static const GLuint kServiceSyncId = 312;
 481
 482   static const int32 kSharedMemoryId = 401;
 483   static const size_t kSharedBufferSize = 2048;
 484   static const uint32 kSharedMemoryOffset = 132;
 485   static const int32 kInvalidSharedMemoryId = 402;
 486   static const uint32 kInvalidSharedMemoryOffset = kSharedBufferSize + 1;
 487   static const uint32 kInitialResult = 0xBDBDBDBDu;
 488   static const uint8 kInitialMemoryValue = 0xBDu;
 489
 490   static const uint32 kNewClientId = 501;
 491   static const uint32 kNewServiceId = 502;
 492   static const uint32 kInvalidClientId = 601;
 493
 494   static const GLuint kServiceVertexShaderId = 321;
 495   static const GLuint kServiceFragmentShaderId = 322;
 496
 497   static const GLuint kServiceCopyTextureChromiumShaderId = 701;
 498   static const GLuint kServiceCopyTextureChromiumProgramId = 721;
 499
 500   static const GLuint kServiceCopyTextureChromiumTextureBufferId = 751;
 501   static const GLuint kServiceCopyTextureChromiumVertexBufferId = 752;
 502   static const GLuint kServiceCopyTextureChromiumFBOId = 753;
 503   static const GLuint kServiceCopyTextureChromiumPositionAttrib = 761;
 504   static const GLuint kServiceCopyTextureChromiumTexAttrib = 762;
 505   static const GLuint kServiceCopyTextureChromiumSamplerLocation = 763;
 506
 507   static const GLsizei kNumVertices = 100;
 508   static const GLsizei kNumIndices = 10;
 509   static const int kValidIndexRangeStart = 1;
 510   static const int kValidIndexRangeCount = 7;
 511   static const int kInvalidIndexRangeStart = 0;
 512   static const int kInvalidIndexRangeCount = 7;
 513   static const int kOutOfRangeIndexRangeEnd = 10;
 514   static const GLuint kMaxValidIndex = 7;
 515
 516   static const GLint kMaxAttribLength = 10;
 517   static const char* kAttrib1Name;
 518   static const char* kAttrib2Name;
 519   static const char* kAttrib3Name;
 520   static const GLint kAttrib1Size = 1;
 521   static const GLint kAttrib2Size = 1;
 522   static const GLint kAttrib3Size = 1;
 523   static const GLint kAttrib1Location = 0;
 524   static const GLint kAttrib2Location = 1;
 525   static const GLint kAttrib3Location = 2;
 526   static const GLenum kAttrib1Type = GL_FLOAT_VEC4;
 527   static const GLenum kAttrib2Type = GL_FLOAT_VEC2;
 528   static const GLenum kAttrib3Type = GL_FLOAT_VEC3;
 529   static const GLint kInvalidAttribLocation = 30;
 530   static const GLint kBadAttribIndex = kNumVertexAttribs;
 531
 532   static const GLint kMaxUniformLength = 12;
 533   static const char* kUniform1Name;
 534   static const char* kUniform2Name;
 535   static const char* kUniform3Name;
 536   static const GLint kUniform1Size = 1;
 537   static const GLint kUniform2Size = 3;
 538   static const GLint kUniform3Size = 2;
 539   static const GLint kUniform1RealLocation = 3;
 540   static const GLint kUniform2RealLocation = 10;
 541   static const GLint kUniform2ElementRealLocation = 12;
 542   static const GLint kUniform3RealLocation = 20;
 543   static const GLint kUniform1FakeLocation = 0;               // These are
 544   static const GLint kUniform2FakeLocation = 1;               // hardcoded
 545   static const GLint kUniform2ElementFakeLocation = 0x10001;  // to match
 546   static const GLint kUniform3FakeLocation = 2;               // ProgramManager.
 547   static const GLint kUniform1DesiredLocation = -1;
 548   static const GLint kUniform2DesiredLocation = -1;
 549   static const GLint kUniform3DesiredLocation = -1;
 550   static const GLenum kUniform1Type = GL_SAMPLER_2D;
 551   static const GLenum kUniform2Type = GL_INT_VEC2;
 552   static const GLenum kUniform3Type = GL_FLOAT_VEC3;
 553   static const GLenum kUniformSamplerExternalType = GL_SAMPLER_EXTERNAL_OES;
 554   static const GLenum kUniformCubemapType = GL_SAMPLER_CUBE;
 555   static const GLint kInvalidUniformLocation = 30;
 556   static const GLint kBadUniformIndex = 1000;
 557
 558   // Use StrictMock to make 100% sure we know how GL will be called.
 559   scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
 560   scoped_refptr<gfx::GLSurfaceStub> surface_;
 561   scoped_refptr<GLContextMock> context_;
 562   scoped_ptr<MockGLES2Decoder> mock_decoder_;
 563   scoped_ptr<GLES2Decoder> decoder_;
 564   MemoryTracker* memory_tracker_;
 565
 566   GLuint client_buffer_id_;
 567   GLuint client_framebuffer_id_;
 568   GLuint client_program_id_;
 569   GLuint client_renderbuffer_id_;
 570   GLuint client_sampler_id_;
 571   GLuint client_shader_id_;
 572   GLuint client_texture_id_;
 573   GLuint client_element_buffer_id_;
 574   GLuint client_vertex_shader_id_;
 575   GLuint client_fragment_shader_id_;
 576   GLuint client_query_id_;
 577   GLuint client_vertexarray_id_;
 578   GLuint client_valuebuffer_id_;
 579   GLuint client_transformfeedback_id_;
 580   GLuint client_sync_id_;
 581
 582   uint32 shared_memory_id_;
 583   uint32 shared_memory_offset_;
 584   void* shared_memory_address_;
 585   void* shared_memory_base_;
 586
 587   GLuint service_renderbuffer_id_;
 588   bool service_renderbuffer_valid_;
 589
 590   uint32 immediate_buffer_[64];
 591
 592   const bool ignore_cached_state_for_test_;
 593   bool cached_color_mask_red_;
 594   bool cached_color_mask_green_;
 595   bool cached_color_mask_blue_;
 596   bool cached_color_mask_alpha_;
 597   bool cached_depth_mask_;
 598   GLuint cached_stencil_front_mask_;
 599   GLuint cached_stencil_back_mask_;
 600
 601   struct EnableFlags {
 602     EnableFlags();
 603     bool cached_blend;
 604     bool cached_cull_face;
 605     bool cached_depth_test;
 606     bool cached_dither;
 607     bool cached_polygon_offset_fill;
 608     bool cached_sample_alpha_to_coverage;
 609     bool cached_sample_coverage;
 610     bool cached_scissor_test;
 611     bool cached_stencil_test;
 612   };
 613
 614   EnableFlags enable_flags_;
 615
 616  private:
 617   class MockCommandBufferEngine : public CommandBufferEngine {
 618    public:
 619     MockCommandBufferEngine();
 620
 621     ~MockCommandBufferEngine() override;
 622
 623     scoped_refptr<gpu::Buffer> GetSharedMemoryBuffer(int32 shm_id) override;
 624
 625     void ClearSharedMemory() {
 626       memset(valid_buffer_->memory(), kInitialMemoryValue, kSharedBufferSize);
 627     }
 628
 629     void set_token(int32 token) override;
 630
 631     bool SetGetBuffer(int32 /* transfer_buffer_id */) override;
 632
 633     // Overridden from CommandBufferEngine.
 634     bool SetGetOffset(int32 offset) override;
 635
 636     // Overridden from CommandBufferEngine.
 637     int32 GetGetOffset() override;
 638
 639    private:
 640     scoped_refptr<gpu::Buffer> valid_buffer_;
 641     scoped_refptr<gpu::Buffer> invalid_buffer_;
 642   };
 643
 644   // MockGLStates is used to track GL states and emulate driver
 645   // behaviors on top of MockGLInterface.
 646   class MockGLStates {
 647    public:
 648     MockGLStates()
 649         : bound_array_buffer_object_(0),
 650           bound_vertex_array_object_(0) {
 651     }
 652
 653     ~MockGLStates() {
 654     }
 655
 656     void OnBindArrayBuffer(GLuint id) {
 657       bound_array_buffer_object_ = id;
 658     }
 659
 660     void OnBindVertexArrayOES(GLuint id) {
 661       bound_vertex_array_object_ = id;
 662     }
 663
 664     void OnVertexAttribNullPointer() {
 665       // When a vertex array object is bound, some drivers (AMD Linux,
 666       // Qualcomm, etc.) have a bug where it incorrectly generates an
 667       // GL_INVALID_OPERATION on glVertexAttribPointer() if pointer
 668       // is NULL, no buffer is bound on GL_ARRAY_BUFFER.
 669       // Make sure we don't trigger this bug.
 670       if (bound_vertex_array_object_ != 0)
 671         EXPECT_TRUE(bound_array_buffer_object_ != 0);
 672     }
 673
 674    private:
 675     GLuint bound_array_buffer_object_;
 676     GLuint bound_vertex_array_object_;
 677   };  // class MockGLStates
 678
 679   void AddExpectationsForVertexAttribManager();
 680   void SetupMockGLBehaviors();
 681
 682   scoped_ptr< ::testing::StrictMock<MockCommandBufferEngine> > engine_;
 683   scoped_refptr<ContextGroup> group_;
 684   MockGLStates gl_states_;
 685 };
 686
 687 class GLES2DecoderWithShaderTestBase : public GLES2DecoderTestBase {
 688  public:
 689   GLES2DecoderWithShaderTestBase()
 690       : GLES2DecoderTestBase() {
 691   }
 692
 693  protected:
 694   void SetUp() override;
 695   void TearDown() override;
 696 };
 697
 698 // SpecializedSetup specializations that are needed in multiple unittest files.
 699 template <>
 700 void GLES2DecoderTestBase::SpecializedSetup<cmds::LinkProgram, 0>(bool valid);
 701
 702 }  // namespace gles2
 703 }  // namespace gpu
 704
 705 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_