gpu/command_buffer/service/memory_program_cache_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/memory_program_cache.h"
   6
   7 #include "base/bind.h"
   8 #include "gpu/command_buffer/common/gles2_cmd_format.h"
   9 #include "gpu/command_buffer/service/gl_utils.h"
  10 #include "gpu/command_buffer/service/gpu_service_test.h"
  11 #include "gpu/command_buffer/service/shader_manager.h"
  12 #include "gpu/command_buffer/service/shader_translator.h"
  13 #include "gpu/command_buffer/service/test_helper.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "ui/gl/gl_bindings.h"
  16 #include "ui/gl/gl_mock.h"
  17
  18 using ::testing::_;
  19 using ::testing::Invoke;
  20 using ::testing::SetArgPointee;
  21
  22 namespace gpu {
  23 namespace gles2 {
  24
  25 class ProgramBinaryEmulator {
  26  public:
  27   ProgramBinaryEmulator(GLsizei length,
  28                         GLenum format,
  29                         const char* binary)
  30       : length_(length),
  31         format_(format),
  32         binary_(binary) { }
  33
  34   void GetProgramBinary(GLuint program,
  35                         GLsizei buffer_size,
  36                         GLsizei* length,
  37                         GLenum* format,
  38                         GLvoid* binary) {
  39     if (length) {
  40       *length = length_;
  41     }
  42     *format = format_;
  43     memcpy(binary, binary_, length_);
  44   }
  45
  46   void ProgramBinary(GLuint program,
  47                      GLenum format,
  48                      const GLvoid* binary,
  49                      GLsizei length) {
  50     // format and length are verified by matcher
  51     EXPECT_EQ(0, memcmp(binary_, binary, length));
  52   }
  53
  54   GLsizei length() const { return length_; }
  55   GLenum format() const { return format_; }
  56   const char* binary() const { return binary_; }
  57
  58  private:
  59   GLsizei length_;
  60   GLenum format_;
  61   const char* binary_;
  62 };
  63
  64 class MemoryProgramCacheTest : public GpuServiceTest {
  65  public:
  66   static const size_t kCacheSizeBytes = 1024;
  67   static const GLuint kVertexShaderClientId = 90;
  68   static const GLuint kVertexShaderServiceId = 100;
  69   static const GLuint kFragmentShaderClientId = 91;
  70   static const GLuint kFragmentShaderServiceId = 100;
  71
  72   MemoryProgramCacheTest()
  73       : cache_(new MemoryProgramCache(kCacheSizeBytes)),
  74         vertex_shader_(NULL),
  75         fragment_shader_(NULL),
  76         shader_cache_count_(0) { }
  77   ~MemoryProgramCacheTest() override { shader_manager_.Destroy(false); }
  78
  79   void ShaderCacheCb(const std::string& key, const std::string& shader) {
  80     shader_cache_count_++;
  81     shader_cache_shader_ = shader;
  82   }
  83
  84   int32 shader_cache_count() { return shader_cache_count_; }
  85   const std::string& shader_cache_shader() { return shader_cache_shader_; }
  86
  87  protected:
  88   void SetUp() override {
  89     GpuServiceTest::SetUpWithGLVersion("3.0", "GL_ARB_get_program_binary");
  90
  91     vertex_shader_ = shader_manager_.CreateShader(kVertexShaderClientId,
  92                                                   kVertexShaderServiceId,
  93                                                   GL_VERTEX_SHADER);
  94     fragment_shader_ = shader_manager_.CreateShader(
  95         kFragmentShaderClientId,
  96         kFragmentShaderServiceId,
  97         GL_FRAGMENT_SHADER);
  98     ASSERT_TRUE(vertex_shader_ != NULL);
  99     ASSERT_TRUE(fragment_shader_ != NULL);
 100     AttributeMap vertex_attrib_map;
 101     UniformMap vertex_uniform_map;
 102     VaryingMap vertex_varying_map;
 103     AttributeMap fragment_attrib_map;
 104     UniformMap fragment_uniform_map;
 105     VaryingMap fragment_varying_map;
 106
 107     vertex_attrib_map["a"] = TestHelper::ConstructAttribute(
 108         GL_FLOAT_VEC2, 34, GL_LOW_FLOAT, false, "a");
 109     vertex_uniform_map["a"] = TestHelper::ConstructUniform(
 110         GL_FLOAT, 10, GL_MEDIUM_FLOAT, true, "a");
 111     vertex_uniform_map["b"] = TestHelper::ConstructUniform(
 112         GL_FLOAT_VEC3, 3114, GL_HIGH_FLOAT, true, "b");
 113     vertex_varying_map["c"] = TestHelper::ConstructVarying(
 114         GL_FLOAT_VEC4, 2, GL_HIGH_FLOAT, true, "c");
 115     fragment_attrib_map["jjjbb"] = TestHelper::ConstructAttribute(
 116         GL_FLOAT_MAT4, 1114, GL_MEDIUM_FLOAT, false, "jjjbb");
 117     fragment_uniform_map["k"] = TestHelper::ConstructUniform(
 118         GL_FLOAT_MAT2, 34413, GL_MEDIUM_FLOAT, true, "k");
 119     fragment_varying_map["c"] = TestHelper::ConstructVarying(
 120         GL_FLOAT_VEC4, 2, GL_HIGH_FLOAT, true, "c");
 121
 122     vertex_shader_->set_source("bbbalsldkdkdkd");
 123     fragment_shader_->set_source("bbbal   sldkdkdkas 134 ad");
 124
 125     TestHelper::SetShaderStates(
 126         gl_.get(), vertex_shader_, true, NULL, NULL,
 127         &vertex_attrib_map, &vertex_uniform_map, &vertex_varying_map,
 128         NULL);
 129     TestHelper::SetShaderStates(
 130         gl_.get(), fragment_shader_, true, NULL, NULL,
 131         &fragment_attrib_map, &fragment_uniform_map, &fragment_varying_map,
 132         NULL);
 133   }
 134
 135   void SetExpectationsForSaveLinkedProgram(
 136       const GLint program_id,
 137       ProgramBinaryEmulator* emulator) const {
 138     EXPECT_CALL(*gl_.get(),
 139                 GetProgramiv(program_id, GL_PROGRAM_BINARY_LENGTH_OES, _))
 140         .WillOnce(SetArgPointee<2>(emulator->length()));
 141     EXPECT_CALL(*gl_.get(),
 142                 GetProgramBinary(program_id, emulator->length(), _, _, _))
 143         .WillOnce(Invoke(emulator, &ProgramBinaryEmulator::GetProgramBinary));
 144   }
 145
 146   void SetExpectationsForLoadLinkedProgram(
 147       const GLint program_id,
 148       ProgramBinaryEmulator* emulator) const {
 149     EXPECT_CALL(*gl_.get(),
 150                 ProgramBinary(program_id,
 151                               emulator->format(),
 152                               _,
 153                               emulator->length()))
 154         .WillOnce(Invoke(emulator, &ProgramBinaryEmulator::ProgramBinary));
 155     EXPECT_CALL(*gl_.get(),
 156                 GetProgramiv(program_id, GL_LINK_STATUS, _))
 157                 .WillOnce(SetArgPointee<2>(GL_TRUE));
 158   }
 159
 160   void SetExpectationsForLoadLinkedProgramFailure(
 161       const GLint program_id,
 162       ProgramBinaryEmulator* emulator) const {
 163     EXPECT_CALL(*gl_.get(),
 164                 ProgramBinary(program_id,
 165                               emulator->format(),
 166                               _,
 167                               emulator->length()))
 168         .WillOnce(Invoke(emulator, &ProgramBinaryEmulator::ProgramBinary));
 169     EXPECT_CALL(*gl_.get(),
 170                 GetProgramiv(program_id, GL_LINK_STATUS, _))
 171                 .WillOnce(SetArgPointee<2>(GL_FALSE));
 172   }
 173
 174   scoped_ptr<MemoryProgramCache> cache_;
 175   ShaderManager shader_manager_;
 176   Shader* vertex_shader_;
 177   Shader* fragment_shader_;
 178   int32 shader_cache_count_;
 179   std::string shader_cache_shader_;
 180   std::vector<std::string> varyings_;
 181 };
 182
 183 TEST_F(MemoryProgramCacheTest, CacheSave) {
 184   const GLenum kFormat = 1;
 185   const int kProgramId = 10;
 186   const int kBinaryLength = 20;
 187   char test_binary[kBinaryLength];
 188   for (int i = 0; i < kBinaryLength; ++i) {
 189     test_binary[i] = i;
 190   }
 191   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 192
 193   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 194   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 195                             fragment_shader_, NULL, varyings_, GL_NONE,
 196                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 197                                        base::Unretained(this)));
 198
 199   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 200       vertex_shader_->last_compiled_signature(),
 201       fragment_shader_->last_compiled_signature(),
 202       NULL, varyings_, GL_NONE));
 203   EXPECT_EQ(1, shader_cache_count());
 204 }
 205
 206 TEST_F(MemoryProgramCacheTest, LoadProgram) {
 207   const GLenum kFormat = 1;
 208   const int kProgramId = 10;
 209   const int kBinaryLength = 20;
 210   char test_binary[kBinaryLength];
 211   for (int i = 0; i < kBinaryLength; ++i) {
 212     test_binary[i] = i;
 213   }
 214   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 215
 216   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 217   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 218                             fragment_shader_, NULL, varyings_, GL_NONE,
 219                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 220                                        base::Unretained(this)));
 221
 222   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 223       vertex_shader_->last_compiled_signature(),
 224       fragment_shader_->last_compiled_signature(),
 225       NULL, varyings_, GL_NONE));
 226   EXPECT_EQ(1, shader_cache_count());
 227
 228   cache_->Clear();
 229
 230   cache_->LoadProgram(shader_cache_shader());
 231   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 232       vertex_shader_->last_compiled_signature(),
 233       fragment_shader_->last_compiled_signature(),
 234       NULL, varyings_, GL_NONE));
 235 }
 236
 237 TEST_F(MemoryProgramCacheTest, CacheLoadMatchesSave) {
 238   const GLenum kFormat = 1;
 239   const int kProgramId = 10;
 240   const int kBinaryLength = 20;
 241   char test_binary[kBinaryLength];
 242   for (int i = 0; i < kBinaryLength; ++i) {
 243     test_binary[i] = i;
 244   }
 245   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 246
 247   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 248   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 249                             fragment_shader_, NULL, varyings_, GL_NONE,
 250                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 251                                        base::Unretained(this)));
 252   EXPECT_EQ(1, shader_cache_count());
 253
 254   AttributeMap vertex_attrib_map = vertex_shader_->attrib_map();
 255   UniformMap vertex_uniform_map = vertex_shader_->uniform_map();
 256   VaryingMap vertex_varying_map = vertex_shader_->varying_map();
 257   AttributeMap fragment_attrib_map = fragment_shader_->attrib_map();
 258   UniformMap fragment_uniform_map = fragment_shader_->uniform_map();
 259   VaryingMap fragment_varying_map = fragment_shader_->varying_map();
 260
 261   vertex_shader_->set_attrib_map(AttributeMap());
 262   vertex_shader_->set_uniform_map(UniformMap());
 263   vertex_shader_->set_varying_map(VaryingMap());
 264   fragment_shader_->set_attrib_map(AttributeMap());
 265   fragment_shader_->set_uniform_map(UniformMap());
 266   fragment_shader_->set_varying_map(VaryingMap());
 267
 268   SetExpectationsForLoadLinkedProgram(kProgramId, &emulator);
 269
 270   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_SUCCESS, cache_->LoadLinkedProgram(
 271       kProgramId,
 272       vertex_shader_,
 273       fragment_shader_,
 274       NULL,
 275       varyings_,
 276       GL_NONE,
 277       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 278                  base::Unretained(this))));
 279
 280   // apparently the hash_map implementation on android doesn't have the
 281   // equality operator
 282 #if !defined(OS_ANDROID)
 283   EXPECT_EQ(vertex_attrib_map, vertex_shader_->attrib_map());
 284   EXPECT_EQ(vertex_uniform_map, vertex_shader_->uniform_map());
 285   EXPECT_EQ(vertex_varying_map, vertex_shader_->varying_map());
 286   EXPECT_EQ(fragment_attrib_map, fragment_shader_->attrib_map());
 287   EXPECT_EQ(fragment_uniform_map, fragment_shader_->uniform_map());
 288   EXPECT_EQ(fragment_varying_map, fragment_shader_->varying_map());
 289 #endif
 290 }
 291
 292 TEST_F(MemoryProgramCacheTest, LoadProgramMatchesSave) {
 293   const GLenum kFormat = 1;
 294   const int kProgramId = 10;
 295   const int kBinaryLength = 20;
 296   char test_binary[kBinaryLength];
 297   for (int i = 0; i < kBinaryLength; ++i) {
 298     test_binary[i] = i;
 299   }
 300   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 301
 302   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 303   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 304                             fragment_shader_, NULL, varyings_, GL_NONE,
 305                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 306                                        base::Unretained(this)));
 307   EXPECT_EQ(1, shader_cache_count());
 308
 309   AttributeMap vertex_attrib_map = vertex_shader_->attrib_map();
 310   UniformMap vertex_uniform_map = vertex_shader_->uniform_map();
 311   VaryingMap vertex_varying_map = vertex_shader_->varying_map();
 312   AttributeMap fragment_attrib_map = fragment_shader_->attrib_map();
 313   UniformMap fragment_uniform_map = fragment_shader_->uniform_map();
 314   VaryingMap fragment_varying_map = fragment_shader_->varying_map();
 315
 316   vertex_shader_->set_attrib_map(AttributeMap());
 317   vertex_shader_->set_uniform_map(UniformMap());
 318   vertex_shader_->set_varying_map(VaryingMap());
 319   fragment_shader_->set_attrib_map(AttributeMap());
 320   fragment_shader_->set_uniform_map(UniformMap());
 321   fragment_shader_->set_varying_map(VaryingMap());
 322
 323   SetExpectationsForLoadLinkedProgram(kProgramId, &emulator);
 324
 325   cache_->Clear();
 326   cache_->LoadProgram(shader_cache_shader());
 327
 328   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_SUCCESS, cache_->LoadLinkedProgram(
 329       kProgramId,
 330       vertex_shader_,
 331       fragment_shader_,
 332       NULL,
 333       varyings_,
 334       GL_NONE,
 335       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 336                  base::Unretained(this))));
 337
 338   // apparently the hash_map implementation on android doesn't have the
 339   // equality operator
 340 #if !defined(OS_ANDROID)
 341   EXPECT_EQ(vertex_attrib_map, vertex_shader_->attrib_map());
 342   EXPECT_EQ(vertex_uniform_map, vertex_shader_->uniform_map());
 343   EXPECT_EQ(vertex_varying_map, vertex_shader_->varying_map());
 344   EXPECT_EQ(fragment_attrib_map, fragment_shader_->attrib_map());
 345   EXPECT_EQ(fragment_uniform_map, fragment_shader_->uniform_map());
 346   EXPECT_EQ(fragment_varying_map, fragment_shader_->varying_map());
 347 #endif
 348 }
 349
 350 TEST_F(MemoryProgramCacheTest, LoadFailOnLinkFalse) {
 351   const GLenum kFormat = 1;
 352   const int kProgramId = 10;
 353   const int kBinaryLength = 20;
 354   char test_binary[kBinaryLength];
 355   for (int i = 0; i < kBinaryLength; ++i) {
 356     test_binary[i] = i;
 357   }
 358   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 359
 360   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 361   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 362                             fragment_shader_, NULL, varyings_, GL_NONE,
 363                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 364                                        base::Unretained(this)));
 365
 366   SetExpectationsForLoadLinkedProgramFailure(kProgramId, &emulator);
 367   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 368       kProgramId,
 369       vertex_shader_,
 370       fragment_shader_,
 371       NULL,
 372       varyings_,
 373       GL_NONE,
 374       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 375                  base::Unretained(this))));
 376 }
 377
 378 TEST_F(MemoryProgramCacheTest, LoadFailOnDifferentSource) {
 379   const GLenum kFormat = 1;
 380   const int kProgramId = 10;
 381   const int kBinaryLength = 20;
 382   char test_binary[kBinaryLength];
 383   for (int i = 0; i < kBinaryLength; ++i) {
 384     test_binary[i] = i;
 385   }
 386   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 387
 388   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 389   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 390                             fragment_shader_, NULL, varyings_, GL_NONE,
 391                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 392                                        base::Unretained(this)));
 393
 394   const std::string vertex_orig_source = vertex_shader_->last_compiled_source();
 395   vertex_shader_->set_source("different!");
 396   TestHelper::SetShaderStates(gl_.get(), vertex_shader_, true);
 397   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 398       kProgramId,
 399       vertex_shader_,
 400       fragment_shader_,
 401       NULL,
 402       varyings_,
 403       GL_NONE,
 404       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 405                  base::Unretained(this))));
 406
 407   vertex_shader_->set_source(vertex_orig_source);
 408   TestHelper::SetShaderStates(gl_.get(), vertex_shader_, true);
 409   fragment_shader_->set_source("different!");
 410   TestHelper::SetShaderStates(gl_.get(), fragment_shader_, true);
 411   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 412       kProgramId,
 413       vertex_shader_,
 414       fragment_shader_,
 415       NULL,
 416       varyings_,
 417       GL_NONE,
 418       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 419                  base::Unretained(this))));
 420 }
 421
 422 TEST_F(MemoryProgramCacheTest, LoadFailOnDifferentMap) {
 423   const GLenum kFormat = 1;
 424   const int kProgramId = 10;
 425   const int kBinaryLength = 20;
 426   char test_binary[kBinaryLength];
 427   for (int i = 0; i < kBinaryLength; ++i) {
 428     test_binary[i] = i;
 429   }
 430   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 431
 432   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 433   ProgramCache::LocationMap binding_map;
 434   binding_map["test"] = 512;
 435   cache_->SaveLinkedProgram(kProgramId,
 436                             vertex_shader_,
 437                             fragment_shader_,
 438                             &binding_map,
 439                             varyings_,
 440                             GL_NONE,
 441                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 442                                        base::Unretained(this)));
 443
 444   binding_map["different!"] = 59;
 445   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 446       kProgramId,
 447       vertex_shader_,
 448       fragment_shader_,
 449       &binding_map,
 450       varyings_,
 451       GL_NONE,
 452       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 453                  base::Unretained(this))));
 454   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 455       kProgramId,
 456       vertex_shader_,
 457       fragment_shader_,
 458       NULL,
 459       varyings_,
 460       GL_NONE,
 461       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 462                  base::Unretained(this))));
 463 }
 464
 465 TEST_F(MemoryProgramCacheTest, LoadFailOnDifferentTransformFeedbackVaryings) {
 466   const GLenum kFormat = 1;
 467   const int kProgramId = 10;
 468   const int kBinaryLength = 20;
 469   char test_binary[kBinaryLength];
 470   for (int i = 0; i < kBinaryLength; ++i) {
 471     test_binary[i] = i;
 472   }
 473   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 474
 475   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 476   varyings_.push_back("test");
 477   cache_->SaveLinkedProgram(kProgramId,
 478                             vertex_shader_,
 479                             fragment_shader_,
 480                             NULL,
 481                             varyings_,
 482                             GL_INTERLEAVED_ATTRIBS,
 483                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 484                                        base::Unretained(this)));
 485
 486   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 487       kProgramId,
 488       vertex_shader_,
 489       fragment_shader_,
 490       NULL,
 491       varyings_,
 492       GL_SEPARATE_ATTRIBS,
 493       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 494                  base::Unretained(this))));
 495
 496   varyings_.push_back("different!");
 497   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
 498       kProgramId,
 499       vertex_shader_,
 500       fragment_shader_,
 501       NULL,
 502       varyings_,
 503       GL_INTERLEAVED_ATTRIBS,
 504       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 505                  base::Unretained(this))));
 506 }
 507
 508 TEST_F(MemoryProgramCacheTest, MemoryProgramCacheEviction) {
 509   const GLenum kFormat = 1;
 510   const int kProgramId = 10;
 511   const int kBinaryLength = 20;
 512   char test_binary[kBinaryLength];
 513   for (int i = 0; i < kBinaryLength; ++i) {
 514     test_binary[i] = i;
 515   }
 516   ProgramBinaryEmulator emulator1(kBinaryLength, kFormat, test_binary);
 517
 518
 519   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator1);
 520   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 521                             fragment_shader_, NULL, varyings_, GL_NONE,
 522                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 523                                        base::Unretained(this)));
 524
 525   const int kEvictingProgramId = 11;
 526   const GLuint kEvictingBinaryLength = kCacheSizeBytes - kBinaryLength + 1;
 527
 528   // save old source and modify for new program
 529   const std::string& old_sig = fragment_shader_->last_compiled_signature();
 530   fragment_shader_->set_source("al sdfkjdk");
 531   TestHelper::SetShaderStates(gl_.get(), fragment_shader_, true);
 532
 533   scoped_ptr<char[]> bigTestBinary =
 534       scoped_ptr<char[]>(new char[kEvictingBinaryLength]);
 535   for (size_t i = 0; i < kEvictingBinaryLength; ++i) {
 536     bigTestBinary[i] = i % 250;
 537   }
 538   ProgramBinaryEmulator emulator2(kEvictingBinaryLength,
 539                                   kFormat,
 540                                   bigTestBinary.get());
 541
 542   SetExpectationsForSaveLinkedProgram(kEvictingProgramId, &emulator2);
 543   cache_->SaveLinkedProgram(kEvictingProgramId,
 544                             vertex_shader_,
 545                             fragment_shader_,
 546                             NULL,
 547                             varyings_,
 548                             GL_NONE,
 549                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 550                                        base::Unretained(this)));
 551
 552   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 553       vertex_shader_->last_compiled_signature(),
 554       fragment_shader_->last_compiled_signature(),
 555       NULL, varyings_, GL_NONE));
 556   EXPECT_EQ(ProgramCache::LINK_UNKNOWN, cache_->GetLinkedProgramStatus(
 557       old_sig,
 558       fragment_shader_->last_compiled_signature(),
 559       NULL, varyings_, GL_NONE));
 560 }
 561
 562 TEST_F(MemoryProgramCacheTest, SaveCorrectProgram) {
 563   const GLenum kFormat = 1;
 564   const int kProgramId = 10;
 565   const int kBinaryLength = 20;
 566   char test_binary[kBinaryLength];
 567   for (int i = 0; i < kBinaryLength; ++i) {
 568     test_binary[i] = i;
 569   }
 570   ProgramBinaryEmulator emulator1(kBinaryLength, kFormat, test_binary);
 571
 572   vertex_shader_->set_source("different!");
 573   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator1);
 574   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 575                             fragment_shader_, NULL, varyings_, GL_NONE,
 576                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 577                                        base::Unretained(this)));
 578
 579   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 580       vertex_shader_->last_compiled_signature(),
 581       fragment_shader_->last_compiled_signature(),
 582       NULL, varyings_, GL_NONE));
 583 }
 584
 585 TEST_F(MemoryProgramCacheTest, LoadCorrectProgram) {
 586   const GLenum kFormat = 1;
 587   const int kProgramId = 10;
 588   const int kBinaryLength = 20;
 589   char test_binary[kBinaryLength];
 590   for (int i = 0; i < kBinaryLength; ++i) {
 591     test_binary[i] = i;
 592   }
 593   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 594
 595   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 596   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 597                             fragment_shader_, NULL, varyings_, GL_NONE,
 598                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 599                                        base::Unretained(this)));
 600
 601   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
 602       vertex_shader_->last_compiled_signature(),
 603       fragment_shader_->last_compiled_signature(),
 604       NULL, varyings_, GL_NONE));
 605
 606   SetExpectationsForLoadLinkedProgram(kProgramId, &emulator);
 607
 608   fragment_shader_->set_source("different!");
 609   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_SUCCESS, cache_->LoadLinkedProgram(
 610       kProgramId,
 611       vertex_shader_,
 612       fragment_shader_,
 613       NULL,
 614       varyings_,
 615       GL_NONE,
 616       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 617                  base::Unretained(this))));
 618 }
 619
 620 TEST_F(MemoryProgramCacheTest, OverwriteOnNewSave) {
 621   const GLenum kFormat = 1;
 622   const int kProgramId = 10;
 623   const int kBinaryLength = 20;
 624   char test_binary[kBinaryLength];
 625   for (int i = 0; i < kBinaryLength; ++i) {
 626     test_binary[i] = i;
 627   }
 628   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 629
 630   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
 631   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 632                             fragment_shader_, NULL, varyings_, GL_NONE,
 633                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 634                                        base::Unretained(this)));
 635
 636
 637   char test_binary2[kBinaryLength];
 638   for (int i = 0; i < kBinaryLength; ++i) {
 639     test_binary2[i] = (i*2) % 250;
 640   }
 641   ProgramBinaryEmulator emulator2(kBinaryLength, kFormat, test_binary2);
 642   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator2);
 643   cache_->SaveLinkedProgram(kProgramId, vertex_shader_,
 644                             fragment_shader_, NULL, varyings_, GL_NONE,
 645                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 646                                        base::Unretained(this)));
 647
 648   SetExpectationsForLoadLinkedProgram(kProgramId, &emulator2);
 649   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_SUCCESS, cache_->LoadLinkedProgram(
 650       kProgramId,
 651       vertex_shader_,
 652       fragment_shader_,
 653       NULL,
 654       varyings_,
 655       GL_NONE,
 656       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
 657                  base::Unretained(this))));
 658 }
 659
 660 }  // namespace gles2
 661 }  // namespace gpu