dali/internal/graphics/gles/egl-implementation.cpp

   1 /*
   2  * Copyright (c) 2023 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/graphics/gles/egl-implementation.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/integration-api/debug.h>
  23 #include <dali/integration-api/trace.h>
  24 #include <dali/public-api/common/dali-vector.h>
  25 #include <sstream>
  26
  27 // INTERNAL INCLUDES
  28 #include <dali/devel-api/adaptor-framework/environment-variable.h>
  29 #include <dali/internal/graphics/gles/egl-debug.h>
  30 #include <dali/internal/graphics/gles/gl-implementation.h>
  31 #include <dali/internal/system/common/time-service.h>
  32 #include <dali/public-api/dali-adaptor-common.h>
  33
  34 // EGL constants use C style casts
  35 #pragma GCC diagnostic push
  36 #pragma GCC diagnostic ignored "-Wold-style-cast"
  37
  38 namespace
  39 {
  40 const uint32_t    THRESHOLD_SWAPBUFFER_COUNT              = 5;
  41 const uint32_t    CHECK_EXTENSION_NUMBER                  = 4;
  42 const uint32_t    EGL_VERSION_SUPPORT_SURFACELESS_CONTEXT = 15;
  43 const std::string EGL_KHR_SURFACELESS_CONTEXT             = "EGL_KHR_surfaceless_context";
  44 const std::string EGL_KHR_CREATE_CONTEXT                  = "EGL_KHR_create_context";
  45 const std::string EGL_KHR_PARTIAL_UPDATE                  = "EGL_KHR_partial_update";
  46 const std::string EGL_KHR_SWAP_BUFFERS_WITH_DAMAGE        = "EGL_KHR_swap_buffers_with_damage";
  47
  48 // Threshold time in miliseconds
  49 constexpr auto PERFORMANCE_LOG_THRESHOLD_TIME_ENV = "DALI_EGL_PERFORMANCE_LOG_THRESHOLD_TIME";
  50
  51 DALI_INIT_TRACE_FILTER(gTraceFilter, DALI_TRACE_EGL, true);
  52
  53 uint32_t GetPerformanceLogThresholdTime()
  54 {
  55   auto     timeString = Dali::EnvironmentVariable::GetEnvironmentVariable(PERFORMANCE_LOG_THRESHOLD_TIME_ENV);
  56   uint32_t time       = timeString ? static_cast<uint32_t>(std::atoi(timeString)) : 0u;
  57   return time;
  58 }
  59 } // namespace
  60
  61 namespace Dali
  62 {
  63 namespace Internal
  64 {
  65 namespace Adaptor
  66 {
  67 #define TEST_EGL_ERROR(lastCommand)                        \
  68   {                                                        \
  69     EGLint err = eglGetError();                            \
  70     if(err != EGL_SUCCESS)                                 \
  71     {                                                      \
  72       DALI_LOG_ERROR("EGL error after %s\n", lastCommand); \
  73       Egl::PrintError(err);                                \
  74       DALI_ASSERT_ALWAYS(0 && "EGL error");                \
  75     }                                                      \
  76   }
  77
  78 EglImplementation::EglImplementation(int                                 multiSamplingLevel,
  79                                      Integration::DepthBufferAvailable   depthBufferRequired,
  80                                      Integration::StencilBufferAvailable stencilBufferRequired,
  81                                      Integration::PartialUpdateAvailable partialUpdateRequired)
  82 : mContextAttribs(),
  83   mEglNativeDisplay(0),
  84   mEglNativeWindow(0),
  85   mCurrentEglNativePixmap(0),
  86   mEglDisplay(0),
  87   mEglConfig(0),
  88   mEglContext(0),
  89   mCurrentEglSurface(0),
  90   mCurrentEglContext(EGL_NO_CONTEXT),
  91   mMultiSamplingLevel(multiSamplingLevel),
  92   mGlesVersion(30),
  93   mColorDepth(COLOR_DEPTH_24),
  94   mGlesInitialized(false),
  95   mIsOwnSurface(true),
  96   mIsWindow(true),
  97   mDepthBufferRequired(depthBufferRequired == Integration::DepthBufferAvailable::TRUE),
  98   mStencilBufferRequired(stencilBufferRequired == Integration::StencilBufferAvailable::TRUE),
  99   mPartialUpdateRequired(partialUpdateRequired == Integration::PartialUpdateAvailable::TRUE),
 100   mIsSurfacelessContextSupported(false),
 101   mIsKhrCreateContextSupported(false),
 102   mSwapBufferCountAfterResume(0),
 103   mEglSetDamageRegionKHR(0),
 104   mEglSwapBuffersWithDamageKHR(0)
 105 {
 106 }
 107
 108 EglImplementation::~EglImplementation()
 109 {
 110   TerminateGles();
 111 }
 112
 113 bool EglImplementation::InitializeGles(EGLNativeDisplayType display, bool isOwnSurface)
 114 {
 115   if(!mGlesInitialized)
 116   {
 117     mEglNativeDisplay = display;
 118
 119     // Try to get the display connection for the native display first
 120     mEglDisplay = eglGetDisplay(mEglNativeDisplay);
 121
 122     if(mEglDisplay == EGL_NO_DISPLAY)
 123     {
 124       // If failed, try to get the default display connection
 125       mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
 126     }
 127
 128     if(mEglDisplay == EGL_NO_DISPLAY)
 129     {
 130       // Still failed to get a display connection
 131       throw Dali::DaliException("", "OpenGL ES is not supported");
 132     }
 133
 134     EGLint majorVersion = 0;
 135     EGLint minorVersion = 0;
 136     if(!eglInitialize(mEglDisplay, &majorVersion, &minorVersion))
 137     {
 138       return false;
 139     }
 140     eglBindAPI(EGL_OPENGL_ES_API);
 141
 142     mIsOwnSurface = isOwnSurface;
 143   }
 144
 145   const char* const versionStr   = eglQueryString(mEglDisplay, EGL_VERSION);
 146   const char* const extensionStr = eglQueryString(mEglDisplay, EGL_EXTENSIONS);
 147
 148   // Query EGL extensions to check whether required extensions are supported
 149   std::istringstream versionStream(versionStr);
 150   std::string        majorVersion, minorVersion;
 151   std::getline(versionStream, majorVersion, '.');
 152   std::getline(versionStream, minorVersion);
 153   uint32_t extensionCheckCount = 0;
 154   if(stoul(majorVersion) * 10 + stoul(minorVersion) >= EGL_VERSION_SUPPORT_SURFACELESS_CONTEXT)
 155   {
 156     mIsSurfacelessContextSupported = true;
 157     mIsKhrCreateContextSupported   = true;
 158     extensionCheckCount += 2;
 159   }
 160
 161   std::istringstream stream(extensionStr);
 162   std::string        currentExtension;
 163   bool               isKhrPartialUpdateSupported         = false;
 164   bool               isKhrSwapBuffersWithDamageSupported = false;
 165   while(std::getline(stream, currentExtension, ' ') && extensionCheckCount < CHECK_EXTENSION_NUMBER)
 166   {
 167     if(currentExtension == EGL_KHR_SURFACELESS_CONTEXT && !mIsSurfacelessContextSupported)
 168     {
 169       mIsSurfacelessContextSupported = true;
 170       extensionCheckCount++;
 171     }
 172     if(currentExtension == EGL_KHR_CREATE_CONTEXT && !mIsKhrCreateContextSupported)
 173     {
 174       mIsKhrCreateContextSupported = true;
 175       extensionCheckCount++;
 176     }
 177     if(currentExtension == EGL_KHR_PARTIAL_UPDATE)
 178     {
 179       isKhrPartialUpdateSupported = true;
 180       extensionCheckCount++;
 181     }
 182     if(currentExtension == EGL_KHR_SWAP_BUFFERS_WITH_DAMAGE)
 183     {
 184       isKhrSwapBuffersWithDamageSupported = true;
 185       extensionCheckCount++;
 186     }
 187   }
 188
 189   if(!isKhrPartialUpdateSupported || !isKhrSwapBuffersWithDamageSupported)
 190   {
 191     mPartialUpdateRequired = false;
 192   }
 193
 194   mGlesInitialized = true;
 195
 196   // We want to display this information all the time, so use the LogMessage directly
 197   Integration::Log::LogMessage(Integration::Log::INFO,
 198                                "EGL Information\n"
 199                                "            PartialUpdate  %d\n"
 200                                "            Vendor:        %s\n"
 201                                "            Version:       %s\n"
 202                                "            Client APIs:   %s\n"
 203                                "            Extensions:    %s\n",
 204                                mPartialUpdateRequired,
 205                                eglQueryString(mEglDisplay, EGL_VENDOR),
 206                                versionStr,
 207                                eglQueryString(mEglDisplay, EGL_CLIENT_APIS),
 208                                extensionStr);
 209
 210   return mGlesInitialized;
 211 }
 212
 213 bool EglImplementation::CreateContext()
 214 {
 215   // make sure a context isn't created twice
 216   DALI_ASSERT_ALWAYS((mEglContext == 0) && "EGL context recreated");
 217
 218   mEglContext = eglCreateContext(mEglDisplay, mEglConfig, NULL, &(mContextAttribs[0]));
 219   TEST_EGL_ERROR("eglCreateContext render thread");
 220
 221   DALI_ASSERT_ALWAYS(EGL_NO_CONTEXT != mEglContext && "EGL context not created");
 222
 223   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VENDOR : %s ***\n", glGetString(GL_VENDOR));
 224   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_RENDERER : %s ***\n", glGetString(GL_RENDERER));
 225   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VERSION : %s ***\n", glGetString(GL_VERSION));
 226   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_SHADING_LANGUAGE_VERSION : %s***\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
 227   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** Supported Extensions ***\n%s\n\n", glGetString(GL_EXTENSIONS));
 228
 229   mEglSetDamageRegionKHR = reinterpret_cast<PFNEGLSETDAMAGEREGIONKHRPROC>(eglGetProcAddress("eglSetDamageRegionKHR"));
 230   if(!mEglSetDamageRegionKHR)
 231   {
 232     DALI_LOG_ERROR("Coudn't find eglSetDamageRegionKHR!\n");
 233     mPartialUpdateRequired = false;
 234   }
 235   mEglSwapBuffersWithDamageKHR = reinterpret_cast<PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC>(eglGetProcAddress("eglSwapBuffersWithDamageKHR"));
 236   if(!mEglSwapBuffersWithDamageKHR)
 237   {
 238     DALI_LOG_ERROR("Coudn't find eglSwapBuffersWithDamageKHR!\n");
 239     mPartialUpdateRequired = false;
 240   }
 241   return true;
 242 }
 243
 244 bool EglImplementation::CreateWindowContext(EGLContext& eglContext)
 245 {
 246   // make sure a context isn't created twice
 247   DALI_ASSERT_ALWAYS((eglContext == 0) && "EGL context recreated");
 248
 249   eglContext = eglCreateContext(mEglDisplay, mEglConfig, mEglContext, &(mContextAttribs[0]));
 250   TEST_EGL_ERROR("eglCreateContext render thread");
 251
 252   DALI_ASSERT_ALWAYS(EGL_NO_CONTEXT != eglContext && "EGL context not created");
 253
 254   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VENDOR : %s ***\n", glGetString(GL_VENDOR));
 255   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_RENDERER : %s ***\n", glGetString(GL_RENDERER));
 256   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VERSION : %s ***\n", glGetString(GL_VERSION));
 257   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_SHADING_LANGUAGE_VERSION : %s***\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
 258   DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** Supported Extensions ***\n%s\n\n", glGetString(GL_EXTENSIONS));
 259
 260   mEglWindowContexts.push_back(eglContext);
 261
 262   mEglSetDamageRegionKHR = reinterpret_cast<PFNEGLSETDAMAGEREGIONKHRPROC>(eglGetProcAddress("eglSetDamageRegionKHR"));
 263   if(!mEglSetDamageRegionKHR)
 264   {
 265     DALI_LOG_ERROR("Coudn't find eglSetDamageRegionKHR!\n");
 266     mPartialUpdateRequired = false;
 267   }
 268   mEglSwapBuffersWithDamageKHR = reinterpret_cast<PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC>(eglGetProcAddress("eglSwapBuffersWithDamageKHR"));
 269   if(!mEglSwapBuffersWithDamageKHR)
 270   {
 271     DALI_LOG_ERROR("Coudn't find eglSwapBuffersWithDamageKHR!\n");
 272     mPartialUpdateRequired = false;
 273   }
 274   return true;
 275 }
 276
 277 void EglImplementation::DestroyContext(EGLContext& eglContext)
 278 {
 279   if(eglContext)
 280   {
 281     eglDestroyContext(mEglDisplay, eglContext);
 282     eglContext = 0;
 283   }
 284 }
 285
 286 void EglImplementation::DestroySurface(EGLSurface& eglSurface)
 287 {
 288   if(mIsOwnSurface && eglSurface)
 289   {
 290     // Make context null to prevent crash in driver side
 291     MakeContextNull();
 292     eglDestroySurface(mEglDisplay, eglSurface);
 293     eglSurface = 0;
 294   }
 295 }
 296
 297 void EglImplementation::MakeContextCurrent(EGLSurface eglSurface, EGLContext eglContext)
 298 {
 299   if(mCurrentEglContext == eglContext)
 300   {
 301     return;
 302   }
 303
 304   mCurrentEglSurface = eglSurface;
 305
 306   if(mIsOwnSurface)
 307   {
 308     eglMakeCurrent(mEglDisplay, eglSurface, eglSurface, eglContext);
 309
 310     mCurrentEglContext = eglContext;
 311   }
 312
 313   EGLint error = eglGetError();
 314
 315   if(error != EGL_SUCCESS)
 316   {
 317     Egl::PrintError(error);
 318
 319     DALI_ASSERT_ALWAYS(false && "MakeContextCurrent failed!");
 320   }
 321 }
 322
 323 void EglImplementation::MakeCurrent(EGLNativePixmapType pixmap, EGLSurface eglSurface)
 324 {
 325   if(mCurrentEglContext == mEglContext)
 326   {
 327     return;
 328   }
 329
 330   mCurrentEglNativePixmap = pixmap;
 331   mCurrentEglSurface      = eglSurface;
 332
 333   if(mIsOwnSurface)
 334   {
 335     eglMakeCurrent(mEglDisplay, eglSurface, eglSurface, mEglContext);
 336
 337     mCurrentEglContext = mEglContext;
 338   }
 339
 340   EGLint error = eglGetError();
 341
 342   if(error != EGL_SUCCESS)
 343   {
 344     Egl::PrintError(error);
 345
 346     DALI_ASSERT_ALWAYS(false && "MakeCurrent failed!");
 347   }
 348 }
 349
 350 void EglImplementation::MakeContextNull()
 351 {
 352   // clear the current context
 353   eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 354   mCurrentEglContext = EGL_NO_CONTEXT;
 355 }
 356
 357 void EglImplementation::TerminateGles()
 358 {
 359   if(mGlesInitialized)
 360   {
 361     // Make context null to prevent crash in driver side
 362     MakeContextNull();
 363
 364     for(auto eglSurface : mEglWindowSurfaces)
 365     {
 366       if(mIsOwnSurface && eglSurface)
 367       {
 368         eglDestroySurface(mEglDisplay, eglSurface);
 369       }
 370     }
 371     eglDestroyContext(mEglDisplay, mEglContext);
 372     for(auto eglContext : mEglWindowContexts)
 373     {
 374       eglDestroyContext(mEglDisplay, eglContext);
 375     }
 376
 377     eglTerminate(mEglDisplay);
 378
 379     mEglDisplay        = NULL;
 380     mEglConfig         = NULL;
 381     mEglContext        = NULL;
 382     mCurrentEglSurface = NULL;
 383     mCurrentEglContext = EGL_NO_CONTEXT;
 384
 385     mGlesInitialized = false;
 386   }
 387 }
 388
 389 bool EglImplementation::IsGlesInitialized() const
 390 {
 391   return mGlesInitialized;
 392 }
 393
 394 void EglImplementation::SwapBuffers(EGLSurface& eglSurface)
 395 {
 396   if(eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context
 397   {
 398 #ifndef DALI_PROFILE_UBUNTU
 399     if(mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT)
 400     {
 401       DALI_LOG_RELEASE_INFO("EglImplementation::eglSwapBuffers started. eglSurface(%p)\n", eglSurface);
 402       DALI_TRACE_BEGIN(gTraceFilter, "DALI_EGL_SWAP_BUFFERS");
 403     }
 404 #endif //DALI_PROFILE_UBUNTU
 405
 406     // DALI_LOG_ERROR("EglImplementation::SwapBuffers()\n");
 407     eglSwapBuffers(mEglDisplay, eglSurface);
 408
 409 #ifndef DALI_PROFILE_UBUNTU
 410     if(mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT)
 411     {
 412       DALI_TRACE_END(gTraceFilter, "DALI_EGL_SWAP_BUFFERS");
 413       DALI_LOG_RELEASE_INFO("EglImplementation::eglSwapBuffers finished.\n");
 414       mSwapBufferCountAfterResume++;
 415     }
 416 #endif //DALI_PROFILE_UBUNTU
 417   }
 418 }
 419
 420 EGLint EglImplementation::GetBufferAge(EGLSurface& eglSurface) const
 421 {
 422   static uint32_t logThreshold = GetPerformanceLogThresholdTime();
 423   static bool     logEnabled   = logThreshold > 0 ? true : false;
 424
 425   uint32_t startTime, endTime;
 426   if(logEnabled)
 427   {
 428     startTime = TimeService::GetMilliSeconds();
 429   }
 430
 431   EGLint age = 0;
 432   eglQuerySurface(mEglDisplay, eglSurface, EGL_BUFFER_AGE_EXT, &age);
 433   if(age < 0)
 434   {
 435     DALI_LOG_ERROR("eglQuerySurface(%d)\n", eglGetError());
 436     age = 0;
 437   }
 438
 439   if(logEnabled)
 440   {
 441     endTime = TimeService::GetMilliSeconds();
 442     if(endTime - startTime > logThreshold)
 443     {
 444       DALI_LOG_DEBUG_INFO("eglQuerySurface takes long time! [%u ms]\n", endTime - startTime);
 445     }
 446   }
 447   return age;
 448 }
 449
 450 void EglImplementation::SetDamageRegion(EGLSurface& eglSurface, std::vector<Rect<int>>& damagedRects)
 451 {
 452   if(!mPartialUpdateRequired)
 453   {
 454     return;
 455   }
 456
 457   if(eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context
 458   {
 459     EGLBoolean result = mEglSetDamageRegionKHR(mEglDisplay, eglSurface, reinterpret_cast<int*>(damagedRects.data()), 1);
 460     if(result == EGL_FALSE)
 461     {
 462       DALI_LOG_ERROR("eglSetDamageRegionKHR(0x%x)\n", eglGetError());
 463     }
 464   }
 465 }
 466
 467 void EglImplementation::SwapBuffers(EGLSurface& eglSurface, const std::vector<Rect<int>>& damagedRects)
 468 {
 469   if(eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context
 470   {
 471     if(!mPartialUpdateRequired)
 472     {
 473       SwapBuffers(eglSurface);
 474       return;
 475     }
 476
 477 #ifndef DALI_PROFILE_UBUNTU
 478     if(mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT)
 479     {
 480       DALI_LOG_RELEASE_INFO("EglImplementation::eglSwapBuffersWithDamageKHR started. eglSurface(%p)\n", eglSurface);
 481       DALI_TRACE_BEGIN(gTraceFilter, "DALI_EGL_SWAP_BUFFERS_KHR");
 482     }
 483 #endif //DALI_PROFILE_UBUNTU
 484
 485     EGLBoolean result = mEglSwapBuffersWithDamageKHR(mEglDisplay, eglSurface, reinterpret_cast<int*>(const_cast<std::vector<Rect<int>>&>(damagedRects).data()), damagedRects.size());
 486     if(result == EGL_FALSE)
 487     {
 488       DALI_LOG_ERROR("eglSwapBuffersWithDamageKHR(%d)\n", eglGetError());
 489     }
 490
 491 #ifndef DALI_PROFILE_UBUNTU
 492     if(mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT)
 493     {
 494       DALI_TRACE_END(gTraceFilter, "DALI_EGL_SWAP_BUFFERS_KHR");
 495       DALI_LOG_RELEASE_INFO("EglImplementation::eglSwapBuffersWithDamageKHR finished.\n");
 496       mSwapBufferCountAfterResume++;
 497     }
 498 #endif //DALI_PROFILE_UBUNTU
 499   }
 500 }
 501
 502 void EglImplementation::CopyBuffers(EGLSurface& eglSurface)
 503 {
 504   eglCopyBuffers(mEglDisplay, eglSurface, mCurrentEglNativePixmap);
 505 }
 506
 507 void EglImplementation::WaitGL()
 508 {
 509   eglWaitGL();
 510 }
 511
 512 bool EglImplementation::ChooseConfig(bool isWindowType, ColorDepth depth)
 513 {
 514   if(mEglConfig && isWindowType == mIsWindow && mColorDepth == depth)
 515   {
 516     return true;
 517   }
 518
 519   mColorDepth = depth;
 520   mIsWindow   = isWindowType;
 521
 522   EGLint         numConfigs;
 523   Vector<EGLint> configAttribs;
 524   configAttribs.Reserve(31);
 525
 526   if(isWindowType)
 527   {
 528     configAttribs.PushBack(EGL_SURFACE_TYPE);
 529     configAttribs.PushBack(EGL_WINDOW_BIT);
 530   }
 531   else
 532   {
 533     configAttribs.PushBack(EGL_SURFACE_TYPE);
 534     configAttribs.PushBack(EGL_PIXMAP_BIT);
 535   }
 536
 537   configAttribs.PushBack(EGL_RENDERABLE_TYPE);
 538
 539   if(mGlesVersion >= 30)
 540   {
 541     configAttribs.PushBack(EGL_OPENGL_ES3_BIT_KHR);
 542   }
 543   else
 544   {
 545     configAttribs.PushBack(EGL_OPENGL_ES2_BIT);
 546   }
 547
 548   // TODO: enable this flag when it becomes supported
 549   //  configAttribs.PushBack( EGL_CONTEXT_FLAGS_KHR );
 550   //  configAttribs.PushBack( EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR );
 551
 552   configAttribs.PushBack(EGL_RED_SIZE);
 553   configAttribs.PushBack(8);
 554   configAttribs.PushBack(EGL_GREEN_SIZE);
 555   configAttribs.PushBack(8);
 556   configAttribs.PushBack(EGL_BLUE_SIZE);
 557   configAttribs.PushBack(8);
 558
 559   //  For underlay video playback, we also need to set the alpha value of the 24/32bit window.
 560   // TODO: When the tbm queue of GlView is 24bit, do we have to set the alpha size??
 561   configAttribs.PushBack(EGL_ALPHA_SIZE);
 562   configAttribs.PushBack(8);
 563
 564   configAttribs.PushBack(EGL_DEPTH_SIZE);
 565   configAttribs.PushBack(mDepthBufferRequired ? 24 : 0);
 566   configAttribs.PushBack(EGL_STENCIL_SIZE);
 567   configAttribs.PushBack(mStencilBufferRequired ? 8 : 0);
 568
 569 #ifndef DALI_PROFILE_UBUNTU
 570   if(mMultiSamplingLevel != EGL_DONT_CARE)
 571   {
 572     configAttribs.PushBack(EGL_SAMPLES);
 573     configAttribs.PushBack(mMultiSamplingLevel);
 574     configAttribs.PushBack(EGL_SAMPLE_BUFFERS);
 575     configAttribs.PushBack(1);
 576   }
 577 #endif // DALI_PROFILE_UBUNTU
 578   configAttribs.PushBack(EGL_NONE);
 579
 580   // Ensure number of configs is set to 1 as on some drivers,
 581   // eglChooseConfig succeeds but does not actually create a proper configuration.
 582   if((eglChooseConfig(mEglDisplay, &(configAttribs[0]), &mEglConfig, 1, &numConfigs) != EGL_TRUE) ||
 583      (numConfigs != 1))
 584   {
 585     if(mGlesVersion >= 30)
 586     {
 587       mEglConfig = NULL;
 588       DALI_LOG_ERROR("Fail to use OpenGL es 3.0. Retrying to use OpenGL es 2.0.");
 589       return false;
 590     }
 591
 592     if(numConfigs != 1)
 593     {
 594       DALI_LOG_ERROR("No configurations found.\n");
 595
 596       TEST_EGL_ERROR("eglChooseConfig");
 597     }
 598
 599     EGLint error = eglGetError();
 600     switch(error)
 601     {
 602       case EGL_BAD_DISPLAY:
 603       {
 604         DALI_LOG_ERROR("Display is not an EGL display connection\n");
 605         break;
 606       }
 607       case EGL_BAD_ATTRIBUTE:
 608       {
 609         DALI_LOG_ERROR("The parameter configAttribs contains an invalid frame buffer configuration attribute or an attribute value that is unrecognized or out of range\n");
 610         break;
 611       }
 612       case EGL_NOT_INITIALIZED:
 613       {
 614         DALI_LOG_ERROR("Display has not been initialized\n");
 615         break;
 616       }
 617       case EGL_BAD_PARAMETER:
 618       {
 619         DALI_LOG_ERROR("The parameter numConfig is NULL\n");
 620         break;
 621       }
 622       default:
 623       {
 624         DALI_LOG_ERROR("Unknown error.\n");
 625       }
 626     }
 627     DALI_ASSERT_ALWAYS(false && "eglChooseConfig failed!");
 628     return false;
 629   }
 630   Integration::Log::LogMessage(Integration::Log::INFO, "Using OpenGL es %d.%d.\n", mGlesVersion / 10, mGlesVersion % 10);
 631
 632   mContextAttribs.Clear();
 633   if(mIsKhrCreateContextSupported)
 634   {
 635     mContextAttribs.Reserve(5);
 636     mContextAttribs.PushBack(EGL_CONTEXT_MAJOR_VERSION_KHR);
 637     mContextAttribs.PushBack(mGlesVersion / 10);
 638     mContextAttribs.PushBack(EGL_CONTEXT_MINOR_VERSION_KHR);
 639     mContextAttribs.PushBack(mGlesVersion % 10);
 640   }
 641   else
 642   {
 643     mContextAttribs.Reserve(3);
 644     mContextAttribs.PushBack(EGL_CONTEXT_CLIENT_VERSION);
 645     mContextAttribs.PushBack(mGlesVersion / 10);
 646   }
 647   mContextAttribs.PushBack(EGL_NONE);
 648
 649   return true;
 650 }
 651
 652 EGLSurface EglImplementation::CreateSurfaceWindow(EGLNativeWindowType window, ColorDepth depth)
 653 {
 654   mEglNativeWindow = window;
 655   mColorDepth      = depth;
 656   mIsWindow        = true;
 657
 658   // egl choose config
 659   ChooseConfig(mIsWindow, mColorDepth);
 660
 661   mCurrentEglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig, mEglNativeWindow, NULL);
 662   TEST_EGL_ERROR("eglCreateWindowSurface");
 663
 664   DALI_ASSERT_ALWAYS(mCurrentEglSurface && "Create window surface failed");
 665
 666   return mCurrentEglSurface;
 667 }
 668
 669 EGLSurface EglImplementation::CreateSurfacePixmap(EGLNativePixmapType pixmap, ColorDepth depth)
 670 {
 671   mCurrentEglNativePixmap = pixmap;
 672   mColorDepth             = depth;
 673   mIsWindow               = false;
 674
 675   // egl choose config
 676   ChooseConfig(mIsWindow, mColorDepth);
 677
 678   mCurrentEglSurface = eglCreatePixmapSurface(mEglDisplay, mEglConfig, mCurrentEglNativePixmap, NULL);
 679   TEST_EGL_ERROR("eglCreatePixmapSurface");
 680
 681   DALI_ASSERT_ALWAYS(mCurrentEglSurface && "Create pixmap surface failed");
 682
 683   return mCurrentEglSurface;
 684 }
 685
 686 bool EglImplementation::ReplaceSurfaceWindow(EGLNativeWindowType window, EGLSurface& eglSurface, EGLContext& eglContext)
 687 {
 688   bool contextLost = false;
 689
 690   // display connection has not changed, then we can just create a new surface
 691   //  the surface is bound to the context, so set the context to null
 692   MakeContextNull();
 693
 694   if(eglSurface)
 695   {
 696     // destroy the surface
 697     DestroySurface(eglSurface);
 698   }
 699
 700   // create the EGL surface
 701   EGLSurface newEglSurface = CreateSurfaceWindow(window, mColorDepth);
 702
 703   // set the context to be current with the new surface
 704   MakeContextCurrent(newEglSurface, eglContext);
 705
 706   return contextLost;
 707 }
 708
 709 bool EglImplementation::ReplaceSurfacePixmap(EGLNativePixmapType pixmap, EGLSurface& eglSurface)
 710 {
 711   bool contextLost = false;
 712
 713   // display connection has not changed, then we can just create a new surface
 714   // create the EGL surface
 715   eglSurface = CreateSurfacePixmap(pixmap, mColorDepth);
 716
 717   // set the eglSurface to be current
 718   MakeCurrent(pixmap, eglSurface);
 719
 720   return contextLost;
 721 }
 722
 723 void EglImplementation::SetGlesVersion(const int32_t glesVersion)
 724 {
 725   mGlesVersion = glesVersion;
 726 }
 727
 728 void EglImplementation::SetFirstFrameAfterResume()
 729 {
 730   mSwapBufferCountAfterResume = 0;
 731 }
 732
 733 EGLDisplay EglImplementation::GetDisplay() const
 734 {
 735   return mEglDisplay;
 736 }
 737
 738 EGLContext EglImplementation::GetContext() const
 739 {
 740   return mEglContext;
 741 }
 742
 743 int32_t EglImplementation::GetGlesVersion() const
 744 {
 745   return mGlesVersion;
 746 }
 747
 748 bool EglImplementation::IsSurfacelessContextSupported() const
 749 {
 750   return mIsSurfacelessContextSupported;
 751 }
 752
 753 void EglImplementation::WaitClient()
 754 {
 755   // Wait for EGL to finish executing all rendering calls for the current context
 756   if(eglWaitClient() != EGL_TRUE)
 757   {
 758     TEST_EGL_ERROR("eglWaitClient");
 759   }
 760 }
 761
 762 bool EglImplementation::IsPartialUpdateRequired() const
 763 {
 764   return mPartialUpdateRequired;
 765 }
 766
 767 } // namespace Adaptor
 768
 769 } // namespace Internal
 770
 771 } // namespace Dali
 772
 773 #pragma GCC diagnostic pop