2 * Copyright (c) 2019 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
20 #include <dali/internal/graphics/gles/egl-implementation.h>
23 #include <dali/integration-api/debug.h>
25 #include <dali/public-api/common/dali-vector.h>
28 #include <dali/public-api/dali-adaptor-common.h>
29 #include <dali/internal/graphics/gles/gl-implementation.h>
30 #include <dali/internal/graphics/gles/egl-debug.h>
32 // EGL constants use C style casts
33 #pragma GCC diagnostic push
34 #pragma GCC diagnostic ignored "-Wold-style-cast"
45 #define TEST_EGL_ERROR(lastCommand) \
47 EGLint err = eglGetError(); \
48 if (err != EGL_SUCCESS) \
50 DALI_LOG_ERROR("EGL error after %s\n", lastCommand); \
51 Egl::PrintError(err); \
52 DALI_ASSERT_ALWAYS(0 && "EGL error"); \
56 EglImplementation::EglImplementation( int multiSamplingLevel,
57 Integration::DepthBufferAvailable depthBufferRequired,
58 Integration::StencilBufferAvailable stencilBufferRequired )
60 mEglNativeDisplay( 0 ),
61 mEglNativeWindow( 0 ),
62 mCurrentEglNativePixmap( 0 ),
66 mCurrentEglSurface( 0 ),
67 mCurrentEglContext( EGL_NO_CONTEXT ),
68 mMultiSamplingLevel( multiSamplingLevel ),
69 mColorDepth( COLOR_DEPTH_24 ),
70 mGlesInitialized( false ),
71 mIsOwnSurface( true ),
73 mDepthBufferRequired( depthBufferRequired == Integration::DepthBufferAvailable::TRUE ),
74 mStencilBufferRequired( stencilBufferRequired == Integration::StencilBufferAvailable::TRUE )
78 EglImplementation::~EglImplementation()
83 bool EglImplementation::InitializeGles( EGLNativeDisplayType display, bool isOwnSurface )
85 if ( !mGlesInitialized )
87 mEglNativeDisplay = display;
89 //@todo see if we can just EGL_DEFAULT_DISPLAY instead
90 mEglDisplay = eglGetDisplay(mEglNativeDisplay);
91 EGLint error = eglGetError();
93 if( mEglDisplay == NULL && error != EGL_SUCCESS )
95 throw Dali::DaliException( "", "OpenGL ES is not supported");
98 EGLint majorVersion = 0;
99 EGLint minorVersion = 0;
100 if ( !eglInitialize( mEglDisplay, &majorVersion, &minorVersion ) )
104 eglBindAPI(EGL_OPENGL_ES_API);
106 mContextAttribs.Clear();
108 #if DALI_GLES_VERSION >= 30
110 mContextAttribs.Reserve(5);
111 mContextAttribs.PushBack( EGL_CONTEXT_MAJOR_VERSION_KHR );
112 mContextAttribs.PushBack( DALI_GLES_VERSION / 10 );
113 mContextAttribs.PushBack( EGL_CONTEXT_MINOR_VERSION_KHR );
114 mContextAttribs.PushBack( DALI_GLES_VERSION % 10 );
116 #else // DALI_GLES_VERSION >= 30
118 mContextAttribs.Reserve(3);
119 mContextAttribs.PushBack( EGL_CONTEXT_CLIENT_VERSION );
120 mContextAttribs.PushBack( 2 );
122 #endif // DALI_GLES_VERSION >= 30
124 mContextAttribs.PushBack( EGL_NONE );
126 mGlesInitialized = true;
127 mIsOwnSurface = isOwnSurface;
130 // We want to display this information all the time, so use the LogMessage directly
131 Integration::Log::LogMessage(Integration::Log::DebugInfo, "EGL Information\n"
136 eglQueryString( mEglDisplay, EGL_VENDOR ),
137 eglQueryString( mEglDisplay, EGL_VERSION ),
138 eglQueryString( mEglDisplay, EGL_CLIENT_APIS ),
139 eglQueryString( mEglDisplay, EGL_EXTENSIONS ));
141 return mGlesInitialized;
144 bool EglImplementation::CreateContext()
146 // make sure a context isn't created twice
147 DALI_ASSERT_ALWAYS( (mEglContext == 0) && "EGL context recreated" );
149 mEglContext = eglCreateContext(mEglDisplay, mEglConfig, NULL, &(mContextAttribs[0]));
150 TEST_EGL_ERROR("eglCreateContext render thread");
152 DALI_ASSERT_ALWAYS( EGL_NO_CONTEXT != mEglContext && "EGL context not created" );
154 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VENDOR : %s ***\n", glGetString(GL_VENDOR));
155 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_RENDERER : %s ***\n", glGetString(GL_RENDERER));
156 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VERSION : %s ***\n", glGetString(GL_VERSION));
157 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_SHADING_LANGUAGE_VERSION : %s***\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
158 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** Supported Extensions ***\n%s\n\n", glGetString(GL_EXTENSIONS));
163 bool EglImplementation::CreateWindowContext( EGLContext& eglContext )
165 // make sure a context isn't created twice
166 DALI_ASSERT_ALWAYS( (eglContext == 0) && "EGL context recreated" );
168 eglContext = eglCreateContext(mEglDisplay, mEglConfig, mEglContext, &(mContextAttribs[0]));
169 TEST_EGL_ERROR("eglCreateContext render thread");
171 DALI_ASSERT_ALWAYS( EGL_NO_CONTEXT != eglContext && "EGL context not created" );
173 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VENDOR : %s ***\n", glGetString(GL_VENDOR));
174 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_RENDERER : %s ***\n", glGetString(GL_RENDERER));
175 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_VERSION : %s ***\n", glGetString(GL_VERSION));
176 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** GL_SHADING_LANGUAGE_VERSION : %s***\n", glGetString(GL_SHADING_LANGUAGE_VERSION));
177 DALI_LOG_INFO(Debug::Filter::gShader, Debug::General, "*** Supported Extensions ***\n%s\n\n", glGetString(GL_EXTENSIONS));
179 mEglWindowContexts.push_back( eglContext );
184 void EglImplementation::DestroyContext( EGLContext& eglContext )
186 DALI_ASSERT_ALWAYS( mEglContext && "no EGL context" );
188 eglDestroyContext( mEglDisplay, eglContext );
192 void EglImplementation::DestroySurface( EGLSurface& eglSurface )
194 if(mIsOwnSurface && eglSurface)
196 // Make context null to prevent crash in driver side
198 eglDestroySurface( mEglDisplay, eglSurface );
203 void EglImplementation::MakeContextCurrent( EGLSurface eglSurface, EGLContext eglContext )
205 if (mCurrentEglContext == eglContext)
210 mCurrentEglSurface = eglSurface;
216 eglMakeCurrent( mEglDisplay, eglSurface, eglSurface, eglContext );
218 mCurrentEglContext = eglContext;
221 EGLint error = eglGetError();
223 if ( error != EGL_SUCCESS )
225 Egl::PrintError(error);
227 DALI_ASSERT_ALWAYS(false && "MakeContextCurrent failed!");
231 void EglImplementation::MakeCurrent( EGLNativePixmapType pixmap, EGLSurface eglSurface )
233 if (mCurrentEglContext == mEglContext)
238 mCurrentEglNativePixmap = pixmap;
239 mCurrentEglSurface = eglSurface;
245 eglMakeCurrent( mEglDisplay, eglSurface, eglSurface, mEglContext );
247 mCurrentEglContext = mEglContext;
250 EGLint error = eglGetError();
252 if ( error != EGL_SUCCESS )
254 Egl::PrintError(error);
256 DALI_ASSERT_ALWAYS(false && "MakeCurrent failed!");
260 void EglImplementation::MakeContextNull()
262 // clear the current context
263 eglMakeCurrent( mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
264 mCurrentEglContext = EGL_NO_CONTEXT;
267 void EglImplementation::TerminateGles()
269 if ( mGlesInitialized )
271 // Make context null to prevent crash in driver side
274 for ( auto eglSurface : mEglWindowSurfaces )
276 if(mIsOwnSurface && eglSurface)
278 eglDestroySurface(mEglDisplay, eglSurface);
281 eglDestroyContext(mEglDisplay, mEglContext);
282 for ( auto eglContext : mEglWindowContexts )
284 eglDestroyContext(mEglDisplay, eglContext);
287 eglTerminate(mEglDisplay);
292 mCurrentEglSurface = NULL;
293 mCurrentEglContext = EGL_NO_CONTEXT;
295 mGlesInitialized = false;
299 bool EglImplementation::IsGlesInitialized() const
301 return mGlesInitialized;
304 void EglImplementation::SwapBuffers( EGLSurface& eglSurface )
306 if ( eglSurface != EGL_NO_SURFACE ) // skip if using surfaceless context
308 eglSwapBuffers( mEglDisplay, eglSurface );
312 void EglImplementation::CopyBuffers( EGLSurface& eglSurface )
314 eglCopyBuffers( mEglDisplay, eglSurface, mCurrentEglNativePixmap );
317 void EglImplementation::WaitGL()
322 void EglImplementation::ChooseConfig( bool isWindowType, ColorDepth depth )
324 if(mEglConfig && isWindowType == mIsWindow && mColorDepth == depth)
329 bool isTransparent = ( depth == COLOR_DEPTH_32 );
331 mIsWindow = isWindowType;
334 Vector<EGLint> configAttribs;
335 configAttribs.Reserve(31);
339 configAttribs.PushBack( EGL_SURFACE_TYPE );
340 configAttribs.PushBack( EGL_WINDOW_BIT );
344 configAttribs.PushBack( EGL_SURFACE_TYPE );
345 configAttribs.PushBack( EGL_PIXMAP_BIT );
348 configAttribs.PushBack( EGL_RENDERABLE_TYPE );
350 #if DALI_GLES_VERSION >= 30
353 configAttribs.PushBack( EGL_OPENGL_ES3_BIT_KHR );
355 // There is a bug in the desktop emulator
356 // Requesting for ES3 causes eglCreateContext even though it allows to ask
357 // for a configuration that supports GLES 3.0
358 configAttribs.PushBack( EGL_OPENGL_ES2_BIT );
361 #else // DALI_GLES_VERSION >= 30
363 Integration::Log::LogMessage( Integration::Log::DebugInfo, "Using OpenGL ES 2 \n" );
364 configAttribs.PushBack( EGL_OPENGL_ES2_BIT );
366 #endif //DALI_GLES_VERSION >= 30
368 #if DALI_GLES_VERSION >= 30
369 // TODO: enable this flag when it becomes supported
370 // configAttribs.PushBack( EGL_CONTEXT_FLAGS_KHR );
371 // configAttribs.PushBack( EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR );
372 #endif //DALI_GLES_VERSION >= 30
374 configAttribs.PushBack( EGL_RED_SIZE );
375 configAttribs.PushBack( 8 );
376 configAttribs.PushBack( EGL_GREEN_SIZE );
377 configAttribs.PushBack( 8 );
378 configAttribs.PushBack( EGL_BLUE_SIZE );
379 configAttribs.PushBack( 8 );
383 configAttribs.PushBack( EGL_ALPHA_SIZE );
385 // For underlay video playback, we also need to set the alpha value of the 24/32bit window.
386 configAttribs.PushBack( 8 );
388 // There is a bug in the desktop emulator
389 // setting EGL_ALPHA_SIZE to 8 results in eglChooseConfig failing
390 configAttribs.PushBack( 8 );
394 configAttribs.PushBack( EGL_DEPTH_SIZE );
395 configAttribs.PushBack( mDepthBufferRequired ? 24 : 0 );
396 configAttribs.PushBack( EGL_STENCIL_SIZE );
397 configAttribs.PushBack( mStencilBufferRequired ? 8 : 0 );
399 #ifndef DALI_PROFILE_UBUNTU
400 if( mMultiSamplingLevel != EGL_DONT_CARE )
402 configAttribs.PushBack( EGL_SAMPLES );
403 configAttribs.PushBack( mMultiSamplingLevel );
404 configAttribs.PushBack( EGL_SAMPLE_BUFFERS );
405 configAttribs.PushBack( 1 );
407 #endif // DALI_PROFILE_UBUNTU
408 configAttribs.PushBack( EGL_NONE );
410 if ( eglChooseConfig( mEglDisplay, &(configAttribs[0]), &mEglConfig, 1, &numConfigs ) != EGL_TRUE )
412 EGLint error = eglGetError();
415 case EGL_BAD_DISPLAY:
417 DALI_LOG_ERROR("Display is not an EGL display connection\n");
420 case EGL_BAD_ATTRIBUTE:
422 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");
425 case EGL_NOT_INITIALIZED:
427 DALI_LOG_ERROR("Display has not been initialized\n");
430 case EGL_BAD_PARAMETER:
432 DALI_LOG_ERROR("The parameter numConfig is NULL\n");
437 DALI_LOG_ERROR("Unknown error.\n");
440 DALI_ASSERT_ALWAYS(false && "eglChooseConfig failed!");
443 if ( numConfigs != 1 )
445 DALI_LOG_ERROR("No configurations found.\n");
447 TEST_EGL_ERROR("eglChooseConfig");
451 EGLSurface EglImplementation::CreateSurfaceWindow( EGLNativeWindowType window, ColorDepth depth )
453 mEglNativeWindow = window;
458 ChooseConfig(mIsWindow, mColorDepth);
460 mCurrentEglSurface = eglCreateWindowSurface( mEglDisplay, mEglConfig, mEglNativeWindow, NULL );
461 TEST_EGL_ERROR("eglCreateWindowSurface");
463 DALI_ASSERT_ALWAYS( mCurrentEglSurface && "Create window surface failed" );
465 return mCurrentEglSurface;
468 EGLSurface EglImplementation::CreateSurfacePixmap( EGLNativePixmapType pixmap, ColorDepth depth )
470 mCurrentEglNativePixmap = pixmap;
475 ChooseConfig(mIsWindow, mColorDepth);
477 mCurrentEglSurface = eglCreatePixmapSurface( mEglDisplay, mEglConfig, mCurrentEglNativePixmap, NULL );
478 TEST_EGL_ERROR("eglCreatePixmapSurface");
480 DALI_ASSERT_ALWAYS( mCurrentEglSurface && "Create pixmap surface failed" );
482 return mCurrentEglSurface;
485 bool EglImplementation::ReplaceSurfaceWindow( EGLNativeWindowType window, EGLSurface& eglSurface, EGLContext& eglContext )
487 bool contextLost = false;
489 // display connection has not changed, then we can just create a new surface
490 // the surface is bound to the context, so set the context to null
493 // destroy the surface
494 DestroySurface( eglSurface );
496 // create the EGL surface
497 CreateSurfaceWindow( window, mColorDepth );
499 // set the context to be current with the new surface
500 MakeContextCurrent( eglSurface, eglContext );
505 bool EglImplementation::ReplaceSurfacePixmap( EGLNativePixmapType pixmap, EGLSurface& eglSurface )
507 bool contextLost = false;
509 // display connection has not changed, then we can just create a new surface
510 // create the EGL surface
511 eglSurface = CreateSurfacePixmap( pixmap, mColorDepth );
513 // set the eglSurface to be current
514 MakeCurrent( pixmap, eglSurface );
519 EGLDisplay EglImplementation::GetDisplay() const
524 EGLContext EglImplementation::GetContext() const
529 } // namespace Adaptor
531 } // namespace Internal
535 #pragma GCC diagnostic pop