2 * Copyright (c) 2021 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.
19 #include <dali/internal/graphics/gles/egl-graphics.h>
22 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
23 #include <dali/internal/system/common/configuration-manager.h>
24 #include <dali/internal/system/common/environment-options.h>
25 #include <dali/internal/window-system/common/display-utils.h> // For Utils::MakeUnique
33 EglGraphics::EglGraphics(EnvironmentOptions& environmentOptions)
34 : mMultiSamplingLevel(0)
36 mDepthBufferRequired = static_cast<Integration::DepthBufferAvailable>(environmentOptions.DepthBufferRequired());
37 mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(environmentOptions.StencilBufferRequired());
38 mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(environmentOptions.PartialUpdateRequired());
39 mMultiSamplingLevel = environmentOptions.GetMultiSamplingLevel();
41 if(environmentOptions.GetGlesCallTime() > 0)
43 mGLES = Utils::MakeUnique<GlProxyImplementation>(environmentOptions);
47 mGLES.reset(new GlImplementation());
50 mGraphicsController.InitializeGLES(*mGLES.get());
53 EglGraphics::~EglGraphics()
57 void EglGraphics::SetGlesVersion(const int32_t glesVersion)
59 if(mEglImplementation)
61 mEglImplementation->SetGlesVersion(glesVersion);
64 mGLES->SetGlesVersion(glesVersion);
66 mGraphicsController.SetGLESVersion(static_cast<Graphics::GLES::GLESVersion>(glesVersion));
69 void EglGraphics::SetIsSurfacelessContextSupported(const bool isSupported)
71 mGLES->SetIsSurfacelessContextSupported(isSupported);
74 void EglGraphics::ActivateResourceContext()
76 if(mEglImplementation && mEglImplementation->IsSurfacelessContextSupported())
78 // Make the shared surfaceless context as current before rendering
79 mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
82 mGraphicsController.ActivateResourceContext();
85 void EglGraphics::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
89 surface->MakeContextCurrent();
92 mGraphicsController.ActivateSurfaceContext(surface);
95 void EglGraphics::PostRender()
97 ActivateResourceContext();
99 if(mGraphicsController.GetCurrentContext())
101 mGraphicsController.GetCurrentContext()->InvalidateDepthStencilBuffers();
105 void EglGraphics::SetFirstFrameAfterResume()
107 if(mEglImplementation)
109 mEglImplementation->SetFirstFrameAfterResume();
113 void EglGraphics::Initialize()
117 // Sync and context helper require EGL to be initialized first (can't execute in the constructor)
118 mGraphicsController.Initialize(*mEglSync.get(), *mEglContextHelper.get(), *this);
121 void EglGraphics::Initialize(bool depth, bool stencil, bool partialRendering, int msaa)
123 mDepthBufferRequired = static_cast<Integration::DepthBufferAvailable>(depth);
124 mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(stencil);
125 mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(partialRendering);
126 mMultiSamplingLevel = msaa;
131 void EglGraphics::EglInitialize()
133 mEglSync = Utils::MakeUnique<EglSyncImplementation>();
134 mEglContextHelper = Utils::MakeUnique<EglContextHelperImplementation>();
135 mEglImplementation = Utils::MakeUnique<EglImplementation>(mMultiSamplingLevel, mDepthBufferRequired, mStencilBufferRequired, mPartialUpdateRequired);
136 mEglImageExtensions = Utils::MakeUnique<EglImageExtensions>(mEglImplementation.get());
138 mEglSync->Initialize(mEglImplementation.get()); // The sync impl needs the EglDisplay
139 mEglContextHelper->Initialize(mEglImplementation.get()); // The context helper impl needs the EglContext
142 void EglGraphics::ConfigureSurface(Dali::RenderSurfaceInterface* surface)
144 DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
146 // Try to use OpenGL es 3.0
147 // ChooseConfig returns false here when the device only support gles 2.0.
148 // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
149 if(!mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32))
151 // Retry to use OpenGL es 2.0
153 mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32);
156 // Check whether surfaceless context is supported
157 bool isSurfacelessContextSupported = mEglImplementation->IsSurfacelessContextSupported();
158 SetIsSurfacelessContextSupported(isSurfacelessContextSupported);
160 RenderSurfaceInterface* currentSurface = nullptr;
161 if(isSurfacelessContextSupported)
163 // Create a surfaceless OpenGL context for shared resources
164 mEglImplementation->CreateContext();
165 ActivateResourceContext();
169 currentSurface = surface;
172 currentSurface->InitializeGraphics();
173 ActivateSurfaceContext(currentSurface);
177 mGLES->ContextCreated();
178 SetGlesVersion(mGLES->GetGlesVersion());
181 void EglGraphics::Shutdown()
183 if(mEglImplementation)
185 // Shutdown controller
186 mGraphicsController.Shutdown();
189 mEglImplementation->TerminateGles();
193 void EglGraphics::Destroy()
195 mGraphicsController.Destroy();
198 GlImplementation& EglGraphics::GetGlesInterface()
203 Integration::GlAbstraction& EglGraphics::GetGlAbstraction() const
205 DALI_ASSERT_DEBUG(mGLES && "GLImplementation not created");
209 EglImplementation& EglGraphics::GetEglImplementation() const
211 DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
212 return *mEglImplementation;
215 EglInterface& EglGraphics::GetEglInterface() const
217 DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
218 EglInterface* eglInterface = mEglImplementation.get();
219 return *eglInterface;
222 EglSyncImplementation& EglGraphics::GetSyncImplementation()
224 DALI_ASSERT_DEBUG(mEglSync && "EglSyncImplementation not created");
228 EglContextHelperImplementation& EglGraphics::GetContextHelperImplementation()
230 DALI_ASSERT_DEBUG(mEglContextHelper && "EglContextHelperImplementation not created");
231 return *mEglContextHelper;
234 EglImageExtensions* EglGraphics::GetImageExtensions()
236 DALI_ASSERT_DEBUG(mEglImageExtensions && "EglImageExtensions not created");
237 return mEglImageExtensions.get();
240 Graphics::Controller& EglGraphics::GetController()
242 return mGraphicsController;
245 void EglGraphics::CacheConfigurations(ConfigurationManager& configurationManager)
247 mGLES->SetIsAdvancedBlendEquationSupported(configurationManager.IsAdvancedBlendEquationSupported());
248 mGLES->SetShadingLanguageVersion(configurationManager.GetShadingLanguageVersion());
251 } // namespace Adaptor
252 } // namespace Internal