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

   1 /*
   2  * Copyright (c) 2021 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-graphics.h>
  20
  21 // INTERNAL INCLUDES
  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
  26
  27 namespace Dali
  28 {
  29 namespace Internal
  30 {
  31 namespace Adaptor
  32 {
  33 EglGraphics::EglGraphics(EnvironmentOptions& environmentOptions)
  34 : mMultiSamplingLevel(0)
  35 {
  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();
  40
  41   if(environmentOptions.GetGlesCallTime() > 0)
  42   {
  43     mGLES = Utils::MakeUnique<GlProxyImplementation>(environmentOptions);
  44   }
  45   else
  46   {
  47     mGLES.reset(new GlImplementation());
  48   }
  49
  50   mGraphicsController.InitializeGLES(*mGLES.get());
  51 }
  52
  53 EglGraphics::~EglGraphics()
  54 {
  55 }
  56
  57 void EglGraphics::SetGlesVersion(const int32_t glesVersion)
  58 {
  59   if(mEglImplementation)
  60   {
  61     mEglImplementation->SetGlesVersion(glesVersion);
  62   }
  63
  64   mGLES->SetGlesVersion(glesVersion);
  65 }
  66
  67 void EglGraphics::SetIsSurfacelessContextSupported(const bool isSupported)
  68 {
  69   mGLES->SetIsSurfacelessContextSupported(isSupported);
  70 }
  71
  72 void EglGraphics::ActivateResourceContext()
  73 {
  74   mGraphicsController.ActivateResourceContext();
  75
  76   if(mEglImplementation && mEglImplementation->IsSurfacelessContextSupported())
  77   {
  78     // Make the shared surfaceless context as current before rendering
  79     mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
  80   }
  81 }
  82
  83 void EglGraphics::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
  84 {
  85   mGraphicsController.ActivateSurfaceContext(surface);
  86
  87   if(surface)
  88   {
  89     surface->InitializeGraphics();
  90     surface->MakeContextCurrent();
  91   }
  92 }
  93
  94 void EglGraphics::SetFirstFrameAfterResume()
  95 {
  96   if(mEglImplementation)
  97   {
  98     mEglImplementation->SetFirstFrameAfterResume();
  99   }
 100 }
 101
 102 void EglGraphics::Initialize()
 103 {
 104   EglInitialize();
 105
 106   // Sync and context helper require EGL to be initialized first (can't execute in the constructor)
 107   mGraphicsController.Initialize(*mEglSync.get(), *mEglContextHelper.get(), *this);
 108 }
 109
 110 void EglGraphics::Initialize(bool depth, bool stencil, bool partialRendering, int msaa)
 111 {
 112   mDepthBufferRequired   = static_cast<Integration::DepthBufferAvailable>(depth);
 113   mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(stencil);
 114   mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(partialRendering);
 115   mMultiSamplingLevel    = msaa;
 116
 117   EglInitialize();
 118 }
 119
 120 void EglGraphics::EglInitialize()
 121 {
 122   mEglSync            = Utils::MakeUnique<EglSyncImplementation>();
 123   mEglContextHelper   = Utils::MakeUnique<EglContextHelperImplementation>();
 124   mEglImplementation  = Utils::MakeUnique<EglImplementation>(mMultiSamplingLevel, mDepthBufferRequired, mStencilBufferRequired, mPartialUpdateRequired);
 125   mEglImageExtensions = Utils::MakeUnique<EglImageExtensions>(mEglImplementation.get());
 126
 127   mEglSync->Initialize(mEglImplementation.get());          // The sync impl needs the EglDisplay
 128   mEglContextHelper->Initialize(mEglImplementation.get()); // The context helper impl needs the EglContext
 129 }
 130
 131 void EglGraphics::ConfigureSurface(Dali::RenderSurfaceInterface* surface)
 132 {
 133   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 134
 135   // Try to use OpenGL es 3.0
 136   // ChooseConfig returns false here when the device only support gles 2.0.
 137   // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
 138   if(!mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32))
 139   {
 140     // Retry to use OpenGL es 2.0
 141     SetGlesVersion(20);
 142     mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32);
 143   }
 144
 145   // Check whether surfaceless context is supported
 146   bool isSurfacelessContextSupported = mEglImplementation->IsSurfacelessContextSupported();
 147   SetIsSurfacelessContextSupported(isSurfacelessContextSupported);
 148
 149   RenderSurfaceInterface* currentSurface = nullptr;
 150   if(isSurfacelessContextSupported)
 151   {
 152     // Create a surfaceless OpenGL context for shared resources
 153     mEglImplementation->CreateContext();
 154     mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
 155   }
 156   else
 157   {
 158     currentSurface = surface;
 159     if(currentSurface)
 160     {
 161       currentSurface->InitializeGraphics();
 162       currentSurface->MakeContextCurrent();
 163     }
 164   }
 165
 166   mGLES->ContextCreated();
 167   SetGlesVersion(mGLES->GetGlesVersion());
 168 }
 169
 170 void EglGraphics::Shutdown()
 171 {
 172   if(mEglImplementation)
 173   {
 174     // Shutdown controller
 175     mGraphicsController.Shutdown();
 176
 177     // Terminate GLES
 178     mEglImplementation->TerminateGles();
 179   }
 180 }
 181
 182 void EglGraphics::Destroy()
 183 {
 184   mGraphicsController.Destroy();
 185 }
 186
 187 GlImplementation& EglGraphics::GetGlesInterface()
 188 {
 189   return *mGLES;
 190 }
 191
 192 Integration::GlAbstraction& EglGraphics::GetGlAbstraction() const
 193 {
 194   DALI_ASSERT_DEBUG(mGLES && "GLImplementation not created");
 195   return *mGLES;
 196 }
 197
 198 EglImplementation& EglGraphics::GetEglImplementation() const
 199 {
 200   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 201   return *mEglImplementation;
 202 }
 203
 204 EglInterface& EglGraphics::GetEglInterface() const
 205 {
 206   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 207   EglInterface* eglInterface = mEglImplementation.get();
 208   return *eglInterface;
 209 }
 210
 211 EglSyncImplementation& EglGraphics::GetSyncImplementation()
 212 {
 213   DALI_ASSERT_DEBUG(mEglSync && "EglSyncImplementation not created");
 214   return *mEglSync;
 215 }
 216
 217 EglContextHelperImplementation& EglGraphics::GetContextHelperImplementation()
 218 {
 219   DALI_ASSERT_DEBUG(mEglContextHelper && "EglContextHelperImplementation not created");
 220   return *mEglContextHelper;
 221 }
 222
 223 EglImageExtensions* EglGraphics::GetImageExtensions()
 224 {
 225   DALI_ASSERT_DEBUG(mEglImageExtensions && "EglImageExtensions not created");
 226   return mEglImageExtensions.get();
 227 }
 228
 229 Graphics::Controller& EglGraphics::GetController()
 230 {
 231   return mGraphicsController;
 232 }
 233
 234 void EglGraphics::CacheConfigurations(ConfigurationManager& configurationManager)
 235 {
 236   mGLES->SetIsAdvancedBlendEquationSupported(configurationManager.IsAdvancedBlendEquationSupported());
 237   mGLES->SetShadingLanguageVersion(configurationManager.GetShadingLanguageVersion());
 238 }
 239
 240 } // namespace Adaptor
 241 } // namespace Internal
 242 } // namespace Dali