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   if(mEglImplementation && mEglImplementation->IsSurfacelessContextSupported())
  75   {
  76     // Make the shared surfaceless context as current before rendering
  77     mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
  78   }
  79 }
  80
  81 void EglGraphics::SetFirstFrameAfterResume()
  82 {
  83   if(mEglImplementation)
  84   {
  85     mEglImplementation->SetFirstFrameAfterResume();
  86   }
  87 }
  88
  89 void EglGraphics::Initialize()
  90 {
  91   EglInitialize();
  92
  93   // Sync and context helper require EGL to be initialized first (can't execute in the constructor)
  94   mGraphicsController.Initialize(*mEglSync.get(), *mEglContextHelper.get());
  95 }
  96
  97 void EglGraphics::Initialize(bool depth, bool stencil, bool partialRendering, int msaa)
  98 {
  99   mDepthBufferRequired   = static_cast<Integration::DepthBufferAvailable>(depth);
 100   mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(stencil);
 101   mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(partialRendering);
 102   mMultiSamplingLevel    = msaa;
 103
 104   EglInitialize();
 105 }
 106
 107 void EglGraphics::EglInitialize()
 108 {
 109   mEglSync            = Utils::MakeUnique<EglSyncImplementation>();
 110   mEglContextHelper   = Utils::MakeUnique<EglContextHelperImplementation>();
 111   mEglImplementation  = Utils::MakeUnique<EglImplementation>(mMultiSamplingLevel, mDepthBufferRequired, mStencilBufferRequired, mPartialUpdateRequired);
 112   mEglImageExtensions = Utils::MakeUnique<EglImageExtensions>(mEglImplementation.get());
 113
 114   mEglSync->Initialize(mEglImplementation.get());          // The sync impl needs the EglDisplay
 115   mEglContextHelper->Initialize(mEglImplementation.get()); // The context helper impl needs the EglContext
 116 }
 117
 118 void EglGraphics::ConfigureSurface(Dali::RenderSurfaceInterface* surface)
 119 {
 120   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 121
 122   // Try to use OpenGL es 3.0
 123   // ChooseConfig returns false here when the device only support gles 2.0.
 124   // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
 125   if(!mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32))
 126   {
 127     // Retry to use OpenGL es 2.0
 128     SetGlesVersion(20);
 129     mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32);
 130   }
 131
 132   // Check whether surfaceless context is supported
 133   bool isSurfacelessContextSupported = mEglImplementation->IsSurfacelessContextSupported();
 134   SetIsSurfacelessContextSupported(isSurfacelessContextSupported);
 135
 136   RenderSurfaceInterface* currentSurface = nullptr;
 137   if(isSurfacelessContextSupported)
 138   {
 139     // Create a surfaceless OpenGL context for shared resources
 140     mEglImplementation->CreateContext();
 141     mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
 142   }
 143   else
 144   {
 145     currentSurface = surface;
 146     if(currentSurface)
 147     {
 148       currentSurface->InitializeGraphics();
 149       currentSurface->MakeContextCurrent();
 150     }
 151   }
 152
 153   mGLES->ContextCreated();
 154   SetGlesVersion(mGLES->GetGlesVersion());
 155 }
 156
 157 void EglGraphics::Shutdown()
 158 {
 159   if(mEglImplementation)
 160   {
 161     // Shutdown controller
 162     mGraphicsController.Shutdown();
 163
 164     // Terminate GLES
 165     mEglImplementation->TerminateGles();
 166   }
 167 }
 168
 169 void EglGraphics::Destroy()
 170 {
 171   mGraphicsController.Destroy();
 172 }
 173
 174 GlImplementation& EglGraphics::GetGlesInterface()
 175 {
 176   return *mGLES;
 177 }
 178
 179 Integration::GlAbstraction& EglGraphics::GetGlAbstraction() const
 180 {
 181   DALI_ASSERT_DEBUG(mGLES && "GLImplementation not created");
 182   return *mGLES;
 183 }
 184
 185 EglImplementation& EglGraphics::GetEglImplementation() const
 186 {
 187   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 188   return *mEglImplementation;
 189 }
 190
 191 EglInterface& EglGraphics::GetEglInterface() const
 192 {
 193   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 194   EglInterface* eglInterface = mEglImplementation.get();
 195   return *eglInterface;
 196 }
 197
 198 EglSyncImplementation& EglGraphics::GetSyncImplementation()
 199 {
 200   DALI_ASSERT_DEBUG(mEglSync && "EglSyncImplementation not created");
 201   return *mEglSync;
 202 }
 203
 204 EglContextHelperImplementation& EglGraphics::GetContextHelperImplementation()
 205 {
 206   DALI_ASSERT_DEBUG(mEglContextHelper && "EglContextHelperImplementation not created");
 207   return *mEglContextHelper;
 208 }
 209
 210 EglImageExtensions* EglGraphics::GetImageExtensions()
 211 {
 212   DALI_ASSERT_DEBUG(mEglImageExtensions && "EglImageExtensions not created");
 213   return mEglImageExtensions.get();
 214 }
 215
 216 Graphics::Controller& EglGraphics::GetController()
 217 {
 218   return mGraphicsController;
 219 }
 220
 221 void EglGraphics::CacheConfigurations(ConfigurationManager& configurationManager)
 222 {
 223   mGLES->SetIsAdvancedBlendEquationSupported(configurationManager.IsAdvancedBlendEquationSupported());
 224   mGLES->SetShadingLanguageVersion(configurationManager.GetShadingLanguageVersion());
 225 }
 226
 227 } // namespace Adaptor
 228 } // namespace Internal
 229 } // namespace Dali