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