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::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
  82 {
  83   if(surface)
  84   {
  85     surface->InitializeGraphics();
  86     surface->MakeContextCurrent();
  87   }
  88 }
  89
  90 void EglGraphics::SetFirstFrameAfterResume()
  91 {
  92   if(mEglImplementation)
  93   {
  94     mEglImplementation->SetFirstFrameAfterResume();
  95   }
  96 }
  97
  98 void EglGraphics::Initialize()
  99 {
 100   EglInitialize();
 101
 102   // Sync and context helper require EGL to be initialized first (can't execute in the constructor)
 103   mGraphicsController.Initialize(*mEglSync.get(), *mEglContextHelper.get(), *this);
 104 }
 105
 106 void EglGraphics::Initialize(bool depth, bool stencil, bool partialRendering, int msaa)
 107 {
 108   mDepthBufferRequired   = static_cast<Integration::DepthBufferAvailable>(depth);
 109   mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(stencil);
 110   mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(partialRendering);
 111   mMultiSamplingLevel    = msaa;
 112
 113   EglInitialize();
 114 }
 115
 116 void EglGraphics::EglInitialize()
 117 {
 118   mEglSync            = Utils::MakeUnique<EglSyncImplementation>();
 119   mEglContextHelper   = Utils::MakeUnique<EglContextHelperImplementation>();
 120   mEglImplementation  = Utils::MakeUnique<EglImplementation>(mMultiSamplingLevel, mDepthBufferRequired, mStencilBufferRequired, mPartialUpdateRequired);
 121   mEglImageExtensions = Utils::MakeUnique<EglImageExtensions>(mEglImplementation.get());
 122
 123   mEglSync->Initialize(mEglImplementation.get());          // The sync impl needs the EglDisplay
 124   mEglContextHelper->Initialize(mEglImplementation.get()); // The context helper impl needs the EglContext
 125 }
 126
 127 void EglGraphics::ConfigureSurface(Dali::RenderSurfaceInterface* surface)
 128 {
 129   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 130
 131   // Try to use OpenGL es 3.0
 132   // ChooseConfig returns false here when the device only support gles 2.0.
 133   // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
 134   if(!mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32))
 135   {
 136     // Retry to use OpenGL es 2.0
 137     SetGlesVersion(20);
 138     mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32);
 139   }
 140
 141   // Check whether surfaceless context is supported
 142   bool isSurfacelessContextSupported = mEglImplementation->IsSurfacelessContextSupported();
 143   SetIsSurfacelessContextSupported(isSurfacelessContextSupported);
 144
 145   RenderSurfaceInterface* currentSurface = nullptr;
 146   if(isSurfacelessContextSupported)
 147   {
 148     // Create a surfaceless OpenGL context for shared resources
 149     mEglImplementation->CreateContext();
 150     mEglImplementation->MakeContextCurrent(EGL_NO_SURFACE, mEglImplementation->GetContext());
 151   }
 152   else
 153   {
 154     currentSurface = surface;
 155     if(currentSurface)
 156     {
 157       currentSurface->InitializeGraphics();
 158       currentSurface->MakeContextCurrent();
 159     }
 160   }
 161
 162   mGLES->ContextCreated();
 163   SetGlesVersion(mGLES->GetGlesVersion());
 164 }
 165
 166 void EglGraphics::Shutdown()
 167 {
 168   if(mEglImplementation)
 169   {
 170     // Shutdown controller
 171     mGraphicsController.Shutdown();
 172
 173     // Terminate GLES
 174     mEglImplementation->TerminateGles();
 175   }
 176 }
 177
 178 void EglGraphics::Destroy()
 179 {
 180   mGraphicsController.Destroy();
 181 }
 182
 183 GlImplementation& EglGraphics::GetGlesInterface()
 184 {
 185   return *mGLES;
 186 }
 187
 188 Integration::GlAbstraction& EglGraphics::GetGlAbstraction() const
 189 {
 190   DALI_ASSERT_DEBUG(mGLES && "GLImplementation not created");
 191   return *mGLES;
 192 }
 193
 194 EglImplementation& EglGraphics::GetEglImplementation() const
 195 {
 196   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 197   return *mEglImplementation;
 198 }
 199
 200 EglInterface& EglGraphics::GetEglInterface() const
 201 {
 202   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 203   EglInterface* eglInterface = mEglImplementation.get();
 204   return *eglInterface;
 205 }
 206
 207 EglSyncImplementation& EglGraphics::GetSyncImplementation()
 208 {
 209   DALI_ASSERT_DEBUG(mEglSync && "EglSyncImplementation not created");
 210   return *mEglSync;
 211 }
 212
 213 EglContextHelperImplementation& EglGraphics::GetContextHelperImplementation()
 214 {
 215   DALI_ASSERT_DEBUG(mEglContextHelper && "EglContextHelperImplementation not created");
 216   return *mEglContextHelper;
 217 }
 218
 219 EglImageExtensions* EglGraphics::GetImageExtensions()
 220 {
 221   DALI_ASSERT_DEBUG(mEglImageExtensions && "EglImageExtensions not created");
 222   return mEglImageExtensions.get();
 223 }
 224
 225 Graphics::Controller& EglGraphics::GetController()
 226 {
 227   return mGraphicsController;
 228 }
 229
 230 void EglGraphics::CacheConfigurations(ConfigurationManager& configurationManager)
 231 {
 232   mGLES->SetIsAdvancedBlendEquationSupported(configurationManager.IsAdvancedBlendEquationSupported());
 233   mGLES->SetShadingLanguageVersion(configurationManager.GetShadingLanguageVersion());
 234 }
 235
 236 } // namespace Adaptor
 237 } // namespace Internal
 238 } // namespace Dali