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

   1 /*
   2  * Copyright (c) 2022 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::PostRender()
  97 {
  98   ActivateResourceContext();
  99
 100   if(mGraphicsController.GetCurrentContext())
 101   {
 102     mGraphicsController.GetCurrentContext()->InvalidateDepthStencilBuffers();
 103   }
 104
 105   mGraphicsController.PostRender();
 106 }
 107
 108 void EglGraphics::SetFirstFrameAfterResume()
 109 {
 110   if(mEglImplementation)
 111   {
 112     mEglImplementation->SetFirstFrameAfterResume();
 113   }
 114 }
 115
 116 void EglGraphics::Initialize()
 117 {
 118   EglInitialize();
 119
 120   // Sync and context helper require EGL to be initialized first (can't execute in the constructor)
 121   mGraphicsController.Initialize(*mEglSync.get(), *mEglContextHelper.get(), *this);
 122 }
 123
 124 void EglGraphics::Initialize(bool depth, bool stencil, bool partialRendering, int msaa)
 125 {
 126   mDepthBufferRequired   = static_cast<Integration::DepthBufferAvailable>(depth);
 127   mStencilBufferRequired = static_cast<Integration::StencilBufferAvailable>(stencil);
 128   mPartialUpdateRequired = static_cast<Integration::PartialUpdateAvailable>(partialRendering);
 129   mMultiSamplingLevel    = msaa;
 130
 131   EglInitialize();
 132 }
 133
 134 void EglGraphics::EglInitialize()
 135 {
 136   mEglSync            = Utils::MakeUnique<EglSyncImplementation>();
 137   mEglContextHelper   = Utils::MakeUnique<EglContextHelperImplementation>();
 138   mEglImplementation  = Utils::MakeUnique<EglImplementation>(mMultiSamplingLevel, mDepthBufferRequired, mStencilBufferRequired, mPartialUpdateRequired);
 139   mEglImageExtensions = Utils::MakeUnique<EglImageExtensions>(mEglImplementation.get());
 140
 141   mEglSync->Initialize(mEglImplementation.get());          // The sync impl needs the EglDisplay
 142   mEglContextHelper->Initialize(mEglImplementation.get()); // The context helper impl needs the EglContext
 143 }
 144
 145 void EglGraphics::ConfigureSurface(Dali::RenderSurfaceInterface* surface)
 146 {
 147   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 148
 149   // Try to use OpenGL es 3.0
 150   // ChooseConfig returns false here when the device only support gles 2.0.
 151   // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
 152   if(!mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32))
 153   {
 154     // Retry to use OpenGL es 2.0
 155     SetGlesVersion(20);
 156     mEglImplementation->ChooseConfig(true, COLOR_DEPTH_32);
 157   }
 158
 159   // Check whether surfaceless context is supported
 160   bool isSurfacelessContextSupported = mEglImplementation->IsSurfacelessContextSupported();
 161   SetIsSurfacelessContextSupported(isSurfacelessContextSupported);
 162
 163   RenderSurfaceInterface* currentSurface = nullptr;
 164   if(isSurfacelessContextSupported)
 165   {
 166     // Create a surfaceless OpenGL context for shared resources
 167     mEglImplementation->CreateContext();
 168     ActivateResourceContext();
 169   }
 170   else
 171   {
 172     currentSurface = surface;
 173     if(currentSurface)
 174     {
 175       ActivateSurfaceContext(currentSurface);
 176     }
 177   }
 178
 179   mGLES->ContextCreated();
 180   SetGlesVersion(mGLES->GetGlesVersion());
 181 }
 182
 183 void EglGraphics::Shutdown()
 184 {
 185   if(mEglImplementation)
 186   {
 187     // Shutdown controller
 188     mGraphicsController.Shutdown();
 189
 190     // Terminate GLES
 191     mEglImplementation->TerminateGles();
 192   }
 193 }
 194
 195 void EglGraphics::Destroy()
 196 {
 197   mGraphicsController.Destroy();
 198 }
 199
 200 GlImplementation& EglGraphics::GetGlesInterface()
 201 {
 202   return *mGLES;
 203 }
 204
 205 Integration::GlAbstraction& EglGraphics::GetGlAbstraction() const
 206 {
 207   DALI_ASSERT_DEBUG(mGLES && "GLImplementation not created");
 208   return *mGLES;
 209 }
 210
 211 EglImplementation& EglGraphics::GetEglImplementation() const
 212 {
 213   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 214   return *mEglImplementation;
 215 }
 216
 217 EglInterface& EglGraphics::GetEglInterface() const
 218 {
 219   DALI_ASSERT_ALWAYS(mEglImplementation && "EGLImplementation not created");
 220   EglInterface* eglInterface = mEglImplementation.get();
 221   return *eglInterface;
 222 }
 223
 224 EglSyncImplementation& EglGraphics::GetSyncImplementation()
 225 {
 226   DALI_ASSERT_DEBUG(mEglSync && "EglSyncImplementation not created");
 227   return *mEglSync;
 228 }
 229
 230 EglContextHelperImplementation& EglGraphics::GetContextHelperImplementation()
 231 {
 232   DALI_ASSERT_DEBUG(mEglContextHelper && "EglContextHelperImplementation not created");
 233   return *mEglContextHelper;
 234 }
 235
 236 EglImageExtensions* EglGraphics::GetImageExtensions()
 237 {
 238   DALI_ASSERT_DEBUG(mEglImageExtensions && "EglImageExtensions not created");
 239   return mEglImageExtensions.get();
 240 }
 241
 242 Graphics::Controller& EglGraphics::GetController()
 243 {
 244   return mGraphicsController;
 245 }
 246
 247 void EglGraphics::CacheConfigurations(ConfigurationManager& configurationManager)
 248 {
 249   mGLES->SetIsAdvancedBlendEquationSupported(configurationManager.IsAdvancedBlendEquationSupported());
 250   mGLES->SetIsMultisampledRenderToTextureSupported(configurationManager.IsMultisampledRenderToTextureSupported());
 251   mGLES->SetShadingLanguageVersion(configurationManager.GetShadingLanguageVersion());
 252 }
 253
 254 } // namespace Adaptor
 255 } // namespace Internal
 256 } // namespace Dali