Support surfaceless context for OpenGL ES 2

[platform/core/uifw/dali-adaptor.git] / dali / internal / adaptor / common / combined-update-render-controller.cpp

diff --git a/dali/internal/adaptor/common/combined-update-render-controller.cpp b/dali/internal/adaptor/common/combined-update-render-controller.cpp
index a73104a..5c11f02 100644 (file)
--- a/dali/internal/adaptor/common/combined-update-render-controller.cpp
+++ b/dali/internal/adaptor/common/combined-update-render-controller.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,6 +29,9 @@
 #include <dali/internal/system/common/time-service.h>
 #include <dali/internal/adaptor/common/adaptor-internal-services.h>
 #include <dali/devel-api/adaptor-framework/thread-settings.h>
+#include <dali/internal/graphics/gles/egl-graphics.h>
+#include <dali/internal/graphics/gles/egl-implementation.h>
+#include <dali/internal/graphics/common/graphics-interface.h>
 
 namespace Dali
 {
@@ -119,7 +122,7 @@ CombinedUpdateRenderController::CombinedUpdateRenderController( AdaptorInternalS
   SetRenderRefreshRate( environmentOptions.GetRenderRefreshRate() );
 
   // Set the thread-synchronization interface on the render-surface
-  RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
+  Dali::RenderSurfaceInterface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
   if( currentSurface )
   {
     currentSurface->SetThreadSynchronization( *this );
@@ -169,7 +172,7 @@ void CombinedUpdateRenderController::Start()
     sem_wait( &mEventThreadSemaphore );
   }
 
-  RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
+  Integration::RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
   if( currentSurface )
   {
     currentSurface->StartRender();
@@ -180,6 +183,8 @@ void CombinedUpdateRenderController::Start()
   LOG_EVENT( "Startup Complete, starting Update/Render Thread" );
 
   RunUpdateRenderThread( CONTINUOUS, false /* No animation progression */ );
+
+  DALI_LOG_RELEASE_INFO( "CombinedUpdateRenderController::Start\n" );
 }
 
 void CombinedUpdateRenderController::Pause()
@@ -191,6 +196,8 @@ void CombinedUpdateRenderController::Pause()
   PauseUpdateRenderThread();
 
   AddPerformanceMarker( PerformanceInterface::PAUSED );
+
+  DALI_LOG_RELEASE_INFO( "CombinedUpdateRenderController::Pause\n" );
 }
 
 void CombinedUpdateRenderController::Resume()
@@ -208,6 +215,8 @@ void CombinedUpdateRenderController::Resume()
     mRunning = TRUE;
     mForceClear = TRUE;
   }
+
+  DALI_LOG_RELEASE_INFO( "CombinedUpdateRenderController::Resume\n" );
 }
 
 void CombinedUpdateRenderController::Stop()
@@ -215,7 +224,7 @@ void CombinedUpdateRenderController::Stop()
   LOG_EVENT_TRACE;
 
   // Stop Rendering and the Update/Render Thread
-  RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
+  Integration::RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
   if( currentSurface )
   {
     currentSurface->StopRender();
@@ -235,6 +244,8 @@ void CombinedUpdateRenderController::Stop()
   }
 
   mRunning = FALSE;
+
+  DALI_LOG_RELEASE_INFO( "CombinedUpdateRenderController::Stop\n" );
 }
 
 void CombinedUpdateRenderController::RequestUpdate()
@@ -275,7 +286,7 @@ void CombinedUpdateRenderController::RequestUpdateOnce()
   }
 }
 
-void CombinedUpdateRenderController::ReplaceSurface( RenderSurface* newSurface )
+void CombinedUpdateRenderController::ReplaceSurface( Dali::RenderSurfaceInterface* newSurface )
 {
   LOG_EVENT_TRACE;
 
@@ -407,10 +418,48 @@ void CombinedUpdateRenderController::UpdateRenderThread()
 
   LOG_UPDATE_RENDER( "THREAD CREATED" );
 
-  RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
-  if( currentSurface )
+  // Initialize EGL & OpenGL
+  Dali::DisplayConnection& displayConnection = mAdaptorInterfaces.GetDisplayConnectionInterface();
+  displayConnection.Initialize();
+
+  RenderSurfaceInterface* currentSurface = nullptr;
+
+  GraphicsInterface& graphics = mAdaptorInterfaces.GetGraphicsInterface();
+  EglGraphics* eglGraphics = static_cast<EglGraphics *>(&graphics);
+
+  // This will only be created once
+  EglInterface* eglInterface = &eglGraphics->GetEglInterface();
+
+  Internal::Adaptor::EglImplementation& eglImpl = static_cast<Internal::Adaptor::EglImplementation&>( *eglInterface );
+
+  // Try to use OpenGL es 3.0
+  // ChooseConfig returns false here when the device only support gles 2.0.
+  // Because eglChooseConfig with gles 3.0 setting fails when the device only support gles 2.0 and Our default setting is gles 3.0.
+  if( !eglImpl.ChooseConfig( true, COLOR_DEPTH_32 ) )
   {
-    currentSurface->InitializeGraphics( mAdaptorInterfaces.GetGraphicsInterface(), mAdaptorInterfaces.GetDisplayConnectionInterface() );
+    // Retry to use OpenGL es 2.0
+    eglGraphics->SetGlesVersion( 20 );
+    eglImpl.ChooseConfig( true, COLOR_DEPTH_32 );
+  }
+
+  // Check whether surfaceless context is supported
+  bool isSurfacelessContextSupported = eglImpl.IsSurfacelessContextSupported();
+  eglGraphics->SetIsSurfacelessContextSupported( isSurfacelessContextSupported );
+
+  if ( isSurfacelessContextSupported )
+  {
+    // Create a surfaceless OpenGL context for shared resources
+    eglImpl.CreateContext();
+    eglImpl.MakeContextCurrent( EGL_NO_SURFACE, eglImpl.GetContext() );
+  }
+  else
+  {
+    currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
+    if( currentSurface )
+    {
+      currentSurface->InitializeGraphics();
+      currentSurface->MakeContextCurrent();
+    }
   }
 
   // Tell core it has a context
@@ -458,7 +507,7 @@ void CombinedUpdateRenderController::UpdateRenderThread()
     // REPLACE SURFACE
     //////////////////////////////
 
-    RenderSurface* newSurface = ShouldSurfaceBeReplaced();
+    Integration::RenderSurface* newSurface = ShouldSurfaceBeReplaced();
     if( DALI_UNLIKELY( newSurface ) )
     {
       LOG_UPDATE_RENDER_TRACE_FMT( "Replacing Surface" );
@@ -469,6 +518,7 @@ void CombinedUpdateRenderController::UpdateRenderThread()
       // If the new surface has a different display connection, then the context will be lost
 
       mAdaptorInterfaces.GetDisplayConnectionInterface().Initialize();
+      newSurface->InitializeGraphics();
       newSurface->ReplaceGraphicsSurface();
       SurfaceReplaced();
     }
@@ -515,8 +565,8 @@ void CombinedUpdateRenderController::UpdateRenderThread()
     }
 
     // Check resize
-    bool surfaceResized = ShouldSurfaceBeResized();
-    if( DALI_UNLIKELY( surfaceResized ) )
+    bool shouldSurfaceBeResized = ShouldSurfaceBeResized();
+    if( DALI_UNLIKELY( shouldSurfaceBeResized ) )
     {
       if( updateStatus.SurfaceRectChanged() )
       {
@@ -544,10 +594,10 @@ void CombinedUpdateRenderController::UpdateRenderThread()
       }
     }
 
-    RenderSurface* currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
-    if( currentSurface )
+    if( eglImpl.IsSurfacelessContextSupported() )
     {
-      currentSurface->PreRender( mSurfaceResized );
+      // Make the shared surfaceless context as current before rendering
+      eglImpl.MakeContextCurrent( EGL_NO_SURFACE, eglImpl.GetContext() );
     }
 
     Integration::RenderStatus renderStatus;
@@ -558,14 +608,6 @@ void CombinedUpdateRenderController::UpdateRenderThread()
 
     mForceClear = false;
 
-    if( renderStatus.NeedsPostRender() )
-    {
-      if( currentSurface )
-      {
-        currentSurface->PostRender( isRenderingToFbo, ( mNewSurface != NULL ), mSurfaceResized );
-      }
-    }
-
     // Trigger event thread to request Update/Render thread to sleep if update not required
     if( ( Integration::KeepUpdating::NOT_REQUESTED == keepUpdatingStatus ) && !renderStatus.NeedsUpdate() )
     {
@@ -624,6 +666,7 @@ void CombinedUpdateRenderController::UpdateRenderThread()
 
   // Inform core of context destruction & shutdown EGL
   mCore.ContextDestroyed();
+  currentSurface = mAdaptorInterfaces.GetRenderSurfaceInterface();
   if( currentSurface )
   {
     currentSurface->DestroySurface();
@@ -687,11 +730,11 @@ bool CombinedUpdateRenderController::UpdateRenderReady( bool& useElapsedTime, bo
   return ! mDestroyUpdateRenderThread;
 }
 
-RenderSurface* CombinedUpdateRenderController::ShouldSurfaceBeReplaced()
+Integration::RenderSurface* CombinedUpdateRenderController::ShouldSurfaceBeReplaced()
 {
   ConditionalWait::ScopedLock lock( mUpdateRenderThreadWaitCondition );
 
-  RenderSurface* newSurface = mNewSurface;
+  Integration::RenderSurface* newSurface = mNewSurface;
   mNewSurface = NULL;
 
   return newSurface;