[Tizen] Implement partial update

[platform/core/uifw/dali-adaptor.git] / dali / internal / graphics / gles / egl-implementation.cpp

diff --git a/dali/internal/graphics/gles/egl-implementation.cpp b/dali/internal/graphics/gles/egl-implementation.cpp
index ae95d25..359ac7d 100755 (executable)
--- a/dali/internal/graphics/gles/egl-implementation.cpp
+++ b/dali/internal/graphics/gles/egl-implementation.cpp
@@ -35,9 +35,11 @@
 
 namespace
 {
-  const uint32_t CHECK_EXTENSION_NUMBER = 2;
+  const uint32_t THRESHOLD_SWAPBUFFER_COUNT = 5;
+  const uint32_t CHECK_EXTENSION_NUMBER = 3;
   const std::string EGL_KHR_SURFACELESS_CONTEXT = "EGL_KHR_surfaceless_context";
   const std::string EGL_KHR_CREATE_CONTEXT = "EGL_KHR_create_context";
+  const std::string EGL_KHR_PARTIAL_UPDATE = "EGL_KHR_partial_update";
 }
 
 namespace Dali
@@ -62,7 +64,8 @@ namespace Adaptor
 
 EglImplementation::EglImplementation( int multiSamplingLevel,
                                       Integration::DepthBufferAvailable depthBufferRequired,
-                                      Integration::StencilBufferAvailable stencilBufferRequired )
+                                      Integration::StencilBufferAvailable stencilBufferRequired,
+                                      Integration::PartialUpdateAvailable partialUpdateAvailable )
 : mContextAttribs(),
   mEglNativeDisplay( 0 ),
   mEglNativeWindow( 0 ),
@@ -74,6 +77,7 @@ EglImplementation::EglImplementation( int multiSamplingLevel,
   mCurrentEglContext( EGL_NO_CONTEXT ),
   mMultiSamplingLevel( multiSamplingLevel ),
   mGlesVersion( 30 ),
+  mDamagedRectArray( 0 ),
   mColorDepth( COLOR_DEPTH_24 ),
   mGlesInitialized( false ),
   mIsOwnSurface( true ),
@@ -82,8 +86,26 @@ EglImplementation::EglImplementation( int multiSamplingLevel,
   mStencilBufferRequired( stencilBufferRequired == Integration::StencilBufferAvailable::TRUE ),
   mIsSurfacelessContextSupported( false ),
   mIsKhrCreateContextSupported( false ),
-  mIsFirstFrameAfterResume( false )
+  mSwapBufferCountAfterResume( 0 ),
+  mIsKhrPartialUpdateSupported( false ),
+  mPartialUpdateAvailable( partialUpdateAvailable == Integration::PartialUpdateAvailable::TRUE ),
+  mEglSetDamageRegionKHR( nullptr ),
+  mSwapBuffersWithDamage( nullptr )
 {
+  if( mPartialUpdateAvailable )
+  {
+    mEglSetDamageRegionKHR =  reinterpret_cast< PFNEGLSETDAMAGEREGIONKHRPROC >( eglGetProcAddress( "eglSetDamageRegionKHR" ) );
+    mSwapBuffersWithDamage = reinterpret_cast< PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC >( eglGetProcAddress( "eglSwapBuffersWithDamageEXT" ) );
+    if( !mEglSetDamageRegionKHR || !mSwapBuffersWithDamage )
+    {
+      mPartialUpdateAvailable = false;
+      DALI_LOG_ERROR("Initialization of partial update failed.\n");
+    }
+    else
+    {
+      DALI_LOG_RELEASE_INFO("Initialization of partial update success!\n");
+    }
+  }
 }
 
 EglImplementation::~EglImplementation()
@@ -135,6 +157,16 @@ bool EglImplementation::InitializeGles( EGLNativeDisplayType display, bool isOwn
       mIsKhrCreateContextSupported = true;
       extensionCheckCount++;
     }
+    if( currentExtension == EGL_KHR_PARTIAL_UPDATE )
+    {
+      mIsKhrPartialUpdateSupported = true;
+      extensionCheckCount++;
+    }
+  }
+
+  if( !mIsKhrPartialUpdateSupported )
+  {
+    mPartialUpdateAvailable = false;
   }
 
   // We want to display this information all the time, so use the LogMessage directly
@@ -307,16 +339,83 @@ bool EglImplementation::IsGlesInitialized() const
   return mGlesInitialized;
 }
 
+
+const char* GetEglErrorString(EGLint error)
+{
+    switch(error)
+    {
+    case EGL_SUCCESS: return "No error";
+    case EGL_NOT_INITIALIZED: return "EGL not initialized or failed to initialize";
+    case EGL_BAD_ACCESS: return "Resource inaccessible";
+    case EGL_BAD_ALLOC: return "Cannot allocate resources";
+    case EGL_BAD_ATTRIBUTE: return "Unrecognized attribute or attribute value";
+    case EGL_BAD_CONTEXT: return "Invalid EGL context";
+    case EGL_BAD_CONFIG: return "Invalid EGL frame buffer configuration";
+    case EGL_BAD_CURRENT_SURFACE: return "Current surface is no longer valid";
+    case EGL_BAD_DISPLAY: return "Invalid EGL display";
+    case EGL_BAD_SURFACE: return "Invalid surface";
+    case EGL_BAD_MATCH: return "Inconsistent arguments";
+    case EGL_BAD_PARAMETER: return "Invalid argument";
+    case EGL_BAD_NATIVE_PIXMAP: return "Invalid native pixmap";
+    case EGL_BAD_NATIVE_WINDOW: return "Invalid native window";
+    case EGL_CONTEXT_LOST: return "Context lost";
+    }
+    return "Unknown error ";
+}
+
 void EglImplementation::SwapBuffers( EGLSurface& eglSurface )
 {
   if ( eglSurface != EGL_NO_SURFACE ) // skip if using surfaceless context
   {
-    if( mIsFirstFrameAfterResume )
+#ifndef DALI_PROFILE_UBUNTU
+    if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+    {
+      DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers started.\n" );
+    }
+#endif //DALI_PROFILE_UBUNTU+
+
+    if( mPartialUpdateAvailable && mSwapBuffersWithDamage )
+    {
+      mSwapBuffersWithDamage( mEglDisplay, eglSurface, &mDamagedRectArray[0], mDamagedRectArray.size()/4 );
+    }
+    else
+    {
+      eglSwapBuffers( mEglDisplay, eglSurface );
+    }
+
+#ifndef DALI_PROFILE_UBUNTU
+    if( mSwapBufferCountAfterResume < THRESHOLD_SWAPBUFFER_COUNT )
+    {
+      DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers finished.\n" );
+      mSwapBufferCountAfterResume++;
+    }
+#endif //DALI_PROFILE_UBUNTU
+  }
+}
+
+
+int EglImplementation::GetBufferAge( EGLSurface& eglSurface )
+{
+  int bufferAge = 0;
+  if ( eglSurface != EGL_NO_SURFACE && mIsKhrPartialUpdateSupported )
+  {
+    if( !eglQuerySurface(mEglDisplay, eglSurface, EGL_BUFFER_AGE_KHR, &bufferAge) )
+    {
+      DALI_LOG_ERROR("EglImplementation::GetBufferAge() eglQuerySurface %s ",  GetEglErrorString(eglGetError()) );
+    }
+  }
+  return bufferAge;
+}
+
+void EglImplementation::SetDamagedRect( std::vector<int> damagedRectArray, EGLSurface& eglSurface )
+{
+  mDamagedRectArray = damagedRectArray;
+  if ( eglSurface != EGL_NO_SURFACE && mPartialUpdateAvailable && mEglSetDamageRegionKHR )
+  {
+    if( !mEglSetDamageRegionKHR( mEglDisplay, eglSurface, &damagedRectArray[0], damagedRectArray.size() / 4 ) )
     {
-      DALI_LOG_RELEASE_INFO( "EglImplementation::SwapBuffers: First SwapBuffers call.\n" );
-      mIsFirstFrameAfterResume = false;
+      DALI_LOG_ERROR("EglImplementation::mEglSetDamageRegionKHR() error %s ",  GetEglErrorString(eglGetError()) );
     }
-    eglSwapBuffers( mEglDisplay, eglSurface );
   }
 }
 
@@ -544,7 +643,7 @@ void EglImplementation::SetGlesVersion( const int32_t glesVersion )
 
 void EglImplementation::SetFirstFrameAfterResume()
 {
-  mIsFirstFrameAfterResume = true;
+  mSwapBufferCountAfterResume = 0;
 }
 
 EGLDisplay EglImplementation::GetDisplay() const