[Tizen] Implement partial update

[platform/core/uifw/dali-core.git] / dali / internal / render / renderers / render-surface-frame-buffer.cpp

diff --git a/dali/internal/render/renderers/render-surface-frame-buffer.cpp b/dali/internal/render/renderers/render-surface-frame-buffer.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 4b63c33..babd67f
--- a/dali/internal/render/renderers/render-surface-frame-buffer.cpp
+++ b/dali/internal/render/renderers/render-surface-frame-buffer.cpp
@@ -34,7 +34,10 @@ SurfaceFrameBuffer::SurfaceFrameBuffer( Integration::RenderSurface* surface )
   mWidth( mSurface->GetPositionSize().width ),
   mHeight( mSurface->GetPositionSize().height ),
   mBackgroundColor( 0.f, 0.f, 0.f, 1.f ),
-  mSizeChanged( false )
+  mSizeChanged( false ),
+  mBackgroundColorChanged( false ),
+  mIsSurfaceInvalid( false ),
+  mPartialUpdateEnabled( true )
 {
 }
 
@@ -43,6 +46,11 @@ SurfaceFrameBuffer::~SurfaceFrameBuffer()
 
 void SurfaceFrameBuffer::Destroy( Context& context )
 {
+  if ( IsSurfaceValid() )
+  {
+    mSurface->DestroySurface();
+    mSurface = nullptr;
+  }
 }
 
 void SurfaceFrameBuffer::GlContextDestroyed()
@@ -51,20 +59,33 @@ void SurfaceFrameBuffer::GlContextDestroyed()
   {
     mContext->GlContextDestroyed();
   }
+
+  if ( IsSurfaceValid() )
+  {
+    mSurface->DestroySurface();
+    mSurface = nullptr;
+  }
 }
 
 void SurfaceFrameBuffer::Initialize(Context& context)
 {
   mContext = &context;
   mContext->GlContextCreated();
-  mSurface->InitializeGraphics();
+
+  if ( IsSurfaceValid() )
+  {
+    mSurface->InitializeGraphics();
+  }
 }
 
 void SurfaceFrameBuffer::Bind( Context& context )
 {
-  mSurface->PreRender( mSizeChanged );
+  if ( IsSurfaceValid() )
+  {
+    mSurface->PreRender( mSizeChanged );
 
-  context.BindFramebuffer( GL_FRAMEBUFFER, 0u );
+    context.BindFramebuffer( GL_FRAMEBUFFER, 0u );
+  }
 }
 
 uint32_t SurfaceFrameBuffer::GetWidth() const
@@ -79,24 +100,37 @@ uint32_t SurfaceFrameBuffer::GetHeight() const
 
 void SurfaceFrameBuffer::PostRender()
 {
-  mSurface->PostRender( false, false, mSizeChanged );
+  if ( IsSurfaceValid() )
+  {
+    mSurface->PostRender( false, false, mSizeChanged );
+  }
 
   mSizeChanged = false;
+  mBackgroundColorChanged = false;
+  mPartialUpdateEnabled = true;
 }
 
-Context* SurfaceFrameBuffer::GetContext()
+Rect<int32_t> SurfaceFrameBuffer::SetDamagedRect( const Rect<int32_t>& damagedRect )
 {
-  return mContext;
+  Rect<int32_t> ret;
+  if ( IsSurfaceValid() )
+  {
+    ret = mSurface->SetDamagedRect( damagedRect );
+  }
+  return ret;
 }
 
-Integration::DepthBufferAvailable SurfaceFrameBuffer::GetDepthBufferRequired()
+Context* SurfaceFrameBuffer::GetContext()
 {
-  return mSurface->GetDepthBufferRequired();
+  return mContext;
 }
 
-Integration::StencilBufferAvailable SurfaceFrameBuffer::GetStencilBufferRequired()
+void SurfaceFrameBuffer::MakeContextCurrent()
 {
-  return mSurface->GetStencilBufferRequired();
+  if ( IsSurfaceValid() )
+  {
+    mSurface->MakeContextCurrent();
+  }
 }
 
 Vector4 SurfaceFrameBuffer::GetBackgroundColor()
@@ -114,6 +148,27 @@ void SurfaceFrameBuffer::SetSize( uint32_t width, uint32_t height )
 void SurfaceFrameBuffer::SetBackgroundColor( const Vector4& color )
 {
   mBackgroundColor = color;
+  mBackgroundColorChanged = true;
+}
+
+bool SurfaceFrameBuffer::IsSurfaceValid() const
+{
+  return mSurface && !mIsSurfaceInvalid;
+}
+
+bool SurfaceFrameBuffer::IsPartialUpdateEnabled() const
+{
+  bool ret = false;
+  if ( IsSurfaceValid() )
+  {
+    ret = mSurface->GetBufferAge() && ( mPartialUpdateEnabled && !( mSizeChanged || mBackgroundColorChanged ) );
+  }
+  return ret;
+}
+
+void SurfaceFrameBuffer::SetPartialUpdateEnabled( bool value )
+{
+  mPartialUpdateEnabled = value;
 }
 
 } //Render