X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Finternal%2Frender%2Frenderers%2Frender-surface-frame-buffer.h;h=e08666c09b1f605de3ee38098c3ebca78ec69fd4;hb=0a68c62785eaa442cfa213157431d6f2c9b37033;hp=576ea65e59604dd1351b7e658c377ef963c7b19e;hpb=01e3acfab09737f49135fa314a03c2460bcf79dc;p=platform%2Fcore%2Fuifw%2Fdali-core.git

diff --git a/dali/internal/render/renderers/render-surface-frame-buffer.h b/dali/internal/render/renderers/render-surface-frame-buffer.h
index 576ea65..e08666c 100644
--- a/dali/internal/render/renderers/render-surface-frame-buffer.h
+++ b/dali/internal/render/renderers/render-surface-frame-buffer.h
@@ -17,7 +17,11 @@
  * limitations under the License.
  */
 
+// EXTERNAL INCLUDES
+#include <atomic>
+
 // INTERNAL INCLUDES
+#include <dali/internal/update/manager/update-manager.h>
 #include <dali/internal/render/renderers/render-frame-buffer.h>
 #include <dali/integration-api/render-surface.h>
 
@@ -82,43 +86,65 @@ public:
    */
   bool IsSurfaceBacked() override { return true; };
 
-public:
+  /**
+   * @brief Sets the frame buffer size.
+   * @param[in] width The width size
+   * @param[in] height The height size
+   */
+  void SetSize( uint32_t width, uint32_t height );
 
   /**
-   * Called after this frame buffer is rendered in the render manager
+   * @copydoc Dali::Internal::FrameBuffer::MarkSurfaceAsInvalid()
    */
-  void PostRender();
+  void MarkSurfaceAsInvalid() { mIsSurfaceInvalid = true; };
 
   /**
-   * Gets the context holding the GL state of rendering for the surface
-   * @return the context
+   * @brief Gets whether the render surface in this frame buffer is valid or not
+   * @note The render surface becomes invalid when it is deleted in the event thread
+   * @return Whether the render surface is valid or not
    */
-  Context* GetContext();
+  bool IsSurfaceValid() const;
+
+public:
 
   /**
-   * @brief Gets whether the depth buffer is required
-   * @return TRUE if the depth buffer is required
+   * Called after this frame buffer is rendered in the render manager
    */
-  Integration::DepthBufferAvailable GetDepthBufferRequired();
+  void PostRender();
 
   /**
-   * @brief Gets whether the stencil buffer is required
-   * @return TRUE if the stencil buffer is required
+   * Gets the context holding the GL state of rendering for the surface
+   * @return the context
    */
-  Integration::StencilBufferAvailable GetStencilBufferRequired();
+  Context* GetContext();
 
   /**
-   * @brief Gets the background color of the surface.
-   * @return The background color
+   * @brief Makes the graphics context current
    */
-  Vector4 GetBackgroundColor();
+  void MakeContextCurrent();
 
 private:
 
   Integration::RenderSurface* mSurface;   ///< The render surface
   Context*                    mContext;   ///< The context holding the GL state of rendering for the surface backed frame buffer
+
+  uint32_t                    mWidth;
+  uint32_t                    mHeight;
+  bool                        mSizeChanged;
+  std::atomic<bool>           mIsSurfaceInvalid; ///< This is set only from the event thread and read only from the render thread
 };
 
+// Messages for FrameBuffer
+inline void SetFrameBufferSizeMessage( SceneGraph::UpdateManager& updateManager, SurfaceFrameBuffer* surfaceFrameBuffer, uint32_t width, uint32_t height )
+{
+  typedef MessageValue2< SurfaceFrameBuffer, uint32_t, uint32_t  > LocalType;
+
+  // Reserve some memory inside the message queue
+  uint32_t* slot = updateManager.ReserveMessageSlot( sizeof( LocalType ) );
+
+  // Construct message in the message queue memory; note that delete should not be called on the return value
+  new (slot) LocalType( surfaceFrameBuffer, &SurfaceFrameBuffer::SetSize, width, height );
+}
 
 } // namespace Render