uiacceltk/hitchcock/coretoolkit/rendervg10/inc/HuiFxVg10OffscreenRenderbuffer.h
changeset 0 15bf7259bb7c
child 9 3ac8bf5c5014
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/rendervg10/inc/HuiFxVg10OffscreenRenderbuffer.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,64 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   
+*
+*/
+
+
+
+#ifndef HUIFXVG10OFFSCREENRENDERBUFFER_H_
+#define HUIFXVG10OFFSCREENRENDERBUFFER_H_
+
+#include "HuiFxVg10RenderbufferBase.h"
+#include "HuiVg10RenderPlugin.h"
+
+//FORWARD DECLARATIONS
+class CHuiVg10RenderPlugin;
+
+class CHuiFxVg10OffscreenRenderbuffer: public CHuiFxVg10RenderbufferBase
+    {
+public:
+    static CHuiFxVg10OffscreenRenderbuffer* NewL(CHuiVg10RenderPlugin& aPlugin, const TSize& aSize);
+    ~CHuiFxVg10OffscreenRenderbuffer();
+
+    void InitGc(const TSize& aSize);
+    CHuiGc& BindAsRenderTarget();
+    void BindAsTexture(THuiFxRenderbufferUsage aUsage);
+    void UnbindAsRenderTarget();
+    void UnbindAsTexture();
+
+    void PrepareForReuse(const TSize& aReusedSize);
+    
+    VGImage Image() const;
+protected:
+    void ConstructL(CHuiVg10RenderPlugin& aPlugin, const TSize& aSize);
+private:
+    void ReadBackground();
+    void PushEGLContext();
+    void PopEGLContext();
+    
+private:
+    CHuiVg10RenderPlugin*   iPlugin;
+    CHuiGc*                 iGc;
+    VGImage                 iImage;
+    EGLContext              iContext;
+    EGLSurface              iSurface;
+    EGLContext              iSavedContext;
+    EGLSurface              iSavedReadSurface;
+    EGLSurface              iSavedDrawSurface;
+    VGImage                 iRotatedImage;    
+    TEGLState               iPreviousEGLState;
+    };
+
+#endif /*HUIFXVG10OFFSCREENRENDERBUFFER_H_*/