--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopenvg/src/src/sfEGLInterface.h	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,89 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+
+#ifndef _SFEGLINTERFACE_H_
+#define _SFEGLINTERFACE_H_
+
+#include "riImage.h"
+#include "VGInterface.h"
+
+
+// Get pointer to global interface object.
+extern "C" { RI_API_CALL IEGLtoVGInterface* getVGInterface(void); }
+extern "C" { RI_API_CALL VGErrorCode vgPlatsimGetError(void); }
+
+namespace OpenVGRI 
+{
+    void* eglvgGetCurrentVGContext(void);
+    bool  eglvgIsInUse(void* image);
+	bool  eglvgLockSurface(bool read, bool write);
+    bool  eglvgUnlockSurface();
+	void  OSAcquireMutex(void);
+	void  OSReleaseMutex(void);
+    void  eglvgGetImageDescriptor( void* image, Color::Descriptor &desc, int &width, int &height, int &stride );
+    void* eglvgGetImageData( void* image );
+}
+
+// Services from OpenVG to EGL
+class EGLtoVGInterface : public IEGLtoVGInterface
+{
+public:
+    EGLtoVGInterface();
+    ~EGLtoVGInterface();
+
+    void    SetEGLInterface( IVGtoEGLInterface* egl );
+    void*   CreateContext( void* shareContext );
+    bool    ReleaseContext( void* context );
+    bool    CreateSurface( const SurfaceDescriptor* desc, BufferContainer* buffers, void* image );
+    bool    ReleaseSurface(void* surface);
+    bool    SetCurrentSurface( void* context, void* surface );
+    bool    ResizeSurface( void* context, void* surface, int width, int height, BufferContainer* buffers );
+    bool    IsValidImage( void* image, CColorDescriptor* colorDesc, int* width, int* height );
+    bool    IsImageInUse( void* image );
+    void*   CreateImage();
+    bool    ReleaseImage();
+    void    Flush();
+    void    Finish();
+    fpVGProc GetVGProcAddress( const char *procname );
+    void    CopyBuffers( void* buffer, int stride, void* surface );
+    void    UpdateBuffers( void* buffer, int stride, const SurfaceDescriptor* desc );
+    bool    IsRootImage( void* buffer );
+    void    GetImageData( void* image, SurfaceDescriptor& desc, void* data );
+    void    AddRef( void* image );
+    void    RemoveRef( void* image );
+
+    // Methods for local OpenVG-implementation. To be called only from OpenVG internals.
+    static IVGtoEGLInterface* GetEGLInterface();
+    static OpenVGRI::Color::Descriptor vgDescriptorFromSurfaceDescriptor(const SurfaceDescriptor* sdesc); // \todo static
+    
+private:    
+    int     findContext(OpenVGRI::VGContext* contextPtr);
+    bool    isValidImage(void* image);
+
+private:
+    OpenVGRI::Array<OpenVGRI::VGContext*>   m_contexts;
+    IVGtoEGLInterface*                      m_egl;
+
+};
+
+#endif
+