--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/openvg/openvgrefimplementation/sfopenvg/vgi/vgi.cpp	Mon Feb 08 19:15:06 2010 +0000
@@ -0,0 +1,200 @@
+/*
+* Copyright (c) 2009 Symbian Foundation Ltd
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* Symbian Foundation Ltd - initial contribution.
+* 
+* Contributors:
+*
+* Description:
+* Implementation of VGI interface
+*/
+
+#include <e32std.h>
+#include <vg\vgcontext.h>
+#include <vg\vgcontext_symbian.h>
+#include <egl.h>
+
+#define MAX_WIDTH 		320*4 // in bytes
+#define MAX_HEIGHT 		320*4 // in bytes
+class TEgl
+	{
+public:
+	TEgl() :
+	iEgldisplay(0),
+	iEglsurface(0),
+	iEglcontext(0),
+	iInitialised(EFalse),
+	iPixmap(NULL)
+	{};
+
+public: //data
+	EGLDisplay iEgldisplay;
+	EGLSurface iEglsurface;
+	EGLContext iEglcontext;
+	TBool iInitialised;
+	CFbsBitmap* iPixmap;
+	};
+
+
+TEgl& GetEglInstance()
+	{
+	//use TLS
+	//use TLS to store static global egl
+	TEgl* pEgl=NULL; 
+	if((pEgl = static_cast<TEgl*>(Dll::Tls()))==NULL)
+		{
+		//create TLS instance
+		pEgl = new(ELeave)TEgl;
+		Dll::SetTls(pEgl);
+		}
+	return *pEgl;
+	}
+
+void ReleaseTls()
+	{
+	TEgl* pEgl = static_cast<TEgl*>(Dll::Tls());
+	if (pEgl)
+		delete pEgl; 
+	Dll::SetTls(NULL);
+	}
+
+VGI_API_CALL int VGIInitialize( int /*width*/, int /*height*/, VGIColorSpace /*colorSpace*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL int VGIInitializeEx( int /*width*/, int /*height*/, VGIColorSpace /*colorSpace*/, int /*premultiplied*/, int /*conformant*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL int VGICopyToTarget( VGIColorBufferFormat /*format*/, int /*bufferStride*/, void */*buffer*/, int /*maskStride*/, void */*mask*/, VGICopyToTargetHint /*hint*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL void VGITerminate( void )
+	{
+
+	}
+
+VGI_API_CALL int VGIResize( int /*width*/, int /*height*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL int VGIBindToImage( VGImage /*image*/ )
+	{
+	return VGI_OK;
+	}	
+
+VGI_API_CALL int VGIUnBindImage( void )
+	{
+	return VGI_OK;
+	}
+
+
+
+VGI_API_CALL TInt VGISymbianInitialize( TSize aSize, VGIColorSpace /*aColorSpace*/ )
+	{
+	TEgl& egl = GetEglInstance();
+	//only init once
+	if(!egl.iInitialised)
+		{
+		egl.iInitialised = ETrue;
+		static const EGLint s_configAttribs[] =
+			{
+					EGL_RED_SIZE,
+					8,
+					EGL_GREEN_SIZE,
+					8,
+					EGL_BLUE_SIZE,
+					8,
+					EGL_ALPHA_SIZE,
+					8,
+					EGL_LUMINANCE_SIZE,
+					EGL_DONT_CARE, //EGL_DONT_CARE
+					EGL_SURFACE_TYPE,
+					EGL_WINDOW_BIT,
+					EGL_SAMPLES,
+					1,
+					EGL_NONE
+			};
+		EGLint numconfigs;
+		
+		egl.iEgldisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+		eglInitialize(egl.iEgldisplay, NULL, NULL);
+		__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+		eglBindAPI(EGL_OPENVG_API);
+		
+		EGLConfig  eglconfig;
+		
+		eglChooseConfig(egl.iEgldisplay, s_configAttribs, &eglconfig, 1, &numconfigs);
+		__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+		__ASSERT_ALWAYS(numconfigs == 1,User::Invariant());
+		
+		TSize maxSize(MAX_WIDTH,MAX_HEIGHT);
+		egl.iPixmap = new(ELeave) CFbsBitmap();
+		egl.iPixmap->Create( maxSize, EColor16MA );
+		 
+		egl.iEglsurface = eglCreatePixmapSurface(egl.iEgldisplay, eglconfig, (EGLNativePixmapType)egl.iPixmap, NULL);
+		__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+				
+		egl.iEglcontext = eglCreateContext(egl.iEgldisplay, eglconfig, NULL, NULL);
+		__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+		eglMakeCurrent(egl.iEgldisplay, egl.iEglsurface, egl.iEglsurface, egl.iEglcontext);
+		__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+	
+		}
+		return VGI_OK;
+	}
+
+VGI_API_CALL TInt VGISymbianInitializeEx( TSize /*aSize*/, VGIColorSpace /*aColorSpace*/, TBool /*aPremultiplied*/, TBool /*aConformant*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL TInt VGISymbianCopyToBitmap( CFbsBitmap *aBitmap, CFbsBitmap *aMaskBitmap, VGICopyToTargetHint /*aHint*/ )
+	{
+	TEgl& egl = GetEglInstance();	
+	
+	eglCopyBuffers(egl.iEgldisplay, egl.iEglsurface,(EGLNativePixmapType)aBitmap);
+	
+	if(aMaskBitmap)
+		{
+		eglCopyBuffers(egl.iEgldisplay, egl.iEglsurface,(EGLNativePixmapType)aMaskBitmap);		
+		}
+	
+	__ASSERT_ALWAYS(eglGetError() == EGL_SUCCESS,User::Invariant());
+	return VGI_OK;
+	}
+
+VGI_API_CALL void VGISymbianTerminate()
+{
+	TEgl& egl = GetEglInstance();
+	eglDestroyContext(egl.iEgldisplay, egl.iEglcontext);
+	eglDestroySurface(egl.iEgldisplay, egl.iEglsurface);
+	delete egl.iPixmap;
+	ReleaseTls();
+}
+
+VGI_API_CALL TInt VGISymbianResize( TSize aSize )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL TInt VGISymbianBindToImage( VGImage /*aImage*/ )
+	{
+	return VGI_OK;
+	}
+
+VGI_API_CALL TInt VGISymbianUnBindImage()
+	{
+	return VGI_OK;
+	}
+