--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/rendervg10/src/HuiFxVg10FilterBase.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* 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:   
+*
+*/
+
+
+
+#include "HuiFxVg10FilterBase.h"
+#include "uiacceltk/HuiUtil.h"
+
+
+//_LIT(KLitPanicMessage, "HuiFx");
+
+
+TBool CHuiFxVg10FilterBase::Draw(CHuiFxEngine& aEngine, CHuiGc& /* aGc */, CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource,
+                                            const TRect& aTargetRect, const TRect& aSourceRect)
+    {
+    aTarget.BindAsTexture(ERenderbufferUsageWriteOnly);
+    aSource.BindAsTexture(ERenderbufferUsageReadOnly);
+    VGImage srcImage  = (reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aSource))->AcquireSubImage(aSourceRect);
+    VGImage destImage = (reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aTarget))->AcquireSubImage(aTargetRect);
+    
+    // take opacity into account
+    const VGfloat opacity = clamp(iOpacity, 0.0f, 1.0f);
+
+    if(opacity > EPSILON)
+        {
+        DrawEffect(aEngine, destImage, srcImage, aSourceRect.Width(), aSourceRect.Height());
+        }
+    else
+        {
+//        VGint width = vgGetParameteri(srcImage, VG_IMAGE_WIDTH);
+//        VGint height = vgGetParameteri(srcImage, VG_IMAGE_HEIGHT);
+        VGint width = aSourceRect.Width();
+        VGint height = aSourceRect.Height();
+        vgCopyImage(destImage, 0, 0, srcImage, 0, 0, width, height, VG_FALSE);
+        }
+
+    HUIFX_VG_INVARIANT();    
+    (reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aSource))->ReleaseSubImage(srcImage);
+    (reinterpret_cast<CHuiFxVg10RenderbufferBase*>(&aTarget))->ReleaseSubImage(destImage);
+    aTarget.UnbindAsTexture();
+    aSource.UnbindAsTexture();
+    
+    return wasEnoughMemory();
+    }
+
+// any unexpected error results in panic
+TBool CHuiFxVg10FilterBase::wasEnoughMemory()
+    {
+#ifndef _DEBUG
+	// vgGetError() -call is REALLY SLOW on HW, remove for now at least,
+	// since nobody is really even checking this return value nor acting on it..
+    TBool success = ETrue;
+#else
+    TBool success = EFalse;
+    const VGErrorCode vgError = vgGetError();
+    
+    switch(vgError)
+        {
+        case VG_NO_ERROR : 
+            success = ETrue;
+            break;
+            
+        case VG_OUT_OF_MEMORY_ERROR : 
+            success = EFalse;
+            break;
+            
+        default :
+            success = EFalse;
+            // should print an error instead of panicking
+            HUI_DEBUG1(_L("CHuiFxVg10FilterBase::wasEnoughMemory() vgError -- %04x"), vgError);
+//            User::Panic(KLitPanicMessage, vgError);
+        }
+#endif
+    return success;
+    }