diff -r 39e5f73667ba -r c2ef9095503a hostsupport/hostegl/src/EGLWindowSurface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostegl/src/EGLWindowSurface.cpp	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,104 @@
+/* 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.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#include "EGLWindowSurface.h"
+#include "EGLConfig.h"
+#include "ColorDescriptor.h"
+#include "EGLOs.h"
+
+// \todo Use new[]/free[] instead?
+#include <stdlib.h>
+
+CEGLWindowSurface::CEGLWindowSurface() :
+    CEGLSurface( CEGLSurface::WINDOW_SURFACE,
+                 0,
+                 0,
+                 0,
+                 NULL ),
+    m_buffer0( NULL ),
+    m_buffer1( NULL ),
+    m_currentBuffer( NULL ),
+    m_swapInterval( 1 ),
+    m_osContext( NULL )
+    {
+    }
+
+CEGLWindowSurface::CEGLWindowSurface( CEGLConfig* config, EGLint colorSpace, EGLint alphaFormat, EGLint renderBuffer, EGLIOsWindowContext* osContext) :
+    CEGLSurface( CEGLSurface::WINDOW_SURFACE,
+                 colorSpace,
+                 alphaFormat,
+                 renderBuffer,
+                 config ),
+    m_buffer0( NULL ),
+    m_buffer1( NULL ),
+    m_currentBuffer( NULL ),
+    m_swapInterval( 1 ),
+    m_osContext( osContext )
+    {
+    EGLI_ASSERT( m_osContext != NULL );
+    }
+
+CEGLWindowSurface::~CEGLWindowSurface(void)
+    {
+#if !defined(EGLI_USE_PLATSIM_EXTENSIONS)
+    if( m_currentBuffer ) free( m_currentBuffer );
+#endif
+    if( m_osContext )
+        CEGLOs::DestroyOSWindowContext( m_osContext );
+    }
+
+void* CEGLWindowSurface::CurrentBuffer()
+    {
+#if defined(EGLI_USE_PLATSIM_EXTENSIONS)
+    m_currentBuffer = (m_currentBuffer && m_currentBuffer == m_buffer0) ? m_buffer1 : m_buffer0;
+    EGLI_ASSERT( m_currentBuffer != NULL );
+    return m_currentBuffer;
+#else
+    if( !m_currentBuffer || m_osContext->width != Width() || m_osContext->height != Height() )
+        {
+        if( m_currentBuffer ) free( m_currentBuffer );
+        m_currentBuffer = malloc(m_height*m_stride);
+        }
+    return m_currentBuffer;//NULL;
+#endif
+    }
+
+void CEGLWindowSurface::SetSwapInterval( EGLint interval )
+    {
+    // \todo MIN, MAX
+    m_swapInterval = interval;
+    }
+
+void CEGLWindowSurface::SetOsContext( EGLIOsWindowContext* osContext ) 
+    {
+    if( m_osContext )
+        CEGLOs::DestroyOSWindowContext( m_osContext );
+    m_osContext = osContext;
+    }