--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/openvg/openvgrefimplementation/sfopenvg/sfopenvg/symbian/riEGLOS.cpp	Mon Feb 08 19:15:06 2010 +0000
@@ -0,0 +1,242 @@
+/*------------------------------------------------------------------------
+ *
+ * EGL 1.3
+ * -------
+ *
+ * Copyright (c) 2007 The Khronos Group Inc.
+ *
+ * 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.
+ *
+ *//**
+ * \file
+ * \brief	Generic OS EGL functionality (not thread safe, no window rendering)
+ * \note
+  *//*-------------------------------------------------------------------*/
+
+#include "egl.h"
+#include "riImage.h"
+#include "riDefs.h"
+
+#include <e32std.h>
+#include <w32std.h>
+#include <eglosnativewindowtype.h>
+
+namespace OpenVGRI
+{
+//internal fucntions
+VGImageFormat MapSymbianDisplayModeToVG(TDisplayMode aMode);
+void ReadPixelsToCFbsBitmap(CFbsBitmap& aBitmap, TUint aW, TUint aH);
+
+
+/*-------------------------------------------------------------------*//*!
+* \brief	
+* \param	
+* \return	
+* \note		
+*//*-------------------------------------------------------------------*/
+
+void* OSGetCurrentThreadID(void)
+{
+	int g_threadid = RThread().Id();
+	return (void*)g_threadid;
+}
+
+/*-------------------------------------------------------------------*//*!
+* \brief	
+* \param	
+* \return	
+* \note		
+*//*-------------------------------------------------------------------*/
+
+void OSDeinitMutex(void)
+{
+}
+
+void OSAcquireMutex(void)
+{
+}
+
+void OSReleaseMutex(void)
+{
+}
+
+/*-------------------------------------------------------------------*//*!
+* \brief	
+* \param	
+* \return	
+* \note		
+*//*-------------------------------------------------------------------*/
+
+struct OSWindowContext
+{
+	TNativeWindowType*  iNativeWindowType;   
+};
+
+void* OSCreateWindowContext(EGLNativeWindowType window)
+{
+    OSWindowContext* ctx = NULL;
+    try
+    {
+        ctx = RI_NEW(OSWindowContext, ());
+    }
+	catch(std::bad_alloc)
+	{
+		return NULL;
+	}
+    ctx->iNativeWindowType = (TNativeWindowType*)window;
+    return ctx;
+}
+
+void OSDestroyWindowContext(void* context)
+{
+    OSWindowContext* ctx = (OSWindowContext*)context;
+    if(ctx)
+    {
+        RI_DELETE(ctx);
+    }
+}
+
+bool OSIsWindow(const void* context)
+{
+    OSWindowContext* ctx = (OSWindowContext*)context;
+    if(ctx)
+    {
+        return true;
+    }
+    return false;
+}
+
+void OSGetWindowSize(const void* context, int& width, int& height)
+{
+    OSWindowContext* ctx = (OSWindowContext*)context;
+    if(ctx)
+    {
+    	width=ctx->iNativeWindowType->iSize.iWidth;
+		height=ctx->iNativeWindowType->iSize.iHeight; 
+    }
+    else
+    {
+        width = 0;
+        height = 0;
+    }
+}
+
+
+EGLDisplay OSGetDisplay(EGLNativeDisplayType display_id)
+{
+    RI_UNREF(display_id);
+    return (EGLDisplay)1;    //support only a single display
+}
+
+
+void OSBlitToWindow(void* context, const Drawable* drawable)
+{
+    OSWindowContext* ctx = (OSWindowContext*)context;
+    //blit if either of iBitmap or iMaskBitmap exist
+    if(ctx && ctx->iNativeWindowType->iBitmap)
+    {
+        TUint w = drawable->getWidth();
+        TUint h = drawable->getHeight();
+        
+        //these should be same as bitmap
+        if(ctx->iNativeWindowType->iBitmap)
+        	{
+        	CFbsBitmap* bitmap = ctx->iNativeWindowType->iBitmap;        	
+        	ReadPixelsToCFbsBitmap(*bitmap, w, h);        	
+        	}
+    }
+}
+
+void ReadPixelsToCFbsBitmap(CFbsBitmap& aBitmap, TUint aW, TUint aH)
+	{
+	TSize sz = aBitmap.SizeInPixels();
+	RI_ASSERT(aW==sz.iWidth);
+	RI_ASSERT(aH==sz.iHeight);
+	
+	VGImageFormat f = MapSymbianDisplayModeToVG(aBitmap.DisplayMode());
+	
+	TInt bitmapDataStride = aBitmap.DataStride();
+	
+	//copy from source OpenVG model to target(CFbsBitmap) buffer			
+	aBitmap.BeginDataAccess();
+	//openvg returns pixels in cartesian coordinates (y+) where as CFbsBitmap
+	//wants screen coordinates (y-) so we read pixels out starting at top left corner 
+	TUint8* ptarget = (TUint8*)aBitmap.DataAddress()+(aH-1)*bitmapDataStride;
+	vgReadPixels(ptarget, -bitmapDataStride, f, 0, 0, aW, aH);
+	aBitmap.EndDataAccess(EFalse);
+	}
+
+VGImageFormat MapSymbianDisplayModeToVG(TDisplayMode aMode)
+	{
+	VGImageFormat f;
+	switch(aMode)
+		{
+		case EColor16MA:
+			f = VG_sARGB_8888;
+			break;
+		case EColor16MU:
+			f = VG_sRGBX_8888;
+			break;
+		case EColor64K:
+			f = VG_sRGB_565;
+			break;
+		case EGray256:
+			f = VG_A_8;
+			break;
+		case EGray2:
+			f = VG_BW_1;
+			break;
+		default:
+			RI_ASSERT(0);
+		}
+	return f;
+	}
+EGLBoolean OSGetNativePixmapInfo(NativePixmapType pixmap, int* width, int* height, int* stride, VGImageFormat* format, int** data)
+{
+	TSize size = ((CFbsBitmap*)pixmap)->SizeInPixels();
+    *width  = size.iWidth;
+    *height = size.iHeight;
+    *stride = ((CFbsBitmap*)pixmap)->DataStride();    
+    
+    *data = (int*)(((CFbsBitmap*)pixmap)->DataAddress());
+    TDisplayMode mode = ((CFbsBitmap*)pixmap)->DisplayMode(); 
+	switch(mode)
+	{
+	case EColor16MA:
+		*format = VG_sRGBA_8888;
+		break;
+	case EColor16MU:
+		*format = VG_sRGBX_8888;
+		break;
+	case EColor64K:
+		*format = VG_sRGB_565;
+		break;
+	case EGray256:
+		*format = VG_A_8;
+		break;
+	case EGray2:
+		*format = VG_BW_1;
+		break;
+	default:
+		RI_ASSERT(0);
+	}
+    return EGL_TRUE;
+}
+}   //namespace OpenVGRI