--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/video/t_vidmode.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,96 @@
+// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// 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:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32test\video\t_vidmode.cpp
+// Tests the video driver kernel extension
+// 
+//
+
+#include <hal.h>
+#include <e32svr.h>
+#include <videodriver.h>
+
+GLDEF_C TInt E32Main()
+	{
+	TBuf<256> cmd;
+	User::CommandLine(cmd);
+	TLex lex(cmd);
+	TInt mode;
+	lex.Val(mode);
+
+	TInt screens;
+	HAL::Get(HAL::EDisplayNumberOfScreens, screens);
+	for(TInt i=0;i<screens;i++)
+		{
+		TInt nmodes;
+		HAL::Get(i, HAL::EDisplayNumModes, nmodes);
+		if (mode<0 || mode>=nmodes)
+			return KErrArgument;
+
+		HAL::Set(i, HAL::EDisplayMode, mode);
+
+		TInt xres, yres, bpp, addr;
+		bpp=mode;
+		HAL::Get(i, HAL::EDisplayXPixels, xres);
+		HAL::Get(i, HAL::EDisplayYPixels, yres);
+		HAL::Get(i, HAL::EDisplayBitsPerPixel, bpp);
+		HAL::Get(i, HAL::EDisplayMemoryAddress, addr);
+
+		TInt bpl=mode;
+		HAL::Get(i, HAL::EDisplayOffsetBetweenLines, bpl);
+
+		TInt ofp=mode;
+		HAL::Get(i, HAL::EDisplayOffsetToFirstPixel, ofp);
+
+		RDebug::Print(_L("xres=%d yres=%d bpp=%d"), xres, yres, bpp);
+		RDebug::Print(_L("addr=%08x bpl=%d ofp=%d"), addr, bpl, ofp);
+
+		TInt xb, yb;
+		for (yb=0; yb<yres/16; ++yb)
+			{
+			for (xb=0; xb<xres/16; ++xb)
+				{
+	//			TUint c=(5*(xb+yb))&0xff;
+				TUint c=(xb*xb+yb*yb)&0xff;
+				TUint r=c&7;
+				TUint g=(c>>3)&7;
+				TUint b=(c>>6);
+				TUint c16=(b<<14)|(g<<8)|(r<<2);
+				c16 |= (c16<<16);
+				TUint c8=c|(c<<8);
+				c8 |= (c8<<16);
+				TUint c32=(b<<22)|(g<<13)|(r<<5);
+				TInt baddr=addr+ofp+yb*16*bpl+xb*16*bpp/8;
+				TInt l;
+				for (l=0; l<16; ++l, baddr+=bpl)
+					{
+					TUint32* p=(TUint32*)baddr;
+					if (bpp==8)
+						*p++=c8, *p++=c8, *p++=c8, *p++=c8;
+					else if (bpp==16)
+						*p++=c16, *p++=c16, *p++=c16, *p++=c16,
+						*p++=c16, *p++=c16, *p++=c16, *p++=c16;
+	//					c16+=((l&3==3))?0x20:0x00;
+					else
+						*p++=c32+0x0, *p++=c32+0x1, *p++=c32+0x2, *p++=c32+0x3,
+						*p++=c32+0x4, *p++=c32+0x5, *p++=c32+0x6, *p++=c32+0x7,
+						*p++=c32+0x8, *p++=c32+0x9, *p++=c32+0xa, *p++=c32+0xb,
+						*p++=c32+0xc, *p++=c32+0xd, *p++=c32+0xe, *p++=c32+0xf,
+						c32+=0x100;
+					}
+				}
+			}
+		}
+
+	return KErrNone;
+	}