// Copyright (c) 2007-2009 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:

//

/**

 @file

 @test

 @internalComponent

*/

#include <e32debug.h>

#include "t_pseudoappeglbase.h"

const TInt KMaxConfigs = 1024;

CEglBase::CEglBase(const TDisplayMode& aMode,const TSize& aSurfaceSz, const TInt aHRate, const TInt aVRate)

			: CTestAnimation(),iDispMode(aMode)

	{

	iSurfaceSize=aSurfaceSz;

	iHorizontalRate=aHRate;

	iVerticalRate=aVRate;

	}

void CEglBase::BaseConstructL(RWindow* aWin)

	{

	// eglGetDisplay

	iDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);

	TestL(iDisplay!=EGL_NO_DISPLAY, _L("eglGetDisplay failed"));

	// eglInitialize

	TInt ret = eglInitialize(iDisplay, NULL, NULL);

	TestL(ret, _L("eglInitialize failed"));

	// eglGetConfigs

	EGLint numConfigs;

	EGLConfig configs[KMaxConfigs];

	ret = eglGetConfigs(iDisplay, configs, KMaxConfigs, &numConfigs);

	TestL(ret, _L("eglGetConfigs failed"));

	TestL(numConfigs>0, _L("eglGetConfigs returned no configs"));

	const EGLint* attribList = NULL;

	// Select attribs based on current display mode

	switch (iDispMode)

		{

		case EColor4K:	attribList = KColor4KAttribList;	break;

		case EColor64K:	attribList = KColor64KAttribList;	break;

		case EColor16M:	attribList = KColor16MAttribList;	break;

		case EColor16MA:attribList = KColor16MAAttribList;	break;

		default: 		User::Panic(_L("CEglBase"), KErrArgument);

		}

	RDebug::Print(_L("Display Mode: %d"), iDispMode );

	// eglChooseConfig

	ret=eglChooseConfig(iDisplay, attribList, configs, KMaxConfigs, &numConfigs);

	TestL(ret, _L("eglChooseConfig failed"));

	TestL(numConfigs>0, _L("eglChooseConfig returned no configs"));

    if (attribList)

    	{

    	TInt configIndex = GetSuitableConfig(configs, numConfigs, attribList);

		TestL(configIndex!=KErrNotFound, _L("No suitable configuration found") );

		iUseConfig = configs[configIndex];	

    	}

	// eglCreateWindowSurface

	iSurface = eglCreateWindowSurface(iDisplay, iUseConfig, aWin, NULL);

	TestL(iSurface!=EGL_NO_SURFACE, _L("eglCreateWindowSurface failed") );

	}

CEglBase::~CEglBase()

	{

	// Clean everything allocated.

	eglMakeCurrent(iDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);

	eglDestroyContext(iDisplay, iContext);

	eglDestroySurface(iDisplay, iSurface);

	eglTerminate(iDisplay);

	}

TInt CEglBase::GetSuitableConfig(const EGLConfig* aConfigs, EGLint aNumConfigs, const EGLint* attribs)

	{

	TInt configIndex = KErrNotFound;

	for (TInt i=0; i<aNumConfigs; i++)

		{

		EGLConfig config = aConfigs[i];

		EGLint value;

		TInt ret=eglGetConfigAttrib(iDisplay, config, attribs[0], &value);

		RDebug::Print(_L("eglGetConfigAttrib returned %d"), ret );

		if (ret && value != attribs[1])

			{

			continue;

			}

		ret=eglGetConfigAttrib(iDisplay, config, attribs[2], &value);

		if (ret && value != attribs[3])

			{

			continue;

			}

		ret=eglGetConfigAttrib(iDisplay, config, attribs[4], &value);

		if (ret && value != attribs[5])

			{

			continue;

			}

		ret=eglGetConfigAttrib(iDisplay, config, attribs[6], &value);

		if (ret && value != attribs[7])

			{

			continue;

			}

		ret=eglGetConfigAttrib(iDisplay, config, attribs[8], &value);

		if (ret && value != attribs[9])

			{

			continue;

			}

		// Success

		configIndex = i;

		break;

		}

	return configIndex;

	}

void CEglBase::TestL(const TInt aRet, const TDesC& aMessage)

	{

	if (!aRet)

		{

		RDebug::Print(_L("Error: %d - %S"), aRet, &aMessage);

		User::Leave(KErrUnknown);

		}

	}