コード例 #1
0
ファイル: TiledImageOpenVG.cpp プロジェクト: 1833183060/wke
void TiledImageOpenVG::detachTiles()
{
    makeSharedContextCurrent(); // because we create new images

    int numTiles = m_tiles.size();
    VGImage newTile, originalTile;

    for (int i = 0; i < numTiles; ++i) {
        originalTile = m_tiles.at(i);

        if (originalTile == VG_INVALID_HANDLE)
            continue;

        VGImageFormat format = (VGImageFormat) vgGetParameteri(originalTile, VG_IMAGE_FORMAT);
        VGint width = vgGetParameteri(originalTile, VG_IMAGE_WIDTH);
        VGint height = vgGetParameteri(originalTile, VG_IMAGE_HEIGHT);
        ASSERT_VG_NO_ERROR();

        newTile = vgCreateImage(format, width, height, VG_IMAGE_QUALITY_FASTER);
        ASSERT_VG_NO_ERROR();

        vgCopyImage(newTile, 0, 0, originalTile, 0, 0, width, height, VG_FALSE /* dither */);
        ASSERT_VG_NO_ERROR();

        m_tiles.at(i) = newTile;
    }
}
コード例 #2
0
VGImage ResizeImage(VGImage src, int width, int height)
{
	int orig_width = vgGetParameteri(src, VG_IMAGE_WIDTH);
	int orig_height = vgGetParameteri(src, VG_IMAGE_HEIGHT);
	printf("(%d, %d)\n", orig_width, orig_height);
 
	VGImage dst = vgCreateImage(VG_sABGR_8888, width, height, VG_IMAGE_QUALITY_BETTER);

	vgCopyImage(dst, 0, 0,src,0,0,width, height,0);
	return dst;
}
コード例 #3
0
void QVGPixmapData::fromNativeType(void* pixmap, NativeType type)
{
    if (type == QPixmapData::SgImage && pixmap) {
#if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
        RSgImage *sgImage = reinterpret_cast<RSgImage*>(pixmap);
        destroyImages();
        prevSize = QSize();

        vgImage = sgImageToVGImage(context, *sgImage);
        if (vgImage != VG_INVALID_HANDLE) {
            w = vgGetParameteri(vgImage, VG_IMAGE_WIDTH);
            h = vgGetParameteri(vgImage, VG_IMAGE_HEIGHT);
            d = 32; // We always use ARGB_Premultiplied for VG pixmaps.
        }

        is_null = (w <= 0 || h <= 0);
        source = QVolatileImage(); // readback will be done later, only when needed
        recreate = false;
        prevSize = QSize(w, h);
        updateSerial();
#endif
    } else if (type == QPixmapData::FbsBitmap && pixmap) {
        CFbsBitmap *bitmap = reinterpret_cast<CFbsBitmap *>(pixmap);
        QSize size(bitmap->SizeInPixels().iWidth, bitmap->SizeInPixels().iHeight);
        resize(size.width(), size.height());
        source = QVolatileImage(bitmap); // duplicates only, if possible
        if (source.isNull())
            return;
        if (!conversionLessFormat(source.format())) {
            // Here we may need to copy if the formats do not match.
            // (e.g. for display modes other than EColor16MAP and EColor16MU)
            source.beginDataAccess();
            QImage::Format format = idealFormat(&source.imageRef(), Qt::AutoColor);
            source.endDataAccess(true);
            source.ensureFormat(format);
        }
        recreate = true;
    } else if (type == QPixmapData::VolatileImage && pixmap) {
        QVolatileImage *img = static_cast<QVolatileImage *>(pixmap);
        resize(img->width(), img->height());
        source = *img;
        recreate = true;
    } else if (type == QPixmapData::NativeImageHandleProvider && pixmap) {
        destroyImages();
        nativeImageHandleProvider = static_cast<QNativeImageHandleProvider *>(pixmap);
        // Cannot defer the retrieval, we need at least the size right away.
        createFromNativeImageHandleProvider();
    }
}
コード例 #4
0
float Path::length()
{
    m_path->makeCompatibleContextCurrent();
    VGfloat length = vgPathLength(m_path->vgPath(), 0, vgGetParameteri(m_path->vgPath(), VG_PATH_NUM_SEGMENTS));
    ASSERT_VG_NO_ERROR();
    return length;
}
コード例 #5
0
/*******************************************************************************
 * Function Name  : TileImageInMask
 * Description    : This function tiles the passed in image to fill the mask
					layer with values
 *******************************************************************************/
void OVGMaskLayer::TileImageInMask(VGImage &vgImg, VGMaskOperation eOperation)
{
	unsigned int ui32ImageWidth  = vgGetParameteri(vgImg, VG_IMAGE_WIDTH);
	unsigned int ui32ImageHeight = vgGetParameteri(vgImg, VG_IMAGE_HEIGHT);

	// Tile the image in the mask
	for(int i32X = 0; i32X < (int) m_ui32ScreenWidth; i32X += ui32ImageWidth)
	{
		for(int i32Y = 0; i32Y < (int) m_ui32ScreenHeight; i32Y += ui32ImageHeight)
		{
			int i32W = i32X + ui32ImageWidth  > m_ui32ScreenWidth  ? m_ui32ScreenWidth - i32X : m_ui32ScreenWidth;
			int i32H = i32Y + ui32ImageHeight > m_ui32ScreenHeight ? m_ui32ScreenHeight - i32Y : m_ui32ScreenHeight;

			vgMask(vgImg, eOperation, i32X, i32Y, i32W, i32H);
		}
	}
}
コード例 #6
0
float Path::normalAngleAtLength(float length, bool& ok)
{
    VGfloat tangentX, tangentY;
    m_path->makeCompatibleContextCurrent();

    vgPointAlongPath(m_path->vgPath(), 0, vgGetParameteri(m_path->vgPath(), VG_PATH_NUM_SEGMENTS),
                     length, 0, 0, &tangentX, &tangentY);
    ok = (vgGetError() == VG_NO_ERROR);
    return atan2f(tangentY, tangentX) * 180.0 / piFloat; // convert to degrees
}
コード例 #7
0
FloatPoint Path::pointAtLength(float length, bool& ok)
{
    VGfloat x = 0, y = 0;
    m_path->makeCompatibleContextCurrent();

    vgPointAlongPath(m_path->vgPath(), 0, vgGetParameteri(m_path->vgPath(), VG_PATH_NUM_SEGMENTS),
                     length, &x, &y, 0, 0);
    ok = (vgGetError() == VG_NO_ERROR);
    return FloatPoint(x, y);
}
コード例 #8
0
/*******************************************************************************
 * Function Name  : RenderScene
 * Returns		  : true if no error occured
 * Description    : Main rendering loop function of the program. The shell will
 *					call this function every frame.
 *******************************************************************************/
bool CChildImage::RenderScene()
{
	//Clear the screen with the current clear color.
	vgClear(0, 0, PVRShellGet(prefWidth), PVRShellGet(prefHeight));

	//Change the matrix mode to VG_MATRIX_IMAGE_USER_TO_SURFACE so we can transform the images
	vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);

	//Set the current matrix to the identiy
	vgLoadIdentity();

	//Translate the image to the desired position
	vgTranslate(PVRShellGet(prefWidth) * 0.5f - (IMG_SIZE * 0.5f), PVRShellGet(prefHeight)* 0.5f + 5.0f);

	//Draw the main image
	vgDrawImage(m_vgImage);

	//Reset the current matrix...
	vgLoadIdentity();

	//...Perform a translation to position the first child image...
	int i32Height = vgGetParameteri(m_avgChildImages[0], VG_IMAGE_HEIGHT);
	vgTranslate(PVRShellGet(prefWidth) * 0.5f - (vgGetParameteri(m_avgChildImages[1], VG_IMAGE_WIDTH) * 0.5f), PVRShellGet(prefHeight)* 0.5f - i32Height - 5.0f);

	//...and draw
	vgDrawImage(m_avgChildImages[0]);

	//Reset the current matrix...
	vgLoadIdentity();

	//...Perform a translation to position the second child image...
	i32Height = vgGetParameteri(m_avgChildImages[0], VG_IMAGE_HEIGHT) + vgGetParameteri(m_avgChildImages[1], VG_IMAGE_HEIGHT);
	vgTranslate(PVRShellGet(prefWidth) * 0.5f - (vgGetParameteri(m_avgChildImages[1], VG_IMAGE_WIDTH) * 0.5f), PVRShellGet(prefHeight)* 0.5f - i32Height - 10.0f);

	//...and draw
	vgDrawImage(m_avgChildImages[1]);

	m_PrintVG.DisplayDefaultTitle("ChildImage", "", ePVRTPrint3DLogoIMG);
	return true;
}
コード例 #9
0
ファイル: term.c プロジェクト: bbond007/raspytube
//------------------------------------------------------------------------------
void term_init(tTermState * ts, float widthPer, float heightPer, int width, int height)
{
    ts->image = 0;
    if(ts->image == 0)
    {
        if(width <= 0 || height <= 0)
        {
            ts->term_w = VTERM_WIDTH;
            ts->term_h = VTERM_HEIGHT;
        }
        else
        {
            ts->term_w = width;
            ts->term_h = height;
        }
        ts->term_vbuff = malloc(ts->term_w * ts->term_h * sizeof(tScrChr));
        int w  = (state->screen_width  * widthPer);
        int h  = (state->screen_height * heightPer);
        ts->image = create_image_from_buf((unsigned char *) tv_jpeg_raw_data, tv_jpeg_raw_size, w, h);
        term_clear(ts, VTERM_CLR);
        ts->tv_width     = vgGetParameteri(ts->image, VG_IMAGE_WIDTH);
        ts->tv_height    = vgGetParameteri(ts->image, VG_IMAGE_HEIGHT);
        ts->offsetXY.y   = (ts->tv_height * .14f);
        ts->offsetXY.x   = (ts->tv_width  * .10f);
        ts->tvXY.x       = (state->screen_width  - ts->tv_width) / 2;
        ts->tvXY.y       = (state->screen_height - ts->tv_height) / 2;
        ts->image_height = ts->tv_height - (ts->offsetXY.y * 2);
        ts->image_width  = ts->tv_width  - (ts->offsetXY.x * 2);
        ts->imageXY.x    = (state->screen_width - ts->image_width)   / 2;
        ts->imageXY.y    = (state->screen_height - ts->image_height) / 2;
        ts->term_x_inc   = ts->image_width  / ts->term_w;
        ts->term_y_inc   = ts->image_height / ts->term_h;
        ts->txtXY.x      = ts->imageXY.x + ts->term_x_inc;
        ts->txtXY.y      = state->screen_height - ts->imageXY.y - ts->term_y_inc * 1.5;
        ts->numPointFont = numPointFontMed; //med default
        ts->numFont      = 1; //topaz font
        ts->term_color   = 0;
    }
}
コード例 #10
0
static void append(VGPath path, int numSegments, const VGubyte* segments, int numCoordinates, const VGfloat* coordinates)
{
	MK_ASSERT(numCoordinates <= 26);
	
	VGPathDatatype datatype = (VGPathDatatype)vgGetParameteri(path, VG_PATH_DATATYPE);
	VGfloat scale = vgGetParameterf(path, VG_PATH_SCALE);
	VGfloat bias = vgGetParameterf(path, VG_PATH_BIAS);
	
	switch(datatype)
	{
		case VG_PATH_DATATYPE_S_8:
		{
			
			int8_t data[26];
			for(int i=0;i<numCoordinates;i++)
				data[i] = (int8_t)floor((coordinates[i] - bias) / scale + 0.5f);	//add 0.5 for correct rounding
			vgAppendPathData(path, numSegments, segments, data);
			break;
		}
			
		case VG_PATH_DATATYPE_S_16:
		{
			
			int16_t data[26];
			for(int i=0;i<numCoordinates;i++)
				data[i] = (int16_t)floor((coordinates[i] - bias) / scale + 0.5f);	//add 0.5 for correct rounding
			vgAppendPathData(path, numSegments, segments, data);
			break;
		}
			
		case VG_PATH_DATATYPE_S_32:
		{
			int32_t data[26];
			for(int i=0;i<numCoordinates;i++)
				data[i] = (int32_t)floor((coordinates[i] - bias) / scale + 0.5f);	//add 0.5 for correct rounding
			vgAppendPathData(path, numSegments, segments, data);
			break;
		}
			
		default:
		{
			MK_ASSERT(datatype == VG_PATH_DATATYPE_F);
			float data[26];
			for(int i=0;i<numCoordinates;i++)
				data[i] = (float)((coordinates[i] - bias) / scale);
			vgAppendPathData(path, numSegments, segments, data);
			break;
		}
	}
}
コード例 #11
0
/*******************************************************************************
 * Function Name  : InitView
 * Returns        : true if no error occured
 * Description    : Code in InitView() will be called by the Shell upon a change
 *					in the rendering context.
 *					Used to initialise variables that are dependent on the rendering
 *					context (e.g. textures, vertex buffers, etc.)
 *******************************************************************************/
bool CChildImage::InitView()
{
	//Create an image
	m_vgImage = vgCreateImage(VG_sRGBA_8888, IMG_SIZE, IMG_SIZE, VG_IMAGE_QUALITY_NONANTIALIASED);

	/*
	Populate the image from memory. A 32bit integer array (8bits per component)
	is created and populated.
	*/

	VGuint* pui32ImgData = new VGuint[IMG_SIZE*IMG_SIZE];

	for(int i = 0; i < IMG_SIZE; ++i)
	{
		for(int j = 0; j < IMG_SIZE; ++j)
		{
			// Fills the data with a fancy pattern
			if ( ((i*j)/8) % 2 )
				pui32ImgData[j*IMG_SIZE+i] = PVRTRGBA(255,255,0,255);
			else
				pui32ImgData[j*IMG_SIZE+i] = PVRTRGBA(255, 255 - (j * 2), 255 - i, 255 - (i * 2));
		}
	}

	/*
	The data in the array is then copied to the portion of the image starting at (0,0) through to (IMG_SIZE, IMG_SIZE), in
	this case that is the whole image. The coordinate system of the image places (0,0) at the bottom left-hand corner and
	(IMG_SIZE, IMG_SIZE) at the top right-hand corner.
	*/
	vgImageSubData(m_vgImage, pui32ImgData, sizeof(VGuint) * IMG_SIZE, VG_sRGBA_8888, 0, 0, IMG_SIZE, IMG_SIZE);

	// Delete the image data as it is now in OpenVG memory
	delete[] pui32ImgData;
	pui32ImgData = 0;

	//Create child images

	/*
	The first child is a child of m_vgImage and is made up of the region of m_vgImage from (0,0) to (IMG_SIZE / 2, IMG_SIZE / 2).
	Note: The area specified must be in the bounds of the parent.
	*/
	m_avgChildImages[0] = vgChildImage(m_vgImage,  0, 0, (VGint) (IMG_SIZE * 0.5), (VGint) (IMG_SIZE * 0.5));

	//The second child is a clone of the first child.

	//Get the dimensions of the first child..
	int i32ChildWidth = vgGetParameteri(m_avgChildImages[0], VG_IMAGE_WIDTH);
	int i32ChildHeight= vgGetParameteri(m_avgChildImages[0], VG_IMAGE_HEIGHT);

	//..and use them to define the region for creating the second child.
	m_avgChildImages[1] = vgChildImage(m_avgChildImages[0],  0, 0, i32ChildWidth,  i32ChildHeight);

	/*
	Clear a small portion of the bottom left-hand corner of m_avgChildImages[0] to red.
	This change will be seen in all relatives of m_avgChildImages[0], reason being they
	all share the same physical memory.

	Note:

	When clearing you specify the coordinate you want to start from and then how many pixels
	across and up you want to clear.
	*/
	VGfloat afClearColour[] = {1.0f, 0.0f, 0.0f, 1.0f};
	vgSetfv(VG_CLEAR_COLOR, 4, afClearColour);
	vgClearImage(m_avgChildImages[0], 0, 0, 10, 10);

	//Set the clear colour for clearing the sceen
	afClearColour[0] = 0.6f;
	afClearColour[1] = 0.8f;
	afClearColour[2] = 1.0f;
	afClearColour[3] = 1.0f;

	vgSetfv(VG_CLEAR_COLOR, 4, afClearColour);

	m_PrintVG.Initialize(PVRShellGet(prefWidth), PVRShellGet(prefHeight));
	return true;
}
コード例 #12
0
LOCAL_C void LaunchClientProcessL()
	{
	__UHEAP_MARK;
	RProcess::Rendezvous(KErrNone);

    RSemaphore sem;
    User::LeaveIfError(sem.OpenGlobal(KEglStressTest));
    CleanupClosePushL(sem);

    //Access data passed from the main process
    TStressProcessInfo info;
    TPckg<TStressProcessInfo> pckgInfo(info);
    User::LeaveIfError(User::GetDesParameter(KMultiProcessSlot, pckgInfo));

    //Create RSgDriver and open the image
    RSgDriver driver;
    User::LeaveIfError(driver.Open());
    CleanupClosePushL(driver);

    RSgImage image;
    User::LeaveIfError(image.Open(info.iSgId));
    CleanupClosePushL(image);

    EGLDisplay display;
    EGL_LEAVE_NULL(display, eglGetDisplay(EGL_DEFAULT_DISPLAY));
    EGL_LEAVE_ERROR(eglInitialize(display, NULL, NULL));
    EGL_LEAVE_ERROR(eglBindAPI(EGL_OPENVG_API));

    //Initialise to remove arm compiler warnings
    EGLConfig config = 0;
    EGLContext context = EGL_NO_CONTEXT;
    EGLSurface surface = EGL_NO_SURFACE;

    if(info.iTestType == EStressRead)
        {
        TSgImageInfo sginfo;
        User::LeaveIfError(image.GetInfo(sginfo));

        //Create an independant pixmap surface on which to copy the vgimage 
        RSgImage image2;
        User::LeaveIfError(image2.Create(sginfo, NULL, NULL));
        CleanupClosePushL(image2);
        ChooseConfigAndCreateContextL(display, context, config, image2, KStressTestChildAppPanic, info.iAlphaPre);
        EGL_LEAVE_NULL(surface, CreatePixmapSurfaceL(display, config, image2, info.iAlphaPre)); 
        CleanupStack::PopAndDestroy(&image2);
        }
    else
        {
        ChooseConfigAndCreateContextL(display, context, config, image, KStressTestChildAppPanic, info.iAlphaPre);
        EGL_LEAVE_NULL(surface, CreatePixmapSurfaceL(display, config, image, info.iAlphaPre));       
        }

    EGL_LEAVE_ERROR(eglMakeCurrent(display, surface, surface, context));

    VGImage vgImage;
    GenerateVgImageL(display, &image, vgImage);

    /* Create and install the active scheduler */
    CActiveScheduler* sched = new(ELeave) CActiveScheduler;
    CActiveScheduler::Install(sched);
    CleanupStack::PushL(sched);

    TInt width = vgGetParameteri(vgImage, VG_IMAGE_WIDTH);
    VgLeaveIfErrorL();

    TInt height = vgGetParameteri(vgImage, VG_IMAGE_HEIGHT);
    VgLeaveIfErrorL();

    VGImageFormat format = static_cast<VGImageFormat>(vgGetParameteri(vgImage, VG_IMAGE_FORMAT));
    VgLeaveIfErrorL();

    TBool testPass = ETrue;

    CTReadWriteChild* painter = CTReadWriteChild::NewL(vgImage, width, height, info.iByteSize, format, info.iTestType, testPass);
    CleanupStack::PushL(painter);
    painter->After(TTimeIntervalMicroSeconds32(0));

    //Data access is synchronised from the main process
    sem.Wait();
    sched->Start();

    if(testPass == EFalse)
        {
		// Leave with a 'known' test error so that we can catch this particular failure 
        User::Leave(KTestStressUnexpectedPixelError);
        }
    
    CleanupStack::PopAndDestroy(5, &sem); //painter, sched, image, driver, sem
      
    __UHEAP_MARKEND;
    }
コード例 #13
0
bool Path::hasCurrentPoint() const
{
    m_path->makeCompatibleContextCurrent();
    return vgGetParameteri(m_path->vgPath(), VG_PATH_NUM_SEGMENTS) > 0;
}
コード例 #14
0
bool Path::isEmpty() const
{
    m_path->makeCompatibleContextCurrent();
    return !vgGetParameteri(m_path->vgPath(), VG_PATH_NUM_SEGMENTS);
}
コード例 #15
0
TInt CHuiVg10VgImageBinder::BindClientBuffer(TUint aBuffer)
    {

    // This returns the index of the corresponding aBuffer stored in the array. 
    // If KErrNotFound is returned,it indicates that this is the first BindClientBuffer
    // call for aBuffer and hence eglPbufferfromclient has to be created for this buffer
    TInt bufferIndex = iGroupOpacityImages.Find(aBuffer);
    
    
    // This check mandates that iSavedDraw/Read Surfaces are stored only for the first time
    // (i.e., before any pbufferfromclient surfaces are created).This is because when there are concurrent 
    // BindToImageL calls,we would eventually be losing track of the base window surface on
    // top of which the vgImage has to be drawn. 
    if(iGroupOpacityImages.Count() == 0)							
        {
        // Save current context and surfaces
        iSavedContext = eglGetCurrentContext();
        iSavedDrawSurface = eglGetCurrentSurface(EGL_DRAW);
        iSavedReadSurface = eglGetCurrentSurface(EGL_READ);
        }

    // Buffer Index would be KErrNotFound if this is the first BindClientBuffer call for aBuffer
    // (there would be multiple BindClientBuffer calls for an aBuffer) and hence corresponding
    // pbufferfromclient surface has to be created for that aBuffer.    
    if(bufferIndex == KErrNotFound)
        {
        // Check whether we should use the Alpha format bit
        VGImageFormat imageFormat = (VGImageFormat)vgGetParameteri(aBuffer, VG_IMAGE_FORMAT);
        TInt maskBit = 0;
        if (imageFormat == VG_sRGBA_8888_PRE)
            {
            maskBit = EGL_VG_ALPHA_FORMAT_PRE_BIT;
            }

        const TInt BITS_PER_CHANNEL = 8;
        // Choose an EGL config
        const EGLint attrs[] =
            {
            EGL_RENDERABLE_TYPE,    EGL_OPENVG_BIT,
            EGL_SURFACE_TYPE,       EGL_PBUFFER_BIT | maskBit,
            EGL_RED_SIZE,           BITS_PER_CHANNEL,
            EGL_GREEN_SIZE,         BITS_PER_CHANNEL,
            EGL_BLUE_SIZE,          BITS_PER_CHANNEL,
            EGL_ALPHA_SIZE,         BITS_PER_CHANNEL,
            EGL_NONE
            };

        // Create a context
        TInt configCount = iRenderPlugin->EglChooseConfig(attrs);
        EGLConfig config = iRenderPlugin->EglConfig(0);

        // Create a pbuffer surface
        iEglPBufferSurface_Client = eglCreatePbufferFromClientBuffer(iRenderPlugin->EglDisplay(),
                EGL_OPENVG_IMAGE, 
                static_cast<EGLClientBuffer>(aBuffer),    // Use the param image as buffer
                config, NULL);
        if (iEglPBufferSurface_Client == EGL_NO_SURFACE)
            {
            HUI_DEBUG1(_L("CHuiVg10VgImageBinder::BindClientBuffer() - EGL Surface could not be created, eglErr: %04x"), eglGetError() );
            return KErrGeneral;
            }
        iGroupOpacitySurfaces.Append(iEglPBufferSurface_Client);
        iGroupOpacityImages.Append(aBuffer);
        } 
        // Control would go to else part indicating that this is not the first BindClientBuffer for aBuffer 
        // and hence the corresponding eglPBufferfromClient surface could be retrieved with the bufferIndex
    else				
        {
        iEglPBufferSurface_Client = iGroupOpacitySurfaces[bufferIndex];
        }

    EGLContext context = iRenderPlugin->EglSharedContext();
    
    // eglMakeCurrent with EGL_NO_SURFACE de-couples vgImage from an old eglpbufferfromclient surface.
    // Otherwise in a multiple BindClientBuffer scenario for the same vgImage, eglMakeCurrent
    // fails with an EGL_BAD_ACCESS error (vgimage already inuse error)
    eglMakeCurrent(iRenderPlugin->EglDisplay(), EGL_NO_SURFACE, EGL_NO_SURFACE, context);      
    
    // Bind our own PBuffer surface (from VGImage)
    if ( eglMakeCurrent(iRenderPlugin->EglDisplay(), iEglPBufferSurface_Client, iEglPBufferSurface_Client, context ) == EGL_FALSE )
        {
        HUI_DEBUG1(_L("CHuiVg10VgImageBinder::BindClientBuffer() - EGL Surface could not be made current, eglErr: %04x"), eglGetError());
        TInt eglError = eglGetError();
        return KErrGeneral;
        }

    // Alles in Ordnung!
    return KErrNone;
    }