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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 366 insertions, 0 deletions

diff --git a/src/openvg/qvg_symbian.cpp b/src/openvg/qvg_symbian.cpp
new file mode 100644
index 0000000000..0d2ed9e6d2
--- /dev/null
+++ b/src/openvg/qvg_symbian.cpp
@@ -0,0 +1,366 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpixmapdata_vg_p.h"
+#include "qvgfontglyphcache_p.h"
+#include <QtGui/private/qnativeimagehandleprovider_p.h>
+#include <private/qt_s60_p.h>
+
+#include <fbs.h>
+
+#ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE
+#  include <sgresource/sgimage.h>
+#  ifdef SYMBIAN_FBSERV_GLYPHDATA // defined in fbs.h
+#    define QT_SYMBIAN_HARDWARE_GLYPH_CACHE
+#    include <graphics/fbsglyphdataiterator.h>
+#    include <private/qfontengine_s60_p.h>
+#  endif
+#endif
+
+QT_BEGIN_NAMESPACE
+
+typedef VGImage (*_vgCreateEGLImageTargetKHR)(VGeglImageKHR);
+static _vgCreateEGLImageTargetKHR qt_vgCreateEGLImageTargetKHR = 0;
+
+namespace QVG
+{
+    VGImage vgCreateEGLImageTargetKHR(VGeglImageKHR eglImage);
+}
+
+VGImage QVG::vgCreateEGLImageTargetKHR(VGeglImageKHR eglImage)
+{
+    if (!qt_vgCreateEGLImageTargetKHR && QEgl::hasExtension("EGL_KHR_image"))
+        qt_vgCreateEGLImageTargetKHR = (_vgCreateEGLImageTargetKHR) eglGetProcAddress("vgCreateEGLImageTargetKHR");
+
+    return qt_vgCreateEGLImageTargetKHR ? qt_vgCreateEGLImageTargetKHR(eglImage) : 0;
+}
+
+extern int qt_vg_pixmap_serial;
+
+#ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE
+static VGImage sgImageToVGImage(QEglContext *context, const RSgImage &sgImage)
+{
+    // when "0" used as argument then
+    // default display, context are used
+    if (!context)
+        context = qt_vg_create_context(0, QInternal::Pixmap);
+
+    VGImage vgImage = VG_INVALID_HANDLE;
+
+    if (sgImage.IsNull())
+        return vgImage;
+
+    const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
+    EGLImageKHR eglImage = QEgl::eglCreateImageKHR(QEgl::display(),
+            EGL_NO_CONTEXT,
+            EGL_NATIVE_PIXMAP_KHR,
+            (EGLClientBuffer)&sgImage,
+            (EGLint*)KEglImageAttribs);
+
+    if (!eglImage)
+        return vgImage;
+
+    vgImage = QVG::vgCreateEGLImageTargetKHR(eglImage);
+
+    QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
+    return vgImage;
+}
+#endif
+
+void QVGPixmapData::cleanup()
+{
+    is_null = w = h = 0;
+    recreate = false;
+    source = QVolatileImage();
+}
+
+bool QVGPixmapData::initFromNativeImageHandle(void *handle, const QString &type)
+{
+    if (type == QLatin1String("RSgImage")) {
+        fromNativeType(handle, QPixmapData::SgImage);
+        return true;
+    } else if (type == QLatin1String("CFbsBitmap")) {
+        fromNativeType(handle, QPixmapData::FbsBitmap);
+        return true;
+    }
+    return false;
+}
+
+void QVGPixmapData::createFromNativeImageHandleProvider()
+{
+    void *handle = 0;
+    QString type;
+    nativeImageHandleProvider->get(&handle, &type);
+    if (handle) {
+        if (initFromNativeImageHandle(handle, type)) {
+            nativeImageHandle = handle;
+            nativeImageType = type;
+        } else {
+            qWarning("QVGPixmapData: Unknown native image type '%s'", qPrintable(type));
+        }
+    } else {
+        qWarning("QVGPixmapData: Native handle is null");
+    }
+}
+
+void QVGPixmapData::releaseNativeImageHandle()
+{
+    if (nativeImageHandleProvider && nativeImageHandle) {
+        nativeImageHandleProvider->release(nativeImageHandle, nativeImageType);
+        nativeImageHandle = 0;
+        nativeImageType = QString();
+    }
+}
+
+static inline bool conversionLessFormat(QImage::Format format)
+{
+    switch (format) {
+        case QImage::Format_RGB16: // EColor64K
+        case QImage::Format_RGB32: // EColor16MU
+        case QImage::Format_ARGB32: // EColor16MA
+        case QImage::Format_ARGB32_Premultiplied: // EColor16MAP
+        case QImage::Format_Indexed8: // EGray256, EColor256
+            return true;
+        default:
+            return false;
+    }
+}
+
+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();
+    }
+}
+
+void* QVGPixmapData::toNativeType(NativeType type)
+{
+    if (type == QPixmapData::SgImage) {
+#if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
+        toVGImage();
+
+        if (!isValid() || vgImage == VG_INVALID_HANDLE)
+            return 0;
+
+        TInt err = 0;
+
+        RSgDriver driver;
+        err = driver.Open();
+        if (err != KErrNone)
+            return 0;
+
+        TSgImageInfo sgInfo;
+        sgInfo.iPixelFormat = EUidPixelFormatARGB_8888_PRE;
+        sgInfo.iSizeInPixels.SetSize(w, h);
+        sgInfo.iUsage = ESgUsageBitOpenVgImage | ESgUsageBitOpenVgSurface;
+
+        QScopedPointer<RSgImage> sgImage(new RSgImage());
+        err = sgImage->Create(sgInfo, NULL, NULL);
+        if (err != KErrNone) {
+            driver.Close();
+            return 0;
+        }
+
+        const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
+        EGLImageKHR eglImage = QEgl::eglCreateImageKHR(QEgl::display(),
+                EGL_NO_CONTEXT,
+                EGL_NATIVE_PIXMAP_KHR,
+                (EGLClientBuffer)sgImage.data(),
+                (EGLint*)KEglImageAttribs);
+        if (!eglImage || eglGetError() != EGL_SUCCESS) {
+            sgImage->Close();
+            driver.Close();
+            return 0;
+        }
+
+        VGImage dstVgImage = QVG::vgCreateEGLImageTargetKHR(eglImage);
+        if (!dstVgImage || vgGetError() != VG_NO_ERROR) {
+            QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
+            sgImage->Close();
+            driver.Close();
+            return 0;
+        }
+
+        vgCopyImage(dstVgImage, 0, 0,
+                vgImage, 0, 0,
+                w, h, VG_FALSE);
+
+        if (vgGetError() != VG_NO_ERROR) {
+            sgImage->Close();
+            sgImage.reset();
+        }
+
+        // release stuff
+        vgDestroyImage(dstVgImage);
+        QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
+        driver.Close();
+        return reinterpret_cast<void*>(sgImage.take());
+#endif
+    } else if (type == QPixmapData::FbsBitmap && isValid()) {
+        ensureReadback(true);
+        if (source.isNull()) {
+            source = QVolatileImage(w, h, sourceFormat());
+        }
+        // Just duplicate the bitmap handle, no data copying happens.
+        return source.duplicateNativeImage();
+    }
+    return 0;
+}
+
+QSymbianVGFontGlyphCache::QSymbianVGFontGlyphCache() : QVGFontGlyphCache()
+{
+#ifdef QT_SYMBIAN_HARDWARE_GLYPH_CACHE
+    invertedGlyphs = true;
+#endif
+}
+
+void QSymbianVGFontGlyphCache::cacheGlyphs(QVGPaintEnginePrivate *d,
+                                           QFontEngine *fontEngine,
+                                           const glyph_t *g, int count)
+{
+#ifdef QT_SYMBIAN_HARDWARE_GLYPH_CACHE
+    QFontEngineS60 *s60fontEngine = static_cast<QFontEngineS60*>(fontEngine);
+    if (s60fontEngine->m_activeFont->TypeUid() != KCFbsFontUid)
+            return QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
+
+    QVector<glyph_t> uncachedGlyphs;
+    while (count-- > 0) {
+        // Skip this glyph if we have already cached it before.
+        glyph_t glyph = *g++;
+        if (((glyph < 256) && ((cachedGlyphsMask[glyph / 32] & (1 << (glyph % 32))) != 0))
+            || cachedGlyphs.contains(glyph))
+            continue;
+        if (!uncachedGlyphs.contains(glyph))
+            uncachedGlyphs.append(glyph);
+    }
+
+    if (!uncachedGlyphs.isEmpty()) {
+        CFbsFont *cfbsFont = static_cast<CFbsFont *>(s60fontEngine->m_activeFont);
+        RFbsGlyphDataIterator iter;
+
+        int err = iter.Open(*cfbsFont, (const unsigned int*)uncachedGlyphs.constData(), uncachedGlyphs.count());
+
+        if (err == KErrNotSupported || err == KErrInUse) { // Fallback in possibly supported error cases
+            iter.Close();
+            qWarning("Falling back to default QVGFontGlyphCache");
+            return QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
+        }
+
+        for (; err == KErrNone; err = iter.Next()) {
+            const unsigned int glyph = iter.GlyphCode();
+
+            const RSgImage& image = iter.Image();
+            const TOpenFontCharMetrics& metrics = iter.Metrics();
+
+            TRect glyphBounds;
+            metrics.GetHorizBounds(glyphBounds);
+            VGImage vgImage = sgImageToVGImage(0, image);
+            VGfloat origin[2];
+            VGfloat escapement[2];
+            origin[0] = -glyphBounds.iTl.iX;
+            origin[1] = glyphBounds.iBr.iY;
+            escapement[0] = 0;
+            escapement[1] = 0;
+            vgSetGlyphToImage(font, glyph, vgImage, origin, escapement);
+            vgDestroyImage(vgImage);
+
+            // Add to cache
+            if (glyph < 256)
+                cachedGlyphsMask[glyph / 32] |= (1 << (glyph % 32));
+            else
+                cachedGlyphs.insert(glyph);
+        }
+        iter.Close();
+
+        if (err == KErrNoMemory || err == KErrNoGraphicsMemory)
+            qWarning("Not enough memory to cache glyph");
+        else if (err != KErrNotFound)
+            qWarning("Received error %d from glyph cache", err);
+    }
+#else
+    QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
+#endif
+}
+
+QT_END_NAMESPACE