diff options
Diffstat (limited to 'src/plugins/platforms/integrity/qintegrityfbscreen.cpp')
-rw-r--r-- | src/plugins/platforms/integrity/qintegrityfbscreen.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/plugins/platforms/integrity/qintegrityfbscreen.cpp b/src/plugins/platforms/integrity/qintegrityfbscreen.cpp new file mode 100644 index 0000000000..e043da7786 --- /dev/null +++ b/src/plugins/platforms/integrity/qintegrityfbscreen.cpp @@ -0,0 +1,243 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** 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 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qintegrityfbscreen.h" +#include <QtPlatformSupport/private/qfbcursor_p.h> +#include <QtPlatformSupport/private/qfbwindow_p.h> +#include <QtCore/QRegularExpression> +#include <QtGui/QPainter> + +#include <qimage.h> +#include <qdebug.h> + +#include <INTEGRITY.h> +#include <memory_region.h> + +QT_BEGIN_NAMESPACE + +static QImage::Format determineFormat(const FBInfo *fbinfo) +{ + QImage::Format format = QImage::Format_Invalid; + + switch (fbinfo->BitsPerPixel) { + case 32: + if (fbinfo->Alpha.Bits) + format = QImage::Format_ARGB32; + else + format = QImage::Format_RGB32; + break; + case 24: + format = QImage::Format_RGB888; + break; + case 18: + format = QImage::Format_RGB666; + break; + case 16: + format = QImage::Format_RGB16; + break; + case 15: + format = QImage::Format_RGB555; + break; + case 12: + format = QImage::Format_RGB444; + break; + case 8: + break; + case 1: + format = QImage::Format_Mono; //###: LSB??? + break; + default: + break; + } + + return format; +} + +QIntegrityFbScreen::QIntegrityFbScreen(const QStringList &args) + : mArgs(args), mBlitter(0) +{ +} + +QIntegrityFbScreen::~QIntegrityFbScreen() +{ + if (mFbh) { + MemoryRegion vmr; + CheckSuccess(gh_FB_close_munmap(mFbh, &vmr)); + CheckSuccess(DeallocateMemoryRegionWithCookie(__ghs_VirtualMemoryRegionPool, + vmr, mVMRCookie)); + } + + delete mBlitter; +} + +bool QIntegrityFbScreen::initialize() +{ + Error err; + QRegularExpression fbRx(QLatin1String("fb=(.*)")); + QRegularExpression sizeRx(QLatin1String("size=(\\d+)x(\\d+)")); + QRegularExpression offsetRx(QLatin1String("offset=(\\d+)x(\\d+)")); + + QString fbDevice; + QRect userGeometry; + + // Parse arguments + foreach (const QString &arg, mArgs) { + QRegularExpressionMatch match; + if (arg.contains(sizeRx, &match)) + userGeometry.setSize(QSize(match.captured(1).toInt(), match.captured(2).toInt())); + else if (arg.contains(offsetRx, &match)) + userGeometry.setTopLeft(QPoint(match.captured(1).toInt(), match.captured(2).toInt())); + else if (arg.contains(fbRx, &match)) + fbDevice = match.captured(1); + } + + if (fbDevice.isEmpty()) { + /* no driver specified, try to get default one */ + err = gh_FB_get_driver_by_name(NULL, &mFbd); + if (err != Success) { + uintptr_t context = 0; + /* no default driver, take the first available one */ + err = gh_FB_get_next_driver(&context, &mFbd); + } + } else { + err = gh_FB_get_driver_by_name(qPrintable(fbDevice), &mFbd); + } + if (err != Success) { + qErrnoWarning("Failed to open framebuffer %s: %d", qPrintable(fbDevice), err); + return false; + } + + memset(&mFbinfo, 0, sizeof(FBInfo)); + CheckSuccess(gh_FB_check_info(mFbd, &mFbinfo)); + if (userGeometry.width() && userGeometry.height()) { + mFbinfo.Width = userGeometry.width(); + mFbinfo.Height = userGeometry.height(); + err = gh_FB_check_info(mFbd, &mFbinfo); + if (err != Success) { + qErrnoWarning("Unsupported resolution %dx%d for %s: %d", + userGeometry.width(), userGeometry.height(), + qPrintable(fbDevice), err); + return false; + } + } + + if (mFbinfo.MMapSize) { + err = AllocateAnyMemoryRegionWithCookie(__ghs_VirtualMemoryRegionPool, + mFbinfo.MMapSize, &mVMR, &mVMRCookie); + if (err != Success) { + qErrnoWarning("Could not mmap: %d", err); + return false; + } + + err = gh_FB_open_mmap(mFbd, &mFbinfo, mVMR, &mFbh); + } else { + err = gh_FB_open(mFbd, &mFbinfo, &mFbh); + } + if (err != Success) { + qErrnoWarning("Could not open framebuffer: %d", err); + return false; + } + + CheckSuccess(gh_FB_get_info(mFbh, &mFbinfo)); + + mDepth = mFbinfo.BitsPerPixel; + mGeometry = QRect(0, 0, mFbinfo.Width, mFbinfo.Height); + mFormat = determineFormat(&mFbinfo); + + const int dpi = 100; + int mmWidth = qRound((mFbinfo.Width * 25.4) / dpi); + int mmHeight = qRound((mFbinfo.Height * 25.4) / dpi); + mPhysicalSize = QSizeF(mmWidth, mmHeight); + + QFbScreen::initializeCompositor(); + mFbScreenImage = QImage((uchar *)mFbinfo.Start, mFbinfo.Width, mFbinfo.Height, + mFbinfo.BytesPerLine, mFormat); + + mCursor = new QFbCursor(this); + + return true; +} + +QRegion QIntegrityFbScreen::doRedraw() +{ + QRegion touched = QFbScreen::doRedraw(); + + if (touched.isEmpty()) + return touched; + + if (!mBlitter) + mBlitter = new QPainter(&mFbScreenImage); + + QVector<QRect> rects = touched.rects(); + for (int i = 0; i < rects.size(); i++) { + FBRect fbrect = { + (uint32_t)rects[i].left(), + (uint32_t)rects[i].top(), + (uint32_t)rects[i].width(), + (uint32_t)rects[i].height() + }; + mBlitter->drawImage(rects[i], *mScreenImage, rects[i]); + gh_FB_expose(mFbh, &fbrect, NULL); + } + return touched; +} + +// grabWindow() grabs "from the screen" not from the backingstores. +// In integrityfb's case it will also include the mouse cursor. +QPixmap QIntegrityFbScreen::grabWindow(WId wid, int x, int y, int width, int height) const +{ + if (!wid) { + if (width < 0) + width = mFbScreenImage.width() - x; + if (height < 0) + height = mFbScreenImage.height() - y; + return QPixmap::fromImage(mFbScreenImage).copy(x, y, width, height); + } + + QFbWindow *window = windowForId(wid); + if (window) { + const QRect geom = window->geometry(); + if (width < 0) + width = geom.width() - x; + if (height < 0) + height = geom.height() - y; + QRect rect(geom.topLeft() + QPoint(x, y), QSize(width, height)); + rect &= window->geometry(); + return QPixmap::fromImage(mFbScreenImage).copy(rect); + } + + return QPixmap(); +} + +QT_END_NAMESPACE + |