diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbbackingstore.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbbackingstore.cpp | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp index f4382c7b50..ce2329724a 100644 --- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp +++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** @@ -10,9 +10,9 @@ ** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. +** 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 @@ -23,8 +23,8 @@ ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** 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. ** ** $QT_END_LICENSE$ @@ -49,6 +49,7 @@ #include <qdebug.h> #include <qpainter.h> #include <qscreen.h> +#include <qpa/qplatformgraphicsbuffer.h> #include <algorithm> QT_BEGIN_NAMESPACE @@ -60,6 +61,8 @@ public: ~QXcbShmImage() { destroy(); } QImage *image() { return &m_qimage; } + QPlatformGraphicsBuffer *graphicsBuffer() { return m_graphics_buffer; } + QSize size() const { return m_qimage.size(); } void put(xcb_window_t window, const QPoint &dst, const QRect &source); @@ -73,6 +76,7 @@ private: xcb_image_t *m_xcb_image; QImage m_qimage; + QPlatformGraphicsBuffer *m_graphics_buffer; xcb_gcontext_t m_gc; xcb_window_t m_gc_window; @@ -80,8 +84,39 @@ private: QRegion m_dirty; }; +class QXcbShmGraphicsBuffer : public QPlatformGraphicsBuffer +{ +public: + QXcbShmGraphicsBuffer(QImage *image) + : QPlatformGraphicsBuffer(image->size(), QImage::toPixelFormat(image->format())) + , m_access_lock(QPlatformGraphicsBuffer::None) + , m_image(image) + { } + + bool doLock(AccessTypes access, const QRect &rect) Q_DECL_OVERRIDE + { + Q_UNUSED(rect); + if (access & ~(QPlatformGraphicsBuffer::SWReadAccess | QPlatformGraphicsBuffer::SWWriteAccess)) + return false; + + m_access_lock |= access; + return true; + } + void doUnlock() Q_DECL_OVERRIDE { m_access_lock = None; } + + const uchar *data() const Q_DECL_OVERRIDE { return m_image->bits(); } + uchar *data() Q_DECL_OVERRIDE { return m_image->bits(); } + int bytesPerLine() const Q_DECL_OVERRIDE { return m_image->bytesPerLine(); } + + Origin origin() const Q_DECL_OVERRIDE { return QPlatformGraphicsBuffer::OriginTopLeft; } +private: + AccessTypes m_access_lock; + QImage *m_image; +}; + QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QImage::Format format) : QXcbObject(screen->connection()) + , m_graphics_buffer(Q_NULLPTR) , m_gc(0) , m_gc_window(0) { @@ -137,6 +172,7 @@ QXcbShmImage::QXcbShmImage(QXcbScreen *screen, const QSize &size, uint depth, QI } m_qimage = QImage( (uchar*) m_xcb_image->data, m_xcb_image->width, m_xcb_image->height, m_xcb_image->stride, format); + m_graphics_buffer = new QXcbShmGraphicsBuffer(&m_qimage); } void QXcbShmImage::destroy() @@ -158,6 +194,8 @@ void QXcbShmImage::destroy() if (m_gc) Q_XCB_CALL(xcb_free_gc(xcb_connection(), m_gc)); + delete m_graphics_buffer; + m_graphics_buffer = Q_NULLPTR; } void QXcbShmImage::put(xcb_window_t window, const QPoint &target, const QRect &source) @@ -287,10 +325,17 @@ void QXcbBackingStore::beginPaint(const QRegion ®ion) } } +#ifndef QT_NO_OPENGL QImage QXcbBackingStore::toImage() const { return m_image && m_image->image() ? *m_image->image() : QImage(); } +#endif + +QPlatformGraphicsBuffer *QXcbBackingStore::graphicsBuffer() const +{ + return m_image ? m_image->graphicsBuffer() : Q_NULLPTR; +} void QXcbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset) { |