diff options
Diffstat (limited to 'src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglwindow.cpp')
-rw-r--r-- | src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglwindow.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglwindow.cpp b/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglwindow.cpp new file mode 100644 index 0000000..9e7f852 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglwindow.cpp @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** 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 plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwaylandreadbackcglwindow.h" +#include "qwaylandshmbackingstore.h" + +#include <OpenGL/OpenGL.h> +#include <OpenGL/glext.h> + +QWaylandReadbackCGLWindow::QWaylandReadbackCGLWindow(QWindow *window, QWaylandReadbackCGLIntegration *cglIntegration) + : QWaylandShmWindow(window) + , m_CglIntegration(cglIntegration) + , mContext(0) + , m_buffer(0) + , m_pixelBuffer(0) +{ +} + +QWaylandWindow::WindowType QWaylandReadbackCGLWindow::windowType() const +{ + //yeah. this type needs a new name + return QWaylandWindow::Egl; +} + + +void QWaylandReadbackCGLWindow::setGeometry(const QRect &rect) +{ + QWaylandShmWindow::setGeometry(rect); + + if (m_buffer) { + delete m_buffer; + m_buffer = 0; + + CGLDestroyPBuffer(m_pixelBuffer); + m_pixelBuffer = 0; + } +} + +CGLPBufferObj QWaylandReadbackCGLWindow::pixelBuffer() +{ + if (!m_pixelBuffer) + createSurface(); + + return m_pixelBuffer; +} + +uchar *QWaylandReadbackCGLWindow::buffer() +{ + return m_buffer->image()->bits(); +} + +void QWaylandReadbackCGLWindow::createSurface() +{ + QSize size(geometry().size()); + if (size.isEmpty()) { + //QGLWidget wants a context for a window without geometry + size = QSize(1,1); + } + + waitForFrameSync(); + + CGLCreatePBuffer(size.width(), size.height(), GL_TEXTURE_RECTANGLE_ARB, GL_BGRA, 0, &m_pixelBuffer); + + delete m_buffer; + m_buffer = new QWaylandShmBuffer(m_CglIntegration->waylandDisplay(),size,QImage::Format_ARGB32); + attach(m_buffer); +} + |