diff options
Diffstat (limited to 'src/plugins/platforms/wayland/gl_integration/readback_glx')
7 files changed, 569 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.cpp b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.cpp new file mode 100644 index 0000000000..08c5cf6c51 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.cpp @@ -0,0 +1,163 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "qwaylandreadbackglxcontext.h" + +#include "qwaylandshmsurface.h" +#include "qwaylandreadbackglxwindow.h" + +#include <QtCore/QDebug> + +static inline void qgl_byteSwapImage(QImage &img, GLenum pixel_type) +{ + const int width = img.width(); + const int height = img.height(); + + if (pixel_type == GL_UNSIGNED_INT_8_8_8_8_REV + || (pixel_type == GL_UNSIGNED_BYTE && QSysInfo::ByteOrder == QSysInfo::LittleEndian)) + { + for (int i = 0; i < height; ++i) { + uint *p = (uint *) img.scanLine(i); + for (int x = 0; x < width; ++x) + p[x] = ((p[x] << 16) & 0xff0000) | ((p[x] >> 16) & 0xff) | (p[x] & 0xff00ff00); + } + } else { + for (int i = 0; i < height; ++i) { + uint *p = (uint *) img.scanLine(i); + for (int x = 0; x < width; ++x) + p[x] = (p[x] << 8) | ((p[x] >> 24) & 0xff); + } + } +} + +QWaylandReadbackGlxContext::QWaylandReadbackGlxContext(QWaylandReadbackGlxIntegration *glxIntegration, QWaylandReadbackGlxWindow *window) + : QPlatformGLContext() + , mGlxIntegration(glxIntegration) + , mWindow(window) + , mBuffer(0) + , mPixmap(0) + , mConfig(qglx_findConfig(glxIntegration->xDisplay(),glxIntegration->screen(),window->widget()->platformWindowFormat(),GLX_PIXMAP_BIT)) + , mGlxPixmap(0) +{ + XVisualInfo *visualInfo = glXGetVisualFromFBConfig(glxIntegration->xDisplay(),mConfig); + mContext = glXCreateContext(glxIntegration->xDisplay(),visualInfo,0,TRUE); + + geometryChanged(); +} + +void QWaylandReadbackGlxContext::makeCurrent() +{ + QPlatformGLContext::makeCurrent(); + + glXMakeCurrent(mGlxIntegration->xDisplay(),mGlxPixmap,mContext); +} + +void QWaylandReadbackGlxContext::doneCurrent() +{ + QPlatformGLContext::doneCurrent(); +} + +void QWaylandReadbackGlxContext::swapBuffers() +{ + if (QPlatformGLContext::currentContext() != this) { + makeCurrent(); + } + + QSize size = mWindow->geometry().size(); + + QImage img(size,QImage::Format_ARGB32); + const uchar *constBits = img.bits(); + void *pixels = const_cast<uchar *>(constBits); + + glReadPixels(0,0, size.width(), size.height(), GL_RGBA,GL_UNSIGNED_BYTE, pixels); + + img = img.mirrored(); + qgl_byteSwapImage(img,GL_UNSIGNED_INT_8_8_8_8_REV); + constBits = img.bits(); + + const uchar *constDstBits = mBuffer->image()->bits(); + uchar *dstBits = const_cast<uchar *>(constDstBits); + memcpy(dstBits,constBits,(img.width()*4) * img.height()); + + + mWindow->damage(QRegion(QRect(QPoint(0,0),size))); + mWindow->waitForFrameSync(); + +} + +void * QWaylandReadbackGlxContext::getProcAddress(const QString &procName) +{ + return (void *) glXGetProcAddress(reinterpret_cast<GLubyte *>(procName.toLatin1().data())); +} + +QPlatformWindowFormat QWaylandReadbackGlxContext::platformWindowFormat() const +{ + return qglx_platformWindowFromGLXFBConfig(mGlxIntegration->xDisplay(),mConfig,mContext); +} + +void QWaylandReadbackGlxContext::geometryChanged() +{ + QSize size(mWindow->geometry().size()); + if (size.isEmpty()) { + //QGLWidget wants a context for a window without geometry + size = QSize(1,1); + } + + mWindow->waitForFrameSync(); + + delete mBuffer; + //XFreePixmap deletes the glxPixmap as well + if (mPixmap) { + XFreePixmap(mGlxIntegration->xDisplay(),mPixmap); + } + + mBuffer = new QWaylandShmBuffer(mGlxIntegration->waylandDisplay(),size,QImage::Format_ARGB32); + mWindow->attach(mBuffer); + int depth = XDefaultDepth(mGlxIntegration->xDisplay(),mGlxIntegration->screen()); + mPixmap = XCreatePixmap(mGlxIntegration->xDisplay(),mGlxIntegration->rootWindow(),size.width(),size.height(),depth); + XSync(mGlxIntegration->xDisplay(),False); + + mGlxPixmap = glXCreatePixmap(mGlxIntegration->xDisplay(),mConfig,mPixmap,0); + + if (!mGlxPixmap) { + qDebug() << "Could not make egl surface out of pixmap :("; + } +} diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.h b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.h new file mode 100644 index 0000000000..5fafcf03bf --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxcontext.h @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWAYLANDREADBACKGLXCONTEXT_H +#define QWAYLANDREADBACKGLXCONTEXT_H + +#include <QPlatformGLContext> + +#include "qwaylandreadbackglxintegration.h" + +#include "qglxconvenience.h" + +class QWaylandReadbackGlxWindow; +class QWaylandShmBuffer; + +class QWaylandReadbackGlxContext : public QPlatformGLContext +{ +public: + QWaylandReadbackGlxContext(QWaylandReadbackGlxIntegration *glxIntegration, QWaylandReadbackGlxWindow *window); + + void makeCurrent(); + void doneCurrent(); + void swapBuffers(); + void* getProcAddress(const QString& procName); + + QPlatformWindowFormat platformWindowFormat() const; + + void geometryChanged(); + +private: + QWaylandReadbackGlxIntegration *mGlxIntegration; + QWaylandReadbackGlxWindow *mWindow; + QWaylandShmBuffer *mBuffer; + + Pixmap mPixmap; + GLXFBConfig mConfig; + GLXContext mContext; + GLXPixmap mGlxPixmap; +}; + +#endif // QWAYLANDREADBACKGLXCONTEXT_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.cpp b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.cpp new file mode 100644 index 0000000000..4651f0c30e --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.cpp @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "qwaylandreadbackglxintegration.h" + +#include "qwaylandreadbackglxwindow.h" + +#include <QtCore/QDebug> + +QWaylandReadbackGlxIntegration::QWaylandReadbackGlxIntegration(QWaylandDisplay * waylandDispaly) + : QWaylandGLIntegration() + , mWaylandDisplay(waylandDispaly) +{ + qDebug() << "Using Readback-GLX"; + char *display_name = getenv("DISPLAY"); + mDisplay = XOpenDisplay(display_name); + mScreen = XDefaultScreen(mDisplay); + mRootWindow = XDefaultRootWindow(mDisplay); + XSync(mDisplay, False); +} + +QWaylandReadbackGlxIntegration::~QWaylandReadbackGlxIntegration() +{ + XCloseDisplay(mDisplay); +} + +void QWaylandReadbackGlxIntegration::initialize() +{ +} + +QWaylandWindow * QWaylandReadbackGlxIntegration::createEglWindow(QWidget *widget) +{ + return new QWaylandReadbackGlxWindow(widget,this); +} + +QWaylandGLIntegration * QWaylandGLIntegration::createGLIntegration(QWaylandDisplay *waylandDisplay) +{ + return new QWaylandReadbackGlxIntegration(waylandDisplay); +} + +Display * QWaylandReadbackGlxIntegration::xDisplay() const +{ + return mDisplay; +} + +int QWaylandReadbackGlxIntegration::screen() const +{ + return mScreen; +} + +Window QWaylandReadbackGlxIntegration::rootWindow() const +{ + return mRootWindow; +} + +QWaylandDisplay * QWaylandReadbackGlxIntegration::waylandDisplay() const +{ + return mWaylandDisplay; +} diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.h b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.h new file mode 100644 index 0000000000..9056393905 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxintegration.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWAYLANDREADBACKGLXINTEGRATION_H +#define QWAYLANDREADBACKGLXINTEGRATION_H + +#include "gl_integration/qwaylandglintegration.h" + +#include <QtCore/QTextStream> +#include <QtCore/QDataStream> +#include <QtCore/QMetaType> +#include <QtCore/QVariant> +#include <QtGui/QWidget> + +#include <X11/Xlib.h> + +class QWaylandReadbackGlxIntegration : public QWaylandGLIntegration +{ +public: + QWaylandReadbackGlxIntegration(QWaylandDisplay * waylandDispaly); + ~QWaylandReadbackGlxIntegration(); + + void initialize(); + + QWaylandWindow *createEglWindow(QWidget *widget); + + QWaylandDisplay *waylandDisplay() const; + + Display *xDisplay() const; + int screen() const; + Window rootWindow() const; + +private: + QWaylandDisplay *mWaylandDisplay; + + Display *mDisplay; + int mScreen; + Window mRootWindow; + +}; + +#endif // QWAYLANDREADBACKGLXINTEGRATION_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.cpp b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.cpp new file mode 100644 index 0000000000..ca1603c649 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.cpp @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "qwaylandreadbackglxwindow.h" + +QWaylandReadbackGlxWindow::QWaylandReadbackGlxWindow(QWidget *window, QWaylandReadbackGlxIntegration *glxIntegration) + : QWaylandShmWindow(window) + , mGlxIntegration(glxIntegration) + , mContext(0) +{ +} + +QWaylandWindow::WindowType QWaylandReadbackGlxWindow::windowType() const +{ + //yeah. this type needs a new name + return QWaylandWindow::Egl; +} + +QPlatformGLContext * QWaylandReadbackGlxWindow::glContext() const +{ + if (!mContext) { + QWaylandReadbackGlxWindow *that = const_cast<QWaylandReadbackGlxWindow *>(this); + that->mContext = new QWaylandReadbackGlxContext(mGlxIntegration,that); + } + return mContext; +} + +void QWaylandReadbackGlxWindow::setGeometry(const QRect &rect) +{ + QWaylandShmWindow::setGeometry(rect); + + if (mContext) { + mContext->geometryChanged(); + } +} diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.h b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.h new file mode 100644 index 0000000000..4d7bb3ee74 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/qwaylandreadbackglxwindow.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWAYLANDREADBACKGLXWINDOW_H +#define QWAYLANDREADBACKGLXWINDOW_H + +#include "qwaylandshmwindow.h" +#include "qwaylandreadbackglxintegration.h" +#include "qwaylandreadbackglxcontext.h" + +class QWaylandReadbackGlxWindow : public QWaylandShmWindow +{ +public: + QWaylandReadbackGlxWindow(QWidget *window, QWaylandReadbackGlxIntegration *glxIntegration); + WindowType windowType() const; + + QPlatformGLContext *glContext() const; + + void setGeometry(const QRect &rect); + +private: + QWaylandReadbackGlxIntegration *mGlxIntegration; + QWaylandReadbackGlxContext *mContext; + +}; + +#endif // QWAYLANDREADBACKGLXWINDOW_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_glx/readback_glx.pri b/src/plugins/platforms/wayland/gl_integration/readback_glx/readback_glx.pri new file mode 100644 index 0000000000..f8ea005937 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_glx/readback_glx.pri @@ -0,0 +1,12 @@ +include (../../../glxconvenience/glxconvenience.pri) +HEADERS += \ + $$PWD/qwaylandreadbackglxintegration.h \ + $$PWD/qwaylandreadbackglxwindow.h \ + $$PWD/qwaylandreadbackglxcontext.h + +SOURCES += \ + $$PWD/qwaylandreadbackglxintegration.cpp \ + $$PWD/qwaylandreadbackglxwindow.cpp \ + $$PWD/qwaylandreadbackglxcontext.cpp + +LIBS += -lX11 |