diff options
Diffstat (limited to 'src/plugins/platforms/wayland/gl_integration/readback_egl')
7 files changed, 604 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.cpp b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.cpp new file mode 100644 index 0000000000..d63087d934 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.cpp @@ -0,0 +1,174 @@ +/**************************************************************************** +** +** 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 "qwaylandreadbackeglcontext.h" + +#include "../../../eglconvenience/qeglconvenience.h" + +#include <QtOpenGL/QGLContext> +#include <QtOpenGL/private/qglextensions_p.h> + +#include "qwaylandshmsurface.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); + } + } +} + +QWaylandReadbackEglContext::QWaylandReadbackEglContext(QWaylandReadbackEglIntegration *eglIntegration, QWaylandReadbackEglWindow *window) + : mEglIntegration(eglIntegration) + , mWindow(window) + , mBuffer(0) + , mPixmap(0) + , mConfig(q_configFromQPlatformWindowFormat(eglIntegration->eglDisplay(),window->widget()->platformWindowFormat(),true,EGL_PIXMAP_BIT)) + , mPixmapSurface(EGL_NO_SURFACE) +{ + QVector<EGLint> eglContextAttrs; + eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION); + eglContextAttrs.append(2); + eglContextAttrs.append(EGL_NONE); + + mContext = eglCreateContext(eglIntegration->eglDisplay(),mConfig,0,eglContextAttrs.constData()); + + geometryChanged(); +} + +QWaylandReadbackEglContext::~QWaylandReadbackEglContext() +{ + eglDestroyContext(mEglIntegration->eglDisplay(),mContext); +} + +void QWaylandReadbackEglContext::makeCurrent() +{ + QPlatformGLContext::makeCurrent(); + + mWindow->waitForFrameSync(); + + eglMakeCurrent(mEglIntegration->eglDisplay(),mPixmapSurface,mPixmapSurface,mContext); +} + +void QWaylandReadbackEglContext::doneCurrent() +{ + QPlatformGLContext::doneCurrent(); + eglMakeCurrent(mEglIntegration->eglDisplay(),EGL_NO_SURFACE,EGL_NO_SURFACE,EGL_NO_CONTEXT); +} + +void QWaylandReadbackEglContext::swapBuffers() +{ + eglSwapBuffers(mEglIntegration->eglDisplay(),mPixmapSurface); + + 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))); +} + +void * QWaylandReadbackEglContext::getProcAddress(const QString &procName) +{ + return (void *) eglGetProcAddress(procName.toLatin1().data()); +} + +QPlatformWindowFormat QWaylandReadbackEglContext::platformWindowFormat() const +{ + return qt_qPlatformWindowFormatFromConfig(mEglIntegration->eglDisplay(),mConfig); +} + +void QWaylandReadbackEglContext::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; + if (mPixmap) + XFreePixmap(mEglIntegration->xDisplay(),mPixmap); + + mBuffer = new QWaylandShmBuffer(mEglIntegration->waylandDisplay(),size,QImage::Format_ARGB32); + mWindow->attach(mBuffer); + mPixmap = XCreatePixmap(mEglIntegration->xDisplay(),mEglIntegration->rootWindow(),size.width(),size.height(),mEglIntegration->depth()); + XSync(mEglIntegration->xDisplay(),False); + + mPixmapSurface = eglCreatePixmapSurface(mEglIntegration->eglDisplay(),mConfig,mPixmap,0); + if (mPixmapSurface == EGL_NO_SURFACE) { + qDebug() << "Could not make egl surface out of pixmap :("; + } +} diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.h b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.h new file mode 100644 index 0000000000..ac682759e9 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglcontext.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 QWAYLANDREADBACKEGLGLCONTEXT_H +#define QWAYLANDREADBACKEGLGLCONTEXT_H + +#include <QPlatformGLContext> +#include <QtGui/QWidget> + +#include "qwaylandreadbackeglintegration.h" +#include "qwaylandreadbackeglwindow.h" + +class QWaylandShmBuffer; + +class QWaylandReadbackEglContext : public QPlatformGLContext +{ +public: + QWaylandReadbackEglContext(QWaylandReadbackEglIntegration *eglIntegration, QWaylandReadbackEglWindow *window); + ~QWaylandReadbackEglContext(); + + void makeCurrent(); + void doneCurrent(); + void swapBuffers(); + void* getProcAddress(const QString& procName); + + virtual QPlatformWindowFormat platformWindowFormat() const; + + void geometryChanged(); + +private: + QWaylandReadbackEglIntegration *mEglIntegration; + QWaylandReadbackEglWindow *mWindow; + QWaylandShmBuffer *mBuffer; + + Pixmap mPixmap; + + EGLConfig mConfig; + EGLContext mContext; + EGLSurface mPixmapSurface; +}; + +#endif // QWAYLANDREADBACKEGLGLCONTEXT_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.cpp b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.cpp new file mode 100644 index 0000000000..20f7ffb609 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.cpp @@ -0,0 +1,112 @@ +/**************************************************************************** +** +** 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 "qwaylandreadbackeglintegration.h" + +#include <QDebug> + +#include "qwaylandreadbackeglwindow.h" + +QWaylandReadbackEglIntegration::QWaylandReadbackEglIntegration(QWaylandDisplay *display) + : QWaylandGLIntegration() + , mWaylandDisplay(display) +{ + qDebug() << "Using Readback-EGL"; + char *display_name = getenv("DISPLAY"); + mDisplay = XOpenDisplay(display_name); + mScreen = XDefaultScreen(mDisplay); + mRootWindow = XDefaultRootWindow(mDisplay); + XSync(mDisplay, False); +} + +QWaylandReadbackEglIntegration::~QWaylandReadbackEglIntegration() +{ + XCloseDisplay(mDisplay); +} + + +QWaylandGLIntegration *QWaylandGLIntegration::createGLIntegration(QWaylandDisplay *waylandDisplay) +{ + return new QWaylandReadbackEglIntegration(waylandDisplay); +} + +void QWaylandReadbackEglIntegration::initialize() +{ + eglBindAPI(EGL_OPENGL_ES_API); + mEglDisplay = eglGetDisplay(mDisplay); + EGLint major, minor; + EGLBoolean initialized = eglInitialize(mEglDisplay,&major,&minor); + if (initialized) { + qDebug() << "EGL initialized successfully" << major << "," << minor; + } else { + qDebug() << "EGL could not initialized. All EGL and GL operations will fail"; + } +} + +QWaylandWindow * QWaylandReadbackEglIntegration::createEglWindow(QWidget *widget) +{ + return new QWaylandReadbackEglWindow(widget,this); +} + +EGLDisplay QWaylandReadbackEglIntegration::eglDisplay() +{ + return mEglDisplay; +} + +Window QWaylandReadbackEglIntegration::rootWindow() const +{ + return mRootWindow; +} + +int QWaylandReadbackEglIntegration::depth() const +{ + return XDefaultDepth(mDisplay,mScreen); +} + +Display * QWaylandReadbackEglIntegration::xDisplay() const +{ + return mDisplay; +} + +QWaylandDisplay * QWaylandReadbackEglIntegration::waylandDisplay() const +{ + return mWaylandDisplay; +} diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.h b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.h new file mode 100644 index 0000000000..84fa64fd34 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglintegration.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** 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 QWAYLANDREADBACKEGLINTEGRATION_H +#define QWAYLANDREADBACKEGLINTEGRATION_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> + +#include <EGL/egl.h> + +class QWaylandReadbackEglIntegration : public QWaylandGLIntegration +{ +public: + QWaylandReadbackEglIntegration(QWaylandDisplay *display); + ~QWaylandReadbackEglIntegration(); + + void initialize(); + QWaylandWindow *createEglWindow(QWidget *widget); + + QWaylandDisplay *waylandDisplay() const; + Display *xDisplay() const; + Window rootWindow() const; + int depth() const; + + EGLDisplay eglDisplay(); + +private: + QWaylandDisplay *mWaylandDisplay; + Display *mDisplay; + int mScreen; + Window mRootWindow; + EGLDisplay mEglDisplay; + +}; + +#endif // QWAYLANDREADBACKEGLINTEGRATION_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.cpp b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.cpp new file mode 100644 index 0000000000..2ae212ba67 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.cpp @@ -0,0 +1,76 @@ +/**************************************************************************** +** +** 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 "qwaylandreadbackeglwindow.h" + +#include "qwaylandreadbackeglcontext.h" + +QWaylandReadbackEglWindow::QWaylandReadbackEglWindow(QWidget *window, QWaylandReadbackEglIntegration *eglIntegration) + : QWaylandShmWindow(window) + , mEglIntegration(eglIntegration) + , mContext(0) +{ +} + +QWaylandWindow::WindowType QWaylandReadbackEglWindow::windowType() const +{ + //We'r lying, maybe we should add a type, but for now it will do + //since this is primarly used by the windowsurface. + return QWaylandWindow::Egl; +} + +QPlatformGLContext *QWaylandReadbackEglWindow::glContext() const +{ + if (!mContext) { + QWaylandReadbackEglWindow *that = const_cast<QWaylandReadbackEglWindow *>(this); + that->mContext = new QWaylandReadbackEglContext(mEglIntegration,that); + } + return mContext; +} + +void QWaylandReadbackEglWindow::setGeometry(const QRect &rect) +{ + QPlatformWindow::setGeometry(rect); + + if (mContext) + mContext->geometryChanged(); +} + diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.h b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.h new file mode 100644 index 0000000000..453ad27cd9 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/qwaylandreadbackeglwindow.h @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** 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 QWAYLANDREADBACKEGLWINDOW_H +#define QWAYLANDREADBACKEGLWINDOW_H + +#include "qwaylandshmwindow.h" +#include "qwaylandreadbackeglintegration.h" + +class QWaylandReadbackEglContext; + +class QWaylandReadbackEglWindow : public QWaylandShmWindow +{ +public: + QWaylandReadbackEglWindow(QWidget *window, QWaylandReadbackEglIntegration *eglIntegration); + + WindowType windowType() const; + + QPlatformGLContext *glContext() const; + + void setGeometry(const QRect &rect); + +private: + QWaylandReadbackEglIntegration *mEglIntegration; + QWaylandReadbackEglContext *mContext; +}; + +#endif // QWAYLANDREADBACKEGLWINDOW_H diff --git a/src/plugins/platforms/wayland/gl_integration/readback_egl/readback_egl.pri b/src/plugins/platforms/wayland/gl_integration/readback_egl/readback_egl.pri new file mode 100644 index 0000000000..0d8e01b6bb --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/readback_egl/readback_egl.pri @@ -0,0 +1,14 @@ + +LIBS += -lX11 -lXext -lEGL + +HEADERS += \ + $$PWD/qwaylandreadbackeglintegration.h \ + $$PWD/qwaylandreadbackeglcontext.h \ + $$PWD/qwaylandreadbackeglwindow.h \ + $$PWD/../../../eglconvenience/qeglconvenience.h + +SOURCES += \ + $$PWD/qwaylandreadbackeglintegration.cpp \ + $$PWD/qwaylandreadbackeglwindow.cpp \ + $$PWD/qwaylandreadbackeglcontext.cpp \ + $$PWD/../../../eglconvenience/qeglconvenience.cpp |