diff options
Diffstat (limited to 'src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp')
-rw-r--r-- | src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp new file mode 100644 index 0000000000..caf51170a6 --- /dev/null +++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** 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 "qwaylandxcompositeglxcontext.h" + +#include "qwaylandxcompositeglxwindow.h" +#include "qwaylandxcompositebuffer.h" + +#include "wayland-xcomposite-client-protocol.h" +#include <QtCore/QDebug> + +#include <X11/extensions/Xcomposite.h> + +QWaylandXCompositeGLXContext::QWaylandXCompositeGLXContext(QWaylandXCompositeGLXIntegration *glxIntegration, QWaylandXCompositeGLXWindow *window) + : QPlatformGLContext() + , mGlxIntegration(glxIntegration) + , mWindow(window) + , mBuffer(0) + , mXWindow(0) + , mConfig(qglx_findConfig(glxIntegration->xDisplay(),glxIntegration->screen(),window->widget()->platformWindowFormat())) + , mWaitingForSyncCallback(false) +{ + XVisualInfo *visualInfo = glXGetVisualFromFBConfig(glxIntegration->xDisplay(),mConfig); + mContext = glXCreateContext(glxIntegration->xDisplay(),visualInfo,0,TRUE); + + geometryChanged(); +} + +void QWaylandXCompositeGLXContext::makeCurrent() +{ + QPlatformGLContext::makeCurrent(); + glXMakeCurrent(mGlxIntegration->xDisplay(),mXWindow,mContext); +} + +void QWaylandXCompositeGLXContext::doneCurrent() +{ + glXMakeCurrent(mGlxIntegration->xDisplay(),0,0); + QPlatformGLContext::doneCurrent(); +} + +void QWaylandXCompositeGLXContext::swapBuffers() +{ + QSize size = mWindow->geometry().size(); + + glXSwapBuffers(mGlxIntegration->xDisplay(),mXWindow); + mWindow->damage(QRegion(QRect(QPoint(0,0),size))); + mWindow->waitForFrameSync(); +} + +void * QWaylandXCompositeGLXContext::getProcAddress(const QString &procName) +{ + return (void *) glXGetProcAddress(reinterpret_cast<GLubyte *>(procName.toLatin1().data())); +} + +QPlatformWindowFormat QWaylandXCompositeGLXContext::platformWindowFormat() const +{ + return qglx_platformWindowFromGLXFBConfig(mGlxIntegration->xDisplay(),mConfig,mContext); +} + +void QWaylandXCompositeGLXContext::sync_function(void *data) +{ + QWaylandXCompositeGLXContext *that = static_cast<QWaylandXCompositeGLXContext *>(data); + that->mWaitingForSyncCallback = false; +} + +void QWaylandXCompositeGLXContext::waitForSync() +{ + wl_display_sync_callback(mGlxIntegration->waylandDisplay()->wl_display(), + QWaylandXCompositeGLXContext::sync_function, + this); + mWaitingForSyncCallback = true; + wl_display_sync(mGlxIntegration->waylandDisplay()->wl_display(),0); + mGlxIntegration->waylandDisplay()->flushRequests(); + while (mWaitingForSyncCallback) { + mGlxIntegration->waylandDisplay()->readEvents(); + } +} + +void QWaylandXCompositeGLXContext::geometryChanged() +{ + QSize size(mWindow->geometry().size()); + if (size.isEmpty()) { + //QGLWidget wants a context for a window without geometry + size = QSize(1,1); + } + + delete mBuffer; + //XFreePixmap deletes the glxPixmap as well + if (mXWindow) { + XDestroyWindow(mGlxIntegration->xDisplay(),mXWindow); + } + + XVisualInfo *visualInfo = glXGetVisualFromFBConfig(mGlxIntegration->xDisplay(),mConfig); + Colormap cmap = XCreateColormap(mGlxIntegration->xDisplay(),mGlxIntegration->rootWindow(),visualInfo->visual,AllocNone); + + XSetWindowAttributes a; + a.colormap = cmap; + mXWindow = XCreateWindow(mGlxIntegration->xDisplay(), mGlxIntegration->rootWindow(),0, 0, size.width(), size.height(), + 0, visualInfo->depth, InputOutput, visualInfo->visual, + CWColormap, &a); + + XCompositeRedirectWindow(mGlxIntegration->xDisplay(), mXWindow, CompositeRedirectManual); + XMapWindow(mGlxIntegration->xDisplay(), mXWindow); + + XSync(mGlxIntegration->xDisplay(),False); + mBuffer = new QWaylandXCompositeBuffer(mGlxIntegration->waylandXComposite(), + (uint32_t)mXWindow, + size, + mGlxIntegration->waylandDisplay()->argbVisual()); + mWindow->attach(mBuffer); + waitForSync(); +} |