Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
413 lines
12 KiB
C++
413 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QApplication>
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#include <QtGui/private/qapplication_p.h>
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#include <QPixmap>
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#include <QDebug>
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#include <QtGui/private/qapplication_p.h>
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#include <QtGui/QPlatformWindow>
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#include "qgl.h"
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#include "qgl_p.h"
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QT_BEGIN_NAMESPACE
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/*!
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\since 4.8
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Returns an OpenGL format for the platform window format specified by \a format.
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*/
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QGLFormat QGLFormat::fromPlatformWindowFormat(const QPlatformWindowFormat &format)
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{
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QGLFormat retFormat;
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retFormat.setAccum(format.accum());
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if (format.accumBufferSize() >= 0)
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retFormat.setAccumBufferSize(format.accumBufferSize());
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retFormat.setAlpha(format.alpha());
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if (format.alphaBufferSize() >= 0)
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retFormat.setAlphaBufferSize(format.alphaBufferSize());
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if (format.blueBufferSize() >= 0)
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retFormat.setBlueBufferSize(format.blueBufferSize());
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retFormat.setDepth(format.depth());
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if (format.depthBufferSize() >= 0)
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retFormat.setDepthBufferSize(format.depthBufferSize());
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retFormat.setDirectRendering(format.directRendering());
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retFormat.setDoubleBuffer(format.doubleBuffer());
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if (format.greenBufferSize() >= 0)
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retFormat.setGreenBufferSize(format.greenBufferSize());
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if (format.redBufferSize() >= 0)
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retFormat.setRedBufferSize(format.redBufferSize());
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retFormat.setRgba(format.rgba());
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retFormat.setSampleBuffers(format.sampleBuffers());
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retFormat.setSamples(format.sampleBuffers());
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retFormat.setStencil(format.stencil());
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if (format.stencilBufferSize() >= 0)
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retFormat.setStencilBufferSize(format.stencilBufferSize());
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retFormat.setStereo(format.stereo());
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retFormat.setSwapInterval(format.swapInterval());
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return retFormat;
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}
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/*!
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\since 4.8
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Returns a platform window format for the OpenGL format specified by \a format.
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*/
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QPlatformWindowFormat QGLFormat::toPlatformWindowFormat(const QGLFormat &format)
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{
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QPlatformWindowFormat retFormat;
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retFormat.setAccum(format.accum());
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if (format.accumBufferSize() >= 0)
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retFormat.setAccumBufferSize(format.accumBufferSize());
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retFormat.setAlpha(format.alpha());
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if (format.alphaBufferSize() >= 0)
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retFormat.setAlphaBufferSize(format.alphaBufferSize());
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if (format.blueBufferSize() >= 0)
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retFormat.setBlueBufferSize(format.blueBufferSize());
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retFormat.setDepth(format.depth());
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if (format.depthBufferSize() >= 0)
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retFormat.setDepthBufferSize(format.depthBufferSize());
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retFormat.setDirectRendering(format.directRendering());
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retFormat.setDoubleBuffer(format.doubleBuffer());
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if (format.greenBufferSize() >= 0)
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retFormat.setGreenBufferSize(format.greenBufferSize());
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if (format.redBufferSize() >= 0)
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retFormat.setRedBufferSize(format.redBufferSize());
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retFormat.setRgba(format.rgba());
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retFormat.setSampleBuffers(format.sampleBuffers());
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if (format.samples() >= 0)
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retFormat.setSamples(format.samples());
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retFormat.setStencil(format.stencil());
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if (format.stencilBufferSize() >= 0)
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retFormat.setStencilBufferSize(format.stencilBufferSize());
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retFormat.setStereo(format.stereo());
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retFormat.setSwapInterval(format.swapInterval());
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return retFormat;
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}
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void QGLContextPrivate::setupSharing() {
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Q_Q(QGLContext);
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QPlatformGLContext *sharedPlatformGLContext = platformContext->platformWindowFormat().sharedGLContext();
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if (sharedPlatformGLContext) {
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QGLContext *actualSharedContext = QGLContext::fromPlatformGLContext(sharedPlatformGLContext);
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sharing = true;
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QGLContextGroup::addShare(q,actualSharedContext);
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}
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}
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bool QGLFormat::hasOpenGL()
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{
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return QApplicationPrivate::platformIntegration()
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->hasCapability(QPlatformIntegration::OpenGL);
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}
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void qDeleteQGLContext(void *handle)
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{
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QGLContext *context = static_cast<QGLContext *>(handle);
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delete context;
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}
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bool QGLContext::chooseContext(const QGLContext* shareContext)
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{
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Q_D(QGLContext);
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if(!d->paintDevice || d->paintDevice->devType() != QInternal::Widget) {
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d->valid = false;
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}else {
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QWidget *widget = static_cast<QWidget *>(d->paintDevice);
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if (!widget->platformWindow()){
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QGLFormat glformat = format();
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QPlatformWindowFormat winFormat = QGLFormat::toPlatformWindowFormat(glformat);
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if (shareContext) {
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winFormat.setSharedContext(shareContext->d_func()->platformContext);
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}
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if (widget->testAttribute(Qt::WA_TranslucentBackground))
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winFormat.setAlpha(true);
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winFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
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winFormat.setWindowSurface(false);
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widget->setPlatformWindowFormat(winFormat);
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widget->winId();//make window
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}
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d->platformContext = widget->platformWindow()->glContext();
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Q_ASSERT(d->platformContext);
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d->glFormat = QGLFormat::fromPlatformWindowFormat(d->platformContext->platformWindowFormat());
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d->valid =(bool) d->platformContext;
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if (d->valid) {
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d->platformContext->setQGLContextHandle(this,qDeleteQGLContext);
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}
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d->setupSharing();
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}
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return d->valid;
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}
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void QGLContext::reset()
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{
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Q_D(QGLContext);
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if (!d->valid)
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return;
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d->cleanup();
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d->crWin = false;
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d->sharing = false;
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d->valid = false;
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d->transpColor = QColor();
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d->initDone = false;
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QGLContextGroup::removeShare(this);
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if (d->platformContext) {
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d->platformContext->setQGLContextHandle(0,0);
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}
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}
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void QGLContext::makeCurrent()
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{
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Q_D(QGLContext);
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d->platformContext->makeCurrent();
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if (!d->workaroundsCached) {
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d->workaroundsCached = true;
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const char *renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
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if (renderer && strstr(renderer, "Mali")) {
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d->workaround_brokenFBOReadBack = true;
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}
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}
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}
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void QGLContext::doneCurrent()
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{
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Q_D(QGLContext);
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d->platformContext->doneCurrent();
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}
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void QGLContext::swapBuffers() const
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{
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Q_D(const QGLContext);
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d->platformContext->swapBuffers();
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}
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void *QGLContext::getProcAddress(const QString &procName) const
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{
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Q_D(const QGLContext);
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return d->platformContext->getProcAddress(procName);
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}
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void QGLWidget::setContext(QGLContext *context,
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const QGLContext* shareContext,
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bool deleteOldContext)
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{
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Q_D(QGLWidget);
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if (context == 0) {
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qWarning("QGLWidget::setContext: Cannot set null context");
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return;
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}
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if (context->device() == 0) // a context may refere to more than 1 window.
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context->setDevice(this); //but its better to point to 1 of them than none of them.
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QGLContext* oldcx = d->glcx;
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d->glcx = context;
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if (!d->glcx->isValid())
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d->glcx->create(shareContext ? shareContext : oldcx);
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if (deleteOldContext)
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delete oldcx;
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}
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void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget *shareWidget)
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{
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initContext(context, shareWidget);
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}
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bool QGLFormat::hasOpenGLOverlays()
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{
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return false;
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}
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QColor QGLContext::overlayTransparentColor() const
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{
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return QColor(); // Invalid color
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}
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uint QGLContext::colorIndex(const QColor&) const
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{
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return 0;
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}
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void QGLContext::generateFontDisplayLists(const QFont & fnt, int listBase)
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{
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Q_UNUSED(fnt);
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Q_UNUSED(listBase);
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}
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/*
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QGLTemporaryContext implementation
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*/
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class QGLTemporaryContextPrivate
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{
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public:
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QWidget *widget;
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QPlatformGLContext *context;
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};
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QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *)
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: d(new QGLTemporaryContextPrivate)
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{
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d->context = const_cast<QPlatformGLContext *>(QPlatformGLContext::currentContext());
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if (d->context)
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d->context->doneCurrent();
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d->widget = new QWidget;
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d->widget->setGeometry(0,0,3,3);
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QPlatformWindowFormat format = d->widget->platformWindowFormat();
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format.setWindowApi(QPlatformWindowFormat::OpenGL);
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format.setWindowSurface(false);
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d->widget->setPlatformWindowFormat(format);
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d->widget->winId();
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d->widget->platformWindow()->glContext()->makeCurrent();
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}
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QGLTemporaryContext::~QGLTemporaryContext()
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{
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d->widget->platformWindow()->glContext()->doneCurrent();
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if (d->context)
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d->context->makeCurrent();
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delete d->widget;
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}
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bool QGLWidgetPrivate::renderCxPm(QPixmap*)
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{
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return false;
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}
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/*! \internal
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Free up any allocated colormaps. This fn is only called for
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top-level widgets.
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*/
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void QGLWidgetPrivate::cleanupColormaps()
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{
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}
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void QGLWidget::setMouseTracking(bool enable)
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{
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Q_UNUSED(enable);
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}
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bool QGLWidget::event(QEvent *e)
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{
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return QWidget::event(e);
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}
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void QGLWidget::resizeEvent(QResizeEvent *e)
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{
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Q_D(QGLWidget);
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QWidget::resizeEvent(e);
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if (!isValid())
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return;
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makeCurrent();
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if (!d->glcx->initialized())
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glInit();
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resizeGL(width(), height());
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}
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const QGLContext* QGLWidget::overlayContext() const
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{
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return 0;
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}
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void QGLWidget::makeOverlayCurrent()
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{
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}
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void QGLWidget::updateOverlayGL()
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{
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}
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const QGLColormap & QGLWidget::colormap() const
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{
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Q_D(const QGLWidget);
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return d->cmap;
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}
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void QGLWidget::setColormap(const QGLColormap & c)
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{
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Q_UNUSED(c);
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}
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QGLContext::QGLContext(QPlatformGLContext *platformContext)
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: d_ptr(new QGLContextPrivate(this))
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{
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Q_D(QGLContext);
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d->init(0,QGLFormat::fromPlatformWindowFormat(platformContext->platformWindowFormat()));
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d->platformContext = platformContext;
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d->platformContext->setQGLContextHandle(this,qDeleteQGLContext);
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d->valid = true;
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d->setupSharing();
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}
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/*!
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\since 4.8
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Returns a OpenGL context for the platform-specific OpenGL context given by
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\a platformContext.
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*/
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QGLContext *QGLContext::fromPlatformGLContext(QPlatformGLContext *platformContext)
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{
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if (!platformContext)
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return 0;
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if (platformContext->qGLContextHandle()) {
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return reinterpret_cast<QGLContext *>(platformContext->qGLContextHandle());
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}
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QGLContext *glContext = new QGLContext(platformContext);
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//Don't call create on context. This can cause the platformFormat to be set on the widget, which
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//will cause the platformWindow to be recreated.
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return glContext;
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}
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QT_END_NAMESPACE
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