qt6-bb10/src/plugins/platforms/android/qandroidplatformopenglwindo...

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/****************************************************************************
**
** Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qandroidplatformopenglwindow.h"
#include "qandroidplatformscreen.h"
#include "androidjnimain.h"
#include "qandroideventdispatcher.h"
#include "androiddeadlockprotector.h"
#include <QSurfaceFormat>
#include <QtGui/private/qwindow_p.h>
#include <qpa/qwindowsysteminterface.h>
#include <qpa/qplatformscreen.h>
#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <android/native_window.h>
#include <android/native_window_jni.h>
QT_BEGIN_NAMESPACE
QAndroidPlatformOpenGLWindow::QAndroidPlatformOpenGLWindow(QWindow *window, EGLDisplay display)
:QAndroidPlatformWindow(window), m_eglDisplay(display)
{
}
QAndroidPlatformOpenGLWindow::~QAndroidPlatformOpenGLWindow()
{
m_surfaceWaitCondition.wakeOne();
lockSurface();
if (m_nativeSurfaceId != -1)
QtAndroid::destroySurface(m_nativeSurfaceId);
clearEgl();
unlockSurface();
}
void QAndroidPlatformOpenGLWindow::repaint(const QRegion &region)
{
// This is only for real raster top-level windows. Stop in all other cases.
if ((window()->surfaceType() == QSurface::RasterGLSurface && qt_window_private(window())->compositing)
|| window()->surfaceType() == QSurface::OpenGLSurface
|| QAndroidPlatformWindow::parent())
return;
QRect currentGeometry = geometry();
QRect dirtyClient = region.boundingRect();
QRect dirtyRegion(currentGeometry.left() + dirtyClient.left(),
currentGeometry.top() + dirtyClient.top(),
dirtyClient.width(),
dirtyClient.height());
QRect mOldGeometryLocal = m_oldGeometry;
m_oldGeometry = currentGeometry;
// If this is a move, redraw the previous location
if (mOldGeometryLocal != currentGeometry)
platformScreen()->setDirty(mOldGeometryLocal);
platformScreen()->setDirty(dirtyRegion);
}
void QAndroidPlatformOpenGLWindow::setGeometry(const QRect &rect)
{
if (rect == geometry())
return;
m_oldGeometry = geometry();
QAndroidPlatformWindow::setGeometry(rect);
if (m_nativeSurfaceId != -1)
QtAndroid::setSurfaceGeometry(m_nativeSurfaceId, rect);
QRect availableGeometry = screen()->availableGeometry();
if (m_oldGeometry.width() == 0
&& m_oldGeometry.height() == 0
&& rect.width() > 0
&& rect.height() > 0
&& availableGeometry.width() > 0
&& availableGeometry.height() > 0) {
QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), rect.size()));
}
if (rect.topLeft() != m_oldGeometry.topLeft())
repaint(QRegion(rect));
}
EGLSurface QAndroidPlatformOpenGLWindow::eglSurface(EGLConfig config)
{
if (QAndroidEventDispatcherStopper::stopped())
return m_eglSurface;
QMutexLocker lock(&m_surfaceMutex);
if (m_nativeSurfaceId == -1) {
AndroidDeadlockProtector protector;
if (!protector.acquire())
return m_eglSurface;
const bool windowStaysOnTop = bool(window()->flags() & Qt::WindowStaysOnTopHint);
m_nativeSurfaceId = QtAndroid::createSurface(this, geometry(), windowStaysOnTop, 32);
m_surfaceWaitCondition.wait(&m_surfaceMutex);
}
if (m_eglSurface == EGL_NO_SURFACE) {
m_surfaceMutex.unlock();
checkNativeSurface(config);
m_surfaceMutex.lock();
}
return m_eglSurface;
}
bool QAndroidPlatformOpenGLWindow::checkNativeSurface(EGLConfig config)
{
QMutexLocker lock(&m_surfaceMutex);
if (m_nativeSurfaceId == -1 || !m_androidSurfaceObject.isValid())
return false; // makeCurrent is NOT needed.
createEgl(config);
// we've create another surface, the window should be repainted
QRect availableGeometry = screen()->availableGeometry();
if (geometry().width() > 0 && geometry().height() > 0 && availableGeometry.width() > 0 && availableGeometry.height() > 0)
QWindowSystemInterface::handleExposeEvent(window(), QRegion(QRect(QPoint(), geometry().size())));
return true; // makeCurrent is needed!
}
void QAndroidPlatformOpenGLWindow::applicationStateChanged(Qt::ApplicationState state)
{
QAndroidPlatformWindow::applicationStateChanged(state);
if (state <= Qt::ApplicationHidden && QtAndroid::blockEventLoopsWhenSuspended()) {
lockSurface();
if (m_nativeSurfaceId != -1) {
QtAndroid::destroySurface(m_nativeSurfaceId);
m_nativeSurfaceId = -1;
}
clearEgl();
unlockSurface();
}
}
void QAndroidPlatformOpenGLWindow::createEgl(EGLConfig config)
{
clearEgl();
QJNIEnvironmentPrivate env;
m_nativeWindow = ANativeWindow_fromSurface(env, m_androidSurfaceObject.object());
m_androidSurfaceObject = QJNIObjectPrivate();
m_eglSurface = eglCreateWindowSurface(m_eglDisplay, config, m_nativeWindow, NULL);
m_format = q_glFormatFromConfig(m_eglDisplay, config, window()->requestedFormat());
if (m_eglSurface == EGL_NO_SURFACE) {
EGLint error = eglGetError();
eglTerminate(m_eglDisplay);
qFatal("EGL Error : Could not create the egl surface: error = 0x%x\n", error);
}
}
QSurfaceFormat QAndroidPlatformOpenGLWindow::format() const
{
if (m_nativeWindow == 0)
return window()->requestedFormat();
else
return m_format;
}
void QAndroidPlatformOpenGLWindow::clearEgl()
{
if (m_eglSurface != EGL_NO_SURFACE) {
eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(m_eglDisplay, m_eglSurface);
m_eglSurface = EGL_NO_SURFACE;
}
if (m_nativeWindow) {
ANativeWindow_release(m_nativeWindow);
m_nativeWindow = 0;
}
}
void QAndroidPlatformOpenGLWindow::surfaceChanged(JNIEnv *jniEnv, jobject surface, int w, int h)
{
Q_UNUSED(jniEnv);
Q_UNUSED(w);
Q_UNUSED(h);
lockSurface();
m_androidSurfaceObject = surface;
if (surface) // wait until we have a valid surface to draw into
m_surfaceWaitCondition.wakeOne();
unlockSurface();
if (surface) {
// repaint the window, when we have a valid surface
QRect availableGeometry = screen()->availableGeometry();
if (geometry().width() > 0 && geometry().height() > 0 && availableGeometry.width() > 0 && availableGeometry.height() > 0)
QWindowSystemInterface::handleExposeEvent(window(), QRegion(QRect(QPoint(), geometry().size())));
}
}
QT_END_NAMESPACE