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// Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qandroidplatformopenglcontext.h"
#include "qandroidplatformopenglwindow.h"
#include "qandroidplatformintegration.h"
#include "qandroidplatformoffscreensurface.h"
#include <QtGui/private/qeglpbuffer_p.h>
#include <QSurface>
#include <QtGui/private/qopenglcontext_p.h>
#include <QtGui/QOffscreenSurface>
QT_BEGIN_NAMESPACE
QAndroidPlatformOpenGLContext::QAndroidPlatformOpenGLContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display)
: QEGLPlatformContext(format, share, display, nullptr)
{
}
void QAndroidPlatformOpenGLContext::swapBuffers(QPlatformSurface *surface)
{
if (surface->surface()->surfaceClass() != QSurface::Window) {
QEGLPlatformContext::swapBuffers(surface);
return;
}
QAndroidPlatformOpenGLWindow *window = static_cast<QAndroidPlatformOpenGLWindow *>(surface);
// Since QEGLPlatformContext::makeCurrent() and QEGLPlatformContext::swapBuffers()
// will be using the eglSurface of the window, which wraps the Android Surface, we
// need to lock here to make sure we don't end up using a Surface already destroyed
// by Android
window->lockSurface();
if (window->checkNativeSurface(eglConfig())) {
// Call base class implementation directly since we are already locked
QEGLPlatformContext::makeCurrent(surface);
}
QEGLPlatformContext::swapBuffers(surface);
window->unlockSurface();
}
bool QAndroidPlatformOpenGLContext::makeCurrent(QPlatformSurface *surface)
{
if (surface->surface()->surfaceClass() != QSurface::Window)
return QEGLPlatformContext::makeCurrent(surface);
QAndroidPlatformOpenGLWindow *window = static_cast<QAndroidPlatformOpenGLWindow *>(surface);
window->lockSurface();
// Has the Surface been destroyed?
if (window->eglSurface(eglConfig()) == EGL_NO_SURFACE) {
qWarning() << "makeCurrent(): no EGLSurface, likely Surface destroyed by Android.";
window->unlockSurface();
return false;
}
const bool ok = QEGLPlatformContext::makeCurrent(surface);
window->unlockSurface();
return ok;
}
// Called from inside QEGLPlatformContext::swapBuffers() and QEGLPlatformContext::makeCurrent(),
// already locked
EGLSurface QAndroidPlatformOpenGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
if (surface->surface()->surfaceClass() == QSurface::Window) {
return static_cast<QAndroidPlatformOpenGLWindow *>(surface)->eglSurface(eglConfig());
} else {
if (auto *platformOffscreenSurface = dynamic_cast<QAndroidPlatformOffscreenSurface *>(surface))
return platformOffscreenSurface->surface();
else
return static_cast<QEGLPbuffer *>(surface)->pbuffer();
}
}
QT_END_NAMESPACE
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