113 lines
4.5 KiB
C++
113 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/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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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt 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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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qandroidplatformopenglcontext.h"
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#include "qandroidplatformopenglwindow.h"
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#include "qandroidplatformintegration.h"
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#include <QtPlatformSupport/private/qeglpbuffer_p.h>
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#include <QSurface>
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#include <QtGui/private/qopenglcontext_p.h>
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QT_BEGIN_NAMESPACE
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QAndroidPlatformOpenGLContext::QAndroidPlatformOpenGLContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display)
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:QEGLPlatformContext(format, share, display)
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{
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}
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void QAndroidPlatformOpenGLContext::swapBuffers(QPlatformSurface *surface)
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{
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if (surface->surface()->surfaceClass() == QSurface::Window &&
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static_cast<QAndroidPlatformOpenGLWindow *>(surface)->checkNativeSurface(eglConfig())) {
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QEGLPlatformContext::makeCurrent(surface);
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}
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QEGLPlatformContext::swapBuffers(surface);
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}
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bool QAndroidPlatformOpenGLContext::needsFBOReadBackWorkaround()
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{
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static bool set = false;
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static bool needsWorkaround = false;
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if (!set) {
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QByteArray env = qgetenv("QT_ANDROID_DISABLE_GLYPH_CACHE_WORKAROUND");
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needsWorkaround = env.isEmpty() || env == "0" || env == "false";
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if (!needsWorkaround) {
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const char *rendererString = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
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needsWorkaround =
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qstrncmp(rendererString, "Mali-4xx", 6) == 0 // Mali-400, Mali-450
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|| qstrncmp(rendererString, "Adreno (TM) 2xx", 13) == 0 // Adreno 200, 203, 205
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|| qstrncmp(rendererString, "Adreno 2xx", 8) == 0 // Same as above but without the '(TM)'
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|| qstrncmp(rendererString, "Adreno (TM) 30x", 14) == 0 // Adreno 302, 305
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|| qstrncmp(rendererString, "Adreno 30x", 9) == 0 // Same as above but without the '(TM)'
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|| qstrcmp(rendererString, "GC800 core") == 0
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|| qstrcmp(rendererString, "GC1000 core") == 0
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|| qstrcmp(rendererString, "Immersion.16") == 0;
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}
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set = true;
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}
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return needsWorkaround;
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}
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bool QAndroidPlatformOpenGLContext::makeCurrent(QPlatformSurface *surface)
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{
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bool ret = QEGLPlatformContext::makeCurrent(surface);
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QOpenGLContextPrivate *ctx_d = QOpenGLContextPrivate::get(context());
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const char *rendererString = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
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if (rendererString != 0 && qstrncmp(rendererString, "Android Emulator", 16) == 0)
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ctx_d->workaround_missingPrecisionQualifiers = true;
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if (!ctx_d->workaround_brokenFBOReadBack && needsFBOReadBackWorkaround())
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ctx_d->workaround_brokenFBOReadBack = true;
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return ret;
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}
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EGLSurface QAndroidPlatformOpenGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
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{
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if (surface->surface()->surfaceClass() == QSurface::Window)
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return static_cast<QAndroidPlatformOpenGLWindow *>(surface)->eglSurface(eglConfig());
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else
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return static_cast<QEGLPbuffer *>(surface)->pbuffer();
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}
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QT_END_NAMESPACE
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