diff options
Diffstat (limited to 'src/imports/texture-sharing/sharedtextureprovider.cpp')
| -rw-r--r-- | src/imports/texture-sharing/sharedtextureprovider.cpp | 111 |
1 files changed, 25 insertions, 86 deletions
diff --git a/src/imports/texture-sharing/sharedtextureprovider.cpp b/src/imports/texture-sharing/sharedtextureprovider.cpp index 707e94ae6..ded29b44e 100644 --- a/src/imports/texture-sharing/sharedtextureprovider.cpp +++ b/src/imports/texture-sharing/sharedtextureprovider.cpp @@ -1,44 +1,8 @@ -/**************************************************************************** -** -** Copyright (C) 2019 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include "sharedtextureprovider.h" +// Copyright (C) 2019 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 "sharedtextureprovider_p.h" #include <QFile> #include <QDebug> @@ -49,58 +13,19 @@ #include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h> #include <QtGui/QGuiApplication> #include <QtGui/private/qguiapplication_p.h> +#include <QtQuick/private/qsgrhisupport_p.h> #include <QtGui/qpa/qplatformnativeinterface.h> #include <QtGui/QWindow> #include <QOpenGLTexture> #include <QImageReader> +#include <QtCore/qpointer.h> #include <QTimer> -#include "texturesharingextension.h" +#include "texturesharingextension_p.h" QT_BEGIN_NAMESPACE -SharedTexture::SharedTexture(QtWaylandClient::QWaylandServerBuffer *buffer) - : m_buffer(buffer), m_tex(nullptr) -{ -} - -int SharedTexture::textureId() const -{ - updateGLTexture(); - return m_tex ? m_tex->textureId() : 0; -} - -QSize SharedTexture::textureSize() const -{ - updateGLTexture(); - return m_tex ? QSize(m_tex->width(), m_tex->height()) : QSize(); -} - -bool SharedTexture::hasAlphaChannel() const -{ - return true; -} - -bool SharedTexture::hasMipmaps() const -{ - updateGLTexture(); - return m_tex ? (m_tex->mipLevels() > 1) : false; -} - -void SharedTexture::bind() -{ - updateGLTexture(); - if (m_tex) - m_tex->bind(); -} - -inline void SharedTexture::updateGLTexture() const -{ - if (!m_tex && m_buffer) - m_tex = m_buffer->toOpenGlTexture(); -} - class SharedTextureFactory : public QQuickTextureFactory { public: @@ -128,9 +53,16 @@ public: return m_buffer ? (m_buffer->size().width() * m_buffer->size().height() * 4) : 0; } - QSGTexture *createTexture(QQuickWindow *) const override + QSGTexture *createTexture(QQuickWindow *window) const override { - return new SharedTexture(const_cast<QtWaylandClient::QWaylandServerBuffer *>(m_buffer)); + if (m_buffer != nullptr) { + QOpenGLTexture *texture = const_cast<QtWaylandClient::QWaylandServerBuffer *>(m_buffer)->toOpenGlTexture(); + return QNativeInterface::QSGOpenGLTexture::fromNative(texture->textureId(), + window, + m_buffer->size(), + QQuickWindow::TextureHasAlphaChannel); + } + return nullptr; } private: @@ -184,6 +116,11 @@ void SharedTextureRegistry::handleExtensionActive() bool SharedTextureRegistry::preinitialize() { + if (QSGRhiSupport::instance()->rhiBackend() != QRhi::OpenGLES2) { + qWarning() << "The shared-texture extension is only supported on OpenGL. Use QQuickWindow::setSceneGraphBackend() to override the default."; + return false; + } + auto *serverBufferIntegration = QGuiApplicationPrivate::platformIntegration()->nativeInterface()->nativeResourceForIntegration("server_buffer_integration"); if (!serverBufferIntegration) { @@ -270,7 +207,7 @@ public: } -public slots: +public Q_SLOTS: void doResponse(const QString &key) { if (key != m_id) return; // not our buffer @@ -319,4 +256,6 @@ QQuickImageResponse *SharedTextureProvider::requestImageResponse(const QString & QT_END_NAMESPACE +#include "moc_sharedtextureprovider_p.cpp" + #include "sharedtextureprovider.moc" |