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Diffstat (limited to 'examples/wayland/server-buffer/cpp-client/main.cpp')
-rw-r--r-- | examples/wayland/server-buffer/cpp-client/main.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/examples/wayland/server-buffer/cpp-client/main.cpp b/examples/wayland/server-buffer/cpp-client/main.cpp new file mode 100644 index 000000000..b0b3712b9 --- /dev/null +++ b/examples/wayland/server-buffer/cpp-client/main.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** + ** + ** Copyright (C) 2017 The Qt Company Ltd. + ** Contact: https://www.qt.io/licensing/ + ** + ** This file is part of the examples of the Qt Wayland module + ** + ** $QT_BEGIN_LICENSE:BSD$ + ** 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. + ** + ** BSD License Usage + ** Alternatively, you may use this file under the terms of the BSD license + ** as follows: + ** + ** "Redistribution and use in source and binary forms, with or without + ** modification, are permitted provided that the following conditions are + ** met: + ** * Redistributions of source code must retain the above copyright + ** notice, this list of conditions and the following disclaimer. + ** * Redistributions in binary form must reproduce the above copyright + ** notice, this list of conditions and the following disclaimer in + ** the documentation and/or other materials provided with the + ** distribution. + ** * Neither the name of The Qt Company Ltd nor the names of its + ** contributors may be used to endorse or promote products derived + ** from this software without specific prior written permission. + ** + ** + ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." + ** + ** $QT_END_LICENSE$ + ** + ****************************************************************************/ + +#include <QGuiApplication> +#include <QtGui/private/qguiapplication_p.h> +#include <QOpenGLWindow> +#include <QOpenGLTexture> +#include <QOpenGLTextureBlitter> +#include <QPainter> +#include <QMouseEvent> +#include <QPlatformSurfaceEvent> + +#include <QtWaylandClient/private/qwaylanddisplay_p.h> +#include <QtWaylandClient/private/qwaylandintegration_p.h> +#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h> +#include "sharebufferextension.h" + +#include <QDebug> +#include <QtGui/qpa/qplatformnativeinterface.h> +#include <QTimer> +#include <QMap> + +class TestWindow : public QOpenGLWindow +{ + Q_OBJECT + +public: + TestWindow() + : m_extension(nullptr) + { + m_extension = new ShareBufferExtension; + connect(m_extension, SIGNAL(bufferReceived(QtWaylandClient::QWaylandServerBuffer*)), this, SLOT(receiveBuffer(QtWaylandClient::QWaylandServerBuffer*))); + } + +public slots: + void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer) + { + m_buffers.append(buffer); + update(); + } + +protected: + + void initializeGL() override + { + m_blitter = new QOpenGLTextureBlitter; + m_blitter->create(); + } + + void paintGL() override { + glClearColor(.5, .45, .42, 1.); + glClear(GL_COLOR_BUFFER_BIT); + int x = 0; + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + for (auto buffer: m_buffers) { + m_blitter->bind(); + QPointF pos(x,0); + QSize s(buffer->size()); + QRectF targetRect(pos, s); + QOpenGLTexture *texture = buffer->toOpenGlTexture(); + auto surfaceOrigin = QOpenGLTextureBlitter::OriginTopLeft; + QMatrix4x4 targetTransform = QOpenGLTextureBlitter::targetTransform(targetRect, QRect(QPoint(), size())); + m_blitter->blit(texture->textureId(), targetTransform, surfaceOrigin); + m_blitter->release(); + x += s.width() + 10; + } + } + +private: + + QOpenGLTextureBlitter *m_blitter; + ShareBufferExtension *m_extension; + QList<QtWaylandClient::QWaylandServerBuffer*> m_buffers; + +}; + +int main (int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + TestWindow window; + window.show(); + + return app.exec(); +} + +#include "main.moc" |