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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#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 = 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 = nullptr;
ShareBufferExtension *m_extension = nullptr;
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"
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