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Diffstat (limited to 'tests/manual/texture-sharing/cpp-client/main.cpp')
| -rw-r--r-- | tests/manual/texture-sharing/cpp-client/main.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/tests/manual/texture-sharing/cpp-client/main.cpp b/tests/manual/texture-sharing/cpp-client/main.cpp new file mode 100644 index 000000000..e3f6d7025 --- /dev/null +++ b/tests/manual/texture-sharing/cpp-client/main.cpp @@ -0,0 +1,229 @@ +/**************************************************************************** + ** + ** Copyright (C) 2019 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 "texturesharingextension.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 TextureSharingExtension; + connect(m_extension, SIGNAL(bufferReceived(QtWaylandClient::QWaylandServerBuffer*, const QString&)), this, SLOT(receiveBuffer(QtWaylandClient::QWaylandServerBuffer*, const QString&))); + connect(m_extension, &TextureSharingExtension::activeChanged, this, &TestWindow::handleExtensionActive); + } + +public slots: + void receiveBuffer(QtWaylandClient::QWaylandServerBuffer *buffer, const QString &key) + { + if (!buffer) { + qWarning() << "Could not find image with key" << key; + return; + } + m_buffers.insert(key, buffer); + update(); + } + + + void handleExtensionActive() + { + if (m_extension->isActive()) + getImage("qt_logo"); + } + +protected: + + void mousePressEvent(QMouseEvent *ev) override { + QRect rect(10, height() - 10 - 50, 50, 50); + bool rectPressed = rect.contains(ev->pos()); + + static int c; + + if (rectPressed && ev->button() == Qt::LeftButton) + getImage(QString("unreasonably large image %1").arg(c++)); + else if (ev->button() == Qt::RightButton) + getImage("guitar.jpg"); + else if (ev->button() == Qt::MiddleButton) + unloadImageAt(ev->pos()); + } + + void initializeGL() override + { + m_blitter = new QOpenGLTextureBlitter; + m_blitter->create(); + } + + void paintGL() override { + glClearColor(.5, .45, .42, 1.); + glClear(GL_COLOR_BUFFER_BIT); + + // draw a "button" to click in + glScissor(10,10,50,50); + glEnable(GL_SCISSOR_TEST); + glClearColor(0.4, 0.7, 0.9, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + glDisable(GL_SCISSOR_TEST); + + int x = 0; + qDebug() << "*** paintGL ***"; + showBuffers(); + for (auto buffer: qAsConst(m_buffers)) { + m_blitter->bind(); + QSize s(buffer->size()); + qDebug() << "painting" << buffer << s; + if (s.width() > 1024) { + qDebug() << "showing large buffer at reduced size"; + s = QSize(128,128); + } + QRectF targetRect(QPointF(x,0), s); + QOpenGLTexture *texture = buffer->toOpenGlTexture(); + if (!texture) { + qWarning("Null texture"); + continue; + } + 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: + void getImage(const QString &key) { + if (!m_buffers.contains(key)) + m_extension->requestImage(key); + } + + void showBuffers() const + { + auto end = m_buffers.cend(); + for (auto it = m_buffers.cbegin(); it != end; ++it) { + qDebug() << " " << it.key() << it.value(); + } + } + + void unloadImageAt(const QPoint &pos) { + int x = 0; + QtWaylandClient::QWaylandServerBuffer *foundBuffer = nullptr; + QString name; + auto end = m_buffers.cend(); + for (auto it = m_buffers.cbegin(); it != end; ++it) { + auto *buffer = it.value(); + QSize s(buffer->size()); + if (s.width() > 1024) + s = QSize(128,128); + QRectF targetRect(QPointF(x,0), s); + //qDebug() << " " << it.key() << it.value() << targetRect << pos; + + if (targetRect.contains(pos)) { + foundBuffer = buffer; + name = it.key(); + //qDebug() << "FOUND!!"; + break; + } + + x += s.width() + 10; + } + if (foundBuffer) { + qDebug() << "unloading image" << name << "found at" << pos; + unloadImage(name); + } else { + qDebug() << "no image at" << pos; + } + } + + void unloadImage(const QString &key) { + auto *buf = m_buffers.take(key); + if (buf) { + qDebug() << "unloadImage deleting" << buf; + delete buf; + m_extension->abandonImage(key); + } + update(); + } + + QOpenGLTextureBlitter *m_blitter = nullptr; + TextureSharingExtension *m_extension = nullptr; + QMap<QString, QtWaylandClient::QWaylandServerBuffer*> m_buffers; + +}; + +int main (int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + TestWindow window; + window.show(); + + return app.exec(); +} + +#include "main.moc" |