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| ** Copyright (C) 2017 The Qt Company Ltd. |
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| ** This file is part of the examples of the Qt Wayland module |
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| |
| #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" |