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Diffstat (limited to 'examples/wayland/server-buffer/client/main.cpp')
| -rw-r--r-- | examples/wayland/server-buffer/client/main.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/examples/wayland/server-buffer/client/main.cpp b/examples/wayland/server-buffer/client/main.cpp new file mode 100644 index 000000000..54c586ce6 --- /dev/null +++ b/examples/wayland/server-buffer/client/main.cpp @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 "serverbufferrenderer.h" + +#include <QtGui/QWindow> +#include <QtGui/QGuiApplication> +#include <QtGui/private/qguiapplication_p.h> +#include <QtGui/qpa/qplatformnativeinterface.h> +#include <QtGui/QOpenGLContext> +#include <QtGui/QOpenGLVertexArrayObject> +#include <QtGui/QOpenGLShaderProgram> +#include <QtGui/QOpenGLTexture> +#include <QtCore/QTimer> + +#include "qwayland-share-buffer.h" +#include <QtWaylandClient/private/qwayland-wayland.h> +#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h> +#include <QtWaylandClient/private/qwaylanddisplay_p.h> +#include <QtWaylandClient/private/qwaylandintegration_p.h> + + +class Window + : public QWindow + , public QtWayland::wl_registry + , public QtWayland::qt_share_buffer +{ + Q_OBJECT +public: + Window(QWindow *parent = 0) + : QWindow(parent) + , m_context(0) + { + setSurfaceType(QSurface::OpenGLSurface); + QSurfaceFormat sformat = format(); + sformat.setAlphaBufferSize(8); + sformat.setRedBufferSize(8); + sformat.setGreenBufferSize(8); + sformat.setBlueBufferSize(8); + setFormat(sformat); + create(); + + if (!QGuiApplication::platformNativeInterface() || !QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("wl_display")) { + qDebug() << "This application requires a wayland plugin"; + QCoreApplication::quit(); + return; + } + + QWaylandIntegration *wayland_integration = static_cast<QWaylandIntegration *>(QGuiApplicationPrivate::platformIntegration()); + + m_server_buffer_integration = wayland_integration->serverBufferIntegration(); + if (!m_server_buffer_integration) { + qDebug() << "This application requires a working serverBufferIntegration"; + QCoreApplication::quit(); + return; + } + + + QWaylandDisplay *wayland_display = wayland_integration->display(); + struct ::wl_registry *registry = wl_display_get_registry(wayland_display->wl_display()); + wl_proxy_set_queue(reinterpret_cast<struct wl_proxy *>(registry), wayland_display->wl_event_queue()); + QtWayland::wl_registry::init(registry); + } + +public slots: + void render() + { + if (m_server_buffer_list.isEmpty()) + return; + + if (!m_context) { + m_context = new QOpenGLContext(this); + m_context->setFormat(format()); + m_context->create(); + } + + m_context->makeCurrent(this); + QOpenGLFunctions *funcs = m_context->functions(); + funcs->glBindFramebuffer(GL_FRAMEBUFFER, m_context->defaultFramebufferObject()); + + glViewport(0, 0, width() * devicePixelRatio(), height() * devicePixelRatio()); + glClearColor(0.f, 0.f, 0.0f, 1.f); + glClear(GL_COLOR_BUFFER_BIT); + + qreal x = 0; + for (int i = 0; i < m_server_buffer_list.size(); i++) { + ServerBufferRenderer *renderer = static_cast<ServerBufferRenderer *>(m_server_buffer_list[i]->userData()); + if (!renderer) { + renderer = new ServerBufferRenderer(m_server_buffer_list.at(i)); + } + + const QSizeF buffer_size = m_server_buffer_list.at(i)->size(); + qreal scale_x = buffer_size.width() / width(); + qreal scale_y = buffer_size.height() / height() * - 1; + qreal translate_left = (((buffer_size.width() / 2) / width()) * 2) - 1; + qreal translate_top = -(((buffer_size.height() / 2) / height()) * 2) + 1; + qreal translate_x = translate_left + ((x / width())*2); + + QMatrix4x4 transform; + transform.translate(translate_x, translate_top); + transform.scale(scale_x, scale_y); + renderer->render(transform); + + x += buffer_size.width(); + } + + m_context->swapBuffers(this); + } + +protected: + void registry_global(uint32_t name, const QString &interface, uint32_t version) Q_DECL_OVERRIDE + { + Q_UNUSED(version); + if (interface == QStringLiteral("qt_share_buffer")) { + QtWayland::qt_share_buffer::init(QtWayland::wl_registry::object(), name, 1); + } + } + + void share_buffer_cross_buffer(struct ::qt_server_buffer *buffer) Q_DECL_OVERRIDE + { + QWaylandServerBuffer *serverBuffer = m_server_buffer_integration->serverBuffer(buffer); + if (m_server_buffer_list.isEmpty()) { + setWidth(serverBuffer->size().width()); + setHeight(serverBuffer->size().height()); + } else { + setWidth(width() + serverBuffer->size().width()); + setHeight(std::max(serverBuffer->size().height(), height())); + } + m_server_buffer_list.append(serverBuffer); + render(); + } + +private: + QWaylandServerBufferIntegration *m_server_buffer_integration; + QList<QWaylandServerBuffer *>m_server_buffer_list; + GLuint m_server_buffer_texture; + QOpenGLContext *m_context; + QOpenGLVertexArrayObject *m_vao; + GLuint m_vertexbuffer; + GLuint m_texture_coords; + QOpenGLShaderProgram *m_shader_program; + QOpenGLTexture *m_image_texture; +}; + +int main (int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + Window window; + window.show(); + return app.exec(); +} + +#include "main.moc" |