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Diffstat (limited to 'examples/wayland/minimal-cpp/compositor.cpp')
-rw-r--r-- | examples/wayland/minimal-cpp/compositor.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/examples/wayland/minimal-cpp/compositor.cpp b/examples/wayland/minimal-cpp/compositor.cpp new file mode 100644 index 000000000..ea685923b --- /dev/null +++ b/examples/wayland/minimal-cpp/compositor.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Wayland module +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 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 "compositor.h" +#include "window.h" + +#include <QtWaylandCompositor/qwaylandoutput.h> +#include <QOpenGLFunctions> + +GLuint View::getTexture() { + if (advance()) { + QOpenGLFunctions *functions = QOpenGLContext::currentContext()->functions(); + if (m_texture) + functions->glDeleteTextures(1, &m_texture); + + functions->glGenTextures(1, &m_texture); + functions->glBindTexture(GL_TEXTURE_2D, m_texture); + functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + currentBuffer().bindToTexture(); + } + return m_texture; +} + +bool View::isCursor() const +{ + return surface()->isCursorSurface(); +} + +Compositor::Compositor(Window *window) + : QWaylandCompositor() + , m_window(window) +{ +} + +Compositor::~Compositor() +{ +} + +void Compositor::create() +{ + new QWaylandOutput(this, m_window); + QWaylandCompositor::create(); + + connect(this, &QWaylandCompositor::surfaceCreated, this, &Compositor::onSurfaceCreated); +} + +void Compositor::onSurfaceCreated(QWaylandSurface *surface) +{ + connect(surface, &QWaylandSurface::surfaceDestroyed, this, &Compositor::onSurfaceDestroyed); + connect(surface, &QWaylandSurface::redraw, this, &Compositor::triggerRender); + View *view = new View; + view->setSurface(surface); + view->setOutput(outputFor(m_window)); + m_views << view; + connect(view, &QWaylandView::surfaceDestroyed, this, &Compositor::viewSurfaceDestroyed); +} + +void Compositor::onSurfaceDestroyed() +{ + triggerRender(); +} + +void Compositor::viewSurfaceDestroyed() +{ + View *view = qobject_cast<View*>(sender()); + m_views.removeAll(view); + delete view; +} + +void Compositor::triggerRender() +{ + m_window->requestUpdate(); +} + +void Compositor::startRender() +{ + QWaylandOutput *out = defaultOutput(); + if (out) + out->frameStarted(); +} + +void Compositor::endRender() +{ + QWaylandOutput *out = defaultOutput(); + if (out) + out->sendFrameCallbacks(); +} |