115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "sharingplatformcontext.h"
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#include "integration.h"
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#include "window.h"
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#include "../../platform.h"
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#include "../../wayland_server.h"
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#include "../../shell_client.h"
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#include <logging.h>
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#include <QOpenGLFramebufferObject>
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#include <private/qopenglcontext_p.h>
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namespace KWin
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{
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namespace QPA
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{
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SharingPlatformContext::SharingPlatformContext(QOpenGLContext *context)
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: SharingPlatformContext(context, EGL_NO_SURFACE)
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{
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}
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SharingPlatformContext::SharingPlatformContext(QOpenGLContext *context, const EGLSurface &surface, EGLConfig config)
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: AbstractPlatformContext(context, kwinApp()->platform()->sceneEglDisplay(), config)
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, m_surface(surface)
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{
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create();
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}
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bool SharingPlatformContext::makeCurrent(QPlatformSurface *surface)
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{
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Window *window = static_cast<Window*>(surface);
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// QOpenGLContext::makeCurrent in Qt5.12 calls platfrom->setContext before setCurrentContext
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// but binding the content FBO looks up the format from the current context, so we need // to make sure sure Qt knows what the correct one is already
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QOpenGLContextPrivate::setCurrentContext(context());
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if (eglMakeCurrent(eglDisplay(), m_surface, m_surface, eglContext())) {
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window->bindContentFBO();
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return true;
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}
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qCWarning(KWIN_QPA) << "Failed to make context current";
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EGLint error = eglGetError();
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if (error != EGL_SUCCESS) {
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qCWarning(KWIN_QPA) << "EGL error code: " << error;
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}
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return false;
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}
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bool SharingPlatformContext::isSharing() const
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{
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return false;
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}
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void SharingPlatformContext::swapBuffers(QPlatformSurface *surface)
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{
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Window *window = static_cast<Window*>(surface);
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auto c = window->shellClient();
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if (!c) {
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qCDebug(KWIN_QPA) << "SwapBuffers called but there is no ShellClient";
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return;
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}
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context()->makeCurrent(surface->surface());
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glFlush();
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c->setInternalFramebufferObject(window->swapFBO());
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window->bindContentFBO();
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}
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GLuint SharingPlatformContext::defaultFramebufferObject(QPlatformSurface *surface) const
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{
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if (Window *window = dynamic_cast<Window*>(surface)) {
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const auto &fbo = window->contentFBO();
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if (!fbo.isNull()) {
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return fbo->handle();
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}
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}
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qCDebug(KWIN_QPA) << "No default framebuffer object for internal window";
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return 0;
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}
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void SharingPlatformContext::create()
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{
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if (config() == 0) {
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qCWarning(KWIN_QPA) << "Did not get an EGL config";
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return;
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}
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if (!bindApi()) {
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qCWarning(KWIN_QPA) << "Could not bind API.";
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return;
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}
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createContext(kwinApp()->platform()->sceneEglContext());
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}
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}
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}
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