kwin/plugins/qpa/sharingplatformcontext.cpp
Vlad Zagorodniy c8280963e5 [plugins/qpa] Code tidying
Summary: This change cleans up includes, fixes coding style issues, etc.

Test Plan: Compiles.

Reviewers: #kwin, romangg

Reviewed By: #kwin, romangg

Subscribers: romangg, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D22151
2019-07-01 22:04:45 +03:00

124 lines
3.7 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "sharingplatformcontext.h"
#include "offscreensurface.h"
#include "window.h"
#include "../../platform.h"
#include "../../shell_client.h"
#include <logging.h>
#include <QOpenGLFramebufferObject>
#include <private/qopenglcontext_p.h>
namespace KWin
{
namespace QPA
{
SharingPlatformContext::SharingPlatformContext(QOpenGLContext *context)
: SharingPlatformContext(context, EGL_NO_SURFACE)
{
}
SharingPlatformContext::SharingPlatformContext(QOpenGLContext *context, const EGLSurface &surface, EGLConfig config)
: AbstractPlatformContext(context, kwinApp()->platform()->sceneEglDisplay(), config)
, m_surface(surface)
{
create();
}
bool SharingPlatformContext::makeCurrent(QPlatformSurface *surface)
{
EGLSurface eglSurface;
if (surface->surface()->surfaceClass() == QSurface::Window) {
eglSurface = m_surface;
} else {
eglSurface = static_cast<OffscreenSurface *>(surface)->nativeHandle();
}
const bool ok = eglMakeCurrent(eglDisplay(), eglSurface, eglSurface, eglContext());
if (!ok) {
qCWarning(KWIN_QPA, "eglMakeCurrent failed: %x", eglGetError());
return false;
}
if (surface->surface()->surfaceClass() == QSurface::Window) {
// QOpenGLContextPrivate::setCurrentContext will be called after this
// method returns, but that's too late, as we need a current context in
// order to bind the content framebuffer object.
QOpenGLContextPrivate::setCurrentContext(context());
Window *window = static_cast<Window *>(surface);
window->bindContentFBO();
}
return true;
}
bool SharingPlatformContext::isSharing() const
{
return false;
}
void SharingPlatformContext::swapBuffers(QPlatformSurface *surface)
{
if (surface->surface()->surfaceClass() == QSurface::Window) {
Window *window = static_cast<Window *>(surface);
auto c = window->shellClient();
if (!c) {
qCDebug(KWIN_QPA) << "SwapBuffers called but there is no ShellClient";
return;
}
context()->makeCurrent(surface->surface());
glFlush();
c->setInternalFramebufferObject(window->swapFBO());
window->bindContentFBO();
}
}
GLuint SharingPlatformContext::defaultFramebufferObject(QPlatformSurface *surface) const
{
if (Window *window = dynamic_cast<Window*>(surface)) {
const auto &fbo = window->contentFBO();
if (!fbo.isNull()) {
return fbo->handle();
}
qCDebug(KWIN_QPA) << "No default framebuffer object for internal window";
}
return 0;
}
void SharingPlatformContext::create()
{
if (config() == 0) {
qCWarning(KWIN_QPA) << "Did not get an EGL config";
return;
}
if (!bindApi()) {
qCWarning(KWIN_QPA) << "Could not bind API.";
return;
}
createContext(kwinApp()->platform()->sceneEglContext());
}
}
}