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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwaylandeglclientbufferintegration.h"
#include "qwaylandeglwindow.h"
#include "qwaylandglcontext.h"
#include <wayland-client.h>
#include <QtCore/QDebug>
#include <private/qeglconvenience_p.h>
#ifndef EGL_EXT_platform_base
typedef EGLDisplay (*PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform, void *native_display, const EGLint *attrib_list);
#endif
#ifndef EGL_PLATFORM_WAYLAND_KHR
#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
#endif
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
static const char *qwaylandegl_threadedgl_blacklist_vendor[] = {
0
};
QWaylandEglClientBufferIntegration::QWaylandEglClientBufferIntegration()
{
qDebug() << "Using Wayland-EGL";
}
QWaylandEglClientBufferIntegration::~QWaylandEglClientBufferIntegration()
{
eglTerminate(m_eglDisplay);
}
void QWaylandEglClientBufferIntegration::initialize(QWaylandDisplay *display)
{
if (q_hasEglExtension(EGL_NO_DISPLAY, "EGL_EXT_platform_base")) {
if (q_hasEglExtension(EGL_NO_DISPLAY, "EGL_KHR_platform_wayland") ||
q_hasEglExtension(EGL_NO_DISPLAY, "EGL_EXT_platform_wayland") ||
q_hasEglExtension(EGL_NO_DISPLAY, "EGL_MESA_platform_wayland")) {
static PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplay = nullptr;
if (!eglGetPlatformDisplay)
eglGetPlatformDisplay = (PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
m_eglDisplay = eglGetPlatformDisplay(EGL_PLATFORM_WAYLAND_KHR, display->wl_display(), nullptr);
} else {
qWarning("The EGL implementation does not support the Wayland platform");
return;
}
} else {
QByteArray eglPlatform = qgetenv("EGL_PLATFORM");
if (eglPlatform.isEmpty()) {
setenv("EGL_PLATFORM","wayland",true);
}
m_eglDisplay = eglGetDisplay((EGLNativeDisplayType) display->wl_display());
}
m_display = display;
if (m_eglDisplay == EGL_NO_DISPLAY) {
qWarning("EGL not available");
return;
}
EGLint major,minor;
if (!eglInitialize(m_eglDisplay, &major, &minor)) {
qWarning("failed to initialize EGL display");
m_eglDisplay = EGL_NO_DISPLAY;
return;
}
m_supportsThreading = true;
if (qEnvironmentVariableIsSet("QT_OPENGL_NO_SANITY_CHECK"))
return;
const char *vendor = eglQueryString(m_eglDisplay, EGL_VENDOR);
for (int i = 0; qwaylandegl_threadedgl_blacklist_vendor[i]; ++i) {
if (strstr(vendor, qwaylandegl_threadedgl_blacklist_vendor[i]) != 0) {
m_supportsThreading = false;
break;
}
}
}
bool QWaylandEglClientBufferIntegration::isValid() const
{
return m_eglDisplay != EGL_NO_DISPLAY;
}
bool QWaylandEglClientBufferIntegration::supportsThreadedOpenGL() const
{
return m_supportsThreading;
}
bool QWaylandEglClientBufferIntegration::supportsWindowDecoration() const
{
return true;
}
QWaylandWindow *QWaylandEglClientBufferIntegration::createEglWindow(QWindow *window)
{
return new QWaylandEglWindow(window);
}
QPlatformOpenGLContext *QWaylandEglClientBufferIntegration::createPlatformOpenGLContext(const QSurfaceFormat &glFormat, QPlatformOpenGLContext *share) const
{
return new QWaylandGLContext(m_eglDisplay, m_display, glFormat, share);
}
void *QWaylandEglClientBufferIntegration::nativeResource(NativeResource resource)
{
switch (resource) {
case EglDisplay:
return m_eglDisplay;
default:
break;
}
return nullptr;
}
void *QWaylandEglClientBufferIntegration::nativeResourceForContext(NativeResource resource, QPlatformOpenGLContext *context)
{
Q_ASSERT(context);
switch (resource) {
case EglConfig:
return static_cast<QWaylandGLContext *>(context)->eglConfig();
case EglContext:
return static_cast<QWaylandGLContext *>(context)->eglContext();
case EglDisplay:
return m_eglDisplay;
default:
break;
}
return nullptr;
}
EGLDisplay QWaylandEglClientBufferIntegration::eglDisplay() const
{
return m_eglDisplay;
}
}
QT_END_NAMESPACE
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