blob: 31bf39e4006d64f2d8c4bbad12059ab2335caec7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qxcbglxwindow.h"
#include "qxcbscreen.h"
#include <QtGui/private/qglxconvenience_p.h>
#include <QDebug>
QT_BEGIN_NAMESPACE
QXcbGlxWindow::QXcbGlxWindow(QWindow *window)
: QXcbWindow(window)
{
}
QXcbGlxWindow::~QXcbGlxWindow()
{
}
const xcb_visualtype_t *QXcbGlxWindow::createVisual()
{
QXcbScreen *scr = xcbScreen();
if (!scr)
return QXcbWindow::createVisual();
qCDebug(lcQpaGl) << "Requested format before FBConfig/Visual selection:" << m_format;
Display *dpy = static_cast<Display *>(scr->connection()->xlib_display());
const char *glxExts = glXQueryExtensionsString(dpy, scr->screenNumber());
int flags = 0;
if (glxExts) {
qCDebug(lcQpaGl, "Available GLX extensions: %s", glxExts);
if (strstr(glxExts, "GLX_EXT_framebuffer_sRGB") || strstr(glxExts, "GLX_ARB_framebuffer_sRGB"))
flags |= QGLX_SUPPORTS_SRGB;
}
const auto formatBackup = m_format;
XVisualInfo *visualInfo = qglx_findVisualInfo(dpy, scr->screenNumber(), &m_format, GLX_WINDOW_BIT, flags);
if (!visualInfo) {
qCDebug(lcQpaGl) << "No XVisualInfo for format" << m_format;
// restore initial format before requesting it again
m_format = formatBackup;
return QXcbWindow::createVisual();
}
const xcb_visualtype_t *xcb_visualtype = scr->visualForId(visualInfo->visualid);
XFree(visualInfo);
qCDebug(lcQpaGl) << "Got format:" << m_format;
return xcb_visualtype;
}
QT_END_NAMESPACE
|
