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39
40 #include "qxcbglxwindow.h"
41
42 #include "qxcbscreen.h"
43 #include <QtGlxSupport/private/qglxconvenience_p.h>
44 #include <QDebug>
45
46 QT_BEGIN_NAMESPACE
47
QXcbGlxWindow(QWindow * window)48 QXcbGlxWindow::QXcbGlxWindow(QWindow *window)
49 : QXcbWindow(window)
50 {
51 }
52
~QXcbGlxWindow()53 QXcbGlxWindow::~QXcbGlxWindow()
54 {
55 }
56
createVisual()57 const xcb_visualtype_t *QXcbGlxWindow::createVisual()
58 {
59 QXcbScreen *scr = xcbScreen();
60 if (!scr)
61 return nullptr;
62
63 qCDebug(lcQpaGl) << "Requested format before FBConfig/Visual selection:" << m_format;
64
65 Display *dpy = static_cast<Display *>(scr->connection()->xlib_display());
66 const char *glxExts = glXQueryExtensionsString(dpy, scr->screenNumber());
67 int flags = 0;
68 if (glxExts) {
69 qCDebug(lcQpaGl, "Available GLX extensions: %s", glxExts);
70 if (strstr(glxExts, "GLX_EXT_framebuffer_sRGB") || strstr(glxExts, "GLX_ARB_framebuffer_sRGB"))
71 flags |= QGLX_SUPPORTS_SRGB;
72 }
73
74 XVisualInfo *visualInfo = qglx_findVisualInfo(dpy, scr->screenNumber(), &m_format, GLX_WINDOW_BIT, flags);
75 if (!visualInfo) {
76 qWarning() << "No XVisualInfo for format" << m_format;
77 return nullptr;
78 }
79 const xcb_visualtype_t *xcb_visualtype = scr->visualForId(visualInfo->visualid);
80 XFree(visualInfo);
81
82 qCDebug(lcQpaGl) << "Got format:" << m_format;
83
84 return xcb_visualtype;
85 }
86
87 QT_END_NAMESPACE
88