Use None instead of GLX_NONE

GLX_NONE is not 0, so it doesn't work as end-of-list marker
The documentation explicitly mentions to use None or NULL

Fixes valgrind warning

==22686== Conditional jump or move depends on uninitialised value(s)
==22686==    at 0x78949AF: glXCreatePbuffer (glx_pbuffer.c:709)
==22686==    by 0xDD7F0E1: QGLXPbuffer::QGLXPbuffer(QOffscreenSurface*) (qglxintegration.cpp:515)
==22686==    by 0xDD624B0: QXcbIntegration::createPlatformOffscreenSurface(QOffscreenSurface*) const (qxcbintegration.cpp:259)
==22686==    by 0x4F1D6A2: QOffscreenSurface::create() (in /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5.2.1)
==22686==    by 0xDD80248: QGLXContext::queryDummyContext() (qglxintegration.cpp:454)
==22686==    by 0xDD803F0: QGLXContext::supportsThreading() (qglxintegration.cpp:488)
==22686==    by 0x5BD9927: QSGRenderLoop::instance() (in /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5.2.1)
==22686==    by 0x5BF969E: QQuickWindowPrivate::init(QQuickWindow*) (in /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5.2.1)
==22686==    by 0x5C97BFC: QQuickView::QQuickView(QWindow*) (in /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5.2.1)
==22686==    by 0x40636F: startShell(int, char const**, void*) (main.cpp:91)
==22686==    by 0x407125: main (main.cpp:193)

Change-Id: Ib4f5ae50f7e31d3fbeb5acf67753e1d8b9e434b0
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
This commit is contained in:
Albert Astals Cid 2014-03-05 13:57:36 +01:00 committed by The Qt Project
parent bc361899f2
commit af113cfc0f

View File

@ -537,7 +537,7 @@ QGLXPbuffer::QGLXPbuffer(QOffscreenSurface *offscreenSurface)
GLX_PBUFFER_HEIGHT, offscreenSurface->size().height(), GLX_PBUFFER_HEIGHT, offscreenSurface->size().height(),
GLX_LARGEST_PBUFFER, False, GLX_LARGEST_PBUFFER, False,
GLX_PRESERVED_CONTENTS, False, GLX_PRESERVED_CONTENTS, False,
GLX_NONE None
}; };
m_pbuffer = glXCreatePbuffer(DISPLAY_FROM_XCB(m_screen), config, attributes); m_pbuffer = glXCreatePbuffer(DISPLAY_FROM_XCB(m_screen), config, attributes);