From 4538dd7ec4efcce5760f87dc1751b142b8f35479 Mon Sep 17 00:00:00 2001
From: Michal Klocek <michal.klocek@qt.io>
Date: Mon, 12 Nov 2018 13:17:40 +0100
Subject: Remove need for glXGetProcAddressARB

We do already require glXGetProcAddress in line 241.

Fixes: QTBUG-71488
Change-Id: Id0f3bc256a71097241b99d2dcba927c1165e980e
Reviewed-by: Gatis Paeglis <gatis.paeglis@qt.io>
---
 .../gl_integrations/xcb_glx/qglxintegration.cpp    | 43 +---------------------
 1 file changed, 1 insertion(+), 42 deletions(-)

(limited to 'src/plugins/platforms/xcb/gl_integrations')

diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
index 2ffb5d2629..ddb8f45188 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
@@ -38,9 +38,6 @@
 ****************************************************************************/
 
 #include <QDebug>
-#if QT_CONFIG(library)
-#include <QLibrary>
-#endif
 
 #include "qxcbwindow.h"
 #include "qxcbscreen.h"
@@ -61,10 +58,6 @@
 
 #include "qxcbglintegration.h"
 
-#if !defined(QT_STATIC) && QT_CONFIG(dlopen)
-#include <dlfcn.h>
-#endif
-
 QT_BEGIN_NAMESPACE
 
 typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
@@ -627,41 +620,7 @@ void QGLXContext::swapBuffers(QPlatformSurface *surface)
 
 QFunctionPointer QGLXContext::getProcAddress(const char *procName)
 {
-#ifdef QT_STATIC
-    return glXGetProcAddressARB(reinterpret_cast<const GLubyte *>(procName));
-#else
-    typedef void *(*qt_glXGetProcAddressARB)(const GLubyte *);
-    static qt_glXGetProcAddressARB glXGetProcAddressARB = 0;
-    static bool resolved = false;
-
-    if (resolved && !glXGetProcAddressARB)
-        return 0;
-    if (!glXGetProcAddressARB) {
-        QList<QByteArray> glxExt = QByteArray(glXGetClientString(m_display, GLX_EXTENSIONS)).split(' ');
-        if (glxExt.contains("GLX_ARB_get_proc_address")) {
-#if QT_CONFIG(dlopen)
-            void *handle = dlopen(NULL, RTLD_LAZY);
-            if (handle) {
-                glXGetProcAddressARB = (qt_glXGetProcAddressARB) dlsym(handle, "glXGetProcAddressARB");
-                dlclose(handle);
-            }
-            if (!glXGetProcAddressARB)
-#endif
-            {
-#if QT_CONFIG(library)
-                QLibrary lib(QLatin1String("GL"));
-                if (!lib.load())
-                    lib.setFileNameAndVersion(QLatin1String("GL"), 1);
-                glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
-#endif
-            }
-        }
-        resolved = true;
-    }
-    if (!glXGetProcAddressARB)
-        return 0;
-    return (void (*)())glXGetProcAddressARB(reinterpret_cast<const GLubyte *>(procName));
-#endif
+    return glXGetProcAddress(reinterpret_cast<const GLubyte *>(procName));
 }
 
 QSurfaceFormat QGLXContext::format() const
-- 
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