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nixpkgs/pkgs/development/libraries/qt-5/5.7/qtbase/dlopen-gl.patch
2016-07-29 17:46:13 -05:00

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Index: qtbase-opensource-src-5.5.1/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
===================================================================
--- qtbase-opensource-src-5.5.1.orig/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+++ qtbase-opensource-src-5.5.1/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
@@ -563,7 +563,12 @@ void (*QGLXContext::getProcAddress(const
{
extern const QString qt_gl_library_name();
// QLibrary lib(qt_gl_library_name());
+ // Check system library paths first
QLibrary lib(QLatin1String("GL"));
+ if (!lib.load()) {
+ // Fallback to Mesa driver
+ lib.setFileName(QLatin1String("@mesa_lib@/lib/libGL"));
+ }
glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
}
}