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-rw-r--r--src/glx/x11/glxext.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 2a1fcf2b84..4b78ca85c6 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -1033,6 +1033,8 @@ createConfigsFromProperties(Display *dpy, int nvisuals, int nprops,
m = modes;
for (i = 0; i < nvisuals; i++) {
_XRead(dpy, (char *)props, prop_size);
+ /* Older X servers don't send this so we default it here. */
+ m->drawableType = GLX_WINDOW_BIT;
__glXInitializeVisualConfigFromTags(m, nprops, props,
tagged_only, GL_TRUE);
m->screen = screen;