glx: turn LIBGL_DUMP_VISUALID into a boolean

Instead of setting based on set/unset, allow users to use boolean values.

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 44992f18cf0c489a006129ef38483171baa18807..29b94b8810ee441e696e470b2fde3baedf284da2 100644 (file)
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -1288,7 +1288,7 @@ glXChooseVisual(Display * dpy, int screen, int *attribList)
    }
 
 #ifdef GLX_USE_APPLEGL
-   if(visualList && getenv("LIBGL_DUMP_VISUALID")) {
+   if(visualList && env_var_as_boolean("LIBGL_DUMP_VISUALID", false)) {
       printf("visualid 0x%lx\n", visualList[0].visualid);
    }
 #endif