os: remove gratuitous pipe_barrier placeholder code

There's already an implementation of pipe_barrier using
the other pipe_* primitives; just use that on Windows, too.

Now Windows passes pipe_barrier_test.

diff --git a/src/gallium/auxiliary/os/os_thread.h b/src/gallium/auxiliary/os/os_thread.h
index 036f6bafd5210b70bd08dbd550d38e41182ba5b7..a084310d4ff1bb17190a1136beaa51e70243568c 100644 (file)
--- a/src/gallium/auxiliary/os/os_thread.h
+++ b/src/gallium/auxiliary/os/os_thread.h
@@ -326,27 +326,7 @@ static INLINE void pipe_barrier_wait(pipe_barrier *barrier)
 }
 
 
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
-
-/* XXX FIX THIS */
-typedef unsigned pipe_barrier;
-
-static INLINE void pipe_barrier_init(pipe_barrier *barrier, unsigned count)
-{
-   /* XXX we could implement barriers with a mutex and condition var */
-}
-
-static INLINE void pipe_barrier_destroy(pipe_barrier *barrier)
-{
-}
-
-static INLINE void pipe_barrier_wait(pipe_barrier *barrier)
-{
-   assert(0);
-}
-
-
-#else
+#else /* If the OS doesn't have its own, implement barriers using a mutex and a condvar */
 
 typedef struct {
    unsigned count;