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authorMichal Krol <michal@vmware.com>2009-03-16 13:07:22 +0100
committerMichal Krol <michal@vmware.com>2009-03-16 13:15:50 +0100
commita7d42e11b4e97f19eaeb3b5ee811f04adb05b13d (patch)
tree01f6711dc77431dbf3242e077b19f26c07a051ad /src
parent102cb5c9cd5ce12fc43828e44e7baf390d4c351d (diff)
gallium: Implement atomic interface for windows user mode subsystem.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/include/pipe/p_atomic.h36
1 files changed, 35 insertions, 1 deletions
diff --git a/src/gallium/include/pipe/p_atomic.h b/src/gallium/include/pipe/p_atomic.h
index 773ae98343..13866d220e 100644
--- a/src/gallium/include/pipe/p_atomic.h
+++ b/src/gallium/include/pipe/p_atomic.h
@@ -66,7 +66,41 @@ p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t new)
return __sync_val_compare_and_swap(&v->count, old, new);
}
-#else /* (defined(PIPE_CC_GCC)) */
+#elif (defined(PIPE_SUBSYSTEM_WINDOWS_USER)) /* (defined(PIPE_CC_GCC)) */
+
+struct pipe_atomic
+{
+ long count;
+};
+
+#define p_atomic_set(_v, _i) ((_v)->count = (_i))
+#define p_atomic_read(_v) ((_v)->count)
+
+static INLINE boolean
+p_atomic_dec_zero(struct pipe_atomic *v)
+{
+ return InterlockedDecrement(&v->count);
+}
+
+static INLINE void
+p_atomic_inc(struct pipe_atomic *v)
+{
+ InterlockedIncrement(&v->count);
+}
+
+static INLINE void
+p_atomic_dec(struct pipe_atomic *v)
+{
+ InterlockedDecrement(&v->count);
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t new)
+{
+ return InterlockedCompareExchange(&v->count, new, old);
+}
+
+#else /* (defined(PIPE_SUBSYSTEM_WINDOWS_USER)) */
#include "pipe/p_thread.h"