From a7d42e11b4e97f19eaeb3b5ee811f04adb05b13d Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Mon, 16 Mar 2009 13:07:22 +0100 Subject: [PATCH] gallium: Implement atomic interface for windows user mode subsystem. --- src/gallium/include/pipe/p_atomic.h | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) diff --git a/src/gallium/include/pipe/p_atomic.h b/src/gallium/include/pipe/p_atomic.h index 773ae98..13866d2 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" -- 2.7.4