gallium: Implement atomic interface for windows user mode subsystem.

This commit is contained in:
Michal Krol
2009-03-16 13:07:22 +01:00
parent 102cb5c9cd
commit a7d42e11b4

View File

@@ -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"