diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/include/pipe/p_atomic.h | 83 |
1 files changed, 1 insertions, 82 deletions
diff --git a/src/gallium/include/pipe/p_atomic.h b/src/gallium/include/pipe/p_atomic.h index 0c3fbae428..d50526662f 100644 --- a/src/gallium/include/pipe/p_atomic.h +++ b/src/gallium/include/pipe/p_atomic.h @@ -35,7 +35,7 @@ extern "C" { #elif defined(PIPE_CC_GCC) #define PIPE_ATOMIC_GCC_INTRINSIC #else -#define PIPE_ATOMIC_MUTEX +#error "Unsupported platform" #endif @@ -259,87 +259,6 @@ p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new) -#if defined(PIPE_ATOMIC_MUTEX) - -#define PIPE_ATOMIC "mutex-based fallback" - -#include "pipe/p_thread.h" - -/** - * This implementation should really not be used. - * Add an assembly port instead. It may abort and - * doesn't destroy used mutexes. - */ - -struct pipe_atomic { - pipe_mutex mutex; - int32_t count; -}; - -static INLINE void -p_atomic_set(struct pipe_atomic *v, int32_t i) -{ - pipe_mutex_init(v->mutex); - pipe_mutex_lock(v->mutex); - v->count = i; - pipe_mutex_unlock(v->mutex); -} - -static INLINE int32_t -p_atomic_read(struct pipe_atomic *v) -{ - int32_t ret; - - pipe_mutex_lock(v->mutex); - ret = v->count; - pipe_mutex_unlock(v->mutex); - return ret; -} - -static INLINE void -p_atomic_inc(struct pipe_atomic *v) -{ - pipe_mutex_lock(v->mutex); - ++v->count; - pipe_mutex_unlock(v->mutex); -} - -static INLINE void -p_atomic_dec(struct pipe_atomic *v) -{ - pipe_mutex_lock(v->mutex); - --v->count; - pipe_mutex_unlock(v->mutex); -} - -static INLINE boolean -p_atomic_dec_zero(struct pipe_atomic *v) -{ - boolean ret; - - pipe_mutex_lock(v->mutex); - ret = (--v->count == 0); - pipe_mutex_unlock(v->mutex); - return ret; -} - -static INLINE int32_t -p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new) -{ - int32_t ret; - - pipe_mutex_lock(v->mutex); - ret = v->count; - if (ret == old) - v->count = _new; - pipe_mutex_unlock(v->mutex); - - return ret; -} - -#endif - - #ifndef PIPE_ATOMIC #error "No pipe_atomic implementation selected" #endif |