1 2 #ifndef __NOUVEAU_FENCE_H__ 3 #define __NOUVEAU_FENCE_H__ 4 5 #include "util/u_inlines.h" 6 #include "util/list.h" 7 8 #define NOUVEAU_FENCE_STATE_AVAILABLE 0 9 #define NOUVEAU_FENCE_STATE_EMITTING 1 10 #define NOUVEAU_FENCE_STATE_EMITTED 2 11 #define NOUVEAU_FENCE_STATE_FLUSHED 3 12 #define NOUVEAU_FENCE_STATE_SIGNALLED 4 13 14 struct pipe_debug_callback; 15 16 struct nouveau_fence_work { 17 struct list_head list; 18 void (*func)(void *); 19 void *data; 20 }; 21 22 struct nouveau_fence { 23 struct nouveau_fence *next; 24 struct nouveau_screen *screen; 25 int state; 26 int ref; 27 uint32_t sequence; 28 uint32_t work_count; 29 struct list_head work; 30 }; 31 32 void nouveau_fence_emit(struct nouveau_fence *); 33 void nouveau_fence_del(struct nouveau_fence *); 34 35 bool nouveau_fence_new(struct nouveau_screen *, struct nouveau_fence **); 36 bool nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *); 37 void nouveau_fence_update(struct nouveau_screen *, bool flushed); 38 void nouveau_fence_next(struct nouveau_screen *); 39 bool nouveau_fence_wait(struct nouveau_fence *, struct pipe_debug_callback *); 40 bool nouveau_fence_signalled(struct nouveau_fence *); 41 42 void nouveau_fence_unref_bo(void *data); /* generic unref bo callback */ 43 44 45 static inline void 46 nouveau_fence_ref(struct nouveau_fence *fence, struct nouveau_fence **ref) 47 { 48 if (fence) 49 ++fence->ref; 50 51 if (*ref) { 52 if (--(*ref)->ref == 0) 53 nouveau_fence_del(*ref); 54 } 55 56 *ref = fence; 57 } 58 59 static inline struct nouveau_fence * 60 nouveau_fence(struct pipe_fence_handle *fence) 61 { 62 return (struct nouveau_fence *)fence; 63 } 64 65 #endif // __NOUVEAU_FENCE_H__ 66
