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#ifndef __NOUVEAU_FENCE_H__
#define __NOUVEAU_FENCE_H__
#include "util/u_inlines.h"
#include "util/list.h"
#define NOUVEAU_FENCE_STATE_AVAILABLE 0
#define NOUVEAU_FENCE_STATE_EMITTING 1
#define NOUVEAU_FENCE_STATE_EMITTED 2
#define NOUVEAU_FENCE_STATE_FLUSHED 3
#define NOUVEAU_FENCE_STATE_SIGNALLED 4
struct nouveau_fence_work {
struct list_head list;
void (*func)(void *);
void *data;
};
struct nouveau_fence {
struct nouveau_fence *next;
struct nouveau_screen *screen;
int state;
int ref;
uint32_t sequence;
struct list_head work;
};
void nouveau_fence_emit(struct nouveau_fence *);
void nouveau_fence_del(struct nouveau_fence *);
bool nouveau_fence_new(struct nouveau_screen *, struct nouveau_fence **,
bool emit);
bool nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *);
void nouveau_fence_update(struct nouveau_screen *, bool flushed);
void nouveau_fence_next(struct nouveau_screen *);
bool nouveau_fence_wait(struct nouveau_fence *);
bool nouveau_fence_signalled(struct nouveau_fence *);
void nouveau_fence_unref_bo(void *data); /* generic unref bo callback */
static inline void
nouveau_fence_ref(struct nouveau_fence *fence, struct nouveau_fence **ref)
{
if (fence)
++fence->ref;
if (*ref) {
if (--(*ref)->ref == 0)
nouveau_fence_del(*ref);
}
*ref = fence;
}
static inline struct nouveau_fence *
nouveau_fence(struct pipe_fence_handle *fence)
{
return (struct nouveau_fence *)fence;
}
#endif // __NOUVEAU_FENCE_H__
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