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#ifndef __NV50_FENCE_H__
#define __NV50_FENCE_H__
#include "util/u_inlines.h"
#include "util/u_double_list.h"
#define NV50_FENCE_STATE_AVAILABLE 0
#define NV50_FENCE_STATE_EMITTED 1
#define NV50_FENCE_STATE_FLUSHED 2
#define NV50_FENCE_STATE_SIGNALLED 3
struct nv50_mm_allocation;
struct nv50_fence {
struct nv50_fence *next;
struct nv50_screen *screen;
int state;
int ref;
uint32_t sequence;
struct nv50_mm_allocation *buffers;
};
void nv50_fence_emit(struct nv50_fence *);
void nv50_fence_del(struct nv50_fence *);
boolean nv50_fence_wait(struct nv50_fence *);
boolean nv50_fence_signalled(struct nv50_fence *);
static INLINE void
nv50_fence_reference(struct nv50_fence **ref, struct nv50_fence *fence)
{
if (*ref) {
if (--(*ref)->ref == 0)
nv50_fence_del(*ref);
}
if (fence)
++fence->ref;
*ref = fence;
}
static INLINE struct nv50_fence *
nv50_fence(struct pipe_fence_handle *fence)
{
return (struct nv50_fence *)fence;
}
#endif // __NV50_FENCE_H__
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