#include "os/os_thread.h"
#include "pipe/p_state.h"
+#include "util/u_inlines.h"
struct pipe_screen;
struct lp_fence
{
struct pipe_reference reference;
+ unsigned id;
- pipe_mutex mutex;
- pipe_condvar signalled;
+ mtx_t mutex;
+ cnd_t signalled;
+ boolean issued;
unsigned rank;
unsigned count;
};
lp_fence_create(unsigned rank);
+void
+lp_fence_signal(struct lp_fence *fence);
+
+boolean
+lp_fence_signalled(struct lp_fence *fence);
+
+void
+lp_fence_wait(struct lp_fence *fence);
+
+boolean
+lp_fence_timedwait(struct lp_fence *fence, uint64_t timeout);
+
void
llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen);
+void
+lp_fence_destroy(struct lp_fence *fence);
+
+static inline void
+lp_fence_reference(struct lp_fence **ptr,
+ struct lp_fence *f)
+{
+ struct lp_fence *old = *ptr;
+
+ if (pipe_reference(&old->reference, &f->reference)) {
+ lp_fence_destroy(old);
+ }
+
+ *ptr = f;
+}
+
+static inline boolean
+lp_fence_issued(const struct lp_fence *fence)
+{
+ return fence->issued;
+}
+
+
#endif /* LP_FENCE_H */