src/gallium/drivers/swr/swr_fence.h

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   2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
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   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
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  21
  22 #ifndef SWR_FENCE_H
  23 #define SWR_FENCE_H
  24
  25 #include "pipe/p_state.h"
  26 #include "util/u_inlines.h"
  27
  28 struct pipe_screen;
  29
  30 struct swr_fence {
  31    struct pipe_reference reference;
  32
  33    uint64_t read;
  34    uint64_t write;
  35
  36    unsigned id; /* Just for reference */
  37 };
  38
  39
  40 static inline struct swr_fence *
  41 swr_fence(struct pipe_fence_handle *fence)
  42 {
  43    return (struct swr_fence *)fence;
  44 }
  45
  46 static INLINE boolean
  47 swr_is_fence_done(struct swr_fence *fence)
  48 {
  49    return (fence->read == fence->write);
  50 }
  51
  52
  53 void swr_fence_init(struct pipe_screen *screen);
  54
  55 struct pipe_fence_handle *swr_fence_create();
  56
  57 void swr_fence_reference(struct pipe_screen *screen,
  58                          struct pipe_fence_handle **ptr,
  59                          struct pipe_fence_handle *f);
  60
  61 boolean swr_fence_finish(struct pipe_screen *screen,
  62                          struct pipe_fence_handle *fence_handle,
  63                          uint64_t timeout);
  64
  65 void
  66 swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence);
  67
  68 uint64_t swr_get_timestamp(struct pipe_screen *screen);
  69
  70 #endif