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 pending;
  37
  38    unsigned id; /* Just for reference */
  39 };
  40
  41
  42 static inline struct swr_fence *
  43 swr_fence(struct pipe_fence_handle *fence)
  44 {
  45    return (struct swr_fence *)fence;
  46 }
  47
  48
  49 static INLINE boolean
  50 swr_is_fence_done(struct pipe_fence_handle *fence_handle)
  51 {
  52    struct swr_fence *fence = swr_fence(fence_handle);
  53    return (fence->read == fence->write);
  54 }
  55
  56 static INLINE boolean
  57 swr_is_fence_pending(struct pipe_fence_handle *fence_handle)
  58 {
  59    return swr_fence(fence_handle)->pending;
  60 }
  61
  62
  63 void swr_fence_init(struct pipe_screen *screen);
  64
  65 struct pipe_fence_handle *swr_fence_create();
  66
  67 void swr_fence_reference(struct pipe_screen *screen,
  68                          struct pipe_fence_handle **ptr,
  69                          struct pipe_fence_handle *f);
  70
  71 boolean swr_fence_finish(struct pipe_screen *screen,
  72                          struct pipe_context *ctx,
  73                          struct pipe_fence_handle *fence_handle,
  74                          uint64_t timeout);
  75
  76 void
  77 swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence);
  78
  79 uint64_t swr_get_timestamp(struct pipe_screen *screen);
  80
  81 #endif