1/*
2 * Copyright © 2020 Google, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef __NEEDS_TRACE_PRIV
25#  error "Do not use this header!"
26#endif
27
28#ifndef _U_TRACE_PRIV_H
29#define _U_TRACE_PRIV_H
30
31#include <stdio.h>
32
33#include "u_trace.h"
34
35/*
36 * Internal interface used by generated tracepoints
37 */
38
39/**
40 * Tracepoint descriptor.
41 */
42struct u_tracepoint {
43   unsigned payload_sz;
44   const char *name;
45   bool end_of_pipe;
46   void (*print)(FILE *out, const void *payload);
47   void (*print_json)(FILE *out, const void *payload);
48#ifdef HAVE_PERFETTO
49   /**
50    * Callback to emit a perfetto event, such as render-stage trace
51    */
52   void (*perfetto)(void *pctx, uint64_t ts_ns, const void *flush_data, const void *payload);
53#endif
54};
55
56/**
57 * Append a tracepoint, returning pointer that can be filled with trace
58 * payload.
59 */
60void * u_trace_append(struct u_trace *ut, void *cs, const struct u_tracepoint *tp);
61
62#endif  /* _U_TRACE_PRIV_H */
63