1/*
2 * Copyright © Microsoft Corporation
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#ifndef DXIL_BUFFER_H
25#define DXIL_BUFFER_H
26
27#include "util/blob.h"
28
29struct dxil_buffer {
30   struct blob blob;
31   uint64_t buf;
32   unsigned buf_bits;
33
34   unsigned abbrev_width;
35};
36
37void
38dxil_buffer_init(struct dxil_buffer *b, unsigned abbrev_width);
39
40void
41dxil_buffer_finish(struct dxil_buffer *b);
42
43bool
44dxil_buffer_emit_bits(struct dxil_buffer *b, uint32_t data, unsigned width);
45
46bool
47dxil_buffer_emit_vbr_bits(struct dxil_buffer *b, uint64_t data,
48                          unsigned width);
49
50bool
51dxil_buffer_align(struct dxil_buffer *b);
52
53static inline bool
54dxil_buffer_emit_abbrev_id(struct dxil_buffer *b, uint32_t id)
55{
56   return dxil_buffer_emit_bits(b, id, b->abbrev_width);
57}
58
59
60#endif
61