1/*
2 * Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
3
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *   * Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 *   * Redistributions in binary form must reproduce the above
10 *     copyright notice, this list of conditions and the following
11 *     disclaimer in the documentation and/or other materials provided
12 *     with the distribution.
13 *   * Neither the name of The Linux Foundation nor the names of its
14 *     contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef __GR_UTILS_H__
31#define __GR_UTILS_H__
32
33#include "gralloc_priv.h"
34
35#define SZ_2M 0x200000
36#define SZ_1M 0x100000
37#define SZ_4K 0x1000
38
39#define SIZE_4K 4096
40#define SIZE_8K 4096
41
42#define INT(exp) static_cast<int>(exp)
43#define UINT(exp) static_cast<unsigned int>(exp)
44
45namespace gralloc1 {
46
47template <class Type1, class Type2>
48inline Type1 ALIGN(Type1 x, Type2 align) {
49  return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1));
50}
51
52bool IsCompressedRGBFormat(int format);
53bool IsUncompressedRGBFormat(int format);
54uint32_t GetBppForUncompressedRGB(int format);
55bool CpuCanAccess(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
56bool CpuCanRead(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
57bool CpuCanWrite(gralloc1_producer_usage_t prod_usage);
58
59}  // namespace gralloc1
60
61#endif  // __GR_UTILS_H__
62