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 #define SZ_8K 0x2000
39
40 #define SIZE_4K 4096
41 #define SIZE_8K 4096
42
43 #define INT(exp) static_cast<int>(exp)
44 #define UINT(exp) static_cast<unsigned int>(exp)
45
46 namespace gralloc1 {
47
48 template <class Type1, class Type2>
ALIGN(Type1 x,Type2 align)49 inline Type1 ALIGN(Type1 x, Type2 align) {
50 return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1));
51 }
52
53 bool IsCompressedRGBFormat(int format);
54 bool IsUncompressedRGBFormat(int format);
55 uint32_t GetBppForUncompressedRGB(int format);
56 bool CpuCanAccess(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
57 bool CpuCanRead(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
58 bool CpuCanWrite(gralloc1_producer_usage_t prod_usage);
59
60 } // namespace gralloc1
61
62 #endif // __GR_UTILS_H__
63