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