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 45 namespace gralloc1 { 46 47 struct BufferInfo { 48 BufferInfo(int w, int h, int f, gralloc1_producer_usage_t prod = GRALLOC1_PRODUCER_USAGE_NONE, 49 gralloc1_consumer_usage_t cons = GRALLOC1_CONSUMER_USAGE_NONE) : width(w), height(h), 50 format(f), prod_usage(prod), cons_usage(cons) {} 51 int width; 52 int height; 53 int format; 54 gralloc1_producer_usage_t prod_usage; 55 gralloc1_consumer_usage_t cons_usage; 56 }; 57 58 template <class Type1, class Type2> 59 inline Type1 ALIGN(Type1 x, Type2 align) { 60 return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1)); 61 } 62 63 bool IsCompressedRGBFormat(int format); 64 bool IsUncompressedRGBFormat(int format); 65 uint32_t GetBppForUncompressedRGB(int format); 66 bool CpuCanAccess(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage); 67 bool CpuCanRead(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage); 68 bool CpuCanWrite(gralloc1_producer_usage_t prod_usage); 69 unsigned int GetSize(const BufferInfo &d, unsigned int alignedw, unsigned int alignedh); 70 void GetBufferSizeAndDimensions(const BufferInfo &d, unsigned int *size, 71 unsigned int *alignedw, unsigned int *alignedh); 72 void GetAlignedWidthAndHeight(const BufferInfo &d, unsigned int *aligned_w, 73 unsigned int *aligned_h); 74 int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr); 75 int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data); 76 bool IsUBwcFormat(int format); 77 bool IsUBwcSupported(int format); 78 bool IsUBwcEnabled(int format, gralloc1_producer_usage_t prod_usage, 79 gralloc1_consumer_usage_t cons_usage); 80 void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w, 81 unsigned int *aligned_h); 82 void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp, 83 struct android_ycbcr *ycbcr); 84 void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format, 85 struct android_ycbcr *ycbcr); 86 void GetYuvUbwcInterlacedSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, 87 int color_format, struct android_ycbcr *ycbcr); 88 void GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height); 89 unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp); 90 unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw, 91 unsigned int alignedh); 92 int GetBufferLayout(private_handle_t *hnd, uint32_t stride[4], 93 uint32_t offset[4], uint32_t *num_planes); 94 } // namespace gralloc1 95 96 #endif // __GR_UTILS_H__ 97