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      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