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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_ALLOCATOR_H__
     31 #define __GR_ALLOCATOR_H__
     32 
     33 #ifdef MASTER_SIDE_CP
     34 #define SECURE_ALIGN SZ_4K
     35 #else
     36 #define SECURE_ALIGN SZ_1M
     37 #endif
     38 
     39 #include "gralloc_priv.h"
     40 #include "gr_buf_descriptor.h"
     41 #include "gr_adreno_info.h"
     42 #include "gr_ion_alloc.h"
     43 
     44 namespace gralloc1 {
     45 
     46 class Allocator {
     47  public:
     48   Allocator();
     49   ~Allocator();
     50   bool Init();
     51   int AllocateBuffer(const BufferDescriptor &descriptor, private_handle_t **pHnd);
     52   int MapBuffer(void **base, unsigned int size, unsigned int offset, int fd);
     53   int FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd);
     54   int CleanBuffer(void *base, unsigned int size, unsigned int offset, int fd, int op);
     55   int AllocateMem(AllocData *data, gralloc1_producer_usage_t prod_usage,
     56                   gralloc1_consumer_usage_t cons_usage);
     57   bool IsMacroTileEnabled(int format, gralloc1_producer_usage_t prod_usage,
     58                           gralloc1_consumer_usage_t cons_usage);
     59   // @return : index of the descriptor with maximum buffer size req
     60   bool CheckForBufferSharing(uint32_t num_descriptors, const BufferDescriptor *descriptors,
     61                              int *max_index);
     62   int GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
     63                            gralloc1_consumer_usage_t cons_usage, int format);
     64   unsigned int GetSize(const BufferDescriptor &d, unsigned int alignedw, unsigned int alignedh);
     65   void GetBufferSizeAndDimensions(const BufferDescriptor &d, unsigned int *size,
     66                                   unsigned int *alignedw, unsigned int *alignedh);
     67   void GetBufferSizeAndDimensions(int width, int height, int format, unsigned int *size,
     68                                   unsigned int *alignedw, unsigned int *alignedh);
     69   void GetAlignedWidthAndHeight(const BufferDescriptor &d, unsigned int *aligned_w,
     70                                 unsigned int *aligned_h);
     71   void GetBufferAttributes(const BufferDescriptor &d, unsigned int *alignedw,
     72                            unsigned int *alignedh, int *tiled, unsigned int *size);
     73   int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr);
     74   int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data);
     75   bool UseUncached(gralloc1_producer_usage_t usage);
     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 
     81  private:
     82   void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w,
     83                                 unsigned int *aligned_h);
     84   void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp,
     85                          struct android_ycbcr *ycbcr);
     86   void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format,
     87                              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   void GetIonHeapInfo(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage,
     93                       unsigned int *ion_heap_id, unsigned int *alloc_type, unsigned int *ion_flags);
     94 
     95   bool gpu_support_macrotile = false;
     96   bool display_support_macrotile = false;
     97   IonAlloc *ion_allocator_ = NULL;
     98   AdrenoMemInfo *adreno_helper_ = NULL;
     99 };
    100 
    101 }  // namespace gralloc1
    102 
    103 #endif  // __GR_ALLOCATOR_H__
    104