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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