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review.blissroms.org / platform_hardware_qcom_display-sm8150-caf / c41a1a9fea36b51aac82ed738ffdd5534cf7e194 / . / libgralloc1 / gr_allocator.h
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Prabhanjan Kandula96e92342016-03-24 21:03:35 +0530[diff] [blame]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
44namespace gralloc1 {
45
46class 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__