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,
widthBufferInfo49 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>
ALIGN(Type1 x,Type2 align)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