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1 /*
2  * Copyright (c) 2016-2017, 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_BUF_DESCRIPTOR_H__
31 #define __GR_BUF_DESCRIPTOR_H__
32 
33 #include <hardware/gralloc1.h>
34 #include <atomic>
35 
36 namespace gralloc1 {
37 class BufferDescriptor {
38  public:
BufferDescriptor()39   BufferDescriptor() : id_(next_id_++) {}
40 
BufferDescriptor(int w,int h,int f)41   BufferDescriptor(int w, int h, int f)
42       : width_(w),
43         height_(h),
44         format_(f),
45         producer_usage_(GRALLOC1_PRODUCER_USAGE_NONE),
46         consumer_usage_(GRALLOC1_CONSUMER_USAGE_NONE),
47         id_(next_id_++) {}
48 
BufferDescriptor(int w,int h,int f,gralloc1_producer_usage_t prod_usage,gralloc1_consumer_usage_t cons_usage)49   BufferDescriptor(int w, int h, int f, gralloc1_producer_usage_t prod_usage,
50                    gralloc1_consumer_usage_t cons_usage)
51       : width_(w),
52         height_(h),
53         format_(f),
54         producer_usage_(prod_usage),
55         consumer_usage_(cons_usage),
56         id_(next_id_++) {}
57 
SetConsumerUsage(gralloc1_consumer_usage_t usage)58   void SetConsumerUsage(gralloc1_consumer_usage_t usage) { consumer_usage_ = usage; }
59 
SetProducerUsage(gralloc1_producer_usage_t usage)60   void SetProducerUsage(gralloc1_producer_usage_t usage) { producer_usage_ = usage; }
61 
SetDimensions(int w,int h)62   void SetDimensions(int w, int h) {
63     width_ = w;
64     height_ = h;
65   }
66 
SetColorFormat(int format)67   void SetColorFormat(int format) { format_ = format; }
68 
SetLayerCount(uint32_t layer_count)69   void SetLayerCount(uint32_t layer_count) { layer_count_ = layer_count; }
70 
GetConsumerUsage()71   gralloc1_consumer_usage_t GetConsumerUsage() const { return consumer_usage_; }
72 
GetProducerUsage()73   gralloc1_producer_usage_t GetProducerUsage() const { return producer_usage_; }
74 
GetWidth()75   int GetWidth() const { return width_; }
76 
GetHeight()77   int GetHeight() const { return height_; }
78 
GetFormat()79   int GetFormat() const { return format_; }
80 
GetLayerCount()81   uint32_t GetLayerCount() const { return layer_count_; }
82 
GetId()83   gralloc1_buffer_descriptor_t GetId() const { return id_; }
84 
85  private:
86   int width_ = -1;
87   int height_ = -1;
88   int format_ = -1;
89   uint32_t layer_count_ = 1;
90   gralloc1_producer_usage_t producer_usage_ = GRALLOC1_PRODUCER_USAGE_NONE;
91   gralloc1_consumer_usage_t consumer_usage_ = GRALLOC1_CONSUMER_USAGE_NONE;
92   const gralloc1_buffer_descriptor_t id_;
93   static std::atomic<gralloc1_buffer_descriptor_t> next_id_;
94 };
95 };  // namespace gralloc1
96 #endif  // __GR_BUF_DESCRIPTOR_H__
97