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