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      1 /*
      2  * Copyright (c) 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_BUF_DESCRIPTOR_H__
     31 #define __GR_BUF_DESCRIPTOR_H__
     32 
     33 #include <hardware/gralloc1.h>
     34 
     35 #define BUF_DESCRIPTOR(exp) reinterpret_cast<BufferDescriptor *>(exp)
     36 
     37 class BufferDescriptor {
     38  public:
     39   BufferDescriptor() {}
     40 
     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 
     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 
     56   bool IsValid() { return (magic == kMagic); }
     57 
     58   void SetConsumerUsage(gralloc1_consumer_usage_t usage) { consumer_usage_ = usage; }
     59 
     60   void SetProducerUsage(gralloc1_producer_usage_t usage) { producer_usage_ = usage; }
     61 
     62   void SetDimensions(int w, int h) {
     63     width_ = w;
     64     height_ = h;
     65   }
     66 
     67   void SetColorFormat(int format) { format_ = format; }
     68 
     69   gralloc1_consumer_usage_t GetConsumerUsage() const { return consumer_usage_; }
     70 
     71   gralloc1_producer_usage_t GetProducerUsage() const { return producer_usage_; }
     72 
     73   int GetWidth() const { return width_; }
     74 
     75   int GetHeight() const { return height_; }
     76 
     77   int GetFormat() const { return format_; }
     78 
     79  private:
     80   static const int kMagic = 'gr1d';
     81 
     82   int magic = kMagic;
     83   int width_ = -1;
     84   int height_ = -1;
     85   int format_ = -1;
     86   gralloc1_producer_usage_t producer_usage_ = GRALLOC1_PRODUCER_USAGE_NONE;
     87   gralloc1_consumer_usage_t consumer_usage_ = GRALLOC1_CONSUMER_USAGE_NONE;
     88 };
     89 
     90 #endif  // __GR_BUF_DESCRIPTOR_H__
     91