1/* 2 * Copyright 2019 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#ifndef GrBuffer_DEFINED 9#define GrBuffer_DEFINED 10 11#include "include/gpu/GrTypes.h" 12 13/** Base class for a GPU buffer object or a client side arrays. */ 14class GrBuffer { 15public: 16 GrBuffer(const GrBuffer&) = delete; 17 GrBuffer& operator=(const GrBuffer&) = delete; 18 19 virtual ~GrBuffer() = default; 20 21 // Our subclasses derive from different ref counting base classes. In order to use base 22 // class pointers with sk_sp we virtualize ref() and unref(). 23 virtual void ref() const = 0; 24 virtual void unref() const = 0; 25 26 /** Size of the buffer in bytes. */ 27 virtual size_t size() const = 0; 28 29 /** Is this an instance of GrCpuBuffer? Otherwise, an instance of GrGpuBuffer. */ 30 virtual bool isCpuBuffer() const = 0; 31 32protected: 33 GrBuffer() = default; 34}; 35 36#endif 37