1 /* 2 * Copyright 2017 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef CROS_GRALLOC_BUFFER_H 8 #define CROS_GRALLOC_BUFFER_H 9 10 #include "../drv.h" 11 #include "cros_gralloc_helpers.h" 12 13 class cros_gralloc_buffer 14 { 15 public: 16 cros_gralloc_buffer(uint32_t id, struct bo *acquire_bo, 17 struct cros_gralloc_handle *acquire_handle); 18 ~cros_gralloc_buffer(); 19 20 uint32_t get_id() const; 21 22 /* The new reference count is returned by both these functions. */ 23 int32_t increase_refcount(); 24 int32_t decrease_refcount(); 25 26 int32_t lock(const struct rectangle *rect, uint32_t map_flags, 27 uint8_t *addr[DRV_MAX_PLANES]); 28 int32_t unlock(); 29 30 private: 31 cros_gralloc_buffer(cros_gralloc_buffer const &); 32 cros_gralloc_buffer operator=(cros_gralloc_buffer const &); 33 34 uint32_t id_; 35 struct bo *bo_; 36 struct cros_gralloc_handle *hnd_; 37 38 int32_t refcount_; 39 int32_t lockcount_; 40 uint32_t num_planes_; 41 42 struct mapping *lock_data_[DRV_MAX_PLANES]; 43 }; 44 45 #endif 46
