1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef GRALLOC_GPU_H_
19#define GRALLOC_GPU_H_
20
21#include <errno.h>
22#include <pthread.h>
23#include <stdlib.h>
24#include <string.h>
25
26#include <cutils/log.h>
27#include <cutils/ashmem.h>
28
29#include "gralloc_priv.h"
30#include <fb_priv.h>
31
32namespace gralloc {
33class IAllocController;
34class gpu_context_t : public alloc_device_t {
35    public:
36    gpu_context_t(const private_module_t* module,
37                  IAllocController* alloc_ctrl);
38
39    int gralloc_alloc_framebuffer_locked(size_t size, int usage,
40                                         buffer_handle_t* pHandle);
41
42    int gralloc_alloc_framebuffer(size_t size, int usage,
43                                  buffer_handle_t* pHandle);
44
45    int gralloc_alloc_buffer(size_t size, int usage,
46                             buffer_handle_t* pHandle,
47                             int bufferType, int format,
48                             int width, int height);
49
50    int free_impl(private_handle_t const* hnd);
51
52    int alloc_impl(int w, int h, int format, int usage,
53                   buffer_handle_t* pHandle, int* pStride,
54                   size_t bufferSize = 0);
55
56    static int gralloc_alloc(alloc_device_t* dev, int w, int h,
57                             int format, int usage,
58                             buffer_handle_t* pHandle,
59                             int* pStride);
60
61    static int gralloc_free(alloc_device_t* dev, buffer_handle_t handle);
62
63    static int gralloc_alloc_size(alloc_device_t* dev,
64                                  int w, int h, int format,
65                                  int usage, buffer_handle_t* pHandle,
66                                  int* pStride, int bufferSize);
67
68    static int gralloc_close(struct hw_device_t *dev);
69
70    private:
71   IAllocController* mAllocCtrl;
72    void getGrallocInformationFromFormat(int inputFormat,
73                                         int *bufferType);
74};
75}
76#endif  // GRALLOC_GPU_H
77