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Mathias Agopian1473f462009-04-10 14:24:30 -07001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_UI_BUFFER_MAPPER_H
18#define ANDROID_UI_BUFFER_MAPPER_H
19
20#include <stdint.h>
21#include <sys/types.h>
Mathias Agopianaf9a5152009-04-10 20:34:46 -070022
Mathias Agopian1473f462009-04-10 14:24:30 -070023#include <utils/Singleton.h>
24
25#include <hardware/gralloc.h>
26
27
28struct gralloc_module_t;
29
30namespace android {
31
32// ---------------------------------------------------------------------------
33
34class Rect;
35
Mathias Agopian6950e422009-10-05 17:07:12 -070036class GraphicBufferMapper : public Singleton<GraphicBufferMapper>
Mathias Agopian1473f462009-04-10 14:24:30 -070037{
38public:
Mathias Agopian6950e422009-10-05 17:07:12 -070039 static inline GraphicBufferMapper& get() { return getInstance(); }
Mathias Agopiandff8e582009-05-04 14:17:04 -070040
41 status_t registerBuffer(buffer_handle_t handle);
42
43 status_t unregisterBuffer(buffer_handle_t handle);
44
45 status_t lock(buffer_handle_t handle,
46 int usage, const Rect& bounds, void** vaddr);
47
Mathias Agopian1473f462009-04-10 14:24:30 -070048 status_t unlock(buffer_handle_t handle);
49
Mathias Agopianaf9a5152009-04-10 20:34:46 -070050 // dumps information about the mapping of this handle
51 void dump(buffer_handle_t handle);
52
Mathias Agopian1473f462009-04-10 14:24:30 -070053private:
Mathias Agopian6950e422009-10-05 17:07:12 -070054 friend class Singleton<GraphicBufferMapper>;
55 GraphicBufferMapper();
Mathias Agopian1473f462009-04-10 14:24:30 -070056 gralloc_module_t const *mAllocMod;
Mathias Agopian1473f462009-04-10 14:24:30 -070057};
58
59// ---------------------------------------------------------------------------
60
61}; // namespace android
62
63#endif // ANDROID_UI_BUFFER_MAPPER_H
64