SharedBufferStack.h revision 90ac799241f077a7b7e6c1875fd933864c8dd2a7 
1/*
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_SF_SHARED_BUFFER_STACK_H
18#define ANDROID_SF_SHARED_BUFFER_STACK_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Debug.h>
24
25namespace android {
26// ---------------------------------------------------------------------------
27
28#define NUM_DISPLAY_MAX 4
29
30struct display_cblk_t
31{
32    uint16_t    w;
33    uint16_t    h;
34    uint8_t     format;
35    uint8_t     orientation;
36    uint8_t     reserved[2];
37    float       fps;
38    float       density;
39    float       xdpi;
40    float       ydpi;
41    uint32_t    pad[2];
42};
43
44struct surface_flinger_cblk_t   // 4KB max
45{
46    uint8_t         connected;
47    uint8_t         reserved[3];
48    uint32_t        pad[7];
49    display_cblk_t  displays[NUM_DISPLAY_MAX];
50};
51
52// ---------------------------------------------------------------------------
53
54COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096)
55
56// ---------------------------------------------------------------------------
57}; // namespace android
58
59#endif /* ANDROID_SF_SHARED_BUFFER_STACK_H */
60