1 /*
2 * Copyright (C) 2012 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
18 #include <system/window.h>
19 #include <hardware/hardware.h>
20 #include <hardware/sensors.h>
21 #include <hardware/fb.h>
22 #include <hardware/hwcomposer.h>
23 #include <hardware/gralloc.h>
24 #include <hardware/consumerir.h>
25 #include <hardware/camera_common.h>
26 #include <hardware/camera3.h>
27
28 template<size_t> static constexpr size_t CheckSizeHelper(size_t, size_t);
29
CheckSizeHelper(size_t size32,size_t)30 template<> constexpr size_t CheckSizeHelper<4>(size_t size32, size_t /* size64 */) {
31 return size32;
32 }
33
CheckSizeHelper(size_t,size_t size64)34 template<> constexpr size_t CheckSizeHelper<8>(size_t /* size32 */, size_t size64) {
35 return size64;
36 }
37
CheckTypeSize()38 template<typename T, size_t size32, size_t size64> static void CheckTypeSize() {
39 const size_t mySize = CheckSizeHelper<sizeof(void *)>(size32, size64);
40
41 static_assert(sizeof(T) == mySize, "struct is the wrong size");
42 }
43
CheckSizes(void)44 void CheckSizes(void) {
45 //Types defined in hardware.h
46 CheckTypeSize<hw_module_t, 128, 248>();
47 CheckTypeSize<hw_device_t, 64, 120>();
48
49 //Types defined in sensors.h
50 CheckTypeSize<sensors_vec_t, 16, 16>();
51 CheckTypeSize<sensors_event_t, 104, 104>();
52 CheckTypeSize<struct sensor_t, 68, 104>();
53 CheckTypeSize<sensors_poll_device_1_t, 116, 224>();
54
55 //Types defined in fb.h
56 CheckTypeSize<framebuffer_device_t, 184, 288>();
57
58 //Types defined in hwcomposer.h
59 CheckTypeSize<hwc_layer_1_t, 96, 120>();
60 CheckTypeSize<hwc_composer_device_1_t, 116, 224>();
61
62 //Types defined in gralloc.h
63 CheckTypeSize<gralloc_module_t, 176, 344>();
64 CheckTypeSize<alloc_device_t, 104, 200>();
65
66 //Types defined in consumerir.h
67 CheckTypeSize<consumerir_device_t, 96, 184>();
68
69 //Types defined in camera_common.h
70 CheckTypeSize<vendor_tag_ops_t, 52, 104>();
71 CheckTypeSize<camera_module_t, 176, 344>();
72
73 //Types defined in camera3.h
74 CheckTypeSize<camera3_device_ops_t, 64, 128>();
75 }
76
77