1 /*
2  * Copyright 2016 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 #define LOG_TAG "GrallocPassthrough"
18 
19 #include "Gralloc.h"
20 #include "Gralloc0Allocator.h"
21 #include "Gralloc1Allocator.h"
22 
23 #include <log/log.h>
24 
25 namespace android {
26 namespace hardware {
27 namespace graphics {
28 namespace allocator {
29 namespace V2_0 {
30 namespace implementation {
31 
HIDL_FETCH_IAllocator(const char *)32 IAllocator* HIDL_FETCH_IAllocator(const char* /* name */) {
33     const hw_module_t* module = nullptr;
34     int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
35     if (err) {
36         ALOGE("failed to get gralloc module");
37         return nullptr;
38     }
39 
40     uint8_t major = (module->module_api_version >> 8) & 0xff;
41     switch (major) {
42         case 1:
43             return new Gralloc1Allocator(module);
44         case 0:
45             return new Gralloc0Allocator(module);
46         default:
47             ALOGE("unknown gralloc module major version %d", major);
48             return nullptr;
49     }
50 }
51 
52 } // namespace implementation
53 } // namespace V2_0
54 } // namespace allocator
55 } // namespace graphics
56 } // namespace hardware
57 } // namespace android
58