1 /*
2  * Copyright 2018 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 #pragma once
18 
19 #include <android/hardware/graphics/mapper/2.1/IMapper.h>
20 #include <mapper-hal/2.0/MapperHal.h>
21 
22 namespace android {
23 namespace hardware {
24 namespace graphics {
25 namespace mapper {
26 namespace V2_1 {
27 namespace hal {
28 
29 using V2_0::BufferDescriptor;
30 using V2_0::Error;
31 
32 class MapperHal : public V2_0::hal::MapperHal {
33    public:
34     virtual ~MapperHal() = default;
35 
36     // superceded by createDescriptor_2_1
createDescriptor(const V2_0::IMapper::BufferDescriptorInfo & descriptorInfo,BufferDescriptor * outDescriptor)37     Error createDescriptor(const V2_0::IMapper::BufferDescriptorInfo& descriptorInfo,
38                            BufferDescriptor* outDescriptor) override {
39         return createDescriptor_2_1(
40             IMapper::BufferDescriptorInfo{
41                 descriptorInfo.width, descriptorInfo.height, descriptorInfo.layerCount,
42                 static_cast<common::V1_1::PixelFormat>(descriptorInfo.format), descriptorInfo.usage,
43             },
44             outDescriptor);
45     }
46 
47     // validate the buffer can be safely accessed with the specified
48     // descriptorInfo and stride
49     virtual Error validateBufferSize(const native_handle_t* bufferHandle,
50                                      const IMapper::BufferDescriptorInfo& descriptorInfo,
51                                      uint32_t stride) = 0;
52 
53     // get the transport size of a buffer handle.  It can be smaller than or
54     // equal to the size of the buffer handle.
55     virtual Error getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
56                                    uint32_t* outNumInts) = 0;
57 
58     // create a BufferDescriptor
59     virtual Error createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,
60                                        BufferDescriptor* outDescriptor) = 0;
61 };
62 
63 }  // namespace hal
64 }  // namespace V2_1
65 }  // namespace mapper
66 }  // namespace graphics
67 }  // namespace hardware
68 }  // namespace android
69