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1 /*
2  * Copyright 2016 The Android Open Source Project
3  * * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ANDROID_HARDWARE_GRAPHICS_MAPPER_V2_0_GRALLOC1MAPPER_H
17 #define ANDROID_HARDWARE_GRAPHICS_MAPPER_V2_0_GRALLOC1MAPPER_H
18 
19 #include "GrallocMapper.h"
20 
21 #include <hardware/gralloc1.h>
22 
23 namespace android {
24 namespace hardware {
25 namespace graphics {
26 namespace mapper {
27 namespace V2_0 {
28 namespace implementation {
29 
30 class Gralloc1Mapper : public GrallocMapper {
31    public:
32     Gralloc1Mapper(const hw_module_t* module);
33     ~Gralloc1Mapper();
34 
35    private:
36     void initCapabilities();
37 
38     template <typename T>
39     void initDispatch(gralloc1_function_descriptor_t desc, T* outPfn);
40     void initDispatch();
41 
42     static Error toError(int32_t error);
43     static bool toYCbCrLayout(const android_flex_layout& flex,
44                               YCbCrLayout* outLayout);
45     static gralloc1_rect_t asGralloc1Rect(const IMapper::Rect& rect);
46 
47     Error registerBuffer(buffer_handle_t bufferHandle) override;
48     void unregisterBuffer(buffer_handle_t bufferHandle) override;
49     Error lockBuffer(buffer_handle_t bufferHandle, uint64_t cpuUsage,
50                      const IMapper::Rect& accessRegion, int fenceFd,
51                      void** outData) override;
52     Error lockBuffer(buffer_handle_t bufferHandle, uint64_t cpuUsage,
53                      const IMapper::Rect& accessRegion, int fenceFd,
54                      YCbCrLayout* outLayout) override;
55     Error unlockBuffer(buffer_handle_t bufferHandle, int* outFenceFd) override;
56 
57     gralloc1_device_t* mDevice;
58 
59     struct {
60         GRALLOC1_PFN_RETAIN retain;
61         GRALLOC1_PFN_RELEASE release;
62         GRALLOC1_PFN_GET_NUM_FLEX_PLANES getNumFlexPlanes;
63         GRALLOC1_PFN_LOCK lock;
64         GRALLOC1_PFN_LOCK_FLEX lockFlex;
65         GRALLOC1_PFN_UNLOCK unlock;
66     } mDispatch;
67 };
68 
69 }  // namespace implementation
70 }  // namespace V2_0
71 }  // namespace mapper
72 }  // namespace graphics
73 }  // namespace hardware
74 }  // namespace android
75 
76 #endif  // ANDROID_HARDWARE_GRAPHICS_MAPPER_V2_0_GRALLOC1MAPPER_H
77