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1 /*
2  * Copyright 2019 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_HARDWARE_GRAPHICS_BUFFERQUEUE_V2_0_B2HGRAPHICBUFFERPRODUCER_H
18 #define ANDROID_HARDWARE_GRAPHICS_BUFFERQUEUE_V2_0_B2HGRAPHICBUFFERPRODUCER_H
19 
20 #include <android/hardware/graphics/bufferqueue/2.0/IGraphicBufferProducer.h>
21 #include <gui/IGraphicBufferProducer.h>
22 #include <gui/bufferqueue/2.0/types.h>
23 #include <hidl/HidlSupport.h>
24 
25 namespace android {
26 namespace hardware {
27 namespace graphics {
28 namespace bufferqueue {
29 namespace V2_0 {
30 namespace utils {
31 
32 using HGraphicBufferProducer =
33         ::android::hardware::graphics::bufferqueue::V2_0::
34         IGraphicBufferProducer;
35 using BGraphicBufferProducer =
36         ::android::
37         IGraphicBufferProducer;
38 using HProducerListener =
39         ::android::hardware::graphics::bufferqueue::V2_0::
40         IProducerListener;
41 
42 using ::android::hardware::Return;
43 using ::android::hardware::hidl_handle;
44 using ::android::hardware::hidl_string;
45 using ::android::hardware::hidl_vec;
46 
47 using ::android::hardware::graphics::common::V1_2::HardwareBuffer;
48 
49 class B2HGraphicBufferProducer : public HGraphicBufferProducer {
50 public:
51     B2HGraphicBufferProducer(sp<BGraphicBufferProducer> const& base);
52 
53     virtual Return<HStatus> setMaxDequeuedBufferCount(
54             int32_t maxDequeuedBuffers) override;
55 
56     virtual Return<void> requestBuffer(
57             int32_t slot,
58             requestBuffer_cb _hidl_cb) override;
59 
60     virtual Return<HStatus> setAsyncMode(bool async) override;
61 
62     virtual Return<void> dequeueBuffer(
63             DequeueBufferInput const& input,
64             dequeueBuffer_cb _hidl_cb) override;
65 
66     virtual Return<HStatus> detachBuffer(int32_t slot) override;
67 
68     virtual Return<void> detachNextBuffer(
69             detachNextBuffer_cb _hidl_cb) override;
70 
71     virtual Return<void> attachBuffer(
72             HardwareBuffer const& buffer,
73             uint32_t generationNumber,
74             attachBuffer_cb _hidl_cb) override;
75 
76     virtual Return<void> queueBuffer(
77             int32_t slot,
78             QueueBufferInput const& input,
79             queueBuffer_cb _hidl_cb) override;
80 
81     virtual Return<HStatus> cancelBuffer(
82             int32_t slot,
83             hidl_handle const& fence) override;
84 
85     virtual Return<void> query(int32_t what, query_cb _hidl_cb) override;
86 
87     virtual Return<void> connect(
88             sp<HProducerListener> const& listener,
89             HConnectionType api,
90             bool producerControlledByApp,
91             connect_cb _hidl_cb) override;
92 
93     virtual Return<HStatus> disconnect(HConnectionType api) override;
94 
95     virtual Return<HStatus> allocateBuffers(
96             uint32_t width, uint32_t height,
97             uint32_t format, uint64_t usage) override;
98 
99     virtual Return<HStatus> allowAllocation(bool allow) override;
100 
101     virtual Return<HStatus> setGenerationNumber(uint32_t generationNumber) override;
102 
103     virtual Return<HStatus> setDequeueTimeout(int64_t timeoutNs) override;
104 
105     virtual Return<uint64_t> getUniqueId() override;
106 
107     virtual Return<void> getConsumerName(getConsumerName_cb _hidl_cb) override;
108 
109 protected:
110     sp<BGraphicBufferProducer> mBase;
111 };
112 
113 
114 }  // namespace utils
115 }  // namespace V2_0
116 }  // namespace bufferqueue
117 }  // namespace graphics
118 }  // namespace hardware
119 }  // namespace android
120 
121 #endif  // ANDROID_HARDWARE_GRAPHICS_BUFFERQUEUE_V2_0_B2HGRAPHICBUFFERPRODUCER_H
122