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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