libs/hostgraphics/gui/BufferItemConsumer.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_GUI_BUFFERITEMCONSUMER_H
#define ANDROID_GUI_BUFFERITEMCONSUMER_H

#include <utils/RefBase.h>

#include <gui/ConsumerBase.h>
#include <gui/IGraphicBufferConsumer.h>

namespace android {

class BufferItemConsumer : public ConsumerBase {
public:
    BufferItemConsumer(
        const sp<IGraphicBufferConsumer>& consumer,
        uint64_t consumerUsage,
        int bufferCount,
        bool controlledByApp) : mConsumer(consumer) {
    }

    status_t acquireBuffer(BufferItem *item, nsecs_t presentWhen, bool waitForFence = true) {
        return mConsumer->acquireBuffer(item, presentWhen, 0);
    }

    status_t releaseBuffer(
        const BufferItem &item, const sp<Fence>& releaseFence = Fence::NO_FENCE) { return OK; }

    void setName(const String8& name) { }

    void setFrameAvailableListener(const wp<FrameAvailableListener>& listener) { }

    status_t setDefaultBufferSize(uint32_t width, uint32_t height) {
        return mConsumer->setDefaultBufferSize(width, height);
    }

    status_t setDefaultBufferFormat(PixelFormat defaultFormat) {
        return mConsumer->setDefaultBufferFormat(defaultFormat);
    }

    status_t setDefaultBufferDataSpace(android_dataspace defaultDataSpace) {
        return mConsumer->setDefaultBufferDataSpace(defaultDataSpace);
    }

    void abandon() { }

    status_t detachBuffer(int slot) { return OK; }

    status_t discardFreeBuffers() { return OK; }

    void freeBufferLocked(int slotIndex) { }

    status_t addReleaseFenceLocked(
        int slot, const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) { return OK; }
private:
    sp<IGraphicBufferConsumer> mConsumer;
};

} // namespace android

#endif // ANDROID_GUI_BUFFERITEMCONSUMER_H