include/gui/IGraphicBufferAlloc.h

/*
 * Copyright (C) 2011 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_IGRAPHIC_BUFFER_ALLOC_H
#define ANDROID_GUI_IGRAPHIC_BUFFER_ALLOC_H

#include <stdint.h>
#include <sys/types.h>

#include <binder/IInterface.h>
#include <ui/GraphicBuffer.h>
#include <ui/PixelFormat.h>
#include <utils/RefBase.h>

#include <string>

namespace android {
// ----------------------------------------------------------------------------

class IGraphicBufferAlloc : public IInterface
{
public:
    DECLARE_META_INTERFACE(GraphicBufferAlloc)

    /* Create a new GraphicBuffer for the client to use.
     */
    virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
            PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
            uint64_t consumerUsage, std::string requestorName,
            status_t* error) = 0;

    sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
            PixelFormat format, uint32_t layerCount, uint32_t usage,
            status_t* error) {
        return createGraphicBuffer(w, h, format, layerCount, usage,
                usage, "<Unknown>", error);
    }

    sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
            PixelFormat format, uint32_t layerCount, uint32_t usage,
            std::string requestorName, status_t* error) {
        return createGraphicBuffer(w, h, format, layerCount, usage,
                usage, requestorName, error);
    }

    sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h,
            PixelFormat format, uint32_t layerCount, uint64_t producerUsage,
            uint64_t consumerUsage, status_t* error) {
        return createGraphicBuffer(w, h, format, layerCount, producerUsage,
                consumerUsage, "<Unknown>", error);
    }
};

// ----------------------------------------------------------------------------

class BnGraphicBufferAlloc : public BnInterface<IGraphicBufferAlloc>
{
public:
    virtual status_t onTransact(uint32_t code,
                                const Parcel& data,
                                Parcel* reply,
                                uint32_t flags = 0);
};

// ----------------------------------------------------------------------------

}; // namespace android

#endif // ANDROID_GUI_IGRAPHIC_BUFFER_ALLOC_H