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Commit 15d22137 authored by Chia-I Wu's avatar Chia-I Wu
Browse files

graphics: add a default impl for IMapper 2.1 

This is for reference only.  It almost only has stub implementations
for the new 2.1 methods.

Test: boots and VTS
Change-Id: I60499f3094df1975ccbbcda7b5c03d4a0dc57c39
parent 3ceef47c

graphics/mapper/2.1/default/Android.bp

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//

// Copyright (C) 2016 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.



cc_library_shared {

    name: "android.hardware.graphics.mapper@2.0-impl-2.1",

    defaults: ["hidl_defaults"],

    vendor: true,

    relative_install_path: "hw",

    srcs: ["passthrough.cpp"],

    header_libs: [

        "android.hardware.graphics.mapper@2.1-passthrough",

    ],

    shared_libs: [

        "android.hardware.graphics.mapper@2.0",

        "android.hardware.graphics.mapper@2.1",

        "libbase",

        "libcutils",

        "libhardware",

        "libhidlbase",

        "libhidltransport",

        "liblog",

        "libsync",

        "libutils",

    ],

}

graphics/mapper/2.1/default/OWNERS

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# Graphics team

jessehall@google.com

olv@google.com

stoza@google.com

graphics/mapper/2.1/default/passthrough.cpp

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/*

 * Copyright 2016 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.

 */



#include <android/hardware/graphics/mapper/2.1/IMapper.h>

#include <mapper-passthrough/2.1/GrallocLoader.h>



using android::hardware::graphics::mapper::V2_1::IMapper;

using android::hardware::graphics::mapper::V2_1::passthrough::GrallocLoader;



extern "C" IMapper* HIDL_FETCH_IMapper(const char* /*name*/) {

    return GrallocLoader::load();

}

graphics/mapper/2.1/utils/passthrough/Android.bp

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//

// Copyright (C) 2016 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.



cc_library_headers {

    name: "android.hardware.graphics.mapper@2.1-passthrough",

    defaults: ["hidl_defaults"],

    vendor: true,

    shared_libs: [

        "android.hardware.graphics.mapper@2.1",

        "libhardware",

    ],

    export_shared_lib_headers: [

        "android.hardware.graphics.mapper@2.1",

        "libhardware",

    ],

    header_libs: [

        "android.hardware.graphics.mapper@2.0-passthrough",

        "android.hardware.graphics.mapper@2.1-hal",

    ],

    export_header_lib_headers: [

        "android.hardware.graphics.mapper@2.0-passthrough",

        "android.hardware.graphics.mapper@2.1-hal",

    ],

    export_include_dirs: ["include"],

}

graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc0Hal.h

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/*

 * Copyright 2016 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.

 */



#pragma once



#include <mapper-hal/2.1/MapperHal.h>

#include <mapper-passthrough/2.0/Gralloc0Hal.h>



namespace android {

namespace hardware {

namespace graphics {

namespace mapper {

namespace V2_1 {

namespace passthrough {



namespace detail {



using V2_0::BufferDescriptor;

using V2_0::Error;



// Gralloc0HalImpl implements V2_*::hal::MapperHal on top of gralloc0

template <typename Hal>

class Gralloc0HalImpl : public V2_0::passthrough::detail::Gralloc0HalImpl<Hal> {

   public:

    Error validateBufferSize(const native_handle_t* /*bufferHandle*/,

                             const IMapper::BufferDescriptorInfo& /*descriptorInfo*/,

                             uint32_t /*stride*/) override {

        // need a gralloc0 extension to really validate

        return Error::NONE;

    }



    Error getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,

                           uint32_t* outNumInts) override {

        // need a gralloc0 extension to get the transport size

        *outNumFds = bufferHandle->numFds;

        *outNumInts = bufferHandle->numInts;

        return Error::NONE;

    }



    Error createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,

                               BufferDescriptor* outDescriptor) override {

        return createDescriptor(

            V2_0::IMapper::BufferDescriptorInfo{

                descriptorInfo.width, descriptorInfo.height, descriptorInfo.layerCount,

                static_cast<common::V1_0::PixelFormat>(descriptorInfo.format), descriptorInfo.usage,

            },

            outDescriptor);

    }



   private:

    using BaseType2_0 = V2_0::passthrough::detail::Gralloc0HalImpl<Hal>;

    using BaseType2_0::createDescriptor;

};



}  // namespace detail



using Gralloc0Hal = detail::Gralloc0HalImpl<hal::MapperHal>;



}  // namespace passthrough

}  // namespace V2_1

}  // namespace mapper

}  // namespace graphics

}  // namespace hardware

}  // namespace android