68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
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// Copyright (c) 2014 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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#ifndef BUFFERMAPPER_H__
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#define BUFFERMAPPER_H__
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#include <DataBuffer.h>
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namespace android {
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namespace intel {
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class BufferMapper : public DataBuffer {
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public:
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BufferMapper(DataBuffer& buffer)
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: DataBuffer(buffer),
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mRefCount(0)
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{
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}
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virtual ~BufferMapper() {}
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public:
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int incRef()
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{
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mRefCount++;
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return mRefCount;
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}
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int decRef()
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{
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mRefCount--;
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return mRefCount;
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}
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int getRef() const
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{
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return mRefCount;
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}
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// map the given buffer into both DC & CPU MMU
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virtual bool map() = 0;
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// unmap the give buffer from both DC & CPU MMU
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virtual bool unmap() = 0;
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// return gtt page offset
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virtual uint32_t getGttOffsetInPage(int subIndex) const = 0;
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virtual void* getCpuAddress(int subIndex) const = 0;
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virtual uint32_t getSize(int subIndex) const = 0;
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virtual buffer_handle_t getKHandle(int subIndex) = 0;
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virtual buffer_handle_t getFbHandle(int subIndex) = 0;
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virtual void putFbHandle() = 0;
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private:
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int mRefCount;
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};
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} // namespace intel
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} // namespace android
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#endif /* BUFFERMAPPER_H__ */
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