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/*
// Copyright (c) 2014 Intel Corporation
//
// 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 BUFFERMAPPER_H__
#define BUFFERMAPPER_H__
#include <DataBuffer.h>
namespace android {
namespace intel {
class BufferMapper : public DataBuffer {
public:
BufferMapper(DataBuffer& buffer)
: DataBuffer(buffer),
mRefCount(0)
{
}
virtual ~BufferMapper() {}
public:
int incRef()
{
mRefCount++;
return mRefCount;
}
int decRef()
{
mRefCount--;
return mRefCount;
}
int getRef() const
{
return mRefCount;
}
// map the given buffer into both DC & CPU MMU
virtual bool map() = 0;
// unmap the give buffer from both DC & CPU MMU
virtual bool unmap() = 0;
// return gtt page offset
virtual uint32_t getGttOffsetInPage(int subIndex) const = 0;
virtual void* getCpuAddress(int subIndex) const = 0;
virtual uint32_t getSize(int subIndex) const = 0;
virtual buffer_handle_t getKHandle(int subIndex) = 0;
virtual buffer_handle_t getFbHandle(int subIndex) = 0;
virtual void putFbHandle() = 0;
private:
int mRefCount;
};
} // namespace intel
} // namespace android
#endif /* BUFFERMAPPER_H__ */
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