87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2008 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_VRAM_HEAP_H
|
||
|
|
#define ANDROID_VRAM_HEAP_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <utils/MemoryDealer.h>
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class PMemHeap;
|
||
|
|
class MemoryHeapPmem;
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class SurfaceHeapManager : public RefBase
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
SurfaceHeapManager(size_t clientHeapSize);
|
||
|
|
virtual ~SurfaceHeapManager();
|
||
|
|
virtual void onFirstRef();
|
||
|
|
sp<MemoryDealer> createHeap(int type);
|
||
|
|
|
||
|
|
// used for debugging only...
|
||
|
|
sp<SimpleBestFitAllocator> getAllocator(int type) const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
sp<PMemHeap> getHeap(int type) const;
|
||
|
|
|
||
|
|
mutable Mutex mLock;
|
||
|
|
size_t mClientHeapSize;
|
||
|
|
sp<PMemHeap> mPMemHeap;
|
||
|
|
static int global_pmem_heap;
|
||
|
|
};
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class PMemHeapInterface : public MemoryHeapBase
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
PMemHeapInterface(int fd, size_t size);
|
||
|
|
PMemHeapInterface(const char* device, size_t size = 0);
|
||
|
|
PMemHeapInterface(size_t size, uint32_t flags = 0, char const * name = NULL);
|
||
|
|
virtual ~PMemHeapInterface();
|
||
|
|
virtual sp<MemoryHeapPmem> createClientHeap() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class PMemHeap : public PMemHeapInterface
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
PMemHeap(const char* const vram,
|
||
|
|
size_t size=0, size_t reserved=0);
|
||
|
|
virtual ~PMemHeap();
|
||
|
|
|
||
|
|
virtual const sp<SimpleBestFitAllocator>& getAllocator() const {
|
||
|
|
return mAllocator;
|
||
|
|
}
|
||
|
|
virtual sp<MemoryHeapPmem> createClientHeap();
|
||
|
|
|
||
|
|
private:
|
||
|
|
sp<SimpleBestFitAllocator> mAllocator;
|
||
|
|
};
|
||
|
|
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
}; // namespace android
|
||
|
|
|
||
|
|
#endif // ANDROID_VRAM_HEAP_H
|