android_hardware_qcom_display/libgralloc/pmemalloc.h
Naseer Ahmed 7341799797 qcom/display: Update HALs
- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files

Change-Id: Ia53650759d4fe99bde395b7b4e8e02e6e65845e0
2012-07-10 02:03:45 -06:00

107 lines
3.4 KiB
C++

/*
* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GRALLOC_PMEMALLOC_H
#define GRALLOC_PMEMALLOC_H
#include <linux/ion.h>
#include <utils/RefBase.h>
#include "memalloc.h"
namespace gralloc {
class PmemUserspaceAlloc : public IMemAlloc {
public:
class Allocator: public android::RefBase {
public:
virtual ~Allocator() {};
virtual ssize_t setSize(size_t size) = 0;
virtual size_t size() const = 0;
virtual ssize_t allocate(size_t size, uint32_t flags = 0) = 0;
virtual ssize_t deallocate(size_t offset) = 0;
};
virtual int alloc_buffer(alloc_data& data);
virtual int free_buffer(void *base, size_t size,
int offset, int fd);
virtual int map_buffer(void **pBase, size_t size,
int offset, int fd);
virtual int unmap_buffer(void *base, size_t size,
int offset);
virtual int clean_buffer(void*base, size_t size,
int offset, int fd);
PmemUserspaceAlloc();
~PmemUserspaceAlloc();
private:
int mMasterFd;
void* mMasterBase;
const char* mPmemDev;
android::sp<Allocator> mAllocator;
pthread_mutex_t mLock;
int init_pmem_area();
int init_pmem_area_locked();
};
class PmemKernelAlloc : public IMemAlloc {
public:
virtual int alloc_buffer(alloc_data& data);
virtual int free_buffer(void *base, size_t size,
int offset, int fd);
virtual int map_buffer(void **pBase, size_t size,
int offset, int fd);
virtual int unmap_buffer(void *base, size_t size,
int offset);
virtual int clean_buffer(void*base, size_t size,
int offset, int fd);
PmemKernelAlloc(const char* device);
~PmemKernelAlloc();
private:
const char* mPmemDev;
};
}
#endif /* GRALLOC_PMEMALLOC_H */