blob: 42d0fb62580cdbe3cfe57cdfb07569a5ae246381 [file] [log] [blame]
/*
* Copyright (c) 2011-2012, The Linux Foundation. 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 The Linux Foundation 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_ALLOCCONTROLLER_H
#define GRALLOC_ALLOCCONTROLLER_H
#define SZ_2M 0x200000
#define SZ_1M 0x100000
#define SZ_4K 0x1000
/* TODO: Move this to the common makefile */
#ifdef MASTER_SIDE_CP
#define SECURE_ALIGN SZ_4K
#else
#define SECURE_ALIGN SZ_1M
#endif
namespace gralloc {
struct alloc_data;
class IMemAlloc;
class IonAlloc;
class IAllocController {
public:
/* Allocate using a suitable method
* Returns the type of buffer allocated
*/
virtual int allocate(alloc_data& data, int usage) = 0;
virtual IMemAlloc* getAllocator(int flags) = 0;
virtual bool isDisableUBWCForEncoder() { return false; }
virtual ~IAllocController() {};
static IAllocController* getInstance(void);
private:
static IAllocController* sController;
};
class IonController : public IAllocController {
public:
virtual int allocate(alloc_data& data, int usage);
virtual IMemAlloc* getAllocator(int flags);
virtual bool isDisableUBWCForEncoder() {
return mDisableUBWCForEncode;
}
IonController();
private:
IonAlloc* mIonAlloc;
bool mDisableUBWCForEncode;
void allocateIonMem();
};
} //end namespace gralloc
#endif // GRALLOC_ALLOCCONTROLLER_H