2009-08-19 01:39:57 +00:00
|
|
|
/*
|
|
|
|
* 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 GR_H_
|
|
|
|
#define GR_H_
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifdef HAVE_ANDROID_OS // just want PAGE_SIZE define
|
|
|
|
# include <asm/page.h>
|
|
|
|
#else
|
|
|
|
# include <sys/user.h>
|
|
|
|
#endif
|
|
|
|
#include <limits.h>
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#include <hardware/gralloc.h>
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <errno.h>
|
|
|
|
|
|
|
|
#include <cutils/native_handle.h>
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
struct private_module_t;
|
|
|
|
struct private_handle_t;
|
|
|
|
|
|
|
|
inline size_t roundUpToPageSize(size_t x) {
|
|
|
|
return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
|
|
|
|
}
|
|
|
|
|
2011-03-08 01:31:51 +00:00
|
|
|
#define FALSE 0
|
|
|
|
#define TRUE 1
|
|
|
|
|
2009-08-19 01:39:57 +00:00
|
|
|
int mapFrameBufferLocked(struct private_module_t* module);
|
|
|
|
int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
|
2011-03-08 01:31:51 +00:00
|
|
|
size_t calculateBufferSize(int width, int height, int format);
|
|
|
|
int decideBufferHandlingMechanism(int format, const char *compositionUsed,
|
|
|
|
int hasBlitEngine, int *needConversion,
|
|
|
|
int *useBufferDirectly);
|
2009-08-19 01:39:57 +00:00
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
class Locker {
|
|
|
|
pthread_mutex_t mutex;
|
|
|
|
public:
|
|
|
|
class Autolock {
|
|
|
|
Locker& locker;
|
|
|
|
public:
|
|
|
|
inline Autolock(Locker& locker) : locker(locker) { locker.lock(); }
|
|
|
|
inline ~Autolock() { locker.unlock(); }
|
|
|
|
};
|
|
|
|
inline Locker() { pthread_mutex_init(&mutex, 0); }
|
|
|
|
inline ~Locker() { pthread_mutex_destroy(&mutex); }
|
|
|
|
inline void lock() { pthread_mutex_lock(&mutex); }
|
|
|
|
inline void unlock() { pthread_mutex_unlock(&mutex); }
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* GR_H_ */
|