113 lines
2.7 KiB
C
113 lines
2.7 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 GRALLOC_PRIV_H_
|
||
|
|
#define GRALLOC_PRIV_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <limits.h>
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
#include <hardware/gralloc.h>
|
||
|
|
#include <pthread.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#include <cutils/native_handle.h>
|
||
|
|
|
||
|
|
#include <linux/fb.h>
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
struct private_module_t;
|
||
|
|
struct private_handle_t;
|
||
|
|
|
||
|
|
struct private_module_t {
|
||
|
|
gralloc_module_t base;
|
||
|
|
|
||
|
|
private_handle_t* framebuffer;
|
||
|
|
uint32_t flags;
|
||
|
|
uint32_t numBuffers;
|
||
|
|
uint32_t bufferMask;
|
||
|
|
pthread_mutex_t lock;
|
||
|
|
buffer_handle_t currentBuffer;
|
||
|
|
int pmem_master;
|
||
|
|
void* pmem_master_base;
|
||
|
|
|
||
|
|
struct fb_var_screeninfo info;
|
||
|
|
struct fb_fix_screeninfo finfo;
|
||
|
|
float xdpi;
|
||
|
|
float ydpi;
|
||
|
|
float fps;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
struct private_handle_t : public native_handle {
|
||
|
|
#else
|
||
|
|
struct private_handle_t {
|
||
|
|
struct native_handle nativeHandle;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
enum {
|
||
|
|
PRIV_FLAGS_FRAMEBUFFER = 0x00000001
|
||
|
|
};
|
||
|
|
|
||
|
|
// file-descriptors
|
||
|
|
int fd;
|
||
|
|
// ints
|
||
|
|
int magic;
|
||
|
|
int flags;
|
||
|
|
int size;
|
||
|
|
int offset;
|
||
|
|
|
||
|
|
// FIXME: the attributes below should be out-of-line
|
||
|
|
int base;
|
||
|
|
int pid;
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
static const int sNumInts = 6;
|
||
|
|
static const int sNumFds = 1;
|
||
|
|
static const int sMagic = 0x3141592;
|
||
|
|
|
||
|
|
private_handle_t(int fd, int size, int flags) :
|
||
|
|
fd(fd), magic(sMagic), flags(flags), size(size), offset(0),
|
||
|
|
base(0), pid(getpid())
|
||
|
|
{
|
||
|
|
version = sizeof(native_handle);
|
||
|
|
numInts = sNumInts;
|
||
|
|
numFds = sNumFds;
|
||
|
|
}
|
||
|
|
~private_handle_t() {
|
||
|
|
magic = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int validate(const native_handle* h) {
|
||
|
|
const private_handle_t* hnd = (const private_handle_t*)h;
|
||
|
|
if (!h || h->version != sizeof(native_handle) ||
|
||
|
|
h->numInts != sNumInts || h->numFds != sNumFds ||
|
||
|
|
hnd->magic != sMagic)
|
||
|
|
{
|
||
|
|
ALOGE("invalid gralloc handle (at %p)", h);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* GRALLOC_PRIV_H_ */
|