2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
21 #ifdef HAVE_ANDROID_OS // just want PAGE_SIZE define
22 # include <asm/page.h>
24 # include <sys/user.h>
27 #include <sys/cdefs.h>
28 #include <hardware/gralloc.h>
32 #include <cutils/native_handle.h>
34 /*****************************************************************************/
36 struct private_module_t;
37 struct private_handle_t;
39 inline size_t roundUpToPageSize(size_t x) {
40 return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
43 int mapFrameBufferLocked(struct private_module_t* module);
44 int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
45 int mapBuffer(gralloc_module_t const* module, private_handle_t* hnd);
47 /*****************************************************************************/
50 pthread_mutex_t mutex;
55 inline Autolock(Locker& locker) : locker(locker) { locker.lock(); }
56 inline ~Autolock() { locker.unlock(); }
58 inline Locker() { pthread_mutex_init(&mutex, 0); }
59 inline ~Locker() { pthread_mutex_destroy(&mutex); }
60 inline void lock() { pthread_mutex_lock(&mutex); }
61 inline void unlock() { pthread_mutex_unlock(&mutex); }