1/* libs/opengles/surface.cpp
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#include <stdio.h>
19#include <stdlib.h>
20#include "TokenManager.h"
21
22namespace android {
23// ----------------------------------------------------------------------------
24
25TokenManager::TokenManager()
26{
27    // token 0 is always reserved
28    mTokenizer.reserve(0);
29}
30
31TokenManager::~TokenManager()
32{
33}
34
35status_t TokenManager::getToken(GLsizei n, GLuint *tokens)
36{
37    Mutex::Autolock _l(mLock);
38    for (GLsizei i=0 ; i<n ; i++)
39        *tokens++ = mTokenizer.acquire();
40    return NO_ERROR;
41}
42
43void TokenManager::recycleTokens(GLsizei n, const GLuint *tokens)
44{
45    Mutex::Autolock _l(mLock);
46    for (int i=0 ; i<n ; i++) {
47        const GLuint token = *tokens++;
48        if (token) {
49            mTokenizer.release(token);
50        }
51    }
52}
53
54bool TokenManager::isTokenValid(GLuint token) const
55{
56    Mutex::Autolock _l(mLock);
57    return mTokenizer.isAcquired(token);
58}
59
60// ----------------------------------------------------------------------------
61}; // namespace android
62
63