1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
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
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16 #ifndef _THREAD_INFO_H
17 #define _THREAD_INFO_H
18 
19 #include "HostConnection.h"
20 #include <pthread.h>
21 
22 #include <bionic_tls.h>
23 struct EGLContext_t;
24 struct HostConnection;
25 
26 struct EGLThreadInfo
27 {
EGLThreadInfoEGLThreadInfo28     EGLThreadInfo() : currentContext(NULL), hostConn(NULL), eglError(EGL_SUCCESS) { }
29 
30     EGLContext_t *currentContext;
31     HostConnection *hostConn;
32     int           eglError;
33 };
34 
35 
36 typedef bool (*tlsDtorCallback)(void*);
37 void setTlsDestructor(tlsDtorCallback);
38 
39 extern "C" __attribute__((visibility("default"))) EGLThreadInfo *goldfish_get_egl_tls();
40 
getEGLThreadInfo()41 inline EGLThreadInfo* getEGLThreadInfo() {
42 #ifdef __ANDROID__
43     EGLThreadInfo *tInfo =
44         (EGLThreadInfo *)(((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL]);
45     if (!tInfo) {
46         tInfo = goldfish_get_egl_tls();
47         ((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL] = (uintptr_t)tInfo;
48     }
49     return tInfo;
50 #else
51     return goldfish_get_egl_tls();
52 #endif
53 }
54 
55 #endif // of _THREAD_INFO_H
56