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 { 28 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 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