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 #ifdef HAVE_ANDROID_OS 22 #include <bionic_tls.h> 23 #endif 24 25 struct EGLContext_t; 26 27 struct EGLThreadInfo 28 { EGLThreadInfoEGLThreadInfo29 EGLThreadInfo() : currentContext(NULL), hostConn(NULL), eglError(EGL_SUCCESS) {} 30 31 EGLContext_t *currentContext; 32 HostConnection *hostConn; 33 int eglError; 34 }; 35 36 37 EGLThreadInfo *slow_getEGLThreadInfo(); 38 39 #ifdef HAVE_ANDROID_OS 40 // We have a dedicated TLS slot in bionic getEGLThreadInfo()41 inline EGLThreadInfo* getEGLThreadInfo() { 42 EGLThreadInfo *tInfo = 43 (EGLThreadInfo *)(((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL]); 44 if (!tInfo) { 45 tInfo = slow_getEGLThreadInfo(); 46 ((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL] = (uintptr_t)tInfo; 47 } 48 return tInfo; 49 } 50 #else getEGLThreadInfo()51 inline EGLThreadInfo* getEGLThreadInfo() { 52 return slow_getEGLThreadInfo(); 53 } 54 #endif 55 56 57 58 59 #endif // of _THREAD_INFO_H 60