125 lines
2.8 KiB
C++
125 lines
2.8 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ThreadInfo.h"
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#ifdef HOST_BUILD
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#include "android/base/threads/AndroidThread.h"
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#else
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#include "cutils/threads.h"
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#endif
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#include <pthread.h>
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#if defined(HOST_BUILD) || defined(GFXSTREAM)
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static thread_local EGLThreadInfo sEglThreadInfoThreadLocal;
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EGLThreadInfo *goldfish_get_egl_tls()
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{
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return &sEglThreadInfoThreadLocal;
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}
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EGLThreadInfo* getEGLThreadInfo() {
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return goldfish_get_egl_tls();
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}
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int32_t getCurrentThreadId() {
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#ifdef HOST_BUILD
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return (int32_t)android::base::guest::getCurrentThreadId();
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#else
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return (int32_t)gettid();
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#endif
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}
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void setTlsDestructor(tlsDtorCallback func) {
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getEGLThreadInfo()->dtor = func;
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}
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#else // GFXSTREAM
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#ifdef __BIONIC__
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#include <bionic/tls.h>
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#endif
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#ifdef __ANDROID__
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// Are we missing an actual set of TLS defs?
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#ifdef GOLDFISH_OPENGL_NO_PLATFORM_BIONIC_INCLUDES
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#include <bionic_tls.h>
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#endif
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#endif
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static bool sDefaultTlsDestructorCallback(__attribute__((__unused__)) void* ptr) {
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return true;
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}
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static bool (*sTlsDestructorCallback)(void*) = sDefaultTlsDestructorCallback;
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static void tlsDestruct(void *ptr)
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{
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sTlsDestructorCallback(ptr);
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if (ptr
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#ifdef __ANDROID__
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&& ((void **)__get_tls())[TLS_SLOT_OPENGL]
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#endif
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) {
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EGLThreadInfo *ti = (EGLThreadInfo *)ptr;
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delete ti;
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#ifdef __ANDROID__
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((void **)__get_tls())[TLS_SLOT_OPENGL] = NULL;
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#endif
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}
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}
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void setTlsDestructor(tlsDtorCallback func) {
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sTlsDestructorCallback = func;
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}
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static pthread_key_t s_tls;
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static void init_key()
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{
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pthread_key_create(&s_tls, tlsDestruct);
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pthread_setspecific(s_tls, new EGLThreadInfo);
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}
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EGLThreadInfo *goldfish_get_egl_tls()
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{
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static pthread_once_t once = PTHREAD_ONCE_INIT;
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pthread_once(&once, init_key);
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return (EGLThreadInfo *) pthread_getspecific(s_tls);
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}
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EGLThreadInfo* getEGLThreadInfo() {
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#ifdef __ANDROID__
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EGLThreadInfo *tInfo =
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(EGLThreadInfo *)(((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL]);
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if (!tInfo) {
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tInfo = goldfish_get_egl_tls();
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((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL] = (uintptr_t)tInfo;
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}
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return tInfo;
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#else
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return goldfish_get_egl_tls();
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#endif
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}
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int32_t getCurrentThreadId() {
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return (int32_t)gettid();
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}
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#endif // !GFXSTREAM
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