blob: ee022e2080f7892585156afd98716a969f2f9452 [file] [log] [blame]
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ThreadInfo.h"
#include <pthread.h>
#if defined(HOST_BUILD) || defined(GFXSTREAM)
static thread_local EGLThreadInfo sEglThreadInfoThreadLocal;
EGLThreadInfo *goldfish_get_egl_tls()
{
return &sEglThreadInfoThreadLocal;
}
EGLThreadInfo* getEGLThreadInfo() {
return goldfish_get_egl_tls();
}
void setTlsDestructor(tlsDtorCallback func) {
getEGLThreadInfo()->dtor = func;
}
#else // GFXSTREAM
#ifdef __BIONIC__
#include <bionic/tls.h>
#endif
#ifdef __ANDROID__
// Are we missing an actual set of TLS defs?
#ifdef GOLDFISH_OPENGL_NO_PLATFORM_BIONIC_INCLUDES
#include <bionic_tls.h>
#endif
#endif
static bool sDefaultTlsDestructorCallback(__attribute__((__unused__)) void* ptr) {
return true;
}
static bool (*sTlsDestructorCallback)(void*) = sDefaultTlsDestructorCallback;
static void tlsDestruct(void *ptr)
{
sTlsDestructorCallback(ptr);
if (ptr
#ifdef __ANDROID__
&& ((void **)__get_tls())[TLS_SLOT_OPENGL]
#endif
) {
EGLThreadInfo *ti = (EGLThreadInfo *)ptr;
delete ti;
#ifdef __ANDROID__
((void **)__get_tls())[TLS_SLOT_OPENGL] = NULL;
#endif
}
}
void setTlsDestructor(tlsDtorCallback func) {
sTlsDestructorCallback = func;
}
static pthread_key_t s_tls;
static void init_key()
{
pthread_key_create(&s_tls, tlsDestruct);
pthread_setspecific(s_tls, new EGLThreadInfo);
}
EGLThreadInfo *goldfish_get_egl_tls()
{
static pthread_once_t once = PTHREAD_ONCE_INIT;
pthread_once(&once, init_key);
return (EGLThreadInfo *) pthread_getspecific(s_tls);
}
EGLThreadInfo* getEGLThreadInfo() {
#ifdef __ANDROID__
EGLThreadInfo *tInfo =
(EGLThreadInfo *)(((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL]);
if (!tInfo) {
tInfo = goldfish_get_egl_tls();
((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL] = (uintptr_t)tInfo;
}
return tInfo;
#else
return goldfish_get_egl_tls();
#endif
}
#endif // !GFXSTREAM