/opengl/libs/EGL/egl_tls.cpp
http://github.com/CyanogenMod/android_frameworks_base · C++ · 148 lines · 110 code · 21 blank · 17 comment · 22 complexity · 42938ad67b859a729e627079504c3c7a MD5 · raw file
- /*
- ** Copyright 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 <stdlib.h>
- #include <pthread.h>
- #include <cutils/log.h>
- #include <cutils/properties.h>
- #include <utils/CallStack.h>
- #include <EGL/egl.h>
- #include "egl_tls.h"
- namespace android {
- pthread_key_t egl_tls_t::sKey = -1;
- pthread_mutex_t egl_tls_t::sLockKey = PTHREAD_MUTEX_INITIALIZER;
- egl_tls_t::egl_tls_t()
- : error(EGL_SUCCESS), ctx(0), logCallWithNoContext(EGL_TRUE), dbg(0) {
- }
- const char *egl_tls_t::egl_strerror(EGLint err) {
- switch (err) {
- case EGL_SUCCESS: return "EGL_SUCCESS";
- case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
- case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
- case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
- case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
- case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
- case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
- case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
- case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
- case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
- case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
- case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
- case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
- case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
- case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
- default: return "UNKNOWN";
- }
- }
- void egl_tls_t::validateTLSKey()
- {
- if (sKey == -1) {
- pthread_mutex_lock(&sLockKey);
- if (sKey == -1)
- pthread_key_create(&sKey, NULL);
- pthread_mutex_unlock(&sLockKey);
- }
- }
- void egl_tls_t::setErrorEtcImpl(
- const char* caller, int line, EGLint error, bool quiet) {
- validateTLSKey();
- egl_tls_t* tls = getTLS();
- if (tls->error != error) {
- if (!quiet) {
- LOGE("%s:%d error %x (%s)",
- caller, line, error, egl_strerror(error));
- char value[PROPERTY_VALUE_MAX];
- property_get("debug.egl.callstack", value, "0");
- if (atoi(value)) {
- CallStack stack;
- stack.update();
- stack.dump();
- }
- }
- tls->error = error;
- }
- }
- bool egl_tls_t::logNoContextCall() {
- egl_tls_t* tls = getTLS();
- if (tls->logCallWithNoContext == true) {
- tls->logCallWithNoContext = false;
- return true;
- }
- return false;
- }
- egl_tls_t* egl_tls_t::getTLS() {
- egl_tls_t* tls = (egl_tls_t*)pthread_getspecific(sKey);
- if (tls == 0) {
- tls = new egl_tls_t;
- pthread_setspecific(sKey, tls);
- }
- return tls;
- }
- void egl_tls_t::clearTLS() {
- if (sKey != -1) {
- egl_tls_t* tls = (egl_tls_t*)pthread_getspecific(sKey);
- if (tls) {
- delete tls;
- pthread_setspecific(sKey, 0);
- }
- }
- }
- void egl_tls_t::clearError() {
- // This must clear the error from all the underlying EGL implementations as
- // well as the EGL wrapper layer.
- eglGetError();
- }
- EGLint egl_tls_t::getError() {
- if (sKey == -1)
- return EGL_SUCCESS;
- egl_tls_t* tls = (egl_tls_t*)pthread_getspecific(sKey);
- if (!tls) return EGL_SUCCESS;
- EGLint error = tls->error;
- tls->error = EGL_SUCCESS;
- return error;
- }
- void egl_tls_t::setContext(EGLContext ctx) {
- validateTLSKey();
- getTLS()->ctx = ctx;
- }
- EGLContext egl_tls_t::getContext() {
- if (sKey == -1)
- return EGL_NO_CONTEXT;
- egl_tls_t* tls = (egl_tls_t *)pthread_getspecific(sKey);
- if (!tls) return EGL_NO_CONTEXT;
- return tls->ctx;
- }
- } // namespace android