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/*
* 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 "EglGlobalInfo.h"
#include "EglOsApi.h"
#include <string.h>
#include "ClientAPIExts.h"
int EglGlobalInfo::m_refCount = 0;
EglGlobalInfo* EglGlobalInfo::m_singleton = NULL;
EglGlobalInfo::EglGlobalInfo(){
m_default = EglOS::getDefaultDisplay();
#ifdef _WIN32
EglOS::initPtrToWglFunctions();
#endif
memset(m_gles_ifaces,0,sizeof(m_gles_ifaces));
memset(m_gles_extFuncs_inited,0,sizeof(m_gles_extFuncs_inited));
}
EglGlobalInfo* EglGlobalInfo::getInstance() {
if(!m_singleton) {
m_singleton = new EglGlobalInfo();
m_refCount = 0;
}
m_refCount++;
return m_singleton;
}
void EglGlobalInfo::delInstance() {
m_refCount--;
if(m_refCount <= 0 && m_singleton) {
delete m_singleton;
m_singleton = NULL;
}
}
EglDisplay* EglGlobalInfo::addDisplay(EGLNativeDisplayType dpy,EGLNativeInternalDisplayType idpy) {
//search if it is not already exists
emugl::Mutex::AutoLock mutex(m_lock);
for(DisplaysMap::iterator it = m_displays.begin(); it != m_displays.end() ;it++) {
if((*it).second == dpy) return (*it).first;
}
if (!EglOS::validNativeDisplay(idpy))
return NULL;
EglDisplay* p_dpy = new EglDisplay(idpy);
if(p_dpy) {
m_displays[p_dpy] = dpy;
return p_dpy;
}
return NULL;
}
bool EglGlobalInfo::removeDisplay(EGLDisplay dpy) {
emugl::Mutex::AutoLock mutex(m_lock);
for(DisplaysMap::iterator it = m_displays.begin(); it != m_displays.end() ;it++) {
if(static_cast<EGLDisplay>((*it).first) == dpy) {
delete (*it).first;
m_displays.erase(it);
return true;
}
}
return false;
}
EglDisplay* EglGlobalInfo::getDisplay(EGLNativeDisplayType dpy) {
emugl::Mutex::AutoLock mutex(m_lock);
for(DisplaysMap::iterator it = m_displays.begin(); it != m_displays.end() ;it++) {
if((*it).second == dpy) return (*it).first;
}
return NULL;
}
EglDisplay* EglGlobalInfo::getDisplay(EGLDisplay dpy) {
emugl::Mutex::AutoLock mutex(m_lock);
DisplaysMap::iterator it = m_displays.find(static_cast<EglDisplay*>(dpy));
return (it != m_displays.end() ? (*it).first : NULL);
}
EGLNativeInternalDisplayType EglGlobalInfo::generateInternalDisplay(EGLNativeDisplayType dpy){
return EglOS::getInternalDisplay(dpy);
}
void EglGlobalInfo::initClientExtFuncTable(GLESVersion ver)
{
emugl::Mutex::AutoLock mutex(m_lock);
if (!m_gles_extFuncs_inited[ver]) {
ClientAPIExts::initClientFuncs(m_gles_ifaces[ver], (int)ver - 1);
m_gles_extFuncs_inited[ver] = true;
}
}
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