anbox/external/android-emugl/host/libs/Translator/EGL/EglContext.cpp
2016-09-17 10:48:24 +02:00

96 lines
2.6 KiB
C++

/*
* 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 "EglContext.h"
#include "EglDisplay.h"
#include "EglGlobalInfo.h"
#include "EglOsApi.h"
unsigned int EglContext::s_nextContextHndl = 0;
extern EglGlobalInfo* g_eglInfo; // defined in EglImp.cpp
bool EglContext::usingSurface(SurfacePtr surface) {
return surface.Ptr() == m_read.Ptr() || surface.Ptr() == m_draw.Ptr();
}
EglContext::EglContext(EglDisplay *dpy,
EglOS::Context* context,
ContextPtr shared_context,
EglConfig* config,
GLEScontext* glesCtx,
GLESVersion ver,
ObjectNameManager* mngr) :
m_dpy(dpy),
m_native(context),
m_config(config),
m_glesContext(glesCtx),
m_read(NULL),
m_draw(NULL),
m_version(ver),
m_mngr(mngr) {
m_shareGroup = shared_context.Ptr()?
mngr->attachShareGroup(context,shared_context->nativeType()):
mngr->createShareGroup(context);
m_hndl = ++s_nextContextHndl;
}
EglContext::~EglContext()
{
//
// remove the context in the underlying OS layer
//
m_dpy->nativeType()->destroyContext(m_native);
//
// call the client-api to remove the GLES context
//
g_eglInfo->getIface(version())->deleteGLESContext(m_glesContext);
if (m_mngr)
{
m_mngr->deleteShareGroup(m_native);
}
}
void EglContext::setSurfaces(SurfacePtr read,SurfacePtr draw)
{
m_read = read;
m_draw = draw;
}
bool EglContext::getAttrib(EGLint attrib,EGLint* value) {
switch(attrib) {
case EGL_CONFIG_ID:
*value = m_config->id();
break;
default:
return false;
}
return true;
}
bool EglContext::attachImage(unsigned int imageId,ImagePtr img){
if(m_attachedImages.find(imageId) == m_attachedImages.end()){
m_attachedImages[imageId] = img;
return true;
}
return false;
}
void EglContext::detachImage(unsigned int imageId){
m_attachedImages.erase(imageId);
}