1/*
2* Copyright (C) 2011 The Android Open Source Project
3*
4* Licensed under the Apache License, Version 2.0 (the "License");
5* you may not use this file except in compliance with the License.
6* You may obtain a copy of the License at
7*
8* http://www.apache.org/licenses/LICENSE-2.0
9*
10* Unless required by applicable law or agreed to in writing, software
11* distributed under the License is distributed on an "AS IS" BASIS,
12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13* See the License for the specific language governing permissions and
14* limitations under the License.
15*/
16#include "EglContext.h"
17#include "EglDisplay.h"
18#include "EglGlobalInfo.h"
19#include "EglOsApi.h"
20
21unsigned int EglContext::s_nextContextHndl = 0;
22
23extern EglGlobalInfo* g_eglInfo; // defined in EglImp.cpp
24
25bool EglContext::usingSurface(SurfacePtr surface) {
26  return surface.Ptr() == m_read.Ptr() || surface.Ptr() == m_draw.Ptr();
27}
28
29EglContext::EglContext(EglDisplay *dpy, EGLNativeContextType context,ContextPtr shared_context,
30            EglConfig* config,GLEScontext* glesCtx,GLESVersion ver,ObjectNameManager* mngr):
31m_dpy(dpy),
32m_native(context),
33m_config(config),
34m_glesContext(glesCtx),
35m_read(NULL),
36m_draw(NULL),
37m_version(ver),
38m_mngr(mngr)
39{
40    m_shareGroup = shared_context.Ptr()?
41                   mngr->attachShareGroup(context,shared_context->nativeType()):
42                   mngr->createShareGroup(context);
43    m_hndl = ++s_nextContextHndl;
44}
45
46EglContext::~EglContext()
47{
48
49    //
50    // remove the context in the underlying OS layer
51    //
52    EglOS::destroyContext(m_dpy->nativeType(),m_native);
53
54    //
55    // call the client-api to remove the GLES context
56    //
57    g_eglInfo->getIface(version())->deleteGLESContext(m_glesContext);
58
59    if (m_mngr)
60    {
61        m_mngr->deleteShareGroup(m_native);
62    }
63}
64
65void EglContext::setSurfaces(SurfacePtr read,SurfacePtr draw)
66{
67    m_read = read;
68    m_draw = draw;
69}
70
71bool EglContext::getAttrib(EGLint attrib,EGLint* value) {
72    switch(attrib) {
73    case EGL_CONFIG_ID:
74        *value = m_config->id();
75        break;
76    default:
77        return false;
78    }
79    return true;
80}
81
82bool EglContext::attachImage(unsigned int imageId,ImagePtr img){
83   if(m_attachedImages.find(imageId) == m_attachedImages.end()){
84       m_attachedImages[imageId] = img;
85       return true;
86   }
87   return false;
88}
89
90void EglContext::detachImage(unsigned int imageId){
91    m_attachedImages.erase(imageId);
92}
93
94