Import EGL/GLES translator

external/android-emugl/host/libs/Translator/EGL/EglContext.cpp

@@ -0,0 +1,96 @@
+/*
+* 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);
+}
+