92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
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/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
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*
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* Not a Contribution, Apache license notifications and license are retained
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* for attribution purposes only.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cutils/log.h>
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#include <fcntl.h>
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#include "egl_handles.h"
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#include <dlfcn.h>
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ANDROID_SINGLETON_STATIC_INSTANCE(qdutils::eglHandles);
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namespace qdutils {
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eglHandles::eglHandles(){
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LINK_eglGetRenderBufferANDROID = NULL ;
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LINK_eglGetCurrentSurface = NULL;
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egl_lib = NULL;
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openEglLibAndGethandle();
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updateEglHandles(egl_lib);
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}
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eglHandles::~eglHandles(){
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closeEglLib();
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}
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void eglHandles::updateEglHandles(void* egl_lib){
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if(egl_lib != NULL) {
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*(void **)&LINK_eglGetRenderBufferANDROID =
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::dlsym(egl_lib, "eglGetRenderBufferANDROID");
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*(void **)&LINK_eglGetCurrentSurface =
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::dlsym(egl_lib, "eglGetCurrentSurface");
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if(LINK_eglGetRenderBufferANDROID == NULL ||
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LINK_eglGetCurrentSurface == NULL)
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ALOGE(" %s::Unable to find symbols",__FUNCTION__) ;
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}else {
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LINK_eglGetRenderBufferANDROID = NULL;
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LINK_eglGetCurrentSurface = NULL;
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}
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}
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void eglHandles::openEglLibAndGethandle(){
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egl_lib = ::dlopen("libEGL_adreno200.so", RTLD_GLOBAL | RTLD_LAZY);
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if (!egl_lib) {
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ALOGE(" %s::Unable to open libEGL_adreno200",__FUNCTION__) ;
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}
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}
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android_native_buffer_t *
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eglHandles::getAndroidNativeRenderBuffer(EGLDisplay dpy){
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if(LINK_eglGetRenderBufferANDROID == NULL ||
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LINK_eglGetCurrentSurface == NULL){
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ALOGE("%s:: Unable to load or find the symbols ",__FUNCTION__);
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return NULL;
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}
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EGLSurface eglSurface = LINK_eglGetCurrentSurface(EGL_DRAW);
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android_native_buffer_t *renderBuffer =
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(android_native_buffer_t*)LINK_eglGetRenderBufferANDROID(dpy, eglSurface);
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return renderBuffer;
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}
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void eglHandles ::closeEglLib(){
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if(egl_lib)
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::dlclose(egl_lib);
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egl_lib = NULL;
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updateEglHandles(NULL);
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}
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};
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