blob: fcac3f80a22ae87491b445be6ef9a8eeef2b8681 [file] [log] [blame]
/*
* Copyright (C) 2017 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 "cpp/rsDispatch.h"
#include "rsFallbackAdaptation.h"
#include <log/log.h>
#include <dlfcn.h>
#undef LOG_TAG
#define LOG_TAG "RenderScript Graphics Fallback"
dispatchTable RsFallbackAdaptation::mEntryFuncs;
RsFallbackAdaptation::RsFallbackAdaptation()
{
void* handle = dlopen("libRS_internal.so", RTLD_LAZY | RTLD_LOCAL);
if (handle == NULL) {
ALOGE("couldn't dlopen %s.", dlerror());
return;
}
if (loadSymbols(handle, mEntryFuncs) == false) {
// If dispatch table initialization failed, the dispatch table
// will be reset, and calling function pointers of uninitialized
// dispatch table will crash the application.
ALOGE("Fallback dispatch table init failed!");
mEntryFuncs = {};
dlclose(handle);
}
}
RsFallbackAdaptation& RsFallbackAdaptation::GetInstance()
{
// This function-local-static guarantees the instance is a singleton. The
// constructor of RsHidlAdaptation will only be called when GetInstance is
// called for the first time.
static RsFallbackAdaptation instance;
return instance;
}
const dispatchTable* RsFallbackAdaptation::GetEntryFuncs()
{
return &mEntryFuncs;
}