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