55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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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 "SpirvRemapWrapper.h"
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#include <SPVRemapper.h>
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#include <utils/Log.h>
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#include <utils/ostream.h>
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#include <string>
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namespace filamat {
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void SpirvRemapWrapperSetUp() {
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// SPIRV error handler registration should occur only once.
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// Construct this SpirvRemapWrapper object only once.
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spv::spirvbin_t::registerErrorHandler([](const std::string& str) {
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utils::slog.e << str << utils::io::endl;
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});
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// Similar to above, we need to do a no-op remap to init a static
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// table in the remapper before the jobs start using remap().
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spv::spirvbin_t remapper(0);
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// We need to provide at least a valid header to not crash.
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std::vector<uint32_t> spirv {
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0x07230203,// MAGIC
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0, // VERSION
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0, // GENERATOR
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0, // BOUND
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0 // SCHEMA, must be 0
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};
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remapper.remap(spirv, 0);
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}
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void SpirvRemapWrapperRemap(std::vector<uint32_t>& spirv) {
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// Remove dead module-level objects: functions, types, vars
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spv::spirvbin_t remapper(0);
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remapper.remap(spirv, spv::spirvbin_base_t::DCE_ALL);
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}
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} // namespace filamat
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