Files
filament/libs/filamat/src/eiff/ChunkContainer.cpp
T
Powei Feng e8fe85ee89 filamat: make DryRunner in Flattener not static (#9872)
This enables multiple thread to use MaterialBuilder/Flattener at
the cost of allocating, deallocating a flattener.
2026-04-03 18:41:50 +00:00

42 lines
1.3 KiB
C++

/*
* 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 "ChunkContainer.h"
#include "Flattener.h"
namespace filamat {
// This call is relatively expensive since it performs a dry run of the flattering process,
// using a flattener that will calculate offets but will not write. It should be used only once
// when the container is about to be flattened.
size_t ChunkContainer::getSize() const {
auto flattener = Flattener::getDryRunner();
return flatten(flattener);
}
size_t ChunkContainer::flatten(Flattener& f) const {
for (const auto& chunk: mChildren) {
f.writeUint64(static_cast<uint64_t>(chunk->getType()));
f.writeSizePlaceholder();
chunk->flatten(f);
f.writeSize();
}
return f.getBytesWritten();
}
}