65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (C) 2022 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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#ifndef UBERZ_WRITABLE_ARCHIVE_H
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#define UBERZ_WRITABLE_ARCHIVE_H
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#include <filament/MaterialEnums.h>
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#include <uberz/ArchiveEnums.h>
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#include <utils/FixedCapacityVector.h>
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#include <utils/CString.h>
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#include <string_view>
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#include <tsl/robin_map.h>
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namespace filament::uberz {
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// Precompiled set of materials bundled with a list of features flags that each material supports.
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// This is the writeable counterpart to ReadableArchive.
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// Users do not need to access this class directly, they should go through gltfio.
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class WritableArchive {
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public:
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WritableArchive(size_t materialCount) : mMaterials(materialCount) {}
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void addMaterial(const char* name, const uint8_t* package, size_t packageSize);
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void addSpecLine(std::string_view line);
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utils::FixedCapacityVector<uint8_t> serialize() const;
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// Low-level alternatives to addSpecLine that do not involve parsing:
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void setShadingModel(Shading sm);
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void setBlendingModel(BlendingMode bm);
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void setFeatureFlag(const char* key, ArchiveFeature value);
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private:
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size_t mLineNumber = 1;
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ssize_t mMaterialIndex = -1;
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struct Material {
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utils::CString name;
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utils::FixedCapacityVector<uint8_t> package;
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Shading shadingModel;
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BlendingMode blendingMode;
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tsl::robin_map<utils::CString, ArchiveFeature, utils::CString::Hasher> flags;
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};
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utils::FixedCapacityVector<Material> mMaterials;
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};
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} // namespace filament::uberz
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#endif // UBERZ_WRITABLE_ARCHIVE_H
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