80 lines
2.1 KiB
C++
80 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_READABLE_ARCHIVE_H
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#define UBERZ_READABLE_ARCHIVE_H
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#include <stdint.h>
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#include <uberz/ArchiveEnums.h>
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#include <filament/MaterialEnums.h>
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namespace filament::uberz {
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// ArchiveSpec is a parse-free binary format. The client simply casts a word-aligned content blob
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// into a ReadableArchive struct pointer, then calls the following function to convert all the
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// offset fields into pointers.
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void convertOffsetsToPointers(struct ReadableArchive* archive);
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UTILS_WARNING_PUSH
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UTILS_WARNING_ENABLE_PADDED
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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 readable counterpart to WriteableArchive.
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// Used by gltfio; users do not need to access this class directly.
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struct ReadableArchive {
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uint32_t magic;
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uint32_t version;
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uint64_t specsCount;
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union {
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struct ArchiveSpec* specs;
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uint64_t specsOffset;
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};
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};
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static constexpr Shading INVALID_SHADING_MODEL = (Shading) 0xff;
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static constexpr BlendingMode INVALID_BLENDING = (BlendingMode) 0xff;
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struct ArchiveSpec {
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Shading shadingModel;
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BlendingMode blendingMode;
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uint16_t flagsCount;
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uint32_t packageByteCount;
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union {
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struct ArchiveFlag* flags;
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uint64_t flagsOffset;
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};
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union {
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uint8_t* package;
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uint64_t packageOffset;
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};
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};
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struct ArchiveFlag {
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union {
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const char* name;
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uint64_t nameOffset;
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};
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ArchiveFeature value;
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};
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UTILS_WARNING_POP
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} // namespace filament::uberz
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#endif // UBERZ_READABLE_ARCHIVE_H
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