85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*
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* Copyright (C) 2018 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 TNT_FILAMENT_FILAMESHIO_FILAMESH_H
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#define TNT_FILAMENT_FILAMESHIO_FILAMESH_H
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#include <filament/Box.h>
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namespace filamesh {
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using Box = filament::Box;
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static const char MAGICID[] { 'F', 'I', 'L', 'A', 'M', 'E', 'S', 'H' };
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static const uint32_t VERSION = 1;
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enum IndexType : uint32_t {
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UI32 = 0,
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UI16 = 1,
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};
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enum Flags : uint32_t {
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INTERLEAVED = 1 << 0,
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TEXCOORD_SNORM16 = 1 << 1,
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COMPRESSION = 1 << 2,
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};
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// Each of these fields specifies a number of bytes within the compressed data. This is ignored
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// when the INTERLEAVED flag is enabled.
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struct CompressionHeader {
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uint32_t positions;
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uint32_t tangents;
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uint32_t colors;
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uint32_t uv0;
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uint32_t uv1;
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};
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struct Header {
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uint32_t version;
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uint32_t parts;
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Box aabb;
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uint32_t flags;
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uint32_t offsetPosition;
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uint32_t stridePosition;
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uint32_t offsetTangents;
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uint32_t strideTangents;
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uint32_t offsetColor;
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uint32_t strideColor;
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uint32_t offsetUV0;
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uint32_t strideUV0;
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uint32_t offsetUV1;
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uint32_t strideUV1;
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uint32_t vertexCount;
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uint32_t vertexSize;
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uint32_t indexType;
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uint32_t indexCount;
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uint32_t indexSize;
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};
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struct Part {
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uint32_t offset;
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uint32_t indexCount;
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uint32_t minIndex;
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uint32_t maxIndex;
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uint32_t material;
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Box aabb;
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};
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} // namespace filamesh
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#endif // TNT_FILAMENT_FILAMESHIO_FILAMESH_H
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