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Diffstat (limited to 'indra/newview/gltf/accessor.h')
-rw-r--r-- | indra/newview/gltf/accessor.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/indra/newview/gltf/accessor.h b/indra/newview/gltf/accessor.h new file mode 100644 index 0000000000..6849cd8609 --- /dev/null +++ b/indra/newview/gltf/accessor.h @@ -0,0 +1,99 @@ +#pragma once + +/** + * @file asset.h + * @brief LL GLTF Implementation + * + * $LicenseInfo:firstyear=2024&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2024, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "../lltinygltfhelper.h" +#include "llstrider.h" + +// LL GLTF Implementation +namespace LL +{ + namespace GLTF + { + class Asset; + + constexpr S32 INVALID_INDEX = -1; + + class Buffer + { + public: + std::vector<U8> mData; + std::string mName; + std::string mUri; + + // erase the given range from this buffer. + // also updates all buffer views in given asset that reference this buffer + void erase(Asset& asset, S32 offset, S32 length); + + const Buffer& operator=(const tinygltf::Buffer& src); + }; + + class BufferView + { + public: + S32 mBuffer = INVALID_INDEX; + S32 mByteLength; + S32 mByteOffset; + S32 mByteStride; + S32 mTarget; + S32 mComponentType; + + std::string mName; + + const BufferView& operator=(const tinygltf::BufferView& src); + + }; + + class Accessor + { + public: + S32 mBufferView = INVALID_INDEX; + S32 mByteOffset; + S32 mComponentType; + S32 mCount; + std::vector<double> mMax; + std::vector<double> mMin; + + enum class Type : S32 + { + SCALAR = TINYGLTF_TYPE_SCALAR, + VEC2 = TINYGLTF_TYPE_VEC2, + VEC3 = TINYGLTF_TYPE_VEC3, + VEC4 = TINYGLTF_TYPE_VEC4, + MAT2 = TINYGLTF_TYPE_MAT2, + MAT3 = TINYGLTF_TYPE_MAT3, + MAT4 = TINYGLTF_TYPE_MAT4 + }; + + S32 mType; + bool mNormalized; + std::string mName; + + const Accessor& operator=(const tinygltf::Accessor& src); + }; + } +} |