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103 lines
2.5 KiB
103 lines
2.5 KiB
4 months ago
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/*
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* Copyright (C) 2009 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 ANDROID_RS_FILE_A3D_H
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#define ANDROID_RS_FILE_A3D_H
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#include "rsMesh.h"
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#include "rsStream.h"
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#include <stdio.h>
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#include <vector>
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#define A3D_MAGIC_KEY "Android3D_ff"
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// ---------------------------------------------------------------------------
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namespace android {
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class Asset;
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namespace renderscript {
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class FileA3D : public ObjectBase {
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public:
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explicit FileA3D(Context *rsc);
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~FileA3D();
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uint32_t mMajorVersion;
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uint32_t mMinorVersion;
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uint64_t mIndexOffset;
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uint64_t mStringTableOffset;
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bool mUse64BitOffsets;
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class A3DIndexEntry {
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const char *mObjectName;
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RsA3DClassID mType;
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uint64_t mOffset;
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uint64_t mLength;
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ObjectBase *mRsObj;
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public:
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friend class FileA3D;
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const char *getObjectName() const {
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return mObjectName;
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}
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RsA3DClassID getType() const {
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return mType;
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}
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~A3DIndexEntry();
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};
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bool load(FILE *f);
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bool load(Asset *asset);
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bool load(const void *data, size_t length);
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size_t getNumIndexEntries() const;
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const A3DIndexEntry* getIndexEntry(size_t index) const;
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ObjectBase *initializeFromEntry(size_t index);
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void appendToFile(Context *rsc, ObjectBase *obj);
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bool writeFile(const char *filename);
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// Currently files do not get serialized,
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// but we need to inherit from ObjectBase for ref tracking
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virtual void serialize(Context *rsc, OStream *stream) const {
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}
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virtual RsA3DClassID getClassId() const {
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return RS_A3D_CLASS_ID_UNKNOWN;
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}
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protected:
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void parseHeader(IStream *headerStream);
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const uint8_t * mData;
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void * mAlloc;
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uint64_t mDataSize;
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OStream *mWriteStream;
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std::vector<A3DIndexEntry*> mWriteIndex;
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IStream *mReadStream;
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std::vector<A3DIndexEntry*> mIndex;
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};
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} // namespace renderscript
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} // namespace android
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#endif //ANDROID_RS_FILE_A3D_H
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