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Jason Samsa5597fc2009-07-08 18:01:53 -07001/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_RS_FILE_A3D_H
18#define ANDROID_RS_FILE_A3D_H
19
Jason Samsa5597fc2009-07-08 18:01:53 -070020#include "rsMesh.h"
21
Alex Sakhartchoukfb6b6142010-05-21 12:53:13 -070022#include "rsStream.h"
Jason Samsa5597fc2009-07-08 18:01:53 -070023#include <stdio.h>
24
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070025#define A3D_MAGIC_KEY "Android3D_ff"
26
Jason Samsa5597fc2009-07-08 18:01:53 -070027// ---------------------------------------------------------------------------
28namespace android {
Jason Samsa6ab26a2012-03-28 17:44:21 -070029 class Asset;
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070030
Jason Samsa5597fc2009-07-08 18:01:53 -070031namespace renderscript {
32
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080033class FileA3D : public ObjectBase {
Jason Samsa5597fc2009-07-08 18:01:53 -070034public:
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070035 FileA3D(Context *rsc);
Jason Samsa5597fc2009-07-08 18:01:53 -070036 ~FileA3D();
37
38 uint32_t mMajorVersion;
39 uint32_t mMinorVersion;
40 uint64_t mIndexOffset;
41 uint64_t mStringTableOffset;
42 bool mUse64BitOffsets;
43
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070044 class A3DIndexEntry {
Jason Sams48ecf6a2013-07-09 15:35:29 -070045 const char *mObjectName;
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070046 RsA3DClassID mType;
Jason Samsa5597fc2009-07-08 18:01:53 -070047 uint64_t mOffset;
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070048 uint64_t mLength;
49 ObjectBase *mRsObj;
50 public:
51 friend class FileA3D;
Jason Sams48ecf6a2013-07-09 15:35:29 -070052 const char *getObjectName() const {
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070053 return mObjectName;
54 }
55 RsA3DClassID getType() const {
56 return mType;
57 }
Jason Sams48ecf6a2013-07-09 15:35:29 -070058
59 ~A3DIndexEntry();
Jason Samsa5597fc2009-07-08 18:01:53 -070060 };
61
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070062 bool load(FILE *f);
Alex Sakhartchouk5224a272011-01-07 11:12:08 -080063 bool load(Asset *asset);
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070064 bool load(const void *data, size_t length);
65
66 size_t getNumIndexEntries() const;
67 const A3DIndexEntry* getIndexEntry(size_t index) const;
68 ObjectBase *initializeFromEntry(size_t index);
Alex Sakhartchoukfb6b6142010-05-21 12:53:13 -070069
Jason Samse3150cf2012-07-24 18:10:20 -070070 void appendToFile(Context *rsc, ObjectBase *obj);
Alex Sakhartchoukfb6b6142010-05-21 12:53:13 -070071 bool writeFile(const char *filename);
Jason Samsa5597fc2009-07-08 18:01:53 -070072
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070073 // Currently files do not get serialized,
74 // but we need to inherit from ObjectBase for ref tracking
Jason Samse3150cf2012-07-24 18:10:20 -070075 virtual void serialize(Context *rsc, OStream *stream) const {
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070076 }
77 virtual RsA3DClassID getClassId() const {
78 return RS_A3D_CLASS_ID_UNKNOWN;
79 }
80
Jason Samsa5597fc2009-07-08 18:01:53 -070081protected:
Jason Samsa5597fc2009-07-08 18:01:53 -070082
Alex Sakhartchoukb825f672010-06-04 10:06:50 -070083 void parseHeader(IStream *headerStream);
84
Jason Samsa5597fc2009-07-08 18:01:53 -070085 const uint8_t * mData;
86 void * mAlloc;
87 uint64_t mDataSize;
Alex Sakhartchouk5224a272011-01-07 11:12:08 -080088 Asset *mAsset;
Jason Samsa5597fc2009-07-08 18:01:53 -070089
Alex Sakhartchoukfb6b6142010-05-21 12:53:13 -070090 OStream *mWriteStream;
91 Vector<A3DIndexEntry*> mWriteIndex;
Jason Samsa5597fc2009-07-08 18:01:53 -070092
Alex Sakhartchoukfb6b6142010-05-21 12:53:13 -070093 IStream *mReadStream;
94 Vector<A3DIndexEntry*> mIndex;
Jason Samsa5597fc2009-07-08 18:01:53 -070095};
96
97
98}
99}
100#endif //ANDROID_RS_FILE_A3D_H
101
102