-
Notifications
You must be signed in to change notification settings - Fork 0
/
rsFileA3D.cpp
467 lines (393 loc) · 13.1 KB
/
rsFileA3D.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "rsContext.h"
#include "rsFileA3D.h"
#include "rsMesh.h"
#include "rsAnimation.h"
#include "rs.h"
#if !defined(__RS_PDK__)
#include <androidfw/Asset.h>
#endif
using namespace android;
using namespace android::renderscript;
FileA3D::FileA3D(Context *rsc) : ObjectBase(rsc) {
mAlloc = NULL;
mData = NULL;
mWriteStream = NULL;
mReadStream = NULL;
mAsset = NULL;
mMajorVersion = 0;
mMinorVersion = 1;
mDataSize = 0;
}
FileA3D::~FileA3D() {
for (size_t i = 0; i < mIndex.size(); i ++) {
delete mIndex[i];
}
for (size_t i = 0; i < mWriteIndex.size(); i ++) {
delete mWriteIndex[i];
}
if (mWriteStream) {
delete mWriteStream;
}
if (mReadStream) {
delete mWriteStream;
}
if (mAlloc) {
free(mAlloc);
}
if (mAsset) {
#if !defined(__RS_PDK__)
delete mAsset;
#endif
}
}
void FileA3D::parseHeader(IStream *headerStream) {
mMajorVersion = headerStream->loadU32();
mMinorVersion = headerStream->loadU32();
uint32_t flags = headerStream->loadU32();
mUse64BitOffsets = (flags & 1) != 0;
uint32_t numIndexEntries = headerStream->loadU32();
for (uint32_t i = 0; i < numIndexEntries; i ++) {
A3DIndexEntry *entry = new A3DIndexEntry();
headerStream->loadString(&entry->mObjectName);
//ALOGV("Header data, entry name = %s", entry->mObjectName.string());
entry->mType = (RsA3DClassID)headerStream->loadU32();
if (mUse64BitOffsets){
entry->mOffset = headerStream->loadOffset();
entry->mLength = headerStream->loadOffset();
} else {
entry->mOffset = headerStream->loadU32();
entry->mLength = headerStream->loadU32();
}
entry->mRsObj = NULL;
mIndex.push(entry);
}
}
bool FileA3D::load(Asset *asset) {
#if !defined(__RS_PDK__)
mAsset = asset;
return load(asset->getBuffer(false), asset->getLength());
#else
return false;
#endif
}
bool FileA3D::load(const void *data, size_t length) {
const uint8_t *localData = (const uint8_t *)data;
size_t lengthRemaining = length;
size_t magicStrLen = 12;
if ((length < magicStrLen) ||
memcmp(data, "Android3D_ff", magicStrLen)) {
return false;
}
localData += magicStrLen;
lengthRemaining -= magicStrLen;
// Next we get our header size
uint64_t headerSize = 0;
if (lengthRemaining < sizeof(headerSize)) {
return false;
}
memcpy(&headerSize, localData, sizeof(headerSize));
localData += sizeof(headerSize);
lengthRemaining -= sizeof(headerSize);
if (lengthRemaining < headerSize) {
return false;
}
// Now open the stream to parse the header
IStream headerStream(localData, false);
parseHeader(&headerStream);
localData += headerSize;
lengthRemaining -= headerSize;
if (lengthRemaining < sizeof(mDataSize)) {
return false;
}
// Read the size of the data
memcpy(&mDataSize, localData, sizeof(mDataSize));
localData += sizeof(mDataSize);
lengthRemaining -= sizeof(mDataSize);
if (lengthRemaining < mDataSize) {
return false;
}
// We should know enough to read the file in at this point.
mData = (uint8_t *)localData;
mReadStream = new IStream(mData, mUse64BitOffsets);
return true;
}
bool FileA3D::load(FILE *f) {
char magicString[12];
size_t len;
ALOGV("file open 1");
len = fread(magicString, 1, 12, f);
if ((len != 12) ||
memcmp(magicString, "Android3D_ff", 12)) {
return false;
}
// Next thing is the size of the header
uint64_t headerSize = 0;
len = fread(&headerSize, 1, sizeof(headerSize), f);
if (len != sizeof(headerSize) || headerSize == 0) {
return false;
}
uint8_t *headerData = (uint8_t *)malloc(headerSize);
if (!headerData) {
return false;
}
len = fread(headerData, 1, headerSize, f);
if (len != headerSize) {
return false;
}
// Now open the stream to parse the header
IStream headerStream(headerData, false);
parseHeader(&headerStream);
free(headerData);
// Next thing is the size of the header
len = fread(&mDataSize, 1, sizeof(mDataSize), f);
if (len != sizeof(mDataSize) || mDataSize == 0) {
return false;
}
ALOGV("file open size = %lli", mDataSize);
// We should know enough to read the file in at this point.
mAlloc = malloc(mDataSize);
if (!mAlloc) {
return false;
}
mData = (uint8_t *)mAlloc;
len = fread(mAlloc, 1, mDataSize, f);
if (len != mDataSize) {
return false;
}
mReadStream = new IStream(mData, mUse64BitOffsets);
ALOGV("Header is read an stream initialized");
return true;
}
size_t FileA3D::getNumIndexEntries() const {
return mIndex.size();
}
const FileA3D::A3DIndexEntry *FileA3D::getIndexEntry(size_t index) const {
if (index < mIndex.size()) {
return mIndex[index];
}
return NULL;
}
ObjectBase *FileA3D::initializeFromEntry(size_t index) {
if (index >= mIndex.size()) {
return NULL;
}
FileA3D::A3DIndexEntry *entry = mIndex[index];
if (!entry) {
return NULL;
}
if (entry->mRsObj) {
entry->mRsObj->incUserRef();
return entry->mRsObj;
}
// Seek to the beginning of object
mReadStream->reset(entry->mOffset);
switch (entry->mType) {
case RS_A3D_CLASS_ID_UNKNOWN:
return NULL;
case RS_A3D_CLASS_ID_MESH:
entry->mRsObj = Mesh::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_TYPE:
entry->mRsObj = Type::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_ELEMENT:
entry->mRsObj = Element::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_ALLOCATION:
entry->mRsObj = Allocation::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_PROGRAM_VERTEX:
//entry->mRsObj = ProgramVertex::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_PROGRAM_RASTER:
//entry->mRsObj = ProgramRaster::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_PROGRAM_FRAGMENT:
//entry->mRsObj = ProgramFragment::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_PROGRAM_STORE:
//entry->mRsObj = ProgramStore::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_SAMPLER:
//entry->mRsObj = Sampler::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_ANIMATION:
//entry->mRsObj = Animation::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_ADAPTER_1D:
//entry->mRsObj = Adapter1D::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_ADAPTER_2D:
//entry->mRsObj = Adapter2D::createFromStream(mRSC, mReadStream);
break;
case RS_A3D_CLASS_ID_SCRIPT_C:
break;
}
if (entry->mRsObj) {
entry->mRsObj->incUserRef();
}
return entry->mRsObj;
}
bool FileA3D::writeFile(const char *filename) {
if (!mWriteStream) {
ALOGE("No objects to write\n");
return false;
}
if (mWriteStream->getPos() == 0) {
ALOGE("No objects to write\n");
return false;
}
FILE *writeHandle = fopen(filename, "wb");
if (!writeHandle) {
ALOGE("Couldn't open the file for writing\n");
return false;
}
// Open a new stream to make writing the header easier
OStream headerStream(5*1024, false);
headerStream.addU32(mMajorVersion);
headerStream.addU32(mMinorVersion);
uint32_t is64Bit = 0;
headerStream.addU32(is64Bit);
uint32_t writeIndexSize = mWriteIndex.size();
headerStream.addU32(writeIndexSize);
for (uint32_t i = 0; i < writeIndexSize; i ++) {
headerStream.addString(&mWriteIndex[i]->mObjectName);
headerStream.addU32((uint32_t)mWriteIndex[i]->mType);
if (mUse64BitOffsets){
headerStream.addOffset(mWriteIndex[i]->mOffset);
headerStream.addOffset(mWriteIndex[i]->mLength);
} else {
uint32_t offset = (uint32_t)mWriteIndex[i]->mOffset;
headerStream.addU32(offset);
offset = (uint32_t)mWriteIndex[i]->mLength;
headerStream.addU32(offset);
}
}
// Write our magic string so we know we are reading the right file
String8 magicString(A3D_MAGIC_KEY);
fwrite(magicString.string(), sizeof(char), magicString.size(), writeHandle);
// Store the size of the header to make it easier to parse when we read it
uint64_t headerSize = headerStream.getPos();
fwrite(&headerSize, sizeof(headerSize), 1, writeHandle);
// Now write our header
fwrite(headerStream.getPtr(), sizeof(uint8_t), headerStream.getPos(), writeHandle);
// Now write the size of the data part of the file for easier parsing later
uint64_t fileDataSize = mWriteStream->getPos();
fwrite(&fileDataSize, sizeof(fileDataSize), 1, writeHandle);
fwrite(mWriteStream->getPtr(), sizeof(uint8_t), mWriteStream->getPos(), writeHandle);
int status = fclose(writeHandle);
if (status != 0) {
ALOGE("Couldn't close file\n");
return false;
}
return true;
}
void FileA3D::appendToFile(ObjectBase *obj) {
if (!obj) {
return;
}
if (!mWriteStream) {
const uint64_t initialStreamSize = 256*1024;
mWriteStream = new OStream(initialStreamSize, false);
}
A3DIndexEntry *indexEntry = new A3DIndexEntry();
indexEntry->mObjectName.setTo(obj->getName());
indexEntry->mType = obj->getClassId();
indexEntry->mOffset = mWriteStream->getPos();
indexEntry->mRsObj = obj;
mWriteIndex.push(indexEntry);
obj->serialize(mWriteStream);
indexEntry->mLength = mWriteStream->getPos() - indexEntry->mOffset;
mWriteStream->align(4);
}
RsObjectBase rsaFileA3DGetEntryByIndex(RsContext con, uint32_t index, RsFile file) {
FileA3D *fa3d = static_cast<FileA3D *>(file);
if (!fa3d) {
ALOGE("Can't load entry. No valid file");
return NULL;
}
ObjectBase *obj = fa3d->initializeFromEntry(index);
//ALOGV("Returning object with name %s", obj->getName());
return obj;
}
void rsaFileA3DGetNumIndexEntries(RsContext con, int32_t *numEntries, RsFile file) {
FileA3D *fa3d = static_cast<FileA3D *>(file);
if (fa3d) {
*numEntries = fa3d->getNumIndexEntries();
} else {
*numEntries = 0;
}
}
void rsaFileA3DGetIndexEntries(RsContext con, RsFileIndexEntry *fileEntries, uint32_t numEntries, RsFile file) {
FileA3D *fa3d = static_cast<FileA3D *>(file);
if (!fa3d) {
ALOGE("Can't load index entries. No valid file");
return;
}
uint32_t numFileEntries = fa3d->getNumIndexEntries();
if (numFileEntries != numEntries || numEntries == 0 || fileEntries == NULL) {
ALOGE("Can't load index entries. Invalid number requested");
return;
}
for (uint32_t i = 0; i < numFileEntries; i ++) {
const FileA3D::A3DIndexEntry *entry = fa3d->getIndexEntry(i);
fileEntries[i].classID = entry->getType();
fileEntries[i].objectName = entry->getObjectName().string();
}
}
RsFile rsaFileA3DCreateFromMemory(RsContext con, const void *data, uint32_t len) {
if (data == NULL) {
ALOGE("File load failed. Asset stream is NULL");
return NULL;
}
Context *rsc = static_cast<Context *>(con);
FileA3D *fa3d = new FileA3D(rsc);
fa3d->incUserRef();
fa3d->load(data, len);
return fa3d;
}
RsFile rsaFileA3DCreateFromAsset(RsContext con, void *_asset) {
#if !defined(__RS_PDK__)
Context *rsc = static_cast<Context *>(con);
Asset *asset = static_cast<Asset *>(_asset);
FileA3D *fa3d = new FileA3D(rsc);
fa3d->incUserRef();
fa3d->load(asset);
return fa3d;
#else
return NULL;
#endif
}
RsFile rsaFileA3DCreateFromFile(RsContext con, const char *path) {
if (path == NULL) {
ALOGE("File load failed. Path is NULL");
return NULL;
}
Context *rsc = static_cast<Context *>(con);
FileA3D *fa3d = NULL;
FILE *f = fopen(path, "rb");
if (f) {
fa3d = new FileA3D(rsc);
fa3d->incUserRef();
fa3d->load(f);
fclose(f);
} else {
ALOGE("Could not open file %s", path);
}
return fa3d;
}