rsAllocation.cpp revision e3929c9bc6f3897e132304faf1b40c3cf1f47474 
1/*
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#ifndef ANDROID_RS_BUILD_FOR_HOST
17#include "rsContext.h"
18
19#include <GLES/gl.h>
20#include <GLES2/gl2.h>
21#include <GLES/glext.h>
22#else
23#include "rsContextHostStub.h"
24
25#include <OpenGL/gl.h>
26#include <OpenGl/glext.h>
27#endif
28
29using namespace android;
30using namespace android::renderscript;
31
32Allocation::Allocation(Context *rsc, const Type *type) : ObjectBase(rsc)
33{
34    init(rsc, type);
35
36    mPtr = malloc(mType->getSizeBytes());
37    if (!mPtr) {
38        LOGE("Allocation::Allocation, alloc failure");
39    }
40}
41
42Allocation::Allocation(Context *rsc, const Type *type, void *bmp,
43                       void *callbackData, RsBitmapCallback_t callback)
44: ObjectBase(rsc)
45{
46    init(rsc, type);
47
48    mPtr = bmp;
49    mUserBitmapCallback = callback;
50    mUserBitmapCallbackData = callbackData;
51}
52
53void Allocation::init(Context *rsc, const Type *type)
54{
55    mAllocFile = __FILE__;
56    mAllocLine = __LINE__;
57    mPtr = NULL;
58
59    mCpuWrite = false;
60    mCpuRead = false;
61    mGpuWrite = false;
62    mGpuRead = false;
63
64    mReadWriteRatio = 0;
65    mUpdateSize = 0;
66
67    mIsTexture = false;
68    mTextureID = 0;
69    mIsVertexBuffer = false;
70    mBufferID = 0;
71    mUploadDefered = false;
72
73    mUserBitmapCallback = NULL;
74    mUserBitmapCallbackData = NULL;
75
76    mType.set(type);
77    rsAssert(type);
78
79    mPtr = NULL;
80}
81
82Allocation::~Allocation()
83{
84    if (mUserBitmapCallback != NULL) {
85        mUserBitmapCallback(mUserBitmapCallbackData);
86    } else {
87        free(mPtr);
88    }
89    mPtr = NULL;
90
91    if (mBufferID) {
92        // Causes a SW crash....
93        //LOGV(" mBufferID %i", mBufferID);
94        //glDeleteBuffers(1, &mBufferID);
95        //mBufferID = 0;
96    }
97    if (mTextureID) {
98        glDeleteTextures(1, &mTextureID);
99        mTextureID = 0;
100    }
101}
102
103void Allocation::setCpuWritable(bool)
104{
105}
106
107void Allocation::setGpuWritable(bool)
108{
109}
110
111void Allocation::setCpuReadable(bool)
112{
113}
114
115void Allocation::setGpuReadable(bool)
116{
117}
118
119bool Allocation::fixAllocation()
120{
121    return false;
122}
123
124void Allocation::deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset)
125{
126    rsAssert(lodOffset < mType->getLODCount());
127    mIsTexture = true;
128    mTextureLOD = lodOffset;
129    mUploadDefered = true;
130    mTextureGenMipmap = !mType->getDimLOD() && genMipmap;
131}
132
133void Allocation::uploadToTexture(const Context *rsc)
134{
135    //rsAssert(!mTextureId);
136
137    mIsTexture = true;
138    if (!rsc->checkDriver()) {
139        mUploadDefered = true;
140        return;
141    }
142
143    GLenum type = mType->getElement()->getComponent().getGLType();
144    GLenum format = mType->getElement()->getComponent().getGLFormat();
145
146    if (!type || !format) {
147        return;
148    }
149
150    if (!mTextureID) {
151        glGenTextures(1, &mTextureID);
152
153        if (!mTextureID) {
154            // This should not happen, however, its likely the cause of the
155            // white sqare bug.
156            // Force a crash to 1: restart the app, 2: make sure we get a bugreport.
157            LOGE("Upload to texture failed to gen mTextureID");
158            rsc->dumpDebug();
159            mUploadDefered = true;
160            return;
161        }
162    }
163    glBindTexture(GL_TEXTURE_2D, mTextureID);
164    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
165
166    Adapter2D adapt(getContext(), this);
167    for(uint32_t lod = 0; (lod + mTextureLOD) < mType->getLODCount(); lod++) {
168        adapt.setLOD(lod+mTextureLOD);
169
170        uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
171        glTexImage2D(GL_TEXTURE_2D, lod, format,
172                     adapt.getDimX(), adapt.getDimY(),
173                     0, format, type, ptr);
174    }
175    if (mTextureGenMipmap) {
176#ifndef ANDROID_RS_BUILD_FOR_HOST
177        glGenerateMipmap(GL_TEXTURE_2D);
178#endif //ANDROID_RS_BUILD_FOR_HOST
179    }
180
181    rsc->checkError("Allocation::uploadToTexture");
182}
183
184void Allocation::deferedUploadToBufferObject(const Context *rsc)
185{
186    mIsVertexBuffer = true;
187    mUploadDefered = true;
188}
189
190void Allocation::uploadToBufferObject(const Context *rsc)
191{
192    rsAssert(!mType->getDimY());
193    rsAssert(!mType->getDimZ());
194
195    mIsVertexBuffer = true;
196    if (!rsc->checkDriver()) {
197        mUploadDefered = true;
198        return;
199    }
200
201    if (!mBufferID) {
202        glGenBuffers(1, &mBufferID);
203    }
204    if (!mBufferID) {
205        LOGE("Upload to buffer object failed");
206        mUploadDefered = true;
207        return;
208    }
209
210    glBindBuffer(GL_ARRAY_BUFFER, mBufferID);
211    glBufferData(GL_ARRAY_BUFFER, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
212    glBindBuffer(GL_ARRAY_BUFFER, 0);
213    rsc->checkError("Allocation::uploadToBufferObject");
214}
215
216void Allocation::uploadCheck(const Context *rsc)
217{
218    if (mUploadDefered) {
219        mUploadDefered = false;
220        if (mIsVertexBuffer) {
221            uploadToBufferObject(rsc);
222        }
223        if (mIsTexture) {
224            uploadToTexture(rsc);
225        }
226    }
227}
228
229
230void Allocation::data(const void *data, uint32_t sizeBytes)
231{
232    uint32_t size = mType->getSizeBytes();
233    if (size != sizeBytes) {
234        LOGE("Allocation::data called with mismatched size expected %i, got %i", size, sizeBytes);
235        return;
236    }
237
238    if (mType->getElement()->getHasReferences()) {
239        incRefs(data, sizeBytes / mType->getElement()->getSizeBytes());
240        decRefs(mPtr, sizeBytes / mType->getElement()->getSizeBytes());
241    }
242
243    memcpy(mPtr, data, size);
244    sendDirty();
245    mUploadDefered = true;
246}
247
248void Allocation::read(void *data)
249{
250    memcpy(data, mPtr, mType->getSizeBytes());
251}
252
253void Allocation::subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
254{
255    uint32_t eSize = mType->getElementSizeBytes();
256    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
257    ptr += eSize * xoff;
258    uint32_t size = count * eSize;
259
260    if (size != sizeBytes) {
261        LOGE("Allocation::subData called with mismatched size expected %i, got %i", size, sizeBytes);
262        mType->dumpLOGV("type info");
263        return;
264    }
265
266    if (mType->getElement()->getHasReferences()) {
267        incRefs(data, count);
268        decRefs(ptr, count);
269    }
270
271    memcpy(ptr, data, size);
272    sendDirty();
273    mUploadDefered = true;
274}
275
276void Allocation::subData(uint32_t xoff, uint32_t yoff,
277             uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
278{
279    uint32_t eSize = mType->getElementSizeBytes();
280    uint32_t lineSize = eSize * w;
281    uint32_t destW = mType->getDimX();
282
283    const uint8_t *src = static_cast<const uint8_t *>(data);
284    uint8_t *dst = static_cast<uint8_t *>(mPtr);
285    dst += eSize * (xoff + yoff * destW);
286
287    if ((lineSize * eSize * h) != sizeBytes) {
288        rsAssert(!"Allocation::subData called with mismatched size");
289        return;
290    }
291
292    for (uint32_t line=yoff; line < (yoff+h); line++) {
293        uint8_t * ptr = static_cast<uint8_t *>(mPtr);
294        if (mType->getElement()->getHasReferences()) {
295            incRefs(src, w);
296            decRefs(dst, w);
297        }
298        memcpy(dst, src, lineSize);
299        src += lineSize;
300        dst += destW * eSize;
301    }
302    sendDirty();
303    mUploadDefered = true;
304}
305
306void Allocation::subData(uint32_t xoff, uint32_t yoff, uint32_t zoff,
307             uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes)
308{
309}
310
311void Allocation::addProgramToDirty(const Program *p)
312{
313    mToDirtyList.push(p);
314}
315
316void Allocation::removeProgramToDirty(const Program *p)
317{
318    for (size_t ct=0; ct < mToDirtyList.size(); ct++) {
319        if (mToDirtyList[ct] == p) {
320            mToDirtyList.removeAt(ct);
321            return;
322        }
323    }
324    rsAssert(0);
325}
326
327void Allocation::dumpLOGV(const char *prefix) const
328{
329    ObjectBase::dumpLOGV(prefix);
330
331    String8 s(prefix);
332    s.append(" type ");
333    if (mType.get()) {
334        mType->dumpLOGV(s.string());
335    }
336
337    LOGV("%s allocation ptr=%p mCpuWrite=%i, mCpuRead=%i, mGpuWrite=%i, mGpuRead=%i",
338          prefix, mPtr, mCpuWrite, mCpuRead, mGpuWrite, mGpuRead);
339
340    LOGV("%s allocation mIsTexture=%i mTextureID=%i, mIsVertexBuffer=%i, mBufferID=%i",
341          prefix, mIsTexture, mTextureID, mIsVertexBuffer, mBufferID);
342
343}
344
345void Allocation::serialize(OStream *stream) const
346{
347    // Need to identify ourselves
348    stream->addU32((uint32_t)getClassId());
349
350    String8 name(getName());
351    stream->addString(&name);
352
353    // First thing we need to serialize is the type object since it will be needed
354    // to initialize the class
355    mType->serialize(stream);
356
357    uint32_t dataSize = mType->getSizeBytes();
358    // Write how much data we are storing
359    stream->addU32(dataSize);
360    // Now write the data
361    stream->addByteArray(mPtr, dataSize);
362}
363
364Allocation *Allocation::createFromStream(Context *rsc, IStream *stream)
365{
366    // First make sure we are reading the correct object
367    RsA3DClassID classID = (RsA3DClassID)stream->loadU32();
368    if(classID != RS_A3D_CLASS_ID_ALLOCATION) {
369        LOGE("allocation loading skipped due to invalid class id\n");
370        return NULL;
371    }
372
373    String8 name;
374    stream->loadString(&name);
375
376    Type *type = Type::createFromStream(rsc, stream);
377    if(!type) {
378        return NULL;
379    }
380    type->compute();
381
382    // Number of bytes we wrote out for this allocation
383    uint32_t dataSize = stream->loadU32();
384    if(dataSize != type->getSizeBytes()) {
385        LOGE("failed to read allocation because numbytes written is not the same loaded type wants\n");
386        delete type;
387        return NULL;
388    }
389
390    Allocation *alloc = new Allocation(rsc, type);
391    alloc->setName(name.string(), name.size());
392
393    // Read in all of our allocation data
394    stream->loadByteArray(alloc->getPtr(), dataSize);
395
396    return alloc;
397}
398
399void Allocation::sendDirty() const
400{
401    for (size_t ct=0; ct < mToDirtyList.size(); ct++) {
402        mToDirtyList[ct]->forceDirty();
403    }
404}
405
406void Allocation::incRefs(const void *ptr, size_t ct) const
407{
408    const uint8_t *p = static_cast<const uint8_t *>(ptr);
409    const Element *e = mType->getElement();
410    uint32_t stride = e->getSizeBytes();
411
412    while (ct > 0) {
413        e->incRefs(p);
414        ct --;
415        p += stride;
416    }
417}
418
419void Allocation::decRefs(const void *ptr, size_t ct) const
420{
421    const uint8_t *p = static_cast<const uint8_t *>(ptr);
422    const Element *e = mType->getElement();
423    uint32_t stride = e->getSizeBytes();
424
425    while (ct > 0) {
426        e->decRefs(p);
427        ct --;
428        p += stride;
429    }
430}
431
432/////////////////
433//
434
435
436namespace android {
437namespace renderscript {
438
439RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype)
440{
441    const Type * type = static_cast<const Type *>(vtype);
442
443    Allocation * alloc = new Allocation(rsc, type);
444    alloc->incUserRef();
445    return alloc;
446}
447
448RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
449{
450    Type * type = new Type(rsc);
451    type->setDimX(count);
452    type->setElement(static_cast<Element *>(e));
453    type->compute();
454    return rsi_AllocationCreateTyped(rsc, type);
455}
456
457void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, bool genmip, uint32_t baseMipLevel)
458{
459    Allocation *alloc = static_cast<Allocation *>(va);
460    alloc->deferedUploadToTexture(rsc, genmip, baseMipLevel);
461}
462
463void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
464{
465    Allocation *alloc = static_cast<Allocation *>(va);
466    alloc->deferedUploadToBufferObject(rsc);
467}
468
469static void mip565(const Adapter2D &out, const Adapter2D &in)
470{
471    uint32_t w = out.getDimX();
472    uint32_t h = out.getDimY();
473
474    for (uint32_t y=0; y < h; y++) {
475        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
476        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
477        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
478
479        for (uint32_t x=0; x < w; x++) {
480            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
481            oPtr ++;
482            i1 += 2;
483            i2 += 2;
484        }
485    }
486}
487
488static void mip8888(const Adapter2D &out, const Adapter2D &in)
489{
490    uint32_t w = out.getDimX();
491    uint32_t h = out.getDimY();
492
493    for (uint32_t y=0; y < h; y++) {
494        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
495        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
496        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
497
498        for (uint32_t x=0; x < w; x++) {
499            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
500            oPtr ++;
501            i1 += 2;
502            i2 += 2;
503        }
504    }
505}
506
507static void mip8(const Adapter2D &out, const Adapter2D &in)
508{
509    uint32_t w = out.getDimX();
510    uint32_t h = out.getDimY();
511
512    for (uint32_t y=0; y < h; y++) {
513        uint8_t *oPtr = static_cast<uint8_t *>(out.getElement(0, y));
514        const uint8_t *i1 = static_cast<uint8_t *>(in.getElement(0, y*2));
515        const uint8_t *i2 = static_cast<uint8_t *>(in.getElement(0, y*2+1));
516
517        for (uint32_t x=0; x < w; x++) {
518            *oPtr = (uint8_t)(((uint32_t)i1[0] + i1[1] + i2[0] + i2[1]) * 0.25f);
519            oPtr ++;
520            i1 += 2;
521            i2 += 2;
522        }
523    }
524}
525
526static void mip(const Adapter2D &out, const Adapter2D &in)
527{
528    switch(out.getBaseType()->getElement()->getSizeBits()) {
529    case 32:
530        mip8888(out, in);
531        break;
532    case 16:
533        mip565(out, in);
534        break;
535    case 8:
536        mip8(out, in);
537        break;
538
539    }
540
541}
542
543typedef void (*ElementConverter_t)(void *dst, const void *src, uint32_t count);
544
545static void elementConverter_cpy_16(void *dst, const void *src, uint32_t count)
546{
547    memcpy(dst, src, count * 2);
548}
549static void elementConverter_cpy_8(void *dst, const void *src, uint32_t count)
550{
551    memcpy(dst, src, count);
552}
553static void elementConverter_cpy_32(void *dst, const void *src, uint32_t count)
554{
555    memcpy(dst, src, count * 4);
556}
557
558
559static void elementConverter_888_to_565(void *dst, const void *src, uint32_t count)
560{
561    uint16_t *d = static_cast<uint16_t *>(dst);
562    const uint8_t *s = static_cast<const uint8_t *>(src);
563
564    while(count--) {
565        *d = rs888to565(s[0], s[1], s[2]);
566        d++;
567        s+= 3;
568    }
569}
570
571static void elementConverter_8888_to_565(void *dst, const void *src, uint32_t count)
572{
573    uint16_t *d = static_cast<uint16_t *>(dst);
574    const uint8_t *s = static_cast<const uint8_t *>(src);
575
576    while(count--) {
577        *d = rs888to565(s[0], s[1], s[2]);
578        d++;
579        s+= 4;
580    }
581}
582
583static ElementConverter_t pickConverter(const Element *dst, const Element *src)
584{
585    GLenum srcGLType = src->getComponent().getGLType();
586    GLenum srcGLFmt = src->getComponent().getGLFormat();
587    GLenum dstGLType = dst->getComponent().getGLType();
588    GLenum dstGLFmt = dst->getComponent().getGLFormat();
589
590    if (srcGLFmt == dstGLFmt && srcGLType == dstGLType) {
591        switch(dst->getSizeBytes()) {
592        case 4:
593            return elementConverter_cpy_32;
594        case 2:
595            return elementConverter_cpy_16;
596        case 1:
597            return elementConverter_cpy_8;
598        }
599    }
600
601    if (srcGLType == GL_UNSIGNED_BYTE &&
602        srcGLFmt == GL_RGB &&
603        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
604        dstGLFmt == GL_RGB) {
605
606        return elementConverter_888_to_565;
607    }
608
609    if (srcGLType == GL_UNSIGNED_BYTE &&
610        srcGLFmt == GL_RGBA &&
611        dstGLType == GL_UNSIGNED_SHORT_5_6_5 &&
612        dstGLFmt == GL_RGB) {
613
614        return elementConverter_8888_to_565;
615    }
616
617    LOGE("pickConverter, unsuported combo, src %p,  dst %p", src, dst);
618    LOGE("pickConverter, srcGLType = %x,  srcGLFmt = %x", srcGLType, srcGLFmt);
619    LOGE("pickConverter, dstGLType = %x,  dstGLFmt = %x", dstGLType, dstGLFmt);
620    src->dumpLOGV("SRC ");
621    dst->dumpLOGV("DST ");
622    return 0;
623}
624
625#ifndef ANDROID_RS_BUILD_FOR_HOST
626
627RsAllocation rsi_AllocationCreateBitmapRef(Context *rsc, RsType vtype,
628                                           void *bmp, void *callbackData, RsBitmapCallback_t callback)
629{
630    const Type * type = static_cast<const Type *>(vtype);
631    Allocation * alloc = new Allocation(rsc, type, bmp, callbackData, callback);
632    alloc->incUserRef();
633    return alloc;
634}
635
636RsAllocation rsi_AllocationCreateFromBitmap(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src,  bool genMips, const void *data)
637{
638    const Element *src = static_cast<const Element *>(_src);
639    const Element *dst = static_cast<const Element *>(_dst);
640
641    // Check for pow2 on pre es 2.0 versions.
642    rsAssert(rsc->checkVersion2_0() || (!(w & (w-1)) && !(h & (h-1))));
643
644    //LOGE("rsi_AllocationCreateFromBitmap %i %i %i %i %i", w, h, dstFmt, srcFmt, genMips);
645    rsi_TypeBegin(rsc, _dst);
646    rsi_TypeAdd(rsc, RS_DIMENSION_X, w);
647    rsi_TypeAdd(rsc, RS_DIMENSION_Y, h);
648    if (genMips) {
649        rsi_TypeAdd(rsc, RS_DIMENSION_LOD, 1);
650    }
651    RsType type = rsi_TypeCreate(rsc);
652
653    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, type);
654    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
655    if (texAlloc == NULL) {
656        LOGE("Memory allocation failure");
657        return NULL;
658    }
659
660    ElementConverter_t cvt = pickConverter(dst, src);
661    cvt(texAlloc->getPtr(), data, w * h);
662
663    if (genMips) {
664        Adapter2D adapt(rsc, texAlloc);
665        Adapter2D adapt2(rsc, texAlloc);
666        for(uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
667            adapt.setLOD(lod);
668            adapt2.setLOD(lod + 1);
669            mip(adapt2, adapt);
670        }
671    }
672
673    return texAlloc;
674}
675
676RsAllocation rsi_AllocationCreateFromBitmapBoxed(Context *rsc, uint32_t w, uint32_t h, RsElement _dst, RsElement _src, bool genMips, const void *data)
677{
678    const Element *srcE = static_cast<const Element *>(_src);
679    const Element *dstE = static_cast<const Element *>(_dst);
680    uint32_t w2 = rsHigherPow2(w);
681    uint32_t h2 = rsHigherPow2(h);
682
683    if ((w2 == w) && (h2 == h)) {
684        return rsi_AllocationCreateFromBitmap(rsc, w, h, _dst, _src, genMips, data);
685    }
686
687    uint32_t bpp = srcE->getSizeBytes();
688    size_t size = w2 * h2 * bpp;
689    uint8_t *tmp = static_cast<uint8_t *>(malloc(size));
690    memset(tmp, 0, size);
691
692    const uint8_t * src = static_cast<const uint8_t *>(data);
693    for (uint32_t y = 0; y < h; y++) {
694        uint8_t * ydst = &tmp[(y + ((h2 - h) >> 1)) * w2 * bpp];
695        memcpy(&ydst[((w2 - w) >> 1) * bpp], src, w * bpp);
696        src += w * bpp;
697    }
698
699    RsAllocation ret = rsi_AllocationCreateFromBitmap(rsc, w2, h2, _dst, _src, genMips, tmp);
700    free(tmp);
701    return ret;
702}
703
704void rsi_AllocationData(Context *rsc, RsAllocation va, const void *data, uint32_t sizeBytes)
705{
706    Allocation *a = static_cast<Allocation *>(va);
707    a->data(data, sizeBytes);
708}
709
710void rsi_Allocation1DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes)
711{
712    Allocation *a = static_cast<Allocation *>(va);
713    a->subData(xoff, count, data, sizeBytes);
714}
715
716void rsi_Allocation2DSubData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes)
717{
718    Allocation *a = static_cast<Allocation *>(va);
719    a->subData(xoff, yoff, w, h, data, sizeBytes);
720}
721
722void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data)
723{
724    Allocation *a = static_cast<Allocation *>(va);
725    a->read(data);
726}
727
728const void* rsi_AllocationGetType(Context *rsc, RsAllocation va)
729{
730    Allocation *a = static_cast<Allocation *>(va);
731    a->getType()->incUserRef();
732
733    return a->getType();
734}
735
736#endif //ANDROID_RS_BUILD_FOR_HOST
737
738}
739}
740