rsAllocation.cpp revision 236385b73f21ae65e756b9cb5738f1514d95ea3e 
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
29#include "utils/StopWatch.h"
30
31static void rsaAllocationGenerateScriptMips(RsContext con, RsAllocation va);
32
33using namespace android;
34using namespace android::renderscript;
35
36Allocation::Allocation(Context *rsc, const Type *type, uint32_t usages,
37                       RsAllocationMipmapControl mc)
38    : ObjectBase(rsc) {
39    init(rsc, type);
40
41    mUsageFlags = usages;
42    mMipmapControl = mc;
43
44    allocScriptMemory();
45    if (mType->getElement()->getHasReferences()) {
46        memset(mPtr, 0, mType->getSizeBytes());
47    }
48    if (!mPtr) {
49        LOGE("Allocation::Allocation, alloc failure");
50    }
51}
52
53
54void Allocation::init(Context *rsc, const Type *type) {
55    mPtr = NULL;
56
57    mCpuWrite = false;
58    mCpuRead = false;
59    mGpuWrite = false;
60    mGpuRead = false;
61
62    mReadWriteRatio = 0;
63    mUpdateSize = 0;
64    mUsageFlags = 0;
65    mMipmapControl = RS_ALLOCATION_MIPMAP_NONE;
66
67    mTextureID = 0;
68    mBufferID = 0;
69    mUploadDefered = false;
70
71    mUserBitmapCallback = NULL;
72    mUserBitmapCallbackData = NULL;
73
74    mType.set(type);
75    rsAssert(type);
76
77    mPtr = NULL;
78}
79
80Allocation::~Allocation() {
81    if (mUserBitmapCallback != NULL) {
82        mUserBitmapCallback(mUserBitmapCallbackData);
83        mPtr = NULL;
84    }
85    freeScriptMemory();
86
87    if (mBufferID) {
88        // Causes a SW crash....
89        //LOGV(" mBufferID %i", mBufferID);
90        //glDeleteBuffers(1, &mBufferID);
91        //mBufferID = 0;
92    }
93    if (mTextureID) {
94        glDeleteTextures(1, &mTextureID);
95        mTextureID = 0;
96    }
97}
98
99void Allocation::setCpuWritable(bool) {
100}
101
102void Allocation::setGpuWritable(bool) {
103}
104
105void Allocation::setCpuReadable(bool) {
106}
107
108void Allocation::setGpuReadable(bool) {
109}
110
111bool Allocation::fixAllocation() {
112    return false;
113}
114
115void Allocation::deferedUploadToTexture(const Context *rsc) {
116    mUsageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE;
117    mUploadDefered = true;
118}
119
120uint32_t Allocation::getGLTarget() const {
121    if (getIsTexture()) {
122        if (mType->getDimFaces()) {
123            return GL_TEXTURE_CUBE_MAP;
124        } else {
125            return GL_TEXTURE_2D;
126        }
127    }
128    if (getIsBufferObject()) {
129        return GL_ARRAY_BUFFER;
130    }
131    return 0;
132}
133
134void Allocation::allocScriptMemory() {
135    rsAssert(!mPtr);
136    mPtr = malloc(mType->getSizeBytes());
137}
138
139void Allocation::freeScriptMemory() {
140    if (mPtr) {
141        free(mPtr);
142        mPtr = NULL;
143    }
144}
145
146
147void Allocation::syncAll(Context *rsc, RsAllocationUsageType src) {
148    rsAssert(src == RS_ALLOCATION_USAGE_SCRIPT);
149
150    if (getIsTexture()) {
151        uploadToTexture(rsc);
152    }
153    if (getIsBufferObject()) {
154        uploadToBufferObject(rsc);
155    }
156
157    mUploadDefered = false;
158}
159
160void Allocation::uploadToTexture(const Context *rsc) {
161
162    mUsageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE;
163    GLenum type = mType->getElement()->getComponent().getGLType();
164    GLenum format = mType->getElement()->getComponent().getGLFormat();
165
166    if (!type || !format) {
167        return;
168    }
169
170    if (!mPtr) {
171        return;
172    }
173
174    bool isFirstUpload = false;
175
176    if (!mTextureID) {
177        glGenTextures(1, &mTextureID);
178
179        if (!mTextureID) {
180            // This should not happen, however, its likely the cause of the
181            // white sqare bug.
182            // Force a crash to 1: restart the app, 2: make sure we get a bugreport.
183            LOGE("Upload to texture failed to gen mTextureID");
184            rsc->dumpDebug();
185            mUploadDefered = true;
186            return;
187        }
188        isFirstUpload = true;
189    }
190
191    GLenum target = (GLenum)getGLTarget();
192    if (target == GL_TEXTURE_2D) {
193        upload2DTexture(isFirstUpload, mPtr);
194    } else if (target == GL_TEXTURE_CUBE_MAP) {
195        uploadCubeTexture(isFirstUpload);
196    }
197
198    if (!(mUsageFlags & RS_ALLOCATION_USAGE_SCRIPT)) {
199        freeScriptMemory();
200    }
201
202    rsc->checkError("Allocation::uploadToTexture");
203}
204
205void Allocation::update2DTexture(const void *ptr, uint32_t xoff, uint32_t yoff,
206                                 uint32_t lod, RsAllocationCubemapFace face,
207                                 uint32_t w, uint32_t h) {
208    GLenum type = mType->getElement()->getComponent().getGLType();
209    GLenum format = mType->getElement()->getComponent().getGLFormat();
210    GLenum target = (GLenum)getGLTarget();
211    glBindTexture(target, mTextureID);
212    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
213    glTexSubImage2D(GL_TEXTURE_2D, lod, xoff, yoff, w, h, format, type, ptr);
214}
215
216void Allocation::upload2DTexture(bool isFirstUpload, const void *ptr) {
217    GLenum type = mType->getElement()->getComponent().getGLType();
218    GLenum format = mType->getElement()->getComponent().getGLFormat();
219
220    GLenum target = (GLenum)getGLTarget();
221    glBindTexture(target, mTextureID);
222    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
223
224    for (uint32_t lod = 0; lod < mType->getLODCount(); lod++) {
225        const uint8_t *p = (const uint8_t *)ptr;
226        p += mType->getLODOffset(lod);
227
228        if (isFirstUpload) {
229            glTexImage2D(GL_TEXTURE_2D, lod, format,
230                         mType->getLODDimX(lod), mType->getLODDimY(lod),
231                         0, format, type, p);
232        } else {
233            glTexSubImage2D(GL_TEXTURE_2D, lod, 0, 0,
234                            mType->getLODDimX(lod), mType->getLODDimY(lod),
235                            format, type, p);
236        }
237    }
238
239    if (mMipmapControl == RS_ALLOCATION_MIPMAP_ON_SYNC_TO_TEXTURE) {
240#ifndef ANDROID_RS_BUILD_FOR_HOST
241        glGenerateMipmap(target);
242#endif //ANDROID_RS_BUILD_FOR_HOST
243    }
244}
245
246void Allocation::uploadCubeTexture(bool isFirstUpload) {
247    GLenum type = mType->getElement()->getComponent().getGLType();
248    GLenum format = mType->getElement()->getComponent().getGLFormat();
249
250    GLenum target = (GLenum)getGLTarget();
251    glBindTexture(target, mTextureID);
252    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
253
254    GLenum faceOrder[] = {
255        GL_TEXTURE_CUBE_MAP_POSITIVE_X,
256        GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
257        GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
258        GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
259        GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
260        GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
261    };
262
263    Adapter2D adapt(getContext(), this);
264    for (uint32_t face = 0; face < 6; face ++) {
265        adapt.setFace(face);
266
267        for (uint32_t lod = 0; lod < mType->getLODCount(); lod++) {
268            adapt.setLOD(lod);
269
270            uint16_t * ptr = static_cast<uint16_t *>(adapt.getElement(0,0));
271
272            if (isFirstUpload) {
273                glTexImage2D(faceOrder[face], lod, format,
274                             adapt.getDimX(), adapt.getDimY(),
275                             0, format, type, ptr);
276            } else {
277                glTexSubImage2D(faceOrder[face], lod, 0, 0,
278                                adapt.getDimX(), adapt.getDimY(),
279                                format, type, ptr);
280            }
281        }
282    }
283
284    if (mMipmapControl == RS_ALLOCATION_MIPMAP_ON_SYNC_TO_TEXTURE) {
285#ifndef ANDROID_RS_BUILD_FOR_HOST
286        glGenerateMipmap(target);
287#endif //ANDROID_RS_BUILD_FOR_HOST
288    }
289}
290
291void Allocation::deferedUploadToBufferObject(const Context *rsc) {
292    mUsageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_VERTEX;
293    mUploadDefered = true;
294}
295
296void Allocation::uploadToBufferObject(const Context *rsc) {
297    rsAssert(!mType->getDimY());
298    rsAssert(!mType->getDimZ());
299
300    mUsageFlags |= RS_ALLOCATION_USAGE_GRAPHICS_VERTEX;
301
302    if (!mBufferID) {
303        glGenBuffers(1, &mBufferID);
304    }
305    if (!mBufferID) {
306        LOGE("Upload to buffer object failed");
307        mUploadDefered = true;
308        return;
309    }
310    GLenum target = (GLenum)getGLTarget();
311    glBindBuffer(target, mBufferID);
312    glBufferData(target, mType->getSizeBytes(), getPtr(), GL_DYNAMIC_DRAW);
313    glBindBuffer(target, 0);
314    rsc->checkError("Allocation::uploadToBufferObject");
315}
316
317void Allocation::uploadCheck(Context *rsc) {
318    if (mUploadDefered) {
319        syncAll(rsc, RS_ALLOCATION_USAGE_SCRIPT);
320    }
321}
322
323void Allocation::read(void *data) {
324    memcpy(data, mPtr, mType->getSizeBytes());
325}
326
327void Allocation::data(Context *rsc, uint32_t xoff, uint32_t lod,
328                         uint32_t count, const void *data, uint32_t sizeBytes) {
329    uint32_t eSize = mType->getElementSizeBytes();
330    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
331    ptr += eSize * xoff;
332    uint32_t size = count * eSize;
333
334    if (size != sizeBytes) {
335        LOGE("Allocation::subData called with mismatched size expected %i, got %i", size, sizeBytes);
336        mType->dumpLOGV("type info");
337        return;
338    }
339
340    if (mType->getElement()->getHasReferences()) {
341        incRefs(data, count);
342        decRefs(ptr, count);
343    }
344
345    memcpy(ptr, data, size);
346    sendDirty();
347    mUploadDefered = true;
348}
349
350void Allocation::data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
351             uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes) {
352    uint32_t eSize = mType->getElementSizeBytes();
353    uint32_t lineSize = eSize * w;
354    uint32_t destW = mType->getDimX();
355
356    //LOGE("data2d %p,  %i %i %i %i %i %i %p %i", this, xoff, yoff, lod, face, w, h, data, sizeBytes);
357
358    if ((lineSize * h) != sizeBytes) {
359        LOGE("Allocation size mismatch, expected %i, got %i", (lineSize * h), sizeBytes);
360        rsAssert(!"Allocation::subData called with mismatched size");
361        return;
362    }
363
364    if (mPtr) {
365        const uint8_t *src = static_cast<const uint8_t *>(data);
366        uint8_t *dst = static_cast<uint8_t *>(mPtr);
367        dst += mType->getLODOffset(lod, xoff, yoff);
368
369        //LOGE("            %p  %p  %i  ", dst, src, eSize);
370        for (uint32_t line=yoff; line < (yoff+h); line++) {
371            if (mType->getElement()->getHasReferences()) {
372                incRefs(src, w);
373                decRefs(dst, w);
374            }
375            memcpy(dst, src, lineSize);
376            src += lineSize;
377            dst += destW * eSize;
378        }
379        sendDirty();
380        mUploadDefered = true;
381    } else {
382        update2DTexture(data, xoff, yoff, lod, face, w, h);
383    }
384}
385
386void Allocation::data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff,
387                      uint32_t lod, RsAllocationCubemapFace face,
388                      uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes) {
389}
390
391void Allocation::elementData(Context *rsc, uint32_t x, const void *data,
392                                uint32_t cIdx, uint32_t sizeBytes) {
393    uint32_t eSize = mType->getElementSizeBytes();
394    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
395    ptr += eSize * x;
396
397    if (cIdx >= mType->getElement()->getFieldCount()) {
398        LOGE("Error Allocation::subElementData component %i out of range.", cIdx);
399        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData component out of range.");
400        return;
401    }
402
403    if (x >= mType->getDimX()) {
404        LOGE("Error Allocation::subElementData X offset %i out of range.", x);
405        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData X offset out of range.");
406        return;
407    }
408
409    const Element * e = mType->getElement()->getField(cIdx);
410    ptr += mType->getElement()->getFieldOffsetBytes(cIdx);
411
412    if (sizeBytes != e->getSizeBytes()) {
413        LOGE("Error Allocation::subElementData data size %i does not match field size %i.", sizeBytes, e->getSizeBytes());
414        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData bad size.");
415        return;
416    }
417
418    if (e->getHasReferences()) {
419        e->incRefs(data);
420        e->decRefs(ptr);
421    }
422
423    memcpy(ptr, data, sizeBytes);
424    sendDirty();
425    mUploadDefered = true;
426}
427
428void Allocation::elementData(Context *rsc, uint32_t x, uint32_t y,
429                                const void *data, uint32_t cIdx, uint32_t sizeBytes) {
430    uint32_t eSize = mType->getElementSizeBytes();
431    uint8_t * ptr = static_cast<uint8_t *>(mPtr);
432    ptr += eSize * (x + y * mType->getDimX());
433
434    if (x >= mType->getDimX()) {
435        LOGE("Error Allocation::subElementData X offset %i out of range.", x);
436        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData X offset out of range.");
437        return;
438    }
439
440    if (y >= mType->getDimY()) {
441        LOGE("Error Allocation::subElementData X offset %i out of range.", x);
442        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData X offset out of range.");
443        return;
444    }
445
446    if (cIdx >= mType->getElement()->getFieldCount()) {
447        LOGE("Error Allocation::subElementData component %i out of range.", cIdx);
448        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData component out of range.");
449        return;
450    }
451
452    const Element * e = mType->getElement()->getField(cIdx);
453    ptr += mType->getElement()->getFieldOffsetBytes(cIdx);
454
455    if (sizeBytes != e->getSizeBytes()) {
456        LOGE("Error Allocation::subElementData data size %i does not match field size %i.", sizeBytes, e->getSizeBytes());
457        rsc->setError(RS_ERROR_BAD_VALUE, "subElementData bad size.");
458        return;
459    }
460
461    if (e->getHasReferences()) {
462        e->incRefs(data);
463        e->decRefs(ptr);
464    }
465
466    memcpy(ptr, data, sizeBytes);
467    sendDirty();
468    mUploadDefered = true;
469}
470
471void Allocation::addProgramToDirty(const Program *p) {
472    mToDirtyList.push(p);
473}
474
475void Allocation::removeProgramToDirty(const Program *p) {
476    for (size_t ct=0; ct < mToDirtyList.size(); ct++) {
477        if (mToDirtyList[ct] == p) {
478            mToDirtyList.removeAt(ct);
479            return;
480        }
481    }
482    rsAssert(0);
483}
484
485void Allocation::dumpLOGV(const char *prefix) const {
486    ObjectBase::dumpLOGV(prefix);
487
488    String8 s(prefix);
489    s.append(" type ");
490    if (mType.get()) {
491        mType->dumpLOGV(s.string());
492    }
493
494    LOGV("%s allocation ptr=%p mCpuWrite=%i, mCpuRead=%i, mGpuWrite=%i, mGpuRead=%i",
495          prefix, mPtr, mCpuWrite, mCpuRead, mGpuWrite, mGpuRead);
496
497    LOGV("%s allocation mUsageFlags=0x04%x, mMipmapControl=0x%04x, mTextureID=%i, mBufferID=%i",
498          prefix, mUsageFlags, mMipmapControl, mTextureID, mBufferID);
499}
500
501void Allocation::serialize(OStream *stream) const {
502    // Need to identify ourselves
503    stream->addU32((uint32_t)getClassId());
504
505    String8 name(getName());
506    stream->addString(&name);
507
508    // First thing we need to serialize is the type object since it will be needed
509    // to initialize the class
510    mType->serialize(stream);
511
512    uint32_t dataSize = mType->getSizeBytes();
513    // Write how much data we are storing
514    stream->addU32(dataSize);
515    // Now write the data
516    stream->addByteArray(mPtr, dataSize);
517}
518
519Allocation *Allocation::createFromStream(Context *rsc, IStream *stream) {
520    // First make sure we are reading the correct object
521    RsA3DClassID classID = (RsA3DClassID)stream->loadU32();
522    if (classID != RS_A3D_CLASS_ID_ALLOCATION) {
523        LOGE("allocation loading skipped due to invalid class id\n");
524        return NULL;
525    }
526
527    String8 name;
528    stream->loadString(&name);
529
530    Type *type = Type::createFromStream(rsc, stream);
531    if (!type) {
532        return NULL;
533    }
534    type->compute();
535
536    // Number of bytes we wrote out for this allocation
537    uint32_t dataSize = stream->loadU32();
538    if (dataSize != type->getSizeBytes()) {
539        LOGE("failed to read allocation because numbytes written is not the same loaded type wants\n");
540        ObjectBase::checkDelete(type);
541        return NULL;
542    }
543
544    Allocation *alloc = new Allocation(rsc, type, RS_ALLOCATION_USAGE_SCRIPT);
545    alloc->setName(name.string(), name.size());
546
547    uint32_t count = dataSize / type->getElementSizeBytes();
548
549    // Read in all of our allocation data
550    alloc->data(rsc, 0, 0, count, stream->getPtr() + stream->getPos(), dataSize);
551    stream->reset(stream->getPos() + dataSize);
552
553    return alloc;
554}
555
556void Allocation::sendDirty() const {
557    for (size_t ct=0; ct < mToDirtyList.size(); ct++) {
558        mToDirtyList[ct]->forceDirty();
559    }
560}
561
562void Allocation::incRefs(const void *ptr, size_t ct, size_t startOff) const {
563    const uint8_t *p = static_cast<const uint8_t *>(ptr);
564    const Element *e = mType->getElement();
565    uint32_t stride = e->getSizeBytes();
566
567    p += stride * startOff;
568    while (ct > 0) {
569        e->incRefs(p);
570        ct --;
571        p += stride;
572    }
573}
574
575void Allocation::decRefs(const void *ptr, size_t ct, size_t startOff) const {
576    const uint8_t *p = static_cast<const uint8_t *>(ptr);
577    const Element *e = mType->getElement();
578    uint32_t stride = e->getSizeBytes();
579
580    p += stride * startOff;
581    while (ct > 0) {
582        e->decRefs(p);
583        ct --;
584        p += stride;
585    }
586}
587
588void Allocation::copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len) {
589}
590
591void Allocation::resize1D(Context *rsc, uint32_t dimX) {
592    Type *t = mType->cloneAndResize1D(rsc, dimX);
593
594    uint32_t oldDimX = mType->getDimX();
595    if (dimX == oldDimX) {
596        return;
597    }
598
599    if (dimX < oldDimX) {
600        decRefs(mPtr, oldDimX - dimX, dimX);
601    }
602    mPtr = realloc(mPtr, t->getSizeBytes());
603
604    if (dimX > oldDimX) {
605        const Element *e = mType->getElement();
606        uint32_t stride = e->getSizeBytes();
607        memset(((uint8_t *)mPtr) + stride * oldDimX, 0, stride * (dimX - oldDimX));
608    }
609    mType.set(t);
610}
611
612void Allocation::resize2D(Context *rsc, uint32_t dimX, uint32_t dimY) {
613    LOGE("not implemented");
614}
615
616/////////////////
617//
618
619
620namespace android {
621namespace renderscript {
622
623void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, bool genmip, uint32_t baseMipLevel) {
624    Allocation *alloc = static_cast<Allocation *>(va);
625    alloc->deferedUploadToTexture(rsc);
626}
627
628void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va) {
629    Allocation *alloc = static_cast<Allocation *>(va);
630    alloc->deferedUploadToBufferObject(rsc);
631}
632
633static void mip565(const Adapter2D &out, const Adapter2D &in) {
634    uint32_t w = out.getDimX();
635    uint32_t h = out.getDimY();
636
637    for (uint32_t y=0; y < h; y++) {
638        uint16_t *oPtr = static_cast<uint16_t *>(out.getElement(0, y));
639        const uint16_t *i1 = static_cast<uint16_t *>(in.getElement(0, y*2));
640        const uint16_t *i2 = static_cast<uint16_t *>(in.getElement(0, y*2+1));
641
642        for (uint32_t x=0; x < w; x++) {
643            *oPtr = rsBoxFilter565(i1[0], i1[1], i2[0], i2[1]);
644            oPtr ++;
645            i1 += 2;
646            i2 += 2;
647        }
648    }
649}
650
651static void mip8888(const Adapter2D &out, const Adapter2D &in) {
652    uint32_t w = out.getDimX();
653    uint32_t h = out.getDimY();
654
655    for (uint32_t y=0; y < h; y++) {
656        uint32_t *oPtr = static_cast<uint32_t *>(out.getElement(0, y));
657        const uint32_t *i1 = static_cast<uint32_t *>(in.getElement(0, y*2));
658        const uint32_t *i2 = static_cast<uint32_t *>(in.getElement(0, y*2+1));
659
660        for (uint32_t x=0; x < w; x++) {
661            *oPtr = rsBoxFilter8888(i1[0], i1[1], i2[0], i2[1]);
662            oPtr ++;
663            i1 += 2;
664            i2 += 2;
665        }
666    }
667}
668
669static void mip8(const Adapter2D &out, const Adapter2D &in) {
670    uint32_t w = out.getDimX();
671    uint32_t h = out.getDimY();
672
673    for (uint32_t y=0; y < h; y++) {
674        uint8_t *oPtr = static_cast<uint8_t *>(out.getElement(0, y));
675        const uint8_t *i1 = static_cast<uint8_t *>(in.getElement(0, y*2));
676        const uint8_t *i2 = static_cast<uint8_t *>(in.getElement(0, y*2+1));
677
678        for (uint32_t x=0; x < w; x++) {
679            *oPtr = (uint8_t)(((uint32_t)i1[0] + i1[1] + i2[0] + i2[1]) * 0.25f);
680            oPtr ++;
681            i1 += 2;
682            i2 += 2;
683        }
684    }
685}
686
687static void mip(const Adapter2D &out, const Adapter2D &in) {
688    switch (out.getBaseType()->getElement()->getSizeBits()) {
689    case 32:
690        mip8888(out, in);
691        break;
692    case 16:
693        mip565(out, in);
694        break;
695    case 8:
696        mip8(out, in);
697        break;
698    }
699}
700
701#ifndef ANDROID_RS_BUILD_FOR_HOST
702
703void rsi_AllocationSyncAll(Context *rsc, RsAllocation va, RsAllocationUsageType src) {
704    Allocation *a = static_cast<Allocation *>(va);
705    a->syncAll(rsc, src);
706}
707
708void rsi_AllocationGenerateMipmaps(Context *rsc, RsAllocation va) {
709    Allocation *texAlloc = static_cast<Allocation *>(va);
710    rsaAllocationGenerateScriptMips(rsc, texAlloc);
711}
712
713void rsi_AllocationCopyToBitmap(Context *rsc, RsAllocation va, void *data, size_t dataLen) {
714    Allocation *texAlloc = static_cast<Allocation *>(va);
715    const Type * t = texAlloc->getType();
716
717    size_t s = t->getDimX() * t->getDimY() * t->getElementSizeBytes();
718    if (s != dataLen) {
719        rsc->setError(RS_ERROR_BAD_VALUE, "Bitmap size didn't match allocation size");
720        return;
721    }
722
723    memcpy(data, texAlloc->getPtr(), s);
724}
725
726void rsi_Allocation1DData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t lod,
727                          uint32_t count, const void *data, uint32_t sizeBytes) {
728    Allocation *a = static_cast<Allocation *>(va);
729    a->data(rsc, xoff, lod, count, data, sizeBytes);
730}
731
732void rsi_Allocation2DElementData(Context *rsc, RsAllocation va, uint32_t x, uint32_t y, uint32_t lod, RsAllocationCubemapFace face,
733                                 const void *data, uint32_t eoff, uint32_t sizeBytes) {
734    Allocation *a = static_cast<Allocation *>(va);
735    a->elementData(rsc, x, y, data, eoff, sizeBytes);
736}
737
738void rsi_Allocation1DElementData(Context *rsc, RsAllocation va, uint32_t x, uint32_t lod,
739                                 const void *data, uint32_t eoff, uint32_t sizeBytes) {
740    Allocation *a = static_cast<Allocation *>(va);
741    a->elementData(rsc, x, data, eoff, sizeBytes);
742}
743
744void rsi_Allocation2DData(Context *rsc, RsAllocation va, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
745                          uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes) {
746    Allocation *a = static_cast<Allocation *>(va);
747    a->data(rsc, xoff, yoff, lod, face, w, h, data, sizeBytes);
748}
749
750void rsi_AllocationRead(Context *rsc, RsAllocation va, void *data) {
751    Allocation *a = static_cast<Allocation *>(va);
752    a->read(data);
753}
754
755void rsi_AllocationResize1D(Context *rsc, RsAllocation va, uint32_t dimX) {
756    Allocation *a = static_cast<Allocation *>(va);
757    a->resize1D(rsc, dimX);
758}
759
760void rsi_AllocationResize2D(Context *rsc, RsAllocation va, uint32_t dimX, uint32_t dimY) {
761    Allocation *a = static_cast<Allocation *>(va);
762    a->resize2D(rsc, dimX, dimY);
763}
764
765#endif //ANDROID_RS_BUILD_FOR_HOST
766
767}
768}
769
770static void rsaAllocationGenerateScriptMips(RsContext con, RsAllocation va) {
771    Context *rsc = static_cast<Context *>(con);
772    Allocation *texAlloc = static_cast<Allocation *>(va);
773    uint32_t numFaces = texAlloc->getType()->getDimFaces() ? 6 : 1;
774    for (uint32_t face = 0; face < numFaces; face ++) {
775        Adapter2D adapt(rsc, texAlloc);
776        Adapter2D adapt2(rsc, texAlloc);
777        adapt.setFace(face);
778        adapt2.setFace(face);
779        for (uint32_t lod=0; lod < (texAlloc->getType()->getLODCount() -1); lod++) {
780            adapt.setLOD(lod);
781            adapt2.setLOD(lod + 1);
782            mip(adapt2, adapt);
783        }
784    }
785}
786
787const void * rsaAllocationGetType(RsContext con, RsAllocation va) {
788    Allocation *a = static_cast<Allocation *>(va);
789    a->getType()->incUserRef();
790
791    return a->getType();
792}
793
794RsAllocation rsaAllocationCreateTyped(RsContext con, RsType vtype,
795                                      RsAllocationMipmapControl mips,
796                                      uint32_t usages) {
797    Context *rsc = static_cast<Context *>(con);
798    Allocation * alloc = new Allocation(rsc, static_cast<Type *>(vtype), usages, mips);
799    alloc->incUserRef();
800    return alloc;
801}
802
803
804RsAllocation rsaAllocationCreateFromBitmap(RsContext con, RsType vtype,
805                                           RsAllocationMipmapControl mips,
806                                           const void *data, uint32_t usages) {
807    Context *rsc = static_cast<Context *>(con);
808    Type *t = static_cast<Type *>(vtype);
809
810    RsAllocation vTexAlloc = rsaAllocationCreateTyped(rsc, vtype, mips, usages);
811    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
812    if (texAlloc == NULL) {
813        LOGE("Memory allocation failure");
814        return NULL;
815    }
816
817    memcpy(texAlloc->getPtr(), data, t->getDimX() * t->getDimY() * t->getElementSizeBytes());
818    if (mips == RS_ALLOCATION_MIPMAP_FULL) {
819        rsaAllocationGenerateScriptMips(rsc, texAlloc);
820    }
821
822    texAlloc->deferedUploadToTexture(rsc);
823    return texAlloc;
824}
825
826RsAllocation rsaAllocationCubeCreateFromBitmap(RsContext con, RsType vtype,
827                                               RsAllocationMipmapControl mips,
828                                               const void *data, uint32_t usages) {
829    Context *rsc = static_cast<Context *>(con);
830    Type *t = static_cast<Type *>(vtype);
831
832    // Cubemap allocation's faces should be Width by Width each.
833    // Source data should have 6 * Width by Width pixels
834    // Error checking is done in the java layer
835    RsAllocation vTexAlloc = rsaAllocationCreateTyped(rsc, t, mips, usages);
836    Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
837    if (texAlloc == NULL) {
838        LOGE("Memory allocation failure");
839        return NULL;
840    }
841
842    uint32_t faceSize = t->getDimX();
843    uint32_t strideBytes = faceSize * 6 * t->getElementSizeBytes();
844    uint32_t copySize = faceSize * t->getElementSizeBytes();
845
846    uint8_t *sourcePtr = (uint8_t*)data;
847    for (uint32_t face = 0; face < 6; face ++) {
848        Adapter2D faceAdapter(rsc, texAlloc);
849        faceAdapter.setFace(face);
850
851        for (uint32_t dI = 0; dI < faceSize; dI ++) {
852            memcpy(faceAdapter.getElement(0, dI), sourcePtr + strideBytes * dI, copySize);
853        }
854
855        // Move the data pointer to the next cube face
856        sourcePtr += copySize;
857    }
858
859    if (mips == RS_ALLOCATION_MIPMAP_FULL) {
860        rsaAllocationGenerateScriptMips(rsc, texAlloc);
861    }
862
863    texAlloc->deferedUploadToTexture(rsc);
864    return texAlloc;
865}
866