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      1 /*
      2  * Copyright (C) 2013 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 #include "rsContext.h"
     18 
     19 #ifndef RS_SERVER
     20 #include "system/graphics.h"
     21 #endif
     22 
     23 using namespace android;
     24 using namespace android::renderscript;
     25 
     26 Type::Type(Context *rsc) : ObjectBase(rsc) {
     27     memset(&mHal, 0, sizeof(mHal));
     28     mDimLOD = false;
     29 }
     30 
     31 void Type::preDestroy() const {
     32     for (uint32_t ct = 0; ct < mRSC->mStateType.mTypes.size(); ct++) {
     33         if (mRSC->mStateType.mTypes[ct] == this) {
     34             mRSC->mStateType.mTypes.removeAt(ct);
     35             break;
     36         }
     37     }
     38 }
     39 
     40 Type::~Type() {
     41     clear();
     42 }
     43 
     44 void Type::clear() {
     45     if (mHal.state.lodCount) {
     46         delete [] mHal.state.lodDimX;
     47         delete [] mHal.state.lodDimY;
     48         delete [] mHal.state.lodDimZ;
     49         delete [] mHal.state.lodOffset;
     50     }
     51     mElement.clear();
     52     memset(&mHal, 0, sizeof(mHal));
     53 }
     54 
     55 TypeState::TypeState() {
     56 }
     57 
     58 TypeState::~TypeState() {
     59     rsAssert(!mTypes.size());
     60 }
     61 
     62 size_t Type::getOffsetForFace(uint32_t face) const {
     63     rsAssert(mHal.state.faces);
     64     return 0;
     65 }
     66 
     67 void Type::compute() {
     68     uint32_t oldLODCount = mHal.state.lodCount;
     69     if (mDimLOD) {
     70         uint32_t l2x = rsFindHighBit(mHal.state.dimX) + 1;
     71         uint32_t l2y = rsFindHighBit(mHal.state.dimY) + 1;
     72         uint32_t l2z = rsFindHighBit(mHal.state.dimZ) + 1;
     73 
     74         mHal.state.lodCount = rsMax(l2x, l2y);
     75         mHal.state.lodCount = rsMax(mHal.state.lodCount, l2z);
     76     } else {
     77         mHal.state.lodCount = 1;
     78     }
     79     if (mHal.state.lodCount != oldLODCount) {
     80         if (oldLODCount) {
     81             delete [] mHal.state.lodDimX;
     82             delete [] mHal.state.lodDimY;
     83             delete [] mHal.state.lodDimZ;
     84             delete [] mHal.state.lodOffset;
     85         }
     86         mHal.state.lodDimX = new uint32_t[mHal.state.lodCount];
     87         mHal.state.lodDimY = new uint32_t[mHal.state.lodCount];
     88         mHal.state.lodDimZ = new uint32_t[mHal.state.lodCount];
     89         mHal.state.lodOffset = new uint32_t[mHal.state.lodCount];
     90     }
     91 
     92     uint32_t tx = mHal.state.dimX;
     93     uint32_t ty = mHal.state.dimY;
     94     uint32_t tz = mHal.state.dimZ;
     95     size_t offset = 0;
     96     for (uint32_t lod=0; lod < mHal.state.lodCount; lod++) {
     97         mHal.state.lodDimX[lod] = tx;
     98         mHal.state.lodDimY[lod] = ty;
     99         mHal.state.lodDimZ[lod]  = tz;
    100         mHal.state.lodOffset[lod] = offset;
    101         offset += tx * rsMax(ty, 1u) * rsMax(tz, 1u) * mElement->getSizeBytes();
    102         if (tx > 1) tx >>= 1;
    103         if (ty > 1) ty >>= 1;
    104         if (tz > 1) tz >>= 1;
    105     }
    106 
    107     // At this point the offset is the size of a mipmap chain;
    108     mMipChainSizeBytes = offset;
    109 
    110     if (mHal.state.faces) {
    111         offset *= 6;
    112     }
    113 #ifndef RS_SERVER
    114     // YUV only supports basic 2d
    115     // so we can stash the plane pointers in the mipmap levels.
    116     if (mHal.state.dimYuv) {
    117         switch(mHal.state.dimYuv) {
    118         case HAL_PIXEL_FORMAT_YV12:
    119             mHal.state.lodOffset[1] = offset;
    120             mHal.state.lodDimX[1] = mHal.state.lodDimX[0] / 2;
    121             mHal.state.lodDimY[1] = mHal.state.lodDimY[0] / 2;
    122             offset += offset / 4;
    123             mHal.state.lodOffset[2] = offset;
    124             mHal.state.lodDimX[2] = mHal.state.lodDimX[0] / 2;
    125             mHal.state.lodDimY[2] = mHal.state.lodDimY[0] / 2;
    126             offset += offset / 4;
    127             break;
    128         case HAL_PIXEL_FORMAT_YCrCb_420_SP:  // NV21
    129             mHal.state.lodOffset[1] = offset;
    130             mHal.state.lodDimX[1] = mHal.state.lodDimX[0];
    131             mHal.state.lodDimY[1] = mHal.state.lodDimY[0] / 2;
    132             offset += offset / 2;
    133             break;
    134         default:
    135             rsAssert(0);
    136         }
    137     }
    138 #endif
    139     mTotalSizeBytes = offset;
    140     mHal.state.element = mElement.get();
    141 }
    142 
    143 uint32_t Type::getLODOffset(uint32_t lod, uint32_t x) const {
    144     uint32_t offset = mHal.state.lodOffset[lod];
    145     offset += x * mElement->getSizeBytes();
    146     return offset;
    147 }
    148 
    149 uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const {
    150     uint32_t offset = mHal.state.lodOffset[lod];
    151     offset += (x + y * mHal.state.lodDimX[lod]) * mElement->getSizeBytes();
    152     return offset;
    153 }
    154 
    155 uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const {
    156     uint32_t offset = mHal.state.lodOffset[lod];
    157     offset += (x +
    158                y * mHal.state.lodDimX[lod] +
    159                z * mHal.state.lodDimX[lod] * mHal.state.lodDimY[lod]) * mElement->getSizeBytes();
    160     return offset;
    161 }
    162 
    163 uint32_t Type::getLODFaceOffset(uint32_t lod, RsAllocationCubemapFace face,
    164                                 uint32_t x, uint32_t y) const {
    165     uint32_t offset = mHal.state.lodOffset[lod];
    166     offset += (x + y * mHal.state.lodDimX[lod]) * mElement->getSizeBytes();
    167 
    168     if (face != 0) {
    169         uint32_t faceOffset = getSizeBytes() / 6;
    170         offset += faceOffset * face;
    171     }
    172     return offset;
    173 }
    174 
    175 void Type::dumpLOGV(const char *prefix) const {
    176     char buf[1024];
    177     ObjectBase::dumpLOGV(prefix);
    178     ALOGV("%s   Type: x=%u y=%u z=%u mip=%i face=%i", prefix,
    179                                                       mHal.state.dimX,
    180                                                       mHal.state.dimY,
    181                                                       mHal.state.dimZ,
    182                                                       mHal.state.lodCount,
    183                                                       mHal.state.faces);
    184     snprintf(buf, sizeof(buf), "%s element: ", prefix);
    185     mElement->dumpLOGV(buf);
    186 }
    187 
    188 void Type::serialize(Context *rsc, OStream *stream) const {
    189     // Need to identify ourselves
    190     stream->addU32((uint32_t)getClassId());
    191 
    192     String8 name(getName());
    193     stream->addString(&name);
    194 
    195     mElement->serialize(rsc, stream);
    196 
    197     stream->addU32(mHal.state.dimX);
    198     stream->addU32(mHal.state.dimY);
    199     stream->addU32(mHal.state.dimZ);
    200 
    201     stream->addU8((uint8_t)(mHal.state.lodCount ? 1 : 0));
    202     stream->addU8((uint8_t)(mHal.state.faces ? 1 : 0));
    203 }
    204 
    205 Type *Type::createFromStream(Context *rsc, IStream *stream) {
    206     // First make sure we are reading the correct object
    207     RsA3DClassID classID = (RsA3DClassID)stream->loadU32();
    208     if (classID != RS_A3D_CLASS_ID_TYPE) {
    209         ALOGE("type loading skipped due to invalid class id\n");
    210         return NULL;
    211     }
    212 
    213     String8 name;
    214     stream->loadString(&name);
    215 
    216     Element *elem = Element::createFromStream(rsc, stream);
    217     if (!elem) {
    218         return NULL;
    219     }
    220 
    221     uint32_t x = stream->loadU32();
    222     uint32_t y = stream->loadU32();
    223     uint32_t z = stream->loadU32();
    224     uint8_t lod = stream->loadU8();
    225     uint8_t faces = stream->loadU8();
    226     Type *type = Type::getType(rsc, elem, x, y, z, lod != 0, faces !=0, 0);
    227     elem->decUserRef();
    228     return type;
    229 }
    230 
    231 bool Type::getIsNp2() const {
    232     uint32_t x = getDimX();
    233     uint32_t y = getDimY();
    234     uint32_t z = getDimZ();
    235 
    236     if (x && (x & (x-1))) {
    237         return true;
    238     }
    239     if (y && (y & (y-1))) {
    240         return true;
    241     }
    242     if (z && (z & (z-1))) {
    243         return true;
    244     }
    245     return false;
    246 }
    247 
    248 ObjectBaseRef<Type> Type::getTypeRef(Context *rsc, const Element *e,
    249                                      uint32_t dimX, uint32_t dimY, uint32_t dimZ,
    250                                      bool dimLOD, bool dimFaces, uint32_t dimYuv) {
    251     ObjectBaseRef<Type> returnRef;
    252 
    253     TypeState * stc = &rsc->mStateType;
    254 
    255     ObjectBase::asyncLock();
    256     for (uint32_t ct=0; ct < stc->mTypes.size(); ct++) {
    257         Type *t = stc->mTypes[ct];
    258         if (t->getElement() != e) continue;
    259         if (t->getDimX() != dimX) continue;
    260         if (t->getDimY() != dimY) continue;
    261         if (t->getDimZ() != dimZ) continue;
    262         if (t->getDimLOD() != dimLOD) continue;
    263         if (t->getDimFaces() != dimFaces) continue;
    264         if (t->getDimYuv() != dimYuv) continue;
    265         returnRef.set(t);
    266         ObjectBase::asyncUnlock();
    267         return returnRef;
    268     }
    269     ObjectBase::asyncUnlock();
    270 
    271 
    272     Type *nt = new Type(rsc);
    273     nt->mDimLOD = dimLOD;
    274     returnRef.set(nt);
    275     nt->mElement.set(e);
    276     nt->mHal.state.dimX = dimX;
    277     nt->mHal.state.dimY = dimY;
    278     nt->mHal.state.dimZ = dimZ;
    279     nt->mHal.state.faces = dimFaces;
    280     nt->mHal.state.dimYuv = dimYuv;
    281     nt->compute();
    282 
    283     ObjectBase::asyncLock();
    284     stc->mTypes.push(nt);
    285     ObjectBase::asyncUnlock();
    286 
    287     return returnRef;
    288 }
    289 
    290 ObjectBaseRef<Type> Type::cloneAndResize1D(Context *rsc, uint32_t dimX) const {
    291     return getTypeRef(rsc, mElement.get(), dimX,
    292                       getDimY(), getDimZ(), getDimLOD(), getDimFaces(), getDimYuv());
    293 }
    294 
    295 ObjectBaseRef<Type> Type::cloneAndResize2D(Context *rsc,
    296                               uint32_t dimX,
    297                               uint32_t dimY) const {
    298     return getTypeRef(rsc, mElement.get(), dimX, dimY,
    299                       getDimZ(), getDimLOD(), getDimFaces(), getDimYuv());
    300 }
    301 
    302 
    303 void Type::incRefs(const void *ptr, size_t ct, size_t startOff) const {
    304     const uint8_t *p = static_cast<const uint8_t *>(ptr);
    305     const Element *e = mHal.state.element;
    306     uint32_t stride = e->getSizeBytes();
    307 
    308     p += stride * startOff;
    309     while (ct > 0) {
    310         e->incRefs(p);
    311         ct--;
    312         p += stride;
    313     }
    314 }
    315 
    316 
    317 void Type::decRefs(const void *ptr, size_t ct, size_t startOff) const {
    318     if (!mHal.state.element->getHasReferences()) {
    319         return;
    320     }
    321     const uint8_t *p = static_cast<const uint8_t *>(ptr);
    322     const Element *e = mHal.state.element;
    323     uint32_t stride = e->getSizeBytes();
    324 
    325     p += stride * startOff;
    326     while (ct > 0) {
    327         e->decRefs(p);
    328         ct--;
    329         p += stride;
    330     }
    331 }
    332 
    333 
    334 //////////////////////////////////////////////////
    335 //
    336 namespace android {
    337 namespace renderscript {
    338 
    339 RsType rsi_TypeCreate(Context *rsc, RsElement _e, uint32_t dimX,
    340                      uint32_t dimY, uint32_t dimZ, bool mips, bool faces, uint32_t yuv) {
    341     Element *e = static_cast<Element *>(_e);
    342 
    343     return Type::getType(rsc, e, dimX, dimY, dimZ, mips, faces, yuv);
    344 }
    345 
    346 }
    347 }
    348 
    349 void rsaTypeGetNativeData(RsContext con, RsType type, uintptr_t *typeData, uint32_t typeDataSize) {
    350     rsAssert(typeDataSize == 6);
    351     // Pack the data in the follofing way mHal.state.dimX; mHal.state.dimY; mHal.state.dimZ;
    352     // mHal.state.lodCount; mHal.state.faces; mElement; into typeData
    353     Type *t = static_cast<Type *>(type);
    354 
    355     (*typeData++) = t->getDimX();
    356     (*typeData++) = t->getDimY();
    357     (*typeData++) = t->getDimZ();
    358     (*typeData++) = t->getDimLOD() ? 1 : 0;
    359     (*typeData++) = t->getDimFaces() ? 1 : 0;
    360     (*typeData++) = (uintptr_t)t->getElement();
    361     t->getElement()->incUserRef();
    362 }
    363