rsType.cpp revision 032f3590daa7c255a0c20decf0c3b2bee949d8b8 
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
17#ifndef ANDROID_RS_BUILD_FOR_HOST
18#include "rsContext.h"
19#include <GLES/gl.h>
20#else
21#include "rsContextHostStub.h"
22#include <OpenGL/gl.h>
23#endif
24
25using namespace android;
26using namespace android::renderscript;
27
28Type::Type(Context *rsc) : ObjectBase(rsc)
29{
30    mAllocFile = __FILE__;
31    mAllocLine = __LINE__;
32    mLODs = 0;
33    mLODCount = 0;
34    clear();
35}
36
37Type::~Type()
38{
39    for (uint32_t ct = 0; ct < mRSC->mStateType.mTypes.size(); ct++) {
40        if (mRSC->mStateType.mTypes[ct] == this) {
41            mRSC->mStateType.mTypes.removeAt(ct);
42            break;
43        }
44    }
45    if (mLODs) {
46        delete [] mLODs;
47    }
48}
49
50void Type::clear()
51{
52    if (mLODs) {
53        delete [] mLODs;
54        mLODs = NULL;
55    }
56    mDimX = 0;
57    mDimY = 0;
58    mDimZ = 0;
59    mDimLOD = 0;
60    mFaces = false;
61    mElement.clear();
62}
63
64TypeState::TypeState()
65{
66}
67
68TypeState::~TypeState()
69{
70}
71
72size_t Type::getOffsetForFace(uint32_t face) const
73{
74    rsAssert(mFaces);
75    return 0;
76}
77
78void Type::compute()
79{
80    uint32_t oldLODCount = mLODCount;
81    if (mDimLOD) {
82        uint32_t l2x = rsFindHighBit(mDimX) + 1;
83        uint32_t l2y = rsFindHighBit(mDimY) + 1;
84        uint32_t l2z = rsFindHighBit(mDimZ) + 1;
85
86        mLODCount = rsMax(l2x, l2y);
87        mLODCount = rsMax(mLODCount, l2z);
88    } else {
89        mLODCount = 1;
90    }
91    if (mLODCount != oldLODCount) {
92        if(mLODs){
93            delete [] mLODs;
94        }
95        mLODs = new LOD[mLODCount];
96    }
97
98    uint32_t tx = mDimX;
99    uint32_t ty = mDimY;
100    uint32_t tz = mDimZ;
101    size_t offset = 0;
102    for (uint32_t lod=0; lod < mLODCount; lod++) {
103        mLODs[lod].mX = tx;
104        mLODs[lod].mY = ty;
105        mLODs[lod].mZ = tz;
106        mLODs[lod].mOffset = offset;
107        offset += tx * rsMax(ty, 1u) * rsMax(tz, 1u) * mElement->getSizeBytes();
108        if (tx > 1) tx >>= 1;
109        if (ty > 1) ty >>= 1;
110        if (tz > 1) tz >>= 1;
111    }
112
113    // At this point the offset is the size of a mipmap chain;
114    mMipChainSizeBytes = offset;
115
116    if (mFaces) {
117        offset *= 6;
118    }
119    mTotalSizeBytes = offset;
120
121    makeGLComponents();
122}
123
124uint32_t Type::getLODOffset(uint32_t lod, uint32_t x) const
125{
126    uint32_t offset = mLODs[lod].mOffset;
127    offset += x * mElement->getSizeBytes();
128    return offset;
129}
130
131uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const
132{
133    uint32_t offset = mLODs[lod].mOffset;
134    offset += (x + y * mLODs[lod].mX) * mElement->getSizeBytes();
135    return offset;
136}
137
138uint32_t Type::getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const
139{
140    uint32_t offset = mLODs[lod].mOffset;
141    offset += (x + y*mLODs[lod].mX + z*mLODs[lod].mX*mLODs[lod].mY) * mElement->getSizeBytes();
142    return offset;
143}
144
145
146void Type::makeGLComponents()
147{
148    if(getElement()->getFieldCount() >= RS_MAX_ATTRIBS) {
149        return;
150    }
151
152    uint32_t userNum = 0;
153
154    for (uint32_t ct=0; ct < getElement()->getFieldCount(); ct++) {
155        const Component &c = getElement()->getField(ct)->getComponent();
156
157        mAttribs[userNum].size = c.getVectorSize();
158        mAttribs[userNum].offset = mElement->getFieldOffsetBytes(ct);
159        mAttribs[userNum].type = c.getGLType();
160        mAttribs[userNum].normalized = c.getType() != RS_TYPE_FLOAT_32;//c.getIsNormalized();
161        mAttribs[userNum].name.setTo(getElement()->getFieldName(ct));
162        userNum ++;
163    }
164}
165
166
167void Type::enableGLVertexBuffer(VertexArray *va) const
168{
169    uint32_t stride = mElement->getSizeBytes();
170    for (uint32_t ct=0; ct < RS_MAX_ATTRIBS; ct++) {
171        if (mAttribs[ct].size) {
172            va->add(mAttribs[ct], stride);
173        }
174    }
175}
176
177
178
179void Type::dumpLOGV(const char *prefix) const
180{
181    char buf[1024];
182    ObjectBase::dumpLOGV(prefix);
183    LOGV("%s   Type: x=%i y=%i z=%i mip=%i face=%i", prefix, mDimX, mDimY, mDimZ, mDimLOD, mFaces);
184    sprintf(buf, "%s element: ", prefix);
185    mElement->dumpLOGV(buf);
186}
187
188void Type::serialize(OStream *stream) const
189{
190    // Need to identify ourselves
191    stream->addU32((uint32_t)getClassId());
192
193    String8 name(getName());
194    stream->addString(&name);
195
196    mElement->serialize(stream);
197
198    stream->addU32(mDimX);
199    stream->addU32(mDimY);
200    stream->addU32(mDimZ);
201
202    stream->addU8((uint8_t)(mDimLOD ? 1 : 0));
203    stream->addU8((uint8_t)(mFaces ? 1 : 0));
204}
205
206Type *Type::createFromStream(Context *rsc, IStream *stream)
207{
208    // First make sure we are reading the correct object
209    RsA3DClassID classID = (RsA3DClassID)stream->loadU32();
210    if(classID != RS_A3D_CLASS_ID_TYPE) {
211        LOGE("type loading skipped due to invalid class id\n");
212        return NULL;
213    }
214
215    String8 name;
216    stream->loadString(&name);
217
218    Element *elem = Element::createFromStream(rsc, stream);
219    if(!elem) {
220        return NULL;
221    }
222
223    Type *type = new Type(rsc);
224    type->mDimX = stream->loadU32();
225    type->mDimY = stream->loadU32();
226    type->mDimZ = stream->loadU32();
227
228    uint8_t temp = stream->loadU8();
229    type->mDimLOD = temp != 0;
230
231    temp = stream->loadU8();
232    type->mFaces = temp != 0;
233
234    type->setElement(elem);
235
236    return type;
237}
238
239bool Type::getIsNp2() const
240{
241    uint32_t x = getDimX();
242    uint32_t y = getDimY();
243    uint32_t z = getDimZ();
244
245    if (x && (x & (x-1))) {
246        return true;
247    }
248    if (y && (y & (y-1))) {
249        return true;
250    }
251    if (z && (z & (z-1))) {
252        return true;
253    }
254    return false;
255}
256
257
258//////////////////////////////////////////////////
259//
260namespace android {
261namespace renderscript {
262
263void rsi_TypeBegin(Context *rsc, RsElement vse)
264{
265    TypeState * stc = &rsc->mStateType;
266
267    stc->mX = 0;
268    stc->mY = 0;
269    stc->mZ = 0;
270    stc->mLOD = false;
271    stc->mFaces = false;
272    stc->mElement.set(static_cast<const Element *>(vse));
273}
274
275void rsi_TypeAdd(Context *rsc, RsDimension dim, size_t value)
276{
277    TypeState * stc = &rsc->mStateType;
278
279    if (dim < 0) {
280        //error
281        return;
282    }
283
284
285    switch (dim) {
286    case RS_DIMENSION_X:
287        stc->mX = value;
288        return;
289    case RS_DIMENSION_Y:
290        stc->mY = value;
291        return;
292    case RS_DIMENSION_Z:
293        stc->mZ = value;
294        return;
295    case RS_DIMENSION_FACE:
296        stc->mFaces = (value != 0);
297        return;
298    case RS_DIMENSION_LOD:
299        stc->mLOD = (value != 0);
300        return;
301    default:
302        break;
303    }
304
305
306    int32_t arrayNum = dim - RS_DIMENSION_ARRAY_0;
307    if ((dim < 0) || (dim > RS_DIMENSION_MAX)) {
308        LOGE("rsTypeAdd: Bad dimension");
309        //error
310        return;
311    }
312
313    // todo: implement array support
314
315}
316
317RsType rsi_TypeCreate(Context *rsc)
318{
319    TypeState * stc = &rsc->mStateType;
320
321    for (uint32_t ct=0; ct < stc->mTypes.size(); ct++) {
322        Type *t = stc->mTypes[ct];
323        if (t->getElement() != stc->mElement.get()) continue;
324        if (t->getDimX() != stc->mX) continue;
325        if (t->getDimY() != stc->mY) continue;
326        if (t->getDimZ() != stc->mZ) continue;
327        if (t->getDimLOD() != stc->mLOD) continue;
328        if (t->getDimFaces() != stc->mFaces) continue;
329        t->incUserRef();
330        return t;
331    }
332
333    Type * st = new Type(rsc);
334    st->incUserRef();
335    st->setDimX(stc->mX);
336    st->setDimY(stc->mY);
337    st->setDimZ(stc->mZ);
338    st->setElement(stc->mElement.get());
339    st->setDimLOD(stc->mLOD);
340    st->setDimFaces(stc->mFaces);
341    st->compute();
342    stc->mElement.clear();
343    stc->mTypes.push(st);
344    return st;
345}
346
347void rsi_TypeGetNativeData(Context *rsc, RsType type, uint32_t *typeData, uint32_t typeDataSize)
348{
349    rsAssert(typeDataSize == 6);
350    // Pack the data in the follofing way mDimX; mDimY; mDimZ;
351    // mDimLOD; mDimFaces; mElement; into typeData
352    Type *t = static_cast<Type *>(type);
353
354    (*typeData++) = t->getDimX();
355    (*typeData++) = t->getDimY();
356    (*typeData++) = t->getDimZ();
357    (*typeData++) = t->getDimLOD();
358    (*typeData++) = t->getDimFaces() ? 1 : 0;
359    (*typeData++) = (uint32_t)t->getElement();
360
361}
362
363
364}
365}
366
367