Element.cpp revision 89daad6bae798779e57f252e9da4fe4e62337124 
1/*
2 * Copyright (C) 2012 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 <malloc.h>
18#include <string.h>
19
20#include "RenderScript.h"
21
22using namespace android;
23using namespace RSC;
24
25android::RSC::sp<const Element> Element::getSubElement(uint32_t index) {
26    if (!mVisibleElementMap.size()) {
27        mRS->throwError("Element contains no sub-elements");
28    }
29    if (index >= mVisibleElementMap.size()) {
30        mRS->throwError("Illegal sub-element index");
31    }
32    return mElements[mVisibleElementMap[index]];
33}
34
35const char * Element::getSubElementName(uint32_t index) {
36    if (!mVisibleElementMap.size()) {
37        mRS->throwError("Element contains no sub-elements");
38    }
39    if (index >= mVisibleElementMap.size()) {
40        mRS->throwError("Illegal sub-element index");
41    }
42    return mElementNames[mVisibleElementMap[index]].string();
43}
44
45size_t Element::getSubElementArraySize(uint32_t index) {
46    if (!mVisibleElementMap.size()) {
47        mRS->throwError("Element contains no sub-elements");
48    }
49    if (index >= mVisibleElementMap.size()) {
50        mRS->throwError("Illegal sub-element index");
51    }
52    return mArraySizes[mVisibleElementMap[index]];
53}
54
55uint32_t Element::getSubElementOffsetBytes(uint32_t index) {
56    if (mVisibleElementMap.size()) {
57        mRS->throwError("Element contains no sub-elements");
58    }
59    if (index >= mVisibleElementMap.size()) {
60        mRS->throwError("Illegal sub-element index");
61    }
62    return mOffsetInBytes[mVisibleElementMap[index]];
63}
64
65
66#define CREATE_USER(N, T) android::RSC::sp<const Element> Element::N(android::RSC::sp<RS> rs) { \
67    if (rs->mElements.N == NULL) {                                  \
68        rs->mElements.N = (createUser(rs, RS_TYPE_##T)).get();      \
69    }                                                               \
70    return rs->mElements.N;                                         \
71    }
72
73CREATE_USER(BOOLEAN, BOOLEAN);
74CREATE_USER(U8, UNSIGNED_8);
75CREATE_USER(I8, SIGNED_8);
76CREATE_USER(U16, UNSIGNED_16);
77CREATE_USER(I16, SIGNED_16);
78CREATE_USER(U32, UNSIGNED_32);
79CREATE_USER(I32, SIGNED_32);
80CREATE_USER(U64, UNSIGNED_64);
81CREATE_USER(I64, SIGNED_64);
82CREATE_USER(F32, FLOAT_32);
83CREATE_USER(F64, FLOAT_64);
84CREATE_USER(ELEMENT, ELEMENT);
85CREATE_USER(TYPE, TYPE);
86CREATE_USER(ALLOCATION, ALLOCATION);
87CREATE_USER(SAMPLER, SAMPLER);
88CREATE_USER(SCRIPT, SCRIPT);
89CREATE_USER(MESH, MESH);
90CREATE_USER(PROGRAM_FRAGMENT, PROGRAM_FRAGMENT);
91CREATE_USER(PROGRAM_VERTEX, PROGRAM_VERTEX);
92CREATE_USER(PROGRAM_RASTER, PROGRAM_RASTER);
93CREATE_USER(PROGRAM_STORE, PROGRAM_STORE);
94CREATE_USER(MATRIX_4X4, MATRIX_4X4);
95CREATE_USER(MATRIX_3X3, MATRIX_3X3);
96CREATE_USER(MATRIX_2X2, MATRIX_2X2);
97
98#define CREATE_PIXEL(N, T, K) android::RSC::sp<const Element> Element::N(android::RSC::sp<RS> rs) { \
99    return createPixel(rs, RS_TYPE_##T, RS_KIND_##K); \
100}
101CREATE_PIXEL(A_8, UNSIGNED_8, PIXEL_A);
102CREATE_PIXEL(RGB_565, UNSIGNED_5_6_5, PIXEL_RGB);
103CREATE_PIXEL(RGB_888, UNSIGNED_8, PIXEL_RGB);
104CREATE_PIXEL(RGBA_4444, UNSIGNED_4_4_4_4, PIXEL_RGBA);
105CREATE_PIXEL(RGBA_8888, UNSIGNED_8, PIXEL_RGBA);
106
107#define CREATE_VECTOR(N, T) android::RSC::sp<const Element> Element::N##_2(android::RSC::sp<RS> rs) { \
108    return createVector(rs, RS_TYPE_##T, 2); \
109} \
110android::RSC::sp<const Element> Element::N##_3(android::RSC::sp<RS> rs) { \
111    return createVector(rs, RS_TYPE_##T, 3); \
112} \
113android::RSC::sp<const Element> Element::N##_4(android::RSC::sp<RS> rs) { \
114    return createVector(rs, RS_TYPE_##T, 4); \
115}
116CREATE_VECTOR(U8, UNSIGNED_8);
117CREATE_VECTOR(I8, SIGNED_8);
118CREATE_VECTOR(U16, UNSIGNED_16);
119CREATE_VECTOR(I16, SIGNED_16);
120CREATE_VECTOR(U32, UNSIGNED_32);
121CREATE_VECTOR(I32, SIGNED_32);
122CREATE_VECTOR(U64, UNSIGNED_64);
123CREATE_VECTOR(I64, SIGNED_64);
124CREATE_VECTOR(F32, FLOAT_32);
125CREATE_VECTOR(F64, FLOAT_64);
126
127
128void Element::updateVisibleSubElements() {
129    if (!mElements.size()) {
130        return;
131    }
132    mVisibleElementMap.clear();
133
134    int noPaddingFieldCount = 0;
135    size_t fieldCount = mElementNames.size();
136    // Find out how many elements are not padding
137    for (size_t ct = 0; ct < fieldCount; ct ++) {
138        if (mElementNames[ct].string()[0] != '#') {
139            noPaddingFieldCount ++;
140        }
141    }
142
143    // Make a map that points us at non-padding elements
144    for (size_t ct = 0; ct < fieldCount; ct ++) {
145        if (mElementNames[ct].string()[0] != '#') {
146            mVisibleElementMap.push_back((uint32_t)ct);
147        }
148    }
149}
150
151Element::Element(void *id, android::RSC::sp<RS> rs,
152                 std::vector<android::RSC::sp<Element> > &elements,
153                 std::vector<android::String8> &elementNames,
154                 std::vector<uint32_t> &arraySizes) : BaseObj(id, rs) {
155    mSizeBytes = 0;
156    mVectorSize = 1;
157    mElements = elements;
158    mArraySizes = arraySizes;
159    mElementNames = elementNames;
160
161    mType = RS_TYPE_NONE;
162    mKind = RS_KIND_USER;
163
164    for (size_t ct = 0; ct < mElements.size(); ct++ ) {
165        mOffsetInBytes.push_back(mSizeBytes);
166        mSizeBytes += mElements[ct]->mSizeBytes * mArraySizes[ct];
167    }
168    updateVisibleSubElements();
169}
170
171
172static uint32_t GetSizeInBytesForType(RsDataType dt) {
173    switch(dt) {
174    case RS_TYPE_NONE:
175        return 0;
176    case RS_TYPE_SIGNED_8:
177    case RS_TYPE_UNSIGNED_8:
178    case RS_TYPE_BOOLEAN:
179        return 1;
180
181    case RS_TYPE_FLOAT_16:
182    case RS_TYPE_SIGNED_16:
183    case RS_TYPE_UNSIGNED_16:
184    case RS_TYPE_UNSIGNED_5_6_5:
185    case RS_TYPE_UNSIGNED_5_5_5_1:
186    case RS_TYPE_UNSIGNED_4_4_4_4:
187        return 2;
188
189    case RS_TYPE_FLOAT_32:
190    case RS_TYPE_SIGNED_32:
191    case RS_TYPE_UNSIGNED_32:
192        return 4;
193
194    case RS_TYPE_FLOAT_64:
195    case RS_TYPE_SIGNED_64:
196    case RS_TYPE_UNSIGNED_64:
197        return 8;
198
199    case RS_TYPE_MATRIX_4X4:
200        return 16 * 4;
201    case RS_TYPE_MATRIX_3X3:
202        return 9 * 4;
203    case RS_TYPE_MATRIX_2X2:
204        return 4 * 4;
205
206    case RS_TYPE_TYPE:
207    case RS_TYPE_ALLOCATION:
208    case RS_TYPE_SAMPLER:
209    case RS_TYPE_SCRIPT:
210    case RS_TYPE_MESH:
211    case RS_TYPE_PROGRAM_FRAGMENT:
212    case RS_TYPE_PROGRAM_VERTEX:
213    case RS_TYPE_PROGRAM_RASTER:
214    case RS_TYPE_PROGRAM_STORE:
215        return 4;
216
217    default:
218        break;
219    }
220
221    ALOGE("Missing type %i", dt);
222    return 0;
223}
224
225Element::Element(void *id, android::RSC::sp<RS> rs,
226                 RsDataType dt, RsDataKind dk, bool norm, uint32_t size) :
227    BaseObj(id, rs)
228{
229    uint32_t tsize = GetSizeInBytesForType(dt);
230    if ((dt != RS_TYPE_UNSIGNED_5_6_5) &&
231        (dt != RS_TYPE_UNSIGNED_4_4_4_4) &&
232        (dt != RS_TYPE_UNSIGNED_5_5_5_1)) {
233        if (size == 3) {
234            mSizeBytes = tsize * 4;
235        } else {
236            mSizeBytes = tsize * size;
237        }
238    } else {
239        mSizeBytes = tsize;
240    }
241    mType = dt;
242    mKind = dk;
243    mNormalized = norm;
244    mVectorSize = size;
245}
246
247Element::~Element() {
248}
249
250void Element::updateFromNative() {
251    BaseObj::updateFromNative();
252    updateVisibleSubElements();
253}
254
255android::RSC::sp<const Element> Element::createUser(android::RSC::sp<RS> rs, RsDataType dt) {
256    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, 1);
257    return new Element(id, rs, dt, RS_KIND_USER, false, 1);
258}
259
260android::RSC::sp<const Element> Element::createVector(android::RSC::sp<RS> rs, RsDataType dt, uint32_t size) {
261    if (size < 2 || size > 4) {
262        rs->throwError("Vector size out of range 2-4.");
263    }
264    void *id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, size);
265    return new Element(id, rs, dt, RS_KIND_USER, false, size);
266}
267
268android::RSC::sp<const Element> Element::createPixel(android::RSC::sp<RS> rs, RsDataType dt, RsDataKind dk) {
269    if (!(dk == RS_KIND_PIXEL_L ||
270          dk == RS_KIND_PIXEL_A ||
271          dk == RS_KIND_PIXEL_LA ||
272          dk == RS_KIND_PIXEL_RGB ||
273          dk == RS_KIND_PIXEL_RGBA ||
274          dk == RS_KIND_PIXEL_DEPTH)) {
275        rs->throwError("Unsupported DataKind");
276    }
277    if (!(dt == RS_TYPE_UNSIGNED_8 ||
278          dt == RS_TYPE_UNSIGNED_16 ||
279          dt == RS_TYPE_UNSIGNED_5_6_5 ||
280          dt == RS_TYPE_UNSIGNED_4_4_4_4 ||
281          dt == RS_TYPE_UNSIGNED_5_5_5_1)) {
282        rs->throwError("Unsupported DataType");
283    }
284    if (dt == RS_TYPE_UNSIGNED_5_6_5 && dk != RS_KIND_PIXEL_RGB) {
285        rs->throwError("Bad kind and type combo");
286    }
287    if (dt == RS_TYPE_UNSIGNED_5_5_5_1 && dk != RS_KIND_PIXEL_RGBA) {
288        rs->throwError("Bad kind and type combo");
289    }
290    if (dt == RS_TYPE_UNSIGNED_4_4_4_4 && dk != RS_KIND_PIXEL_RGBA) {
291        rs->throwError("Bad kind and type combo");
292    }
293    if (dt == RS_TYPE_UNSIGNED_16 && dk != RS_KIND_PIXEL_DEPTH) {
294        rs->throwError("Bad kind and type combo");
295    }
296
297    int size = 1;
298    switch (dk) {
299    case RS_KIND_PIXEL_LA:
300        size = 2;
301        break;
302    case RS_KIND_PIXEL_RGB:
303        size = 3;
304        break;
305    case RS_KIND_PIXEL_RGBA:
306        size = 4;
307        break;
308    case RS_KIND_PIXEL_DEPTH:
309        size = 2;
310        break;
311    default:
312        break;
313    }
314
315    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, dk, true, size);
316    return new Element(id, rs, dt, dk, true, size);
317}
318
319bool Element::isCompatible(android::RSC::sp<const Element>e) {
320    // Try strict BaseObj equality to start with.
321    if (this == e.get()) {
322        return true;
323    }
324
325    // Ignore mKind because it is allowed to be different (user vs. pixel).
326    // We also ignore mNormalized because it can be different. The mType
327    // field must be non-null since we require name equivalence for
328    // user-created Elements.
329    return ((mSizeBytes == e->mSizeBytes) &&
330            (mType != RS_TYPE_NONE) &&
331            (mType == e->mType) &&
332            (mVectorSize == e->mVectorSize));
333}
334
335Element::Builder::Builder(android::RSC::sp<RS> rs) {
336    mRS = rs;
337    mSkipPadding = false;
338}
339
340void Element::Builder::add(android::RSC::sp</*const*/ Element>e, android::String8 &name, uint32_t arraySize) {
341    // Skip padding fields after a vector 3 type.
342    if (mSkipPadding) {
343        const char *s1 = "#padding_";
344        const char *s2 = name.string();
345        size_t len = strlen(s1);
346        if (strlen(s2) >= len) {
347            if (!memcmp(s1, s2, len)) {
348                mSkipPadding = false;
349                return;
350            }
351        }
352    }
353
354    if (e->mVectorSize == 3) {
355        mSkipPadding = true;
356    } else {
357        mSkipPadding = false;
358    }
359
360    mElements.push_back(e);
361    mElementNames.push_back(name);
362    mArraySizes.push_back(arraySize);
363}
364
365android::RSC::sp<const Element> Element::Builder::create() {
366    size_t fieldCount = mElements.size();
367    const char ** nameArray = (const char **)calloc(fieldCount, sizeof(char *));
368    const Element ** elementArray = (const Element **)calloc(fieldCount, sizeof(Element *));
369    size_t* sizeArray = (size_t*)calloc(fieldCount, sizeof(size_t));
370
371    for (size_t ct = 0; ct < fieldCount; ct++) {
372        nameArray[ct] = mElementNames[ct].string();
373        elementArray[ct] = mElements[ct].get();
374        sizeArray[ct] = mElementNames[ct].length();
375    }
376
377    void *id = RS::dispatch->ElementCreate2(mRS->getContext(),
378                                (RsElement *)elementArray, fieldCount,
379                                nameArray, fieldCount * sizeof(size_t),  sizeArray,
380                                (const uint32_t *)&mArraySizes[0], fieldCount);
381
382
383    free(nameArray);
384    free(sizeArray);
385    free(elementArray);
386    return new Element(id, mRS, mElements, mElementNames, mArraySizes);
387}
388
389