Element.cpp revision 75e877d157f9429eb6d8fb1b09c75c5472db161a 
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#include "rsCppInternal.h"
22
23using namespace android;
24using namespace RSC;
25
26android::RSC::sp<const Element> Element::getSubElement(uint32_t index) {
27    if (!mVisibleElementMap.size()) {
28        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Element contains no sub-elements");
29        return NULL;
30    }
31    if (index >= mVisibleElementMap.size()) {
32        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Illegal sub-element index");
33        return NULL;
34    }
35    return mElements[mVisibleElementMap[index]];
36}
37
38const char * Element::getSubElementName(uint32_t index) {
39    if (!mVisibleElementMap.size()) {
40        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Element contains no sub-elements");
41        return NULL;
42    }
43    if (index >= mVisibleElementMap.size()) {
44        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Illegal sub-element index");
45        return NULL;
46    }
47    return mElementNames[mVisibleElementMap[index]].c_str();
48}
49
50size_t Element::getSubElementArraySize(uint32_t index) {
51    if (!mVisibleElementMap.size()) {
52        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Element contains no sub-elements");
53        return 0;
54    }
55    if (index >= mVisibleElementMap.size()) {
56        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Illegal sub-element index");
57        return 0;
58    }
59    return mArraySizes[mVisibleElementMap[index]];
60}
61
62uint32_t Element::getSubElementOffsetBytes(uint32_t index) {
63    if (mVisibleElementMap.size()) {
64        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Element contains no sub-elements");
65        return 0;
66    }
67    if (index >= mVisibleElementMap.size()) {
68        mRS->throwError(RS_ERROR_INVALID_PARAMETER, "Illegal sub-element index");
69        return 0;
70    }
71    return mOffsetInBytes[mVisibleElementMap[index]];
72}
73
74
75#define CREATE_USER(N, T) android::RSC::sp<const Element> Element::N(android::RSC::sp<RS> rs) { \
76    if (rs->mElements.N == NULL) {                                  \
77        rs->mElements.N = (createUser(rs, RS_TYPE_##T));            \
78    }                                                               \
79    return rs->mElements.N;                                         \
80    }
81
82CREATE_USER(BOOLEAN, BOOLEAN);
83CREATE_USER(U8, UNSIGNED_8);
84CREATE_USER(I8, SIGNED_8);
85CREATE_USER(U16, UNSIGNED_16);
86CREATE_USER(I16, SIGNED_16);
87CREATE_USER(U32, UNSIGNED_32);
88CREATE_USER(I32, SIGNED_32);
89CREATE_USER(U64, UNSIGNED_64);
90CREATE_USER(I64, SIGNED_64);
91CREATE_USER(F32, FLOAT_32);
92CREATE_USER(F64, FLOAT_64);
93CREATE_USER(ELEMENT, ELEMENT);
94CREATE_USER(TYPE, TYPE);
95CREATE_USER(ALLOCATION, ALLOCATION);
96CREATE_USER(SAMPLER, SAMPLER);
97CREATE_USER(SCRIPT, SCRIPT);
98CREATE_USER(MATRIX_4X4, MATRIX_4X4);
99CREATE_USER(MATRIX_3X3, MATRIX_3X3);
100CREATE_USER(MATRIX_2X2, MATRIX_2X2);
101
102#define CREATE_PIXEL(N, T, K) android::RSC::sp<const Element> Element::N(android::RSC::sp<RS> rs) { \
103    if (rs->mElements.N == NULL) {                                  \
104        rs->mElements.N = createPixel(rs, RS_TYPE_##T, RS_KIND_##K);    \
105    }                                                                   \
106    return rs->mElements.N;                                             \
107}
108
109CREATE_PIXEL(A_8, UNSIGNED_8, PIXEL_A);
110CREATE_PIXEL(RGB_565, UNSIGNED_5_6_5, PIXEL_RGB);
111CREATE_PIXEL(RGB_888, UNSIGNED_8, PIXEL_RGB);
112CREATE_PIXEL(RGBA_4444, UNSIGNED_4_4_4_4, PIXEL_RGBA);
113CREATE_PIXEL(RGBA_8888, UNSIGNED_8, PIXEL_RGBA);
114CREATE_PIXEL(YUV, UNSIGNED_8, PIXEL_YUV);
115
116#define CREATE_VECTOR(N, T) android::RSC::sp<const Element> Element::N##_2(android::RSC::sp<RS> rs) { \
117    if (rs->mElements.N##_2 == NULL) {                                  \
118        rs->mElements.N##_2 = createVector(rs, RS_TYPE_##T, 2);         \
119    }                                                                   \
120    return rs->mElements.N##_2;                                         \
121}                                                                       \
122android::RSC::sp<const Element> Element::N##_3(android::RSC::sp<RS> rs) { \
123    if (rs->mElements.N##_3 == NULL) {                                  \
124        rs->mElements.N##_3 = createVector(rs, RS_TYPE_##T, 3);         \
125    }                                                                   \
126    return rs->mElements.N##_3;                                         \
127} \
128android::RSC::sp<const Element> Element::N##_4(android::RSC::sp<RS> rs) { \
129    if (rs->mElements.N##_4 == NULL) {                                  \
130        rs->mElements.N##_4 = createVector(rs, RS_TYPE_##T, 4);         \
131    }                                                                   \
132    return rs->mElements.N##_4;                                         \
133}
134CREATE_VECTOR(U8, UNSIGNED_8);
135CREATE_VECTOR(I8, SIGNED_8);
136CREATE_VECTOR(U16, UNSIGNED_16);
137CREATE_VECTOR(I16, SIGNED_16);
138CREATE_VECTOR(U32, UNSIGNED_32);
139CREATE_VECTOR(I32, SIGNED_32);
140CREATE_VECTOR(U64, UNSIGNED_64);
141CREATE_VECTOR(I64, SIGNED_64);
142CREATE_VECTOR(F32, FLOAT_32);
143CREATE_VECTOR(F64, FLOAT_64);
144
145
146void Element::updateVisibleSubElements() {
147    if (!mElements.size()) {
148        return;
149    }
150    mVisibleElementMap.clear();
151
152    int noPaddingFieldCount = 0;
153    size_t fieldCount = mElementNames.size();
154    // Find out how many elements are not padding
155    for (size_t ct = 0; ct < fieldCount; ct ++) {
156        if (mElementNames[ct].c_str()[0] != '#') {
157            noPaddingFieldCount ++;
158        }
159    }
160
161    // Make a map that points us at non-padding elements
162    for (size_t ct = 0; ct < fieldCount; ct ++) {
163        if (mElementNames[ct].c_str()[0] != '#') {
164            mVisibleElementMap.push_back((uint32_t)ct);
165        }
166    }
167}
168
169Element::Element(void *id, android::RSC::sp<RS> rs,
170                 std::vector<android::RSC::sp<Element> > &elements,
171                 std::vector<std::string> &elementNames,
172                 std::vector<uint32_t> &arraySizes) : BaseObj(id, rs) {
173    mSizeBytes = 0;
174    mVectorSize = 1;
175    mElements = elements;
176    mArraySizes = arraySizes;
177    mElementNames = elementNames;
178
179    mType = RS_TYPE_NONE;
180    mKind = RS_KIND_USER;
181
182    for (size_t ct = 0; ct < mElements.size(); ct++ ) {
183        mOffsetInBytes.push_back(mSizeBytes);
184        mSizeBytes += mElements[ct]->mSizeBytes * mArraySizes[ct];
185    }
186    updateVisibleSubElements();
187}
188
189
190static uint32_t GetSizeInBytesForType(RsDataType dt) {
191    switch(dt) {
192    case RS_TYPE_NONE:
193        return 0;
194    case RS_TYPE_SIGNED_8:
195    case RS_TYPE_UNSIGNED_8:
196    case RS_TYPE_BOOLEAN:
197        return 1;
198
199    case RS_TYPE_FLOAT_16:
200    case RS_TYPE_SIGNED_16:
201    case RS_TYPE_UNSIGNED_16:
202    case RS_TYPE_UNSIGNED_5_6_5:
203    case RS_TYPE_UNSIGNED_5_5_5_1:
204    case RS_TYPE_UNSIGNED_4_4_4_4:
205        return 2;
206
207    case RS_TYPE_FLOAT_32:
208    case RS_TYPE_SIGNED_32:
209    case RS_TYPE_UNSIGNED_32:
210        return 4;
211
212    case RS_TYPE_FLOAT_64:
213    case RS_TYPE_SIGNED_64:
214    case RS_TYPE_UNSIGNED_64:
215        return 8;
216
217    case RS_TYPE_MATRIX_4X4:
218        return 16 * 4;
219    case RS_TYPE_MATRIX_3X3:
220        return 9 * 4;
221    case RS_TYPE_MATRIX_2X2:
222        return 4 * 4;
223
224    case RS_TYPE_TYPE:
225    case RS_TYPE_ALLOCATION:
226    case RS_TYPE_SAMPLER:
227    case RS_TYPE_SCRIPT:
228    case RS_TYPE_MESH:
229    case RS_TYPE_PROGRAM_FRAGMENT:
230    case RS_TYPE_PROGRAM_VERTEX:
231    case RS_TYPE_PROGRAM_RASTER:
232    case RS_TYPE_PROGRAM_STORE:
233        return 4;
234
235    default:
236        break;
237    }
238
239    ALOGE("Missing type %i", dt);
240    return 0;
241}
242
243Element::Element(void *id, android::RSC::sp<RS> rs,
244                 RsDataType dt, RsDataKind dk, bool norm, uint32_t size) :
245    BaseObj(id, rs)
246{
247    uint32_t tsize = GetSizeInBytesForType(dt);
248    if ((dt != RS_TYPE_UNSIGNED_5_6_5) &&
249        (dt != RS_TYPE_UNSIGNED_4_4_4_4) &&
250        (dt != RS_TYPE_UNSIGNED_5_5_5_1)) {
251        if (size == 3) {
252            mSizeBytes = tsize * 4;
253        } else {
254            mSizeBytes = tsize * size;
255        }
256    } else {
257        mSizeBytes = tsize;
258    }
259    mType = dt;
260    mKind = dk;
261    mNormalized = norm;
262    mVectorSize = size;
263}
264
265Element::~Element() {
266}
267
268void Element::updateFromNative() {
269    BaseObj::updateFromNative();
270    updateVisibleSubElements();
271}
272
273android::RSC::sp<const Element> Element::createUser(android::RSC::sp<RS> rs, RsDataType dt) {
274    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, 1);
275    return new Element(id, rs, dt, RS_KIND_USER, false, 1);
276}
277
278android::RSC::sp<const Element> Element::createVector(android::RSC::sp<RS> rs, RsDataType dt, uint32_t size) {
279    if (size < 2 || size > 4) {
280        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Vector size out of range 2-4.");
281        return NULL;
282    }
283    void *id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, size);
284    return new Element(id, rs, dt, RS_KIND_USER, false, size);
285}
286
287android::RSC::sp<const Element> Element::createPixel(android::RSC::sp<RS> rs, RsDataType dt, RsDataKind dk) {
288    if (!(dk == RS_KIND_PIXEL_L ||
289          dk == RS_KIND_PIXEL_A ||
290          dk == RS_KIND_PIXEL_LA ||
291          dk == RS_KIND_PIXEL_RGB ||
292          dk == RS_KIND_PIXEL_RGBA ||
293          dk == RS_KIND_PIXEL_DEPTH)) {
294        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Unsupported DataKind");
295        return NULL;
296    }
297    if (!(dt == RS_TYPE_UNSIGNED_8 ||
298          dt == RS_TYPE_UNSIGNED_16 ||
299          dt == RS_TYPE_UNSIGNED_5_6_5 ||
300          dt == RS_TYPE_UNSIGNED_4_4_4_4 ||
301          dt == RS_TYPE_UNSIGNED_5_5_5_1)) {
302        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Unsupported DataType");
303        return NULL;
304    }
305    if (dt == RS_TYPE_UNSIGNED_5_6_5 && dk != RS_KIND_PIXEL_RGB) {
306        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
307        return NULL;
308    }
309    if (dt == RS_TYPE_UNSIGNED_5_5_5_1 && dk != RS_KIND_PIXEL_RGBA) {
310        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
311        return NULL;
312    }
313    if (dt == RS_TYPE_UNSIGNED_4_4_4_4 && dk != RS_KIND_PIXEL_RGBA) {
314        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
315        return NULL;
316    }
317    if (dt == RS_TYPE_UNSIGNED_16 && dk != RS_KIND_PIXEL_DEPTH) {
318        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
319        return NULL;
320    }
321
322    int size = 1;
323    switch (dk) {
324    case RS_KIND_PIXEL_LA:
325        size = 2;
326        break;
327    case RS_KIND_PIXEL_RGB:
328        size = 3;
329        break;
330    case RS_KIND_PIXEL_RGBA:
331        size = 4;
332        break;
333    case RS_KIND_PIXEL_DEPTH:
334        size = 2;
335        break;
336    default:
337        break;
338    }
339
340    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, dk, true, size);
341    return new Element(id, rs, dt, dk, true, size);
342}
343
344bool Element::isCompatible(android::RSC::sp<const Element>e) const {
345    // Try strict BaseObj equality to start with.
346    if (this == e.get()) {
347        return true;
348    }
349
350    // Ignore mKind because it is allowed to be different (user vs. pixel).
351    // We also ignore mNormalized because it can be different. The mType
352    // field must be non-null since we require name equivalence for
353    // user-created Elements.
354    return ((mSizeBytes == e->mSizeBytes) &&
355            (mType != RS_TYPE_NONE) &&
356            (mType == e->mType) &&
357            (mVectorSize == e->mVectorSize));
358}
359
360Element::Builder::Builder(android::RSC::sp<RS> rs) {
361    mRS = rs;
362    mSkipPadding = false;
363}
364
365void Element::Builder::add(android::RSC::sp</*const*/ Element>e, std::string &name, uint32_t arraySize) {
366    // Skip padding fields after a vector 3 type.
367    if (mSkipPadding) {
368        const char *s1 = "#padding_";
369        const char *s2 = name.c_str();
370        size_t len = strlen(s1);
371        if (strlen(s2) >= len) {
372            if (!memcmp(s1, s2, len)) {
373                mSkipPadding = false;
374                return;
375            }
376        }
377    }
378
379    if (e->mVectorSize == 3) {
380        mSkipPadding = true;
381    } else {
382        mSkipPadding = false;
383    }
384
385    mElements.push_back(e);
386    mElementNames.push_back(name);
387    mArraySizes.push_back(arraySize);
388}
389
390android::RSC::sp<const Element> Element::Builder::create() {
391    size_t fieldCount = mElements.size();
392    const char ** nameArray = (const char **)calloc(fieldCount, sizeof(char *));
393    const Element ** elementArray = (const Element **)calloc(fieldCount, sizeof(Element *));
394    size_t* sizeArray = (size_t*)calloc(fieldCount, sizeof(size_t));
395
396    for (size_t ct = 0; ct < fieldCount; ct++) {
397        nameArray[ct] = mElementNames[ct].c_str();
398        elementArray[ct] = mElements[ct].get();
399        sizeArray[ct] = mElementNames[ct].length();
400    }
401
402    void *id = RS::dispatch->ElementCreate2(mRS->getContext(),
403                                (RsElement *)elementArray, fieldCount,
404                                nameArray, fieldCount * sizeof(size_t),  sizeArray,
405                                (const uint32_t *)&mArraySizes[0], fieldCount);
406
407
408    free(nameArray);
409    free(sizeArray);
410    free(elementArray);
411    return new Element(id, mRS, mElements, mElementNames, mArraySizes);
412}
413
414