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);
115CREATE_PIXEL(RGBA_5551, UNSIGNED_5_5_5_1, PIXEL_RGBA);
116
117#define CREATE_VECTOR(N, T) android::RSC::sp<const Element> Element::N##_2(android::RSC::sp<RS> rs) { \
118    if (rs->mElements.N##_2 == NULL) {                                  \
119        rs->mElements.N##_2 = createVector(rs, RS_TYPE_##T, 2);         \
120    }                                                                   \
121    return rs->mElements.N##_2;                                         \
122}                                                                       \
123android::RSC::sp<const Element> Element::N##_3(android::RSC::sp<RS> rs) { \
124    if (rs->mElements.N##_3 == NULL) {                                  \
125        rs->mElements.N##_3 = createVector(rs, RS_TYPE_##T, 3);         \
126    }                                                                   \
127    return rs->mElements.N##_3;                                         \
128} \
129android::RSC::sp<const Element> Element::N##_4(android::RSC::sp<RS> rs) { \
130    if (rs->mElements.N##_4 == NULL) {                                  \
131        rs->mElements.N##_4 = createVector(rs, RS_TYPE_##T, 4);         \
132    }                                                                   \
133    return rs->mElements.N##_4;                                         \
134}
135CREATE_VECTOR(U8, UNSIGNED_8);
136CREATE_VECTOR(I8, SIGNED_8);
137CREATE_VECTOR(U16, UNSIGNED_16);
138CREATE_VECTOR(I16, SIGNED_16);
139CREATE_VECTOR(U32, UNSIGNED_32);
140CREATE_VECTOR(I32, SIGNED_32);
141CREATE_VECTOR(U64, UNSIGNED_64);
142CREATE_VECTOR(I64, SIGNED_64);
143CREATE_VECTOR(F32, FLOAT_32);
144CREATE_VECTOR(F64, FLOAT_64);
145
146
147void Element::updateVisibleSubElements() {
148    if (!mElements.size()) {
149        return;
150    }
151    mVisibleElementMap.clear();
152
153    int noPaddingFieldCount = 0;
154    size_t fieldCount = mElementNames.size();
155    // Find out how many elements are not padding
156    for (size_t ct = 0; ct < fieldCount; ct ++) {
157        if (mElementNames[ct].c_str()[0] != '#') {
158            noPaddingFieldCount ++;
159        }
160    }
161
162    // Make a map that points us at non-padding elements
163    for (size_t ct = 0; ct < fieldCount; ct ++) {
164        if (mElementNames[ct].c_str()[0] != '#') {
165            mVisibleElementMap.push_back((uint32_t)ct);
166        }
167    }
168}
169
170Element::Element(void *id, android::RSC::sp<RS> rs,
171                 std::vector<android::RSC::sp<Element> > &elements,
172                 std::vector<std::string> &elementNames,
173                 std::vector<uint32_t> &arraySizes) : BaseObj(id, rs) {
174    mSizeBytes = 0;
175    mVectorSize = 1;
176    mElements = elements;
177    mArraySizes = arraySizes;
178    mElementNames = elementNames;
179
180    mType = RS_TYPE_NONE;
181    mKind = RS_KIND_USER;
182
183    for (size_t ct = 0; ct < mElements.size(); ct++ ) {
184        mOffsetInBytes.push_back(mSizeBytes);
185        mSizeBytes += mElements[ct]->mSizeBytes * mArraySizes[ct];
186    }
187    updateVisibleSubElements();
188}
189
190
191static uint32_t GetSizeInBytesForType(RsDataType dt) {
192    switch(dt) {
193    case RS_TYPE_NONE:
194        return 0;
195    case RS_TYPE_SIGNED_8:
196    case RS_TYPE_UNSIGNED_8:
197    case RS_TYPE_BOOLEAN:
198        return 1;
199
200    case RS_TYPE_FLOAT_16:
201    case RS_TYPE_SIGNED_16:
202    case RS_TYPE_UNSIGNED_16:
203    case RS_TYPE_UNSIGNED_5_6_5:
204    case RS_TYPE_UNSIGNED_5_5_5_1:
205    case RS_TYPE_UNSIGNED_4_4_4_4:
206        return 2;
207
208    case RS_TYPE_FLOAT_32:
209    case RS_TYPE_SIGNED_32:
210    case RS_TYPE_UNSIGNED_32:
211        return 4;
212
213    case RS_TYPE_FLOAT_64:
214    case RS_TYPE_SIGNED_64:
215    case RS_TYPE_UNSIGNED_64:
216        return 8;
217
218    case RS_TYPE_MATRIX_4X4:
219        return 16 * 4;
220    case RS_TYPE_MATRIX_3X3:
221        return 9 * 4;
222    case RS_TYPE_MATRIX_2X2:
223        return 4 * 4;
224
225    case RS_TYPE_TYPE:
226    case RS_TYPE_ALLOCATION:
227    case RS_TYPE_SAMPLER:
228    case RS_TYPE_SCRIPT:
229    case RS_TYPE_MESH:
230    case RS_TYPE_PROGRAM_FRAGMENT:
231    case RS_TYPE_PROGRAM_VERTEX:
232    case RS_TYPE_PROGRAM_RASTER:
233    case RS_TYPE_PROGRAM_STORE:
234        return 4;
235
236    default:
237        break;
238    }
239
240    ALOGE("Missing type %i", dt);
241    return 0;
242}
243
244Element::Element(void *id, android::RSC::sp<RS> rs,
245                 RsDataType dt, RsDataKind dk, bool norm, uint32_t size) :
246    BaseObj(id, rs)
247{
248    uint32_t tsize = GetSizeInBytesForType(dt);
249    if ((dt != RS_TYPE_UNSIGNED_5_6_5) &&
250        (dt != RS_TYPE_UNSIGNED_4_4_4_4) &&
251        (dt != RS_TYPE_UNSIGNED_5_5_5_1)) {
252        if (size == 3) {
253            mSizeBytes = tsize * 4;
254        } else {
255            mSizeBytes = tsize * size;
256        }
257    } else {
258        mSizeBytes = tsize;
259    }
260    mType = dt;
261    mKind = dk;
262    mNormalized = norm;
263    mVectorSize = size;
264}
265
266Element::~Element() {
267}
268
269void Element::updateFromNative() {
270    BaseObj::updateFromNative();
271    updateVisibleSubElements();
272}
273
274android::RSC::sp<const Element> Element::createUser(android::RSC::sp<RS> rs, RsDataType dt) {
275    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, 1);
276    return new Element(id, rs, dt, RS_KIND_USER, false, 1);
277}
278
279android::RSC::sp<const Element> Element::createVector(android::RSC::sp<RS> rs, RsDataType dt, uint32_t size) {
280    if (size < 2 || size > 4) {
281        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Vector size out of range 2-4.");
282        return NULL;
283    }
284    void *id = RS::dispatch->ElementCreate(rs->getContext(), dt, RS_KIND_USER, false, size);
285    return new Element(id, rs, dt, RS_KIND_USER, false, size);
286}
287
288android::RSC::sp<const Element> Element::createPixel(android::RSC::sp<RS> rs, RsDataType dt, RsDataKind dk) {
289    if (!(dk == RS_KIND_PIXEL_L ||
290          dk == RS_KIND_PIXEL_A ||
291          dk == RS_KIND_PIXEL_LA ||
292          dk == RS_KIND_PIXEL_RGB ||
293          dk == RS_KIND_PIXEL_RGBA ||
294          dk == RS_KIND_PIXEL_DEPTH)) {
295        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Unsupported DataKind");
296        return NULL;
297    }
298    if (!(dt == RS_TYPE_UNSIGNED_8 ||
299          dt == RS_TYPE_UNSIGNED_16 ||
300          dt == RS_TYPE_UNSIGNED_5_6_5 ||
301          dt == RS_TYPE_UNSIGNED_4_4_4_4 ||
302          dt == RS_TYPE_UNSIGNED_5_5_5_1)) {
303        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Unsupported DataType");
304        return NULL;
305    }
306    if (dt == RS_TYPE_UNSIGNED_5_6_5 && dk != RS_KIND_PIXEL_RGB) {
307        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
308        return NULL;
309    }
310    if (dt == RS_TYPE_UNSIGNED_5_5_5_1 && dk != RS_KIND_PIXEL_RGBA) {
311        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
312        return NULL;
313    }
314    if (dt == RS_TYPE_UNSIGNED_4_4_4_4 && dk != RS_KIND_PIXEL_RGBA) {
315        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
316        return NULL;
317    }
318    if (dt == RS_TYPE_UNSIGNED_16 && dk != RS_KIND_PIXEL_DEPTH) {
319        rs->throwError(RS_ERROR_INVALID_PARAMETER, "Bad kind and type combo");
320        return NULL;
321    }
322
323    int size = 1;
324    switch (dk) {
325    case RS_KIND_PIXEL_LA:
326        size = 2;
327        break;
328    case RS_KIND_PIXEL_RGB:
329        size = 3;
330        break;
331    case RS_KIND_PIXEL_RGBA:
332        size = 4;
333        break;
334    case RS_KIND_PIXEL_DEPTH:
335        size = 2;
336        break;
337    default:
338        break;
339    }
340
341    void * id = RS::dispatch->ElementCreate(rs->getContext(), dt, dk, true, size);
342    return new Element(id, rs, dt, dk, true, size);
343}
344
345bool Element::isCompatible(android::RSC::sp<const Element>e) const {
346    // Try strict BaseObj equality to start with.
347    if (this == e.get()) {
348        return true;
349    }
350
351    // Ignore mKind because it is allowed to be different (user vs. pixel).
352    // We also ignore mNormalized because it can be different. The mType
353    // field must be non-null since we require name equivalence for
354    // user-created Elements.
355    return ((mSizeBytes == e->mSizeBytes) &&
356            (mType != RS_TYPE_NONE) &&
357            (mType == e->mType) &&
358            (mVectorSize == e->mVectorSize));
359}
360
361Element::Builder::Builder(android::RSC::sp<RS> rs) {
362    mRS = rs.get();
363    mSkipPadding = false;
364}
365
366void Element::Builder::add(android::RSC::sp</*const*/ Element>e, std::string &name, uint32_t arraySize) {
367    // Skip padding fields after a vector 3 type.
368    if (mSkipPadding) {
369        const char *s1 = "#padding_";
370        const char *s2 = name.c_str();
371        size_t len = strlen(s1);
372        if (strlen(s2) >= len) {
373            if (!memcmp(s1, s2, len)) {
374                mSkipPadding = false;
375                return;
376            }
377        }
378    }
379
380    if (e->mVectorSize == 3) {
381        mSkipPadding = true;
382    } else {
383        mSkipPadding = false;
384    }
385
386    mElements.push_back(e);
387    mElementNames.push_back(name);
388    mArraySizes.push_back(arraySize);
389}
390
391android::RSC::sp<const Element> Element::Builder::create() {
392    size_t fieldCount = mElements.size();
393    const char ** nameArray = (const char **)calloc(fieldCount, sizeof(char *));
394    const Element ** elementArray = (const Element **)calloc(fieldCount, sizeof(Element *));
395    size_t* sizeArray = (size_t*)calloc(fieldCount, sizeof(size_t));
396
397    for (size_t ct = 0; ct < fieldCount; ct++) {
398        nameArray[ct] = mElementNames[ct].c_str();
399        elementArray[ct] = mElements[ct].get();
400        sizeArray[ct] = mElementNames[ct].length();
401    }
402
403    void *id = RS::dispatch->ElementCreate2(mRS->getContext(),
404                                (RsElement *)elementArray, fieldCount,
405                                nameArray, fieldCount * sizeof(size_t),  sizeArray,
406                                (const uint32_t *)&mArraySizes[0], fieldCount);
407
408
409    free(nameArray);
410    free(sizeArray);
411    free(elementArray);
412    return new Element(id, mRS, mElements, mElementNames, mArraySizes);
413}
414
415