1/*
2 * Copyright (C) 2009-2012 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 "rsComponent.h"
18
19using namespace android;
20using namespace android::renderscript;
21
22Component::Component() {
23    set(RS_TYPE_NONE, RS_KIND_USER, false, 1);
24}
25
26Component::~Component() {
27}
28
29void Component::set(RsDataType dt, RsDataKind dk, bool norm, uint32_t vecSize) {
30    mType = dt;
31    mKind = dk;
32    mNormalized = norm;
33    mVectorSize = vecSize;
34    rsAssert(vecSize <= 4);
35
36    mBits = 0;
37    mTypeBits = 0;
38    mIsFloat = false;
39    mIsSigned = false;
40    mIsPixel = false;
41
42    switch (mKind) {
43    case RS_KIND_PIXEL_L:
44    case RS_KIND_PIXEL_A:
45        mIsPixel = true;
46        rsAssert(mVectorSize == 1);
47        rsAssert(mNormalized == true);
48        break;
49    case RS_KIND_PIXEL_LA:
50        mIsPixel = true;
51        rsAssert(mVectorSize == 2);
52        rsAssert(mNormalized == true);
53        break;
54    case RS_KIND_PIXEL_RGB:
55        mIsPixel = true;
56        rsAssert(mVectorSize == 3);
57        rsAssert(mNormalized == true);
58        break;
59    case RS_KIND_PIXEL_RGBA:
60        mIsPixel = true;
61        rsAssert(mVectorSize == 4);
62        rsAssert(mNormalized == true);
63        break;
64    default:
65        rsAssert(mKind != RS_KIND_INVALID);
66        break;
67    }
68
69    switch (mType) {
70    case RS_TYPE_NONE:
71        return;
72    case RS_TYPE_UNSIGNED_5_6_5:
73        mVectorSize = 3;
74        mBits = 16;
75        mNormalized = true;
76        rsAssert(mKind == RS_KIND_PIXEL_RGB);
77        return;
78    case RS_TYPE_UNSIGNED_5_5_5_1:
79        mVectorSize = 4;
80        mBits = 16;
81        mNormalized = true;
82        rsAssert(mKind == RS_KIND_PIXEL_RGBA);
83        return;
84    case RS_TYPE_UNSIGNED_4_4_4_4:
85        mVectorSize = 4;
86        mBits = 16;
87        mNormalized = true;
88        rsAssert(mKind == RS_KIND_PIXEL_RGBA);
89        return;
90
91    case RS_TYPE_MATRIX_4X4:
92        mTypeBits = 16 * 32;
93        rsAssert(mVectorSize == 1);
94        rsAssert(mNormalized == false);
95        rsAssert(mKind == RS_KIND_USER);
96        break;
97    case RS_TYPE_MATRIX_3X3:
98        mTypeBits = 9 * 32;
99        rsAssert(mVectorSize == 1);
100        rsAssert(mNormalized == false);
101        rsAssert(mKind == RS_KIND_USER);
102        break;
103    case RS_TYPE_MATRIX_2X2:
104        mTypeBits = 4 * 32;
105        rsAssert(mVectorSize == 1);
106        rsAssert(mNormalized == false);
107        rsAssert(mKind == RS_KIND_USER);
108        break;
109
110    case RS_TYPE_ELEMENT:
111    case RS_TYPE_TYPE:
112    case RS_TYPE_ALLOCATION:
113    case RS_TYPE_SAMPLER:
114    case RS_TYPE_SCRIPT:
115    case RS_TYPE_MESH:
116    case RS_TYPE_PROGRAM_FRAGMENT:
117    case RS_TYPE_PROGRAM_VERTEX:
118    case RS_TYPE_PROGRAM_RASTER:
119    case RS_TYPE_PROGRAM_STORE:
120    case RS_TYPE_FONT:
121        rsAssert(mVectorSize == 1);
122        rsAssert(mNormalized == false);
123        rsAssert(mKind == RS_KIND_USER);
124        mBits = 32;
125        mTypeBits = 32;
126        return;
127
128    case RS_TYPE_FLOAT_16:
129        mTypeBits = 16;
130        mIsFloat = true;
131        break;
132    case RS_TYPE_FLOAT_32:
133        mTypeBits = 32;
134        mIsFloat = true;
135        break;
136    case RS_TYPE_FLOAT_64:
137        mTypeBits = 64;
138        mIsFloat = true;
139        break;
140    case RS_TYPE_SIGNED_8:
141        mTypeBits = 8;
142        mIsSigned = true;
143        break;
144    case RS_TYPE_SIGNED_16:
145        mTypeBits = 16;
146        mIsSigned = true;
147        break;
148    case RS_TYPE_SIGNED_32:
149        mTypeBits = 32;
150        mIsSigned = true;
151        break;
152    case RS_TYPE_SIGNED_64:
153        mTypeBits = 64;
154        mIsSigned = true;
155        break;
156    case RS_TYPE_UNSIGNED_8:
157        mTypeBits = 8;
158        break;
159    case RS_TYPE_UNSIGNED_16:
160        mTypeBits = 16;
161        break;
162    case RS_TYPE_UNSIGNED_32:
163        mTypeBits = 32;
164        break;
165    case RS_TYPE_UNSIGNED_64:
166        mTypeBits = 64;
167        break;
168
169    case RS_TYPE_BOOLEAN:
170        mTypeBits = 8;
171        break;
172    default:
173        rsAssert(mType != RS_TYPE_INVALID);
174        rsAssert(0);
175        break;
176    }
177
178    mBitsUnpadded = mTypeBits * mVectorSize;
179    mBits = mTypeBits * rsHigherPow2(mVectorSize);
180}
181
182bool Component::isReference() const {
183    return (mType >= RS_TYPE_ELEMENT);
184}
185
186static const char * gTypeBasicStrings[] = {
187    "NONE",
188    "F16",
189    "F32",
190    "F64",
191    "S8",
192    "S16",
193    "S32",
194    "S64",
195    "U8",
196    "U16",
197    "U32",
198    "U64",
199    "BOOLEAN",
200    "UP_565",
201    "UP_5551",
202    "UP_4444",
203    "MATRIX_4X4",
204    "MATRIX_3X3",
205    "MATRIX_2X2",
206};
207
208static const char * gTypeObjStrings[] = {
209    "ELEMENT",
210    "TYPE",
211    "ALLOCATION",
212    "SAMPLER",
213    "SCRIPT",
214    "MESH",
215    "PROGRAM_FRAGMENT",
216    "PROGRAM_VERTEX",
217    "PROGRAM_RASTER",
218    "PROGRAM_STORE",
219};
220
221static const char * gKindStrings[] = {
222    "USER",
223    "COLOR",
224    "POSITION",
225    "TEXTURE",
226    "NORMAL",
227    "INDEX",
228    "POINT_SIZE",
229    "PIXEL_L",
230    "PIXEL_A",
231    "PIXEL_LA",
232    "PIXEL_RGB",
233    "PIXEL_RGBA",
234};
235
236void Component::dumpLOGV(const char *prefix) const {
237    if (mType >= RS_TYPE_ELEMENT) {
238        ALOGV("%s   Component: %s, %s, vectorSize=%i, bits=%i",
239             prefix, gTypeObjStrings[mType - RS_TYPE_ELEMENT], gKindStrings[mKind], mVectorSize, mBits);
240    } else {
241        ALOGV("%s   Component: %s, %s, vectorSize=%i, bits=%i",
242             prefix, gTypeBasicStrings[mType], gKindStrings[mKind], mVectorSize, mBits);
243    }
244}
245
246void Component::serialize(OStream *stream) const {
247    stream->addU8((uint8_t)mType);
248    stream->addU8((uint8_t)mKind);
249    stream->addU8((uint8_t)(mNormalized ? 1 : 0));
250    stream->addU32(mVectorSize);
251}
252
253void Component::loadFromStream(IStream *stream) {
254    mType = (RsDataType)stream->loadU8();
255    mKind = (RsDataKind)stream->loadU8();
256    uint8_t temp = stream->loadU8();
257    mNormalized = temp != 0;
258    mVectorSize = stream->loadU32();
259
260    set(mType, mKind, mNormalized, mVectorSize);
261}
262
263
264
265
266