1 /*
2  * Copyright (C) 2011-2012 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 #ifndef ANDROID_RS_MATRIX_2x2_H
18 #define ANDROID_RS_MATRIX_2x2_H
19 
20 #include "rsType.h"
21 
22 
23 // ---------------------------------------------------------------------------
24 namespace android {
25 namespace renderscript {
26 
27 struct Matrix2x2 : public rs_matrix2x2 {
getMatrix2x228     inline float get(uint32_t col, uint32_t row) const {
29         return m[col*2 + row];
30     }
31 
setMatrix2x232     inline void set(uint32_t col, uint32_t row, float v) {
33         m[col*2 + row] = v;
34     }
35 
36     void loadIdentity();
37     void load(const float *);
38     void load(const rs_matrix2x2 *);
39 
40     void loadMultiply(const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs);
41 
42     void transpose();
43 
multiplyMatrix2x244     void multiply(const rs_matrix2x2 *rhs) {
45         loadMultiply(this, rhs);
46     }
47 };
48 
49 } // namespace renderscript
50 } // namespace android
51 
52 #endif  // ANDROID_RS_MATRIX_2x2_H
53