Jason Sams | 326e0dd | 2009-05-22 14:03:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 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_H |
| 18 | #define ANDROID_RS_MATRIX_H |
| 19 | |
| 20 | |
| 21 | |
| 22 | // --------------------------------------------------------------------------- |
| 23 | namespace android { |
| 24 | namespace renderscript { |
| 25 | |
| 26 | struct Matrix |
| 27 | { |
| 28 | float m[16]; |
| 29 | |
| 30 | inline float get(int i, int j) const { |
| 31 | return m[i*4 + j]; |
| 32 | } |
| 33 | |
| 34 | inline void set(int i, int j, float v) { |
| 35 | m[i*4 + j] = v; |
| 36 | } |
| 37 | |
| 38 | void loadIdentity(); |
| 39 | void load(const float *); |
| 40 | void load(const Matrix *); |
| 41 | |
| 42 | void loadRotate(float rot, float x, float y, float z); |
| 43 | void loadScale(float x, float y, float z); |
| 44 | void loadTranslate(float x, float y, float z); |
| 45 | void loadMultiply(const Matrix *lhs, const Matrix *rhs); |
| 46 | |
Jason Sams | 8ce125b | 2009-06-17 16:52:59 -0700 | [diff] [blame] | 47 | void loadOrtho(float l, float r, float b, float t, float n, float f); |
| 48 | void loadFrustum(float l, float r, float b, float t, float n, float f); |
| 49 | |
Jason Sams | 326e0dd | 2009-05-22 14:03:28 -0700 | [diff] [blame] | 50 | void multiply(const Matrix *rhs) { |
| 51 | Matrix tmp; |
| 52 | tmp.loadMultiply(this, rhs); |
| 53 | load(&tmp); |
| 54 | } |
| 55 | void rotate(float rot, float x, float y, float z) { |
| 56 | Matrix tmp; |
| 57 | tmp.loadRotate(rot, x, y, z); |
| 58 | multiply(&tmp); |
| 59 | } |
| 60 | void scale(float x, float y, float z) { |
| 61 | Matrix tmp; |
| 62 | tmp.loadScale(x, y, z); |
| 63 | multiply(&tmp); |
| 64 | } |
| 65 | void translate(float x, float y, float z) { |
| 66 | Matrix tmp; |
| 67 | tmp.loadTranslate(x, y, z); |
| 68 | multiply(&tmp); |
| 69 | } |
| 70 | |
| 71 | |
| 72 | |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | #endif |
| 84 | |
| 85 | |
| 86 | |
| 87 | |