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_4x4_H 18 #define ANDROID_RS_MATRIX_4x4_H 19 20 #include "rsType.h" 21 22 23 // --------------------------------------------------------------------------- 24 namespace android { 25 namespace renderscript { 26 27 struct Matrix4x4 : public rs_matrix4x4 { 28 float get(uint32_t row, uint32_t col) const { 29 return m[row*4 + col]; 30 } 31 32 void set(uint32_t row, uint32_t col, float v) { 33 m[row*4 + col] = v; 34 } 35 36 void loadIdentity(); 37 void load(const float *); 38 void load(const rs_matrix4x4 *); 39 void load(const rs_matrix3x3 *); 40 void load(const rs_matrix2x2 *); 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 rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs); 46 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 void loadPerspective(float fovy, float aspect, float near, float far); 50 51 void vectorMultiply(float *v4out, const float *v3in) const; 52 53 bool inverse(); 54 bool inverseTranspose(); 55 void transpose(); 56 57 void logv(const char *s) const; 58 59 60 void multiply(const rs_matrix4x4 *rhs) { 61 Matrix4x4 tmp; 62 tmp.loadMultiply(this, rhs); 63 load(&tmp); 64 } 65 void rotate(float rot, float x, float y, float z) { 66 Matrix4x4 tmp; 67 tmp.loadRotate(rot, x, y, z); 68 multiply(&tmp); 69 } 70 void scale(float x, float y, float z) { 71 Matrix4x4 tmp; 72 tmp.loadScale(x, y, z); 73 multiply(&tmp); 74 } 75 void translate(float x, float y, float z) { 76 Matrix4x4 tmp; 77 tmp.loadTranslate(x, y, z); 78 multiply(&tmp); 79 } 80 }; 81 82 } 83 } 84 85 86 87 88 #endif 89 90 91 92 93
