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Jason Sams326e0dd2009-05-22 14:03:28 -07001/*
Stephen Hines411f5992012-07-10 15:38:09 -07002 * Copyright (C) 2009-2012 The Android Open Source Project
Jason Sams326e0dd2009-05-22 14:03:28 -07003 *
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
Jason Sams87fe59a2011-04-20 15:09:01 -070017#ifndef ANDROID_RS_MATRIX_4x4_H
18#define ANDROID_RS_MATRIX_4x4_H
Jason Sams326e0dd2009-05-22 14:03:28 -070019
Jason Sams87fe59a2011-04-20 15:09:01 -070020#include "rsType.h"
Jason Sams326e0dd2009-05-22 14:03:28 -070021
22
23// ---------------------------------------------------------------------------
24namespace android {
25namespace renderscript {
26
Jason Sams87fe59a2011-04-20 15:09:01 -070027struct Matrix4x4 : public rs_matrix4x4 {
Stephen Hines411f5992012-07-10 15:38:09 -070028 float get(uint32_t x, uint32_t y) const {
29 return m[x*4 + y];
Jason Sams326e0dd2009-05-22 14:03:28 -070030 }
31
Stephen Hines411f5992012-07-10 15:38:09 -070032 void set(uint32_t x, uint32_t y, float v) {
33 m[x*4 + y] = v;
Jason Sams326e0dd2009-05-22 14:03:28 -070034 }
35
36 void loadIdentity();
37 void load(const float *);
Jason Sams87fe59a2011-04-20 15:09:01 -070038 void load(const rs_matrix4x4 *);
39 void load(const rs_matrix3x3 *);
40 void load(const rs_matrix2x2 *);
Jason Sams326e0dd2009-05-22 14:03:28 -070041
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);
Jason Sams87fe59a2011-04-20 15:09:01 -070045 void loadMultiply(const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs);
Jason Sams326e0dd2009-05-22 14:03:28 -070046
Jason Sams8ce125b2009-06-17 16:52:59 -070047 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);
Jason Sams87fe59a2011-04-20 15:09:01 -070049 void loadPerspective(float fovy, float aspect, float near, float far);
Jason Sams8ce125b2009-06-17 16:52:59 -070050
Jason Sams3a97c592009-09-30 17:36:20 -070051 void vectorMultiply(float *v4out, const float *v3in) const;
52
Jason Sams87fe59a2011-04-20 15:09:01 -070053 bool inverse();
54 bool inverseTranspose();
55 void transpose();
56
Jason Samsf47fb9b2011-04-22 14:24:17 -070057 void logv(const char *s) const;
Jason Sams87fe59a2011-04-20 15:09:01 -070058
59
60 void multiply(const rs_matrix4x4 *rhs) {
61 Matrix4x4 tmp;
Jason Sams326e0dd2009-05-22 14:03:28 -070062 tmp.loadMultiply(this, rhs);
63 load(&tmp);
64 }
65 void rotate(float rot, float x, float y, float z) {
Jason Sams87fe59a2011-04-20 15:09:01 -070066 Matrix4x4 tmp;
Jason Sams326e0dd2009-05-22 14:03:28 -070067 tmp.loadRotate(rot, x, y, z);
68 multiply(&tmp);
69 }
70 void scale(float x, float y, float z) {
Jason Sams87fe59a2011-04-20 15:09:01 -070071 Matrix4x4 tmp;
Jason Sams326e0dd2009-05-22 14:03:28 -070072 tmp.loadScale(x, y, z);
73 multiply(&tmp);
74 }
75 void translate(float x, float y, float z) {
Jason Sams87fe59a2011-04-20 15:09:01 -070076 Matrix4x4 tmp;
Jason Sams326e0dd2009-05-22 14:03:28 -070077 tmp.loadTranslate(x, y, z);
78 multiply(&tmp);
79 }
Jason Sams326e0dd2009-05-22 14:03:28 -070080};
Jason Sams3a97c592009-09-30 17:36:20 -070081
Jason Sams326e0dd2009-05-22 14:03:28 -070082}
83}
84
Stephen Hines411f5992012-07-10 15:38:09 -070085#endif // ANDROID_RS_MATRIX_4x4_H