xref: /aosp_15_r20/frameworks/rs/rsMatrix4x4.h (revision e1eccf28f96817838ad6867f7f39d2351ec11f56)
1*e1eccf28SAndroid Build Coastguard Worker /*
2*e1eccf28SAndroid Build Coastguard Worker  * Copyright (C) 2009-2012 The Android Open Source Project
3*e1eccf28SAndroid Build Coastguard Worker  *
4*e1eccf28SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*e1eccf28SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*e1eccf28SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*e1eccf28SAndroid Build Coastguard Worker  *
8*e1eccf28SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*e1eccf28SAndroid Build Coastguard Worker  *
10*e1eccf28SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*e1eccf28SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*e1eccf28SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*e1eccf28SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*e1eccf28SAndroid Build Coastguard Worker  * limitations under the License.
15*e1eccf28SAndroid Build Coastguard Worker  */
16*e1eccf28SAndroid Build Coastguard Worker 
17*e1eccf28SAndroid Build Coastguard Worker #ifndef ANDROID_RS_MATRIX_4x4_H
18*e1eccf28SAndroid Build Coastguard Worker #define ANDROID_RS_MATRIX_4x4_H
19*e1eccf28SAndroid Build Coastguard Worker 
20*e1eccf28SAndroid Build Coastguard Worker #include "rsType.h"
21*e1eccf28SAndroid Build Coastguard Worker 
22*e1eccf28SAndroid Build Coastguard Worker 
23*e1eccf28SAndroid Build Coastguard Worker // ---------------------------------------------------------------------------
24*e1eccf28SAndroid Build Coastguard Worker namespace android {
25*e1eccf28SAndroid Build Coastguard Worker namespace renderscript {
26*e1eccf28SAndroid Build Coastguard Worker 
27*e1eccf28SAndroid Build Coastguard Worker struct Matrix4x4 : public rs_matrix4x4 {
getMatrix4x428*e1eccf28SAndroid Build Coastguard Worker     float get(uint32_t col, uint32_t row) const {
29*e1eccf28SAndroid Build Coastguard Worker         return m[col*4 + row];
30*e1eccf28SAndroid Build Coastguard Worker     }
31*e1eccf28SAndroid Build Coastguard Worker 
setMatrix4x432*e1eccf28SAndroid Build Coastguard Worker     void set(uint32_t col, uint32_t row, float v) {
33*e1eccf28SAndroid Build Coastguard Worker         m[col*4 + row] = v;
34*e1eccf28SAndroid Build Coastguard Worker     }
35*e1eccf28SAndroid Build Coastguard Worker 
36*e1eccf28SAndroid Build Coastguard Worker     void loadIdentity();
37*e1eccf28SAndroid Build Coastguard Worker     void load(const float *);
38*e1eccf28SAndroid Build Coastguard Worker     void load(const rs_matrix4x4 *);
39*e1eccf28SAndroid Build Coastguard Worker     void load(const rs_matrix3x3 *);
40*e1eccf28SAndroid Build Coastguard Worker     void load(const rs_matrix2x2 *);
41*e1eccf28SAndroid Build Coastguard Worker 
42*e1eccf28SAndroid Build Coastguard Worker     void loadRotate(float rot, float x, float y, float z);
43*e1eccf28SAndroid Build Coastguard Worker     void loadScale(float x, float y, float z);
44*e1eccf28SAndroid Build Coastguard Worker     void loadTranslate(float x, float y, float z);
45*e1eccf28SAndroid Build Coastguard Worker     void loadMultiply(const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs);
46*e1eccf28SAndroid Build Coastguard Worker 
47*e1eccf28SAndroid Build Coastguard Worker     void loadOrtho(float l, float r, float b, float t, float n, float f);
48*e1eccf28SAndroid Build Coastguard Worker     void loadFrustum(float l, float r, float b, float t, float n, float f);
49*e1eccf28SAndroid Build Coastguard Worker     void loadPerspective(float fovy, float aspect, float near, float far);
50*e1eccf28SAndroid Build Coastguard Worker 
51*e1eccf28SAndroid Build Coastguard Worker     // Note: This assumes that the input vector (in) is of length 3.
52*e1eccf28SAndroid Build Coastguard Worker     void vectorMultiply(float *v4out, const float *v3in) const;
53*e1eccf28SAndroid Build Coastguard Worker 
54*e1eccf28SAndroid Build Coastguard Worker     bool inverse();
55*e1eccf28SAndroid Build Coastguard Worker     bool inverseTranspose();
56*e1eccf28SAndroid Build Coastguard Worker     void transpose();
57*e1eccf28SAndroid Build Coastguard Worker 
58*e1eccf28SAndroid Build Coastguard Worker     void logv(const char *s) const;
59*e1eccf28SAndroid Build Coastguard Worker 
60*e1eccf28SAndroid Build Coastguard Worker 
multiplyMatrix4x461*e1eccf28SAndroid Build Coastguard Worker     void multiply(const rs_matrix4x4 *rhs) {
62*e1eccf28SAndroid Build Coastguard Worker         loadMultiply(this, rhs);
63*e1eccf28SAndroid Build Coastguard Worker     }
rotateMatrix4x464*e1eccf28SAndroid Build Coastguard Worker     void rotate(float rot, float x, float y, float z) {
65*e1eccf28SAndroid Build Coastguard Worker         Matrix4x4 tmp;
66*e1eccf28SAndroid Build Coastguard Worker         tmp.loadRotate(rot, x, y, z);
67*e1eccf28SAndroid Build Coastguard Worker         multiply(&tmp);
68*e1eccf28SAndroid Build Coastguard Worker     }
scaleMatrix4x469*e1eccf28SAndroid Build Coastguard Worker     void scale(float x, float y, float z) {
70*e1eccf28SAndroid Build Coastguard Worker         Matrix4x4 tmp;
71*e1eccf28SAndroid Build Coastguard Worker         tmp.loadScale(x, y, z);
72*e1eccf28SAndroid Build Coastguard Worker         multiply(&tmp);
73*e1eccf28SAndroid Build Coastguard Worker     }
translateMatrix4x474*e1eccf28SAndroid Build Coastguard Worker     void translate(float x, float y, float z) {
75*e1eccf28SAndroid Build Coastguard Worker         Matrix4x4 tmp;
76*e1eccf28SAndroid Build Coastguard Worker         tmp.loadTranslate(x, y, z);
77*e1eccf28SAndroid Build Coastguard Worker         multiply(&tmp);
78*e1eccf28SAndroid Build Coastguard Worker     }
79*e1eccf28SAndroid Build Coastguard Worker };
80*e1eccf28SAndroid Build Coastguard Worker 
81*e1eccf28SAndroid Build Coastguard Worker } // namespace renderscript
82*e1eccf28SAndroid Build Coastguard Worker } // namespace android
83*e1eccf28SAndroid Build Coastguard Worker 
84*e1eccf28SAndroid Build Coastguard Worker #endif  // ANDROID_RS_MATRIX_4x4_H
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