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 #include "rsContext.h"
18
19 #include <GLES/gl.h>
20
21 using namespace android;
22 using namespace android::renderscript;
23
24
Light(Context * rsc,bool isLocal,bool isMono)25 Light::Light(Context *rsc, bool isLocal, bool isMono) : ObjectBase(rsc)
26 {
27 mAllocFile = __FILE__;
28 mAllocLine = __LINE__;
29 mIsLocal = isLocal;
30 mIsMono = isMono;
31
32 mPosition[0] = 0;
33 mPosition[1] = 0;
34 mPosition[2] = 1;
35 mPosition[3] = 0;
36
37 mColor[0] = 1.f;
38 mColor[1] = 1.f;
39 mColor[2] = 1.f;
40 mColor[3] = 1.f;
41 }
42
~Light()43 Light::~Light()
44 {
45 }
46
setPosition(float x,float y,float z)47 void Light::setPosition(float x, float y, float z)
48 {
49 mPosition[0] = x;
50 mPosition[1] = y;
51 mPosition[2] = z;
52 }
53
setColor(float r,float g,float b)54 void Light::setColor(float r, float g, float b)
55 {
56 mColor[0] = r;
57 mColor[1] = g;
58 mColor[2] = b;
59 }
60
setupGL(uint32_t num) const61 void Light::setupGL(uint32_t num) const
62 {
63 glLightfv(GL_LIGHT0 + num, GL_DIFFUSE, mColor);
64 glLightfv(GL_LIGHT0 + num, GL_SPECULAR, mColor);
65 glLightfv(GL_LIGHT0 + num, GL_POSITION, mPosition);
66 }
67
68 ////////////////////////////////////////////
69
LightState()70 LightState::LightState()
71 {
72 clear();
73 }
74
~LightState()75 LightState::~LightState()
76 {
77 }
78
clear()79 void LightState::clear()
80 {
81 mIsLocal = false;
82 mIsMono = false;
83 }
84
85
86 ////////////////////////////////////////////////////
87 //
88
89 namespace android {
90 namespace renderscript {
91
rsi_LightBegin(Context * rsc)92 void rsi_LightBegin(Context *rsc)
93 {
94 rsc->mStateLight.clear();
95 }
96
rsi_LightSetLocal(Context * rsc,bool isLocal)97 void rsi_LightSetLocal(Context *rsc, bool isLocal)
98 {
99 rsc->mStateLight.mIsLocal = isLocal;
100 }
101
rsi_LightSetMonochromatic(Context * rsc,bool isMono)102 void rsi_LightSetMonochromatic(Context *rsc, bool isMono)
103 {
104 rsc->mStateLight.mIsMono = isMono;
105 }
106
rsi_LightCreate(Context * rsc)107 RsLight rsi_LightCreate(Context *rsc)
108 {
109 Light *l = new Light(rsc, rsc->mStateLight.mIsLocal,
110 rsc->mStateLight.mIsMono);
111 l->incUserRef();
112 return l;
113 }
114
rsi_LightSetColor(Context * rsc,RsLight vl,float r,float g,float b)115 void rsi_LightSetColor(Context *rsc, RsLight vl, float r, float g, float b)
116 {
117 Light *l = static_cast<Light *>(vl);
118 l->setColor(r, g, b);
119 }
120
rsi_LightSetPosition(Context * rsc,RsLight vl,float x,float y,float z)121 void rsi_LightSetPosition(Context *rsc, RsLight vl, float x, float y, float z)
122 {
123 Light *l = static_cast<Light *>(vl);
124 l->setPosition(x, y, z);
125 }
126
127
128
129 }
130 }
131