Float4Param.java revision dd1da451159578d865230ceada3e1f0058e3c18e 
1/*
2 * Copyright (C) 2011 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
17package com.android.scenegraph;
18
19import java.lang.Math;
20import java.util.ArrayList;
21
22import android.renderscript.RenderScriptGL;
23import android.renderscript.Float4;
24import android.renderscript.Matrix4f;
25import android.renderscript.ProgramFragment;
26import android.renderscript.ProgramStore;
27import android.renderscript.ProgramVertex;
28import android.renderscript.Element;
29import android.util.Log;
30
31/**
32 * @hide
33 */
34public class Float4Param extends ShaderParam {
35
36    Float4 mValue;
37    Camera mCamera;
38    LightBase mLight;
39    int mVecSize;
40
41    public Float4Param(String name) {
42        super(name);
43        mValue = new Float4();
44    }
45
46    public void setValue(Float4 v) {
47        mValue = v;
48    }
49
50    public Float4 getValue() {
51        return mValue;
52    }
53
54    public void setVecSize(int vecSize) {
55        mVecSize = vecSize;
56    }
57
58    public void setCamera(Camera c) {
59        mCamera = c;
60    }
61
62    public void setLight(LightBase l) {
63        mLight = l;
64    }
65
66    int getTypeFromName() {
67        int paramType = FLOAT4_DATA;
68        if (mParamName.equalsIgnoreCase(cameraPos)) {
69            paramType = FLOAT4_CAMERA_POS;
70        } else if(mParamName.equalsIgnoreCase(cameraDir)) {
71            paramType = FLOAT4_CAMERA_DIR;
72        } else if(mParamName.equalsIgnoreCase(lightColor)) {
73            paramType = FLOAT4_LIGHT_COLOR;
74        } else if(mParamName.equalsIgnoreCase(lightPos)) {
75            paramType = FLOAT4_LIGHT_POS;
76        } else if(mParamName.equalsIgnoreCase(lightDir)) {
77            paramType = FLOAT4_LIGHT_DIR;
78        }
79        return paramType;
80    }
81
82    void initLocalData(RenderScriptGL rs) {
83        mRsFieldItem.type = getTypeFromName();
84        mRsFieldItem.bufferOffset = mOffset;
85        mRsFieldItem.float_value = mValue;
86        mRsFieldItem.float_vecSize = mVecSize;
87        if (mCamera != null) {
88            mRsFieldItem.camera = mCamera.getRSData(rs).getAllocation();
89        }
90        if (mLight != null) {
91            mRsFieldItem.light = mLight.getRSData(rs).getAllocation();
92        }
93    }
94}
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