ProgramRaster.java revision 06d69de78845659e6904ae4964e606a7f1a6a4a8 
1/*
2 * Copyright (C) 2008 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 android.renderscript;
18
19
20import android.util.Config;
21import android.util.Log;
22
23
24/**
25 * @hide
26 *
27 **/
28public class ProgramRaster extends BaseObj {
29
30    public enum CullMode {
31        BACK (0),
32        FRONT (1),
33        NONE (2);
34
35        int mID;
36        CullMode(int id) {
37            mID = id;
38        }
39    }
40
41    boolean mPointSmooth;
42    boolean mLineSmooth;
43    boolean mPointSprite;
44    float mLineWidth;
45    CullMode mCullMode;
46
47    ProgramRaster(int id, RenderScript rs) {
48        super(id, rs);
49
50        mLineWidth = 1.0f;
51        mPointSmooth = false;
52        mLineSmooth = false;
53        mPointSprite = false;
54
55        mCullMode = CullMode.BACK;
56    }
57
58    void setLineWidth(float w) {
59        mRS.validate();
60        mLineWidth = w;
61        mRS.nProgramRasterSetLineWidth(getID(), w);
62    }
63
64    void setCullMode(CullMode m) {
65        mRS.validate();
66        mCullMode = m;
67        mRS.nProgramRasterSetCullMode(getID(), m.mID);
68    }
69
70    public static ProgramRaster CULL_BACK(RenderScript rs) {
71        if(rs.mProgramRaster_CULL_BACK == null) {
72            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
73            builder.setCullMode(CullMode.BACK);
74            rs.mProgramRaster_CULL_BACK = builder.create();
75        }
76        return rs.mProgramRaster_CULL_BACK;
77    }
78
79    public static ProgramRaster CULL_FRONT(RenderScript rs) {
80        if(rs.mProgramRaster_CULL_FRONT == null) {
81            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
82            builder.setCullMode(CullMode.FRONT);
83            rs.mProgramRaster_CULL_FRONT = builder.create();
84        }
85        return rs.mProgramRaster_CULL_FRONT;
86    }
87
88    public static ProgramRaster CULL_NONE(RenderScript rs) {
89        if(rs.mProgramRaster_CULL_NONE == null) {
90            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
91            builder.setCullMode(CullMode.NONE);
92            rs.mProgramRaster_CULL_NONE = builder.create();
93        }
94        return rs.mProgramRaster_CULL_NONE;
95    }
96
97    public static class Builder {
98        RenderScript mRS;
99        boolean mPointSprite;
100        boolean mPointSmooth;
101        boolean mLineSmooth;
102        CullMode mCullMode;
103
104        public Builder(RenderScript rs) {
105            mRS = rs;
106            mPointSmooth = false;
107            mLineSmooth = false;
108            mPointSprite = false;
109            mCullMode = CullMode.BACK;
110        }
111
112        public Builder setPointSpriteEnable(boolean enable) {
113            mPointSprite = enable;
114            return this;
115        }
116
117        public Builder setPointSmoothEnable(boolean enable) {
118            mPointSmooth = enable;
119            return this;
120        }
121
122        public Builder setLineSmoothEnable(boolean enable) {
123            mLineSmooth = enable;
124            return this;
125        }
126
127        public Builder setCullMode(CullMode m) {
128            mCullMode = m;
129            return this;
130        }
131
132        static synchronized ProgramRaster internalCreate(RenderScript rs, Builder b) {
133            int id = rs.nProgramRasterCreate(b.mPointSmooth, b.mLineSmooth, b.mPointSprite);
134            ProgramRaster pr = new ProgramRaster(id, rs);
135            pr.setCullMode(b.mCullMode);
136            return pr;
137        }
138
139        public ProgramRaster create() {
140            mRS.validate();
141            return internalCreate(mRS, this);
142        }
143    }
144
145}
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