Sampler.java revision 771bebb94054d06f97284379c93a2620613513c3 
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 java.io.IOException;
21import java.io.InputStream;
22
23import android.content.res.Resources;
24import android.os.Bundle;
25import android.util.Config;
26import android.util.Log;
27
28import android.graphics.Bitmap;
29import android.graphics.BitmapFactory;
30
31/**
32 * @hide
33 *
34 **/
35public class Sampler extends BaseObj {
36    public enum Value {
37        NEAREST (0),
38        LINEAR (1),
39        LINEAR_MIP_LINEAR (2),
40        WRAP (3),
41        CLAMP (4);
42
43        int mID;
44        Value(int id) {
45            mID = id;
46        }
47    }
48
49    Sampler(int id, RenderScript rs) {
50        super(rs);
51        mID = id;
52    }
53
54    public static class Builder {
55        RenderScript mRS;
56        Value mMin;
57        Value mMag;
58        Value mWrapS;
59        Value mWrapT;
60        Value mWrapR;
61
62        public Builder(RenderScript rs) {
63            mRS = rs;
64            mMin = Value.NEAREST;
65            mMag = Value.NEAREST;
66            mWrapS = Value.WRAP;
67            mWrapT = Value.WRAP;
68            mWrapR = Value.WRAP;
69        }
70
71        public void setMin(Value v) {
72            mMin = v;
73        }
74
75        public void setMag(Value v) {
76            mMag = v;
77        }
78
79        public void setWrapS(Value v) {
80            mWrapS = v;
81        }
82
83        public void setWrapT(Value v) {
84            mWrapT = v;
85        }
86
87        public void setWrapR(Value v) {
88            mWrapR = v;
89        }
90
91        static synchronized Sampler internalCreate(RenderScript rs, Builder b) {
92            rs.nSamplerBegin();
93            rs.nSamplerSet(0, b.mMin.mID);
94            rs.nSamplerSet(1, b.mMag.mID);
95            rs.nSamplerSet(2, b.mWrapS.mID);
96            rs.nSamplerSet(3, b.mWrapT.mID);
97            rs.nSamplerSet(4, b.mWrapR.mID);
98            int id = rs.nSamplerCreate();
99            return new Sampler(id, rs);
100        }
101
102        public Sampler create() {
103            mRS.validate();
104            return internalCreate(mRS, this);
105        }
106    }
107
108}
109
110