ProgramRaster.java revision a0c2eb27b408660b02fa248943166d6c7e447908 
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.Log;
21
22
23/** @deprecated renderscript is deprecated in J
24 * Program raster is primarily used to specify whether point sprites are enabled and to control
25 * the culling mode. By default, back faces are culled.
26 **/
27public class ProgramRaster extends BaseObj {
28
29    /** @deprecated renderscript is deprecated in J
30     */
31    public enum CullMode {
32        /** @deprecated renderscript is deprecated in J
33        */
34        BACK (0),
35        /** @deprecated renderscript is deprecated in J
36        */
37        FRONT (1),
38        /** @deprecated renderscript is deprecated in J
39        */
40        NONE (2);
41
42        int mID;
43        CullMode(int id) {
44            mID = id;
45        }
46    }
47
48    boolean mPointSprite;
49    CullMode mCullMode;
50
51    ProgramRaster(int id, RenderScript rs) {
52        super(id, rs);
53
54        mPointSprite = false;
55        mCullMode = CullMode.BACK;
56    }
57
58    /** @hide renderscript is deprecated in J
59     * Specifies whether vertices are rendered as screen aligned
60     * elements of a specified size
61     * @return whether point sprites are enabled
62     */
63    public boolean isPointSpriteEnabled() {
64        return mPointSprite;
65    }
66
67    /** @hide renderscript is deprecated in J
68     * Specifies how triangles are culled based on their orientation
69     * @return cull mode
70     */
71    public CullMode getCullMode() {
72        return mCullMode;
73    }
74
75    /** @deprecated renderscript is deprecated in J
76     */
77    public static ProgramRaster CULL_BACK(RenderScript rs) {
78        if(rs.mProgramRaster_CULL_BACK == null) {
79            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
80            builder.setCullMode(CullMode.BACK);
81            rs.mProgramRaster_CULL_BACK = builder.create();
82        }
83        return rs.mProgramRaster_CULL_BACK;
84    }
85
86    /** @deprecated renderscript is deprecated in J
87     */
88    public static ProgramRaster CULL_FRONT(RenderScript rs) {
89        if(rs.mProgramRaster_CULL_FRONT == null) {
90            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
91            builder.setCullMode(CullMode.FRONT);
92            rs.mProgramRaster_CULL_FRONT = builder.create();
93        }
94        return rs.mProgramRaster_CULL_FRONT;
95    }
96
97    /** @deprecated renderscript is deprecated in J
98     */
99    public static ProgramRaster CULL_NONE(RenderScript rs) {
100        if(rs.mProgramRaster_CULL_NONE == null) {
101            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
102            builder.setCullMode(CullMode.NONE);
103            rs.mProgramRaster_CULL_NONE = builder.create();
104        }
105        return rs.mProgramRaster_CULL_NONE;
106    }
107
108    /** @deprecated renderscript is deprecated in J
109     */
110    public static class Builder {
111        RenderScript mRS;
112        boolean mPointSprite;
113        CullMode mCullMode;
114
115        /** @deprecated renderscript is deprecated in J
116        */
117        public Builder(RenderScript rs) {
118            mRS = rs;
119            mPointSprite = false;
120            mCullMode = CullMode.BACK;
121        }
122
123        /** @deprecated renderscript is deprecated in J
124        */
125        public Builder setPointSpriteEnabled(boolean enable) {
126            mPointSprite = enable;
127            return this;
128        }
129
130        /** @deprecated renderscript is deprecated in J
131        */
132        public Builder setCullMode(CullMode m) {
133            mCullMode = m;
134            return this;
135        }
136
137        /** @deprecated renderscript is deprecated in J
138        */
139        public ProgramRaster create() {
140            mRS.validate();
141            int id = mRS.nProgramRasterCreate(mPointSprite, mCullMode.mID);
142            ProgramRaster programRaster = new ProgramRaster(id, mRS);
143            programRaster.mPointSprite = mPointSprite;
144            programRaster.mCullMode = mCullMode;
145            return programRaster;
146        }
147    }
148
149}
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