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/rs/java/android/renderscript/ProgramRaster.java

https://github.com/aizuzi/platform_frameworks_base
Java | 171 lines | 76 code | 27 blank | 68 comment | 6 complexity | 88c0799479f6f6a477465f4f8162e7b1 MD5 | raw file
  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/**
 24 * @hide
 25 * @deprecated in API 16
 26 * Program raster is primarily used to specify whether point sprites are enabled and to control
 27 * the culling mode. By default, back faces are culled.
 28 **/
 29public class ProgramRaster extends BaseObj {
 30
 31    /**
 32     * @deprecated in API 16
 33     **/
 34    public enum CullMode {
 35        /**
 36         * @deprecated in API 16
 37         **/
 38        BACK (0),
 39        /**
 40         * @deprecated in API 16
 41         **/
 42        FRONT (1),
 43        /**
 44         * @deprecated in API 16
 45         **/
 46        NONE (2);
 47
 48        int mID;
 49        CullMode(int id) {
 50            mID = id;
 51        }
 52    }
 53
 54    boolean mPointSprite;
 55    CullMode mCullMode;
 56
 57    ProgramRaster(long id, RenderScript rs) {
 58        super(id, rs);
 59
 60        mPointSprite = false;
 61        mCullMode = CullMode.BACK;
 62    }
 63
 64    /**
 65     * @deprecated in API 16
 66     * Specifies whether vertices are rendered as screen aligned
 67     * elements of a specified size
 68     * @return whether point sprites are enabled
 69     */
 70    public boolean isPointSpriteEnabled() {
 71        return mPointSprite;
 72    }
 73
 74    /**
 75     * @deprecated in API 16
 76     * Specifies how triangles are culled based on their orientation
 77     * @return cull mode
 78     */
 79    public CullMode getCullMode() {
 80        return mCullMode;
 81    }
 82
 83    /**
 84     * @deprecated in API 16
 85     */
 86    public static ProgramRaster CULL_BACK(RenderScript rs) {
 87        if(rs.mProgramRaster_CULL_BACK == null) {
 88            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
 89            builder.setCullMode(CullMode.BACK);
 90            rs.mProgramRaster_CULL_BACK = builder.create();
 91        }
 92        return rs.mProgramRaster_CULL_BACK;
 93    }
 94
 95    /**
 96     * @deprecated in API 16
 97     */
 98    public static ProgramRaster CULL_FRONT(RenderScript rs) {
 99        if(rs.mProgramRaster_CULL_FRONT == null) {
100            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
101            builder.setCullMode(CullMode.FRONT);
102            rs.mProgramRaster_CULL_FRONT = builder.create();
103        }
104        return rs.mProgramRaster_CULL_FRONT;
105    }
106
107    /**
108     * @deprecated in API 16
109     */
110    public static ProgramRaster CULL_NONE(RenderScript rs) {
111        if(rs.mProgramRaster_CULL_NONE == null) {
112            ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
113            builder.setCullMode(CullMode.NONE);
114            rs.mProgramRaster_CULL_NONE = builder.create();
115        }
116        return rs.mProgramRaster_CULL_NONE;
117    }
118
119    /**
120     * @deprecated in API 16
121     */
122    public static class Builder {
123        RenderScript mRS;
124        boolean mPointSprite;
125        CullMode mCullMode;
126
127        /**
128         * @deprecated in API 16
129         */
130        public Builder(RenderScript rs) {
131            mRS = rs;
132            mPointSprite = false;
133            mCullMode = CullMode.BACK;
134        }
135
136        /**
137         * @deprecated in API 16
138         */
139        public Builder setPointSpriteEnabled(boolean enable) {
140            mPointSprite = enable;
141            return this;
142        }
143
144        /**
145         * @deprecated in API 16
146         */
147        public Builder setCullMode(CullMode m) {
148            mCullMode = m;
149            return this;
150        }
151
152        /**
153         * @deprecated in API 16
154         */
155        public ProgramRaster create() {
156            mRS.validate();
157            long id = mRS.nProgramRasterCreate(mPointSprite, mCullMode.mID);
158            ProgramRaster programRaster = new ProgramRaster(id, mRS);
159            programRaster.mPointSprite = mPointSprite;
160            programRaster.mCullMode = mCullMode;
161            return programRaster;
162        }
163    }
164
165}
166
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