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 17 package android.renderscript; 18 19 import android.annotation.UnsupportedAppUsage; 20 21 22 /** 23 * @hide 24 * @deprecated in API 16 25 * Program raster is primarily used to specify whether point sprites are enabled and to control 26 * the culling mode. By default, back faces are culled. 27 **/ 28 public class ProgramRaster extends BaseObj { 29 30 /** 31 * @deprecated in API 16 32 **/ 33 public enum CullMode { 34 /** 35 * @deprecated in API 16 36 **/ 37 BACK (0), 38 /** 39 * @deprecated in API 16 40 **/ 41 FRONT (1), 42 /** 43 * @deprecated in API 16 44 **/ 45 NONE (2); 46 47 int mID; CullMode(int id)48 CullMode(int id) { 49 mID = id; 50 } 51 } 52 53 boolean mPointSprite; 54 CullMode mCullMode; 55 ProgramRaster(long id, RenderScript rs)56 ProgramRaster(long id, RenderScript rs) { 57 super(id, rs); 58 59 mPointSprite = false; 60 mCullMode = CullMode.BACK; 61 } 62 63 /** 64 * @deprecated in API 16 65 * Specifies whether vertices are rendered as screen aligned 66 * elements of a specified size 67 * @return whether point sprites are enabled 68 */ isPointSpriteEnabled()69 public boolean isPointSpriteEnabled() { 70 return mPointSprite; 71 } 72 73 /** 74 * @deprecated in API 16 75 * Specifies how triangles are culled based on their orientation 76 * @return cull mode 77 */ getCullMode()78 public CullMode getCullMode() { 79 return mCullMode; 80 } 81 82 /** 83 * @deprecated in API 16 84 */ CULL_BACK(RenderScript rs)85 public static ProgramRaster CULL_BACK(RenderScript rs) { 86 if(rs.mProgramRaster_CULL_BACK == null) { 87 ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); 88 builder.setCullMode(CullMode.BACK); 89 rs.mProgramRaster_CULL_BACK = builder.create(); 90 } 91 return rs.mProgramRaster_CULL_BACK; 92 } 93 94 /** 95 * @deprecated in API 16 96 */ CULL_FRONT(RenderScript rs)97 public static ProgramRaster CULL_FRONT(RenderScript rs) { 98 if(rs.mProgramRaster_CULL_FRONT == null) { 99 ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); 100 builder.setCullMode(CullMode.FRONT); 101 rs.mProgramRaster_CULL_FRONT = builder.create(); 102 } 103 return rs.mProgramRaster_CULL_FRONT; 104 } 105 106 /** 107 * @deprecated in API 16 108 */ CULL_NONE(RenderScript rs)109 public static ProgramRaster CULL_NONE(RenderScript rs) { 110 if(rs.mProgramRaster_CULL_NONE == null) { 111 ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); 112 builder.setCullMode(CullMode.NONE); 113 rs.mProgramRaster_CULL_NONE = builder.create(); 114 } 115 return rs.mProgramRaster_CULL_NONE; 116 } 117 118 /** 119 * @deprecated in API 16 120 */ 121 public static class Builder { 122 RenderScript mRS; 123 boolean mPointSprite; 124 CullMode mCullMode; 125 126 /** 127 * @deprecated in API 16 128 */ 129 @UnsupportedAppUsage Builder(RenderScript rs)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 @UnsupportedAppUsage setPointSpriteEnabled(boolean enable)140 public Builder setPointSpriteEnabled(boolean enable) { 141 mPointSprite = enable; 142 return this; 143 } 144 145 /** 146 * @deprecated in API 16 147 */ setCullMode(CullMode m)148 public Builder setCullMode(CullMode m) { 149 mCullMode = m; 150 return this; 151 } 152 153 /** 154 * @deprecated in API 16 155 */ 156 @UnsupportedAppUsage create()157 public ProgramRaster create() { 158 mRS.validate(); 159 long id = mRS.nProgramRasterCreate(mPointSprite, mCullMode.mID); 160 ProgramRaster programRaster = new ProgramRaster(id, mRS); 161 programRaster.mPointSprite = mPointSprite; 162 programRaster.mCullMode = mCullMode; 163 return programRaster; 164 } 165 } 166 167 } 168 169 170 171 172 173 174