Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 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 | |
| 20 | import java.io.IOException; |
| 21 | import java.io.InputStream; |
| 22 | |
| 23 | import android.content.res.Resources; |
| 24 | import android.os.Bundle; |
| 25 | import android.util.Config; |
| 26 | import android.util.Log; |
| 27 | |
| 28 | import android.graphics.Bitmap; |
| 29 | import android.graphics.BitmapFactory; |
| 30 | |
| 31 | /** |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 32 | * Sampler object which defines how data is extracted from textures. Samplers |
| 33 | * are attached to Program objects (currently only fragment) when those objects |
| 34 | * need to access texture data. |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 35 | **/ |
| 36 | public class Sampler extends BaseObj { |
| 37 | public enum Value { |
| 38 | NEAREST (0), |
| 39 | LINEAR (1), |
| 40 | LINEAR_MIP_LINEAR (2), |
Alex Sakhartchouk | 0857196 | 2010-12-15 09:59:58 -0800 | [diff] [blame] | 41 | LINEAR_MIP_NEAREST (5), |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 42 | WRAP (3), |
| 43 | CLAMP (4); |
| 44 | |
| 45 | int mID; |
| 46 | Value(int id) { |
| 47 | mID = id; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | Sampler(int id, RenderScript rs) { |
Alex Sakhartchouk | 0de9444 | 2010-08-11 14:41:28 -0700 | [diff] [blame] | 52 | super(id, rs); |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 53 | } |
| 54 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 55 | /** |
| 56 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 57 | * clamp. |
| 58 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 59 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 60 | * |
| 61 | * @return Sampler |
| 62 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 63 | public static Sampler CLAMP_NEAREST(RenderScript rs) { |
| 64 | if(rs.mSampler_CLAMP_NEAREST == null) { |
| 65 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 66 | b.setMinification(Value.NEAREST); |
| 67 | b.setMagnification(Value.NEAREST); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 68 | b.setWrapS(Value.CLAMP); |
| 69 | b.setWrapT(Value.CLAMP); |
| 70 | rs.mSampler_CLAMP_NEAREST = b.create(); |
| 71 | } |
| 72 | return rs.mSampler_CLAMP_NEAREST; |
| 73 | } |
| 74 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 75 | /** |
| 76 | * Retrieve a sampler with min and mag set to linear and wrap modes set to |
| 77 | * clamp. |
| 78 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 79 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 80 | * |
| 81 | * @return Sampler |
| 82 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 83 | public static Sampler CLAMP_LINEAR(RenderScript rs) { |
| 84 | if(rs.mSampler_CLAMP_LINEAR == null) { |
| 85 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 86 | b.setMinification(Value.LINEAR); |
| 87 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 88 | b.setWrapS(Value.CLAMP); |
| 89 | b.setWrapT(Value.CLAMP); |
| 90 | rs.mSampler_CLAMP_LINEAR = b.create(); |
| 91 | } |
| 92 | return rs.mSampler_CLAMP_LINEAR; |
| 93 | } |
| 94 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 95 | /** |
| 96 | * Retrieve a sampler with ag set to linear, min linear mipmap linear, and |
| 97 | * to and wrap modes set to clamp. |
| 98 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 99 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 100 | * |
| 101 | * @return Sampler |
| 102 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 103 | public static Sampler CLAMP_LINEAR_MIP_LINEAR(RenderScript rs) { |
| 104 | if(rs.mSampler_CLAMP_LINEAR_MIP_LINEAR == null) { |
| 105 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 106 | b.setMinification(Value.LINEAR_MIP_LINEAR); |
| 107 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 108 | b.setWrapS(Value.CLAMP); |
| 109 | b.setWrapT(Value.CLAMP); |
| 110 | rs.mSampler_CLAMP_LINEAR_MIP_LINEAR = b.create(); |
| 111 | } |
| 112 | return rs.mSampler_CLAMP_LINEAR_MIP_LINEAR; |
| 113 | } |
| 114 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 115 | /** |
| 116 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 117 | * wrap. |
| 118 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 119 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 120 | * |
| 121 | * @return Sampler |
| 122 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 123 | public static Sampler WRAP_NEAREST(RenderScript rs) { |
| 124 | if(rs.mSampler_WRAP_NEAREST == null) { |
| 125 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 126 | b.setMinification(Value.NEAREST); |
| 127 | b.setMagnification(Value.NEAREST); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 128 | b.setWrapS(Value.WRAP); |
| 129 | b.setWrapT(Value.WRAP); |
| 130 | rs.mSampler_WRAP_NEAREST = b.create(); |
| 131 | } |
| 132 | return rs.mSampler_WRAP_NEAREST; |
| 133 | } |
| 134 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 135 | /** |
| 136 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 137 | * wrap. |
| 138 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 139 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 140 | * |
| 141 | * @return Sampler |
| 142 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 143 | public static Sampler WRAP_LINEAR(RenderScript rs) { |
| 144 | if(rs.mSampler_WRAP_LINEAR == null) { |
| 145 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 146 | b.setMinification(Value.LINEAR); |
| 147 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 148 | b.setWrapS(Value.WRAP); |
| 149 | b.setWrapT(Value.WRAP); |
| 150 | rs.mSampler_WRAP_LINEAR = b.create(); |
| 151 | } |
| 152 | return rs.mSampler_WRAP_LINEAR; |
| 153 | } |
| 154 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 155 | /** |
| 156 | * Retrieve a sampler with ag set to linear, min linear mipmap linear, and |
| 157 | * to and wrap modes set to wrap. |
| 158 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame^] | 159 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 160 | * |
| 161 | * @return Sampler |
| 162 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 163 | public static Sampler WRAP_LINEAR_MIP_LINEAR(RenderScript rs) { |
| 164 | if(rs.mSampler_WRAP_LINEAR_MIP_LINEAR == null) { |
| 165 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 166 | b.setMinification(Value.LINEAR_MIP_LINEAR); |
| 167 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 168 | b.setWrapS(Value.WRAP); |
| 169 | b.setWrapT(Value.WRAP); |
| 170 | rs.mSampler_WRAP_LINEAR_MIP_LINEAR = b.create(); |
| 171 | } |
| 172 | return rs.mSampler_WRAP_LINEAR_MIP_LINEAR; |
| 173 | } |
| 174 | |
| 175 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 176 | /** |
| 177 | * Builder for creating non-standard samplers. Usefull if mix and match of |
| 178 | * wrap modes is necesary or if anisotropic filtering is desired. |
| 179 | * |
| 180 | */ |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 181 | public static class Builder { |
| 182 | RenderScript mRS; |
| 183 | Value mMin; |
| 184 | Value mMag; |
| 185 | Value mWrapS; |
| 186 | Value mWrapT; |
| 187 | Value mWrapR; |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 188 | float mAniso; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 189 | |
| 190 | public Builder(RenderScript rs) { |
| 191 | mRS = rs; |
| 192 | mMin = Value.NEAREST; |
| 193 | mMag = Value.NEAREST; |
| 194 | mWrapS = Value.WRAP; |
| 195 | mWrapT = Value.WRAP; |
| 196 | mWrapR = Value.WRAP; |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 197 | mAniso = 1.0f; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 200 | public void setMinification(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 201 | if (v == Value.NEAREST || |
| 202 | v == Value.LINEAR || |
Alex Sakhartchouk | 0857196 | 2010-12-15 09:59:58 -0800 | [diff] [blame] | 203 | v == Value.LINEAR_MIP_LINEAR || |
| 204 | v == Value.LINEAR_MIP_NEAREST) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 205 | mMin = v; |
| 206 | } else { |
| 207 | throw new IllegalArgumentException("Invalid value"); |
| 208 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 211 | public void setMagnification(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 212 | if (v == Value.NEAREST || v == Value.LINEAR) { |
| 213 | mMag = v; |
| 214 | } else { |
| 215 | throw new IllegalArgumentException("Invalid value"); |
| 216 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | public void setWrapS(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 220 | if (v == Value.WRAP || v == Value.CLAMP) { |
| 221 | mWrapS = v; |
| 222 | } else { |
| 223 | throw new IllegalArgumentException("Invalid value"); |
| 224 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | public void setWrapT(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 228 | if (v == Value.WRAP || v == Value.CLAMP) { |
| 229 | mWrapT = v; |
| 230 | } else { |
| 231 | throw new IllegalArgumentException("Invalid value"); |
| 232 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 233 | } |
| 234 | |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 235 | public void setAnisotropy(float v) { |
| 236 | if(v >= 0.0f) { |
| 237 | mAniso = v; |
| 238 | } else { |
| 239 | throw new IllegalArgumentException("Invalid value"); |
| 240 | } |
| 241 | } |
| 242 | |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 243 | static synchronized Sampler internalCreate(RenderScript rs, Builder b) { |
| 244 | rs.nSamplerBegin(); |
| 245 | rs.nSamplerSet(0, b.mMin.mID); |
| 246 | rs.nSamplerSet(1, b.mMag.mID); |
| 247 | rs.nSamplerSet(2, b.mWrapS.mID); |
| 248 | rs.nSamplerSet(3, b.mWrapT.mID); |
| 249 | rs.nSamplerSet(4, b.mWrapR.mID); |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 250 | rs.nSamplerSet2(5, b.mAniso); |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 251 | int id = rs.nSamplerCreate(); |
| 252 | return new Sampler(id, rs); |
| 253 | } |
| 254 | |
| 255 | public Sampler create() { |
Jason Sams | 771bebb | 2009-12-07 12:40:12 -0800 | [diff] [blame] | 256 | mRS.validate(); |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 257 | return internalCreate(mRS, this); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | } |
| 262 | |