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; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 25 | import android.util.Log; |
| 26 | |
| 27 | import android.graphics.Bitmap; |
| 28 | import android.graphics.BitmapFactory; |
| 29 | |
| 30 | /** |
Robert Ly | 11518ac | 2011-02-09 13:57:06 -0800 | [diff] [blame] | 31 | * Sampler object which defines how data is extracted from textures. Samplers |
| 32 | * are attached to Program objects (currently only ProgramFragment) when those objects |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 33 | * need to access texture data. |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 34 | **/ |
| 35 | public class Sampler extends BaseObj { |
| 36 | public enum Value { |
| 37 | NEAREST (0), |
| 38 | LINEAR (1), |
| 39 | LINEAR_MIP_LINEAR (2), |
Alex Sakhartchouk | 0857196 | 2010-12-15 09:59:58 -0800 | [diff] [blame] | 40 | LINEAR_MIP_NEAREST (5), |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 41 | WRAP (3), |
| 42 | CLAMP (4); |
| 43 | |
| 44 | int mID; |
| 45 | Value(int id) { |
| 46 | mID = id; |
| 47 | } |
| 48 | } |
| 49 | |
Alex Sakhartchouk | 7d5f5e7 | 2011-10-18 11:08:31 -0700 | [diff] [blame^] | 50 | Value mMin; |
| 51 | Value mMag; |
| 52 | Value mWrapS; |
| 53 | Value mWrapT; |
| 54 | Value mWrapR; |
| 55 | float mAniso; |
| 56 | |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 57 | Sampler(int id, RenderScript rs) { |
Alex Sakhartchouk | 0de9444 | 2010-08-11 14:41:28 -0700 | [diff] [blame] | 58 | super(id, rs); |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 59 | } |
| 60 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 61 | /** |
Alex Sakhartchouk | 7d5f5e7 | 2011-10-18 11:08:31 -0700 | [diff] [blame^] | 62 | * @hide |
| 63 | * @return minification setting for the sampler |
| 64 | */ |
| 65 | public Value getMinification() { |
| 66 | return mMin; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * @hide |
| 71 | * @return magnification setting for the sampler |
| 72 | */ |
| 73 | public Value getMagnification() { |
| 74 | return mMag; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @hide |
| 79 | * @return S wrapping mode for the sampler |
| 80 | */ |
| 81 | public Value getWrapS() { |
| 82 | return mWrapS; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @hide |
| 87 | * @return T wrapping mode for the sampler |
| 88 | */ |
| 89 | public Value getWrapT() { |
| 90 | return mWrapT; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * @hide |
| 95 | * @return anisotropy setting for the sampler |
| 96 | */ |
| 97 | public float getAnisotropy() { |
| 98 | return mAniso; |
| 99 | } |
| 100 | |
| 101 | /** |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 102 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 103 | * clamp. |
| 104 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 105 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 106 | * |
| 107 | * @return Sampler |
| 108 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 109 | public static Sampler CLAMP_NEAREST(RenderScript rs) { |
| 110 | if(rs.mSampler_CLAMP_NEAREST == null) { |
| 111 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 112 | b.setMinification(Value.NEAREST); |
| 113 | b.setMagnification(Value.NEAREST); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 114 | b.setWrapS(Value.CLAMP); |
| 115 | b.setWrapT(Value.CLAMP); |
| 116 | rs.mSampler_CLAMP_NEAREST = b.create(); |
| 117 | } |
| 118 | return rs.mSampler_CLAMP_NEAREST; |
| 119 | } |
| 120 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 121 | /** |
| 122 | * Retrieve a sampler with min and mag set to linear and wrap modes set to |
| 123 | * clamp. |
| 124 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 125 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 126 | * |
| 127 | * @return Sampler |
| 128 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 129 | public static Sampler CLAMP_LINEAR(RenderScript rs) { |
| 130 | if(rs.mSampler_CLAMP_LINEAR == null) { |
| 131 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 132 | b.setMinification(Value.LINEAR); |
| 133 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 134 | b.setWrapS(Value.CLAMP); |
| 135 | b.setWrapT(Value.CLAMP); |
| 136 | rs.mSampler_CLAMP_LINEAR = b.create(); |
| 137 | } |
| 138 | return rs.mSampler_CLAMP_LINEAR; |
| 139 | } |
| 140 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 141 | /** |
| 142 | * Retrieve a sampler with ag set to linear, min linear mipmap linear, and |
| 143 | * to and wrap modes set to clamp. |
| 144 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 145 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 146 | * |
| 147 | * @return Sampler |
| 148 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 149 | public static Sampler CLAMP_LINEAR_MIP_LINEAR(RenderScript rs) { |
| 150 | if(rs.mSampler_CLAMP_LINEAR_MIP_LINEAR == null) { |
| 151 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 152 | b.setMinification(Value.LINEAR_MIP_LINEAR); |
| 153 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 154 | b.setWrapS(Value.CLAMP); |
| 155 | b.setWrapT(Value.CLAMP); |
| 156 | rs.mSampler_CLAMP_LINEAR_MIP_LINEAR = b.create(); |
| 157 | } |
| 158 | return rs.mSampler_CLAMP_LINEAR_MIP_LINEAR; |
| 159 | } |
| 160 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 161 | /** |
| 162 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 163 | * wrap. |
| 164 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 165 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 166 | * |
| 167 | * @return Sampler |
| 168 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 169 | public static Sampler WRAP_NEAREST(RenderScript rs) { |
| 170 | if(rs.mSampler_WRAP_NEAREST == null) { |
| 171 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 172 | b.setMinification(Value.NEAREST); |
| 173 | b.setMagnification(Value.NEAREST); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 174 | b.setWrapS(Value.WRAP); |
| 175 | b.setWrapT(Value.WRAP); |
| 176 | rs.mSampler_WRAP_NEAREST = b.create(); |
| 177 | } |
| 178 | return rs.mSampler_WRAP_NEAREST; |
| 179 | } |
| 180 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 181 | /** |
| 182 | * Retrieve a sampler with min and mag set to nearest and wrap modes set to |
| 183 | * wrap. |
| 184 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 185 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 186 | * |
| 187 | * @return Sampler |
| 188 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 189 | public static Sampler WRAP_LINEAR(RenderScript rs) { |
| 190 | if(rs.mSampler_WRAP_LINEAR == null) { |
| 191 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 192 | b.setMinification(Value.LINEAR); |
| 193 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 194 | b.setWrapS(Value.WRAP); |
| 195 | b.setWrapT(Value.WRAP); |
| 196 | rs.mSampler_WRAP_LINEAR = b.create(); |
| 197 | } |
| 198 | return rs.mSampler_WRAP_LINEAR; |
| 199 | } |
| 200 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 201 | /** |
| 202 | * Retrieve a sampler with ag set to linear, min linear mipmap linear, and |
| 203 | * to and wrap modes set to wrap. |
| 204 | * |
Alex Sakhartchouk | f5c876e | 2011-01-13 14:53:43 -0800 | [diff] [blame] | 205 | * @param rs Context to which the sampler will belong. |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 206 | * |
| 207 | * @return Sampler |
| 208 | */ |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 209 | public static Sampler WRAP_LINEAR_MIP_LINEAR(RenderScript rs) { |
| 210 | if(rs.mSampler_WRAP_LINEAR_MIP_LINEAR == null) { |
| 211 | Builder b = new Builder(rs); |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 212 | b.setMinification(Value.LINEAR_MIP_LINEAR); |
| 213 | b.setMagnification(Value.LINEAR); |
Jason Sams | 4d33993 | 2010-05-11 14:03:58 -0700 | [diff] [blame] | 214 | b.setWrapS(Value.WRAP); |
| 215 | b.setWrapT(Value.WRAP); |
| 216 | rs.mSampler_WRAP_LINEAR_MIP_LINEAR = b.create(); |
| 217 | } |
| 218 | return rs.mSampler_WRAP_LINEAR_MIP_LINEAR; |
| 219 | } |
| 220 | |
| 221 | |
Jason Sams | bf6ef8d | 2010-12-06 15:59:59 -0800 | [diff] [blame] | 222 | /** |
| 223 | * Builder for creating non-standard samplers. Usefull if mix and match of |
| 224 | * wrap modes is necesary or if anisotropic filtering is desired. |
| 225 | * |
| 226 | */ |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 227 | public static class Builder { |
| 228 | RenderScript mRS; |
| 229 | Value mMin; |
| 230 | Value mMag; |
| 231 | Value mWrapS; |
| 232 | Value mWrapT; |
| 233 | Value mWrapR; |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 234 | float mAniso; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 235 | |
| 236 | public Builder(RenderScript rs) { |
| 237 | mRS = rs; |
| 238 | mMin = Value.NEAREST; |
| 239 | mMag = Value.NEAREST; |
| 240 | mWrapS = Value.WRAP; |
| 241 | mWrapT = Value.WRAP; |
| 242 | mWrapR = Value.WRAP; |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 243 | mAniso = 1.0f; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 244 | } |
| 245 | |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 246 | public void setMinification(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 247 | if (v == Value.NEAREST || |
| 248 | v == Value.LINEAR || |
Alex Sakhartchouk | 0857196 | 2010-12-15 09:59:58 -0800 | [diff] [blame] | 249 | v == Value.LINEAR_MIP_LINEAR || |
| 250 | v == Value.LINEAR_MIP_NEAREST) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 251 | mMin = v; |
| 252 | } else { |
| 253 | throw new IllegalArgumentException("Invalid value"); |
| 254 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 255 | } |
| 256 | |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 257 | public void setMagnification(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 258 | if (v == Value.NEAREST || v == Value.LINEAR) { |
| 259 | mMag = v; |
| 260 | } else { |
| 261 | throw new IllegalArgumentException("Invalid value"); |
| 262 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | public void setWrapS(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 266 | if (v == Value.WRAP || v == Value.CLAMP) { |
| 267 | mWrapS = v; |
| 268 | } else { |
| 269 | throw new IllegalArgumentException("Invalid value"); |
| 270 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | public void setWrapT(Value v) { |
Jason Sams | 8bb41dd | 2009-12-16 15:59:59 -0800 | [diff] [blame] | 274 | if (v == Value.WRAP || v == Value.CLAMP) { |
| 275 | mWrapT = v; |
| 276 | } else { |
| 277 | throw new IllegalArgumentException("Invalid value"); |
| 278 | } |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 279 | } |
| 280 | |
Alex Sakhartchouk | f5b3510 | 2010-09-30 11:36:37 -0700 | [diff] [blame] | 281 | public void setAnisotropy(float v) { |
| 282 | if(v >= 0.0f) { |
| 283 | mAniso = v; |
| 284 | } else { |
| 285 | throw new IllegalArgumentException("Invalid value"); |
| 286 | } |
| 287 | } |
| 288 | |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 289 | public Sampler create() { |
Jason Sams | 771bebb | 2009-12-07 12:40:12 -0800 | [diff] [blame] | 290 | mRS.validate(); |
Alex Sakhartchouk | 7d5f5e7 | 2011-10-18 11:08:31 -0700 | [diff] [blame^] | 291 | int id = mRS.nSamplerCreate(mMag.mID, mMin.mID, |
| 292 | mWrapS.mID, mWrapT.mID, mWrapR.mID, mAniso); |
| 293 | Sampler sampler = new Sampler(id, mRS); |
| 294 | sampler.mMin = mMin; |
| 295 | sampler.mMag = mMag; |
| 296 | sampler.mWrapS = mWrapS; |
| 297 | sampler.mWrapT = mWrapT; |
| 298 | sampler.mWrapR = mWrapR; |
| 299 | sampler.mAniso = mAniso; |
| 300 | return sampler; |
Jason Sams | 0835d42 | 2009-08-04 17:58:23 -0700 | [diff] [blame] | 301 | } |
| 302 | } |
| 303 | |
| 304 | } |
| 305 | |