Jason Sams | 423ebcb | 2012-08-10 15:40:53 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2012 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 java.lang.reflect.Method; |
| 20 | |
| 21 | /** |
| 22 | * @hide |
| 23 | **/ |
| 24 | public class ScriptGroup extends BaseObj { |
| 25 | Node mNodes[]; |
| 26 | Connection mConnections[]; |
| 27 | Node mFirstNode; |
| 28 | IO mOutputs[]; |
| 29 | IO mInputs[]; |
| 30 | |
| 31 | static class IO { |
| 32 | Script mScript; |
| 33 | Allocation mAllocation; |
| 34 | String mName; |
| 35 | |
| 36 | IO(Script s) { |
| 37 | mScript = s; |
| 38 | } |
| 39 | IO(Script s, String n) { |
| 40 | mScript = s; |
| 41 | mName = n; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | static class Connection { |
| 46 | Node mTo[]; |
| 47 | String mToName[]; |
| 48 | Node mFrom; |
| 49 | Type mAllocationType; |
| 50 | Allocation mInternalAllocation; |
| 51 | |
| 52 | Connection(Node out, Type t) { |
| 53 | mFrom = out; |
| 54 | mAllocationType = t; |
| 55 | } |
| 56 | |
| 57 | void addTo(Node n, String name) { |
| 58 | if (mTo == null) { |
| 59 | mTo = new Node[1]; |
| 60 | mToName = new String[1]; |
| 61 | } else { |
| 62 | Node nt[] = new Node[mTo.length + 1]; |
| 63 | String ns[] = new String[mTo.length + 1]; |
| 64 | System.arraycopy(mTo, 0, nt, 0, mTo.length); |
| 65 | System.arraycopy(mToName, 0, ns, 0, mTo.length); |
| 66 | mTo = nt; |
| 67 | mToName = ns; |
| 68 | } |
| 69 | mTo[mTo.length - 1] = n; |
| 70 | mToName[mTo.length - 1] = name; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | static class Node { |
| 75 | Script mScript; |
| 76 | Connection mInput[] = new Connection[8]; |
| 77 | Connection mOutput[] = new Connection[1]; |
| 78 | int mInputCount; |
| 79 | int mOutputCount; |
| 80 | int mDepth; |
| 81 | boolean mSeen; |
| 82 | |
| 83 | Node mNext; |
| 84 | |
| 85 | Node(Script s) { |
| 86 | mScript = s; |
| 87 | } |
| 88 | |
| 89 | void addInput(Connection c) { |
| 90 | if (mInput.length <= mInputCount) { |
| 91 | Connection[] nc = new Connection[mInput.length + 8]; |
| 92 | System.arraycopy(mInput, 0, nc, 0, mInputCount); |
| 93 | mInput = nc; |
| 94 | } |
| 95 | mInput[mInputCount++] = c; |
| 96 | } |
| 97 | |
| 98 | void addOutput(Connection c) { |
| 99 | if (mOutput.length <= mOutputCount) { |
| 100 | Connection[] nc = new Connection[mOutput.length + 8]; |
| 101 | System.arraycopy(mOutput, 0, nc, 0, mOutputCount); |
| 102 | mOutput = nc; |
| 103 | } |
| 104 | mOutput[mOutputCount++] = c; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | |
| 109 | ScriptGroup(int id, RenderScript rs) { |
| 110 | super(id, rs); |
| 111 | } |
| 112 | |
| 113 | void init(int nodeCount, int connectionCount) { |
| 114 | mNodes = new Node[nodeCount]; |
| 115 | mConnections = new Connection[connectionCount]; |
| 116 | |
| 117 | android.util.Log.v("RSR", "init" + nodeCount + ", " + connectionCount); |
| 118 | |
| 119 | // Count outputs and create array. |
| 120 | Node n = mFirstNode; |
| 121 | int outputCount = 0; |
| 122 | int inputCount = 0; |
| 123 | int connectionIndex = 0; |
| 124 | int nodeNum = 0; |
| 125 | while (n != null) { |
| 126 | mNodes[nodeNum++] = n; |
| 127 | |
| 128 | // Look for unattached kernel inputs |
| 129 | boolean hasInput = false; |
| 130 | for (int ct=0; ct < n.mInput.length; ct++) { |
| 131 | if (n.mInput[ct] != null) { |
| 132 | if (n.mInput[ct].mToName == null) { |
| 133 | hasInput = true; |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | if (!hasInput) { |
| 138 | if (mInputs == null) { |
| 139 | mInputs = new IO[1]; |
| 140 | } |
| 141 | if (mInputs.length <= inputCount) { |
| 142 | IO t[] = new IO[mInputs.length + 1]; |
| 143 | System.arraycopy(mInputs, 0, t, 0, mInputs.length); |
| 144 | mInputs = t; |
| 145 | } |
| 146 | mInputs[inputCount++] = new IO(n.mScript); |
| 147 | } |
| 148 | |
| 149 | // Look for unattached kernel outputs |
| 150 | boolean hasOutput = false; |
| 151 | for (int ct=0; ct < n.mOutput.length; ct++) { |
| 152 | if (n.mOutput[ct] != null) { |
| 153 | hasOutput = true; |
| 154 | } |
| 155 | } |
| 156 | if (!hasOutput) { |
| 157 | if (mOutputs == null) { |
| 158 | mOutputs = new IO[1]; |
| 159 | } |
| 160 | if (mOutputs.length <= outputCount) { |
| 161 | IO t[] = new IO[mOutputs.length + 1]; |
| 162 | System.arraycopy(mOutputs, 0, t, 0, mOutputs.length); |
| 163 | mOutputs = t; |
| 164 | } |
| 165 | mOutputs[outputCount++] = new IO(n.mScript); |
| 166 | } |
| 167 | |
| 168 | // Make allocations for internal connections |
| 169 | // Since script outputs are unique, use those to avoid duplicates. |
| 170 | for (int ct=0; ct < n.mOutput.length; ct++) { |
| 171 | android.util.Log.v("RSR", "init out2 " + n.mOutput[ct]); |
| 172 | if (n.mOutput[ct] != null) { |
| 173 | Connection t = n.mOutput[ct]; |
| 174 | mConnections[connectionIndex++] = t; |
| 175 | t.mInternalAllocation = Allocation.createTyped(mRS, t.mAllocationType); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | n = n.mNext; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | public void setInput(Script s, Allocation a) { |
| 184 | for (int ct=0; ct < mInputs.length; ct++) { |
| 185 | if (mInputs[ct].mScript == s) { |
| 186 | mInputs[ct].mAllocation = a; |
| 187 | return; |
| 188 | } |
| 189 | } |
| 190 | throw new RSIllegalArgumentException("Script not found"); |
| 191 | } |
| 192 | |
| 193 | public void setOutput(Script s, Allocation a) { |
| 194 | for (int ct=0; ct < mOutputs.length; ct++) { |
| 195 | if (mOutputs[ct].mScript == s) { |
| 196 | mOutputs[ct].mAllocation = a; |
| 197 | return; |
| 198 | } |
| 199 | } |
| 200 | throw new RSIllegalArgumentException("Script not found"); |
| 201 | } |
| 202 | |
| 203 | public void execute() { |
| 204 | android.util.Log.v("RSR", "execute"); |
| 205 | boolean more = true; |
| 206 | int depth = 0; |
| 207 | while (more) { |
| 208 | more = false; |
| 209 | for (int ct=0; ct < mNodes.length; ct++) { |
| 210 | if (mNodes[ct].mDepth == depth) { |
| 211 | more = true; |
| 212 | |
| 213 | Allocation kernelIn = null; |
| 214 | for (int ct2=0; ct2 < mNodes[ct].mInputCount; ct2++) { |
| 215 | android.util.Log.v("RSR", " kin " + ct2 + ", to " + mNodes[ct].mInput[ct2].mTo[0] + ", name " + mNodes[ct].mInput[ct2].mToName[0]); |
| 216 | if (mNodes[ct].mInput[ct2].mToName[0] == null) { |
| 217 | kernelIn = mNodes[ct].mInput[ct2].mInternalAllocation; |
| 218 | break; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | Allocation kernelOut= null; |
| 223 | for (int ct2=0; ct2 < mNodes[ct].mOutputCount; ct2++) { |
| 224 | android.util.Log.v("RSR", " kout " + ct2 + ", from " + mNodes[ct].mOutput[ct2].mFrom); |
| 225 | if (mNodes[ct].mOutput[ct2].mFrom != null) { |
| 226 | kernelOut = mNodes[ct].mOutput[ct2].mInternalAllocation; |
| 227 | break; |
| 228 | } |
| 229 | } |
| 230 | if (kernelOut == null) { |
| 231 | for (int ct2=0; ct2 < mOutputs.length; ct2++) { |
| 232 | if (mOutputs[ct2].mScript == mNodes[ct].mScript) { |
| 233 | kernelOut = mOutputs[ct2].mAllocation; |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | android.util.Log.v("RSR", "execute calling " + mNodes[ct] + ", with " + kernelIn); |
| 240 | if (kernelIn != null) { |
| 241 | try { |
| 242 | |
| 243 | Method m = mNodes[ct].mScript.getClass().getMethod("forEach_root", |
| 244 | new Class[] { Allocation.class, Allocation.class }); |
| 245 | m.invoke(mNodes[ct].mScript, new Object[] {kernelIn, kernelOut} ); |
| 246 | } catch (Throwable t) { |
| 247 | android.util.Log.e("RSR", "execute error " + t); |
| 248 | } |
| 249 | } else { |
| 250 | try { |
| 251 | Method m = mNodes[ct].mScript.getClass().getMethod("forEach_root", |
| 252 | new Class[] { Allocation.class }); |
| 253 | m.invoke(mNodes[ct].mScript, new Object[] {kernelOut} ); |
| 254 | } catch (Throwable t) { |
| 255 | android.util.Log.e("RSR", "execute error " + t); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | } |
| 260 | } |
| 261 | depth ++; |
| 262 | } |
| 263 | |
| 264 | } |
| 265 | |
| 266 | |
| 267 | public static class Builder { |
| 268 | RenderScript mRS; |
| 269 | Node mFirstNode; |
| 270 | int mConnectionCount = 0; |
| 271 | int mNodeCount = 0; |
| 272 | |
| 273 | public Builder(RenderScript rs) { |
| 274 | mRS = rs; |
| 275 | } |
| 276 | |
| 277 | private void validateRecurse(Node n, int depth) { |
| 278 | n.mSeen = true; |
| 279 | if (depth > n.mDepth) { |
| 280 | n.mDepth = depth; |
| 281 | } |
| 282 | |
| 283 | android.util.Log.v("RSR", " validateRecurse outputCount " + n.mOutputCount); |
| 284 | for (int ct=0; ct < n.mOutputCount; ct++) { |
| 285 | for (int ct2=0; ct2 < n.mOutput[ct].mTo.length; ct2++) { |
| 286 | if (n.mOutput[ct].mTo[ct2].mSeen) { |
| 287 | throw new RSInvalidStateException("Loops in group not allowed."); |
| 288 | } |
| 289 | validateRecurse(n.mOutput[ct].mTo[ct2], depth + 1); |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | private void validate() { |
| 295 | android.util.Log.v("RSR", "validate"); |
| 296 | Node n = mFirstNode; |
| 297 | while (n != null) { |
| 298 | n.mSeen = false; |
| 299 | n.mDepth = 0; |
| 300 | n = n.mNext; |
| 301 | } |
| 302 | |
| 303 | n = mFirstNode; |
| 304 | while (n != null) { |
| 305 | android.util.Log.v("RSR", "validate n= " + n); |
| 306 | if ((n.mSeen == false) && (n.mInputCount == 0)) { |
| 307 | android.util.Log.v("RSR", " recursing " + n); |
| 308 | validateRecurse(n, 0); |
| 309 | } |
| 310 | n = n.mNext; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | private Node findScript(Script s) { |
| 315 | Node n = mFirstNode; |
| 316 | while (n != null) { |
| 317 | if (n.mScript == s) { |
| 318 | return n; |
| 319 | } |
| 320 | n = n.mNext; |
| 321 | } |
| 322 | return null; |
| 323 | } |
| 324 | |
| 325 | private void addNode(Node n) { |
| 326 | n.mNext = mFirstNode; |
| 327 | mFirstNode = n; |
| 328 | } |
| 329 | |
| 330 | public Builder addConnection(Type t, Script output, Script input, String inputName) { |
| 331 | android.util.Log.v("RSR", "addConnection " + t +", " + output + ", " + input); |
| 332 | |
| 333 | // Look for existing output |
| 334 | Node nout = findScript(output); |
| 335 | Connection c; |
| 336 | if (nout == null) { |
| 337 | // Make new node |
| 338 | android.util.Log.v("RSR", "addConnection new output node"); |
| 339 | nout = new Node(output); |
| 340 | mNodeCount++; |
| 341 | c = new Connection(nout, t); |
| 342 | mConnectionCount++; |
| 343 | nout.addOutput(c); |
| 344 | addNode(nout); |
| 345 | } else { |
| 346 | // Add to existing node |
| 347 | android.util.Log.v("RSR", "addConnection reuse output node"); |
| 348 | if (nout.mOutput[0] != null) { |
| 349 | if (nout.mOutput[0].mFrom.mScript != output) { |
| 350 | throw new RSInvalidStateException("Changed output of existing node"); |
| 351 | } |
| 352 | if (nout.mOutput[0].mAllocationType != t) { |
| 353 | throw new RSInvalidStateException("Changed output type of existing node"); |
| 354 | } |
| 355 | } |
| 356 | c = nout.mOutput[0]; |
| 357 | } |
| 358 | // At this point we should have a connection attached to a script ouput. |
| 359 | |
| 360 | // Find input |
| 361 | Node nin = findScript(input); |
| 362 | if (nin == null) { |
| 363 | android.util.Log.v("RSR", "addConnection new input node"); |
| 364 | nin = new Node(input); |
| 365 | mNodeCount++; |
| 366 | addNode(nin); |
| 367 | } |
| 368 | c.addTo(nin, inputName); |
| 369 | nin.addInput(c); |
| 370 | |
| 371 | validate(); |
| 372 | return this; |
| 373 | } |
| 374 | |
| 375 | public ScriptGroup create() { |
| 376 | ScriptGroup sg = new ScriptGroup(0, mRS); |
| 377 | sg.mFirstNode = mFirstNode; |
| 378 | mFirstNode = null; |
| 379 | |
| 380 | android.util.Log.v("RSR", "create nodes= " + mNodeCount + ", Connections= " + mConnectionCount); |
| 381 | |
| 382 | sg.init(mNodeCount, mConnectionCount); |
| 383 | return sg; |
| 384 | } |
| 385 | |
| 386 | } |
| 387 | |
| 388 | |
| 389 | } |
| 390 | |
| 391 | |