1 /* 2 * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.scenario.effect.compiler.backend.sw.sse; 27 28 import java.io.InputStreamReader; 29 import java.io.Reader; 30 import java.util.Collection; 31 import java.util.Comparator; 32 import java.util.HashMap; 33 import java.util.HashSet; 34 import java.util.Map; 35 import java.util.Set; 36 import java.util.SortedSet; 37 import java.util.TreeSet; 38 import com.sun.scenario.effect.compiler.JSLParser; 39 import com.sun.scenario.effect.compiler.model.BaseType; 40 import com.sun.scenario.effect.compiler.model.Qualifier; 41 import com.sun.scenario.effect.compiler.model.Type; 42 import com.sun.scenario.effect.compiler.model.Variable; 43 import com.sun.scenario.effect.compiler.tree.FuncDef; 44 import com.sun.scenario.effect.compiler.tree.ProgramUnit; 45 import com.sun.scenario.effect.compiler.tree.TreeScanner; 46 import org.antlr.stringtemplate.StringTemplate; 47 import org.antlr.stringtemplate.StringTemplateGroup; 48 import org.antlr.stringtemplate.language.DefaultTemplateLexer; 49 50 /** 51 */ 52 public class SSEBackend extends TreeScanner { 53 54 private final JSLParser parser; 55 private final String body; 56 57 public SSEBackend(JSLParser parser, ProgramUnit program) { 58 // TODO: will be removed once we clean up static usage 59 resetStatics(); 60 61 this.parser = parser; 62 63 SSETreeScanner scanner = new SSETreeScanner(); 64 scanner.scan(program); 65 this.body = scanner.getResult(); 66 } 67 68 public static class GenCode { 69 public String javaCode; 70 public String nativeCode; 71 } 72 73 private static void appendGetRelease(StringBuilder get, 74 StringBuilder rel, 75 String ctype, 76 String cbufName, String jarrayName) 77 { 78 get.append("j" + ctype + " *" + cbufName + " = (j" + ctype + " *)"); 79 get.append("env->GetPrimitiveArrayCritical(" + jarrayName + ", 0);\n"); 80 get.append("if (" + cbufName + " == NULL) return;\n"); 81 rel.append("env->ReleasePrimitiveArrayCritical(" + jarrayName + ", " + cbufName + ", JNI_ABORT);\n"); 82 } 83 84 private static SortedSet<Variable> getSortedVars(Collection<Variable> unsortedVars) { 85 Comparator<Variable> c = (v0, v1) -> v0.getName().compareTo(v1.getName()); 86 SortedSet<Variable> sortedVars = new TreeSet<Variable>(c); 87 sortedVars.addAll(unsortedVars); 88 return sortedVars; 89 } 90 91 public final GenCode getGenCode(String effectName, 92 String peerName, 93 String genericsName, 94 String interfaceName) 95 { 96 Map<String, Variable> vars = parser.getSymbolTable().getGlobalVariables(); 97 StringBuilder genericsDecl = new StringBuilder(); 98 StringBuilder interfaceDecl = new StringBuilder(); 99 StringBuilder constants = new StringBuilder(); 100 StringBuilder samplers = new StringBuilder(); 101 StringBuilder cleanup = new StringBuilder(); 102 StringBuilder srcRects = new StringBuilder(); 103 StringBuilder posDecls = new StringBuilder(); 104 StringBuilder pixInitY = new StringBuilder(); 105 StringBuilder pixInitX = new StringBuilder(); 106 StringBuilder posIncrY = new StringBuilder(); 107 StringBuilder posInitY = new StringBuilder(); 108 StringBuilder posIncrX = new StringBuilder(); 109 StringBuilder posInitX = new StringBuilder(); 110 StringBuilder jparams = new StringBuilder(); 111 StringBuilder jparamDecls = new StringBuilder(); 112 StringBuilder cparamDecls = new StringBuilder(); 113 StringBuilder arrayGet = new StringBuilder(); 114 StringBuilder arrayRelease = new StringBuilder(); 115 116 appendGetRelease(arrayGet, arrayRelease, "int", "dst", "dst_arr"); 117 118 // TODO: only need to declare these if pixcoord is referenced 119 // somewhere in the program... 120 pixInitY.append("float pixcoord_y = (float)dy;\n"); 121 pixInitX.append("float pixcoord_x = (float)dx;\n"); 122 123 // this step isn't strictly necessary but helps give some predictability 124 // to the generated jar/nativelib so that the method signatures have 125 // a consistent parameter ordering on all platforms for each build, 126 // which may help debugging (see RT-4475) 127 SortedSet<Variable> sortedVars = getSortedVars(vars.values()); 128 for (Variable v : sortedVars) { 129 if (v.getQualifier() == Qualifier.CONST && v.getConstValue() == null) { 130 // this must be a special built-in variable (e.g. pos0); 131 // these are handled elsewhere, so just continue... 132 continue; 133 } 134 135 Type t = v.getType(); 136 BaseType bt = t.getBaseType(); 137 String vtype = bt.toString(); 138 String vname = v.getName(); 139 if (v.getQualifier() != null && bt != BaseType.SAMPLER) { 140 String accName = v.getAccessorName(); 141 if (v.isArray()) { 142 // TODO: we currently assume that param arrays will be 143 // stored in NIO Int/FloatBuffers, but the inner loop 144 // expects to access them as Java arrays, so we convert 145 // here; this is obviously bad for performance, so we need 146 // to come up with a better system soon... 147 String bufType = (bt == BaseType.FLOAT) ? 148 "FloatBuffer" : "IntBuffer"; 149 String bufName = vname + "_buf"; 150 String arrayName = vname + "_arr"; 151 constants.append(bufType + " " + bufName + " = " + accName + "();\n"); 152 constants.append(vtype + "[] " + arrayName); 153 constants.append(" = new " + vtype + "["); 154 constants.append(bufName + ".capacity()];\n"); 155 constants.append(bufName + ".get(" + arrayName + ");\n"); 156 jparams.append(",\n"); 157 jparams.append(arrayName); 158 jparamDecls.append(",\n"); 159 jparamDecls.append(vtype + "[] " + vname); 160 cparamDecls.append(",\n"); 161 cparamDecls.append("j" + vtype + "Array " + vname); 162 appendGetRelease(arrayGet, arrayRelease, vtype, arrayName, vname); 163 } else { 164 if (t.isVector()) { 165 String arrayName = vname + "_arr"; 166 constants.append(vtype + "[] " + arrayName + " = " + accName + "();\n"); 167 jparams.append(",\n"); 168 jparamDecls.append(",\n"); 169 cparamDecls.append(",\n"); 170 for (int i = 0; i < t.getNumFields(); i++) { 171 if (i > 0) { 172 jparams.append(", "); 173 jparamDecls.append(", "); 174 cparamDecls.append(", "); 175 } 176 String vn = vname + getSuffix(i); 177 jparams.append(arrayName + "[" + i + "]"); 178 jparamDecls.append(vtype + " " + vn); 179 cparamDecls.append("j" + vtype + " " + vn); 180 } 181 } else { 182 constants.append(vtype + " " + vname); 183 if (v.getQualifier() == Qualifier.CONST) { 184 constants.append(" = " + v.getConstValue()); 185 } else { 186 constants.append(" = " + accName + "()"); 187 } 188 constants.append(";\n"); 189 jparams.append(",\n"); 190 jparams.append(vname); 191 jparamDecls.append(",\n"); 192 jparamDecls.append(vtype + " " + vname); 193 cparamDecls.append(",\n"); 194 cparamDecls.append("j" + vtype + " " + vname); 195 } 196 } 197 } else if (v.getQualifier() == Qualifier.PARAM && bt == BaseType.SAMPLER) { 198 int i = v.getReg(); 199 if (t == Type.FSAMPLER) { 200 samplers.append("FloatMap src" + i + " = (FloatMap)getSamplerData(" + i + ");\n"); 201 samplers.append("int src" + i + "x = 0;\n"); 202 samplers.append("int src" + i + "y = 0;\n"); 203 samplers.append("int src" + i + "w = src" + i + ".getWidth();\n"); 204 samplers.append("int src" + i + "h = src" + i + ".getHeight();\n"); 205 samplers.append("int src" + i + "scan = src" + i + ".getWidth();\n"); 206 samplers.append("float[] " + vname + " = src" + i + ".getData();\n"); 207 208 arrayGet.append("float " + vname + "_vals[4];\n"); 209 210 // TODO: for now, assume [0,0,1,1] 211 srcRects.append("float[] src" + i + "Rect = new float[] {0,0,1,1};\n"); 212 213 jparams.append(",\n"); 214 jparams.append(vname); 215 216 jparamDecls.append(",\n"); 217 jparamDecls.append("float[] " + vname + "_arr"); 218 219 cparamDecls.append(",\n"); 220 cparamDecls.append("jfloatArray " + vname + "_arr"); 221 222 appendGetRelease(arrayGet, arrayRelease, "float", vname, vname + "_arr"); 223 } else { 224 if (t == Type.LSAMPLER) { 225 samplers.append("HeapImage src" + i + " = (HeapImage)inputs[" + i + "].getUntransformedImage();\n"); 226 } else { 227 samplers.append("HeapImage src" + i + " = (HeapImage)inputs[" + i + "].getTransformedImage(dstBounds);\n"); 228 cleanup.append("inputs[" + i + "].releaseTransformedImage(src" + i + ");\n"); 229 } 230 samplers.append("int src" + i + "x = 0;\n"); 231 samplers.append("int src" + i + "y = 0;\n"); 232 samplers.append("int src" + i + "w = src" + i + ".getPhysicalWidth();\n"); 233 samplers.append("int src" + i + "h = src" + i + ".getPhysicalHeight();\n"); 234 samplers.append("int src" + i + "scan = src" + i + ".getScanlineStride();\n"); 235 samplers.append("int[] " + vname + " =\n"); 236 samplers.append(" src" + i + ".getPixelArray();\n"); 237 238 samplers.append("Rectangle src" + i + "Bounds = new Rectangle("); 239 samplers.append("src" + i + "x, "); 240 samplers.append("src" + i + "y, "); 241 samplers.append("src" + i + "w, "); 242 samplers.append("src" + i + "h);\n"); 243 if (t == Type.LSAMPLER) { 244 samplers.append("Rectangle src" + i + "InputBounds = inputs[" + i + "].getUntransformedBounds();\n"); 245 samplers.append("BaseTransform src" + i + "Transform = inputs[" + i + "].getTransform();\n"); 246 } else { 247 samplers.append("Rectangle src" + i + "InputBounds = inputs[" + i + "].getTransformedBounds(dstBounds);\n"); 248 samplers.append("BaseTransform src" + i + "Transform = BaseTransform.IDENTITY_TRANSFORM;\n"); 249 } 250 samplers.append("setInputBounds(" + i + ", src" + i + "InputBounds);\n"); 251 samplers.append("setInputNativeBounds(" + i + ", src" + i + "Bounds);\n"); 252 253 if (t == Type.LSAMPLER) { 254 arrayGet.append("float " + vname + "_vals[4];\n"); 255 } 256 257 // the source rect decls need to come after all calls to 258 // setInput[Native]Bounds() for all inputs (since the 259 // getSourceRegion() impl may need to query the bounds of 260 // other inputs, as is the case in PhongLighting)... 261 srcRects.append("float[] src" + i + "Rect = new float[4];\n"); 262 // Note that we only allocate 4 floats here because none 263 // of the loops can deal with fully mapped inputs. Only 264 // shaders that declare LSAMPLERs would require mapped 265 // inputs and so far that is only Perspective and 266 // Displacement, both of which override getTC() and return 267 // only 4 values. 268 srcRects.append("getTextureCoordinates(" + i + ", src" + i + "Rect,\n"); 269 srcRects.append(" src" + i + "InputBounds.x, src" + i + "InputBounds.y,\n"); 270 srcRects.append(" src" + i + "w, src" + i + "h,\n"); 271 srcRects.append(" dstBounds, src" + i + "Transform);\n"); 272 273 jparams.append(",\n"); 274 jparams.append(vname); 275 276 jparamDecls.append(",\n"); 277 jparamDecls.append("int[] " + vname + "_arr"); 278 279 cparamDecls.append(",\n"); 280 cparamDecls.append("jintArray " + vname + "_arr"); 281 282 appendGetRelease(arrayGet, arrayRelease, "int", vname, vname + "_arr"); 283 } 284 285 posDecls.append("float inc" + i + "_x = (src" + i + "Rect_x2 - src" + i + "Rect_x1) / dstw;\n"); 286 posDecls.append("float inc" + i + "_y = (src" + i + "Rect_y2 - src" + i + "Rect_y1) / dsth;\n"); 287 288 posInitY.append("float pos" + i + "_y = src" + i + "Rect_y1 + inc" + i + "_y*0.5f;\n"); 289 posInitX.append("float pos" + i + "_x = src" + i + "Rect_x1 + inc" + i + "_x*0.5f;\n"); 290 posIncrX.append("pos" + i + "_x += inc" + i + "_x;\n"); 291 posIncrY.append("pos" + i + "_y += inc" + i + "_y;\n"); 292 293 jparams.append(",\n"); 294 jparams.append("src" + i + "Rect[0], src" + i + "Rect[1],\n"); 295 jparams.append("src" + i + "Rect[2], src" + i + "Rect[3],\n"); 296 jparams.append("src" + i + "w, src" + i + "h, src" + i + "scan"); 297 298 jparamDecls.append(",\n"); 299 jparamDecls.append("float src" + i + "Rect_x1, float src" + i + "Rect_y1,\n"); 300 jparamDecls.append("float src" + i + "Rect_x2, float src" + i + "Rect_y2,\n"); 301 jparamDecls.append("int src" + i + "w, int src" + i + "h, int src" + i + "scan"); 302 303 cparamDecls.append(",\n"); 304 cparamDecls.append("jfloat src" + i + "Rect_x1, jfloat src" + i + "Rect_y1,\n"); 305 cparamDecls.append("jfloat src" + i + "Rect_x2, jfloat src" + i + "Rect_y2,\n"); 306 cparamDecls.append("jint src" + i + "w, jint src" + i + "h, jint src" + i + "scan"); 307 } 308 } 309 310 if (genericsName != null) { 311 genericsDecl.append("<"+genericsName+">"); 312 } 313 314 if (interfaceName != null) { 315 interfaceDecl.append("implements "+interfaceName); 316 } 317 318 Reader template = new InputStreamReader(getClass().getResourceAsStream("SSEJavaGlue.stg")); 319 StringTemplateGroup group = new StringTemplateGroup(template, DefaultTemplateLexer.class); 320 StringTemplate jglue = group.getInstanceOf("glue"); 321 jglue.setAttribute("effectName", effectName); 322 jglue.setAttribute("peerName", peerName); 323 jglue.setAttribute("genericsDecl", genericsDecl.toString()); 324 jglue.setAttribute("interfaceDecl", interfaceDecl.toString()); 325 jglue.setAttribute("usercode", usercode.toString()); 326 jglue.setAttribute("samplers", samplers.toString()); 327 jglue.setAttribute("cleanup", cleanup.toString()); 328 jglue.setAttribute("srcRects", srcRects.toString()); 329 jglue.setAttribute("constants", constants.toString()); 330 jglue.setAttribute("params", jparams.toString()); 331 jglue.setAttribute("paramDecls", jparamDecls.toString()); 332 333 template = new InputStreamReader(getClass().getResourceAsStream("SSENativeGlue.stg")); 334 group = new StringTemplateGroup(template, DefaultTemplateLexer.class); 335 StringTemplate cglue = group.getInstanceOf("glue"); 336 cglue.setAttribute("peerName", peerName); 337 cglue.setAttribute("jniName", peerName.replace("_", "_1")); 338 cglue.setAttribute("paramDecls", cparamDecls.toString()); 339 cglue.setAttribute("arrayGet", arrayGet.toString()); 340 cglue.setAttribute("arrayRelease", arrayRelease.toString()); 341 cglue.setAttribute("posDecls", posDecls.toString()); 342 cglue.setAttribute("pixInitY", pixInitY.toString()); 343 cglue.setAttribute("pixInitX", pixInitX.toString()); 344 cglue.setAttribute("posIncrY", posIncrY.toString()); 345 cglue.setAttribute("posInitY", posInitY.toString()); 346 cglue.setAttribute("posIncrX", posIncrX.toString()); 347 cglue.setAttribute("posInitX", posInitX.toString()); 348 cglue.setAttribute("body", body); 349 350 GenCode gen = new GenCode(); 351 gen.javaCode = jglue.toString(); 352 gen.nativeCode = cglue.toString(); 353 return gen; 354 } 355 356 // TODO: need better mechanism for querying fields 357 private static char[] fields = {'x', 'y', 'z', 'w'}; 358 public static String getSuffix(int i) { 359 return "_" + fields[i]; 360 } 361 362 static int getFieldIndex(char field) { 363 switch (field) { 364 case 'r': 365 case 'x': 366 return 0; 367 case 'g': 368 case 'y': 369 return 1; 370 case 'b': 371 case 'z': 372 return 2; 373 case 'a': 374 case 'w': 375 return 3; 376 default: 377 throw new InternalError(); 378 } 379 } 380 381 // TODO: these shouldn't be implemented as a static method 382 private static Map<String, FuncDef> funcDefs = new HashMap<String, FuncDef>(); 383 static void putFuncDef(FuncDef def) { 384 funcDefs.put(def.getFunction().getName(), def); 385 } 386 static FuncDef getFuncDef(String name) { 387 return funcDefs.get(name); 388 } 389 390 private static Set<String> resultVars = new HashSet<String>(); 391 static boolean isResultVarDeclared(String vname) { 392 return resultVars.contains(vname); 393 } 394 static void declareResultVar(String vname) { 395 resultVars.add(vname); 396 } 397 398 private static StringBuilder usercode = new StringBuilder(); 399 static void addGlueBlock(String block) { 400 usercode.append(block); 401 } 402 403 private static void resetStatics() { 404 funcDefs.clear(); 405 resultVars.clear(); 406 usercode = new StringBuilder(); 407 } 408 }