glslang/MachineIndependent/intermOut.cpp

   1 //
   2 // Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
   3 // Copyright (C) 2012-2016 LunarG, Inc.
   4 //
   5 // All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or without
   8 // modification, are permitted provided that the following conditions
   9 // are met:
  10 //
  11 //    Redistributions of source code must retain the above copyright
  12 //    notice, this list of conditions and the following disclaimer.
  13 //
  14 //    Redistributions in binary form must reproduce the above
  15 //    copyright notice, this list of conditions and the following
  16 //    disclaimer in the documentation and/or other materials provided
  17 //    with the distribution.
  18 //
  19 //    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
  20 //    contributors may be used to endorse or promote products derived
  21 //    from this software without specific prior written permission.
  22 //
  23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  26 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  27 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  28 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  29 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  30 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  33 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  34 // POSSIBILITY OF SUCH DAMAGE.
  35 //
  36
  37 #include "localintermediate.h"
  38 #include "../Include/InfoSink.h"
  39
  40 #ifdef _MSC_VER
  41 #include <cfloat>
  42 #else
  43 #include <cmath>
  44 #endif
  45
  46 namespace {
  47
  48 bool IsInfinity(double x) {
  49 #ifdef _MSC_VER
  50     switch (_fpclass(x)) {
  51     case _FPCLASS_NINF:
  52     case _FPCLASS_PINF:
  53         return true;
  54     default:
  55         return false;
  56     }
  57 #else
  58     return std::isinf(x);
  59 #endif
  60 }
  61
  62 bool IsNan(double x) {
  63 #ifdef _MSC_VER
  64     switch (_fpclass(x)) {
  65     case _FPCLASS_SNAN:
  66     case _FPCLASS_QNAN:
  67         return true;
  68     default:
  69         return false;
  70     }
  71 #else
  72   return std::isnan(x);
  73 #endif
  74 }
  75
  76 }
  77
  78 namespace glslang {
  79
  80 //
  81 // Two purposes:
  82 // 1.  Show an example of how to iterate tree.  Functions can
  83 //     also directly call Traverse() on children themselves to
  84 //     have finer grained control over the process than shown here.
  85 //     See the last function for how to get started.
  86 // 2.  Print out a text based description of the tree.
  87 //
  88
  89 //
  90 // Use this class to carry along data from node to node in
  91 // the traversal
  92 //
  93 class TOutputTraverser : public TIntermTraverser {
  94 public:
  95     TOutputTraverser(TInfoSink& i) : infoSink(i) { }
  96
  97     virtual bool visitBinary(TVisit, TIntermBinary* node);
  98     virtual bool visitUnary(TVisit, TIntermUnary* node);
  99     virtual bool visitAggregate(TVisit, TIntermAggregate* node);
 100     virtual bool visitSelection(TVisit, TIntermSelection* node);
 101     virtual void visitConstantUnion(TIntermConstantUnion* node);
 102     virtual void visitSymbol(TIntermSymbol* node);
 103     virtual bool visitLoop(TVisit, TIntermLoop* node);
 104     virtual bool visitBranch(TVisit, TIntermBranch* node);
 105     virtual bool visitSwitch(TVisit, TIntermSwitch* node);
 106
 107     TInfoSink& infoSink;
 108 protected:
 109     TOutputTraverser(TOutputTraverser&);
 110     TOutputTraverser& operator=(TOutputTraverser&);
 111 };
 112
 113 //
 114 // Helper functions for printing, not part of traversing.
 115 //
 116
 117 static void OutputTreeText(TInfoSink& infoSink, const TIntermNode* node, const int depth)
 118 {
 119     int i;
 120
 121     infoSink.debug << node->getLoc().string << ":";
 122     if (node->getLoc().line)
 123         infoSink.debug << node->getLoc().line;
 124     else
 125         infoSink.debug << "? ";
 126
 127     for (i = 0; i < depth; ++i)
 128         infoSink.debug << "  ";
 129 }
 130
 131 //
 132 // The rest of the file are the traversal functions.  The last one
 133 // is the one that starts the traversal.
 134 //
 135 // Return true from interior nodes to have the external traversal
 136 // continue on to children.  If you process children yourself,
 137 // return false.
 138 //
 139
 140 bool TOutputTraverser::visitBinary(TVisit /* visit */, TIntermBinary* node)
 141 {
 142     TInfoSink& out = infoSink;
 143
 144     OutputTreeText(out, node, depth);
 145
 146     switch (node->getOp()) {
 147     case EOpAssign:                   out.debug << "move second child to first child";           break;
 148     case EOpAddAssign:                out.debug << "add second child into first child";          break;
 149     case EOpSubAssign:                out.debug << "subtract second child into first child";     break;
 150     case EOpMulAssign:                out.debug << "multiply second child into first child";     break;
 151     case EOpVectorTimesMatrixAssign:  out.debug << "matrix mult second child into first child";  break;
 152     case EOpVectorTimesScalarAssign:  out.debug << "vector scale second child into first child"; break;
 153     case EOpMatrixTimesScalarAssign:  out.debug << "matrix scale second child into first child"; break;
 154     case EOpMatrixTimesMatrixAssign:  out.debug << "matrix mult second child into first child";  break;
 155     case EOpDivAssign:                out.debug << "divide second child into first child";       break;
 156     case EOpModAssign:                out.debug << "mod second child into first child";          break;
 157     case EOpAndAssign:                out.debug << "and second child into first child";          break;
 158     case EOpInclusiveOrAssign:        out.debug << "or second child into first child";           break;
 159     case EOpExclusiveOrAssign:        out.debug << "exclusive or second child into first child"; break;
 160     case EOpLeftShiftAssign:          out.debug << "left shift second child into first child";   break;
 161     case EOpRightShiftAssign:         out.debug << "right shift second child into first child";  break;
 162
 163     case EOpIndexDirect:   out.debug << "direct index";   break;
 164     case EOpIndexIndirect: out.debug << "indirect index"; break;
 165     case EOpIndexDirectStruct:
 166         out.debug << (*node->getLeft()->getType().getStruct())[node->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst()].type->getFieldName();
 167         out.debug << ": direct index for structure";      break;
 168     case EOpVectorSwizzle: out.debug << "vector swizzle"; break;
 169     case EOpMatrixSwizzle: out.debug << "matrix swizzle"; break;
 170
 171     case EOpAdd:    out.debug << "add";                     break;
 172     case EOpSub:    out.debug << "subtract";                break;
 173     case EOpMul:    out.debug << "component-wise multiply"; break;
 174     case EOpDiv:    out.debug << "divide";                  break;
 175     case EOpMod:    out.debug << "mod";                     break;
 176     case EOpRightShift:  out.debug << "right-shift";  break;
 177     case EOpLeftShift:   out.debug << "left-shift";   break;
 178     case EOpAnd:         out.debug << "bitwise and";  break;
 179     case EOpInclusiveOr: out.debug << "inclusive-or"; break;
 180     case EOpExclusiveOr: out.debug << "exclusive-or"; break;
 181     case EOpEqual:            out.debug << "Compare Equal";                 break;
 182     case EOpNotEqual:         out.debug << "Compare Not Equal";             break;
 183     case EOpLessThan:         out.debug << "Compare Less Than";             break;
 184     case EOpGreaterThan:      out.debug << "Compare Greater Than";          break;
 185     case EOpLessThanEqual:    out.debug << "Compare Less Than or Equal";    break;
 186     case EOpGreaterThanEqual: out.debug << "Compare Greater Than or Equal"; break;
 187     case EOpVectorEqual:      out.debug << "Equal";                         break;
 188     case EOpVectorNotEqual:   out.debug << "NotEqual";                      break;
 189
 190     case EOpVectorTimesScalar: out.debug << "vector-scale";          break;
 191     case EOpVectorTimesMatrix: out.debug << "vector-times-matrix";   break;
 192     case EOpMatrixTimesVector: out.debug << "matrix-times-vector";   break;
 193     case EOpMatrixTimesScalar: out.debug << "matrix-scale";          break;
 194     case EOpMatrixTimesMatrix: out.debug << "matrix-multiply";       break;
 195
 196     case EOpLogicalOr:  out.debug << "logical-or";   break;
 197     case EOpLogicalXor: out.debug << "logical-xor"; break;
 198     case EOpLogicalAnd: out.debug << "logical-and"; break;
 199     default: out.debug << "<unknown op>";
 200     }
 201
 202     out.debug << " (" << node->getCompleteString() << ")";
 203
 204     out.debug << "\n";
 205
 206     return true;
 207 }
 208
 209 bool TOutputTraverser::visitUnary(TVisit /* visit */, TIntermUnary* node)
 210 {
 211     TInfoSink& out = infoSink;
 212
 213     OutputTreeText(out, node, depth);
 214
 215     switch (node->getOp()) {
 216     case EOpNegative:       out.debug << "Negate value";         break;
 217     case EOpVectorLogicalNot:
 218     case EOpLogicalNot:     out.debug << "Negate conditional";   break;
 219     case EOpBitwiseNot:     out.debug << "Bitwise not";          break;
 220
 221     case EOpPostIncrement:  out.debug << "Post-Increment";       break;
 222     case EOpPostDecrement:  out.debug << "Post-Decrement";       break;
 223     case EOpPreIncrement:   out.debug << "Pre-Increment";        break;
 224     case EOpPreDecrement:   out.debug << "Pre-Decrement";        break;
 225
 226     case EOpConvIntToBool:     out.debug << "Convert int to bool";     break;
 227     case EOpConvUintToBool:    out.debug << "Convert uint to bool";    break;
 228     case EOpConvFloatToBool:   out.debug << "Convert float to bool";   break;
 229     case EOpConvDoubleToBool:  out.debug << "Convert double to bool";  break;
 230     case EOpConvInt64ToBool:   out.debug << "Convert int64 to bool";   break;
 231     case EOpConvUint64ToBool:  out.debug << "Convert uint64 to bool";  break;
 232     case EOpConvIntToFloat:    out.debug << "Convert int to float";    break;
 233     case EOpConvUintToFloat:   out.debug << "Convert uint to float";   break;
 234     case EOpConvDoubleToFloat: out.debug << "Convert double to float"; break;
 235     case EOpConvInt64ToFloat:  out.debug << "Convert int64 to float";  break;
 236     case EOpConvUint64ToFloat: out.debug << "Convert uint64 to float"; break;
 237     case EOpConvBoolToFloat:   out.debug << "Convert bool to float";   break;
 238     case EOpConvUintToInt:     out.debug << "Convert uint to int";     break;
 239     case EOpConvFloatToInt:    out.debug << "Convert float to int";    break;
 240     case EOpConvDoubleToInt:   out.debug << "Convert double to int";   break;
 241     case EOpConvBoolToInt:     out.debug << "Convert bool to int";     break;
 242     case EOpConvInt64ToInt:    out.debug << "Convert int64 to int";    break;
 243     case EOpConvUint64ToInt:   out.debug << "Convert uint64 to int";   break;
 244     case EOpConvIntToUint:     out.debug << "Convert int to uint";     break;
 245     case EOpConvFloatToUint:   out.debug << "Convert float to uint";   break;
 246     case EOpConvDoubleToUint:  out.debug << "Convert double to uint";  break;
 247     case EOpConvBoolToUint:    out.debug << "Convert bool to uint";    break;
 248     case EOpConvInt64ToUint:   out.debug << "Convert int64 to uint";   break;
 249     case EOpConvUint64ToUint:  out.debug << "Convert uint64 to uint";  break;
 250     case EOpConvIntToDouble:   out.debug << "Convert int to double";   break;
 251     case EOpConvUintToDouble:  out.debug << "Convert uint to double";  break;
 252     case EOpConvFloatToDouble: out.debug << "Convert float to double"; break;
 253     case EOpConvBoolToDouble:  out.debug << "Convert bool to double";  break;
 254     case EOpConvInt64ToDouble: out.debug << "Convert int64 to double"; break;
 255     case EOpConvUint64ToDouble: out.debug << "Convert uint64 to double";  break;
 256     case EOpConvBoolToInt64:   out.debug << "Convert bool to int64";   break;
 257     case EOpConvIntToInt64:    out.debug << "Convert int to int64";    break;
 258     case EOpConvUintToInt64:   out.debug << "Convert uint to int64";   break;
 259     case EOpConvFloatToInt64:  out.debug << "Convert float to int64";  break;
 260     case EOpConvDoubleToInt64: out.debug << "Convert double to int64"; break;
 261     case EOpConvUint64ToInt64: out.debug << "Convert uint64 to int64"; break;
 262     case EOpConvBoolToUint64:  out.debug << "Convert bool to uint64";  break;
 263     case EOpConvIntToUint64:   out.debug << "Convert int to uint64";   break;
 264     case EOpConvUintToUint64:  out.debug << "Convert uint to uint64";  break;
 265     case EOpConvFloatToUint64: out.debug << "Convert float to uint64"; break;
 266     case EOpConvDoubleToUint64: out.debug << "Convert double to uint64"; break;
 267     case EOpConvInt64ToUint64: out.debug << "Convert uint64 to uint64"; break;
 268
 269     case EOpRadians:        out.debug << "radians";              break;
 270     case EOpDegrees:        out.debug << "degrees";              break;
 271     case EOpSin:            out.debug << "sine";                 break;
 272     case EOpCos:            out.debug << "cosine";               break;
 273     case EOpTan:            out.debug << "tangent";              break;
 274     case EOpAsin:           out.debug << "arc sine";             break;
 275     case EOpAcos:           out.debug << "arc cosine";           break;
 276     case EOpAtan:           out.debug << "arc tangent";          break;
 277     case EOpSinh:           out.debug << "hyp. sine";            break;
 278     case EOpCosh:           out.debug << "hyp. cosine";          break;
 279     case EOpTanh:           out.debug << "hyp. tangent";         break;
 280     case EOpAsinh:          out.debug << "arc hyp. sine";        break;
 281     case EOpAcosh:          out.debug << "arc hyp. cosine";      break;
 282     case EOpAtanh:          out.debug << "arc hyp. tangent";     break;
 283
 284     case EOpExp:            out.debug << "exp";                  break;
 285     case EOpLog:            out.debug << "log";                  break;
 286     case EOpExp2:           out.debug << "exp2";                 break;
 287     case EOpLog2:           out.debug << "log2";                 break;
 288     case EOpSqrt:           out.debug << "sqrt";                 break;
 289     case EOpInverseSqrt:    out.debug << "inverse sqrt";         break;
 290
 291     case EOpAbs:            out.debug << "Absolute value";       break;
 292     case EOpSign:           out.debug << "Sign";                 break;
 293     case EOpFloor:          out.debug << "Floor";                break;
 294     case EOpTrunc:          out.debug << "trunc";                break;
 295     case EOpRound:          out.debug << "round";                break;
 296     case EOpRoundEven:      out.debug << "roundEven";            break;
 297     case EOpCeil:           out.debug << "Ceiling";              break;
 298     case EOpFract:          out.debug << "Fraction";             break;
 299
 300     case EOpIsNan:          out.debug << "isnan";                break;
 301     case EOpIsInf:          out.debug << "isinf";                break;
 302
 303     case EOpFloatBitsToInt: out.debug << "floatBitsToInt";       break;
 304     case EOpFloatBitsToUint:out.debug << "floatBitsToUint";      break;
 305     case EOpIntBitsToFloat: out.debug << "intBitsToFloat";       break;
 306     case EOpUintBitsToFloat:out.debug << "uintBitsToFloat";      break;
 307     case EOpDoubleBitsToInt64:  out.debug << "doubleBitsToInt64";  break;
 308     case EOpDoubleBitsToUint64: out.debug << "doubleBitsToUint64"; break;
 309     case EOpInt64BitsToDouble:  out.debug << "int64BitsToDouble";  break;
 310     case EOpUint64BitsToDouble: out.debug << "uint64BitsToDouble"; break;
 311     case EOpPackSnorm2x16:  out.debug << "packSnorm2x16";        break;
 312     case EOpUnpackSnorm2x16:out.debug << "unpackSnorm2x16";      break;
 313     case EOpPackUnorm2x16:  out.debug << "packUnorm2x16";        break;
 314     case EOpUnpackUnorm2x16:out.debug << "unpackUnorm2x16";      break;
 315     case EOpPackHalf2x16:   out.debug << "packHalf2x16";         break;
 316     case EOpUnpackHalf2x16: out.debug << "unpackHalf2x16";       break;
 317
 318     case EOpPackSnorm4x8:     out.debug << "PackSnorm4x8";       break;
 319     case EOpUnpackSnorm4x8:   out.debug << "UnpackSnorm4x8";     break;
 320     case EOpPackUnorm4x8:     out.debug << "PackUnorm4x8";       break;
 321     case EOpUnpackUnorm4x8:   out.debug << "UnpackUnorm4x8";     break;
 322     case EOpPackDouble2x32:   out.debug << "PackDouble2x32";     break;
 323     case EOpUnpackDouble2x32: out.debug << "UnpackDouble2x32";   break;
 324
 325     case EOpPackInt2x32:      out.debug << "packInt2x32";        break;
 326     case EOpUnpackInt2x32:    out.debug << "unpackInt2x32";      break;
 327     case EOpPackUint2x32:     out.debug << "packUint2x32";       break;
 328     case EOpUnpackUint2x32:   out.debug << "unpackUint2x32";     break;
 329
 330 #ifdef AMD_EXTENSIONS
 331     case EOpPackFloat2x16:    out.debug << "packFloat2x16";      break;
 332     case EOpUnpackFloat2x16:  out.debug << "unpackFloat2x16";    break;
 333 #endif
 334
 335     case EOpLength:         out.debug << "length";               break;
 336     case EOpNormalize:      out.debug << "normalize";            break;
 337     case EOpDPdx:           out.debug << "dPdx";                 break;
 338     case EOpDPdy:           out.debug << "dPdy";                 break;
 339     case EOpFwidth:         out.debug << "fwidth";               break;
 340     case EOpDPdxFine:       out.debug << "dPdxFine";             break;
 341     case EOpDPdyFine:       out.debug << "dPdyFine";             break;
 342     case EOpFwidthFine:     out.debug << "fwidthFine";           break;
 343     case EOpDPdxCoarse:     out.debug << "dPdxCoarse";           break;
 344     case EOpDPdyCoarse:     out.debug << "dPdyCoarse";           break;
 345     case EOpFwidthCoarse:   out.debug << "fwidthCoarse";         break;
 346
 347     case EOpInterpolateAtCentroid: out.debug << "interpolateAtCentroid";  break;
 348
 349     case EOpDeterminant:    out.debug << "determinant";          break;
 350     case EOpMatrixInverse:  out.debug << "inverse";              break;
 351     case EOpTranspose:      out.debug << "transpose";            break;
 352
 353     case EOpAny:            out.debug << "any";                  break;
 354     case EOpAll:            out.debug << "all";                  break;
 355
 356     case EOpArrayLength:    out.debug << "array length";         break;
 357
 358     case EOpEmitStreamVertex:   out.debug << "EmitStreamVertex";   break;
 359     case EOpEndStreamPrimitive: out.debug << "EndStreamPrimitive"; break;
 360
 361     case EOpAtomicCounterIncrement: out.debug << "AtomicCounterIncrement";break;
 362     case EOpAtomicCounterDecrement: out.debug << "AtomicCounterDecrement";break;
 363     case EOpAtomicCounter:          out.debug << "AtomicCounter";         break;
 364
 365     case EOpTextureQuerySize:       out.debug << "textureSize";           break;
 366     case EOpTextureQueryLod:        out.debug << "textureQueryLod";       break;
 367     case EOpTextureQueryLevels:     out.debug << "textureQueryLevels";    break;
 368     case EOpTextureQuerySamples:    out.debug << "textureSamples";        break;
 369     case EOpImageQuerySize:         out.debug << "imageQuerySize";        break;
 370     case EOpImageQuerySamples:      out.debug << "imageQuerySamples";     break;
 371     case EOpImageLoad:              out.debug << "imageLoad";             break;
 372
 373     case EOpBitFieldReverse:        out.debug << "bitFieldReverse";       break;
 374     case EOpBitCount:               out.debug << "bitCount";              break;
 375     case EOpFindLSB:                out.debug << "findLSB";               break;
 376     case EOpFindMSB:                out.debug << "findMSB";               break;
 377
 378     case EOpNoise:                  out.debug << "noise";                 break;
 379
 380     case EOpBallot:                 out.debug << "ballot";                break;
 381     case EOpReadFirstInvocation:    out.debug << "readFirstInvocation";   break;
 382
 383     case EOpAnyInvocation:          out.debug << "anyInvocation";         break;
 384     case EOpAllInvocations:         out.debug << "allInvocations";        break;
 385     case EOpAllInvocationsEqual:    out.debug << "allInvocationsEqual";   break;
 386
 387     case EOpClip:                   out.debug << "clip";                  break;
 388     case EOpIsFinite:               out.debug << "isfinite";              break;
 389     case EOpLog10:                  out.debug << "log10";                 break;
 390     case EOpRcp:                    out.debug << "rcp";                   break;
 391     case EOpSaturate:               out.debug << "saturate";              break;
 392
 393     case EOpSparseTexelsResident:   out.debug << "sparseTexelsResident";  break;
 394
 395 #ifdef AMD_EXTENSIONS
 396     case EOpMinInvocations:             out.debug << "minInvocations";              break;
 397     case EOpMaxInvocations:             out.debug << "maxInvocations";              break;
 398     case EOpAddInvocations:             out.debug << "addInvocations";              break;
 399     case EOpMinInvocationsNonUniform:   out.debug << "minInvocationsNonUniform";    break;
 400     case EOpMaxInvocationsNonUniform:   out.debug << "maxInvocationsNonUniform";    break;
 401     case EOpAddInvocationsNonUniform:   out.debug << "addInvocationsNonUniform";    break;
 402
 403     case EOpMinInvocationsInclusiveScan:            out.debug << "minInvocationsInclusiveScan";             break;
 404     case EOpMaxInvocationsInclusiveScan:            out.debug << "maxInvocationsInclusiveScan";             break;
 405     case EOpAddInvocationsInclusiveScan:            out.debug << "addInvocationsInclusiveScan";             break;
 406     case EOpMinInvocationsInclusiveScanNonUniform:  out.debug << "minInvocationsInclusiveScanNonUniform";   break;
 407     case EOpMaxInvocationsInclusiveScanNonUniform:  out.debug << "maxInvocationsInclusiveScanNonUniform";   break;
 408     case EOpAddInvocationsInclusiveScanNonUniform:  out.debug << "addInvocationsInclusiveScanNonUniform";   break;
 409
 410     case EOpMinInvocationsExclusiveScan:            out.debug << "minInvocationsExclusiveScan";             break;
 411     case EOpMaxInvocationsExclusiveScan:            out.debug << "maxInvocationsExclusiveScan";             break;
 412     case EOpAddInvocationsExclusiveScan:            out.debug << "addInvocationsExclusiveScan";             break;
 413     case EOpMinInvocationsExclusiveScanNonUniform:  out.debug << "minInvocationsExclusiveScanNonUniform";   break;
 414     case EOpMaxInvocationsExclusiveScanNonUniform:  out.debug << "maxInvocationsExclusiveScanNonUniform";   break;
 415     case EOpAddInvocationsExclusiveScanNonUniform:  out.debug << "addInvocationsExclusiveScanNonUniform";   break;
 416
 417     case EOpMbcnt:                      out.debug << "mbcnt";                       break;
 418
 419     case EOpCubeFaceIndex:          out.debug << "cubeFaceIndex";         break;
 420     case EOpCubeFaceCoord:          out.debug << "cubeFaceCoord";         break;
 421
 422     case EOpConvBoolToFloat16:      out.debug << "Convert bool to float16";     break;
 423     case EOpConvIntToFloat16:       out.debug << "Convert int to float16";      break;
 424     case EOpConvUintToFloat16:      out.debug << "Convert uint to float16";     break;
 425     case EOpConvFloatToFloat16:     out.debug << "Convert float to float16";    break;
 426     case EOpConvDoubleToFloat16:    out.debug << "Convert double to float16";   break;
 427     case EOpConvInt64ToFloat16:     out.debug << "Convert int64 to float16";    break;
 428     case EOpConvUint64ToFloat16:    out.debug << "Convert uint64 to float16";   break;
 429     case EOpConvFloat16ToBool:      out.debug << "Convert float16 to bool";     break;
 430     case EOpConvFloat16ToInt:       out.debug << "Convert float16 to int";      break;
 431     case EOpConvFloat16ToUint:      out.debug << "Convert float16 to uint";     break;
 432     case EOpConvFloat16ToFloat:     out.debug << "Convert float16 to float";    break;
 433     case EOpConvFloat16ToDouble:    out.debug << "Convert float16 to double";   break;
 434     case EOpConvFloat16ToInt64:     out.debug << "Convert float16 to int64";    break;
 435     case EOpConvFloat16ToUint64:    out.debug << "Convert float16 to uint64";   break;
 436 #endif
 437
 438     default: out.debug.message(EPrefixError, "Bad unary op");
 439     }
 440
 441     out.debug << " (" << node->getCompleteString() << ")";
 442
 443     out.debug << "\n";
 444
 445     return true;
 446 }
 447
 448 bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node)
 449 {
 450     TInfoSink& out = infoSink;
 451
 452     if (node->getOp() == EOpNull) {
 453         out.debug.message(EPrefixError, "node is still EOpNull!");
 454         return true;
 455     }
 456
 457     OutputTreeText(out, node, depth);
 458
 459     switch (node->getOp()) {
 460     case EOpSequence:      out.debug << "Sequence\n";       return true;
 461     case EOpLinkerObjects: out.debug << "Linker Objects\n"; return true;
 462     case EOpComma:         out.debug << "Comma";            break;
 463     case EOpFunction:      out.debug << "Function Definition: " << node->getName(); break;
 464     case EOpFunctionCall:  out.debug << "Function Call: "       << node->getName(); break;
 465     case EOpParameters:    out.debug << "Function Parameters: ";                    break;
 466
 467     case EOpConstructFloat: out.debug << "Construct float"; break;
 468     case EOpConstructDouble:out.debug << "Construct double"; break;
 469     case EOpConstructVec2:  out.debug << "Construct vec2";  break;
 470     case EOpConstructVec3:  out.debug << "Construct vec3";  break;
 471     case EOpConstructVec4:  out.debug << "Construct vec4";  break;
 472     case EOpConstructBool:  out.debug << "Construct bool";  break;
 473     case EOpConstructBVec2: out.debug << "Construct bvec2"; break;
 474     case EOpConstructBVec3: out.debug << "Construct bvec3"; break;
 475     case EOpConstructBVec4: out.debug << "Construct bvec4"; break;
 476     case EOpConstructInt:   out.debug << "Construct int";   break;
 477     case EOpConstructIVec2: out.debug << "Construct ivec2"; break;
 478     case EOpConstructIVec3: out.debug << "Construct ivec3"; break;
 479     case EOpConstructIVec4: out.debug << "Construct ivec4"; break;
 480     case EOpConstructUint:    out.debug << "Construct uint";    break;
 481     case EOpConstructUVec2:   out.debug << "Construct uvec2";   break;
 482     case EOpConstructUVec3:   out.debug << "Construct uvec3";   break;
 483     case EOpConstructUVec4:   out.debug << "Construct uvec4";   break;
 484     case EOpConstructInt64:   out.debug << "Construct int64_t"; break;
 485     case EOpConstructI64Vec2: out.debug << "Construct i64vec2"; break;
 486     case EOpConstructI64Vec3: out.debug << "Construct i64vec3"; break;
 487     case EOpConstructI64Vec4: out.debug << "Construct i64vec4"; break;
 488     case EOpConstructUint64:  out.debug << "Construct uint64_t"; break;
 489     case EOpConstructU64Vec2: out.debug << "Construct u64vec2"; break;
 490     case EOpConstructU64Vec3: out.debug << "Construct u64vec3"; break;
 491     case EOpConstructU64Vec4: out.debug << "Construct u64vec4"; break;
 492     case EOpConstructMat2x2:  out.debug << "Construct mat2";    break;
 493     case EOpConstructMat2x3:  out.debug << "Construct mat2x3";  break;
 494     case EOpConstructMat2x4:  out.debug << "Construct mat2x4";  break;
 495     case EOpConstructMat3x2:  out.debug << "Construct mat3x2";  break;
 496     case EOpConstructMat3x3:  out.debug << "Construct mat3";    break;
 497     case EOpConstructMat3x4:  out.debug << "Construct mat3x4";  break;
 498     case EOpConstructMat4x2:  out.debug << "Construct mat4x2";  break;
 499     case EOpConstructMat4x3:  out.debug << "Construct mat4x3";  break;
 500     case EOpConstructMat4x4:  out.debug << "Construct mat4";    break;
 501     case EOpConstructDMat2x2: out.debug << "Construct dmat2";   break;
 502     case EOpConstructDMat2x3: out.debug << "Construct dmat2x3"; break;
 503     case EOpConstructDMat2x4: out.debug << "Construct dmat2x4"; break;
 504     case EOpConstructDMat3x2: out.debug << "Construct dmat3x2"; break;
 505     case EOpConstructDMat3x3: out.debug << "Construct dmat3";   break;
 506     case EOpConstructDMat3x4: out.debug << "Construct dmat3x4"; break;
 507     case EOpConstructDMat4x2: out.debug << "Construct dmat4x2"; break;
 508     case EOpConstructDMat4x3: out.debug << "Construct dmat4x3"; break;
 509     case EOpConstructDMat4x4: out.debug << "Construct dmat4";   break;
 510     case EOpConstructIMat2x2: out.debug << "Construct imat2";   break;
 511     case EOpConstructIMat2x3: out.debug << "Construct imat2x3"; break;
 512     case EOpConstructIMat2x4: out.debug << "Construct imat2x4"; break;
 513     case EOpConstructIMat3x2: out.debug << "Construct imat3x2"; break;
 514     case EOpConstructIMat3x3: out.debug << "Construct imat3";   break;
 515     case EOpConstructIMat3x4: out.debug << "Construct imat3x4"; break;
 516     case EOpConstructIMat4x2: out.debug << "Construct imat4x2"; break;
 517     case EOpConstructIMat4x3: out.debug << "Construct imat4x3"; break;
 518     case EOpConstructIMat4x4: out.debug << "Construct imat4";   break;
 519     case EOpConstructUMat2x2: out.debug << "Construct umat2";   break;
 520     case EOpConstructUMat2x3: out.debug << "Construct umat2x3"; break;
 521     case EOpConstructUMat2x4: out.debug << "Construct umat2x4"; break;
 522     case EOpConstructUMat3x2: out.debug << "Construct umat3x2"; break;
 523     case EOpConstructUMat3x3: out.debug << "Construct umat3";   break;
 524     case EOpConstructUMat3x4: out.debug << "Construct umat3x4"; break;
 525     case EOpConstructUMat4x2: out.debug << "Construct umat4x2"; break;
 526     case EOpConstructUMat4x3: out.debug << "Construct umat4x3"; break;
 527     case EOpConstructUMat4x4: out.debug << "Construct umat4";   break;
 528     case EOpConstructBMat2x2: out.debug << "Construct bmat2";   break;
 529     case EOpConstructBMat2x3: out.debug << "Construct bmat2x3"; break;
 530     case EOpConstructBMat2x4: out.debug << "Construct bmat2x4"; break;
 531     case EOpConstructBMat3x2: out.debug << "Construct bmat3x2"; break;
 532     case EOpConstructBMat3x3: out.debug << "Construct bmat3";   break;
 533     case EOpConstructBMat3x4: out.debug << "Construct bmat3x4"; break;
 534     case EOpConstructBMat4x2: out.debug << "Construct bmat4x2"; break;
 535     case EOpConstructBMat4x3: out.debug << "Construct bmat4x3"; break;
 536     case EOpConstructBMat4x4: out.debug << "Construct bmat4";   break;
 537 #ifdef AMD_EXTENSIONS
 538     case EOpConstructFloat16:   out.debug << "Construct float16_t"; break;
 539     case EOpConstructF16Vec2:   out.debug << "Construct f16vec2";   break;
 540     case EOpConstructF16Vec3:   out.debug << "Construct f16vec3";   break;
 541     case EOpConstructF16Vec4:   out.debug << "Construct f16vec4";   break;
 542     case EOpConstructF16Mat2x2: out.debug << "Construct f16mat2";   break;
 543     case EOpConstructF16Mat2x3: out.debug << "Construct f16mat2x3"; break;
 544     case EOpConstructF16Mat2x4: out.debug << "Construct f16mat2x4"; break;
 545     case EOpConstructF16Mat3x2: out.debug << "Construct f16mat3x2"; break;
 546     case EOpConstructF16Mat3x3: out.debug << "Construct f16mat3";   break;
 547     case EOpConstructF16Mat3x4: out.debug << "Construct f16mat3x4"; break;
 548     case EOpConstructF16Mat4x2: out.debug << "Construct f16mat4x2"; break;
 549     case EOpConstructF16Mat4x3: out.debug << "Construct f16mat4x3"; break;
 550     case EOpConstructF16Mat4x4: out.debug << "Construct f16mat4";   break;
 551 #endif
 552     case EOpConstructStruct:  out.debug << "Construct structure";  break;
 553     case EOpConstructTextureSampler: out.debug << "Construct combined texture-sampler"; break;
 554
 555     case EOpLessThan:         out.debug << "Compare Less Than";             break;
 556     case EOpGreaterThan:      out.debug << "Compare Greater Than";          break;
 557     case EOpLessThanEqual:    out.debug << "Compare Less Than or Equal";    break;
 558     case EOpGreaterThanEqual: out.debug << "Compare Greater Than or Equal"; break;
 559     case EOpVectorEqual:      out.debug << "Equal";                         break;
 560     case EOpVectorNotEqual:   out.debug << "NotEqual";                      break;
 561
 562     case EOpMod:           out.debug << "mod";         break;
 563     case EOpModf:          out.debug << "modf";        break;
 564     case EOpPow:           out.debug << "pow";         break;
 565
 566     case EOpAtan:          out.debug << "arc tangent"; break;
 567
 568     case EOpMin:           out.debug << "min";         break;
 569     case EOpMax:           out.debug << "max";         break;
 570     case EOpClamp:         out.debug << "clamp";       break;
 571     case EOpMix:           out.debug << "mix";         break;
 572     case EOpStep:          out.debug << "step";        break;
 573     case EOpSmoothStep:    out.debug << "smoothstep";  break;
 574
 575     case EOpDistance:      out.debug << "distance";                break;
 576     case EOpDot:           out.debug << "dot-product";             break;
 577     case EOpCross:         out.debug << "cross-product";           break;
 578     case EOpFaceForward:   out.debug << "face-forward";            break;
 579     case EOpReflect:       out.debug << "reflect";                 break;
 580     case EOpRefract:       out.debug << "refract";                 break;
 581     case EOpMul:           out.debug << "component-wise multiply"; break;
 582     case EOpOuterProduct:  out.debug << "outer product";           break;
 583
 584     case EOpEmitVertex:    out.debug << "EmitVertex";              break;
 585     case EOpEndPrimitive:  out.debug << "EndPrimitive";            break;
 586
 587     case EOpBarrier:                    out.debug << "Barrier";                    break;
 588     case EOpMemoryBarrier:              out.debug << "MemoryBarrier";              break;
 589     case EOpMemoryBarrierAtomicCounter: out.debug << "MemoryBarrierAtomicCounter"; break;
 590     case EOpMemoryBarrierBuffer:        out.debug << "MemoryBarrierBuffer";        break;
 591     case EOpMemoryBarrierImage:         out.debug << "MemoryBarrierImage";         break;
 592     case EOpMemoryBarrierShared:        out.debug << "MemoryBarrierShared";        break;
 593     case EOpGroupMemoryBarrier:         out.debug << "GroupMemoryBarrier";         break;
 594
 595     case EOpReadInvocation:             out.debug << "readInvocation";        break;
 596
 597 #ifdef AMD_EXTENSIONS
 598     case EOpSwizzleInvocations:         out.debug << "swizzleInvocations";       break;
 599     case EOpSwizzleInvocationsMasked:   out.debug << "swizzleInvocationsMasked"; break;
 600     case EOpWriteInvocation:            out.debug << "writeInvocation";          break;
 601
 602     case EOpMin3:                       out.debug << "min3";                  break;
 603     case EOpMax3:                       out.debug << "max3";                  break;
 604     case EOpMid3:                       out.debug << "mid3";                  break;
 605
 606     case EOpTime:                       out.debug << "time";                  break;
 607 #endif
 608
 609     case EOpAtomicAdd:                  out.debug << "AtomicAdd";             break;
 610     case EOpAtomicMin:                  out.debug << "AtomicMin";             break;
 611     case EOpAtomicMax:                  out.debug << "AtomicMax";             break;
 612     case EOpAtomicAnd:                  out.debug << "AtomicAnd";             break;
 613     case EOpAtomicOr:                   out.debug << "AtomicOr";              break;
 614     case EOpAtomicXor:                  out.debug << "AtomicXor";             break;
 615     case EOpAtomicExchange:             out.debug << "AtomicExchange";        break;
 616     case EOpAtomicCompSwap:             out.debug << "AtomicCompSwap";        break;
 617
 618     case EOpImageQuerySize:             out.debug << "imageQuerySize";        break;
 619     case EOpImageQuerySamples:          out.debug << "imageQuerySamples";     break;
 620     case EOpImageLoad:                  out.debug << "imageLoad";             break;
 621     case EOpImageStore:                 out.debug << "imageStore";            break;
 622     case EOpImageAtomicAdd:             out.debug << "imageAtomicAdd";        break;
 623     case EOpImageAtomicMin:             out.debug << "imageAtomicMin";        break;
 624     case EOpImageAtomicMax:             out.debug << "imageAtomicMax";        break;
 625     case EOpImageAtomicAnd:             out.debug << "imageAtomicAnd";        break;
 626     case EOpImageAtomicOr:              out.debug << "imageAtomicOr";         break;
 627     case EOpImageAtomicXor:             out.debug << "imageAtomicXor";        break;
 628     case EOpImageAtomicExchange:        out.debug << "imageAtomicExchange";   break;
 629     case EOpImageAtomicCompSwap:        out.debug << "imageAtomicCompSwap";   break;
 630
 631     case EOpTextureQuerySize:           out.debug << "textureSize";           break;
 632     case EOpTextureQueryLod:            out.debug << "textureQueryLod";       break;
 633     case EOpTextureQueryLevels:         out.debug << "textureQueryLevels";    break;
 634     case EOpTextureQuerySamples:        out.debug << "textureSamples";        break;
 635     case EOpTexture:                    out.debug << "texture";               break;
 636     case EOpTextureProj:                out.debug << "textureProj";           break;
 637     case EOpTextureLod:                 out.debug << "textureLod";            break;
 638     case EOpTextureOffset:              out.debug << "textureOffset";         break;
 639     case EOpTextureFetch:               out.debug << "textureFetch";          break;
 640     case EOpTextureFetchOffset:         out.debug << "textureFetchOffset";    break;
 641     case EOpTextureProjOffset:          out.debug << "textureProjOffset";     break;
 642     case EOpTextureLodOffset:           out.debug << "textureLodOffset";      break;
 643     case EOpTextureProjLod:             out.debug << "textureProjLod";        break;
 644     case EOpTextureProjLodOffset:       out.debug << "textureProjLodOffset";  break;
 645     case EOpTextureGrad:                out.debug << "textureGrad";           break;
 646     case EOpTextureGradOffset:          out.debug << "textureGradOffset";     break;
 647     case EOpTextureProjGrad:            out.debug << "textureProjGrad";       break;
 648     case EOpTextureProjGradOffset:      out.debug << "textureProjGradOffset"; break;
 649     case EOpTextureGather:              out.debug << "textureGather";         break;
 650     case EOpTextureGatherOffset:        out.debug << "textureGatherOffset";   break;
 651     case EOpTextureGatherOffsets:       out.debug << "textureGatherOffsets";  break;
 652     case EOpTextureClamp:               out.debug << "textureClamp";          break;
 653     case EOpTextureOffsetClamp:         out.debug << "textureOffsetClamp";    break;
 654     case EOpTextureGradClamp:           out.debug << "textureGradClamp";      break;
 655     case EOpTextureGradOffsetClamp:     out.debug << "textureGradOffsetClamp";  break;
 656 #ifdef AMD_EXTENSIONS
 657     case EOpTextureGatherLod:           out.debug << "textureGatherLod";        break;
 658     case EOpTextureGatherLodOffset:     out.debug << "textureGatherLodOffset";  break;
 659     case EOpTextureGatherLodOffsets:    out.debug << "textureGatherLodOffsets"; break;
 660 #endif
 661
 662     case EOpSparseTexture:                  out.debug << "sparseTexture";                   break;
 663     case EOpSparseTextureOffset:            out.debug << "sparseTextureOffset";             break;
 664     case EOpSparseTextureLod:               out.debug << "sparseTextureLod";                break;
 665     case EOpSparseTextureLodOffset:         out.debug << "sparseTextureLodOffset";          break;
 666     case EOpSparseTextureFetch:             out.debug << "sparseTexelFetch";                break;
 667     case EOpSparseTextureFetchOffset:       out.debug << "sparseTexelFetchOffset";          break;
 668     case EOpSparseTextureGrad:              out.debug << "sparseTextureGrad";               break;
 669     case EOpSparseTextureGradOffset:        out.debug << "sparseTextureGradOffset";         break;
 670     case EOpSparseTextureGather:            out.debug << "sparseTextureGather";             break;
 671     case EOpSparseTextureGatherOffset:      out.debug << "sparseTextureGatherOffset";       break;
 672     case EOpSparseTextureGatherOffsets:     out.debug << "sparseTextureGatherOffsets";      break;
 673     case EOpSparseImageLoad:                out.debug << "sparseImageLoad";                 break;
 674     case EOpSparseTextureClamp:             out.debug << "sparseTextureClamp";              break;
 675     case EOpSparseTextureOffsetClamp:       out.debug << "sparseTextureOffsetClamp";        break;
 676     case EOpSparseTextureGradClamp:         out.debug << "sparseTextureGradClamp";          break;
 677     case EOpSparseTextureGradOffsetClamp:   out.debug << "sparseTextureGradOffsetClam";     break;
 678 #ifdef AMD_EXTENSIONS
 679     case EOpSparseTextureGatherLod:         out.debug << "sparseTextureGatherLod";          break;
 680     case EOpSparseTextureGatherLodOffset:   out.debug << "sparseTextureGatherLodOffset";    break;
 681     case EOpSparseTextureGatherLodOffsets:  out.debug << "sparseTextureGatherLodOffsets";   break;
 682 #endif
 683
 684     case EOpAddCarry:                   out.debug << "addCarry";              break;
 685     case EOpSubBorrow:                  out.debug << "subBorrow";             break;
 686     case EOpUMulExtended:               out.debug << "uMulExtended";          break;
 687     case EOpIMulExtended:               out.debug << "iMulExtended";          break;
 688     case EOpBitfieldExtract:            out.debug << "bitfieldExtract";       break;
 689     case EOpBitfieldInsert:             out.debug << "bitfieldInsert";        break;
 690
 691     case EOpFma:                        out.debug << "fma";                   break;
 692     case EOpFrexp:                      out.debug << "frexp";                 break;
 693     case EOpLdexp:                      out.debug << "ldexp";                 break;
 694
 695     case EOpInterpolateAtSample:   out.debug << "interpolateAtSample";    break;
 696     case EOpInterpolateAtOffset:   out.debug << "interpolateAtOffset";    break;
 697 #ifdef AMD_EXTENSIONS
 698     case EOpInterpolateAtVertex:   out.debug << "interpolateAtVertex";    break;
 699 #endif
 700
 701     case EOpSinCos:                     out.debug << "sincos";                break;
 702     case EOpGenMul:                     out.debug << "mul";                   break;
 703
 704     case EOpAllMemoryBarrierWithGroupSync:    out.debug << "AllMemoryBarrierWithGroupSync";    break;
 705     case EOpGroupMemoryBarrierWithGroupSync: out.debug << "GroupMemoryBarrierWithGroupSync"; break;
 706     case EOpWorkgroupMemoryBarrier:           out.debug << "WorkgroupMemoryBarrier";           break;
 707     case EOpWorkgroupMemoryBarrierWithGroupSync: out.debug << "WorkgroupMemoryBarrierWithGroupSync"; break;
 708
 709     default: out.debug.message(EPrefixError, "Bad aggregation op");
 710     }
 711
 712     if (node->getOp() != EOpSequence && node->getOp() != EOpParameters)
 713         out.debug << " (" << node->getCompleteString() << ")";
 714
 715     out.debug << "\n";
 716
 717     return true;
 718 }
 719
 720 bool TOutputTraverser::visitSelection(TVisit /* visit */, TIntermSelection* node)
 721 {
 722     TInfoSink& out = infoSink;
 723
 724     OutputTreeText(out, node, depth);
 725
 726     out.debug << "Test condition and select";
 727     out.debug << " (" << node->getCompleteString() << ")\n";
 728
 729     ++depth;
 730
 731     OutputTreeText(out, node, depth);
 732     out.debug << "Condition\n";
 733     node->getCondition()->traverse(this);
 734
 735     OutputTreeText(out, node, depth);
 736     if (node->getTrueBlock()) {
 737         out.debug << "true case\n";
 738         node->getTrueBlock()->traverse(this);
 739     } else
 740         out.debug << "true case is null\n";
 741
 742     if (node->getFalseBlock()) {
 743         OutputTreeText(out, node, depth);
 744         out.debug << "false case\n";
 745         node->getFalseBlock()->traverse(this);
 746     }
 747
 748     --depth;
 749
 750     return false;
 751 }
 752
 753 static void OutputConstantUnion(TInfoSink& out, const TIntermTyped* node, const TConstUnionArray& constUnion, int depth)
 754 {
 755     int size = node->getType().computeNumComponents();
 756
 757     for (int i = 0; i < size; i++) {
 758         OutputTreeText(out, node, depth);
 759         switch (constUnion[i].getType()) {
 760         case EbtBool:
 761             if (constUnion[i].getBConst())
 762                 out.debug << "true";
 763             else
 764                 out.debug << "false";
 765
 766             out.debug << " (" << "const bool" << ")";
 767
 768             out.debug << "\n";
 769             break;
 770         case EbtFloat:
 771         case EbtDouble:
 772 #ifdef AMD_EXTENSIONS
 773         case EbtFloat16:
 774 #endif
 775             {
 776                 const double value = constUnion[i].getDConst();
 777                 // Print infinities and NaNs in a portable way.
 778                 if (IsInfinity(value)) {
 779                     if (value < 0)
 780                         out.debug << "-1.#INF\n";
 781                     else
 782                         out.debug << "+1.#INF\n";
 783                 } else if (IsNan(value))
 784                     out.debug << "1.#IND\n";
 785                 else {
 786                     const int maxSize = 300;
 787                     char buf[maxSize];
 788                     snprintf(buf, maxSize, "%f", value);
 789
 790                     out.debug << buf << "\n";
 791                 }
 792             }
 793             break;
 794         case EbtInt:
 795             {
 796                 const int maxSize = 300;
 797                 char buf[maxSize];
 798                 snprintf(buf, maxSize, "%d (%s)", constUnion[i].getIConst(), "const int");
 799
 800                 out.debug << buf << "\n";
 801             }
 802             break;
 803         case EbtUint:
 804             {
 805                 const int maxSize = 300;
 806                 char buf[maxSize];
 807                 snprintf(buf, maxSize, "%u (%s)", constUnion[i].getUConst(), "const uint");
 808
 809                 out.debug << buf << "\n";
 810             }
 811             break;
 812         case EbtInt64:
 813             {
 814                 const int maxSize = 300;
 815                 char buf[maxSize];
 816                 snprintf(buf, maxSize, "%lld (%s)", constUnion[i].getI64Const(), "const int64_t");
 817
 818                 out.debug << buf << "\n";
 819             }
 820             break;
 821         case EbtUint64:
 822             {
 823                 const int maxSize = 300;
 824                 char buf[maxSize];
 825                 snprintf(buf, maxSize, "%llu (%s)", constUnion[i].getU64Const(), "const uint64_t");
 826
 827                 out.debug << buf << "\n";
 828             }
 829             break;
 830         default:
 831             out.info.message(EPrefixInternalError, "Unknown constant", node->getLoc());
 832             break;
 833         }
 834     }
 835 }
 836
 837 void TOutputTraverser::visitConstantUnion(TIntermConstantUnion* node)
 838 {
 839     OutputTreeText(infoSink, node, depth);
 840     infoSink.debug << "Constant:\n";
 841
 842     OutputConstantUnion(infoSink, node, node->getConstArray(), depth + 1);
 843 }
 844
 845 void TOutputTraverser::visitSymbol(TIntermSymbol* node)
 846 {
 847     OutputTreeText(infoSink, node, depth);
 848
 849     infoSink.debug << "'" << node->getName() << "' (" << node->getCompleteString() << ")\n";
 850
 851     if (! node->getConstArray().empty())
 852         OutputConstantUnion(infoSink, node, node->getConstArray(), depth + 1);
 853     else if (node->getConstSubtree()) {
 854         incrementDepth(node);
 855         node->getConstSubtree()->traverse(this);
 856         decrementDepth();
 857     }
 858 }
 859
 860 bool TOutputTraverser::visitLoop(TVisit /* visit */, TIntermLoop* node)
 861 {
 862     TInfoSink& out = infoSink;
 863
 864     OutputTreeText(out, node, depth);
 865
 866     out.debug << "Loop with condition ";
 867     if (! node->testFirst())
 868         out.debug << "not ";
 869     out.debug << "tested first\n";
 870
 871     ++depth;
 872
 873     OutputTreeText(infoSink, node, depth);
 874     if (node->getTest()) {
 875         out.debug << "Loop Condition\n";
 876         node->getTest()->traverse(this);
 877     } else
 878         out.debug << "No loop condition\n";
 879
 880     OutputTreeText(infoSink, node, depth);
 881     if (node->getBody()) {
 882         out.debug << "Loop Body\n";
 883         node->getBody()->traverse(this);
 884     } else
 885         out.debug << "No loop body\n";
 886
 887     if (node->getTerminal()) {
 888         OutputTreeText(infoSink, node, depth);
 889         out.debug << "Loop Terminal Expression\n";
 890         node->getTerminal()->traverse(this);
 891     }
 892
 893     --depth;
 894
 895     return false;
 896 }
 897
 898 bool TOutputTraverser::visitBranch(TVisit /* visit*/, TIntermBranch* node)
 899 {
 900     TInfoSink& out = infoSink;
 901
 902     OutputTreeText(out, node, depth);
 903
 904     switch (node->getFlowOp()) {
 905     case EOpKill:      out.debug << "Branch: Kill";           break;
 906     case EOpBreak:     out.debug << "Branch: Break";          break;
 907     case EOpContinue:  out.debug << "Branch: Continue";       break;
 908     case EOpReturn:    out.debug << "Branch: Return";         break;
 909     case EOpCase:      out.debug << "case: ";                 break;
 910     case EOpDefault:   out.debug << "default: ";              break;
 911     default:               out.debug << "Branch: Unknown Branch"; break;
 912     }
 913
 914     if (node->getExpression()) {
 915         out.debug << " with expression\n";
 916         ++depth;
 917         node->getExpression()->traverse(this);
 918         --depth;
 919     } else
 920         out.debug << "\n";
 921
 922     return false;
 923 }
 924
 925 bool TOutputTraverser::visitSwitch(TVisit /* visit */, TIntermSwitch* node)
 926 {
 927     TInfoSink& out = infoSink;
 928
 929     OutputTreeText(out, node, depth);
 930     out.debug << "switch\n";
 931
 932     OutputTreeText(out, node, depth);
 933     out.debug << "condition\n";
 934     ++depth;
 935     node->getCondition()->traverse(this);
 936
 937     --depth;
 938     OutputTreeText(out, node, depth);
 939     out.debug << "body\n";
 940     ++depth;
 941     node->getBody()->traverse(this);
 942
 943     --depth;
 944
 945     return false;
 946 }
 947
 948 //
 949 // This function is the one to call externally to start the traversal.
 950 // Individual functions can be initialized to 0 to skip processing of that
 951 // type of node.  It's children will still be processed.
 952 //
 953 void TIntermediate::output(TInfoSink& infoSink, bool tree)
 954 {
 955     infoSink.debug << "Shader version: " << version << "\n";
 956     if (requestedExtensions.size() > 0) {
 957         for (auto extIt = requestedExtensions.begin(); extIt != requestedExtensions.end(); ++extIt)
 958             infoSink.debug << "Requested " << *extIt << "\n";
 959     }
 960
 961     if (xfbMode)
 962         infoSink.debug << "in xfb mode\n";
 963
 964     switch (language) {
 965     case EShLangVertex:
 966         break;
 967
 968     case EShLangTessControl:
 969         infoSink.debug << "vertices = " << vertices << "\n";
 970
 971         if (inputPrimitive != ElgNone)
 972             infoSink.debug << "input primitive = " << TQualifier::getGeometryString(inputPrimitive) << "\n";
 973         if (vertexSpacing != EvsNone)
 974             infoSink.debug << "vertex spacing = " << TQualifier::getVertexSpacingString(vertexSpacing) << "\n";
 975         if (vertexOrder != EvoNone)
 976             infoSink.debug << "triangle order = " << TQualifier::getVertexOrderString(vertexOrder) << "\n";
 977         break;
 978
 979     case EShLangTessEvaluation:
 980         infoSink.debug << "input primitive = " << TQualifier::getGeometryString(inputPrimitive) << "\n";
 981         infoSink.debug << "vertex spacing = " << TQualifier::getVertexSpacingString(vertexSpacing) << "\n";
 982         infoSink.debug << "triangle order = " << TQualifier::getVertexOrderString(vertexOrder) << "\n";
 983         if (pointMode)
 984             infoSink.debug << "using point mode\n";
 985         break;
 986
 987     case EShLangGeometry:
 988         infoSink.debug << "invocations = " << invocations << "\n";
 989         infoSink.debug << "max_vertices = " << vertices << "\n";
 990         infoSink.debug << "input primitive = " << TQualifier::getGeometryString(inputPrimitive) << "\n";
 991         infoSink.debug << "output primitive = " << TQualifier::getGeometryString(outputPrimitive) << "\n";
 992         break;
 993
 994     case EShLangFragment:
 995         if (pixelCenterInteger)
 996             infoSink.debug << "gl_FragCoord pixel center is integer\n";
 997         if (originUpperLeft)
 998             infoSink.debug << "gl_FragCoord origin is upper left\n";
 999         if (earlyFragmentTests)
1000             infoSink.debug << "using early_fragment_tests\n";
1001         if (depthLayout != EldNone)
1002             infoSink.debug << "using " << TQualifier::getLayoutDepthString(depthLayout) << "\n";
1003         if (blendEquations != 0) {
1004             infoSink.debug << "using";
1005             // blendEquations is a mask, decode it
1006             for (TBlendEquationShift be = (TBlendEquationShift)0; be < EBlendCount; be = (TBlendEquationShift)(be + 1)) {
1007                 if (blendEquations & (1 << be))
1008                     infoSink.debug << " " << TQualifier::getBlendEquationString(be);
1009             }
1010             infoSink.debug << "\n";
1011         }
1012         break;
1013
1014     case EShLangCompute:
1015         infoSink.debug << "local_size = (" << localSize[0] << ", " << localSize[1] << ", " << localSize[2] << ")\n";
1016         {
1017             if (localSizeSpecId[0] != TQualifier::layoutNotSet ||
1018                 localSizeSpecId[1] != TQualifier::layoutNotSet ||
1019                 localSizeSpecId[2] != TQualifier::layoutNotSet) {
1020                 infoSink.debug << "local_size ids = (" <<
1021                     localSizeSpecId[0] << ", " <<
1022                     localSizeSpecId[1] << ", " <<
1023                     localSizeSpecId[2] << ")\n";
1024             }
1025         }
1026         break;
1027
1028     default:
1029         break;
1030     }
1031
1032     if (treeRoot == 0 || ! tree)
1033         return;
1034
1035     TOutputTraverser it(infoSink);
1036
1037     treeRoot->traverse(&it);
1038 }
1039
1040 } // end namespace glslang