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 is_positive_infinity(double x) {
  49 #ifdef _MSC_VER
  50   return _fpclass(x) == _FPCLASS_PINF;
  51 #else
  52   return std::isinf(x) && (x >= 0);
  53 #endif
  54 }
  55
  56 }
  57
  58 namespace glslang {
  59
  60 //
  61 // Two purposes:
  62 // 1.  Show an example of how to iterate tree.  Functions can
  63 //     also directly call Traverse() on children themselves to
  64 //     have finer grained control over the process than shown here.
  65 //     See the last function for how to get started.
  66 // 2.  Print out a text based description of the tree.
  67 //
  68
  69 //
  70 // Use this class to carry along data from node to node in
  71 // the traversal
  72 //
  73 class TOutputTraverser : public TIntermTraverser {
  74 public:
  75     TOutputTraverser(TInfoSink& i) : infoSink(i) { }
  76
  77     virtual bool visitBinary(TVisit, TIntermBinary* node);
  78     virtual bool visitUnary(TVisit, TIntermUnary* node);
  79     virtual bool visitAggregate(TVisit, TIntermAggregate* node);
  80     virtual bool visitSelection(TVisit, TIntermSelection* node);
  81     virtual void visitConstantUnion(TIntermConstantUnion* node);
  82     virtual void visitSymbol(TIntermSymbol* node);
  83     virtual bool visitLoop(TVisit, TIntermLoop* node);
  84     virtual bool visitBranch(TVisit, TIntermBranch* node);
  85     virtual bool visitSwitch(TVisit, TIntermSwitch* node);
  86
  87     TInfoSink& infoSink;
  88 protected:
  89     TOutputTraverser(TOutputTraverser&);
  90     TOutputTraverser& operator=(TOutputTraverser&);
  91 };
  92
  93 //
  94 // Helper functions for printing, not part of traversing.
  95 //
  96
  97 static void OutputTreeText(TInfoSink& infoSink, const TIntermNode* node, const int depth)
  98 {
  99     int i;
 100
 101     infoSink.debug << node->getLoc().string << ":";
 102     if (node->getLoc().line)
 103         infoSink.debug << node->getLoc().line;
 104     else
 105         infoSink.debug << "? ";
 106
 107     for (i = 0; i < depth; ++i)
 108         infoSink.debug << "  ";
 109 }
 110
 111 //
 112 // The rest of the file are the traversal functions.  The last one
 113 // is the one that starts the traversal.
 114 //
 115 // Return true from interior nodes to have the external traversal
 116 // continue on to children.  If you process children yourself,
 117 // return false.
 118 //
 119
 120 bool TOutputTraverser::visitBinary(TVisit /* visit */, TIntermBinary* node)
 121 {
 122     TInfoSink& out = infoSink;
 123
 124     OutputTreeText(out, node, depth);
 125
 126     switch (node->getOp()) {
 127     case EOpAssign:                   out.debug << "move second child to first child";           break;
 128     case EOpAddAssign:                out.debug << "add second child into first child";          break;
 129     case EOpSubAssign:                out.debug << "subtract second child into first child";     break;
 130     case EOpMulAssign:                out.debug << "multiply second child into first child";     break;
 131     case EOpVectorTimesMatrixAssign:  out.debug << "matrix mult second child into first child";  break;
 132     case EOpVectorTimesScalarAssign:  out.debug << "vector scale second child into first child"; break;
 133     case EOpMatrixTimesScalarAssign:  out.debug << "matrix scale second child into first child"; break;
 134     case EOpMatrixTimesMatrixAssign:  out.debug << "matrix mult second child into first child";  break;
 135     case EOpDivAssign:                out.debug << "divide second child into first child";       break;
 136     case EOpModAssign:                out.debug << "mod second child into first child";          break;
 137     case EOpAndAssign:                out.debug << "and second child into first child";          break;
 138     case EOpInclusiveOrAssign:        out.debug << "or second child into first child";           break;
 139     case EOpExclusiveOrAssign:        out.debug << "exclusive or second child into first child"; break;
 140     case EOpLeftShiftAssign:          out.debug << "left shift second child into first child";   break;
 141     case EOpRightShiftAssign:         out.debug << "right shift second child into first child";  break;
 142
 143     case EOpIndexDirect:   out.debug << "direct index";   break;
 144     case EOpIndexIndirect: out.debug << "indirect index"; break;
 145     case EOpIndexDirectStruct:
 146         out.debug << (*node->getLeft()->getType().getStruct())[node->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst()].type->getFieldName();
 147         out.debug << ": direct index for structure";      break;
 148     case EOpVectorSwizzle: out.debug << "vector swizzle"; break;
 149
 150     case EOpAdd:    out.debug << "add";                     break;
 151     case EOpSub:    out.debug << "subtract";                break;
 152     case EOpMul:    out.debug << "component-wise multiply"; break;
 153     case EOpDiv:    out.debug << "divide";                  break;
 154     case EOpMod:    out.debug << "mod";                     break;
 155     case EOpRightShift:  out.debug << "right-shift";  break;
 156     case EOpLeftShift:   out.debug << "left-shift";   break;
 157     case EOpAnd:         out.debug << "bitwise and";  break;
 158     case EOpInclusiveOr: out.debug << "inclusive-or"; break;
 159     case EOpExclusiveOr: out.debug << "exclusive-or"; break;
 160     case EOpEqual:            out.debug << "Compare Equal";                 break;
 161     case EOpNotEqual:         out.debug << "Compare Not Equal";             break;
 162     case EOpLessThan:         out.debug << "Compare Less Than";             break;
 163     case EOpGreaterThan:      out.debug << "Compare Greater Than";          break;
 164     case EOpLessThanEqual:    out.debug << "Compare Less Than or Equal";    break;
 165     case EOpGreaterThanEqual: out.debug << "Compare Greater Than or Equal"; break;
 166
 167     case EOpVectorTimesScalar: out.debug << "vector-scale";          break;
 168     case EOpVectorTimesMatrix: out.debug << "vector-times-matrix";   break;
 169     case EOpMatrixTimesVector: out.debug << "matrix-times-vector";   break;
 170     case EOpMatrixTimesScalar: out.debug << "matrix-scale";          break;
 171     case EOpMatrixTimesMatrix: out.debug << "matrix-multiply";       break;
 172
 173     case EOpLogicalOr:  out.debug << "logical-or";   break;
 174     case EOpLogicalXor: out.debug << "logical-xor"; break;
 175     case EOpLogicalAnd: out.debug << "logical-and"; break;
 176     default: out.debug << "<unknown op>";
 177     }
 178
 179     out.debug << " (" << node->getCompleteString() << ")";
 180
 181     out.debug << "\n";
 182
 183     return true;
 184 }
 185
 186 bool TOutputTraverser::visitUnary(TVisit /* visit */, TIntermUnary* node)
 187 {
 188     TInfoSink& out = infoSink;
 189
 190     OutputTreeText(out, node, depth);
 191
 192     switch (node->getOp()) {
 193     case EOpNegative:       out.debug << "Negate value";         break;
 194     case EOpVectorLogicalNot:
 195     case EOpLogicalNot:     out.debug << "Negate conditional";   break;
 196     case EOpBitwiseNot:     out.debug << "Bitwise not";          break;
 197
 198     case EOpPostIncrement:  out.debug << "Post-Increment";       break;
 199     case EOpPostDecrement:  out.debug << "Post-Decrement";       break;
 200     case EOpPreIncrement:   out.debug << "Pre-Increment";        break;
 201     case EOpPreDecrement:   out.debug << "Pre-Decrement";        break;
 202
 203     case EOpConvIntToBool:     out.debug << "Convert int to bool";     break;
 204     case EOpConvUintToBool:    out.debug << "Convert uint to bool";    break;
 205     case EOpConvFloatToBool:   out.debug << "Convert float to bool";   break;
 206     case EOpConvDoubleToBool:  out.debug << "Convert double to bool";  break;
 207     case EOpConvInt64ToBool:   out.debug << "Convert int64 to bool";   break;
 208     case EOpConvUint64ToBool:  out.debug << "Convert uint64 to bool";  break;
 209     case EOpConvIntToFloat:    out.debug << "Convert int to float";    break;
 210     case EOpConvUintToFloat:   out.debug << "Convert uint to float";   break;
 211     case EOpConvDoubleToFloat: out.debug << "Convert double to float"; break;
 212     case EOpConvInt64ToFloat:  out.debug << "Convert int64 to float";  break;
 213     case EOpConvUint64ToFloat: out.debug << "Convert uint64 to float"; break;
 214     case EOpConvBoolToFloat:   out.debug << "Convert bool to float";   break;
 215     case EOpConvUintToInt:     out.debug << "Convert uint to int";     break;
 216     case EOpConvFloatToInt:    out.debug << "Convert float to int";    break;
 217     case EOpConvDoubleToInt:   out.debug << "Convert double to int";   break;
 218     case EOpConvBoolToInt:     out.debug << "Convert bool to int";     break;
 219     case EOpConvInt64ToInt:    out.debug << "Convert int64 to int";    break;
 220     case EOpConvUint64ToInt:   out.debug << "Convert uint64 to int";   break;
 221     case EOpConvIntToUint:     out.debug << "Convert int to uint";     break;
 222     case EOpConvFloatToUint:   out.debug << "Convert float to uint";   break;
 223     case EOpConvDoubleToUint:  out.debug << "Convert double to uint";  break;
 224     case EOpConvBoolToUint:    out.debug << "Convert bool to uint";    break;
 225     case EOpConvInt64ToUint:   out.debug << "Convert int64 to uint";   break;
 226     case EOpConvUint64ToUint:  out.debug << "Convert uint64 to uint";  break;
 227     case EOpConvIntToDouble:   out.debug << "Convert int to double";   break;
 228     case EOpConvUintToDouble:  out.debug << "Convert uint to double";  break;
 229     case EOpConvFloatToDouble: out.debug << "Convert float to double"; break;
 230     case EOpConvBoolToDouble:  out.debug << "Convert bool to double";  break;
 231     case EOpConvInt64ToDouble: out.debug << "Convert int64 to double"; break;
 232     case EOpConvUint64ToDouble: out.debug << "Convert uint64 to double";  break;
 233     case EOpConvBoolToInt64:   out.debug << "Convert bool to int64";   break;
 234     case EOpConvIntToInt64:    out.debug << "Convert int to int64";    break;
 235     case EOpConvUintToInt64:   out.debug << "Convert uint to int64";   break;
 236     case EOpConvFloatToInt64:  out.debug << "Convert float to int64";  break;
 237     case EOpConvDoubleToInt64: out.debug << "Convert double to int64"; break;
 238     case EOpConvUint64ToInt64: out.debug << "Convert uint64 to int64"; break;
 239     case EOpConvBoolToUint64:  out.debug << "Convert bool to uint64";  break;
 240     case EOpConvIntToUint64:   out.debug << "Convert int to uint64";   break;
 241     case EOpConvUintToUint64:  out.debug << "Convert uint to uint64";  break;
 242     case EOpConvFloatToUint64: out.debug << "Convert float to uint64"; break;
 243     case EOpConvDoubleToUint64: out.debug << "Convert double to uint64"; break;
 244     case EOpConvInt64ToUint64: out.debug << "Convert uint64 to uint64"; break;
 245
 246     case EOpRadians:        out.debug << "radians";              break;
 247     case EOpDegrees:        out.debug << "degrees";              break;
 248     case EOpSin:            out.debug << "sine";                 break;
 249     case EOpCos:            out.debug << "cosine";               break;
 250     case EOpTan:            out.debug << "tangent";              break;
 251     case EOpAsin:           out.debug << "arc sine";             break;
 252     case EOpAcos:           out.debug << "arc cosine";           break;
 253     case EOpAtan:           out.debug << "arc tangent";          break;
 254     case EOpSinh:           out.debug << "hyp. sine";            break;
 255     case EOpCosh:           out.debug << "hyp. cosine";          break;
 256     case EOpTanh:           out.debug << "hyp. tangent";         break;
 257     case EOpAsinh:          out.debug << "arc hyp. sine";        break;
 258     case EOpAcosh:          out.debug << "arc hyp. cosine";      break;
 259     case EOpAtanh:          out.debug << "arc hyp. tangent";     break;
 260
 261     case EOpExp:            out.debug << "exp";                  break;
 262     case EOpLog:            out.debug << "log";                  break;
 263     case EOpExp2:           out.debug << "exp2";                 break;
 264     case EOpLog2:           out.debug << "log2";                 break;
 265     case EOpSqrt:           out.debug << "sqrt";                 break;
 266     case EOpInverseSqrt:    out.debug << "inverse sqrt";         break;
 267
 268     case EOpAbs:            out.debug << "Absolute value";       break;
 269     case EOpSign:           out.debug << "Sign";                 break;
 270     case EOpFloor:          out.debug << "Floor";                break;
 271     case EOpTrunc:          out.debug << "trunc";                break;
 272     case EOpRound:          out.debug << "round";                break;
 273     case EOpRoundEven:      out.debug << "roundEven";            break;
 274     case EOpCeil:           out.debug << "Ceiling";              break;
 275     case EOpFract:          out.debug << "Fraction";             break;
 276
 277     case EOpIsNan:          out.debug << "isnan";                break;
 278     case EOpIsInf:          out.debug << "isinf";                break;
 279
 280     case EOpFloatBitsToInt: out.debug << "floatBitsToInt";       break;
 281     case EOpFloatBitsToUint:out.debug << "floatBitsToUint";      break;
 282     case EOpIntBitsToFloat: out.debug << "intBitsToFloat";       break;
 283     case EOpUintBitsToFloat:out.debug << "uintBitsToFloat";      break;
 284     case EOpDoubleBitsToInt64:  out.debug << "doubleBitsToInt64";  break;
 285     case EOpDoubleBitsToUint64: out.debug << "doubleBitsToUint64"; break;
 286     case EOpInt64BitsToDouble:  out.debug << "int64BitsToDouble";  break;
 287     case EOpUint64BitsToDouble: out.debug << "uint64BitsToDouble"; break;
 288     case EOpPackSnorm2x16:  out.debug << "packSnorm2x16";        break;
 289     case EOpUnpackSnorm2x16:out.debug << "unpackSnorm2x16";      break;
 290     case EOpPackUnorm2x16:  out.debug << "packUnorm2x16";        break;
 291     case EOpUnpackUnorm2x16:out.debug << "unpackUnorm2x16";      break;
 292     case EOpPackHalf2x16:   out.debug << "packHalf2x16";         break;
 293     case EOpUnpackHalf2x16: out.debug << "unpackHalf2x16";       break;
 294
 295     case EOpPackSnorm4x8:     out.debug << "PackSnorm4x8";       break;
 296     case EOpUnpackSnorm4x8:   out.debug << "UnpackSnorm4x8";     break;
 297     case EOpPackUnorm4x8:     out.debug << "PackUnorm4x8";       break;
 298     case EOpUnpackUnorm4x8:   out.debug << "UnpackUnorm4x8";     break;
 299     case EOpPackDouble2x32:   out.debug << "PackDouble2x32";     break;
 300     case EOpUnpackDouble2x32: out.debug << "UnpackDouble2x32";   break;
 301
 302     case EOpPackInt2x32:      out.debug << "packInt2x32";        break;
 303     case EOpUnpackInt2x32:    out.debug << "unpackInt2x32";      break;
 304     case EOpPackUint2x32:     out.debug << "packUint2x32";       break;
 305     case EOpUnpackUint2x32:   out.debug << "unpackUint2x32";     break;
 306
 307     case EOpLength:         out.debug << "length";               break;
 308     case EOpNormalize:      out.debug << "normalize";            break;
 309     case EOpDPdx:           out.debug << "dPdx";                 break;
 310     case EOpDPdy:           out.debug << "dPdy";                 break;
 311     case EOpFwidth:         out.debug << "fwidth";               break;
 312     case EOpDPdxFine:       out.debug << "dPdxFine";             break;
 313     case EOpDPdyFine:       out.debug << "dPdyFine";             break;
 314     case EOpFwidthFine:     out.debug << "fwidthFine";           break;
 315     case EOpDPdxCoarse:     out.debug << "dPdxCoarse";           break;
 316     case EOpDPdyCoarse:     out.debug << "dPdyCoarse";           break;
 317     case EOpFwidthCoarse:   out.debug << "fwidthCoarse";         break;
 318
 319     case EOpInterpolateAtCentroid: out.debug << "interpolateAtCentroid";  break;
 320
 321     case EOpDeterminant:    out.debug << "determinant";          break;
 322     case EOpMatrixInverse:  out.debug << "inverse";              break;
 323     case EOpTranspose:      out.debug << "transpose";            break;
 324
 325     case EOpAny:            out.debug << "any";                  break;
 326     case EOpAll:            out.debug << "all";                  break;
 327
 328     case EOpArrayLength:    out.debug << "array length";         break;
 329
 330     case EOpEmitStreamVertex:   out.debug << "EmitStreamVertex";   break;
 331     case EOpEndStreamPrimitive: out.debug << "EndStreamPrimitive"; break;
 332
 333     case EOpAtomicCounterIncrement: out.debug << "AtomicCounterIncrement";break;
 334     case EOpAtomicCounterDecrement: out.debug << "AtomicCounterDecrement";break;
 335     case EOpAtomicCounter:          out.debug << "AtomicCounter";         break;
 336
 337     case EOpTextureQuerySize:       out.debug << "textureSize";           break;
 338     case EOpTextureQueryLod:        out.debug << "textureQueryLod";       break;
 339     case EOpTextureQueryLevels:     out.debug << "textureQueryLevels";    break;
 340     case EOpTextureQuerySamples:    out.debug << "textureSamples";        break;
 341     case EOpImageQuerySize:         out.debug << "imageQuerySize";        break;
 342     case EOpImageQuerySamples:      out.debug << "imageQuerySamples";     break;
 343     case EOpImageLoad:              out.debug << "imageLoad";             break;
 344
 345     case EOpBitFieldReverse:        out.debug << "bitFieldReverse";       break;
 346     case EOpBitCount:               out.debug << "bitCount";              break;
 347     case EOpFindLSB:                out.debug << "findLSB";               break;
 348     case EOpFindMSB:                out.debug << "findMSB";               break;
 349
 350     case EOpNoise:                  out.debug << "noise";                 break;
 351
 352     case EOpBallot:                 out.debug << "ballot";                break;
 353     case EOpReadFirstInvocation:    out.debug << "readFirstInvocation";   break;
 354
 355     case EOpAnyInvocation:          out.debug << "anyInvocation";         break;
 356     case EOpAllInvocations:         out.debug << "allInvocations";        break;
 357     case EOpAllInvocationsEqual:    out.debug << "allInvocationsEqual";   break;
 358
 359     case EOpClip:                   out.debug << "clip";                  break;
 360     case EOpIsFinite:               out.debug << "isfinite";              break;
 361     case EOpLog10:                  out.debug << "log10";                 break;
 362     case EOpRcp:                    out.debug << "rcp";                   break;
 363     case EOpSaturate:               out.debug << "saturate";              break;
 364
 365 #ifdef AMD_EXTENSIONS
 366     case EOpMinInvocations:             out.debug << "minInvocations";              break;
 367     case EOpMaxInvocations:             out.debug << "maxInvocations";              break;
 368     case EOpAddInvocations:             out.debug << "addInvocations";              break;
 369     case EOpMinInvocationsNonUniform:   out.debug << "minInvocationsNonUniform";    break;
 370     case EOpMaxInvocationsNonUniform:   out.debug << "maxInvocationsNonUniform";    break;
 371     case EOpAddInvocationsNonUniform:   out.debug << "addInvocationsNonUniform";    break;
 372     case EOpMbcnt:                      out.debug << "mbcnt";                       break;
 373
 374     case EOpCubeFaceIndex:          out.debug << "cubeFaceIndex";         break;
 375     case EOpCubeFaceCoord:          out.debug << "cubeFaceCoord";         break;
 376 #endif
 377
 378     default: out.debug.message(EPrefixError, "Bad unary op");
 379     }
 380
 381     out.debug << " (" << node->getCompleteString() << ")";
 382
 383     out.debug << "\n";
 384
 385     return true;
 386 }
 387
 388 bool TOutputTraverser::visitAggregate(TVisit /* visit */, TIntermAggregate* node)
 389 {
 390     TInfoSink& out = infoSink;
 391
 392     if (node->getOp() == EOpNull) {
 393         out.debug.message(EPrefixError, "node is still EOpNull!");
 394         return true;
 395     }
 396
 397     OutputTreeText(out, node, depth);
 398
 399     switch (node->getOp()) {
 400     case EOpSequence:      out.debug << "Sequence\n";       return true;
 401     case EOpLinkerObjects: out.debug << "Linker Objects\n"; return true;
 402     case EOpComma:         out.debug << "Comma";            break;
 403     case EOpFunction:      out.debug << "Function Definition: " << node->getName(); break;
 404     case EOpFunctionCall:  out.debug << "Function Call: "       << node->getName(); break;
 405     case EOpParameters:    out.debug << "Function Parameters: ";                    break;
 406
 407     case EOpConstructFloat: out.debug << "Construct float"; break;
 408     case EOpConstructDouble:out.debug << "Construct double"; break;
 409     case EOpConstructVec2:  out.debug << "Construct vec2";  break;
 410     case EOpConstructVec3:  out.debug << "Construct vec3";  break;
 411     case EOpConstructVec4:  out.debug << "Construct vec4";  break;
 412     case EOpConstructBool:  out.debug << "Construct bool";  break;
 413     case EOpConstructBVec2: out.debug << "Construct bvec2"; break;
 414     case EOpConstructBVec3: out.debug << "Construct bvec3"; break;
 415     case EOpConstructBVec4: out.debug << "Construct bvec4"; break;
 416     case EOpConstructInt:   out.debug << "Construct int";   break;
 417     case EOpConstructIVec2: out.debug << "Construct ivec2"; break;
 418     case EOpConstructIVec3: out.debug << "Construct ivec3"; break;
 419     case EOpConstructIVec4: out.debug << "Construct ivec4"; break;
 420     case EOpConstructUint:    out.debug << "Construct uint";    break;
 421     case EOpConstructUVec2:   out.debug << "Construct uvec2";   break;
 422     case EOpConstructUVec3:   out.debug << "Construct uvec3";   break;
 423     case EOpConstructUVec4:   out.debug << "Construct uvec4";   break;
 424     case EOpConstructInt64:   out.debug << "Construct int64_t"; break;
 425     case EOpConstructI64Vec2: out.debug << "Construct i64vec2"; break;
 426     case EOpConstructI64Vec3: out.debug << "Construct i64vec3"; break;
 427     case EOpConstructI64Vec4: out.debug << "Construct i64vec4"; break;
 428     case EOpConstructUint64:  out.debug << "Construct uint64_t"; break;
 429     case EOpConstructU64Vec2: out.debug << "Construct u64vec2"; break;
 430     case EOpConstructU64Vec3: out.debug << "Construct u64vec3"; break;
 431     case EOpConstructU64Vec4: out.debug << "Construct u64vec4"; break;
 432     case EOpConstructMat2x2:  out.debug << "Construct mat2";    break;
 433     case EOpConstructMat2x3:  out.debug << "Construct mat2x3";  break;
 434     case EOpConstructMat2x4:  out.debug << "Construct mat2x4";  break;
 435     case EOpConstructMat3x2:  out.debug << "Construct mat3x2";  break;
 436     case EOpConstructMat3x3:  out.debug << "Construct mat3";    break;
 437     case EOpConstructMat3x4:  out.debug << "Construct mat3x4";  break;
 438     case EOpConstructMat4x2:  out.debug << "Construct mat4x2";  break;
 439     case EOpConstructMat4x3:  out.debug << "Construct mat4x3";  break;
 440     case EOpConstructMat4x4:  out.debug << "Construct mat4";    break;
 441     case EOpConstructDMat2x2: out.debug << "Construct dmat2";   break;
 442     case EOpConstructDMat2x3: out.debug << "Construct dmat2x3"; break;
 443     case EOpConstructDMat2x4: out.debug << "Construct dmat2x4"; break;
 444     case EOpConstructDMat3x2: out.debug << "Construct dmat3x2"; break;
 445     case EOpConstructDMat3x3: out.debug << "Construct dmat3";   break;
 446     case EOpConstructDMat3x4: out.debug << "Construct dmat3x4"; break;
 447     case EOpConstructDMat4x2: out.debug << "Construct dmat4x2"; break;
 448     case EOpConstructDMat4x3: out.debug << "Construct dmat4x3"; break;
 449     case EOpConstructDMat4x4: out.debug << "Construct dmat4";   break;
 450     case EOpConstructStruct:  out.debug << "Construct structure";  break;
 451     case EOpConstructTextureSampler: out.debug << "Construct combined texture-sampler"; break;
 452
 453     case EOpLessThan:         out.debug << "Compare Less Than";             break;
 454     case EOpGreaterThan:      out.debug << "Compare Greater Than";          break;
 455     case EOpLessThanEqual:    out.debug << "Compare Less Than or Equal";    break;
 456     case EOpGreaterThanEqual: out.debug << "Compare Greater Than or Equal"; break;
 457     case EOpVectorEqual:      out.debug << "Equal";                         break;
 458     case EOpVectorNotEqual:   out.debug << "NotEqual";                      break;
 459
 460     case EOpMod:           out.debug << "mod";         break;
 461     case EOpModf:          out.debug << "modf";        break;
 462     case EOpPow:           out.debug << "pow";         break;
 463
 464     case EOpAtan:          out.debug << "arc tangent"; break;
 465
 466     case EOpMin:           out.debug << "min";         break;
 467     case EOpMax:           out.debug << "max";         break;
 468     case EOpClamp:         out.debug << "clamp";       break;
 469     case EOpMix:           out.debug << "mix";         break;
 470     case EOpStep:          out.debug << "step";        break;
 471     case EOpSmoothStep:    out.debug << "smoothstep";  break;
 472
 473     case EOpDistance:      out.debug << "distance";                break;
 474     case EOpDot:           out.debug << "dot-product";             break;
 475     case EOpCross:         out.debug << "cross-product";           break;
 476     case EOpFaceForward:   out.debug << "face-forward";            break;
 477     case EOpReflect:       out.debug << "reflect";                 break;
 478     case EOpRefract:       out.debug << "refract";                 break;
 479     case EOpMul:           out.debug << "component-wise multiply"; break;
 480     case EOpOuterProduct:  out.debug << "outer product";           break;
 481
 482     case EOpEmitVertex:    out.debug << "EmitVertex";              break;
 483     case EOpEndPrimitive:  out.debug << "EndPrimitive";            break;
 484
 485     case EOpBarrier:                    out.debug << "Barrier";                    break;
 486     case EOpMemoryBarrier:              out.debug << "MemoryBarrier";              break;
 487     case EOpMemoryBarrierAtomicCounter: out.debug << "MemoryBarrierAtomicCounter"; break;
 488     case EOpMemoryBarrierBuffer:        out.debug << "MemoryBarrierBuffer";        break;
 489     case EOpMemoryBarrierImage:         out.debug << "MemoryBarrierImage";         break;
 490     case EOpMemoryBarrierShared:        out.debug << "MemoryBarrierShared";        break;
 491     case EOpGroupMemoryBarrier:         out.debug << "GroupMemoryBarrier";         break;
 492
 493     case EOpReadInvocation:             out.debug << "readInvocation";        break;
 494
 495 #ifdef AMD_EXTENSIONS
 496     case EOpSwizzleInvocations:         out.debug << "swizzleInvocations";       break;
 497     case EOpSwizzleInvocationsMasked:   out.debug << "swizzleInvocationsMasked"; break;
 498     case EOpWriteInvocation:            out.debug << "writeInvocation";          break;
 499
 500     case EOpMin3:                       out.debug << "min3";                  break;
 501     case EOpMax3:                       out.debug << "max3";                  break;
 502     case EOpMid3:                       out.debug << "mid3";                  break;
 503
 504     case EOpTime:                       out.debug << "time";                  break;
 505 #endif
 506
 507     case EOpAtomicAdd:                  out.debug << "AtomicAdd";             break;
 508     case EOpAtomicMin:                  out.debug << "AtomicMin";             break;
 509     case EOpAtomicMax:                  out.debug << "AtomicMax";             break;
 510     case EOpAtomicAnd:                  out.debug << "AtomicAnd";             break;
 511     case EOpAtomicOr:                   out.debug << "AtomicOr";              break;
 512     case EOpAtomicXor:                  out.debug << "AtomicXor";             break;
 513     case EOpAtomicExchange:             out.debug << "AtomicExchange";        break;
 514     case EOpAtomicCompSwap:             out.debug << "AtomicCompSwap";        break;
 515
 516     case EOpImageQuerySize:             out.debug << "imageQuerySize";        break;
 517     case EOpImageQuerySamples:          out.debug << "imageQuerySamples";     break;
 518     case EOpImageLoad:                  out.debug << "imageLoad";             break;
 519     case EOpImageStore:                 out.debug << "imageStore";            break;
 520     case EOpImageAtomicAdd:             out.debug << "imageAtomicAdd";        break;
 521     case EOpImageAtomicMin:             out.debug << "imageAtomicMin";        break;
 522     case EOpImageAtomicMax:             out.debug << "imageAtomicMax";        break;
 523     case EOpImageAtomicAnd:             out.debug << "imageAtomicAnd";        break;
 524     case EOpImageAtomicOr:              out.debug << "imageAtomicOr";         break;
 525     case EOpImageAtomicXor:             out.debug << "imageAtomicXor";        break;
 526     case EOpImageAtomicExchange:        out.debug << "imageAtomicExchange";   break;
 527     case EOpImageAtomicCompSwap:        out.debug << "imageAtomicCompSwap";   break;
 528
 529     case EOpTextureQuerySize:           out.debug << "textureSize";           break;
 530     case EOpTextureQueryLod:            out.debug << "textureQueryLod";       break;
 531     case EOpTextureQueryLevels:         out.debug << "textureQueryLevels";    break;
 532     case EOpTextureQuerySamples:        out.debug << "textureSamples";        break;
 533     case EOpTexture:                    out.debug << "texture";               break;
 534     case EOpTextureProj:                out.debug << "textureProj";           break;
 535     case EOpTextureLod:                 out.debug << "textureLod";            break;
 536     case EOpTextureOffset:              out.debug << "textureOffset";         break;
 537     case EOpTextureFetch:               out.debug << "textureFetch";          break;
 538     case EOpTextureFetchOffset:         out.debug << "textureFetchOffset";    break;
 539     case EOpTextureProjOffset:          out.debug << "textureProjOffset";     break;
 540     case EOpTextureLodOffset:           out.debug << "textureLodOffset";      break;
 541     case EOpTextureProjLod:             out.debug << "textureProjLod";        break;
 542     case EOpTextureProjLodOffset:       out.debug << "textureProjLodOffset";  break;
 543     case EOpTextureGrad:                out.debug << "textureGrad";           break;
 544     case EOpTextureGradOffset:          out.debug << "textureGradOffset";     break;
 545     case EOpTextureProjGrad:            out.debug << "textureProjGrad";       break;
 546     case EOpTextureProjGradOffset:      out.debug << "textureProjGradOffset"; break;
 547     case EOpTextureGather:              out.debug << "textureGather";         break;
 548     case EOpTextureGatherOffset:        out.debug << "textureGatherOffset";   break;
 549     case EOpTextureGatherOffsets:       out.debug << "textureGatherOffsets";  break;
 550
 551     case EOpAddCarry:                   out.debug << "addCarry";              break;
 552     case EOpSubBorrow:                  out.debug << "subBorrow";             break;
 553     case EOpUMulExtended:               out.debug << "uMulExtended";          break;
 554     case EOpIMulExtended:               out.debug << "iMulExtended";          break;
 555     case EOpBitfieldExtract:            out.debug << "bitfieldExtract";       break;
 556     case EOpBitfieldInsert:             out.debug << "bitfieldInsert";        break;
 557
 558     case EOpFma:                        out.debug << "fma";                   break;
 559     case EOpFrexp:                      out.debug << "frexp";                 break;
 560     case EOpLdexp:                      out.debug << "ldexp";                 break;
 561
 562     case EOpInterpolateAtSample:   out.debug << "interpolateAtSample";    break;
 563     case EOpInterpolateAtOffset:   out.debug << "interpolateAtOffset";    break;
 564 #ifdef AMD_EXTENSIONS
 565     case EOpInterpolateAtVertex:   out.debug << "interpolateAtVertex";    break;
 566 #endif
 567
 568     case EOpSinCos:                     out.debug << "sincos";                break;
 569     case EOpGenMul:                     out.debug << "mul";                   break;
 570
 571     case EOpAllMemoryBarrierWithGroupSync:    out.debug << "AllMemoryBarrierWithGroupSync";    break;
 572     case EOpGroupMemoryBarrierWithGroupSync: out.debug << "GroupMemoryBarrierWithGroupSync"; break;
 573     case EOpWorkgroupMemoryBarrier:           out.debug << "WorkgroupMemoryBarrier";           break;
 574     case EOpWorkgroupMemoryBarrierWithGroupSync: out.debug << "WorkgroupMemoryBarrierWithGroupSync"; break;
 575
 576     default: out.debug.message(EPrefixError, "Bad aggregation op");
 577     }
 578
 579     if (node->getOp() != EOpSequence && node->getOp() != EOpParameters)
 580         out.debug << " (" << node->getCompleteString() << ")";
 581
 582     out.debug << "\n";
 583
 584     return true;
 585 }
 586
 587 bool TOutputTraverser::visitSelection(TVisit /* visit */, TIntermSelection* node)
 588 {
 589     TInfoSink& out = infoSink;
 590
 591     OutputTreeText(out, node, depth);
 592
 593     out.debug << "Test condition and select";
 594     out.debug << " (" << node->getCompleteString() << ")\n";
 595
 596     ++depth;
 597
 598     OutputTreeText(out, node, depth);
 599     out.debug << "Condition\n";
 600     node->getCondition()->traverse(this);
 601
 602     OutputTreeText(out, node, depth);
 603     if (node->getTrueBlock()) {
 604         out.debug << "true case\n";
 605         node->getTrueBlock()->traverse(this);
 606     } else
 607         out.debug << "true case is null\n";
 608
 609     if (node->getFalseBlock()) {
 610         OutputTreeText(out, node, depth);
 611         out.debug << "false case\n";
 612         node->getFalseBlock()->traverse(this);
 613     }
 614
 615     --depth;
 616
 617     return false;
 618 }
 619
 620 static void OutputConstantUnion(TInfoSink& out, const TIntermTyped* node, const TConstUnionArray& constUnion, int depth)
 621 {
 622     int size = node->getType().computeNumComponents();
 623
 624     for (int i = 0; i < size; i++) {
 625         OutputTreeText(out, node, depth);
 626         switch (constUnion[i].getType()) {
 627         case EbtBool:
 628             if (constUnion[i].getBConst())
 629                 out.debug << "true";
 630             else
 631                 out.debug << "false";
 632
 633             out.debug << " (" << "const bool" << ")";
 634
 635             out.debug << "\n";
 636             break;
 637         case EbtFloat:
 638         case EbtDouble:
 639             {
 640                 const double value = constUnion[i].getDConst();
 641                 // Print infinity in a portable way, for test stability.
 642                 // Other cases may be needed in the future: negative infinity,
 643                 // and NaNs.
 644                 if (is_positive_infinity(value))
 645                     out.debug << "inf\n";
 646                 else {
 647                     const int maxSize = 300;
 648                     char buf[maxSize];
 649                     snprintf(buf, maxSize, "%f", value);
 650
 651                     out.debug << buf << "\n";
 652                 }
 653             }
 654             break;
 655         case EbtInt:
 656             {
 657                 const int maxSize = 300;
 658                 char buf[maxSize];
 659                 snprintf(buf, maxSize, "%d (%s)", constUnion[i].getIConst(), "const int");
 660
 661                 out.debug << buf << "\n";
 662             }
 663             break;
 664         case EbtUint:
 665             {
 666                 const int maxSize = 300;
 667                 char buf[maxSize];
 668                 snprintf(buf, maxSize, "%u (%s)", constUnion[i].getUConst(), "const uint");
 669
 670                 out.debug << buf << "\n";
 671             }
 672             break;
 673         case EbtInt64:
 674             {
 675                 const int maxSize = 300;
 676                 char buf[maxSize];
 677                 snprintf(buf, maxSize, "%lld (%s)", constUnion[i].getI64Const(), "const int64_t");
 678
 679                 out.debug << buf << "\n";
 680             }
 681             break;
 682         case EbtUint64:
 683             {
 684                 const int maxSize = 300;
 685                 char buf[maxSize];
 686                 snprintf(buf, maxSize, "%llu (%s)", constUnion[i].getU64Const(), "const uint64_t");
 687
 688                 out.debug << buf << "\n";
 689             }
 690             break;
 691         default:
 692             out.info.message(EPrefixInternalError, "Unknown constant", node->getLoc());
 693             break;
 694         }
 695     }
 696 }
 697
 698 void TOutputTraverser::visitConstantUnion(TIntermConstantUnion* node)
 699 {
 700     OutputTreeText(infoSink, node, depth);
 701     infoSink.debug << "Constant:\n";
 702
 703     OutputConstantUnion(infoSink, node, node->getConstArray(), depth + 1);
 704 }
 705
 706 void TOutputTraverser::visitSymbol(TIntermSymbol* node)
 707 {
 708     OutputTreeText(infoSink, node, depth);
 709
 710     infoSink.debug << "'" << node->getName() << "' (" << node->getCompleteString() << ")\n";
 711
 712     if (! node->getConstArray().empty())
 713         OutputConstantUnion(infoSink, node, node->getConstArray(), depth + 1);
 714     else if (node->getConstSubtree()) {
 715         incrementDepth(node);
 716         node->getConstSubtree()->traverse(this);
 717         decrementDepth();
 718     }
 719 }
 720
 721 bool TOutputTraverser::visitLoop(TVisit /* visit */, TIntermLoop* node)
 722 {
 723     TInfoSink& out = infoSink;
 724
 725     OutputTreeText(out, node, depth);
 726
 727     out.debug << "Loop with condition ";
 728     if (! node->testFirst())
 729         out.debug << "not ";
 730     out.debug << "tested first\n";
 731
 732     ++depth;
 733
 734     OutputTreeText(infoSink, node, depth);
 735     if (node->getTest()) {
 736         out.debug << "Loop Condition\n";
 737         node->getTest()->traverse(this);
 738     } else
 739         out.debug << "No loop condition\n";
 740
 741     OutputTreeText(infoSink, node, depth);
 742     if (node->getBody()) {
 743         out.debug << "Loop Body\n";
 744         node->getBody()->traverse(this);
 745     } else
 746         out.debug << "No loop body\n";
 747
 748     if (node->getTerminal()) {
 749         OutputTreeText(infoSink, node, depth);
 750         out.debug << "Loop Terminal Expression\n";
 751         node->getTerminal()->traverse(this);
 752     }
 753
 754     --depth;
 755
 756     return false;
 757 }
 758
 759 bool TOutputTraverser::visitBranch(TVisit /* visit*/, TIntermBranch* node)
 760 {
 761     TInfoSink& out = infoSink;
 762
 763     OutputTreeText(out, node, depth);
 764
 765     switch (node->getFlowOp()) {
 766     case EOpKill:      out.debug << "Branch: Kill";           break;
 767     case EOpBreak:     out.debug << "Branch: Break";          break;
 768     case EOpContinue:  out.debug << "Branch: Continue";       break;
 769     case EOpReturn:    out.debug << "Branch: Return";         break;
 770     case EOpCase:      out.debug << "case: ";                 break;
 771     case EOpDefault:   out.debug << "default: ";              break;
 772     default:               out.debug << "Branch: Unknown Branch"; break;
 773     }
 774
 775     if (node->getExpression()) {
 776         out.debug << " with expression\n";
 777         ++depth;
 778         node->getExpression()->traverse(this);
 779         --depth;
 780     } else
 781         out.debug << "\n";
 782
 783     return false;
 784 }
 785
 786 bool TOutputTraverser::visitSwitch(TVisit /* visit */, TIntermSwitch* node)
 787 {
 788     TInfoSink& out = infoSink;
 789
 790     OutputTreeText(out, node, depth);
 791     out.debug << "switch\n";
 792
 793     OutputTreeText(out, node, depth);
 794     out.debug << "condition\n";
 795     ++depth;
 796     node->getCondition()->traverse(this);
 797
 798     --depth;
 799     OutputTreeText(out, node, depth);
 800     out.debug << "body\n";
 801     ++depth;
 802     node->getBody()->traverse(this);
 803
 804     --depth;
 805
 806     return false;
 807 }
 808
 809 //
 810 // This function is the one to call externally to start the traversal.
 811 // Individual functions can be initialized to 0 to skip processing of that
 812 // type of node.  It's children will still be processed.
 813 //
 814 void TIntermediate::output(TInfoSink& infoSink, bool tree)
 815 {
 816     infoSink.debug << "Shader version: " << version << "\n";
 817     if (requestedExtensions.size() > 0) {
 818         for (auto extIt = requestedExtensions.begin(); extIt != requestedExtensions.end(); ++extIt)
 819             infoSink.debug << "Requested " << *extIt << "\n";
 820     }
 821
 822     if (xfbMode)
 823         infoSink.debug << "in xfb mode\n";
 824
 825     switch (language) {
 826     case EShLangVertex:
 827         break;
 828
 829     case EShLangTessControl:
 830         infoSink.debug << "vertices = " << vertices << "\n";
 831         break;
 832
 833     case EShLangTessEvaluation:
 834         infoSink.debug << "input primitive = " << TQualifier::getGeometryString(inputPrimitive) << "\n";
 835         infoSink.debug << "vertex spacing = " << TQualifier::getVertexSpacingString(vertexSpacing) << "\n";
 836         infoSink.debug << "triangle order = " << TQualifier::getVertexOrderString(vertexOrder) << "\n";
 837         if (pointMode)
 838             infoSink.debug << "using point mode\n";
 839         break;
 840
 841     case EShLangGeometry:
 842         infoSink.debug << "invocations = " << invocations << "\n";
 843         infoSink.debug << "max_vertices = " << vertices << "\n";
 844         infoSink.debug << "input primitive = " << TQualifier::getGeometryString(inputPrimitive) << "\n";
 845         infoSink.debug << "output primitive = " << TQualifier::getGeometryString(outputPrimitive) << "\n";
 846         break;
 847
 848     case EShLangFragment:
 849         if (pixelCenterInteger)
 850             infoSink.debug << "gl_FragCoord pixel center is integer\n";
 851         if (originUpperLeft)
 852             infoSink.debug << "gl_FragCoord origin is upper left\n";
 853         if (earlyFragmentTests)
 854             infoSink.debug << "using early_fragment_tests\n";
 855         if (depthLayout != EldNone)
 856             infoSink.debug << "using " << TQualifier::getLayoutDepthString(depthLayout) << "\n";
 857         if (blendEquations != 0) {
 858             infoSink.debug << "using";
 859             // blendEquations is a mask, decode it
 860             for (TBlendEquationShift be = (TBlendEquationShift)0; be < EBlendCount; be = (TBlendEquationShift)(be + 1)) {
 861                 if (blendEquations & (1 << be))
 862                     infoSink.debug << " " << TQualifier::getBlendEquationString(be);
 863             }
 864             infoSink.debug << "\n";
 865         }
 866         break;
 867
 868     case EShLangCompute:
 869         infoSink.debug << "local_size = (" << localSize[0] << ", " << localSize[1] << ", " << localSize[2] << ")\n";
 870         {
 871             if (localSizeSpecId[0] != TQualifier::layoutNotSet ||
 872                 localSizeSpecId[1] != TQualifier::layoutNotSet ||
 873                 localSizeSpecId[2] != TQualifier::layoutNotSet) {
 874                 infoSink.debug << "local_size ids = (" <<
 875                     localSizeSpecId[0] << ", " <<
 876                     localSizeSpecId[1] << ", " <<
 877                     localSizeSpecId[2] << ")\n";
 878             }
 879         }
 880         break;
 881
 882     default:
 883         break;
 884     }
 885
 886     if (treeRoot == 0 || ! tree)
 887         return;
 888
 889     TOutputTraverser it(infoSink);
 890
 891     treeRoot->traverse(&it);
 892 }
 893
 894 } // end namespace glslang