Move hlsl/ source to glslang/HLSL/

Now that the HLSL source files are part of the `glslang` target (#2271), it makes sense for these to sit in the `glslang` directory.

Changed the case of the directory from `hlsl` to `HLSL` to better match the sibling directories.
diff --git a/Android.mk b/Android.mk
index fda81a7..524afe8 100644
--- a/Android.mk
+++ b/Android.mk
@@ -27,15 +27,15 @@
 LOCAL_MODULE:=HLSL
 LOCAL_CXXFLAGS:=-std=c++11 -fno-exceptions -fno-rtti $(GLSLANG_DEFINES)
 LOCAL_SRC_FILES:= \
-		hlsl/hlslAttributes.cpp \
-		hlsl/hlslGrammar.cpp \
-		hlsl/hlslOpMap.cpp \
-		hlsl/hlslParseables.cpp \
-		hlsl/hlslParseHelper.cpp \
-		hlsl/hlslScanContext.cpp \
-		hlsl/hlslTokenStream.cpp
+		glslang/HLSL/hlslAttributes.cpp \
+		glslang/HLSL/hlslGrammar.cpp \
+		glslang/HLSL/hlslOpMap.cpp \
+		glslang/HLSL/hlslParseables.cpp \
+		glslang/HLSL/hlslParseHelper.cpp \
+		glslang/HLSL/hlslScanContext.cpp \
+		glslang/HLSL/hlslTokenStream.cpp
 LOCAL_C_INCLUDES:=$(LOCAL_PATH) \
-	$(LOCAL_PATH)/hlsl
+	$(LOCAL_PATH)/glslang/HLSL
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
diff --git a/BUILD.bazel b/BUILD.bazel
index 5930608..442a94c 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -34,15 +34,15 @@
     srcs = glob(
         [
             "glslang/GenericCodeGen/*.cpp",
+            "glslang/HLSL/*.cpp",
             "glslang/MachineIndependent/*.cpp",
             "glslang/MachineIndependent/preprocessor/*.cpp",
-            "hlsl/*.cpp",
         ],
         exclude = [
+            "glslang/HLSL/pch.cpp",
+            "glslang/HLSL/pch.h",
             "glslang/MachineIndependent/pch.cpp",
             "glslang/MachineIndependent/pch.h",
-            "hlsl/pch.cpp",
-            "hlsl/pch.h",
         ],
     ) + [
         "OGLCompilersDLL/InitializeDll.cpp",
@@ -53,10 +53,10 @@
             ["glslang/OSDependent/Unix/ossource.cpp"],
     }),
     hdrs = glob([
+        "glslang/HLSL/*.h",
         "glslang/Include/*.h",
         "glslang/MachineIndependent/*.h",
         "glslang/MachineIndependent/preprocessor/*.h",
-        "hlsl/*.h",
     ]) + [
         "OGLCompilersDLL/InitializeDll.h",
         "StandAlone/DirStackFileIncluder.h",
diff --git a/BUILD.gn b/BUILD.gn
index 49b4b0a..cb44707 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -88,6 +88,21 @@
     "SPIRV/spvIR.h",
     "glslang/GenericCodeGen/CodeGen.cpp",
     "glslang/GenericCodeGen/Link.cpp",
+    "glslang/HLSL/hlslAttributes.cpp",
+    "glslang/HLSL/hlslAttributes.h",
+    "glslang/HLSL/hlslGrammar.cpp",
+    "glslang/HLSL/hlslGrammar.h",
+    "glslang/HLSL/hlslOpMap.cpp",
+    "glslang/HLSL/hlslOpMap.h",
+    "glslang/HLSL/hlslParseables.cpp",
+    "glslang/HLSL/hlslParseables.h",
+    "glslang/HLSL/hlslParseHelper.cpp",
+    "glslang/HLSL/hlslParseHelper.h",
+    "glslang/HLSL/hlslScanContext.cpp",
+    "glslang/HLSL/hlslScanContext.h",
+    "glslang/HLSL/hlslTokens.h",
+    "glslang/HLSL/hlslTokenStream.cpp",
+    "glslang/HLSL/hlslTokenStream.h",
     "glslang/Include/BaseTypes.h",
     "glslang/Include/Common.h",
     "glslang/Include/ConstantUnion.h",
@@ -147,21 +162,6 @@
     "glslang/MachineIndependent/reflection.h",
     "glslang/OSDependent/osinclude.h",
     "glslang/Public/ShaderLang.h",
-    "hlsl/hlslAttributes.cpp",
-    "hlsl/hlslAttributes.h",
-    "hlsl/hlslGrammar.cpp",
-    "hlsl/hlslGrammar.h",
-    "hlsl/hlslOpMap.cpp",
-    "hlsl/hlslOpMap.h",
-    "hlsl/hlslParseHelper.cpp",
-    "hlsl/hlslParseHelper.h",
-    "hlsl/hlslParseables.cpp",
-    "hlsl/hlslParseables.h",
-    "hlsl/hlslScanContext.cpp",
-    "hlsl/hlslScanContext.h",
-    "hlsl/hlslTokenStream.cpp",
-    "hlsl/hlslTokenStream.h",
-    "hlsl/hlslTokens.h",
   ]
 
   defines = [ "ENABLE_OPT=1" ]
diff --git a/glslang/CMakeLists.txt b/glslang/CMakeLists.txt
index 606bbdc..c59c974 100644
--- a/glslang/CMakeLists.txt
+++ b/glslang/CMakeLists.txt
@@ -84,23 +84,23 @@
 
 if(ENABLE_HLSL)
     list(APPEND SOURCES
-        ../hlsl/hlslAttributes.cpp
-        ../hlsl/hlslParseHelper.cpp
-        ../hlsl/hlslScanContext.cpp
-        ../hlsl/hlslOpMap.cpp
-        ../hlsl/hlslTokenStream.cpp
-        ../hlsl/hlslGrammar.cpp
-        ../hlsl/hlslParseables.cpp)
+        HLSL/hlslAttributes.cpp
+        HLSL/hlslParseHelper.cpp
+        HLSL/hlslScanContext.cpp
+        HLSL/hlslOpMap.cpp
+        HLSL/hlslTokenStream.cpp
+        HLSL/hlslGrammar.cpp
+        HLSL/hlslParseables.cpp)
 
     list(APPEND HEADERS
-        ../hlsl/hlslAttributes.h
-        ../hlsl/hlslParseHelper.h
-        ../hlsl/hlslTokens.h
-        ../hlsl/hlslScanContext.h
-        ../hlsl/hlslOpMap.h
-        ../hlsl/hlslTokenStream.h
-        ../hlsl/hlslGrammar.h
-        ../hlsl/hlslParseables.h)
+        HLSL/hlslAttributes.h
+        HLSL/hlslParseHelper.h
+        HLSL/hlslTokens.h
+        HLSL/hlslScanContext.h
+        HLSL/hlslOpMap.h
+        HLSL/hlslTokenStream.h
+        HLSL/hlslGrammar.h
+        HLSL/hlslParseables.h)
 endif(ENABLE_HLSL)
 
 add_library(glslang ${LIB_TYPE} ${BISON_GLSLParser_OUTPUT_SOURCE} ${SOURCES} ${HEADERS})
diff --git a/hlsl/hlslAttributes.cpp b/glslang/HLSL/hlslAttributes.cpp
similarity index 100%
rename from hlsl/hlslAttributes.cpp
rename to glslang/HLSL/hlslAttributes.cpp
diff --git a/hlsl/hlslAttributes.h b/glslang/HLSL/hlslAttributes.h
similarity index 94%
rename from hlsl/hlslAttributes.h
rename to glslang/HLSL/hlslAttributes.h
index b1cc037..62faa5b 100644
--- a/hlsl/hlslAttributes.h
+++ b/glslang/HLSL/hlslAttributes.h
@@ -39,8 +39,8 @@
 #include <unordered_map>
 #include <functional>
 
-#include "../glslang/MachineIndependent/attribute.h"
-#include "../glslang/MachineIndependent/SymbolTable.h"
+#include "../MachineIndependent/attribute.h"
+#include "../MachineIndependent/SymbolTable.h"
 #include "hlslScanContext.h"
 
 namespace glslang {
diff --git a/hlsl/hlslGrammar.cpp b/glslang/HLSL/hlslGrammar.cpp
similarity index 100%
rename from hlsl/hlslGrammar.cpp
rename to glslang/HLSL/hlslGrammar.cpp
diff --git a/hlsl/hlslGrammar.h b/glslang/HLSL/hlslGrammar.h
similarity index 100%
rename from hlsl/hlslGrammar.h
rename to glslang/HLSL/hlslGrammar.h
diff --git a/hlsl/hlslOpMap.cpp b/glslang/HLSL/hlslOpMap.cpp
similarity index 100%
rename from hlsl/hlslOpMap.cpp
rename to glslang/HLSL/hlslOpMap.cpp
diff --git a/hlsl/hlslOpMap.h b/glslang/HLSL/hlslOpMap.h
similarity index 100%
rename from hlsl/hlslOpMap.h
rename to glslang/HLSL/hlslOpMap.h
diff --git a/hlsl/hlslParseHelper.cpp b/glslang/HLSL/hlslParseHelper.cpp
similarity index 99%
rename from hlsl/hlslParseHelper.cpp
rename to glslang/HLSL/hlslParseHelper.cpp
index 18ee4c4..dff3264 100755
--- a/hlsl/hlslParseHelper.cpp
+++ b/glslang/HLSL/hlslParseHelper.cpp
@@ -39,11 +39,11 @@
 #include "hlslGrammar.h"
 #include "hlslAttributes.h"
 
-#include "../glslang/Include/Common.h"
-#include "../glslang/MachineIndependent/Scan.h"
-#include "../glslang/MachineIndependent/preprocessor/PpContext.h"
+#include "../Include/Common.h"
+#include "../MachineIndependent/Scan.h"
+#include "../MachineIndependent/preprocessor/PpContext.h"
 
-#include "../glslang/OSDependent/osinclude.h"
+#include "../OSDependent/osinclude.h"
 
 #include <algorithm>
 #include <functional>
@@ -814,7 +814,7 @@
                   base->getAsSymbolNode()->getName().c_str(), "");
         else
             error(loc, " left of '[' is not of type array, matrix, or vector ", "expression", "");
-    } else if (base->getType().getQualifier().isFrontEndConstant() && 
+    } else if (base->getType().getQualifier().isFrontEndConstant() &&
                index->getQualifier().isFrontEndConstant()) {
         // both base and index are front-end constants
         checkIndex(loc, base->getType(), indexValue);
@@ -1848,7 +1848,7 @@
                 error(loc, "invalid partitioning", "", "");
             } else {
                 TVertexSpacing partitioning = EvsNone;
-                
+
                 if (partitionStr == "integer") {
                     partitioning = EvsEqual;
                 } else if (partitionStr == "fractional_even") {
@@ -2484,7 +2484,7 @@
         TIntermTyped* rhsElement = intermediate.addIndex(EOpIndexDirect, tempSymR, index, loc);
 
         const TType derefType(right->getType(), 0);
-    
+
         lhsElement->setType(derefType);
         rhsElement->setType(derefType);
 
@@ -2504,7 +2504,7 @@
 
     return assignList;
 }
-    
+
 // Clip and cull distance require special handling due to a semantic mismatch.  In HLSL,
 // these can be float scalar, float vector, or arrays of float scalar or float vector.
 // In SPIR-V, they are arrays of scalar floats in all cases.  We must copy individual components
@@ -2573,7 +2573,7 @@
         vecItems += (*semanticNSize)[x];
         arrayLoc += (*semanticNSize)[x];
     }
- 
+
 
     // It can have up to 2 array dimensions (in the case of geometry shader inputs)
     const TArraySizes* const internalArraySizes = internalNode->getType().getArraySizes();
@@ -2594,7 +2594,7 @@
         // into a float array, or vice versa.  Here, we make the array the right size and type,
         // which depends on the incoming data, which has several potential dimensions:
         //    * Semantic ID
-        //    * vector size 
+        //    * vector size
         //    * array size
         // Of those, semantic ID and array size cannot appear simultaneously.
         //
@@ -2655,7 +2655,7 @@
     // Holds individual component assignments as we make them.
     TIntermTyped* clipCullAssign = nullptr;
 
-    // If the types are homomorphic, use a simple assign.  No need to mess about with 
+    // If the types are homomorphic, use a simple assign.  No need to mess about with
     // individual components.
     if (clipCullSym->getType().isArray() == internalNode->getType().isArray() &&
         clipCullInnerArraySize == internalInnerArraySize &&
@@ -2766,7 +2766,7 @@
         if (binaryNode == nullptr)
             return false;
 
-        return (binaryNode->getOp() == EOpIndexDirect || binaryNode->getOp() == EOpIndexIndirect) && 
+        return (binaryNode->getOp() == EOpIndexDirect || binaryNode->getOp() == EOpIndexIndirect) &&
                wasSplit(binaryNode->getLeft());
     };
 
@@ -2798,7 +2798,7 @@
     const bool isFlattenLeft  = wasFlattened(leftSymbol);
     const bool isFlattenRight = wasFlattened(rightSymbol);
 
-    // OK to do a single assign if neither side is split or flattened.  Otherwise, 
+    // OK to do a single assign if neither side is split or flattened.  Otherwise,
     // fall through to a member-wise copy.
     if (!isFlattenLeft && !isFlattenRight && !isSplitLeft && !isSplitRight) {
         // Clip and cull distance requires more processing.  See comment above assignClipCullDistance.
@@ -3430,9 +3430,9 @@
 
             // Byte address buffers index in bytes (only multiples of 4 permitted... not so much a byte address
             // buffer then, but that's what it calls itself.
-            const bool isByteAddressBuffer = (builtInType == EbvByteAddressBuffer   || 
+            const bool isByteAddressBuffer = (builtInType == EbvByteAddressBuffer   ||
                                               builtInType == EbvRWByteAddressBuffer);
-                
+
 
             if (isByteAddressBuffer)
                 argIndex = intermediate.addBinaryNode(EOpRightShift, argIndex,
@@ -3447,7 +3447,7 @@
             const TType derefType(argArray->getType(), 0);
             node->setType(derefType);
         }
-        
+
         break;
 
     case EOpMethodLoad2:
@@ -3573,8 +3573,8 @@
                     const TType indexType(argValue->getType(), 0);
                     rValue->setType(indexType);
                 }
-                    
-                TIntermTyped* assign = intermediate.addAssign(EOpAssign, lValue, rValue, loc); 
+
+                TIntermTyped* assign = intermediate.addAssign(EOpAssign, lValue, rValue, loc);
 
                 body = intermediate.growAggregate(body, assign);
             }
@@ -3751,7 +3751,7 @@
     }
 
     TConstUnionArray* values = new TConstUnionArray(numSamples*2);
-    
+
     for (int pos=0; pos<count; ++pos) {
         TConstUnion x, y;
         x.setDConst(sampleLoc[pos].x);
@@ -3785,7 +3785,7 @@
         result->setType(TType(node->getType().getBasicType(), EvqTemporary, node->getVectorSize()));
 
         TIntermTyped* convertedResult = nullptr;
-        
+
         TType retType;
         getTextureReturnType(sampler, retType);
 
@@ -3811,7 +3811,7 @@
 
             for (unsigned m = 0; m < unsigned(retType.getStruct()->size()); ++m) {
                 const TType memberType(retType, m); // dereferenced type of the member we're about to assign.
-                
+
                 // Check for bad struct members.  This should have been caught upstream.  Complain, because
                 // wwe don't know what to do with it.  This algorithm could be generalized to handle
                 // other things, e.g, sub-structures, but HLSL doesn't allow them.
@@ -3819,7 +3819,7 @@
                     error(loc, "expected: scalar or vector type in texture structure", "", "");
                     return nullptr;
                 }
-                    
+
                 // Index into the struct variable to find the member to assign.
                 TIntermTyped* structMember = intermediate.addIndex(EOpIndexDirectStruct,
                                                                    intermediate.addSymbol(*structVar, loc),
@@ -3841,14 +3841,14 @@
 
                         TIntermTyped* structVecComponent = intermediate.addIndex(EOpIndexDirect, structMember,
                                                                                  intermediate.addConstantUnion(component, loc), loc);
-                        
+
                         memberAssign = intermediate.addAssign(EOpAssign, structVecComponent, vec4Member, loc);
                     } else {
                         // Scalar member: we can assign to it directly.
                         memberAssign = intermediate.addAssign(EOpAssign, structMember, vec4Member, loc);
                     }
 
-                    
+
                     conversionAggregate->getSequence().push_back(memberAssign);
                 }
             }
@@ -3887,7 +3887,7 @@
             if (arguments->getAsTyped()->getBasicType() != EbtSampler)
                 return;
         } else {
-            if (argAggregate->getSequence().size() == 0 || 
+            if (argAggregate->getSequence().size() == 0 ||
                 argAggregate->getSequence()[0] == nullptr ||
                 argAggregate->getSequence()[0]->getAsTyped()->getBasicType() != EbtSampler)
                 return;
@@ -4584,13 +4584,13 @@
             int count = 0;
             for (int val = 2; val <= 16; val *= 2)
                 idxtest[count++] =
-                    intermediate.addBinaryNode(EOpEqual, 
+                    intermediate.addBinaryNode(EOpEqual,
                                                intermediate.addSymbol(*outSampleCount, loc),
                                                intermediate.addConstantUnion(val, loc),
                                                loc, TType(EbtBool));
 
             const TOperator idxOp = (argSampIdx->getQualifier().storage == EvqConst) ? EOpIndexDirect : EOpIndexIndirect;
-            
+
             // Create index ops into position arrays given sample index.
             // TODO: should it be clamped?
             TIntermTyped* index[4];
@@ -4605,13 +4605,13 @@
             // (sampleCount == 4)  ? pos4[idx] :
             // (sampleCount == 8)  ? pos8[idx] :
             // (sampleCount == 16) ? pos16[idx] : float2(0,0);
-            TIntermTyped* test = 
-                intermediate.addSelection(idxtest[0], index[0], 
-                    intermediate.addSelection(idxtest[1], index[1], 
+            TIntermTyped* test =
+                intermediate.addSelection(idxtest[0], index[0],
+                    intermediate.addSelection(idxtest[1], index[1],
                         intermediate.addSelection(idxtest[2], index[2],
-                            intermediate.addSelection(idxtest[3], index[3], 
+                            intermediate.addSelection(idxtest[3], index[3],
                                                       getSamplePosArray(1), loc), loc), loc), loc);
-                                         
+
             compoundStatement = intermediate.growAggregate(compoundStatement, test);
             compoundStatement->setOperator(EOpSequence);
             compoundStatement->setLoc(loc);
@@ -4624,7 +4624,7 @@
 
     case EOpSubpassLoad:
         {
-            const TIntermTyped* argSubpass = 
+            const TIntermTyped* argSubpass =
                 argAggregate ? argAggregate->getSequence()[0]->getAsTyped() :
                 arguments->getAsTyped();
 
@@ -4639,7 +4639,7 @@
 
             break;
         }
-        
+
 
     default:
         break; // most pass through unchanged
@@ -5159,7 +5159,7 @@
 
             for (int idx = 0; idx < vecSize; ++idx) {
                 TIntermTyped* idxConst = intermediate.addConstantUnion(idx, loc, true);
-                TIntermTyped* component = argValue->getType().isVector() ? 
+                TIntermTyped* component = argValue->getType().isVector() ?
                     intermediate.addIndex(EOpIndexDirect, argValue, idxConst, loc) : argValue;
 
                 if (component != argValue)
@@ -5171,7 +5171,7 @@
                 unpackOp->setLoc(loc);
 
                 TIntermTyped* lowOrder  = intermediate.addIndex(EOpIndexDirect, unpackOp, zero, loc);
-                
+
                 if (result != nullptr) {
                     result->getSequence().push_back(lowOrder);
                     node = result;
@@ -5179,7 +5179,7 @@
                     node = lowOrder;
                 }
             }
-            
+
             break;
         }
 
@@ -5210,7 +5210,7 @@
 
             for (int idx = 0; idx < vecSize; ++idx) {
                 TIntermTyped* idxConst = intermediate.addConstantUnion(idx, loc, true);
-                TIntermTyped* component = argValue->getType().isVector() ? 
+                TIntermTyped* component = argValue->getType().isVector() ?
                     intermediate.addIndex(EOpIndexDirect, argValue, idxConst, loc) : argValue;
 
                 if (component != argValue)
@@ -5221,7 +5221,7 @@
                 vec2ComponentAndZero->getSequence().push_back(zero);
                 vec2ComponentAndZero->setType(TType(EbtFloat, EvqTemporary, 2));
                 vec2ComponentAndZero->setLoc(loc);
-                
+
                 TIntermTyped* packOp = new TIntermUnary(EOpPackHalf2x16);
                 packOp->getAsUnaryNode()->setOperand(vec2ComponentAndZero);
                 packOp->setLoc(loc);
@@ -5294,7 +5294,7 @@
 
             TIntermTyped* notinf = handleUnaryMath(loc, "!", EOpLogicalNot, isinf);
             notinf->setType(boolType);
-            
+
             TIntermTyped* andNode = handleBinaryMath(loc, "and", EOpLogicalAnd, notnan, notinf);
             andNode->setType(boolType);
 
@@ -5678,7 +5678,7 @@
         // means take 'arguments' itself as the one argument.
         TIntermTyped* arg = function.getParamCount() == 1
                                    ? arguments->getAsTyped()
-                                   : (aggregate ? 
+                                   : (aggregate ?
                                         aggregate->getSequence()[param]->getAsTyped() :
                                         arguments->getAsTyped());
         if (*function[param].type != arg->getType()) {
@@ -5749,7 +5749,7 @@
         else if (args.size() > 1) {
             if (function.getParamCount() + functionParamNumberOffset == 1) {
                 arguments = intermediate.makeAggregate(args.front());
-                std::for_each(args.begin() + 1, args.end(), 
+                std::for_each(args.begin() + 1, args.end(),
                     [&](TIntermTyped* arg) {
                         arguments = intermediate.growAggregate(arguments, arg);
                     });
@@ -5768,7 +5768,7 @@
         // means take 'arguments' itself as the one argument.
         TIntermTyped* arg = function.getParamCount() == 1
                                    ? arguments->getAsTyped()
-                                   : (aggregate ? 
+                                   : (aggregate ?
                                         aggregate->getSequence()[param + functionParamNumberOffset]->getAsTyped() :
                                         arguments->getAsTyped());
 
@@ -8568,7 +8568,7 @@
     // bump up to the next component to consume
     const auto getNextComponent = [&]() {
         TIntermTyped* component;
-        component = handleBracketDereference(node->getLoc(), constructee, 
+        component = handleBracketDereference(node->getLoc(), constructee,
                                              intermediate.addConstantUnion(constructeeElement, node->getLoc()));
         if (component->isVector())
             component = handleBracketDereference(node->getLoc(), component,
@@ -9640,7 +9640,7 @@
     // Insert it in the vector that tracks struct return types.
     sampler.structReturnIndex = unsigned(textureReturnStruct.size());
     textureReturnStruct.push_back(members);
-    
+
     // Success!
     return true;
 }
@@ -9688,7 +9688,7 @@
     TVector<const TFunction*> candidateList;
     bool builtIn;
     symbolTable.findFunctionNameList(mangledName, candidateList, builtIn);
-    
+
     // We have to have one and only one, or we don't know which to pick: the patchconstantfunc does not
     // allow any disambiguation of overloads.
     if (candidateList.empty()) {
@@ -9759,26 +9759,26 @@
 
         return type.isSizedArray() && biType == EbvOutputPatch;
     };
-    
+
     // We will perform these steps.  Each is in a scoped block for separation: they could
     // become separate functions to make addPatchConstantInvocation shorter.
-    // 
+    //
     // 1. Union the interfaces, and create built-ins for anything present in the PCF and
     //    declared as a built-in variable that isn't present in the entry point's signature.
     //
     // 2. Synthesizes a call to the patchconstfunction using built-in variables from either main,
     //    or the ones we created.  Matching is based on built-in type.  We may use synthesized
     //    variables from (1) above.
-    // 
+    //
     // 2B: Synthesize per control point invocations of wrapped entry point if the PCF requires them.
     //
     // 3. Create a return sequence: copy the return value (if any) from the PCF to a
     //    (non-sanitized) output variable.  In case this may involve multiple copies, such as for
     //    an arrayed variable, a temporary copy of the PCF output is created to avoid multiple
     //    indirections into a complex R-value coming from the call to the PCF.
-    // 
+    //
     // 4. Create a barrier.
-    // 
+    //
     // 5/5B. Call the PCF inside an if test for (invocation id == 0).
 
     TFunction* patchConstantFunctionPtr = const_cast<TFunction*>(findPatchConstantFunction(loc));
@@ -9885,7 +9885,7 @@
             } else {
                 // find which built-in it is
                 const TBuiltInVariable biType = patchConstantFunction[p].getDeclaredBuiltIn();
-                
+
                 if (biType == EbvInputPatch && inputPatch == nullptr) {
                     error(loc, "unimplemented: PCF input patch without entry point input patch parameter", "", "");
                     return;
@@ -9992,7 +9992,7 @@
             element->setType(derefType);
             element->setLoc(loc);
 
-            pcfCallSequence = intermediate.growAggregate(pcfCallSequence, 
+            pcfCallSequence = intermediate.growAggregate(pcfCallSequence,
                                                          handleAssign(loc, EOpAssign, element, callReturn));
         }
     }
@@ -10041,7 +10041,7 @@
         pcfCallSequence = intermediate.growAggregate(pcfCallSequence, pcfCall);
     }
 
-    // ================ Step 4: Barrier ================    
+    // ================ Step 4: Barrier ================
     TIntermTyped* barrier = new TIntermAggregate(EOpBarrier);
     barrier->setLoc(loc);
     barrier->setType(TType(EbtVoid));
@@ -10113,7 +10113,7 @@
 
     // Patch append sequences, now that we know the stream output symbol.
     for (auto append = gsAppends.begin(); append != gsAppends.end(); ++append) {
-        append->node->getSequence()[0] = 
+        append->node->getSequence()[0] =
             handleAssign(append->loc, EOpAssign,
                          intermediate.addSymbol(*gsStreamOutput, append->loc),
                          append->node->getSequence()[0]->getAsTyped());
diff --git a/hlsl/hlslParseHelper.h b/glslang/HLSL/hlslParseHelper.h
similarity index 98%
rename from hlsl/hlslParseHelper.h
rename to glslang/HLSL/hlslParseHelper.h
index 3ca21c6..3ae1db1 100644
--- a/hlsl/hlslParseHelper.h
+++ b/glslang/HLSL/hlslParseHelper.h
@@ -36,9 +36,9 @@
 #ifndef HLSL_PARSE_INCLUDED_
 #define HLSL_PARSE_INCLUDED_
 
-#include "../glslang/MachineIndependent/parseVersions.h"
-#include "../glslang/MachineIndependent/ParseHelper.h"
-#include "../glslang/MachineIndependent/attribute.h"
+#include "../MachineIndependent/parseVersions.h"
+#include "../MachineIndependent/ParseHelper.h"
+#include "../MachineIndependent/attribute.h"
 
 #include <array>
 
@@ -320,7 +320,7 @@
     // Finalization step: remove unused buffer blocks from linkage (we don't know until the
     // shader is entirely compiled)
     void removeUnusedStructBufferCounters();
- 
+
     static bool isClipOrCullDistance(TBuiltInVariable);
     static bool isClipOrCullDistance(const TQualifier& qual) { return isClipOrCullDistance(qual.builtIn); }
     static bool isClipOrCullDistance(const TType& type) { return isClipOrCullDistance(type.getQualifier()); }
@@ -407,7 +407,7 @@
     // This tracks texture sample user structure return types.  Only a limited number are supported, as
     // may fit in TSampler::structReturnIndex.
     TVector<TTypeList*> textureReturnStruct;
-    
+
     TMap<TString, bool> structBufferCounter;  // true if counter buffer is in use
 
     // The built-in interstage IO map considers e.g, EvqPosition on input and output separately, so that we
@@ -456,7 +456,7 @@
     std::array<int, maxClipCullRegs> cullSemanticNSizeOut; // vector, indexed by cull semantic ID
 
     // This tracks the first (mip level) argument to the .mips[][] operator.  Since this can be nested as
-    // in tx.mips[tx.mips[0][1].x][2], we need a stack.  We also track the TSourceLoc for error reporting 
+    // in tx.mips[tx.mips[0][1].x][2], we need a stack.  We also track the TSourceLoc for error reporting
     // purposes.
     struct tMipsOperatorData {
         tMipsOperatorData(TSourceLoc l, TIntermTyped* m) : loc(l), mipLevel(m) { }
diff --git a/hlsl/hlslParseables.cpp b/glslang/HLSL/hlslParseables.cpp
similarity index 100%
rename from hlsl/hlslParseables.cpp
rename to glslang/HLSL/hlslParseables.cpp
diff --git a/hlsl/hlslParseables.h b/glslang/HLSL/hlslParseables.h
similarity index 97%
rename from hlsl/hlslParseables.h
rename to glslang/HLSL/hlslParseables.h
index 28f424b..a4aef6c 100644
--- a/hlsl/hlslParseables.h
+++ b/glslang/HLSL/hlslParseables.h
@@ -36,7 +36,7 @@
 #ifndef _HLSLPARSEABLES_INCLUDED_
 #define _HLSLPARSEABLES_INCLUDED_
 
-#include "../glslang/MachineIndependent/Initialize.h"
+#include "../MachineIndependent/Initialize.h"
 
 namespace glslang {
 
diff --git a/hlsl/hlslScanContext.cpp b/glslang/HLSL/hlslScanContext.cpp
similarity index 98%
rename from hlsl/hlslScanContext.cpp
rename to glslang/HLSL/hlslScanContext.cpp
index 5af321f..fc62672 100644
--- a/hlsl/hlslScanContext.cpp
+++ b/glslang/HLSL/hlslScanContext.cpp
@@ -42,15 +42,15 @@
 #include <unordered_map>
 #include <unordered_set>
 
-#include "../glslang/Include/Types.h"
-#include "../glslang/MachineIndependent/SymbolTable.h"
-#include "../glslang/MachineIndependent/ParseHelper.h"
+#include "../Include/Types.h"
+#include "../MachineIndependent/SymbolTable.h"
+#include "../MachineIndependent/ParseHelper.h"
 #include "hlslScanContext.h"
 #include "hlslTokens.h"
 
 // preprocessor includes
-#include "../glslang/MachineIndependent/preprocessor/PpContext.h"
-#include "../glslang/MachineIndependent/preprocessor/PpTokens.h"
+#include "../MachineIndependent/preprocessor/PpContext.h"
+#include "../MachineIndependent/preprocessor/PpTokens.h"
 
 namespace {
 
diff --git a/hlsl/hlslScanContext.h b/glslang/HLSL/hlslScanContext.h
similarity index 97%
rename from hlsl/hlslScanContext.h
rename to glslang/HLSL/hlslScanContext.h
index 9d30a12..3b191e4 100644
--- a/hlsl/hlslScanContext.h
+++ b/glslang/HLSL/hlslScanContext.h
@@ -41,7 +41,7 @@
 #ifndef HLSLSCANCONTEXT_H_
 #define HLSLSCANCONTEXT_H_
 
-#include "../glslang/MachineIndependent/ParseHelper.h"
+#include "../MachineIndependent/ParseHelper.h"
 #include "hlslTokens.h"
 
 namespace glslang {
diff --git a/hlsl/hlslTokenStream.cpp b/glslang/HLSL/hlslTokenStream.cpp
similarity index 100%
rename from hlsl/hlslTokenStream.cpp
rename to glslang/HLSL/hlslTokenStream.cpp
diff --git a/hlsl/hlslTokenStream.h b/glslang/HLSL/hlslTokenStream.h
similarity index 100%
rename from hlsl/hlslTokenStream.h
rename to glslang/HLSL/hlslTokenStream.h
diff --git a/hlsl/hlslTokens.h b/glslang/HLSL/hlslTokens.h
similarity index 100%
rename from hlsl/hlslTokens.h
rename to glslang/HLSL/hlslTokens.h
diff --git a/hlsl/pch.cpp b/glslang/HLSL/pch.cpp
similarity index 100%
rename from hlsl/pch.cpp
rename to glslang/HLSL/pch.cpp
diff --git a/hlsl/pch.h b/glslang/HLSL/pch.h
similarity index 91%
rename from hlsl/pch.h
rename to glslang/HLSL/pch.h
index e0bc491..465e7c1 100644
--- a/hlsl/pch.h
+++ b/glslang/HLSL/pch.h
@@ -34,21 +34,20 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
+#include "hlslAttributes.h"
+#include "hlslGrammar.h"
 #include "hlslParseHelper.h"
 #include "hlslScanContext.h"
-#include "hlslGrammar.h"
-#include "hlslAttributes.h"
 
-#include "../glslang/MachineIndependent/Scan.h"
-#include "../glslang/MachineIndependent/preprocessor/PpContext.h"
+#include "../MachineIndependent/Scan.h"
+#include "../MachineIndependent/preprocessor/PpContext.h"
 
-#include "../glslang/OSDependent/osinclude.h"
+#include "../OSDependent/osinclude.h"
 
 #include <algorithm>
-#include <functional>
-#include <cctype>
 #include <array>
+#include <cctype>
+#include <functional>
 #include <set>
 
-
 #endif /* _PCH_H */
diff --git a/glslang/MachineIndependent/ShaderLang.cpp b/glslang/MachineIndependent/ShaderLang.cpp
index a1392db..476d179 100644
--- a/glslang/MachineIndependent/ShaderLang.cpp
+++ b/glslang/MachineIndependent/ShaderLang.cpp
@@ -51,9 +51,9 @@
 #include "ScanContext.h"
 
 #ifdef ENABLE_HLSL
-#include "../../hlsl/hlslParseHelper.h"
-#include "../../hlsl/hlslParseables.h"
-#include "../../hlsl/hlslScanContext.h"
+#include "../HLSL/hlslParseHelper.h"
+#include "../HLSL/hlslParseables.h"
+#include "../HLSL/hlslScanContext.h"
 #endif
 
 #include "../Include/ShHandle.h"
diff --git a/hlsl/CMakeLists.txt b/hlsl/CMakeLists.txt
index d086631..0e5d901 100644
--- a/hlsl/CMakeLists.txt
+++ b/hlsl/CMakeLists.txt
@@ -1,6 +1,7 @@
 
 # The HLSL source is directly embedded into the glslang target when ENABLE_HLSL
 # is set.
+# This source now lives at: glslang/HLSL/
 # The HLSL target is now just a stub that exists for backwards compatibility for
 # projects that referenced this target.
 
diff --git a/hlsl/stub.cpp b/hlsl/stub.cpp
index c53b939..f1d39c1 100644
--- a/hlsl/stub.cpp
+++ b/hlsl/stub.cpp
@@ -35,6 +35,7 @@
 
 // The HLSL source is directly embedded into the glslang target when ENABLE_HLSL
 // is set.
+// This source now lives at: glslang/HLSL/
 // The HLSL target is now just a stub that exists for backwards compatibility
 // for projects that referenced this target. As a target requires at least one
 // source file to build, this file acts as that stub.