GLSL: Remove use of __ in the implementation of keywords having __.

glslang/MachineIndependent/Scan.cpp

@@ -683,7 +683,7 @@ void TScanContext::fillInKeywordMap()
     (*KeywordMap)["smooth"] =                  SMOOTH;
     (*KeywordMap)["flat"] =                    FLAT;
 #ifdef AMD_EXTENSIONS
-    (*KeywordMap)["__explicitInterpAMD"] =     __EXPLICITINTERPAMD;
+    (*KeywordMap)["__explicitInterpAMD"] =     EXPLICITINTERPAMD;
 #endif
     (*KeywordMap)["centroid"] =                CENTROID;
     (*KeywordMap)["precise"] =                 PRECISE;
@@ -1490,7 +1490,7 @@ int TScanContext::tokenizeIdentifier()
         return keyword;
 
 #ifdef AMD_EXTENSIONS
-    case __EXPLICITINTERPAMD:
+    case EXPLICITINTERPAMD:
         if (parseContext.profile != EEsProfile && parseContext.version >= 450 &&
             parseContext.extensionTurnedOn(E_GL_AMD_shader_explicit_vertex_parameter))
             return keyword;

glslang/MachineIndependent/glslang.y

@@ -146,7 +146,7 @@ extern int yylex(YYSTYPE*, TParseContext&);
 %token <lex> F16VEC2 F16VEC3 F16VEC4 F16MAT2 F16MAT3 F16MAT4
 %token <lex> F32VEC2 F32VEC3 F32VEC4 F32MAT2 F32MAT3 F32MAT4
 %token <lex> F64VEC2 F64VEC3 F64VEC4 F64MAT2 F64MAT3 F64MAT4
-%token <lex> NOPERSPECTIVE FLAT SMOOTH LAYOUT __EXPLICITINTERPAMD
+%token <lex> NOPERSPECTIVE FLAT SMOOTH LAYOUT EXPLICITINTERPAMD
 
 %token <lex> MAT2X2 MAT2X3 MAT2X4
 %token <lex> MAT3X2 MAT3X3 MAT3X4
@@ -1135,7 +1135,7 @@ interpolation_qualifier
         $$.init($1.loc);
         $$.qualifier.nopersp = true;
     }
-    | __EXPLICITINTERPAMD {
+    | EXPLICITINTERPAMD {
 #ifdef AMD_EXTENSIONS
         parseContext.globalCheck($1.loc, "__explicitInterpAMD");
         parseContext.profileRequires($1.loc, ECoreProfile, 450, E_GL_AMD_shader_explicit_vertex_parameter, "explicit interpolation");

glslang/MachineIndependent/glslang_tab.cpp

@@ -236,7 +236,7 @@ extern int yydebug;
     FLAT = 368,
     SMOOTH = 369,
     LAYOUT = 370,
-    __EXPLICITINTERPAMD = 371,
+    EXPLICITINTERPAMD = 371,
     MAT2X2 = 372,
     MAT2X3 = 373,
     MAT2X4 = 374,
@@ -981,7 +981,7 @@ static const char *const yytname[] =
   "F16VEC2", "F16VEC3", "F16VEC4", "F16MAT2", "F16MAT3", "F16MAT4",
   "F32VEC2", "F32VEC3", "F32VEC4", "F32MAT2", "F32MAT3", "F32MAT4",
   "F64VEC2", "F64VEC3", "F64VEC4", "F64MAT2", "F64MAT3", "F64MAT4",
-  "NOPERSPECTIVE", "FLAT", "SMOOTH", "LAYOUT", "__EXPLICITINTERPAMD",
+  "NOPERSPECTIVE", "FLAT", "SMOOTH", "LAYOUT", "EXPLICITINTERPAMD",
   "MAT2X2", "MAT2X3", "MAT2X4", "MAT3X2", "MAT3X3", "MAT3X4", "MAT4X2",
   "MAT4X3", "MAT4X4", "DMAT2X2", "DMAT2X3", "DMAT2X4", "DMAT3X2",
   "DMAT3X3", "DMAT3X4", "DMAT4X2", "DMAT4X3", "DMAT4X4", "F16MAT2X2",

glslang/MachineIndependent/glslang_tab.cpp.h

@@ -158,7 +158,7 @@ extern int yydebug;
     FLAT = 368,
     SMOOTH = 369,
     LAYOUT = 370,
-    __EXPLICITINTERPAMD = 371,
+    EXPLICITINTERPAMD = 371,
     MAT2X2 = 372,
     MAT2X3 = 373,
     MAT2X4 = 374,