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HLSL: Correct some mistakes for min16 types

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- Add missing constructor ops to support float16/int16/uint16 types
- Allow half float literals
- Correct two errors of double literal parse in HLSL: extension check and
  postfix
This commit is contained in:
Rex Xu 2018-03-12 23:15:11 +08:00
parent 845860d565
commit a00e51b5b2
5 changed files with 50 additions and 9 deletions
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24
glslang/MachineIndependent/preprocessor/PpScanner.cpp
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@ -174,16 +174,22 @@ int TPpContext::lFloatConst(int len, int ch, TPpToken* ppToken)
// Suffix:
bool isFloat16 = false;
if (ch == 'l' || ch == 'L') {
parseContext.doubleCheck(ppToken->loc, "double floating-point suffix");
if (parseContext.intermediate.getSource() == EShSourceGlsl)
parseContext.doubleCheck(ppToken->loc, "double floating-point suffix");
if (! HasDecimalOrExponent)
parseContext.ppError(ppToken->loc, "float literal needs a decimal point or exponent", "", "");
int ch2 = getChar();
if (ch2 != 'f' && ch2 != 'F') {
ungetChar();
ungetChar();
} else {
if (parseContext.intermediate.getSource() == EShSourceGlsl) {
int ch2 = getChar();
if (ch2 != 'f' && ch2 != 'F') {
ungetChar();
ungetChar();
} else {
saveName(ch);
saveName(ch2);
isDouble = 1;
}
} else if (parseContext.intermediate.getSource() == EShSourceHlsl) {
saveName(ch);
saveName(ch2);
isDouble = 1;
}
} else if (ch == 'h' || ch == 'H') {
@ -201,9 +207,9 @@ int TPpContext::lFloatConst(int len, int ch, TPpToken* ppToken)
saveName(ch2);
isFloat16 = true;
}
} else {
} else if (parseContext.intermediate.getSource() == EShSourceHlsl) {
saveName(ch);
isFloat16 = false;
isFloat16 = true;
}
} else if (ch == 'f' || ch == 'F') {
parseContext.profileRequires(ppToken->loc, EEsProfile, 300, nullptr, "floating-point suffix");

3
hlsl/hlslGrammar.cpp
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@ -3283,6 +3283,9 @@ bool HlslGrammar::acceptLiteral(TIntermTyped*& node)
case EHTokUintConstant:
node = intermediate.addConstantUnion(token.u, token.loc, true);
break;
case EHTokFloat16Constant:
node = intermediate.addConstantUnion(token.d, EbtFloat16, token.loc, true);
break;
case EHTokFloatConstant:
node = intermediate.addConstantUnion(token.d, EbtFloat, token.loc, true);
break;

30
hlsl/hlslParseHelper.cpp
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@ -8320,6 +8320,22 @@ TIntermTyped* HlslParseContext::constructBuiltIn(const TType& type, TOperator op
// First, convert types as needed.
//
switch (op) {
case EOpConstructF16Vec2:
case EOpConstructF16Vec3:
case EOpConstructF16Vec4:
case EOpConstructF16Mat2x2:
case EOpConstructF16Mat2x3:
case EOpConstructF16Mat2x4:
case EOpConstructF16Mat3x2:
case EOpConstructF16Mat3x3:
case EOpConstructF16Mat3x4:
case EOpConstructF16Mat4x2:
case EOpConstructF16Mat4x3:
case EOpConstructF16Mat4x4:
case EOpConstructFloat16:
basicOp = EOpConstructFloat16;
break;
case EOpConstructVec2:
case EOpConstructVec3:
case EOpConstructVec4:
@ -8352,6 +8368,13 @@ TIntermTyped* HlslParseContext::constructBuiltIn(const TType& type, TOperator op
basicOp = EOpConstructDouble;
break;
case EOpConstructI16Vec2:
case EOpConstructI16Vec3:
case EOpConstructI16Vec4:
case EOpConstructInt16:
basicOp = EOpConstructInt16;
break;
case EOpConstructIVec2:
case EOpConstructIVec3:
case EOpConstructIVec4:
@ -8368,6 +8391,13 @@ TIntermTyped* HlslParseContext::constructBuiltIn(const TType& type, TOperator op
basicOp = EOpConstructInt;
break;
case EOpConstructU16Vec2:
case EOpConstructU16Vec3:
case EOpConstructU16Vec4:
case EOpConstructUint16:
basicOp = EOpConstructUint16;
break;
case EOpConstructUVec2:
case EOpConstructUVec3:
case EOpConstructUVec4:

1
hlsl/hlslScanContext.cpp
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@ -550,6 +550,7 @@ EHlslTokenClass HlslScanContext::tokenizeClass(HlslToken& token)
case PpAtomConstInt: parserToken->i = ppToken.ival; return EHTokIntConstant;
case PpAtomConstUint: parserToken->i = ppToken.ival; return EHTokUintConstant;
case PpAtomConstFloat16: parserToken->d = ppToken.dval; return EHTokFloat16Constant;
case PpAtomConstFloat: parserToken->d = ppToken.dval; return EHTokFloatConstant;
case PpAtomConstDouble: parserToken->d = ppToken.dval; return EHTokDoubleConstant;
case PpAtomIdentifier:

1
hlsl/hlslTokens.h
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@ -298,6 +298,7 @@ enum EHlslTokenClass {
EHTokConstantBuffer,
// constant
EHTokFloat16Constant,
EHTokFloatConstant,
EHTokDoubleConstant,
EHTokIntConstant,