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Implement the extension GL_ARB_gpu_shader_int64

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- Add new keyword int64_t/uint64_t/i64vec/u64vec.
- Support 64-bit integer literals (dec/hex/oct).
- Support built-in operators for 64-bit integer type.
- Add implicit and explicit type conversion for 64-bit integer type.
- Add new built-in functions defined in this extension.
This commit is contained in:
Rex Xu 2016-04-22 16:51:45 +08:00
parent 010e93fe62
commit 8ff43de891
33 changed files with 5047 additions and 3009 deletions
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14
glslang/MachineIndependent/preprocessor/PpTokens.cpp
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@ -141,6 +141,8 @@ void TPpContext::RecordToken(TokenStream *pTok, int token, TPpToken* ppToken)
break;
case PpAtomConstInt:
case PpAtomConstUint:
case PpAtomConstInt64:
case PpAtomConstUint64:
case PpAtomConstFloat:
case PpAtomConstDouble:
str = ppToken->name;
@ -193,6 +195,8 @@ int TPpContext::ReadToken(TokenStream *pTok, TPpToken *ppToken)
case PpAtomConstDouble:
case PpAtomConstInt:
case PpAtomConstUint:
case PpAtomConstInt64:
case PpAtomConstUint64:
len = 0;
ch = lReadByte(pTok);
while (ch != 0 && ch != EndOfInput) {
@ -227,6 +231,16 @@ int TPpContext::ReadToken(TokenStream *pTok, TPpToken *ppToken)
} else
ppToken->ival = atoi(ppToken->name);
break;
case PpAtomConstInt64:
case PpAtomConstUint64:
if (len > 0 && tokenText[0] == '0') {
if (len > 1 && (tokenText[1] == 'x' || tokenText[1] == 'X'))
ppToken->i64val = std::stoll(ppToken->name, 0, 16);
else
ppToken->i64val = std::stoll(ppToken->name, 0, 8);
} else
ppToken->i64val = std::stoll(ppToken->name);
break;
}
}