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Implement extension GL_AMD_gpu_shader_int16

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- Add int16 types (int16_t, uint16_t, i16vec, u16vec).
- Add int16 support to GLSL operators.
- Add int16 type conversions (to int16, from int16).
- Add int16 built-in functions.
This commit is contained in:
Rex Xu 2017-03-24 13:41:14 +08:00
parent 4d5bcd3162
commit cabbb788b4
28 changed files with 8560 additions and 5521 deletions
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28
glslang/MachineIndependent/Scan.cpp
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@ -464,6 +464,15 @@ void TScanContext::fillInKeywordMap()
(*KeywordMap)["u64vec4"] = U64VEC4;
#ifdef AMD_EXTENSIONS
(*KeywordMap)["int16_t"] = INT16_T;
(*KeywordMap)["uint16_t"] = UINT16_T;
(*KeywordMap)["i16vec2"] = I16VEC2;
(*KeywordMap)["i16vec3"] = I16VEC3;
(*KeywordMap)["i16vec4"] = I16VEC4;
(*KeywordMap)["u16vec2"] = U16VEC2;
(*KeywordMap)["u16vec3"] = U16VEC3;
(*KeywordMap)["u16vec4"] = U16VEC4;
(*KeywordMap)["float16_t"] = FLOAT16_T;
(*KeywordMap)["f16vec2"] = F16VEC2;
(*KeywordMap)["f16vec3"] = F16VEC3;
@ -709,6 +718,10 @@ int TScanContext::tokenize(TPpContext* pp, TParserToken& token)
case PpAtomConstUint: parserToken->sType.lex.i = ppToken.ival; return UINTCONSTANT;
case PpAtomConstInt64: parserToken->sType.lex.i64 = ppToken.i64val; return INT64CONSTANT;
case PpAtomConstUint64: parserToken->sType.lex.i64 = ppToken.i64val; return UINT64CONSTANT;
#ifdef AMD_EXTENSIONS
case PpAtomConstInt16: parserToken->sType.lex.i = ppToken.ival; return INT16CONSTANT;
case PpAtomConstUint16: parserToken->sType.lex.i = ppToken.ival; return UINT16CONSTANT;
#endif
case PpAtomConstFloat: parserToken->sType.lex.d = ppToken.dval; return FLOATCONSTANT;
case PpAtomConstDouble: parserToken->sType.lex.d = ppToken.dval; return DOUBLECONSTANT;
#ifdef AMD_EXTENSIONS
@ -973,6 +986,21 @@ int TScanContext::tokenizeIdentifier()
return identifierOrType();
#ifdef AMD_EXTENSIONS
case INT16_T:
case UINT16_T:
case I16VEC2:
case I16VEC3:
case I16VEC4:
case U16VEC2:
case U16VEC3:
case U16VEC4:
afterType = true;
if (parseContext.symbolTable.atBuiltInLevel() ||
(parseContext.extensionTurnedOn(E_GL_AMD_gpu_shader_int16) &&
parseContext.profile != EEsProfile && parseContext.version >= 450))
return keyword;
return identifierOrType();
case FLOAT16_T:
case F16VEC2:
case F16VEC3: