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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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38
glslang/MachineIndependent/Constant.cpp
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@ -193,7 +193,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TIntermTyped* right
case EbtUint:
if (rightUnionArray[i] == 0) {
newConstArray[i].setUConst(0xFFFFFFFF);
newConstArray[i].setUConst(0xFFFFFFFFu);
} else
newConstArray[i].setUConst(leftUnionArray[i].getUConst() / rightUnionArray[i].getUConst());
break;
@ -213,6 +213,23 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TIntermTyped* right
} else
newConstArray[i].setU64Const(leftUnionArray[i].getU64Const() / rightUnionArray[i].getU64Const());
break;
#ifdef AMD_EXTENSIONS
case EbtInt16:
if (rightUnionArray[i] == 0)
newConstArray[i].setIConst(0x7FFF);
else if (rightUnionArray[i].getIConst() == -1 && leftUnionArray[i].getIConst() == (int)0x8000)
newConstArray[i].setIConst(0x8000);
else
newConstArray[i].setIConst(leftUnionArray[i].getIConst() / rightUnionArray[i].getIConst());
break;
case EbtUint16:
if (rightUnionArray[i] == 0) {
newConstArray[i].setUConst(0xFFFFu);
} else
newConstArray[i].setUConst(leftUnionArray[i].getUConst() / rightUnionArray[i].getUConst());
break;
#endif
default:
return 0;
}
@ -457,10 +474,16 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TType& returnType)
case EbtFloat16:
#endif
case EbtFloat: newConstArray[i].setDConst(-unionArray[i].getDConst()); break;
#ifdef AMD_EXTENSIONS
case EbtInt16:
#endif
case EbtInt: newConstArray[i].setIConst(-unionArray[i].getIConst()); break;
#ifdef AMD_EXTENSIONS
case EbtUint16:
#endif
case EbtUint: newConstArray[i].setUConst(static_cast<unsigned int>(-static_cast<int>(unionArray[i].getUConst()))); break;
case EbtInt64: newConstArray[i].setI64Const(-unionArray[i].getI64Const()); break;
case EbtUint64: newConstArray[i].setU64Const(static_cast<unsigned int>(-static_cast<int>(unionArray[i].getU64Const()))); break;
case EbtUint64: newConstArray[i].setU64Const(static_cast<unsigned long long>(-static_cast<long long>(unionArray[i].getU64Const()))); break;
default:
return 0;
}
@ -610,6 +633,14 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TType& returnType)
case EOpUintBitsToFloat:
case EOpDoubleBitsToInt64:
case EOpDoubleBitsToUint64:
case EOpInt64BitsToDouble:
case EOpUint64BitsToDouble:
#ifdef AMD_EXTENSIONS
case EOpFloat16BitsToInt16:
case EOpFloat16BitsToUint16:
case EOpInt16BitsToFloat16:
case EOpUint16BitsToFloat16:
#endif
default:
return 0;
@ -702,6 +733,9 @@ TIntermTyped* TIntermediate::fold(TIntermAggregate* aggrNode)
#endif
children[0]->getAsTyped()->getBasicType() == EbtDouble;
bool isSigned = children[0]->getAsTyped()->getBasicType() == EbtInt ||
#ifdef AMD_EXTENSIONS
children[0]->getAsTyped()->getBasicType() == EbtInt16 ||
#endif
children[0]->getAsTyped()->getBasicType() == EbtInt64;
bool isInt64 = children[0]->getAsTyped()->getBasicType() == EbtInt64 ||
children[0]->getAsTyped()->getBasicType() == EbtUint64;