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Non-functional: Rationalize location and use of mapTypeToConstructor().

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This commit is contained in:
John Kessenich 2016-07-28 15:29:35 -06:00
parent c552aece83
commit a26a5170a3
7 changed files with 163 additions and 288 deletions
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144
glslang/MachineIndependent/Intermediate.cpp
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@ -751,6 +751,150 @@ bool TIntermediate::canImplicitlyPromote(TBasicType from, TBasicType to) const
}
}
//
// Given a type, find what operation would fully construct it.
//
TOperator TIntermediate::mapTypeToConstructorOp(const TType& type) const
{
TOperator op = EOpNull;
switch (type.getBasicType()) {
case EbtStruct:
op = EOpConstructStruct;
break;
case EbtSampler:
if (type.getSampler().combined)
op = EOpConstructTextureSampler;
break;
case EbtFloat:
if (type.isMatrix()) {
switch (type.getMatrixCols()) {
case 2:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructMat2x2; break;
case 3: op = EOpConstructMat2x3; break;
case 4: op = EOpConstructMat2x4; break;
default: break; // some compilers want this
}
break;
case 3:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructMat3x2; break;
case 3: op = EOpConstructMat3x3; break;
case 4: op = EOpConstructMat3x4; break;
default: break; // some compilers want this
}
break;
case 4:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructMat4x2; break;
case 3: op = EOpConstructMat4x3; break;
case 4: op = EOpConstructMat4x4; break;
default: break; // some compilers want this
}
break;
default: break; // some compilers want this
}
} else {
switch(type.getVectorSize()) {
case 1: op = EOpConstructFloat; break;
case 2: op = EOpConstructVec2; break;
case 3: op = EOpConstructVec3; break;
case 4: op = EOpConstructVec4; break;
default: break; // some compilers want this
}
}
break;
case EbtDouble:
if (type.getMatrixCols()) {
switch (type.getMatrixCols()) {
case 2:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructDMat2x2; break;
case 3: op = EOpConstructDMat2x3; break;
case 4: op = EOpConstructDMat2x4; break;
default: break; // some compilers want this
}
break;
case 3:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructDMat3x2; break;
case 3: op = EOpConstructDMat3x3; break;
case 4: op = EOpConstructDMat3x4; break;
default: break; // some compilers want this
}
break;
case 4:
switch (type.getMatrixRows()) {
case 2: op = EOpConstructDMat4x2; break;
case 3: op = EOpConstructDMat4x3; break;
case 4: op = EOpConstructDMat4x4; break;
default: break; // some compilers want this
}
break;
}
} else {
switch(type.getVectorSize()) {
case 1: op = EOpConstructDouble; break;
case 2: op = EOpConstructDVec2; break;
case 3: op = EOpConstructDVec3; break;
case 4: op = EOpConstructDVec4; break;
default: break; // some compilers want this
}
}
break;
case EbtInt:
switch(type.getVectorSize()) {
case 1: op = EOpConstructInt; break;
case 2: op = EOpConstructIVec2; break;
case 3: op = EOpConstructIVec3; break;
case 4: op = EOpConstructIVec4; break;
default: break; // some compilers want this
}
break;
case EbtUint:
switch(type.getVectorSize()) {
case 1: op = EOpConstructUint; break;
case 2: op = EOpConstructUVec2; break;
case 3: op = EOpConstructUVec3; break;
case 4: op = EOpConstructUVec4; break;
default: break; // some compilers want this
}
break;
case EbtInt64:
switch(type.getVectorSize()) {
case 1: op = EOpConstructInt64; break;
case 2: op = EOpConstructI64Vec2; break;
case 3: op = EOpConstructI64Vec3; break;
case 4: op = EOpConstructI64Vec4; break;
default: break; // some compilers want this
}
break;
case EbtUint64:
switch(type.getVectorSize()) {
case 1: op = EOpConstructUint64; break;
case 2: op = EOpConstructU64Vec2; break;
case 3: op = EOpConstructU64Vec3; break;
case 4: op = EOpConstructU64Vec4; break;
default: break; // some compilers want this
}
break;
case EbtBool:
switch(type.getVectorSize()) {
case 1: op = EOpConstructBool; break;
case 2: op = EOpConstructBVec2; break;
case 3: op = EOpConstructBVec3; break;
case 4: op = EOpConstructBVec4; break;
default: break; // some compilers want this
}
break;
default:
break;
}
return op;
}
//
// Safe way to combine two nodes into an aggregate. Works with null pointers,
// a node that's not a aggregate yet, etc.