BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

web: Fix accidental additon of refract() prototypes and update README.

Browse source
This commit is contained in:
John Kessenich 2019-08-21 03:38:02 -06:00
parent deec1933e9
commit 369ffa9543
3 changed files with 23 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

17
glslang/MachineIndependent/Initialize.cpp
View file

@ -107,7 +107,8 @@ const ArgType TypeIU = static_cast<ArgType>(TypeI | TypeU);
// output, or other unusual situations.
enum ArgClass {
ClassRegular = 0, // nothing special, just all vector widths with matching return type; traditional arithmetic
ClassLS = 1 << 1, // the last argument is also held fixed as a (type-matched) scalar while the others cycle
ClassLS = 1 << 0, // the last argument is also held fixed as a (type-matched) scalar while the others cycle
ClassXLS = 1 << 1, // the last argument is exclusively a (type-matched) scalar while the others cycle
ClassLS2 = 1 << 2, // the last two arguments are held fixed as a (type-matched) scalar while the others cycle
ClassFS = 1 << 3, // the first argument is held fixed as a (type-matched) scalar while the others cycle
ClassFS2 = 1 << 4, // the first two arguments are held fixed as a (type-matched) scalar while the others cycle
@ -217,7 +218,7 @@ const BuiltInFunction BaseFunctions[] = {
{ EOpNormalize, "normalize", 1, TypeF, ClassRegular, nullptr },
{ EOpFaceForward, "faceforward", 3, TypeF, ClassRegular, nullptr },
{ EOpReflect, "reflect", 2, TypeF, ClassRegular, nullptr },
{ EOpRefract, "refract", 3, TypeF, ClassLS, nullptr },
{ EOpRefract, "refract", 3, TypeF, ClassXLS, nullptr },
{ EOpLength, "length", 1, TypeF, ClassRS, nullptr },
{ EOpDistance, "distance", 2, TypeF, ClassRS, nullptr },
{ EOpDot, "dot", 2, TypeF, ClassRS, nullptr },
@ -286,9 +287,12 @@ void AddTabledBuiltin(TString& decls, const BuiltInFunction& function)
// loop across these two:
// 0: the varying arg set, and
// 1: the fixed scalar args
const ArgClass ClassFixed = (ArgClass)(ClassLS | ClassLS2 | ClassFS | ClassFS2);
const ArgClass ClassFixed = (ArgClass)(ClassLS | ClassXLS | ClassLS2 | ClassFS | ClassFS2);
for (int fixed = 0; fixed < ((function.classes & ClassFixed) > 0 ? 2 : 1); ++fixed) {
if (fixed == 0 && (function.classes & ClassXLS))
continue;
// walk the type strings in TypeString[]
for (int type = 0; type < TypeStringCount; ++type) {
// skip types not selected: go from type to row number to type bit
@ -303,8 +307,8 @@ void AddTabledBuiltin(TString& decls, const BuiltInFunction& function)
if ((function.classes & ClassV3) && (type & TypeStringColumnMask) != 2)
continue;
// skip replication of all scalars between the varying arg set and the fixed args
if (fixed == 1 && type == (type & TypeStringScalarMask))
// skip replication of all arg scalars between the varying arg set and the fixed args
if (fixed == 1 && type == (type & TypeStringScalarMask) && (function.classes & ClassXLS) == 0)
continue;
// skip scalars when we are told to
@ -336,7 +340,8 @@ void AddTabledBuiltin(TString& decls, const BuiltInFunction& function)
}
if ((function.classes & ClassLB) && arg == function.numArguments - 1)
decls.append(TypeString[type & TypeStringColumnMask]);
else if (fixed && ((arg == function.numArguments - 1 && (function.classes & (ClassLS | ClassLS2))) ||
else if (fixed && ((arg == function.numArguments - 1 && (function.classes & (ClassLS | ClassXLS |
ClassLS2))) ||
(arg == function.numArguments - 2 && (function.classes & ClassLS2)) ||
(arg == 0 && (function.classes & (ClassFS | ClassFS2))) ||
(arg == 1 && (function.classes & ClassFS2))))