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Web: Remove/rationalize a set of *_EXTENSIONS, using GLSLANG_WEB.

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Focus was on the front end (not SPIR-V), minus the grammar.
Reduces #ifdef count by around 320 and makes the web build 270K smaller,
which is about 90% the  target size.

The grammar and scanner will be another step, as will the SPIR-V backend.
This makes heavy use of methods #ifdef'd to return false as a global way
of turning off code, relying on C++ DCE to do the rest.
This commit is contained in:
John Kessenich 2019-08-01 03:28:08 -06:00
parent e66dace97e
commit 7015bd658e
32 changed files with 2661 additions and 2712 deletions
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3
glslang/MachineIndependent/Constant.cpp
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@ -292,13 +292,12 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, const TIntermTyped* right
newConstArray[i].setIConst(0);
break;
} else goto modulo_default;
#ifndef GLSLANG_WEB
case EbtInt64:
if (rightUnionArray[i].getI64Const() == -1 && leftUnionArray[i].getI64Const() == LLONG_MIN) {
newConstArray[i].setI64Const(0);
break;
} else goto modulo_default;
#ifdef AMD_EXTENSIONS
case EbtInt16:
if (rightUnionArray[i].getIConst() == -1 && leftUnionArray[i].getIConst() == SHRT_MIN) {
newConstArray[i].setIConst(0);