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Change infrastructure to support constant folding across built-in functions, as required by 1.2 semantics. Partially fleshed out with min/max and some trig functions. Still have to complete all operations.

Browse source 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20806 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-03-07 19:22:07 +00:00
parent 3f3e0ad3ad
commit 53fb465729
14 changed files with 737 additions and 481 deletions
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9
glslang/MachineIndependent/parseConst.cpp
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@ -40,8 +40,8 @@
//
class TConstTraverser : public TIntermTraverser {
public:
TConstTraverser(constUnion* cUnion, bool singleConstParam, TOperator constructType, TInfoSink& sink, TSymbolTable& symTable, TType& t) : unionArray(cUnion), type(t),
constructorType(constructType), singleConstantParam(singleConstParam), infoSink(sink), symbolTable(symTable), error(false), isMatrix(false),
TConstTraverser(constUnion* cUnion, bool singleConstParam, TOperator constructType, TInfoSink& sink, TType& t) : unionArray(cUnion), type(t),
constructorType(constructType), singleConstantParam(singleConstParam), infoSink(sink), error(false), isMatrix(false),
matrixCols(0), matrixRows(0) { index = 0; tOp = EOpNull;}
int index ;
constUnion *unionArray;
@ -50,7 +50,6 @@ public:
TOperator constructorType;
bool singleConstantParam;
TInfoSink& infoSink;
TSymbolTable& symbolTable;
bool error;
int size; // size of the constructor ( 4 for vec4)
bool isMatrix;
@ -256,12 +255,12 @@ bool ParseBranch(bool /* previsit*/, TIntermBranch* node, TIntermTraverser* it)
// Individual functions can be initialized to 0 to skip processing of that
// type of node. It's children will still be processed.
//
bool TIntermediate::parseConstTree(TSourceLoc line, TIntermNode* root, constUnion* unionArray, TOperator constructorType, TSymbolTable& symbolTable, TType t, bool singleConstantParam)
bool TIntermediate::parseConstTree(TSourceLoc line, TIntermNode* root, constUnion* unionArray, TOperator constructorType, TType t, bool singleConstantParam)
{
if (root == 0)
return false;
TConstTraverser it(unionArray, singleConstantParam, constructorType, infoSink, symbolTable, t);
TConstTraverser it(unionArray, singleConstantParam, constructorType, infoSink, t);
it.visitAggregate = ParseAggregate;
it.visitBinary = ParseBinary;