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HLSL: Translate directive [flatten] and [branch] to SPV control mask.

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This commit is contained in:
Rex Xu 2017-07-04 23:23:40 +08:00
parent 423fae4858
commit 57e65929e4
15 changed files with 92 additions and 35 deletions
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21
glslang/Include/intermediate.h
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@ -861,6 +861,15 @@ protected:
TType type;
};
//
// Selection control hints
//
enum TSelectionControl {
ESelectionControlNone,
ESelectionControlFlatten,
ESelectionControlDontFlatten,
};
//
// Loop control hints
//
@ -1285,19 +1294,22 @@ protected:
class TIntermSelection : public TIntermTyped {
public:
TIntermSelection(TIntermTyped* cond, TIntermNode* trueB, TIntermNode* falseB) :
TIntermTyped(EbtVoid), condition(cond), trueBlock(trueB), falseBlock(falseB) {}
TIntermTyped(EbtVoid), condition(cond), trueBlock(trueB), falseBlock(falseB), control(ESelectionControlNone) {}
TIntermSelection(TIntermTyped* cond, TIntermNode* trueB, TIntermNode* falseB, const TType& type) :
TIntermTyped(type), condition(cond), trueBlock(trueB), falseBlock(falseB) {}
TIntermTyped(type), condition(cond), trueBlock(trueB), falseBlock(falseB), control(ESelectionControlNone) {}
virtual void traverse(TIntermTraverser*);
virtual TIntermTyped* getCondition() const { return condition; }
virtual TIntermNode* getTrueBlock() const { return trueBlock; }
virtual TIntermNode* getFalseBlock() const { return falseBlock; }
virtual TIntermSelection* getAsSelectionNode() { return this; }
virtual const TIntermSelection* getAsSelectionNode() const { return this; }
void setSelectionControl(TSelectionControl c) { control = c; }
TSelectionControl getSelectionControl() const { return control; }
protected:
TIntermTyped* condition;
TIntermNode* trueBlock;
TIntermNode* falseBlock;
TSelectionControl control; // selection control hint
};
//
@ -1308,15 +1320,18 @@ protected:
//
class TIntermSwitch : public TIntermNode {
public:
TIntermSwitch(TIntermTyped* cond, TIntermAggregate* b) : condition(cond), body(b) { }
TIntermSwitch(TIntermTyped* cond, TIntermAggregate* b) : condition(cond), body(b), control(ESelectionControlNone) { }
virtual void traverse(TIntermTraverser*);
virtual TIntermNode* getCondition() const { return condition; }
virtual TIntermAggregate* getBody() const { return body; }
virtual TIntermSwitch* getAsSwitchNode() { return this; }
virtual const TIntermSwitch* getAsSwitchNode() const { return this; }
void setSelectionControl(TSelectionControl c) { control = c; }
TSelectionControl getSelectionControl() const { return control; }
protected:
TIntermTyped* condition;
TIntermAggregate* body;
TSelectionControl control; // selection control hint
};
enum TVisit