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glsl2: Return a real progress value from constant folding.

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This commit is contained in:
Eric Anholt
2010-08-04 16:07:41 -07:00
parent 3d23f0a90c
commit 6ecf62f673
1 changed files with 6 additions and 3 deletions
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9
src/glsl/ir_constant_folding.cpp
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@@ -39,7 +39,7 @@ class ir_constant_folding_visitor : public ir_visitor {
public: public:
ir_constant_folding_visitor() ir_constant_folding_visitor()
{ {
/* empty */ this->progress = false;
} }
virtual ~ir_constant_folding_visitor() virtual ~ir_constant_folding_visitor()
@@ -75,6 +75,8 @@ public:
/*@}*/ /*@}*/
void fold_constant(ir_rvalue **rvalue); void fold_constant(ir_rvalue **rvalue);
bool progress;
}; };
void void
@@ -86,6 +88,7 @@ ir_constant_folding_visitor::fold_constant(ir_rvalue **rvalue)
ir_constant *constant = (*rvalue)->constant_expression_value(); ir_constant *constant = (*rvalue)->constant_expression_value();
if (constant) { if (constant) {
*rvalue = constant; *rvalue = constant;
this->progress = true;
} else { } else {
(*rvalue)->accept(this); (*rvalue)->accept(this);
} }
@@ -178,6 +181,7 @@ ir_constant_folding_visitor::visit(ir_assignment *ir)
else else
ir->remove(); ir->remove();
} }
this->progress = true;
} }
} }
@@ -240,6 +244,5 @@ do_constant_folding(exec_list *instructions)
visit_exec_list(instructions, &constant_folding); visit_exec_list(instructions, &constant_folding);
/* FINISHME: Return real progress. */ return constant_folding.progress;
return false;
} }