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IR print visitor: print ir_dereference instructions

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Also make a slight change to ir_variable.  The ir_dereference tracks
the number of nested dereferences.  If an ir_variable is visited and
the count is non-zero, just print the name of the variable.
This commit is contained in:
Ian Romanick 2010-03-25 17:38:13 -07:00
parent 6e7c278e24
commit 8c70a62193
2 changed files with 53 additions and 14 deletions
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63
ir_print_visitor.cpp
View file

@ -47,21 +47,24 @@ print_type(const glsl_type *t)
void ir_print_visitor::visit(ir_variable *ir)
{
printf("(declare ");
if (deref_depth) {
printf("(%s)", ir->name);
} else {
printf("(declare ");
const char *const cent = (ir->centroid) ? "centroid " : "";
const char *const inv = (ir->invariant) ? "invariant " : "";
const char *const mode[] = { "", "uniform ", "in ", "out ", "inout " };
const char *const interp[] = { "", "flat", "noperspective" };
const char *const cent = (ir->centroid) ? "centroid " : "";
const char *const inv = (ir->invariant) ? "invariant " : "";
const char *const mode[] = { "", "uniform ", "in ", "out ", "inout " };
const char *const interp[] = { "", "flat", "noperspective" };
printf("(%s%s%s%s) ",
cent, inv, mode[ir->mode], interp[ir->interpolation]);
printf("(%s%s%s%s) ",
cent, inv, mode[ir->mode], interp[ir->interpolation]);
printf("(");
print_type(ir->type);
printf(") ");
printf("(%s))\n", ir->name);
printf("(");
print_type(ir->type);
printf(") ");
printf("(%s))\n", ir->name);
}
}
@ -94,8 +97,40 @@ void ir_print_visitor::visit(ir_expression *ir)
void ir_print_visitor::visit(ir_dereference *ir)
{
printf("%s:%d:\n", __func__, __LINE__);
(void) ir;
deref_depth++;
switch (ir->mode) {
case ir_dereference::ir_reference_variable: {
const unsigned swiz[4] = {
ir->selector.swizzle.x,
ir->selector.swizzle.y,
ir->selector.swizzle.z,
ir->selector.swizzle.w,
};
printf("(var_ref ");
ir->var->accept(this);
printf("(");
for (unsigned i = 0; i < ir->selector.swizzle.num_components; i++) {
printf("%c", "xyzw"[swiz[i]]);
}
printf("))\n");
break;
}
case ir_dereference::ir_reference_array:
printf("(array_ref ");
ir->var->accept(this);
ir->selector.array_index->accept(this);
printf(")\n");
break;
case ir_dereference::ir_reference_record:
printf("(record_ref ");
ir->var->accept(this);
printf("(%s))\n", ir->selector.field);
break;
}
deref_depth--;
}

4
ir_print_visitor.h
View file

@ -35,6 +35,7 @@
class ir_print_visitor : public ir_visitor {
public:
ir_print_visitor()
: deref_depth(0)
{
/* empty */
}
@ -63,6 +64,9 @@ public:
virtual void visit(ir_call *);
virtual void visit(ir_return *);
/*@}*/
private:
int deref_depth;
};
#endif /* IR_PRINT_VISITOR_H */