fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 09:38:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

ir_expression_flattening: Handle flattening values out of swizzles, too.

Browse source 
Fixes an uninlined normalize() in CorrectSwizzle2.vert.
This commit is contained in:
Eric Anholt 2010-05-06 14:48:20 -07:00
parent 459e4a286c
commit f8bb17260a
1 changed files with 30 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
ir_expression_flattening.cpp
View file

@ -59,6 +59,7 @@ public:
virtual ir_visitor_status visit_enter(ir_if *);
virtual ir_visitor_status visit_enter(ir_loop *);
virtual ir_visitor_status visit_leave(ir_expression *);
virtual ir_visitor_status visit_leave(ir_swizzle *);
bool (*predicate)(ir_instruction *ir);
ir_instruction *base_ir;
@ -76,6 +77,24 @@ do_expression_flattening(exec_list *instructions,
}
}
static ir_rvalue *
operand_to_temp(ir_instruction *base_ir, ir_rvalue *ir)
{
ir_variable *var;
ir_assignment *assign;
var = new ir_variable(ir->type, "flattening_tmp");
base_ir->insert_before(var);
assign = new ir_assignment(new ir_dereference_variable(var),
ir,
NULL);
base_ir->insert_before(assign);
return new ir_dereference_variable(var);
}
ir_visitor_status
ir_expression_flattening_visitor::visit_enter(ir_function_signature *ir)
{
@ -113,24 +132,23 @@ ir_expression_flattening_visitor::visit_leave(ir_expression *ir)
* value to a temporary and deref the temporary as the operand.
*/
if (this->predicate(ir->operands[operand])) {
ir_variable *var;
ir_assignment *assign;
var = new ir_variable(ir->operands[operand]->type, "flattening_tmp");
this->base_ir->insert_before(var);
assign = new ir_assignment(new ir_dereference_variable(var),
ir->operands[operand],
NULL);
this->base_ir->insert_before(assign);
ir->operands[operand] = new ir_dereference_variable(var);
ir->operands[operand] = operand_to_temp(base_ir,
ir->operands[operand]);
}
}
return visit_continue;
}
ir_visitor_status
ir_expression_flattening_visitor::visit_leave(ir_swizzle *ir)
{
if (this->predicate(ir->val)) {
ir->val = operand_to_temp(this->base_ir, ir->val);
}
return visit_continue;
}
ir_visitor_status
ir_expression_flattening_visitor::visit_enter(ir_call *ir)