fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 15:38:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Perform constant folding on array indices.

Browse source 
Replaces a constant var deref with a constant value in CorrectParse1.frag.
This commit is contained in:
Eric Anholt 2010-04-06 11:11:05 -07:00
parent af18641f0a
commit bae5be356e
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
ir_constant_folding.cpp
View file

@ -88,7 +88,14 @@ ir_constant_folding_visitor::visit(ir_swizzle *ir)
void void
ir_constant_folding_visitor::visit(ir_dereference *ir) ir_constant_folding_visitor::visit(ir_dereference *ir)
{ {
(void) ir; if (ir->mode == ir_dereference::ir_reference_array) {
ir_constant *const_val = ir->selector.array_index->constant_expression_value();
if (const_val)
ir->selector.array_index = const_val;
else
ir->selector.array_index->accept(this);
}
ir->var->accept(this);
} }