From de7c3fe31a7b88a5392dceee3b13b45ed78cdeae Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Fri, 27 Aug 2010 13:59:49 -0700 Subject: glsl2: Add module to perform simple loop unrolling --- src/glsl/loop_controls.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/glsl/loop_controls.cpp') diff --git a/src/glsl/loop_controls.cpp b/src/glsl/loop_controls.cpp index f2e1ecb904d..d6a1e33fdb5 100644 --- a/src/glsl/loop_controls.cpp +++ b/src/glsl/loop_controls.cpp @@ -182,7 +182,7 @@ loop_control_visitor::visit_leave(ir_loop *ir) * i is a loop induction variable, c is a constant, and < is any relative * operator. */ - int max_iterations = INT_MAX; + int max_iterations = (ls->max_iterations < 0) ? INT_MAX : ls->max_iterations; foreach_list(node, &ls->terminators) { loop_terminator *t = (loop_terminator *) node; ir_if *if_stmt = t->ir; @@ -276,6 +276,8 @@ loop_control_visitor::visit_leave(ir_loop *ir) */ if (max_iterations == 0) ir->remove(); + else + ls->max_iterations = max_iterations; return visit_continue; } -- cgit v1.2.3