diff options
| author | Eric Anholt <[email protected]> | 2011-01-17 22:07:55 -0800 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2011-01-18 10:17:37 -0800 |
| commit | 58c988ada56114b56477983f66b4039219f1a82c (patch) | |
| tree | 0599f47a88746a3176894b9b492ade28bf5f37ed /src/glsl/glsl_parser_extras.cpp | |
| parent | 754b9c5363aa7ae5f47c88c78790b3fe35c07403 (diff) | |
glsl: Skip the rest of loop unrolling if no loops were found.
Shaves 1.6% (+/- 1.0%) off of ff_fragment_shader glean texCombine time
(n=5).
Diffstat (limited to 'src/glsl/glsl_parser_extras.cpp')
| -rw-r--r-- | src/glsl/glsl_parser_extras.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index cbeacd5633f..77885d4e1e3 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -748,8 +748,10 @@ do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iteration progress = optimize_redundant_jumps(ir) || progress; loop_state *ls = analyze_loop_variables(ir); - progress = set_loop_controls(ir, ls) || progress; - progress = unroll_loops(ir, ls, max_unroll_iterations) || progress; + if (ls->loop_found) { + progress = set_loop_controls(ir, ls) || progress; + progress = unroll_loops(ir, ls, max_unroll_iterations) || progress; + } delete ls; return progress; |