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glsl/lower_if: conditionally lower if-branches based on their size

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák
2016-07-03 17:11:07 +02:00
parent 83d9b8a6f6
commit e33440070a
2 changed files with 50 additions and 7 deletions
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src/compiler/glsl/ir_optimization.h
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@@ -109,7 +109,7 @@ bool do_if_simplification(exec_list *instructions);
bool opt_flatten_nested_if_blocks(exec_list *instructions);
bool do_discard_simplification(exec_list *instructions);
bool lower_if_to_cond_assign(gl_shader_stage stage, exec_list *instructions,
unsigned max_depth = 0);
unsigned max_depth = 0, unsigned min_branch_cost = 0);
bool do_mat_op_to_vec(exec_list *instructions);
bool do_minmax_prune(exec_list *instructions);
bool do_noop_swizzle(exec_list *instructions);