glsl: Factor out code that generates block of index comparisons

Reviewed-by: Eric Anholt <eric@anholt.net>
2011-07-18 18:48:39 -07:00
parent 156f85336f
commit 90cc372400
2 changed files with 73 additions and 42 deletions
--- a/src/glsl/ir_optimization.h
+++ b/src/glsl/ir_optimization.h
@@ -69,3 +69,7 @@ bool lower_variable_index_to_cond_assign(exec_list *instructions,
    bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform);
 bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz);
 bool optimize_redundant_jumps(exec_list *instructions);
+
+ir_rvalue *
+compare_index_block(exec_list *instructions, ir_variable *index,
+		    unsigned base, unsigned components, void *mem_ctx);