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glsl: Add some comments to methods of ir_variable_refcount_visitor

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It was not obvious from the just the .h file what the hash table
contained.  It was also not obvious that get_variable_entry would create
a new entry in the hash table.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Ian Romanick
2016-11-07 14:24:39 -08:00
parent 1492633070
commit fbc1a4b7d2
1 changed files with 6 additions and 0 deletions
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6
src/compiler/glsl/ir_variable_refcount.h
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@@ -72,8 +72,14 @@ public:
virtual ir_visitor_status visit_enter(ir_function_signature *); virtual ir_visitor_status visit_enter(ir_function_signature *);
virtual ir_visitor_status visit_leave(ir_assignment *); virtual ir_visitor_status visit_leave(ir_assignment *);
/**
* Find variable in the hash table, and insert it if not present
*/
ir_variable_refcount_entry *get_variable_entry(ir_variable *var); ir_variable_refcount_entry *get_variable_entry(ir_variable *var);
/**
* Hash table mapping ir_variable to ir_variable_refcount_entry.
*/
struct hash_table *ht; struct hash_table *ht;
void *mem_ctx; void *mem_ctx;