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glsl: Don't choke when printing an anonymous function parameter

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NOTE: This is a candidate for the 7.10 and 7.11 branches.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38584
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick
2011-06-24 17:30:41 -07:00
parent dbda466fc0
commit 174cef7fee
1 changed files with 10 additions and 0 deletions
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10
src/glsl/ir_print_visitor.cpp
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@@ -96,6 +96,16 @@ void ir_print_visitor::indent(void)
const char * const char *
ir_print_visitor::unique_name(ir_variable *var) ir_print_visitor::unique_name(ir_variable *var)
{ {
/* var->name can be NULL in function prototypes when a type is given for a
* parameter but no name is given. In that case, just return an empty
* string. Don't worry about tracking the generated name in the printable
* names hash because this is the only scope where it can ever appear.
*/
if (var->name == NULL) {
static unsigned arg = 1;
return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++);
}
/* Do we already have a name for this variable? */ /* Do we already have a name for this variable? */
const char *name = (const char *) hash_table_find(this->printable_names, var); const char *name = (const char *) hash_table_find(this->printable_names, var);
if (name != NULL) if (name != NULL)