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glsl: update default precision qualifier when it is set in the shader

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Default precision qualifier for a data type could be set several times
inside a shader. This patch allows to update the default precision
qualifier for the given type that is saved in the symbol table.

If it is not in the symbol table, just add it.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97804
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This commit is contained in:
Samuel Iglesias Gonsálvez
2016-10-21 08:23:59 +02:00
parent dfbdb2c0b3
commit 0e742926c6
1 changed files with 4 additions and 1 deletions
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5
src/compiler/glsl/glsl_symbol_table.cpp
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@@ -213,7 +213,10 @@ bool glsl_symbol_table::add_default_precision_qualifier(const char *type_name,
symbol_table_entry *entry =
new(mem_ctx) symbol_table_entry(default_specifier);
return _mesa_symbol_table_add_symbol(table, name, entry) == 0;
if (!get_entry(name))
return _mesa_symbol_table_add_symbol(table, name, entry) == 0;
return _mesa_symbol_table_replace_symbol(table, name, entry) == 0;
}
void glsl_symbol_table::add_global_function(ir_function *f)