Add utility function to get the name of a shader target

diff --git a/glsl_parser_extras.cpp b/glsl_parser_extras.cpp
index 877b165..335a058 100644 (file)
--- a/glsl_parser_extras.cpp
+++ b/glsl_parser_extras.cpp
@@ -37,6 +37,19 @@
 #include "ir_constant_folding.h"
 #include "ir_print_visitor.h"
 
+const char *
+_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target)
+{
+   switch (target) {
+   case vertex_shader:   return "vertex";
+   case fragment_shader: return "fragment";
+   case geometry_shader: return "geometry";
+   }
+
+   assert(!"Should not get here.");
+}
+
+
 void
 _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state,
                 const char *fmt, ...)

diff --git a/glsl_parser_extras.h b/glsl_parser_extras.h
index 373d295..2f33bea 100644 (file)
--- a/glsl_parser_extras.h
+++ b/glsl_parser_extras.h
@@ -85,4 +85,10 @@ extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc,
 
 extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *);
 
+/**
+ * Get the textual name of the specified shader target
+ */
+extern const char *
+_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target);
+
 #endif /* GLSL_PARSER_EXTRAS_H */