glsl: Make a function to express a GLSL version ir human-readable form.

This will be useful in generating more helpful error messages,
especially with the addition of GLSL 3.00 ES support.

[v2, idr]: Rename ctx parameter to mem_ctx

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Carl Worth <cworth@cworth.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 0b208f6..5bad5a9 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -56,6 +56,9 @@ struct glsl_switch_state {
    bool is_switch_innermost; // if switch stmt is closest to break, ...
 };
 
+const char *
+glsl_compute_version_string(void *mem_ctx, bool is_es, unsigned version);
+
 struct _mesa_glsl_parse_state {
    _mesa_glsl_parse_state(struct gl_context *_ctx, GLenum target,
 			  void *mem_ctx);