sl/pp: re-do extension testing code

The #extension directive should not effect which extension preprocessor
symbols are defined/undefined; only whether/how the compiler accepts
language features defined by the extension.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/glsl/pp/sl_pp_public.h b/src/glsl/pp/sl_pp_public.h
index ca6f722543d..e4ad80d0b2a 100644
--- a/src/glsl/pp/sl_pp_public.h
+++ b/src/glsl/pp/sl_pp_public.h
@@ -55,6 +55,10 @@ int
 sl_pp_context_add_extension(struct sl_pp_context *context,
                             const char *name);
 
+enum sl_pp_extension_state
+sl_pp_get_extension_state(const struct sl_pp_context *context,
+                          int extension_name);
+
 int
 sl_pp_context_add_predefined(struct sl_pp_context *context,
                              const char *name,