r300: document r300_fragment_program_cont struct

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index 32104b8158b..f40e8ac3949 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -569,7 +569,12 @@ struct r300_fragment_program {
 };
 
 struct r300_fragment_program_cont {
+	/* This is the unmodified fragment program mesa provided us with.
+	 * We need to keep it unchanged because we may need to create another
+	 * hw specific fragment program based on this
+	 */
 	struct gl_fragment_program Base;
+	/* This is the list of hw specific fragment programs derived from Base */
 	struct r300_fragment_program *progs;
 };