i965: minor context comments

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index d9dc3d5..00d5980 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -438,9 +438,13 @@ struct brw_query_object {
    unsigned int count;
 };
 
+
+/**
+ * brw_context is derived from intel_context.
+ */
 struct brw_context 
 {
-   struct intel_context intel;
+   struct intel_context intel;  /**< base class, must be first field */
    GLuint primitive;
 
    GLboolean emit_state_always;