From f4fbda35b001aac22342596f4beafd9539f2ebb9 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Tue, 1 Nov 2005 17:29:46 +0000
Subject: Add a NotifyInputChanges() callback so that drivers (particularly tnl
 drivers) can track when the sizes or strides of incoming VB->AttribPtr arrays
 have changed.

---
 src/mesa/tnl/t_pipeline.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/mesa/tnl/t_pipeline.c')

diff --git a/src/mesa/tnl/t_pipeline.c b/src/mesa/tnl/t_pipeline.c
index 61bfed290e..2a87f950ce 100644
--- a/src/mesa/tnl/t_pipeline.c
+++ b/src/mesa/tnl/t_pipeline.c
@@ -90,6 +90,10 @@ static GLuint check_input_changes( GLcontext *ctx )
       }
    }
 
+   if (tnl->pipeline.input_changes &&
+      tnl->Driver.NotifyInputChanges) 
+      tnl->Driver.NotifyInputChanges( ctx, tnl->pipeline.input_changes );
+
    return tnl->pipeline.input_changes;
 }
 
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