From eb33dd69540d9d14acc42102f14dcc7d0075943f Mon Sep 17 00:00:00 2001
From: Zack Rusin <zackr@vmware.com>
Date: Thu, 17 Jun 2010 10:54:44 -0400
Subject: draw: implement line strip adjacency

---
 src/gallium/auxiliary/draw/draw_gs_tmp.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/gallium/auxiliary/draw')

diff --git a/src/gallium/auxiliary/draw/draw_gs_tmp.h b/src/gallium/auxiliary/draw/draw_gs_tmp.h
index 04f51a6b44..4687e8823c 100644
--- a/src/gallium/auxiliary/draw/draw_gs_tmp.h
+++ b/src/gallium/auxiliary/draw/draw_gs_tmp.h
@@ -112,6 +112,11 @@ static void FUNC( struct draw_geometry_shader *shader,
          LINE_ADJ( shader , i + 0 , i + 1, i + 2, i + 3 );
       }
       break;
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+      for (i = 1; i + 2 < count; i++) {
+         LINE( shader, i - 1, i, i + 1, i + 2 );
+      }
+      break;
 
    default:
       debug_assert(!"Unsupported primitive in geometry shader");
-- 
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