Add EXT_vertex_cull support to mesa

1 files changed, 7 insertions, 4 deletions

diff --git a/src/mesa/tnl/t_vb_render.c b/src/mesa/tnl/t_vb_render.c
index 1c501689683..f8e41f5d9be 100644
--- a/src/mesa/tnl/t_vb_render.c
+++ b/src/mesa/tnl/t_vb_render.c
@@ -77,6 +77,9 @@
 #define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val
 
 
+#define CLIPMASK (CLIP_ALL_BITS|CLIP_CULL_BIT)
+
+
 /* Vertices, with the possibility of clipping.
  */
 #define RENDER_POINTS( start, count ) \
@@ -88,7 +91,7 @@ do {						\
    GLubyte ormask = c1|c2;			\
    if (!ormask)					\
       LineFunc( ctx, v1, v2 );			\
-   else if (!(c1 & c2 & 0x3f))			\
+   else if (!(c1 & c2 & CLIPMASK))			\
       clip_line_4( ctx, v1, v2, ormask );	\
 } while (0)
 
@@ -98,7 +101,7 @@ do {							\
    GLubyte ormask = c1|c2|c3;				\
    if (!ormask)						\
       TriangleFunc( ctx, v1, v2, v3 );			\
-   else if (!(c1 & c2 & c3 & 0x3f)) 			\
+   else if (!(c1 & c2 & c3 & CLIPMASK)) 			\
       clip_tri_4( ctx, v1, v2, v3, ormask );    	\
 } while (0)
 
@@ -109,7 +112,7 @@ do {							\
    GLubyte ormask = c1|c2|c3|c4;			\
    if (!ormask)						\
       QuadFunc( ctx, v1, v2, v3, v4 );			\
-   else if (!(c1 & c2 & c3 & c4 & 0x3f)) 		\
+   else if (!(c1 & c2 & c3 & c4 & CLIPMASK)) 		\
       clip_quad_4( ctx, v1, v2, v3, v4, ormask );	\
 } while (0)
 
@@ -170,7 +173,7 @@ static void clip_elt_triangles( GLcontext *ctx,
       if (ormask) {
 	 if (start < j)
 	    render_tris( ctx, start, j, 0 );
-	 if (!(c1&c2&c3&0x3f))
+	 if (!(c1&c2&c3&CLIPMASK))
 	    clip_tri_4( ctx, elt[j], elt[j+1], elt[j+2], ormask );
 	 start = j+3;
       }