}
}
+static INLINE unsigned
+u_vertices_per_prim(int primitive)
+{
+ switch(primitive) {
+ case PIPE_PRIM_POINTS:
+ return 1;
+ case PIPE_PRIM_LINES:
+ case PIPE_PRIM_LINE_LOOP:
+ case PIPE_PRIM_LINE_STRIP:
+ return 2;
+ case PIPE_PRIM_TRIANGLES:
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ case PIPE_PRIM_TRIANGLE_FAN:
+ return 3;
+ case PIPE_PRIM_LINES_ADJACENCY:
+ case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+ return 4;
+ case PIPE_PRIM_TRIANGLES_ADJACENCY:
+ case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+ return 6;
+
+ /* following primitives should never be used
+ * with geometry shaders abd their size is
+ * undefined */
+ case PIPE_PRIM_POLYGON:
+ case PIPE_PRIM_QUADS:
+ case PIPE_PRIM_QUAD_STRIP:
+ default:
+ debug_printf("Unrecognized geometry shader primitive");
+ return 3;
+ }
+}
+
+const char *u_prim_name( unsigned pipe_prim );
+
#endif