1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
37 #include "pipe/p_defines.h"
39 static INLINE boolean
u_validate_pipe_prim( unsigned pipe_prim
, unsigned nr
)
44 case PIPE_PRIM_POINTS
:
50 case PIPE_PRIM_LINE_STRIP
:
51 case PIPE_PRIM_LINE_LOOP
:
54 case PIPE_PRIM_TRIANGLES
:
57 case PIPE_PRIM_TRIANGLE_STRIP
:
58 case PIPE_PRIM_TRIANGLE_FAN
:
59 case PIPE_PRIM_POLYGON
:
65 case PIPE_PRIM_QUAD_STRIP
:
77 static INLINE boolean
u_trim_pipe_prim( unsigned pipe_prim
, unsigned *nr
)
82 case PIPE_PRIM_POINTS
:
89 case PIPE_PRIM_LINE_STRIP
:
90 case PIPE_PRIM_LINE_LOOP
:
93 case PIPE_PRIM_TRIANGLES
:
97 case PIPE_PRIM_TRIANGLE_STRIP
:
98 case PIPE_PRIM_TRIANGLE_FAN
:
99 case PIPE_PRIM_POLYGON
:
102 case PIPE_PRIM_QUADS
:
106 case PIPE_PRIM_QUAD_STRIP
:
122 static INLINE
unsigned u_reduced_prim( unsigned pipe_prim
)
125 case PIPE_PRIM_POINTS
:
126 return PIPE_PRIM_POINTS
;
128 case PIPE_PRIM_LINES
:
129 case PIPE_PRIM_LINE_STRIP
:
130 case PIPE_PRIM_LINE_LOOP
:
131 return PIPE_PRIM_LINES
;
134 return PIPE_PRIM_TRIANGLES
;
138 static INLINE
unsigned
139 u_vertices_per_prim(int primitive
)
142 case PIPE_PRIM_POINTS
:
144 case PIPE_PRIM_LINES
:
145 case PIPE_PRIM_LINE_LOOP
:
146 case PIPE_PRIM_LINE_STRIP
:
148 case PIPE_PRIM_TRIANGLES
:
149 case PIPE_PRIM_TRIANGLE_STRIP
:
150 case PIPE_PRIM_TRIANGLE_FAN
:
152 case PIPE_PRIM_LINES_ADJACENCY
:
153 case PIPE_PRIM_LINE_STRIP_ADJACENCY
:
155 case PIPE_PRIM_TRIANGLES_ADJACENCY
:
156 case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
:
159 /* following primitives should never be used
160 * with geometry shaders abd their size is
162 case PIPE_PRIM_POLYGON
:
163 case PIPE_PRIM_QUADS
:
164 case PIPE_PRIM_QUAD_STRIP
:
166 debug_printf("Unrecognized geometry shader primitive");
171 const char *u_prim_name( unsigned pipe_prim
);