1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
29 */
30 #include "lp_context.h"
31 #include "lp_state.h"
32 #include "draw/draw_context.h"
33
34
35 static void
llvmpipe_set_clip_state(struct pipe_context * pipe,const struct pipe_clip_state * clip)36 llvmpipe_set_clip_state(struct pipe_context *pipe,
37 const struct pipe_clip_state *clip)
38 {
39 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
40
41 /* pass the clip state to the draw module */
42 draw_set_clip_state(llvmpipe->draw, clip);
43 }
44
45
46 static void
llvmpipe_set_viewport_state(struct pipe_context * pipe,const struct pipe_viewport_state * viewport)47 llvmpipe_set_viewport_state(struct pipe_context *pipe,
48 const struct pipe_viewport_state *viewport)
49 {
50 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
51
52 /* pass the viewport info to the draw module */
53 draw_set_viewport_state(llvmpipe->draw, viewport);
54
55 llvmpipe->viewport = *viewport; /* struct copy */
56 llvmpipe->dirty |= LP_NEW_VIEWPORT;
57 }
58
59
60 static void
llvmpipe_set_scissor_state(struct pipe_context * pipe,const struct pipe_scissor_state * scissor)61 llvmpipe_set_scissor_state(struct pipe_context *pipe,
62 const struct pipe_scissor_state *scissor)
63 {
64 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
65
66 draw_flush(llvmpipe->draw);
67
68 llvmpipe->scissor = *scissor; /* struct copy */
69 llvmpipe->dirty |= LP_NEW_SCISSOR;
70 }
71
72
73 static void
llvmpipe_set_polygon_stipple(struct pipe_context * pipe,const struct pipe_poly_stipple * stipple)74 llvmpipe_set_polygon_stipple(struct pipe_context *pipe,
75 const struct pipe_poly_stipple *stipple)
76 {
77 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
78
79 draw_flush(llvmpipe->draw);
80
81 llvmpipe->poly_stipple = *stipple; /* struct copy */
82 llvmpipe->dirty |= LP_NEW_STIPPLE;
83 }
84
85
86
87 void
llvmpipe_init_clip_funcs(struct llvmpipe_context * llvmpipe)88 llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe)
89 {
90 llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state;
91 llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple;
92 llvmpipe->pipe.set_scissor_state = llvmpipe_set_scissor_state;
93 llvmpipe->pipe.set_viewport_state = llvmpipe_set_viewport_state;
94 }
95