1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.com>
29 */
30 #include "sp_context.h"
31 #include "sp_state.h"
32 #include "draw/draw_context.h"
33
34
35 static void
softpipe_set_clip_state(struct pipe_context * pipe,const struct pipe_clip_state * clip)36 softpipe_set_clip_state(struct pipe_context *pipe,
37 const struct pipe_clip_state *clip)
38 {
39 struct softpipe_context *softpipe = softpipe_context(pipe);
40
41 /* pass the clip state to the draw module */
42 draw_set_clip_state(softpipe->draw, clip);
43 }
44
45
46 static void
softpipe_set_viewport_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_viewports,const struct pipe_viewport_state * viewports)47 softpipe_set_viewport_states(struct pipe_context *pipe,
48 unsigned start_slot,
49 unsigned num_viewports,
50 const struct pipe_viewport_state *viewports)
51 {
52 struct softpipe_context *softpipe = softpipe_context(pipe);
53
54 /* pass the viewport info to the draw module */
55 draw_set_viewport_states(softpipe->draw, start_slot, num_viewports,
56 viewports);
57
58 memcpy(softpipe->viewports + start_slot, viewports,
59 sizeof(struct pipe_viewport_state) * num_viewports);
60 softpipe->dirty |= SP_NEW_VIEWPORT;
61 }
62
63
64 static void
softpipe_set_scissor_states(struct pipe_context * pipe,unsigned start_slot,unsigned num_scissors,const struct pipe_scissor_state * scissors)65 softpipe_set_scissor_states(struct pipe_context *pipe,
66 unsigned start_slot,
67 unsigned num_scissors,
68 const struct pipe_scissor_state *scissors)
69 {
70 struct softpipe_context *softpipe = softpipe_context(pipe);
71
72 draw_flush(softpipe->draw);
73
74 debug_assert(start_slot < PIPE_MAX_VIEWPORTS);
75 debug_assert((start_slot + num_scissors) <= PIPE_MAX_VIEWPORTS);
76
77 memcpy(softpipe->scissors + start_slot, scissors,
78 sizeof(struct pipe_scissor_state) * num_scissors);
79 softpipe->dirty |= SP_NEW_SCISSOR;
80 }
81
82
83 static void
softpipe_set_polygon_stipple(struct pipe_context * pipe,const struct pipe_poly_stipple * stipple)84 softpipe_set_polygon_stipple(struct pipe_context *pipe,
85 const struct pipe_poly_stipple *stipple)
86 {
87 struct softpipe_context *softpipe = softpipe_context(pipe);
88
89 draw_flush(softpipe->draw);
90
91 softpipe->poly_stipple = *stipple; /* struct copy */
92 softpipe->dirty |= SP_NEW_STIPPLE;
93 }
94
95
96 void
softpipe_init_clip_funcs(struct pipe_context * pipe)97 softpipe_init_clip_funcs(struct pipe_context *pipe)
98 {
99 pipe->set_clip_state = softpipe_set_clip_state;
100 pipe->set_viewport_states = softpipe_set_viewport_states;
101 pipe->set_scissor_states = softpipe_set_scissor_states;
102 pipe->set_polygon_stipple = softpipe_set_polygon_stipple;
103 }
104