1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 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.
26 **************************************************************************/
28 /* Authors: Keith Whitwell <keithw@vmware.com>
30 #include "lp_context.h"
32 #include "draw/draw_context.h"
36 llvmpipe_set_clip_state(struct pipe_context
*pipe
,
37 const struct pipe_clip_state
*clip
)
39 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
41 /* pass the clip state to the draw module */
42 draw_set_clip_state(llvmpipe
->draw
, clip
);
47 llvmpipe_set_viewport_states(struct pipe_context
*pipe
,
49 unsigned num_viewports
,
50 const struct pipe_viewport_state
*viewports
)
52 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
54 /* pass the viewport info to the draw module */
55 draw_set_viewport_states(llvmpipe
->draw
, start_slot
, num_viewports
,
58 memcpy(llvmpipe
->viewports
+ start_slot
, viewports
,
59 sizeof(struct pipe_viewport_state
) * num_viewports
);
60 llvmpipe
->dirty
|= LP_NEW_VIEWPORT
;
65 llvmpipe_set_scissor_states(struct pipe_context
*pipe
,
67 unsigned num_scissors
,
68 const struct pipe_scissor_state
*scissors
)
70 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
72 draw_flush(llvmpipe
->draw
);
74 debug_assert(start_slot
< PIPE_MAX_VIEWPORTS
);
75 debug_assert((start_slot
+ num_scissors
) <= PIPE_MAX_VIEWPORTS
);
77 memcpy(llvmpipe
->scissors
+ start_slot
, scissors
,
78 sizeof(struct pipe_scissor_state
) * num_scissors
);
80 llvmpipe
->dirty
|= LP_NEW_SCISSOR
;
85 llvmpipe_set_polygon_stipple(struct pipe_context
*pipe
,
86 const struct pipe_poly_stipple
*stipple
)
88 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
90 draw_flush(llvmpipe
->draw
);
92 llvmpipe
->poly_stipple
= *stipple
; /* struct copy */
93 llvmpipe
->dirty
|= LP_NEW_STIPPLE
;
99 llvmpipe_init_clip_funcs(struct llvmpipe_context
*llvmpipe
)
101 llvmpipe
->pipe
.set_clip_state
= llvmpipe_set_clip_state
;
102 llvmpipe
->pipe
.set_polygon_stipple
= llvmpipe_set_polygon_stipple
;
103 llvmpipe
->pipe
.set_scissor_states
= llvmpipe_set_scissor_states
;
104 llvmpipe
->pipe
.set_viewport_states
= llvmpipe_set_viewport_states
;