1 /**************************************************************************
3 * Copyright 2007 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 **************************************************************************/
28 #include "pipe/p_defines.h"
29 #include "util/u_memory.h"
30 #include "lp_context.h"
33 #include "draw/draw_context.h"
38 llvmpipe_create_rasterizer_state(struct pipe_context
*pipe
,
39 const struct pipe_rasterizer_state
*rast
)
41 /* We do nothing special with rasterizer state.
42 * The CSO handle is just a pointer to a pipe_rasterizer_state object.
44 return mem_dup(rast
, sizeof(*rast
));
50 llvmpipe_bind_rasterizer_state(struct pipe_context
*pipe
, void *handle
)
52 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
53 const struct pipe_rasterizer_state
*rasterizer
=
54 (const struct pipe_rasterizer_state
*) handle
;
56 if (llvmpipe
->rasterizer
== rasterizer
)
59 /* pass-through to draw module */
60 draw_set_rasterizer_state(llvmpipe
->draw
, rasterizer
, handle
);
62 llvmpipe
->rasterizer
= rasterizer
;
64 /* Note: we can immediately set the triangle state here and
65 * not worry about binning because we handle culling during
66 * triangle setup, not when rasterizing the bins.
68 if (llvmpipe
->rasterizer
) {
69 lp_setup_set_triangle_state( llvmpipe
->setup
,
70 llvmpipe
->rasterizer
->cull_face
,
71 llvmpipe
->rasterizer
->front_ccw
,
72 llvmpipe
->rasterizer
->scissor
,
73 llvmpipe
->rasterizer
->gl_rasterization_rules
);
74 lp_setup_set_flatshade_first( llvmpipe
->setup
,
75 llvmpipe
->rasterizer
->flatshade_first
);
76 lp_setup_set_line_state( llvmpipe
->setup
,
77 llvmpipe
->rasterizer
->line_width
);
78 lp_setup_set_point_state( llvmpipe
->setup
,
79 llvmpipe
->rasterizer
->point_size
,
80 llvmpipe
->rasterizer
->point_size_per_vertex
,
81 llvmpipe
->rasterizer
->sprite_coord_enable
,
82 llvmpipe
->rasterizer
->sprite_coord_mode
);
85 llvmpipe
->dirty
|= LP_NEW_RASTERIZER
;
90 llvmpipe_delete_rasterizer_state(struct pipe_context
*pipe
,
99 llvmpipe_init_rasterizer_funcs(struct llvmpipe_context
*llvmpipe
)
101 llvmpipe
->pipe
.create_rasterizer_state
= llvmpipe_create_rasterizer_state
;
102 llvmpipe
->pipe
.bind_rasterizer_state
= llvmpipe_bind_rasterizer_state
;
103 llvmpipe
->pipe
.delete_rasterizer_state
= llvmpipe_delete_rasterizer_state
;