lp_state_rasterizer.c revision 080703e398f737b71336312fd3dc8d6f38f61e51 
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#include "pipe/p_defines.h"
29#include "util/u_memory.h"
30#include "lp_context.h"
31#include "lp_state.h"
32#include "draw/draw_context.h"
33
34
35
36void *
37llvmpipe_create_rasterizer_state(struct pipe_context *pipe,
38                                 const struct pipe_rasterizer_state *rast)
39{
40   return mem_dup(rast, sizeof(*rast));
41}
42
43void llvmpipe_bind_rasterizer_state(struct pipe_context *pipe,
44                                    void *rasterizer)
45{
46   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
47
48   if (llvmpipe->rasterizer == rasterizer)
49      return;
50
51   /* pass-through to draw module */
52   draw_set_rasterizer_state(llvmpipe->draw, rasterizer);
53
54   llvmpipe->rasterizer = rasterizer;
55
56   llvmpipe->dirty |= LP_NEW_RASTERIZER;
57}
58
59void llvmpipe_delete_rasterizer_state(struct pipe_context *pipe,
60                                      void *rasterizer)
61{
62   FREE( rasterizer );
63}
64
65
66