summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
blob: 6df3ef25b0ee8a024d46966652f3f1717b033548 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "lp_context.h"
#include "lp_state.h"
#include "lp_setup.h"
#include "draw/draw_context.h"



void *
llvmpipe_create_rasterizer_state(struct pipe_context *pipe,
                                 const struct pipe_rasterizer_state *rast)
{
   return mem_dup(rast, sizeof(*rast));
}

void llvmpipe_bind_rasterizer_state(struct pipe_context *pipe,
                                    void *rasterizer)
{
   struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);

   if (llvmpipe->rasterizer == rasterizer)
      return;

   /* pass-through to draw module */
   draw_set_rasterizer_state(llvmpipe->draw, rasterizer);

   llvmpipe->rasterizer = rasterizer;

   /* Note: we can immediately set the triangle state here and
    * not worry about binning because we handle culling during
    * triangle setup, not when rasterizing the bins.
    */
   if (llvmpipe->rasterizer) {
      lp_setup_set_triangle_state( llvmpipe->setup,
                   llvmpipe->rasterizer->cull_mode,
                   llvmpipe->rasterizer->front_winding == PIPE_WINDING_CCW,
                   llvmpipe->rasterizer->scissor,
                   llvmpipe->rasterizer->gl_rasterization_rules);
   }

   llvmpipe->dirty |= LP_NEW_RASTERIZER;
}

void llvmpipe_delete_rasterizer_state(struct pipe_context *pipe,
                                      void *rasterizer)
{
   FREE( rasterizer );
}