1/**************************************************************************
2 *
3 * Copyright 2010 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#include "pipe/p_shader_tokens.h"
29
30#include "util/u_math.h"
31#include "util/u_memory.h"
32#include "util/u_prim.h"
33
34#include "tgsi/tgsi_parse.h"
35#include "nir/nir_to_tgsi_info.h"
36
37#include "draw_fs.h"
38#include "draw_private.h"
39#include "draw_context.h"
40
41
42struct draw_fragment_shader *
43draw_create_fragment_shader(struct draw_context *draw,
44                            const struct pipe_shader_state *shader)
45{
46   struct draw_fragment_shader *dfs;
47
48   dfs = CALLOC_STRUCT(draw_fragment_shader);
49   if (dfs) {
50      dfs->base = *shader;
51      if (shader->type == PIPE_SHADER_IR_TGSI)
52         tgsi_scan_shader(shader->tokens, &dfs->info);
53      else
54         nir_tgsi_scan_shader(shader->ir.nir, &dfs->info, true);
55   }
56
57   return dfs;
58}
59
60
61void
62draw_bind_fragment_shader(struct draw_context *draw,
63                          struct draw_fragment_shader *dfs)
64{
65   draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
66
67   draw->fs.fragment_shader = dfs;
68}
69
70
71void
72draw_delete_fragment_shader(struct draw_context *draw,
73                            struct draw_fragment_shader *dfs)
74{
75   FREE(dfs);
76}
77
78