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
42 struct draw_fragment_shader *
draw_create_fragment_shader(struct draw_context * draw,const struct pipe_shader_state * shader)43 draw_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
61 void
draw_bind_fragment_shader(struct draw_context * draw,struct draw_fragment_shader * dfs)62 draw_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
71 void
draw_delete_fragment_shader(struct draw_context * draw,struct draw_fragment_shader * dfs)72 draw_delete_fragment_shader(struct draw_context *draw,
73 struct draw_fragment_shader *dfs)
74 {
75 FREE(dfs);
76 }
77
78