1 /**********************************************************
2 * Copyright 2008-2022 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #include "nir/nir_to_tgsi.h"
27 #include "util/u_inlines.h"
28 #include "util/u_math.h"
29 #include "util/u_memory.h"
30 #include "util/u_bitmask.h"
31 #include "tgsi/tgsi_parse.h"
32 #include "draw/draw_context.h"
33
34 #include "svga_context.h"
35 #include "svga_hw_reg.h"
36 #include "svga_cmd.h"
37 #include "svga_debug.h"
38 #include "svga_shader.h"
39
40
41 void *
svga_create_fs_state(struct pipe_context * pipe,const struct pipe_shader_state * templ)42 svga_create_fs_state(struct pipe_context *pipe,
43 const struct pipe_shader_state *templ)
44 {
45 struct svga_context *svga = svga_context(pipe);
46 struct svga_fragment_shader *fs;
47
48 SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CREATEFS);
49
50 fs = (struct svga_fragment_shader *)
51 svga_create_shader(pipe, templ, PIPE_SHADER_FRAGMENT,
52 sizeof(struct svga_fragment_shader));
53 if (!fs)
54 goto done;
55
56 /* Original shader IR could have been deleted if it is converted from
57 * NIR to TGSI. So need to explicitly set the shader state type to TGSI
58 * before passing it to draw.
59 */
60 struct pipe_shader_state tmp = *templ;
61 tmp.type = PIPE_SHADER_IR_TGSI;
62 tmp.tokens = fs->base.tokens;
63
64 fs->generic_inputs = svga_get_generic_inputs_mask(&fs->base.tgsi_info);
65
66 fs->base.get_dummy_shader = svga_get_compiled_dummy_fragment_shader;
67
68 svga_remap_generics(fs->base.info.generic_inputs_mask,
69 fs->generic_remap_table);
70
71 fs->draw_shader = draw_create_fragment_shader(svga->swtnl.draw, &tmp);
72
73 done:
74 SVGA_STATS_TIME_POP(svga_sws(svga));
75 return fs;
76 }
77
78
79 void
svga_bind_fs_state(struct pipe_context * pipe,void * shader)80 svga_bind_fs_state(struct pipe_context *pipe, void *shader)
81 {
82 struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
83 struct svga_context *svga = svga_context(pipe);
84
85 svga->curr.fs = fs;
86 svga->dirty |= SVGA_NEW_FS;
87 }
88
89
90 static void
svga_delete_fs_state(struct pipe_context * pipe,void * shader)91 svga_delete_fs_state(struct pipe_context *pipe, void *shader)
92 {
93 struct svga_context *svga = svga_context(pipe);
94 struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
95 struct svga_fragment_shader *next_fs;
96 struct svga_shader_variant *variant, *tmp;
97
98 svga_hwtnl_flush_retry(svga);
99
100 assert(fs->base.parent == NULL);
101
102 while (fs) {
103 next_fs = (struct svga_fragment_shader *) fs->base.next;
104
105 draw_delete_fragment_shader(svga->swtnl.draw, fs->draw_shader);
106
107 for (variant = fs->base.variants; variant; variant = tmp) {
108 tmp = variant->next;
109
110 /* Check if deleting currently bound shader */
111 if (variant == svga->state.hw_draw.fs) {
112 SVGA_RETRY(svga, svga_set_shader(svga, SVGA3D_SHADERTYPE_PS, NULL));
113 svga->state.hw_draw.fs = NULL;
114 }
115
116 svga_destroy_shader_variant(svga, variant);
117 }
118
119 FREE((void *)fs->base.tokens);
120 FREE(fs);
121 fs = next_fs;
122 }
123 }
124
125
126 void
svga_init_fs_functions(struct svga_context * svga)127 svga_init_fs_functions(struct svga_context *svga)
128 {
129 svga->pipe.create_fs_state = svga_create_fs_state;
130 svga->pipe.bind_fs_state = svga_bind_fs_state;
131 svga->pipe.delete_fs_state = svga_delete_fs_state;
132 }
133