1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 */
26
27 #ifndef H_ETNAVIV_SHADER
28 #define H_ETNAVIV_SHADER
29
30 #include "pipe/p_state.h"
31 #include "util/disk_cache.h"
32
33 struct etna_context;
34 struct etna_shader_variant;
35 struct nir_shader;
36
37 struct etna_shader_key
38 {
39 union {
40 struct {
41 /*
42 * Combined Vertex/Fragment shader parameters:
43 */
44
45 /* do we need to swap rb in frag color? */
46 unsigned frag_rb_swap : 1;
47 /* do we need to invert front facing value? */
48 unsigned front_ccw : 1;
49 };
50 uint32_t global;
51 };
52 };
53
54 static inline bool
etna_shader_key_equal(struct etna_shader_key * a,struct etna_shader_key * b)55 etna_shader_key_equal(struct etna_shader_key *a, struct etna_shader_key *b)
56 {
57 STATIC_ASSERT(sizeof(struct etna_shader_key) <= sizeof(a->global));
58
59 return a->global == b->global;
60 }
61
62 struct etna_shader {
63 /* shader id (for debug): */
64 uint32_t id;
65 uint32_t variant_count;
66
67 struct tgsi_token *tokens;
68 struct nir_shader *nir;
69 const struct etna_specs *specs;
70 struct etna_compiler *compiler;
71
72 struct etna_shader_variant *variants;
73
74 cache_key cache_key; /* shader disk-cache key */
75 };
76
77 bool
78 etna_shader_link(struct etna_context *ctx);
79
80 bool
81 etna_shader_update_vertex(struct etna_context *ctx);
82
83 struct etna_shader_variant *
84 etna_shader_variant(struct etna_shader *shader, struct etna_shader_key key,
85 struct pipe_debug_callback *debug);
86
87 void
88 etna_shader_init(struct pipe_context *pctx);
89
90 #endif
91