1/*
2 * Copyright 2021 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25/* This deduplicates pipe_vertex_state CSOs to enable draw merging in
26 * u_threaded_context because the draw merging is possible only if different
27 * display lists use the same pipe_vertex_state CSO.
28 */
29
30#ifndef U_VERTEX_STATE_CACHE_H
31#define U_VERTEX_STATE_CACHE_H
32
33#include "util/simple_mtx.h"
34#include "pipe/p_screen.h"
35#include "pipe/p_state.h"
36
37struct util_vertex_state_cache {
38   simple_mtx_t lock;
39   struct set *set;
40
41   pipe_create_vertex_state_func create;
42   pipe_vertex_state_destroy_func destroy;
43};
44
45void
46util_vertex_state_cache_init(struct util_vertex_state_cache *cache,
47                             pipe_create_vertex_state_func create,
48                             pipe_vertex_state_destroy_func destroy);
49
50void
51util_vertex_state_cache_deinit(struct util_vertex_state_cache *cache);
52
53struct pipe_vertex_state *
54util_vertex_state_cache_get(struct pipe_screen *screen,
55                            struct pipe_vertex_buffer *buffer,
56                            const struct pipe_vertex_element *elements,
57                            unsigned num_elements,
58                            struct pipe_resource *indexbuf,
59                            uint32_t full_velem_mask,
60                            struct util_vertex_state_cache *cache);
61
62void
63util_vertex_state_destroy(struct pipe_screen *screen,
64                          struct util_vertex_state_cache *cache,
65                          struct pipe_vertex_state *state);
66
67#endif
68