1 /*
2 * Copyright © Microsoft Corporation
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, sublicense,
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 next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * 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 NONINFRINGEMENT. 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 DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifndef D3D12_RESOURCE_STATE_H
25 #define D3D12_RESOURCE_STATE_H
26
27 #include <stdbool.h>
28 #include <stdint.h>
29
30 #include "d3d12_common.h"
31
32 #include "util/hash_table.h"
33
34 struct d3d12_context;
35
36 const D3D12_RESOURCE_STATES RESOURCE_STATE_ALL_WRITE_BITS =
37 D3D12_RESOURCE_STATE_RENDER_TARGET | D3D12_RESOURCE_STATE_UNORDERED_ACCESS | D3D12_RESOURCE_STATE_DEPTH_WRITE |
38 D3D12_RESOURCE_STATE_STREAM_OUT | D3D12_RESOURCE_STATE_COPY_DEST | D3D12_RESOURCE_STATE_RESOLVE_DEST |
39 D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE | D3D12_RESOURCE_STATE_VIDEO_PROCESS_WRITE;
40
41 inline bool
d3d12_is_write_state(D3D12_RESOURCE_STATES state)42 d3d12_is_write_state(D3D12_RESOURCE_STATES state)
43 {
44 return (state & RESOURCE_STATE_ALL_WRITE_BITS) != D3D12_RESOURCE_STATE_COMMON;
45 }
46
47 inline bool
d3d12_resource_supports_simultaneous_access(const D3D12_RESOURCE_DESC * desc)48 d3d12_resource_supports_simultaneous_access(const D3D12_RESOURCE_DESC *desc)
49 {
50 return desc->Dimension == D3D12_RESOURCE_DIMENSION_BUFFER ||
51 (desc->Flags & D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS) != D3D12_RESOURCE_FLAG_NONE;
52 }
53
54 struct d3d12_subresource_state
55 {
56 D3D12_RESOURCE_STATES state;
57 uint64_t execution_id;
58 bool is_promoted;
59 bool may_decay;
60 };
61
62 /* Stores the current state of either an entire resource, or each subresource */
63 struct d3d12_resource_state
64 {
65 bool homogenous;
66 bool supports_simultaneous_access;
67 uint32_t num_subresources;
68 d3d12_subresource_state *subresource_states;
69 };
70
71 bool
72 d3d12_resource_state_init(d3d12_resource_state *state, uint32_t subresource_count, bool simultaneous_access);
73
74 void
75 d3d12_resource_state_cleanup(d3d12_resource_state *state);
76
77 void
78 d3d12_context_state_table_init(struct d3d12_context *ctx);
79
80 void
81 d3d12_context_state_table_destroy(struct d3d12_context *ctx);
82
83 bool
84 d3d12_context_state_resolve_submission(struct d3d12_context *ctx, struct d3d12_batch *batch);
85
86 #endif // D3D12_RESOURCE_STATE_H
87