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_BUFMGR_H
25 #define D3D12_BUFMGR_H
26
27 #include "pipebuffer/pb_buffer.h"
28 #include "util/u_atomic.h"
29 #include "util/list.h"
30
31 #include "d3d12_common.h"
32 #include "d3d12_resource_state.h"
33
34 struct d3d12_bufmgr;
35 struct d3d12_screen;
36 struct pb_manager;
37
38 enum d3d12_residency_status {
39 d3d12_evicted,
40 d3d12_resident,
41 d3d12_permanently_resident,
42 };
43
44 struct d3d12_bo {
45 struct pipe_reference reference;
46 struct d3d12_screen *screen;
47 ID3D12Resource *res;
48 struct pb_buffer *buffer;
49 struct d3d12_resource_state global_state;
50
51 /* Used as a key in per-context resource state maps,
52 * to avoid needing to lock them for single-threaded lookups to
53 * protect against resource destruction.
54 */
55 uint64_t unique_id;
56
57 struct list_head residency_list_entry;
58 uint64_t estimated_size;
59 int64_t last_used_timestamp;
60 uint64_t last_used_fence;
61 enum d3d12_residency_status residency_status;
62 };
63
64 struct d3d12_buffer {
65 struct pb_buffer base;
66
67 struct d3d12_bo *bo;
68 D3D12_RANGE range;
69 void *map;
70 };
71
72 static inline struct d3d12_buffer *
d3d12_buffer(struct pb_buffer * buf)73 d3d12_buffer(struct pb_buffer *buf)
74 {
75 assert(buf);
76 return (struct d3d12_buffer *)buf;
77 }
78
79 static inline struct d3d12_bo *
d3d12_bo_get_base(struct d3d12_bo * bo,uint64_t * offset)80 d3d12_bo_get_base(struct d3d12_bo *bo, uint64_t *offset)
81 {
82 if (bo->buffer) {
83 struct pb_buffer *base_buffer;
84 pb_get_base_buffer(bo->buffer, &base_buffer, offset);
85 return d3d12_buffer(base_buffer)->bo;
86 } else {
87 *offset = 0;
88 return bo;
89 }
90 }
91
92 static inline uint64_t
d3d12_bo_get_size(struct d3d12_bo * bo)93 d3d12_bo_get_size(struct d3d12_bo *bo)
94 {
95 if (bo->buffer)
96 return bo->buffer->size;
97 else
98 return GetDesc(bo->res).Width;
99 }
100
101 static inline bool
d3d12_bo_is_suballocated(struct d3d12_bo * bo)102 d3d12_bo_is_suballocated(struct d3d12_bo *bo)
103 {
104 struct d3d12_bo *base_bo;
105 uint64_t offset;
106
107 if (!bo->buffer)
108 return false;
109
110 base_bo = d3d12_bo_get_base(bo, &offset);
111 return d3d12_bo_get_size(base_bo) != d3d12_bo_get_size(bo);
112 }
113
114 struct d3d12_bo *
115 d3d12_bo_new(struct d3d12_screen *screen, uint64_t size, uint64_t alignment);
116
117 struct d3d12_bo *
118 d3d12_bo_wrap_res(struct d3d12_screen *screen, ID3D12Resource *res, enum d3d12_residency_status residency);
119
120 struct d3d12_bo *
121 d3d12_bo_wrap_buffer(struct d3d12_screen *screen, struct pb_buffer *buf);
122
123 void
124 d3d12_debug_describe_bo(char* buf, struct d3d12_bo* ptr);
125
126 static inline void
d3d12_bo_reference(struct d3d12_bo * bo)127 d3d12_bo_reference(struct d3d12_bo *bo)
128 {
129 pipe_reference_described(NULL, &bo->reference,
130 (debug_reference_descriptor)
131 d3d12_debug_describe_bo);
132 }
133
134 void
135 d3d12_bo_unreference(struct d3d12_bo *bo);
136
137 void *
138 d3d12_bo_map(struct d3d12_bo *bo, D3D12_RANGE *range);
139
140 void
141 d3d12_bo_unmap(struct d3d12_bo *bo, D3D12_RANGE *range);
142
143 struct pb_manager *
144 d3d12_bufmgr_create(struct d3d12_screen *screen);
145
146 #endif
147