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 enum batch_bo_reference_state {
45 batch_bo_reference_none = 0,
46 batch_bo_reference_read = (1 << 0),
47 batch_bo_reference_written = (1 << 1),
48 };
49
50 struct d3d12_bo {
51 struct pipe_reference reference;
52 struct d3d12_screen *screen;
53 ID3D12Resource *res;
54 struct pb_buffer *buffer;
55 struct d3d12_resource_state global_state;
56
57 /* Used as a key in per-context resource state maps,
58 * to avoid needing to lock them for single-threaded lookups to
59 * protect against resource destruction.
60 */
61 uint64_t unique_id;
62
63 struct list_head residency_list_entry;
64 uint64_t estimated_size;
65 int64_t last_used_timestamp;
66 uint64_t last_used_fence;
67 enum d3d12_residency_status residency_status;
68 uint16_t local_needs_resolve_state;
69
70 unsigned local_context_state_mask;
71 uint8_t local_reference_mask[16];
72
73 d3d12_context_state_table_entry local_context_states[16];
74 uint8_t local_reference_state[16][8];
75 };
76
77 struct d3d12_buffer {
78 struct pb_buffer base;
79
80 struct d3d12_bo *bo;
81 D3D12_RANGE range;
82 void *map;
83 };
84
85 static inline struct d3d12_buffer *
d3d12_buffer(struct pb_buffer * buf)86 d3d12_buffer(struct pb_buffer *buf)
87 {
88 assert(buf);
89 return (struct d3d12_buffer *)buf;
90 }
91
92 static inline struct d3d12_bo *
d3d12_bo_get_base(struct d3d12_bo * bo,uint64_t * offset)93 d3d12_bo_get_base(struct d3d12_bo *bo, uint64_t *offset)
94 {
95 if (bo->buffer) {
96 struct pb_buffer *base_buffer;
97 pb_get_base_buffer(bo->buffer, &base_buffer, offset);
98 return d3d12_buffer(base_buffer)->bo;
99 } else {
100 *offset = 0;
101 return bo;
102 }
103 }
104
105 static inline uint64_t
d3d12_bo_get_size(struct d3d12_bo * bo)106 d3d12_bo_get_size(struct d3d12_bo *bo)
107 {
108 if (bo->buffer)
109 return bo->buffer->base.size;
110 else
111 return GetDesc(bo->res).Width;
112 }
113
114 static inline bool
d3d12_bo_is_suballocated(struct d3d12_bo * bo)115 d3d12_bo_is_suballocated(struct d3d12_bo *bo)
116 {
117 struct d3d12_bo *base_bo;
118 uint64_t offset;
119
120 if (!bo->buffer)
121 return false;
122
123 base_bo = d3d12_bo_get_base(bo, &offset);
124 return d3d12_bo_get_size(base_bo) != d3d12_bo_get_size(bo);
125 }
126
127 struct d3d12_bo *
128 d3d12_bo_new(struct d3d12_screen *screen, uint64_t size, uint64_t alignment);
129
130 struct d3d12_bo *
131 d3d12_bo_wrap_res(struct d3d12_screen *screen, ID3D12Resource *res, enum d3d12_residency_status residency);
132
133 struct d3d12_bo *
134 d3d12_bo_wrap_buffer(struct d3d12_screen *screen, struct pb_buffer *buf);
135
136 void
137 d3d12_debug_describe_bo(char* buf, struct d3d12_bo* ptr);
138
139 static inline void
d3d12_bo_reference(struct d3d12_bo * bo)140 d3d12_bo_reference(struct d3d12_bo *bo)
141 {
142 pipe_reference_described(NULL, &bo->reference,
143 (debug_reference_descriptor)
144 d3d12_debug_describe_bo);
145 }
146
147 void
148 d3d12_bo_unreference(struct d3d12_bo *bo);
149
150 void *
151 d3d12_bo_map(struct d3d12_bo *bo, D3D12_RANGE *range);
152
153 void
154 d3d12_bo_unmap(struct d3d12_bo *bo, D3D12_RANGE *range);
155
156 struct pb_manager *
157 d3d12_bufmgr_create(struct d3d12_screen *screen);
158
159 #endif
160