1 /*
2 * Copyright 2014, 2015 Red Hat.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24 #ifndef VIRGL_RESOURCE_H
25 #define VIRGL_RESOURCE_H
26
27 #include "util/u_resource.h"
28 #include "util/u_range.h"
29 #include "util/list.h"
30 #include "util/u_transfer.h"
31
32 #include "virtio-gpu/virgl_hw.h"
33 #include "virgl_screen.h"
34 #define VR_MAX_TEXTURE_2D_LEVELS 15
35
36 #define VIRGL_BLOB_MEM_GUEST 1
37 #define VIRGL_BLOB_MEM_HOST3D 2
38 #define VIRGL_BLOB_MEM_HOST3D_GUEST 3
39
40 struct winsys_handle;
41 struct virgl_screen;
42 struct virgl_context;
43
44 struct virgl_resource_metadata
45 {
46 unsigned long level_offset[VR_MAX_TEXTURE_2D_LEVELS];
47 unsigned stride[VR_MAX_TEXTURE_2D_LEVELS];
48 unsigned layer_stride[VR_MAX_TEXTURE_2D_LEVELS];
49 uint32_t plane, plane_offset, total_size;
50 uint64_t modifier;
51 };
52
53 struct virgl_resource {
54 struct pipe_resource b;
55 struct virgl_hw_res *hw_res;
56 struct virgl_resource_metadata metadata;
57
58 /* For PIPE_BUFFER only. Data outside of this range are uninitialized. */
59 struct util_range valid_buffer_range;
60
61 /* This mask indicates where the resource has been bound to, excluding
62 * pipe_surface binds.
63 *
64 * This is more accurate than pipe_resource::bind. Besides,
65 * pipe_resource::bind can be 0 with direct state access, and is not
66 * usable.
67 */
68 unsigned bind_history;
69 uint32_t blob_mem;
70
71 uint16_t clean_mask;
72 uint16_t use_staging : 1;
73 uint16_t reserved : 15;
74 };
75
76 struct virgl_transfer {
77 struct pipe_transfer base;
78 uint32_t offset, l_stride;
79 struct util_range range;
80 struct list_head queue_link;
81 struct pipe_transfer *resolve_transfer;
82
83 struct virgl_hw_res *hw_res;
84 void *hw_res_map;
85 /* If not NULL, denotes that this is a copy transfer, i.e.,
86 * that the transfer source data should be taken from this
87 * resource instead of the original transfer resource.
88 */
89 struct virgl_hw_res *copy_src_hw_res;
90 /* The offset in the copy source resource to copy data from. */
91 uint32_t copy_src_offset;
92 /* copy transfers can be performed to and from host */
93 uint32_t direction;
94 };
95
96 void virgl_resource_destroy(struct pipe_screen *screen,
97 struct pipe_resource *resource);
98
99 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
100
101 void virgl_init_context_resource_functions(struct pipe_context *ctx);
102
103 void virgl_texture_init(struct virgl_resource *res);
104
virgl_resource(struct pipe_resource * r)105 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
106 {
107 return (struct virgl_resource *)r;
108 }
109
virgl_transfer(struct pipe_transfer * trans)110 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
111 {
112 return (struct virgl_transfer *)trans;
113 }
114
115 void virgl_buffer_transfer_flush_region(struct pipe_context *ctx,
116 struct pipe_transfer *transfer,
117 const struct pipe_box *box);
118
119 void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
120 struct pipe_transfer *transfer);
121
122 void virgl_buffer_init(struct virgl_resource *res);
123
pipe_to_virgl_bind(const struct virgl_screen * vs,unsigned pbind)124 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs,
125 unsigned pbind)
126 {
127 unsigned outbind = 0;
128 if (pbind & PIPE_BIND_DEPTH_STENCIL)
129 outbind |= VIRGL_BIND_DEPTH_STENCIL;
130 if (pbind & PIPE_BIND_RENDER_TARGET)
131 outbind |= VIRGL_BIND_RENDER_TARGET;
132 if (pbind & PIPE_BIND_SAMPLER_VIEW)
133 outbind |= VIRGL_BIND_SAMPLER_VIEW;
134 if (pbind & PIPE_BIND_VERTEX_BUFFER)
135 outbind |= VIRGL_BIND_VERTEX_BUFFER;
136 if (pbind & PIPE_BIND_INDEX_BUFFER)
137 outbind |= VIRGL_BIND_INDEX_BUFFER;
138 if (pbind & PIPE_BIND_CONSTANT_BUFFER)
139 outbind |= VIRGL_BIND_CONSTANT_BUFFER;
140 if (pbind & PIPE_BIND_DISPLAY_TARGET)
141 outbind |= VIRGL_BIND_DISPLAY_TARGET;
142 if (pbind & PIPE_BIND_STREAM_OUTPUT)
143 outbind |= VIRGL_BIND_STREAM_OUTPUT;
144 if (pbind & PIPE_BIND_CURSOR)
145 outbind |= VIRGL_BIND_CURSOR;
146 if (pbind & PIPE_BIND_CUSTOM)
147 outbind |= VIRGL_BIND_CUSTOM;
148 if (pbind & PIPE_BIND_SCANOUT)
149 outbind |= VIRGL_BIND_SCANOUT;
150 if (pbind & PIPE_BIND_SHARED)
151 outbind |= VIRGL_BIND_SHARED;
152 if (pbind & PIPE_BIND_SHADER_BUFFER)
153 outbind |= VIRGL_BIND_SHADER_BUFFER;
154 if (pbind & PIPE_BIND_QUERY_BUFFER)
155 outbind |= VIRGL_BIND_QUERY_BUFFER;
156 if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
157 if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
158 outbind |= VIRGL_BIND_COMMAND_ARGS;
159
160 /* Staging resources should only be created directly through the winsys,
161 * not using pipe_resources.
162 */
163 assert(!(outbind & VIRGL_BIND_STAGING));
164
165 return outbind;
166 }
167
pipe_to_virgl_flags(const struct virgl_screen * vs,unsigned pflags)168 static inline unsigned pipe_to_virgl_flags(const struct virgl_screen *vs,
169 unsigned pflags)
170 {
171 unsigned out_flags = 0;
172 if (pflags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
173 out_flags |= VIRGL_RESOURCE_FLAG_MAP_PERSISTENT;
174
175 if (pflags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
176 out_flags |= VIRGL_RESOURCE_FLAG_MAP_COHERENT;
177
178 return out_flags;
179 }
180
181 void *
182 virgl_resource_transfer_map(struct pipe_context *ctx,
183 struct pipe_resource *resource,
184 unsigned level,
185 unsigned usage,
186 const struct pipe_box *box,
187 struct pipe_transfer **transfer);
188
189 struct virgl_transfer *
190 virgl_resource_create_transfer(struct virgl_context *vctx,
191 struct pipe_resource *pres,
192 const struct virgl_resource_metadata *metadata,
193 unsigned level, unsigned usage,
194 const struct pipe_box *box);
195
196 void virgl_resource_destroy_transfer(struct virgl_context *vctx,
197 struct virgl_transfer *trans);
198
199 void virgl_resource_destroy(struct pipe_screen *screen,
200 struct pipe_resource *resource);
201
202 bool virgl_resource_get_handle(struct pipe_screen *screen,
203 struct pipe_context *context,
204 struct pipe_resource *resource,
205 struct winsys_handle *whandle,
206 unsigned usage);
207
208 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
209
210 void *virgl_texture_transfer_map(struct pipe_context *ctx,
211 struct pipe_resource *resource,
212 unsigned level,
213 unsigned usage,
214 const struct pipe_box *box,
215 struct pipe_transfer **transfer);
216
217 void virgl_texture_transfer_unmap(struct pipe_context *ctx,
218 struct pipe_transfer *transfer);
219
220 #endif
221