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 uint16_t clean_mask;
56 struct virgl_hw_res *hw_res;
57 struct virgl_resource_metadata metadata;
58
59 /* For PIPE_BUFFER only. Data outside of this range are uninitialized. */
60 struct util_range valid_buffer_range;
61
62 /* This mask indicates where the resource has been bound to, excluding
63 * pipe_surface binds.
64 *
65 * This is more accurate than pipe_resource::bind. Besides,
66 * pipe_resource::bind can be 0 with direct state access, and is not
67 * usable.
68 */
69 unsigned bind_history;
70 uint32_t blob_mem;
71 };
72
73 struct virgl_transfer {
74 struct pipe_transfer base;
75 uint32_t offset, l_stride;
76 struct util_range range;
77 struct list_head queue_link;
78 struct pipe_transfer *resolve_transfer;
79
80 struct virgl_hw_res *hw_res;
81 void *hw_res_map;
82 /* If not NULL, denotes that this is a copy transfer, i.e.,
83 * that the transfer source data should be taken from this
84 * resource instead of the original transfer resource.
85 */
86 struct virgl_hw_res *copy_src_hw_res;
87 /* The offset in the copy source resource to copy data from. */
88 uint32_t copy_src_offset;
89 };
90
91 void virgl_resource_destroy(struct pipe_screen *screen,
92 struct pipe_resource *resource);
93
94 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
95
96 void virgl_init_context_resource_functions(struct pipe_context *ctx);
97
98 void virgl_texture_init(struct virgl_resource *res);
99
virgl_resource(struct pipe_resource * r)100 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
101 {
102 return (struct virgl_resource *)r;
103 }
104
virgl_transfer(struct pipe_transfer * trans)105 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
106 {
107 return (struct virgl_transfer *)trans;
108 }
109
110 void virgl_buffer_transfer_flush_region(struct pipe_context *ctx,
111 struct pipe_transfer *transfer,
112 const struct pipe_box *box);
113
114 void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
115 struct pipe_transfer *transfer);
116
117 void virgl_buffer_init(struct virgl_resource *res);
118
pipe_to_virgl_bind(const struct virgl_screen * vs,unsigned pbind)119 static inline unsigned pipe_to_virgl_bind(const struct virgl_screen *vs,
120 unsigned pbind)
121 {
122 unsigned outbind = 0;
123 if (pbind & PIPE_BIND_DEPTH_STENCIL)
124 outbind |= VIRGL_BIND_DEPTH_STENCIL;
125 if (pbind & PIPE_BIND_RENDER_TARGET)
126 outbind |= VIRGL_BIND_RENDER_TARGET;
127 if (pbind & PIPE_BIND_SAMPLER_VIEW)
128 outbind |= VIRGL_BIND_SAMPLER_VIEW;
129 if (pbind & PIPE_BIND_VERTEX_BUFFER)
130 outbind |= VIRGL_BIND_VERTEX_BUFFER;
131 if (pbind & PIPE_BIND_INDEX_BUFFER)
132 outbind |= VIRGL_BIND_INDEX_BUFFER;
133 if (pbind & PIPE_BIND_CONSTANT_BUFFER)
134 outbind |= VIRGL_BIND_CONSTANT_BUFFER;
135 if (pbind & PIPE_BIND_DISPLAY_TARGET)
136 outbind |= VIRGL_BIND_DISPLAY_TARGET;
137 if (pbind & PIPE_BIND_STREAM_OUTPUT)
138 outbind |= VIRGL_BIND_STREAM_OUTPUT;
139 if (pbind & PIPE_BIND_CURSOR)
140 outbind |= VIRGL_BIND_CURSOR;
141 if (pbind & PIPE_BIND_CUSTOM)
142 outbind |= VIRGL_BIND_CUSTOM;
143 if (pbind & PIPE_BIND_SCANOUT)
144 outbind |= VIRGL_BIND_SCANOUT;
145 if (pbind & PIPE_BIND_SHARED)
146 outbind |= VIRGL_BIND_SHARED;
147 if (pbind & PIPE_BIND_SHADER_BUFFER)
148 outbind |= VIRGL_BIND_SHADER_BUFFER;
149 if (pbind & PIPE_BIND_QUERY_BUFFER)
150 outbind |= VIRGL_BIND_QUERY_BUFFER;
151 if (pbind & PIPE_BIND_COMMAND_ARGS_BUFFER)
152 if (vs->caps.caps.v2.capability_bits & VIRGL_CAP_BIND_COMMAND_ARGS)
153 outbind |= VIRGL_BIND_COMMAND_ARGS;
154
155 /* Staging resources should only be created directly through the winsys,
156 * not using pipe_resources.
157 */
158 assert(!(outbind & VIRGL_BIND_STAGING));
159
160 return outbind;
161 }
162
pipe_to_virgl_flags(const struct virgl_screen * vs,unsigned pflags)163 static inline unsigned pipe_to_virgl_flags(const struct virgl_screen *vs,
164 unsigned pflags)
165 {
166 unsigned out_flags = 0;
167 if (pflags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
168 out_flags |= VIRGL_RESOURCE_FLAG_MAP_PERSISTENT;
169
170 if (pflags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
171 out_flags |= VIRGL_RESOURCE_FLAG_MAP_COHERENT;
172
173 return out_flags;
174 }
175
176 void *
177 virgl_resource_transfer_map(struct pipe_context *ctx,
178 struct pipe_resource *resource,
179 unsigned level,
180 unsigned usage,
181 const struct pipe_box *box,
182 struct pipe_transfer **transfer);
183
184 struct virgl_transfer *
185 virgl_resource_create_transfer(struct virgl_context *vctx,
186 struct pipe_resource *pres,
187 const struct virgl_resource_metadata *metadata,
188 unsigned level, unsigned usage,
189 const struct pipe_box *box);
190
191 void virgl_resource_destroy_transfer(struct virgl_context *vctx,
192 struct virgl_transfer *trans);
193
194 void virgl_resource_destroy(struct pipe_screen *screen,
195 struct pipe_resource *resource);
196
197 bool virgl_resource_get_handle(struct pipe_screen *screen,
198 struct pipe_context *context,
199 struct pipe_resource *resource,
200 struct winsys_handle *whandle,
201 unsigned usage);
202
203 void virgl_resource_dirty(struct virgl_resource *res, uint32_t level);
204
205 void *virgl_texture_transfer_map(struct pipe_context *ctx,
206 struct pipe_resource *resource,
207 unsigned level,
208 unsigned usage,
209 const struct pipe_box *box,
210 struct pipe_transfer **transfer);
211
212 void virgl_texture_transfer_unmap(struct pipe_context *ctx,
213 struct pipe_transfer *transfer);
214
215 #endif
216