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 "virgl_hw.h"
33 #define VR_MAX_TEXTURE_2D_LEVELS 15
34
35 struct winsys_handle;
36 struct virgl_screen;
37 struct virgl_context;
38
39 struct virgl_resource {
40 struct u_resource u;
41 struct virgl_hw_res *hw_res;
42 boolean clean;
43 };
44
45 struct virgl_buffer {
46 struct virgl_resource base;
47
48 struct list_head flush_list;
49 boolean on_list;
50
51 /* The buffer range which is initialized (with a write transfer,
52 * streamout, DMA, or as a random access target). The rest of
53 * the buffer is considered invalid and can be mapped unsynchronized.
54 *
55 * This allows unsychronized mapping of a buffer range which hasn't
56 * been used yet. It's for applications which forget to use
57 * the unsynchronized map flag and expect the driver to figure it out.
58 */
59 struct util_range valid_buffer_range;
60 };
61
62 struct virgl_texture {
63 struct virgl_resource base;
64
65 unsigned long level_offset[VR_MAX_TEXTURE_2D_LEVELS];
66 unsigned stride[VR_MAX_TEXTURE_2D_LEVELS];
67 };
68
69 struct virgl_transfer {
70 struct pipe_transfer base;
71 uint32_t offset;
72 struct virgl_resource *resolve_tmp;
73 };
74
75 void virgl_resource_destroy(struct pipe_screen *screen,
76 struct pipe_resource *resource);
77
78 void virgl_init_screen_resource_functions(struct pipe_screen *screen);
79
80 void virgl_init_context_resource_functions(struct pipe_context *ctx);
81
82 struct pipe_resource *virgl_texture_create(struct virgl_screen *vs,
83 const struct pipe_resource *templ);
84
85 struct pipe_resource *virgl_texture_from_handle(struct virgl_screen *vs,
86 const struct pipe_resource *templ,
87 struct winsys_handle *whandle);
88
virgl_resource(struct pipe_resource * r)89 static inline struct virgl_resource *virgl_resource(struct pipe_resource *r)
90 {
91 return (struct virgl_resource *)r;
92 }
93
virgl_buffer(struct pipe_resource * r)94 static inline struct virgl_buffer *virgl_buffer(struct pipe_resource *r)
95 {
96 return (struct virgl_buffer *)r;
97 }
98
virgl_texture(struct pipe_resource * r)99 static inline struct virgl_texture *virgl_texture(struct pipe_resource *r)
100 {
101 return (struct virgl_texture *)r;
102 }
103
virgl_transfer(struct pipe_transfer * trans)104 static inline struct virgl_transfer *virgl_transfer(struct pipe_transfer *trans)
105 {
106 return (struct virgl_transfer *)trans;
107 }
108
109 struct pipe_resource *virgl_buffer_create(struct virgl_screen *vs,
110 const struct pipe_resource *templ);
111
pipe_to_virgl_bind(unsigned pbind)112 static inline unsigned pipe_to_virgl_bind(unsigned pbind)
113 {
114 unsigned outbind = 0;
115 if (pbind & PIPE_BIND_DEPTH_STENCIL)
116 outbind |= VIRGL_BIND_DEPTH_STENCIL;
117 if (pbind & PIPE_BIND_RENDER_TARGET)
118 outbind |= VIRGL_BIND_RENDER_TARGET;
119 if (pbind & PIPE_BIND_SAMPLER_VIEW)
120 outbind |= VIRGL_BIND_SAMPLER_VIEW;
121 if (pbind & PIPE_BIND_VERTEX_BUFFER)
122 outbind |= VIRGL_BIND_VERTEX_BUFFER;
123 if (pbind & PIPE_BIND_INDEX_BUFFER)
124 outbind |= VIRGL_BIND_INDEX_BUFFER;
125 if (pbind & PIPE_BIND_CONSTANT_BUFFER)
126 outbind |= VIRGL_BIND_CONSTANT_BUFFER;
127 if (pbind & PIPE_BIND_DISPLAY_TARGET)
128 outbind |= VIRGL_BIND_DISPLAY_TARGET;
129 if (pbind & PIPE_BIND_STREAM_OUTPUT)
130 outbind |= VIRGL_BIND_STREAM_OUTPUT;
131 if (pbind & PIPE_BIND_CURSOR)
132 outbind |= VIRGL_BIND_CURSOR;
133 if (pbind & PIPE_BIND_CUSTOM)
134 outbind |= VIRGL_BIND_CUSTOM;
135 if (pbind & PIPE_BIND_SCANOUT)
136 outbind |= VIRGL_BIND_SCANOUT;
137 return outbind;
138 }
139
140 bool virgl_res_needs_flush_wait(struct virgl_context *vctx,
141 struct virgl_resource *res,
142 unsigned usage);
143 bool virgl_res_needs_readback(struct virgl_context *vctx,
144 struct virgl_resource *res,
145 unsigned usage);
146 #endif
147