aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/virgl/virgl_winsys.h
blob: bab3dbaa2d13a64cc47c98c54ef9ee64a5682c23 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
 * Copyright 2014, 2015 Red Hat.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef VIRGL_WINSYS_H
#define VIRGL_WINSYS_H

#include "pipe/p_defines.h"
#include "virgl_hw.h"

struct pipe_box;
struct pipe_fence_handle;
struct winsys_handle;
struct virgl_hw_res;

#define VIRGL_MAX_TBUF_DWORDS 1024
#define VIRGL_MAX_CMDBUF_DWORDS ((64 * 1024) + VIRGL_MAX_TBUF_DWORDS)

struct virgl_drm_caps {
   union virgl_caps caps;
};

struct virgl_cmd_buf {
   unsigned cdw;
   uint32_t *buf;
};

struct virgl_winsys {
   unsigned pci_id;
   int supports_fences; /* In/Out fences are supported */
   int supports_encoded_transfers; /* Encoded transfers are supported */

   void (*destroy)(struct virgl_winsys *vws);

   int (*transfer_put)(struct virgl_winsys *vws,
                       struct virgl_hw_res *res,
                       const struct pipe_box *box,
                       uint32_t stride, uint32_t layer_stride,
                       uint32_t buf_offset, uint32_t level);

   int (*transfer_get)(struct virgl_winsys *vws,
                       struct virgl_hw_res *res,
                       const struct pipe_box *box,
                       uint32_t stride, uint32_t layer_stride,
                       uint32_t buf_offset, uint32_t level);

   struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
                               enum pipe_texture_target target,
                               uint32_t format, uint32_t bind,
                               uint32_t width, uint32_t height,
                               uint32_t depth, uint32_t array_size,
                               uint32_t last_level, uint32_t nr_samples,
                               uint32_t size);

   void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);

   void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
   void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
   boolean (*resource_is_busy)(struct virgl_winsys *vws,
                               struct virgl_hw_res *res);

   struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
                                                       struct winsys_handle *whandle);
   boolean (*resource_get_handle)(struct virgl_winsys *vws,
                                  struct virgl_hw_res *res,
                                  uint32_t stride,
                                  struct winsys_handle *whandle);

   struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws, uint32_t size);
   void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);

   void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
   int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf,
                     struct pipe_fence_handle **fence);

   boolean (*res_is_referenced)(struct virgl_winsys *vws,
                                struct virgl_cmd_buf *buf,
                                struct virgl_hw_res *res);

   int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);

   /* fence */
   struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws, int fd);
   bool (*fence_wait)(struct virgl_winsys *vws,
                      struct pipe_fence_handle *fence,
                      uint64_t timeout);

   void (*fence_reference)(struct virgl_winsys *vws,
                           struct pipe_fence_handle **dst,
                           struct pipe_fence_handle *src);

   /* for sw paths */
   void (*flush_frontbuffer)(struct virgl_winsys *vws,
                             struct virgl_hw_res *res,
                             unsigned level, unsigned layer,
                             void *winsys_drawable_handle,
                             struct pipe_box *sub_box);
   void (*fence_server_sync)(struct virgl_winsys *vws,
                             struct virgl_cmd_buf *cbuf,
                             struct pipe_fence_handle *fence);

   int (*fence_get_fd)(struct virgl_winsys *vws,
                       struct pipe_fence_handle *fence);
};

/* this defaults all newer caps,
 * the kernel will overwrite these if newer version is available.
 */
static inline void virgl_ws_fill_new_caps_defaults(struct virgl_drm_caps *caps)
{
   caps->caps.v2.min_aliased_point_size = 1.f;
   caps->caps.v2.max_aliased_point_size = 255.f;
   caps->caps.v2.min_smooth_point_size = 1.f;
   caps->caps.v2.max_smooth_point_size = 190.f;
   caps->caps.v2.min_aliased_line_width = 1.f;
   caps->caps.v2.max_aliased_line_width = 10.f;
   caps->caps.v2.min_smooth_line_width = 0.f;
   caps->caps.v2.max_smooth_line_width = 10.f;
   caps->caps.v2.max_texture_lod_bias = 15.0f;
   caps->caps.v2.max_geom_output_vertices = 256;
   caps->caps.v2.max_geom_total_output_components = 1024;
   caps->caps.v2.max_vertex_outputs = 32;
   caps->caps.v2.max_vertex_attribs = 16;
   caps->caps.v2.max_shader_patch_varyings = 30;
   caps->caps.v2.min_texel_offset = -8;
   caps->caps.v2.max_texel_offset = 7;
   caps->caps.v2.min_texture_gather_offset = -8;
   caps->caps.v2.max_texture_gather_offset = 7;
   caps->caps.v2.texture_buffer_offset_alignment = 0;
   caps->caps.v2.uniform_buffer_offset_alignment = 256;
   caps->caps.v2.shader_buffer_offset_alignment = 32;
   caps->caps.v2.capability_bits = 0;
   caps->caps.v2.max_vertex_attrib_stride = 0;
   caps->caps.v2.max_image_samples = 0;
   caps->caps.v2.max_compute_work_group_invocations = 0;
   caps->caps.v2.max_compute_shared_memory_size = 0;
   caps->caps.v2.host_feature_check_version = 0;
}
#endif