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#ifndef VIRGL_WINSYS_H
24#define VIRGL_WINSYS_H
25
26#include "pipe/p_defines.h"
27#include "virgl_hw.h"
28
29struct pipe_box;
30struct pipe_fence_handle;
31struct winsys_handle;
32struct virgl_hw_res;
33
34#define VIRGL_MAX_CMDBUF_DWORDS (16*1024)
35
36struct virgl_drm_caps {
37   union virgl_caps caps;
38};
39
40struct virgl_cmd_buf {
41   unsigned cdw;
42   uint32_t *buf;
43};
44
45struct virgl_winsys {
46   unsigned pci_id;
47
48   void (*destroy)(struct virgl_winsys *vws);
49
50   int (*transfer_put)(struct virgl_winsys *vws,
51                       struct virgl_hw_res *res,
52                       const struct pipe_box *box,
53                       uint32_t stride, uint32_t layer_stride,
54                       uint32_t buf_offset, uint32_t level);
55
56   int (*transfer_get)(struct virgl_winsys *vws,
57                       struct virgl_hw_res *res,
58                       const struct pipe_box *box,
59                       uint32_t stride, uint32_t layer_stride,
60                       uint32_t buf_offset, uint32_t level);
61
62   struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
63                               enum pipe_texture_target target,
64                               uint32_t format, uint32_t bind,
65                               uint32_t width, uint32_t height,
66                               uint32_t depth, uint32_t array_size,
67                               uint32_t last_level, uint32_t nr_samples,
68                               uint32_t size);
69
70   void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);
71
72   void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
73   void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
74
75   struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
76                                                       struct winsys_handle *whandle);
77   boolean (*resource_get_handle)(struct virgl_winsys *vws,
78                                  struct virgl_hw_res *res,
79                                  uint32_t stride,
80                                  struct winsys_handle *whandle);
81
82   struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws);
83   void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
84
85   void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
86   int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
87
88   boolean (*res_is_referenced)(struct virgl_winsys *vws,
89                                struct virgl_cmd_buf *buf,
90                                struct virgl_hw_res *res);
91
92   int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
93
94   /* fence */
95   struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
96   bool (*fence_wait)(struct virgl_winsys *vws,
97                      struct pipe_fence_handle *fence,
98                      uint64_t timeout);
99
100   void (*fence_reference)(struct virgl_winsys *vws,
101                           struct pipe_fence_handle **dst,
102                           struct pipe_fence_handle *src);
103
104   /* for sw paths */
105   void (*flush_frontbuffer)(struct virgl_winsys *vws,
106                             struct virgl_hw_res *res,
107                             unsigned level, unsigned layer,
108                             void *winsys_drawable_handle,
109                             struct pipe_box *sub_box);
110};
111
112
113#endif
114