1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "state_tracker/drm_api.h"
30 #include "util/u_memory.h"
31 #include "identity/id_drm.h"
32 #include "identity/id_public.h"
33 #include "identity/id_screen.h"
34 #include "identity/id_objects.h"
36 struct identity_drm_api
43 static INLINE
struct identity_drm_api
*
44 identity_drm_api(struct drm_api
*_api
)
46 return (struct identity_drm_api
*)_api
;
49 static struct pipe_screen
*
50 identity_drm_create_screen(struct drm_api
*_api
, int fd
,
51 struct drm_create_screen_arg
*arg
)
53 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
54 struct drm_api
*api
= id_api
->api
;
55 struct pipe_screen
*screen
;
57 if (arg
&& arg
->mode
!= DRM_CREATE_NORMAL
)
60 screen
= api
->create_screen(api
, fd
, arg
);
62 return identity_screen_create(screen
);
65 static struct pipe_context
*
66 identity_drm_create_context(struct drm_api
*_api
,
67 struct pipe_screen
*_screen
)
69 struct identity_screen
*id_screen
= identity_screen(_screen
);
70 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
71 struct pipe_screen
*screen
= id_screen
->screen
;
72 struct drm_api
*api
= id_api
->api
;
73 struct pipe_context
*pipe
;
75 pipe
= api
->create_context(api
, screen
);
77 pipe
= identity_context_create(_screen
, pipe
);
83 identity_drm_buffer_from_texture(struct drm_api
*_api
,
84 struct pipe_texture
*_texture
,
85 struct pipe_buffer
**_buffer
,
88 struct identity_texture
*id_texture
= identity_texture(_texture
);
89 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
90 struct pipe_texture
*texture
= id_texture
->texture
;
91 struct drm_api
*api
= id_api
->api
;
92 struct pipe_buffer
*buffer
= NULL
;
95 result
= api
->buffer_from_texture(api
, texture
, &buffer
, stride
);
97 if (result
&& _buffer
)
98 buffer
= identity_buffer_create(identity_screen(texture
->screen
), buffer
);
103 pipe_buffer_reference(&buffer
, NULL
);
108 static struct pipe_buffer
*
109 identity_drm_buffer_from_handle(struct drm_api
*_api
,
110 struct pipe_screen
*_screen
,
114 struct identity_screen
*id_screen
= identity_screen(_screen
);
115 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
116 struct pipe_screen
*screen
= id_screen
->screen
;
117 struct drm_api
*api
= id_api
->api
;
118 struct pipe_buffer
*result
;
120 result
= api
->buffer_from_handle(api
, screen
, name
, handle
);
122 result
= identity_buffer_create(identity_screen(_screen
), result
);
128 identity_drm_handle_from_buffer(struct drm_api
*_api
,
129 struct pipe_screen
*_screen
,
130 struct pipe_buffer
*_buffer
,
133 struct identity_screen
*id_screen
= identity_screen(_screen
);
134 struct identity_buffer
*id_buffer
= identity_buffer(_buffer
);
135 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
136 struct pipe_screen
*screen
= id_screen
->screen
;
137 struct pipe_buffer
*buffer
= id_buffer
->buffer
;
138 struct drm_api
*api
= id_api
->api
;
140 return api
->handle_from_buffer(api
, screen
, buffer
, handle
);
144 identity_drm_global_handle_from_buffer(struct drm_api
*_api
,
145 struct pipe_screen
*_screen
,
146 struct pipe_buffer
*_buffer
,
149 struct identity_screen
*id_screen
= identity_screen(_screen
);
150 struct identity_buffer
*id_buffer
= identity_buffer(_buffer
);
151 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
152 struct pipe_screen
*screen
= id_screen
->screen
;
153 struct pipe_buffer
*buffer
= id_buffer
->buffer
;
154 struct drm_api
*api
= id_api
->api
;
156 return api
->global_handle_from_buffer(api
, screen
, buffer
, handle
);
160 identity_drm_destroy(struct drm_api
*_api
)
162 struct identity_drm_api
*id_api
= identity_drm_api(_api
);
163 struct drm_api
*api
= id_api
->api
;
170 identity_drm_create(struct drm_api
*api
)
172 struct identity_drm_api
*id_api
= CALLOC_STRUCT(identity_drm_api
);
177 id_api
->base
.create_screen
= identity_drm_create_screen
;
178 id_api
->base
.create_context
= identity_drm_create_context
;
179 id_api
->base
.buffer_from_texture
= identity_drm_buffer_from_texture
;
180 id_api
->base
.buffer_from_handle
= identity_drm_buffer_from_handle
;
181 id_api
->base
.handle_from_buffer
= identity_drm_handle_from_buffer
;
182 id_api
->base
.global_handle_from_buffer
= identity_drm_global_handle_from_buffer
;
183 id_api
->base
.destroy
= identity_drm_destroy
;
186 return &id_api
->base
;