2 * Copyright © 2009 Corbin Simpson
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
15 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
17 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
28 * Corbin Simpson <MostAwesomeDude@gmail.com>
31 #include "radeon_drm.h"
33 /* Create a pipe_screen. */
34 struct pipe_screen
* radeon_create_screen(struct drm_api
* api
,
36 struct drm_create_screen_arg
*arg
)
38 struct radeon_winsys
* winsys
= radeon_pipe_winsys(drmFB
);
40 if (getenv("RADEON_SOFTPIPE")) {
41 return softpipe_create_screen((struct pipe_winsys
*)winsys
);
43 struct r300_winsys
* r300
= radeon_create_r300_winsys(drmFB
, winsys
);
45 return r300_create_screen(r300
);
49 /* Create a pipe_context. */
50 struct pipe_context
* radeon_create_context(struct drm_api
* api
,
51 struct pipe_screen
* screen
)
53 if (getenv("RADEON_SOFTPIPE")) {
54 return radeon_create_softpipe(screen
->winsys
);
56 return r300_create_context(screen
,
57 (struct r300_winsys
*)screen
->winsys
);
61 boolean
radeon_buffer_from_texture(struct drm_api
* api
,
62 struct pipe_texture
* texture
,
63 struct pipe_buffer
** buffer
,
67 return r300_get_texture_buffer(texture
, buffer
, stride
);
70 /* Create a buffer from a handle. */
71 /* XXX what's up with name? */
72 struct pipe_buffer
* radeon_buffer_from_handle(struct drm_api
* api
,
73 struct pipe_screen
* screen
,
77 struct radeon_bo_manager
* bom
=
78 ((struct radeon_winsys
*)screen
->winsys
)->priv
->bom
;
79 struct radeon_pipe_buffer
* radeon_buffer
;
80 struct radeon_bo
* bo
= NULL
;
82 bo
= radeon_bo_open(bom
, handle
, 0, 0, 0, 0);
87 radeon_buffer
= CALLOC_STRUCT(radeon_pipe_buffer
);
88 if (radeon_buffer
== NULL
) {
93 pipe_reference_init(&radeon_buffer
->base
.reference
, 1);
94 radeon_buffer
->base
.screen
= screen
;
95 radeon_buffer
->base
.usage
= PIPE_BUFFER_USAGE_PIXEL
;
96 radeon_buffer
->bo
= bo
;
97 return &radeon_buffer
->base
;
100 boolean
radeon_handle_from_buffer(struct drm_api
* api
,
101 struct pipe_screen
* screen
,
102 struct pipe_buffer
* buffer
,
105 struct radeon_pipe_buffer
* radeon_buffer
=
106 (struct radeon_pipe_buffer
*)buffer
;
107 *handle
= radeon_buffer
->bo
->handle
;
111 boolean
radeon_global_handle_from_buffer(struct drm_api
* api
,
112 struct pipe_screen
* screen
,
113 struct pipe_buffer
* buffer
,
117 struct drm_gem_flink flink
;
118 struct radeon_pipe_buffer
* radeon_buffer
=
119 (struct radeon_pipe_buffer
*)buffer
;
121 if (!radeon_buffer
->flinked
) {
122 fd
= ((struct radeon_winsys
*)screen
->winsys
)->priv
->fd
;
124 flink
.handle
= radeon_buffer
->bo
->handle
;
126 retval
= ioctl(fd
, DRM_IOCTL_GEM_FLINK
, &flink
);
128 debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n",
133 radeon_buffer
->flink
= flink
.name
;
134 radeon_buffer
->flinked
= TRUE
;
137 *handle
= radeon_buffer
->flink
;
141 struct drm_api drm_api_hooks
= {
142 .create_screen
= radeon_create_screen
,
143 .create_context
= radeon_create_context
,
144 .buffer_from_texture
= radeon_buffer_from_texture
,
145 .buffer_from_handle
= radeon_buffer_from_handle
,
146 .handle_from_buffer
= radeon_handle_from_buffer
,
147 .global_handle_from_buffer
= radeon_global_handle_from_buffer
,
150 struct drm_api
* drm_api_create()
153 return trace_drm_create(&drm_api_hooks
);
155 return &drm_api_hooks
;