2 * Copyright © 2017 Red Hat.
3 * Copyright © 2017 Valve Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
26 #include "main/mtypes.h"
28 #include "main/externalobjects.h"
30 #include "st_context.h"
31 #include "st_cb_memoryobjects.h"
34 #include "frontend/drm_driver.h"
35 #include "pipe/p_context.h"
36 #include "pipe/p_screen.h"
39 #include "drm-uapi/drm_fourcc.h"
42 static struct gl_memory_object
*
43 st_memoryobj_alloc(struct gl_context
*ctx
, GLuint name
)
45 struct st_memory_object
*st_obj
= ST_CALLOC_STRUCT(st_memory_object
);
49 _mesa_initialize_memory_object(ctx
, &st_obj
->Base
, name
);
54 st_memoryobj_free(struct gl_context
*ctx
,
55 struct gl_memory_object
*obj
)
57 struct st_memory_object
*st_obj
= st_memory_object(obj
);
58 struct st_context
*st
= st_context(ctx
);
59 struct pipe_context
*pipe
= st
->pipe
;
60 struct pipe_screen
*screen
= pipe
->screen
;
62 screen
->memobj_destroy(screen
, st_obj
->memory
);
63 _mesa_delete_memory_object(ctx
, obj
);
68 st_import_memoryobj_fd(struct gl_context
*ctx
,
69 struct gl_memory_object
*obj
,
73 struct st_memory_object
*st_obj
= st_memory_object(obj
);
74 struct st_context
*st
= st_context(ctx
);
75 struct pipe_context
*pipe
= st
->pipe
;
76 struct pipe_screen
*screen
= pipe
->screen
;
77 struct winsys_handle whandle
= {
78 .type
= WINSYS_HANDLE_TYPE_FD
,
81 .modifier
= DRM_FORMAT_MOD_INVALID
,
85 st_obj
->memory
= screen
->memobj_create_from_handle(screen
,
90 /* We own fd, but we no longer need it. So get rid of it */
96 st_init_memoryobject_functions(struct dd_function_table
*functions
)
98 functions
->NewMemoryObject
= st_memoryobj_alloc
;
99 functions
->DeleteMemoryObject
= st_memoryobj_free
;
100 functions
->ImportMemoryObjectFd
= st_import_memoryobj_fd
;