2 * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
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
27 #ifndef RADEON_DRM_CS_H
28 #define RADEON_DRM_CS_H
30 #include "radeon_drm_bo.h"
31 #include <radeon_drm.h>
33 struct radeon_cs_context
{
34 uint32_t buf
[RADEON_MAX_CMDBUF_DWORDS
];
37 struct drm_radeon_cs cs
;
38 struct drm_radeon_cs_chunk chunks
[2];
39 uint64_t chunk_array
[2];
44 struct radeon_bo
**relocs_bo
;
45 struct drm_radeon_cs_reloc
*relocs
;
47 /* 0 = BO not added, 1 = BO added */
48 char is_handle_added
[256];
49 struct drm_radeon_cs_reloc
*relocs_hashlist
[256];
50 unsigned reloc_indices_hashlist
[256];
56 struct radeon_drm_cs
{
57 struct radeon_winsys_cs base
;
59 /* We flip between these two CS. While one is being consumed
60 * by the kernel in another thread, the other one is being filled
61 * by the pipe driver. */
62 struct radeon_cs_context csc1
;
63 struct radeon_cs_context csc2
;
64 /* The currently-used CS. */
65 struct radeon_cs_context
*csc
;
66 /* The CS being currently-owned by the other thread. */
67 struct radeon_cs_context
*cst
;
70 struct radeon_drm_winsys
*ws
;
73 void (*flush_cs
)(void *ctx
, unsigned flags
);
79 int radeon_get_reloc(struct radeon_cs_context
*csc
, struct radeon_bo
*bo
);
81 static INLINE
struct radeon_drm_cs
*
82 radeon_drm_cs(struct radeon_winsys_cs
*base
)
84 return (struct radeon_drm_cs
*)base
;
88 radeon_bo_is_referenced_by_cs(struct radeon_drm_cs
*cs
,
91 int num_refs
= bo
->num_cs_references
;
92 return num_refs
== bo
->rws
->num_cs
||
93 (num_refs
&& radeon_get_reloc(cs
->csc
, bo
) != -1);
97 radeon_bo_is_referenced_by_cs_for_write(struct radeon_drm_cs
*cs
,
102 if (!bo
->num_cs_references
)
105 index
= radeon_get_reloc(cs
->csc
, bo
);
109 return cs
->csc
->relocs
[index
].write_domain
!= 0;
112 static INLINE boolean
113 radeon_bo_is_referenced_by_any_cs(struct radeon_bo
*bo
)
115 return bo
->num_cs_references
!= 0;
118 void radeon_drm_cs_sync_flush(struct radeon_drm_cs
*cs
);
119 void radeon_drm_cs_init_functions(struct radeon_drm_winsys
*ws
);