2 * Copyright 2010 Dave Airlie
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:
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
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.
26 #include "r600_priv.h"
28 #include "state_tracker/drm_driver.h"
29 #include "radeon_drm.h"
31 struct r600_bo
*r600_bo(struct radeon
*radeon
,
32 unsigned size
, unsigned alignment
,
33 unsigned binding
, unsigned usage
)
36 struct radeon_bo
*rbo
;
37 uint32_t initial_domain
, domains
;
39 /* Staging resources particpate in transfers and blits only
40 * and are used for uploads and downloads from regular
41 * resources. We generate them internally for some transfers.
43 if (usage
== PIPE_USAGE_STAGING
) {
44 domains
= RADEON_GEM_DOMAIN_GTT
;
45 initial_domain
= RADEON_GEM_DOMAIN_GTT
;
47 domains
= RADEON_GEM_DOMAIN_GTT
| RADEON_GEM_DOMAIN_VRAM
;
50 case PIPE_USAGE_DYNAMIC
:
51 case PIPE_USAGE_STREAM
:
52 case PIPE_USAGE_STAGING
:
53 initial_domain
= RADEON_GEM_DOMAIN_GTT
;
55 case PIPE_USAGE_DEFAULT
:
56 case PIPE_USAGE_STATIC
:
57 case PIPE_USAGE_IMMUTABLE
:
59 initial_domain
= RADEON_GEM_DOMAIN_VRAM
;
64 rbo
= radeon_bo(radeon
, 0, size
, alignment
, binding
, initial_domain
);
69 bo
= calloc(1, sizeof(struct r600_bo
));
70 bo
->domains
= domains
;
73 pipe_reference_init(&bo
->reference
, 1);
77 struct r600_bo
*r600_bo_handle(struct radeon
*radeon
, struct winsys_handle
*whandle
,
78 unsigned *stride
, unsigned *array_mode
)
80 struct r600_bo
*bo
= calloc(1, sizeof(struct r600_bo
));
81 struct radeon_bo
*rbo
;
83 rbo
= bo
->bo
= radeon_bo(radeon
, whandle
->handle
, 0, 0, 0, 0);
89 pipe_reference_init(&bo
->reference
, 1);
90 bo
->domains
= RADEON_GEM_DOMAIN_GTT
| RADEON_GEM_DOMAIN_VRAM
;
93 *stride
= whandle
->stride
;
96 enum radeon_bo_layout micro
, macro
;
98 radeon
->ws
->buffer_get_tiling(rbo
->buf
, µ
, ¯o
);
100 if (macro
== RADEON_LAYOUT_TILED
)
101 *array_mode
= V_0280A0_ARRAY_2D_TILED_THIN1
;
102 else if (micro
== RADEON_LAYOUT_TILED
)
103 *array_mode
= V_0280A0_ARRAY_1D_TILED_THIN1
;
110 void *r600_bo_map(struct radeon
*radeon
, struct r600_bo
*bo
, unsigned usage
, void *ctx
)
112 struct pipe_context
*pctx
= ctx
;
114 if (usage
& PIPE_TRANSFER_UNSYNCHRONIZED
) {
115 radeon_bo_map(radeon
, bo
->bo
);
116 return (uint8_t *) bo
->bo
->data
;
119 if (p_atomic_read(&bo
->bo
->reference
.count
) > 1) {
120 if (usage
& PIPE_TRANSFER_DONTBLOCK
) {
124 pctx
->flush(pctx
, NULL
);
128 if (usage
& PIPE_TRANSFER_DONTBLOCK
) {
131 if (radeon_bo_busy(radeon
, bo
->bo
, &domain
))
133 if (radeon_bo_map(radeon
, bo
->bo
)) {
139 radeon_bo_map(radeon
, bo
->bo
);
140 if (radeon_bo_wait(radeon
, bo
->bo
)) {
141 radeon_bo_unmap(radeon
, bo
->bo
);
146 return (uint8_t *) bo
->bo
->data
;
149 void r600_bo_unmap(struct radeon
*radeon
, struct r600_bo
*bo
)
151 radeon_bo_unmap(radeon
, bo
->bo
);
154 void r600_bo_destroy(struct radeon
*radeon
, struct r600_bo
*bo
)
156 radeon_bo_reference(radeon
, &bo
->bo
, NULL
);
160 boolean
r600_bo_get_winsys_handle(struct radeon
*radeon
, struct r600_bo
*bo
,
161 unsigned stride
, struct winsys_handle
*whandle
)
163 return radeon
->ws
->buffer_get_handle(bo
->bo
->buf
, stride
, whandle
);