2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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.
25 * Corbin Simpson <MostAwesomeDude@gmail.com>
29 #include "pipe/p_screen.h"
30 #include "util/u_format.h"
31 #include "util/u_math.h"
32 #include "util/u_inlines.h"
33 #include "util/u_memory.h"
34 #include "util/u_upload_mgr.h"
37 #include "radeonsi_pipe.h"
39 static void r600_buffer_destroy(struct pipe_screen
*screen
,
40 struct pipe_resource
*buf
)
42 struct si_resource
*rbuffer
= si_resource(buf
);
44 pb_reference(&rbuffer
->buf
, NULL
);
48 static void *r600_buffer_transfer_map(struct pipe_context
*ctx
,
49 struct pipe_resource
*resource
,
52 const struct pipe_box
*box
,
53 struct pipe_transfer
**ptransfer
)
55 struct r600_context
*rctx
= (struct r600_context
*)ctx
;
56 struct pipe_transfer
*transfer
;
57 struct si_resource
*rbuffer
= si_resource(resource
);
60 data
= rctx
->ws
->buffer_map(rbuffer
->cs_buf
, rctx
->cs
, usage
);
65 transfer
= util_slab_alloc(&rctx
->pool_transfers
);
66 transfer
->resource
= resource
;
67 transfer
->level
= level
;
68 transfer
->usage
= usage
;
71 transfer
->layer_stride
= 0;
72 *ptransfer
= transfer
;
74 return (uint8_t*)data
+ transfer
->box
.x
;
77 static void r600_buffer_transfer_unmap(struct pipe_context
*ctx
,
78 struct pipe_transfer
*transfer
)
80 struct r600_context
*rctx
= (struct r600_context
*)ctx
;
81 util_slab_free(&rctx
->pool_transfers
, transfer
);
84 static void r600_buffer_transfer_flush_region(struct pipe_context
*pipe
,
85 struct pipe_transfer
*transfer
,
86 const struct pipe_box
*box
)
90 static const struct u_resource_vtbl r600_buffer_vtbl
=
92 u_default_resource_get_handle
, /* get_handle */
93 r600_buffer_destroy
, /* resource_destroy */
94 r600_buffer_transfer_map
, /* transfer_map */
95 r600_buffer_transfer_flush_region
, /* transfer_flush_region */
96 r600_buffer_transfer_unmap
, /* transfer_unmap */
97 NULL
/* transfer_inline_write */
100 bool si_init_resource(struct r600_screen
*rscreen
,
101 struct si_resource
*res
,
102 unsigned size
, unsigned alignment
,
103 boolean use_reusable_pool
, unsigned usage
)
105 uint32_t initial_domain
, domains
;
107 /* Staging resources particpate in transfers and blits only
108 * and are used for uploads and downloads from regular
109 * resources. We generate them internally for some transfers.
111 if (usage
== PIPE_USAGE_STAGING
) {
112 domains
= RADEON_DOMAIN_GTT
;
113 initial_domain
= RADEON_DOMAIN_GTT
;
115 domains
= RADEON_DOMAIN_GTT
| RADEON_DOMAIN_VRAM
;
118 case PIPE_USAGE_DYNAMIC
:
119 case PIPE_USAGE_STREAM
:
120 case PIPE_USAGE_STAGING
:
121 initial_domain
= RADEON_DOMAIN_GTT
;
123 case PIPE_USAGE_DEFAULT
:
124 case PIPE_USAGE_STATIC
:
125 case PIPE_USAGE_IMMUTABLE
:
127 initial_domain
= RADEON_DOMAIN_VRAM
;
132 res
->buf
= rscreen
->ws
->buffer_create(rscreen
->ws
, size
, alignment
,
139 res
->cs_buf
= rscreen
->ws
->buffer_get_cs_handle(res
->buf
);
140 res
->domains
= domains
;
144 struct pipe_resource
*si_buffer_create(struct pipe_screen
*screen
,
145 const struct pipe_resource
*templ
)
147 struct r600_screen
*rscreen
= (struct r600_screen
*)screen
;
148 struct si_resource
*rbuffer
;
149 /* XXX We probably want a different alignment for buffers and textures. */
150 unsigned alignment
= 4096;
152 rbuffer
= MALLOC_STRUCT(si_resource
);
154 rbuffer
->b
.b
= *templ
;
155 pipe_reference_init(&rbuffer
->b
.b
.reference
, 1);
156 rbuffer
->b
.b
.screen
= screen
;
157 rbuffer
->b
.vtbl
= &r600_buffer_vtbl
;
159 if (!si_init_resource(rscreen
, rbuffer
, templ
->width0
, alignment
, TRUE
, templ
->usage
)) {
163 return &rbuffer
->b
.b
;
166 void r600_upload_index_buffer(struct r600_context
*rctx
,
167 struct pipe_index_buffer
*ib
, unsigned count
)
169 u_upload_data(rctx
->uploader
, 0, count
* ib
->index_size
,
170 ib
->user_buffer
, &ib
->offset
, &ib
->buffer
);
173 void r600_upload_const_buffer(struct r600_context
*rctx
, struct si_resource
**rbuffer
,
174 const uint8_t *ptr
, unsigned size
,
175 uint32_t *const_offset
)
179 if (R600_BIG_ENDIAN
) {
183 if (!(tmpPtr
= malloc(size
))) {
184 R600_ERR("Failed to allocate BE swap buffer.\n");
188 for (i
= 0; i
< size
/ 4; ++i
) {
189 tmpPtr
[i
] = bswap_32(((uint32_t *)ptr
)[i
]);
192 u_upload_data(rctx
->uploader
, 0, size
, tmpPtr
, const_offset
,
193 (struct pipe_resource
**)rbuffer
);
197 u_upload_data(rctx
->uploader
, 0, size
, ptr
, const_offset
,
198 (struct pipe_resource
**)rbuffer
);