1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Jerome Glisse
* Corbin Simpson <MostAwesomeDude@gmail.com>
*/
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_upload_mgr.h"
#include "r600.h"
#include "radeonsi_pipe.h"
static void r600_buffer_destroy(struct pipe_screen *screen,
struct pipe_resource *buf)
{
struct r600_resource *rbuffer = r600_resource(buf);
pb_reference(&rbuffer->buf, NULL);
FREE(rbuffer);
}
static void *r600_buffer_transfer_map(struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **ptransfer)
{
struct r600_context *rctx = (struct r600_context*)ctx;
struct pipe_transfer *transfer;
struct r600_resource *rbuffer = r600_resource(resource);
uint8_t *data;
if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE &&
!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
assert(usage & PIPE_TRANSFER_WRITE);
/* Check if mapping this buffer would cause waiting for the GPU. */
if (r600_rings_is_buffer_referenced(&rctx->b, rbuffer->cs_buf, RADEON_USAGE_READWRITE) ||
rctx->b.ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) {
rctx->b.invalidate_buffer(&rctx->b.b, &rbuffer->b.b);
}
}
data = rctx->b.ws->buffer_map(rbuffer->cs_buf, rctx->b.rings.gfx.cs, usage);
if (!data) {
return NULL;
}
transfer = util_slab_alloc(&rctx->pool_transfers);
transfer->resource = resource;
transfer->level = level;
transfer->usage = usage;
transfer->box = *box;
transfer->stride = 0;
transfer->layer_stride = 0;
*ptransfer = transfer;
return (uint8_t*)data + transfer->box.x;
}
static void r600_buffer_transfer_unmap(struct pipe_context *ctx,
struct pipe_transfer *transfer)
{
struct r600_context *rctx = (struct r600_context*)ctx;
util_slab_free(&rctx->pool_transfers, transfer);
}
static void r600_buffer_transfer_flush_region(struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
}
static const struct u_resource_vtbl r600_buffer_vtbl =
{
u_default_resource_get_handle, /* get_handle */
r600_buffer_destroy, /* resource_destroy */
r600_buffer_transfer_map, /* transfer_map */
r600_buffer_transfer_flush_region, /* transfer_flush_region */
r600_buffer_transfer_unmap, /* transfer_unmap */
NULL /* transfer_inline_write */
};
struct pipe_resource *si_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
struct r600_screen *rscreen = (struct r600_screen*)screen;
struct r600_resource *rbuffer;
/* XXX We probably want a different alignment for buffers and textures. */
unsigned alignment = 4096;
rbuffer = MALLOC_STRUCT(r600_resource);
rbuffer->b.b = *templ;
pipe_reference_init(&rbuffer->b.b.reference, 1);
rbuffer->b.b.screen = screen;
rbuffer->b.vtbl = &r600_buffer_vtbl;
util_range_init(&rbuffer->valid_buffer_range);
if (!r600_init_resource(&rscreen->b, rbuffer, templ->width0, alignment, TRUE, templ->usage)) {
FREE(rbuffer);
return NULL;
}
return &rbuffer->b.b;
}
void r600_upload_index_buffer(struct r600_context *rctx,
struct pipe_index_buffer *ib, unsigned count)
{
u_upload_data(rctx->uploader, 0, count * ib->index_size,
ib->user_buffer, &ib->offset, &ib->buffer);
}
void r600_upload_const_buffer(struct r600_context *rctx, struct r600_resource **rbuffer,
const uint8_t *ptr, unsigned size,
uint32_t *const_offset)
{
if (R600_BIG_ENDIAN) {
uint32_t *tmpPtr;
unsigned i;
if (!(tmpPtr = malloc(size))) {
R600_ERR("Failed to allocate BE swap buffer.\n");
return;
}
for (i = 0; i < size / 4; ++i) {
tmpPtr[i] = util_bswap32(((uint32_t *)ptr)[i]);
}
u_upload_data(rctx->uploader, 0, size, tmpPtr, const_offset,
(struct pipe_resource**)rbuffer);
free(tmpPtr);
} else {
u_upload_data(rctx->uploader, 0, size, ptr, const_offset,
(struct pipe_resource**)rbuffer);
}
}
|
