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
|
/**********************************************************
* Copyright 2008-2009 VMware, Inc. All rights reserved.
*
* 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 the rights to use, copy,
* modify, merge, publish, distribute, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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.
*
**********************************************************/
#include "util/u_inlines.h"
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_transfer.h"
#include "tgsi/tgsi_parse.h"
#include "svga_screen.h"
#include "svga_resource_buffer.h"
#include "svga_context.h"
static void svga_set_vertex_buffers(struct pipe_context *pipe,
unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct svga_context *svga = svga_context(pipe);
unsigned i;
boolean any_user_buffer = FALSE;
/* Check for no change */
if (count == svga->curr.num_vertex_buffers &&
memcmp(svga->curr.vb, buffers, count * sizeof buffers[0]) == 0)
return;
/* Adjust refcounts */
for (i = 0; i < count; i++) {
pipe_resource_reference(&svga->curr.vb[i].buffer, buffers[i].buffer);
if (svga_buffer_is_user_buffer(buffers[i].buffer))
any_user_buffer = TRUE;
}
for ( ; i < svga->curr.num_vertex_buffers; i++)
pipe_resource_reference(&svga->curr.vb[i].buffer, NULL);
/* Copy remaining data */
memcpy(svga->curr.vb, buffers, count * sizeof buffers[0]);
svga->curr.num_vertex_buffers = count;
svga->curr.any_user_vertex_buffers = any_user_buffer;
svga->dirty |= SVGA_NEW_VBUFFER;
}
static void svga_set_index_buffer(struct pipe_context *pipe,
const struct pipe_index_buffer *ib)
{
struct svga_context *svga = svga_context(pipe);
if (ib) {
pipe_resource_reference(&svga->curr.ib.buffer, ib->buffer);
memcpy(&svga->curr.ib, ib, sizeof(svga->curr.ib));
}
else {
pipe_resource_reference(&svga->curr.ib.buffer, NULL);
memset(&svga->curr.ib, 0, sizeof(svga->curr.ib));
}
/* TODO make this more like a state */
}
static void *
svga_create_vertex_elements_state(struct pipe_context *pipe,
unsigned count,
const struct pipe_vertex_element *attribs)
{
struct svga_velems_state *velems;
assert(count <= PIPE_MAX_ATTRIBS);
velems = (struct svga_velems_state *) MALLOC(sizeof(struct svga_velems_state));
if (velems) {
velems->count = count;
memcpy(velems->velem, attribs, sizeof(*attribs) * count);
}
return velems;
}
static void svga_bind_vertex_elements_state(struct pipe_context *pipe,
void *velems)
{
struct svga_context *svga = svga_context(pipe);
struct svga_velems_state *svga_velems = (struct svga_velems_state *) velems;
svga->curr.velems = svga_velems;
svga->dirty |= SVGA_NEW_VELEMENT;
}
static void svga_delete_vertex_elements_state(struct pipe_context *pipe,
void *velems)
{
FREE(velems);
}
void svga_cleanup_vertex_state( struct svga_context *svga )
{
unsigned i;
for (i = 0 ; i < svga->curr.num_vertex_buffers; i++)
pipe_resource_reference(&svga->curr.vb[i].buffer, NULL);
}
void svga_init_vertex_functions( struct svga_context *svga )
{
svga->pipe.set_vertex_buffers = svga_set_vertex_buffers;
svga->pipe.set_index_buffer = svga_set_index_buffer;
svga->pipe.create_vertex_elements_state = svga_create_vertex_elements_state;
svga->pipe.bind_vertex_elements_state = svga_bind_vertex_elements_state;
svga->pipe.delete_vertex_elements_state = svga_delete_vertex_elements_state;
}
|
