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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/**********************************************************
* 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 "svga_cmd.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "os/os_thread.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "svga_screen.h"
#include "svga_context.h"
#include "svga_resource_texture.h"
#include "svga_sampler_view.h"
#include "svga_debug.h"
#include "svga_surface.h"
void
svga_debug_describe_sampler_view(char *buf, const struct svga_sampler_view *sv)
{
char res[128];
debug_describe_resource(res, sv->texture);
util_sprintf(buf, "svga_sampler_view<%s,[%u,%u]>", res, sv->min_lod, sv->max_lod);
}
struct svga_sampler_view *
svga_get_tex_sampler_view(struct pipe_context *pipe,
struct pipe_resource *pt,
unsigned min_lod, unsigned max_lod)
{
struct svga_context *svga = svga_context(pipe);
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_texture *tex = svga_texture(pt);
struct svga_sampler_view *sv = NULL;
SVGA3dSurfaceFlags flags = SVGA3D_SURFACE_HINT_TEXTURE;
SVGA3dSurfaceFormat format = svga_translate_format(pt->format);
boolean view = TRUE;
assert(pt);
assert(min_lod >= 0);
assert(min_lod <= max_lod);
assert(max_lod <= pt->last_level);
/* Is a view needed */
{
/*
* Can't control max lod. For first level views and when we only
* look at one level we disable mip filtering to achive the same
* results as a view.
*/
if (min_lod == 0 && max_lod >= pt->last_level)
view = FALSE;
if (ss->debug.no_sampler_view)
view = FALSE;
if (ss->debug.force_sampler_view)
view = TRUE;
}
/* First try the cache */
if (view) {
pipe_mutex_lock(ss->tex_mutex);
if (tex->cached_view &&
tex->cached_view->min_lod == min_lod &&
tex->cached_view->max_lod == max_lod) {
svga_sampler_view_reference(&sv, tex->cached_view);
pipe_mutex_unlock(ss->tex_mutex);
SVGA_DBG(DEBUG_VIEWS, "svga: Sampler view: reuse %p, %u %u, last %u\n",
pt, min_lod, max_lod, pt->last_level);
svga_validate_sampler_view(svga_context(pipe), sv);
return sv;
}
pipe_mutex_unlock(ss->tex_mutex);
}
sv = CALLOC_STRUCT(svga_sampler_view);
pipe_reference_init(&sv->reference, 1);
pipe_resource_reference(&sv->texture, pt);
sv->min_lod = min_lod;
sv->max_lod = max_lod;
/* No view needed just use the whole texture */
if (!view) {
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->key.cachable = 0;
sv->handle = tex->handle;
debug_reference(&sv->reference,
(debug_reference_descriptor)svga_debug_describe_sampler_view, 0);
return sv;
}
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->age = tex->age;
sv->handle = svga_texture_view_surface(svga, tex, flags, format,
min_lod,
max_lod - min_lod + 1,
-1, -1,
&sv->key);
if (!sv->handle) {
assert(0);
sv->key.cachable = 0;
sv->handle = tex->handle;
debug_reference(&sv->reference,
(debug_reference_descriptor)svga_debug_describe_sampler_view, 0);
return sv;
}
pipe_mutex_lock(ss->tex_mutex);
svga_sampler_view_reference(&tex->cached_view, sv);
pipe_mutex_unlock(ss->tex_mutex);
debug_reference(&sv->reference,
(debug_reference_descriptor)svga_debug_describe_sampler_view, 0);
return sv;
}
void
svga_validate_sampler_view(struct svga_context *svga, struct svga_sampler_view *v)
{
struct svga_texture *tex = svga_texture(v->texture);
unsigned numFaces;
unsigned age = 0;
int i, k;
assert(svga);
if (v->handle == tex->handle)
return;
age = tex->age;
if(tex->b.b.target == PIPE_TEXTURE_CUBE)
numFaces = 6;
else
numFaces = 1;
for (i = v->min_lod; i <= v->max_lod; i++) {
for (k = 0; k < numFaces; k++) {
if (v->age < tex->view_age[i])
svga_texture_copy_handle(svga,
tex->handle, 0, 0, 0, i, k,
v->handle, 0, 0, 0, i - v->min_lod, k,
u_minify(tex->b.b.width0, i),
u_minify(tex->b.b.height0, i),
u_minify(tex->b.b.depth0, i));
}
}
v->age = age;
}
void
svga_destroy_sampler_view_priv(struct svga_sampler_view *v)
{
struct svga_texture *tex = svga_texture(v->texture);
if(v->handle != tex->handle) {
struct svga_screen *ss = svga_screen(v->texture->screen);
SVGA_DBG(DEBUG_DMA, "unref sid %p (sampler view)\n", v->handle);
svga_screen_surface_destroy(ss, &v->key, &v->handle);
}
pipe_resource_reference(&v->texture, NULL);
FREE(v);
}
|
