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
|
/**********************************************************
* 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.
*
**********************************************************/
#ifndef SVGA_TEXTURE_H
#define SVGA_TEXTURE_H
#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_transfer.h"
#include "svga_screen_cache.h"
struct pipe_context;
struct pipe_screen;
struct svga_context;
struct svga_winsys_surface;
enum SVGA3dSurfaceFormat;
#define SVGA_MAX_TEXTURE_LEVELS 16
extern struct u_resource_vtbl svga_texture_vtbl;
struct svga_texture
{
struct u_resource b;
boolean defined[6][SVGA_MAX_TEXTURE_LEVELS];
struct svga_sampler_view *cached_view;
unsigned view_age[SVGA_MAX_TEXTURE_LEVELS];
unsigned age;
boolean views_modified;
/**
* Creation key for the host surface handle.
*
* This structure describes all the host surface characteristics so that it
* can be looked up in cache, since creating a host surface is often a slow
* operation.
*/
struct svga_host_surface_cache_key key;
/**
* Handle for the host side surface.
*
* This handle is owned by this texture. Views should hold on to a reference
* to this texture and never destroy this handle directly.
*/
struct svga_winsys_surface *handle;
};
/* Note this is only used for texture (not buffer) transfers:
*/
struct svga_transfer
{
struct pipe_transfer base;
unsigned face;
struct svga_winsys_buffer *hwbuf;
/* Height of the hardware buffer in pixel blocks */
unsigned hw_nblocksy;
/* Temporary malloc buffer when we can't allocate a hardware buffer
* big enough */
void *swbuf;
};
static INLINE struct svga_texture *svga_texture( struct pipe_resource *resource )
{
struct svga_texture *tex = (struct svga_texture *)resource;
assert(tex == NULL || tex->b.vtbl == &svga_texture_vtbl);
return tex;
}
static INLINE struct svga_transfer *
svga_transfer(struct pipe_transfer *transfer)
{
assert(transfer);
return (struct svga_transfer *)transfer;
}
struct pipe_resource *
svga_texture_create(struct pipe_screen *screen,
const struct pipe_resource *template);
struct pipe_resource *
svga_texture_from_handle(struct pipe_screen * screen,
const struct pipe_resource *template,
struct winsys_handle *whandle);
enum SVGA3dSurfaceFormat
svga_translate_format(enum pipe_format format);
enum SVGA3dSurfaceFormat
svga_translate_format_render(enum pipe_format format);
#endif /* SVGA_TEXTURE_H */
|