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
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, 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 TUNGSTEN GRAPHICS AND/OR ITS 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.
*
**************************************************************************/
#ifndef I915_RESOURCE_H
#define I915_RESOURCE_H
struct i915_screen;
#include "util/u_transfer.h"
#include "util/u_debug.h"
struct i915_context;
struct i915_screen;
struct i915_buffer {
struct u_resource b;
uint8_t *data;
boolean free_on_destroy;
};
#define I915_MAX_TEXTURE_2D_LEVELS 11 /* max 1024x1024 */
#define I915_MAX_TEXTURE_3D_LEVELS 8 /* max 128x128x128 */
struct i915_texture {
struct u_resource b;
unsigned stride;
unsigned depth_stride; /* per-image on i945? */
unsigned total_nblocksy;
unsigned sw_tiled; /**< tiled with software flags */
unsigned hw_tiled; /**< tiled with hardware fences */
unsigned nr_images[I915_MAX_TEXTURE_2D_LEVELS];
/* Explicitly store the offset of each image for each cube face or
* depth value.
*/
unsigned *image_offset[I915_MAX_TEXTURE_2D_LEVELS]; /**< array [depth] of offsets */
/* The data is held here:
*/
struct i915_winsys_buffer *buffer;
};
void i915_init_screen_resource_functions(struct i915_screen *is);
void i915_init_resource_functions(struct i915_context *i915 );
extern struct u_resource_vtbl i915_buffer_vtbl;
extern struct u_resource_vtbl i915_texture_vtbl;
static INLINE struct i915_texture *i915_texture( struct pipe_resource *resource )
{
struct i915_texture *tex = (struct i915_texture *)resource;
assert(tex->b.vtbl == &i915_texture_vtbl);
return tex;
}
static INLINE struct i915_buffer *i915_buffer( struct pipe_resource *resource )
{
struct i915_buffer *tex = (struct i915_buffer *)resource;
assert(tex->b.vtbl == &i915_buffer_vtbl);
return tex;
}
struct pipe_resource *
i915_texture_create(struct pipe_screen *screen,
const struct pipe_resource *template);
struct pipe_resource *
i915_texture_from_handle(struct pipe_screen * screen,
const struct pipe_resource *template,
struct winsys_handle *whandle);
struct pipe_resource *
i915_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
unsigned usage);
struct pipe_resource *
i915_buffer_create(struct pipe_screen *screen,
const struct pipe_resource *template);
#endif /* I915_RESOURCE_H */
|
