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
|
/* $XFree86$ */
/**************************************************************************
Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, 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
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
ATI, PRECISION INSIGHT 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:
* Kevin E. Martin <kevin@precisioninsight.com>
* Gareth Hughes <gareth@precisioninsight.com>
*
*/
#ifndef _R128_TEXOBJ_H_
#define _R128_TEXOBJ_H_
#include "mm.h"
#define R128_TEX_MAXLEVELS 11
/* Setup registers for each texture */
typedef struct {
CARD32 tex_cntl;
CARD32 size_pitch;
CARD32 border_color;
} r128TextureRegs;
/* Individual texture image information */
typedef struct {
int offset; /* Offset into locally shared texture space (i.e.,
relative to bufAddr (below) */
int width; /* Width of texture image */
int height; /* Height of texture image */
} r128TexImage;
typedef struct r128_tex_obj r128TexObj, *r128TexObjPtr;
/* Texture object in locally shared texture space */
struct r128_tex_obj {
r128TexObjPtr next, prev;
struct gl_texture_object *tObj; /* Mesa texture object */
PMemBlock memBlock; /* Memory block containing texture */
unsigned char *bufAddr; /* Offset to start of locally
shared texture block */
CARD32 dirty_images; /* Flags for whether or not
images need to be uploaded to
local or AGP texture space */
int bound; /* Texture unit currently bound to */
int heap; /* Texture heap currently stored in */
r128TexImage image[R128_TEX_MAXLEVELS]; /* Image data for all
mipmap levels */
int totalSize; /* Total size of the texture
including all mipmap levels */
int internFormat; /* Internal GL format used to store
texture on card */
int textureFormat; /* Actual hardware format */
int texelBytes; /* Number of bytes per texel */
r128TextureRegs regs; /* Setup regs for texture */
};
#endif /* _R128_TEXOBJ_H_ */
|
