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
|
/**************************************************************************
*
* Copyright 2007 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.
*
**************************************************************************/
/*
* Authors:
* Brian Paul
*/
#include "imports.h"
#include "texformat.h"
#include "st_context.h"
#include "st_texobj.h"
#include "pipe/p_defines.h"
/**
* Create a pipe_texture_object from a Mesa texture object.
* Eventually, gl_texture_object may be derived from this...
*/
struct pipe_texture_object *
create_texture_object(struct gl_texture_object *texObj)
{
struct pipe_texture_object *pto;
const struct gl_texture_image *texImage;
pto = calloc(1, sizeof(*pto));
if (!pto)
return NULL;
assert(texObj->Complete);
switch (texObj->Target) {
case GL_TEXTURE_1D:
pto->type = PIPE_TEXTURE_1D;
break;
case GL_TEXTURE_2D:
pto->type = PIPE_TEXTURE_2D;
break;
case GL_TEXTURE_3D:
pto->type = PIPE_TEXTURE_3D;
break;
case GL_TEXTURE_CUBE_MAP:
pto->type = PIPE_TEXTURE_CUBE;
break;
default:
assert(0);
return NULL;
}
texImage = texObj->Image[0][texObj->BaseLevel];
assert(texImage);
switch (texImage->TexFormat->MesaFormat) {
case MESA_FORMAT_RGBA8888:
pto->format = PIPE_FORMAT_U_R8_G8_B8_A8;
break;
case MESA_FORMAT_RGB565:
pto->format = PIPE_FORMAT_U_R5_G6_B5;
break;
/* XXX fill in more formats */
default:
assert(0);
return NULL;
}
pto->width = texImage->Width;
pto->height = texImage->Height;
pto->depth = texImage->Depth;
/* XXX verify this */
pto->mipmapped = texObj->Image[0][texObj->BaseLevel + 1] != NULL;
return pto;
}
|