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
|
/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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
* THE AUTHOR(S) 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. */
#ifndef R300_TEXTURE_H
#define R300_TEXTURE_H
#include "pipe/p_video_state.h"
#include "r300_reg.h"
struct r300_texture;
void r300_init_screen_texture_functions(struct pipe_screen* screen);
unsigned r300_texture_get_stride(struct r300_screen* screen,
struct r300_texture* tex, unsigned level);
unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
unsigned zslice, unsigned face);
/* Translate a pipe_format into a useful texture format for sampling.
*
* R300_EASY_TX_FORMAT swizzles the texture.
* Note the signature of R300_EASY_TX_FORMAT:
* R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
*
* The FORMAT specifies how the texture sampler will treat the texture, and
* makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
{
switch (format) {
/* X8 */
case PIPE_FORMAT_A8_UNORM:
return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8);
case PIPE_FORMAT_I8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X8);
case PIPE_FORMAT_L8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, ONE, X8);
/* X16 */
case PIPE_FORMAT_R16_UNORM:
case PIPE_FORMAT_Z16_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X16);
case PIPE_FORMAT_R16_SNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X16) |
R300_TX_FORMAT_SIGNED;
/* Y8X8 */
case PIPE_FORMAT_A8L8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8);
/* W8Z8Y8X8 */
case PIPE_FORMAT_A8R8G8B8_UNORM:
return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
case PIPE_FORMAT_R8G8B8A8_UNORM:
return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
case PIPE_FORMAT_X8R8G8B8_UNORM:
return R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
case PIPE_FORMAT_R8G8B8X8_UNORM:
return R300_EASY_TX_FORMAT(Y, Z, ONE, X, W8Z8Y8X8);
case PIPE_FORMAT_A8R8G8B8_SRGB:
return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8) |
R300_TX_FORMAT_GAMMA;
case PIPE_FORMAT_R8G8B8A8_SRGB:
return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8) |
R300_TX_FORMAT_GAMMA;
/* DXT1 */
case PIPE_FORMAT_DXT1_RGB:
return R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1);
case PIPE_FORMAT_DXT1_RGBA:
return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1);
/* DXT3 */
case PIPE_FORMAT_DXT3_RGBA:
return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3);
/* DXT5 */
case PIPE_FORMAT_DXT5_RGBA:
return R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5);
/* YVYU422 */
case PIPE_FORMAT_YCBCR:
return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) |
R300_TX_FORMAT_YUV_TO_RGB;
/* W24_FP */
case PIPE_FORMAT_Z24S8_UNORM:
case PIPE_FORMAT_Z24X8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
default:
debug_printf("r300: Implementation error: "
"Got unsupported texture format %s in %s\n",
pf_name(format), __FUNCTION__);
assert(0);
break;
}
return 0;
}
struct r300_video_surface
{
struct pipe_video_surface base;
struct pipe_texture *tex;
};
static INLINE struct r300_video_surface *
r300_video_surface(struct pipe_video_surface *pvs)
{
return (struct r300_video_surface *)pvs;
}
#ifndef R300_WINSYS_H
boolean r300_get_texture_buffer(struct pipe_screen* screen,
struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride);
#endif /* R300_WINSYS_H */
#endif /* R300_TEXTURE_H */
|
