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
137
138
139
140
141
142
143
144
145
146
147
148
149
|
#include "nv20_context.h"
static INLINE int log2i(int i)
{
int r = 0;
if (i & 0xffff0000) {
i >>= 16;
r += 16;
}
if (i & 0x0000ff00) {
i >>= 8;
r += 8;
}
if (i & 0x000000f0) {
i >>= 4;
r += 4;
}
if (i & 0x0000000c) {
i >>= 2;
r += 2;
}
if (i & 0x00000002) {
r += 1;
}
return r;
}
#define _(m,tf) \
{ \
TRUE, \
PIPE_FORMAT_##m, \
NV20TCL_TX_FORMAT_FORMAT_##tf, \
}
struct nv20_texture_format {
boolean defined;
uint pipe;
int format;
};
static struct nv20_texture_format
nv20_texture_formats[] = {
_(A8R8G8B8_UNORM, A8R8G8B8),
_(A1R5G5B5_UNORM, A1R5G5B5),
_(A4R4G4B4_UNORM, A4R4G4B4),
_(L8_UNORM , L8 ),
_(A8_UNORM , A8 ),
_(A8L8_UNORM , A8L8 ),
/* _(RGB_DXT1 , DXT1, ), */
/* _(RGBA_DXT1 , DXT1, ), */
/* _(RGBA_DXT3 , DXT3, ), */
/* _(RGBA_DXT5 , DXT5, ), */
{},
};
static struct nv20_texture_format *
nv20_fragtex_format(uint pipe_format)
{
struct nv20_texture_format *tf = nv20_texture_formats;
while (tf->defined) {
if (tf->pipe == pipe_format)
return tf;
tf++;
}
return NULL;
}
static void
nv20_fragtex_build(struct nv20_context *nv20, int unit)
{
#if 0
struct nv20_sampler_state *ps = nv20->tex_sampler[unit];
struct nv20_miptree *nv20mt = nv20->tex_miptree[unit];
struct pipe_texture *pt = &nv20mt->base;
struct nv20_texture_format *tf;
uint32_t txf, txs, txp;
tf = nv20_fragtex_format(pt->format);
if (!tf || !tf->defined) {
NOUVEAU_ERR("Unsupported texture format: 0x%x\n", pt->format);
return;
}
txf = tf->format << 8;
txf |= (pt->last_level + 1) << 16;
txf |= log2i(pt->width[0]) << 20;
txf |= log2i(pt->height[0]) << 24;
txf |= log2i(pt->depth[0]) << 28;
txf |= 8;
switch (pt->target) {
case PIPE_TEXTURE_CUBE:
txf |= NV10TCL_TX_FORMAT_CUBE_MAP;
/* fall-through */
case PIPE_TEXTURE_2D:
txf |= (2<<4);
break;
case PIPE_TEXTURE_1D:
txf |= (1<<4);
break;
default:
NOUVEAU_ERR("Unknown target %d\n", pt->target);
return;
}
BEGIN_RING(kelvin, NV10TCL_TX_OFFSET(unit), 8);
OUT_RELOCl(nv20mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
OUT_RELOCd(nv20mt->buffer,txf,NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_OR | NOUVEAU_BO_RD, 1/*VRAM*/,2/*TT*/);
OUT_RING (ps->wrap);
OUT_RING (0x40000000); /* enable */
OUT_RING (txs);
OUT_RING (ps->filt | 0x2000 /* magic */);
OUT_RING ((pt->width[0] << 16) | pt->height[0]);
OUT_RING (ps->bcol);
#endif
}
void
nv20_fragtex_bind(struct nv20_context *nv20)
{
#if 0
struct nv20_fragment_program *fp = nv20->fragprog.active;
unsigned samplers, unit;
samplers = nv20->fp_samplers & ~fp->samplers;
while (samplers) {
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
BEGIN_RING(kelvin, NV10TCL_TX_ENABLE(unit), 1);
OUT_RING (0);
}
samplers = nv20->dirty_samplers & fp->samplers;
while (samplers) {
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
nv20_fragtex_build(nv20, unit);
}
nv20->fp_samplers = fp->samplers;
#endif
}
|
