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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#include "xorg_exa_tgsi.h"
/*### stupidity defined in X11/extensions/XI.h */
#undef Absolute
#include "pipe/p_format.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "pipe/p_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_memory.h"
#include "util/u_simple_shaders.h"
#include "tgsi/tgsi_ureg.h"
#include "cso_cache/cso_context.h"
#include "cso_cache/cso_hash.h"
struct xorg_shaders {
struct exa_context *exa;
struct cso_hash *vs_hash;
struct cso_hash *fs_hash;
};
/* SAMP[0] = dst
* SAMP[1] = src
* SAMP[2] = mask
* IN[0] = pos dst
* IN[1] = pos src
* IN[2] = pos mask
* CONST[0] = (0, 0, 0, 1)
*/
static const char over_op[] =
"SUB TEMP[3], CONST[0].wwww, TEMP[1].wwww\n"
"MUL TEMP[3], TEMP[0], TEMP[3]\n"
"ADD TEMP[0], TEMP[3], TEMP[0]\n";
static INLINE void
create_preamble(struct ureg_program *ureg)
{
}
static INLINE void
src_in_mask(struct ureg_program *ureg,
struct ureg_dst dst,
struct ureg_src src,
struct ureg_src mask)
{
/* MUL dst, src, mask.wwww */
ureg_MUL(ureg, dst, src,
ureg_scalar(mask, TGSI_SWIZZLE_W));
}
static struct xorg_shader
xorg_shader_construct(struct exa_context *exa,
int op,
PicturePtr src_picture,
PicturePtr mask_picture,
PicturePtr dst_picture)
{
struct xorg_shader shader = {0};
#if 0
struct ureg_program *ureg;
struct ureg_src dst_sampler, src_sampler, mask_sampler;
struct ureg_src dst_pos, src_pos, mask_pos;
struct ureg_src src, mask;
ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (ureg == NULL)
return shader;
if (sid.is_fill)
return shader;
#if 0 /* unused right now */
dst_sampler = ureg_DECL_sampler(ureg);
dst_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
#endif
src_sampler = ureg_DECL_sampler(ureg);
src_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
1,
TGSI_INTERPOLATE_PERSPECTIVE);
if (sid.mask) {
mask_sampler = ureg_DECL_sampler(ureg);
src_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
2,
TGSI_INTERPOLATE_PERSPECTIVE);
}
ureg_TEX(ureg, ureg_dst(src),
TGSI_TEXTURE_2D, src_pos, src_sampler);
if (sid.mask) {
ureg_TEX(ureg, ureg_dst(mask),
TGSI_TEXTURE_2D, mask_pos, mask_sampler);
/* src IN mask */
src_in_mask(ureg, ureg_dst(src), src, mask);
}
ureg_END(ureg);
#endif
return shader;
}
struct xorg_shaders * xorg_shaders_create(struct exa_context *exa)
{
struct xorg_shaders *sc = CALLOC_STRUCT(xorg_shaders);
sc->exa = exa;
sc->vs_hash = cso_hash_create();
sc->fs_hash = cso_hash_create();
return sc;
}
static void
cache_destroy(struct cso_context *cso,
struct cso_hash *hash,
unsigned processor)
{
struct cso_hash_iter iter = cso_hash_first_node(hash);
while (!cso_hash_iter_is_null(iter)) {
void *shader = (void *)cso_hash_iter_data(iter);
if (processor == PIPE_SHADER_FRAGMENT) {
cso_delete_fragment_shader(cso, shader);
} else if (processor == PIPE_SHADER_VERTEX) {
cso_delete_vertex_shader(cso, shader);
}
iter = cso_hash_erase(hash, iter);
}
cso_hash_delete(hash);
}
void xorg_shaders_destroy(struct xorg_shaders *sc)
{
cache_destroy(sc->exa->cso, sc->vs_hash,
PIPE_SHADER_VERTEX);
cache_destroy(sc->exa->cso, sc->fs_hash,
PIPE_SHADER_FRAGMENT);
free(sc);
}
struct xorg_shader xorg_shaders_get(struct xorg_shaders *sc,
unsigned vs_traits,
unsigned fs_traits)
{
struct xorg_shader shader = {0};
return shader;
}
|
