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
|
/**********************************************************
* Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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 SVGA_TGSI_H
#define SVGA_TGSI_H
#include "pipe/p_state.h"
#include "svga_hw_reg.h"
/**
* We use a 32-bit mask to keep track of the generic indexes.
*/
#define MAX_GENERIC_VARYING 32
struct svga_fragment_shader;
struct svga_vertex_shader;
struct svga_shader;
struct tgsi_shader_info;
struct tgsi_token;
struct svga_vs_compile_key
{
unsigned fs_generic_inputs;
unsigned need_prescale:1;
unsigned allow_psiz:1;
};
struct svga_fs_compile_key
{
unsigned light_twoside:1;
unsigned front_ccw:1;
unsigned white_fragments:1;
unsigned num_textures:8;
unsigned num_unnormalized_coords:8;
unsigned sprite_origin_lower_left:1;
struct {
unsigned compare_mode:1;
unsigned compare_func:3;
unsigned unnormalized:1;
unsigned width_height_idx:7;
unsigned texture_target:8;
unsigned sprite_texgen:1;
unsigned swizzle_r:3;
unsigned swizzle_g:3;
unsigned swizzle_b:3;
unsigned swizzle_a:3;
} tex[PIPE_MAX_SAMPLERS];
};
struct svga_compile_key {
struct svga_vs_compile_key vkey;
struct svga_fs_compile_key fkey;
int8_t generic_remap_table[MAX_GENERIC_VARYING];
};
struct svga_shader_result
{
const struct svga_shader *shader;
/* Parameters used to generate this compilation result:
*/
struct svga_compile_key key;
/* Compiled shader tokens:
*/
const unsigned *tokens;
unsigned nr_tokens;
/* SVGA Shader ID:
*/
unsigned id;
/* Next compilation result:
*/
struct svga_shader_result *next;
};
/* TGSI doesn't provide use with VS input semantics (they're actually
* pretty meaningless), so we just generate some plausible ones here.
* This is called both from within the TGSI translator and when
* building vdecls to ensure they match up.
*
* The real use of this information is matching vertex elements to
* fragment shader inputs in the case where vertex shader is disabled.
*/
static INLINE void svga_generate_vdecl_semantics( unsigned idx,
unsigned *usage,
unsigned *usage_index )
{
if (idx == 0) {
*usage = SVGA3D_DECLUSAGE_POSITION;
*usage_index = 0;
}
else {
*usage = SVGA3D_DECLUSAGE_TEXCOORD;
*usage_index = idx - 1;
}
}
static INLINE unsigned svga_vs_key_size( const struct svga_vs_compile_key *key )
{
return sizeof *key;
}
static INLINE unsigned svga_fs_key_size( const struct svga_fs_compile_key *key )
{
return (const char *)&key->tex[key->num_textures] - (const char *)key;
}
struct svga_shader_result *
svga_translate_fragment_program( const struct svga_fragment_shader *fs,
const struct svga_fs_compile_key *fkey );
struct svga_shader_result *
svga_translate_vertex_program( const struct svga_vertex_shader *fs,
const struct svga_vs_compile_key *vkey );
void svga_destroy_shader_result( struct svga_shader_result *result );
unsigned
svga_get_generic_inputs_mask(const struct tgsi_shader_info *info);
unsigned
svga_get_generic_outputs_mask(const struct tgsi_shader_info *info);
void
svga_remap_generics(unsigned generics_mask,
int8_t remap_table[MAX_GENERIC_VARYING]);
int
svga_remap_generic_index(int8_t remap_table[MAX_GENERIC_VARYING],
int generic_index);
#endif
|
