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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/**************************************************************************
*
* 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: Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef DRAW_VS_H
#define DRAW_VS_H
#include "draw_context.h"
#include "draw_private.h"
struct draw_context;
struct pipe_shader_state;
struct draw_varient_input
{
enum pipe_format format;
unsigned buffer;
unsigned offset;
};
struct draw_varient_output
{
enum pipe_format format; /* output format */
unsigned vs_output:8; /* which vertex shader output is this? */
unsigned offset:24; /* offset into output vertex */
};
struct draw_varient_element {
struct draw_varient_input in;
struct draw_varient_output out;
};
struct draw_vs_varient_key {
unsigned output_stride;
unsigned nr_elements:8; /* max2(nr_inputs, nr_outputs) */
unsigned nr_inputs:8;
unsigned nr_outputs:8;
unsigned viewport:1;
unsigned clip:1;
unsigned const_vbuffers:5;
struct draw_varient_element element[PIPE_MAX_ATTRIBS];
};
struct draw_vs_varient;
struct draw_vs_varient {
struct draw_vs_varient_key key;
struct draw_vertex_shader *vs;
void (*set_buffer)( struct draw_vs_varient *,
unsigned i,
const void *ptr,
unsigned stride );
void (PIPE_CDECL *run_linear)( struct draw_vs_varient *shader,
unsigned start,
unsigned count,
void *output_buffer );
void (PIPE_CDECL *run_elts)( struct draw_vs_varient *shader,
const unsigned *elts,
unsigned count,
void *output_buffer );
void (*destroy)( struct draw_vs_varient * );
};
/**
* Private version of the compiled vertex_shader
*/
struct draw_vertex_shader {
struct draw_context *draw;
/* This member will disappear shortly:
*/
struct pipe_shader_state state;
struct tgsi_shader_info info;
unsigned position_output;
/* Extracted from shader:
*/
const float (*immediates)[4];
/*
*/
struct draw_vs_varient *varient[16];
unsigned nr_varients;
unsigned last_varient;
struct draw_vs_varient *(*create_varient)( struct draw_vertex_shader *shader,
const struct draw_vs_varient_key *key );
void (*prepare)( struct draw_vertex_shader *shader,
struct draw_context *draw );
/* Run the shader - this interface will get cleaned up in the
* future:
*/
void (*run_linear)( struct draw_vertex_shader *shader,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride );
void (*delete)( struct draw_vertex_shader * );
};
struct draw_vs_varient *
draw_vs_lookup_varient( struct draw_vertex_shader *base,
const struct draw_vs_varient_key *key );
/********************************************************************************
* Internal functions:
*/
struct draw_vertex_shader *
draw_create_vs_exec(struct draw_context *draw,
const struct pipe_shader_state *templ);
struct draw_vertex_shader *
draw_create_vs_sse(struct draw_context *draw,
const struct pipe_shader_state *templ);
struct draw_vertex_shader *
draw_create_vs_llvm(struct draw_context *draw,
const struct pipe_shader_state *templ);
struct draw_vs_varient_key;
struct draw_vertex_shader;
struct draw_vs_varient *draw_vs_varient_aos_sse( struct draw_vertex_shader *vs,
const struct draw_vs_varient_key *key );
/********************************************************************************
* Helpers for vs implementations that don't do their own fetch/emit varients.
* Means these can be shared between shaders.
*/
struct translate;
struct translate_key;
struct translate *draw_vs_get_fetch( struct draw_context *draw,
struct translate_key *key );
struct translate *draw_vs_get_emit( struct draw_context *draw,
struct translate_key *key );
struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs,
const struct draw_vs_varient_key *key );
static INLINE int draw_vs_varient_keysize( const struct draw_vs_varient_key *key )
{
return 2 * sizeof(int) + key->nr_elements * sizeof(struct draw_varient_element);
}
static INLINE int draw_vs_varient_key_compare( const struct draw_vs_varient_key *a,
const struct draw_vs_varient_key *b )
{
int keysize = draw_vs_varient_keysize(a);
return memcmp(a, b, keysize);
}
struct aos_machine *draw_vs_aos_machine( void );
void draw_vs_aos_machine_destroy( struct aos_machine *machine );
void draw_vs_aos_machine_constants( struct aos_machine *machine,
const float (*constants)[4] );
void draw_vs_aos_machine_viewport( struct aos_machine *machine,
const struct pipe_viewport_state *viewport );
#define MAX_TGSI_VERTICES 4
#endif
|
