ew.h
5.36 KB
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
/*
* ew.h: edge walker header file
*
*
*/
#ifndef EDGE_WALKER_INCLD
#define EDGE_WALKER_INCLD
#include "ints.h"
/*
* Edge Walker Memory Structure
*/
typedef struct
{
/* required by C-sim */
char *label; /* label must be first */
int argc;
char **argv;
int gclk_old;
/* I n p u t S i g n a l s */
int gclk;
int64 cs_ew_d; /* [63:0], data bus from CS */
int cs_ew_newprim;
int dxr; /* [22:0], s,15.7 */
int dxg; /* [22:0], s,15.7 */
int dxb; /* [22:0], s,15.7 */
int dxa; /* [22:0], s,15.7 */
int dxz; /* [22:0], s,15.7 */
int dxs; /* [22:0], s,15.7 */
int dxt; /* [22:0], s,15.7 */
int dxw; /* [22:0], s,15.7 */
int dyr; /* [22:0], s,15.7 */
int dyg; /* [22:0], s,15.7 */
int dyb; /* [22:0], s,15.7 */
int dya; /* [22:0], s,15.7 */
int dyz; /* [22:0], s,15.7 */
int dys; /* [22:0], s,15.7 */
int dyt; /* [22:0], s,15.7 */
int dyw; /* [22:0], s,15.7 */
int left_xmajor; /* left major tri flag */
int left_xminor; /* left major tri flag */
int left_offset; /* left major tri flag */
int sign_dxhdy_xmajor;
int sign_dxhdy_offset;
int width_cimage; /* [9:0] */
int width_timage; /* [9:0] */
int load_cmd_image; /* flag */
int pixel_size; /* [1:0] */
int texel_size; /* [1:0] */
int cycle_type; /* [1:0] */
int scbox_xmax; /* [11:0] */
int scbox_xmin; /* [11:0] */
int scbox_ymax; /* [11:0] */
int scbox_ymin; /* [11:0] */
int load_cmd_scissor;
int load_cmd_ewstall;
int load_cmd_offset;
int sc_field;
int odd_line;
int reset_l;
int flush;
int load_cmd_tlut;
/* O u t p u t S i g n a l s */
int ew_cs_busy;
int ew_cv_d; /* [12:0] */
int ew_cv_newspan;
int ew_cv_start_x; /* [11:0] */
int ew_ep_d; /* [21:0] */
int ew_ep_startspan;
int ew_ms_length; /* [11:0] */
int ew_ms_addr; /* [19:0] */
int y_dither; /* [1:0], 1 cycle before start_span */
/* I n t e r m e d i a t e S i g n a l s */
/* edge walker control signals */
unsigned int cnt_prim: 5;
unsigned int cnt_span_x: 4;
unsigned int cnt_span_attr: 4;
unsigned int span_valid_x: 1;
unsigned int new_span_x: 1;
unsigned int clear_xminor: 1;
unsigned int wa_addr_m: 4;
unsigned int wa_addr_s: 4;
unsigned int add_clear: 1;
unsigned int add32b: 1;
unsigned int shuffle_m: 1;
unsigned int shuffle: 1;
unsigned int noshuffle_m: 1;
unsigned int noshuffle: 1;
unsigned int sel_dydx_m: 4;
unsigned int sel_dydx_mm: 4;
unsigned int sel_dydx_mmm: 4;
unsigned int sel_dydx: 4;
unsigned int ld_x_frac_m: 1;
unsigned int ld_x_frac_mm: 1;
unsigned int ld_x_frac_mmm: 1;
unsigned int ld_x_frac: 1;
unsigned int get_new_stall: 1;
unsigned int ew_stall_x: 1;
unsigned int cnt_stall: 13;
unsigned int ew_stall_attr: 1;
unsigned int ew_stall_attr0d: 1;
unsigned int ew_stall_attr1d: 1;
unsigned int ew_stall_attr2d: 1;
unsigned int ew_stall_attr3d: 1;
unsigned int ew_stall_attr4d: 1;
unsigned int ew_stall_attr5d: 1;
unsigned int ew_stall_attr6d: 1;
unsigned int ew_stall_attr7d: 1;
unsigned int ew_stall_attr8d: 1;
unsigned int sc_field_s: 1;
unsigned int odd_line_s: 1;
unsigned int ew_ep_startspan_m: 1;
unsigned int sel_xval: 1;
unsigned int y_invalid: 1;
unsigned int end_ew: 1;
unsigned int span_valid_s: 1;
unsigned int span_valid_x_s: 1;
unsigned int end_prim_state: 2;
/* dither bits */
unsigned int y_dither_m: 2;
/* ew adders */
unsigned int ms_co: 1;
unsigned int ls_co: 1;
unsigned int sum_att: 32;
/* ew memory regs */
unsigned int ra_data: 32;
unsigned int rb_data: 32;
/* ew shuffle regs */
unsigned int inta_1delay: 16;
unsigned int fraca_1delay: 16;
unsigned int fraca_2delay: 16;
unsigned int intd_1delay: 16;
unsigned int fracd_1delay: 16;
unsigned int fracd_2delay: 16;
unsigned int att_out_s: 32;
int att_out: 23; /* s,15.7 */
unsigned int dade_out_s: 32;
int dade_out: 23; /* s,15.7 */
/* ew offset regs */
unsigned int x_frac_s: 8;
int att_d_out;
/* ew_x_calc registers */
unsigned int dxhdy: 27;
unsigned int dxmdy: 27;
unsigned int dxldy: 27;
unsigned int xh: 27; /* s,11.15 */
unsigned int xm: 27;
unsigned int xl: 27;
unsigned int x_sticky: 1;
/* ew scissor y registers */
unsigned int ym: 14; /* s,11.2 */
unsigned int yh: 14; /* s,11.2 */
unsigned int yl: 14; /* s,11.2 */
unsigned int y_cur: 14; /* s,11.2 */
unsigned int xval: 4;
/* ew scissor x registers */
unsigned int allxlmin: 1;
unsigned int allxgemax: 1;
unsigned int x_major_1d: 20; /* s,11.8 */
unsigned int x_frac: 8;
unsigned int x_frac_m: 8;
unsigned int x_frac_mm: 8;
unsigned int x_sc_max: 12; /* s,11.0 */
unsigned int x_sc_min: 12; /* s,11.0 */
unsigned int x_sc: 15;
/* ew span address registers */
unsigned int cnt_mult: 4;
unsigned int cnt_addr: 2;
unsigned int posy_state: 1;
unsigned int addr_scanline: 20;
unsigned int ld_dxhdy: 1;
} ew_t;
/*
* P r o t o t y p e s
*/
void ew(ew_t **pp0, ew_t **pp1);
void ew_init(ew_t *p0, ew_t *p1);
#endif /* EDGE_WALKER_INCLD */