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
|
`include "gfx/gfx_defs.sv"
module gfx_frag
(
input logic clk,
rst_n,
input frag_xy frag,
input fixed_tri bary,
ws,
input logic in_valid,
output logic in_ready,
input logic out_ready,
output logic out_valid,
output frag_paint out
);
logic stall;
frag_paint frag_out;
gfx_pipeline_flow #(.STAGES(`GFX_FRAG_STAGES)) addr_flow
(
.*
);
linear_coord linear;
gfx_frag_addr addr
(
.*
);
localparam ADDR_WAIT_STAGES = `GFX_FRAG_STAGES - `GFX_FRAG_ADDR_STAGES;
gfx_pipes #(.WIDTH($bits(linear_coord)), .DEPTH(ADDR_WAIT_STAGES)) addr_pipes
(
.in(linear),
.out(frag_out.addr),
.*
);
fixed b1, b2;
gfx_frag_bary frag_bary
(
.*
);
gfx_frag_shade shade
(
.color(frag_out.color),
.argb0(),
.argb1_argb0(),
.argb2_argb0(),
.*
);
gfx_skid_buf #(.WIDTH($bits(frag_out))) skid
(
.in(frag_out),
.*
);
endmodule
|