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
|
namespace Ryujinx.Graphics.Gal.Shader
{
static class ShaderDecodeHelper
{
private static readonly ShaderIrOperImmf ImmfZero = new ShaderIrOperImmf(0);
private static readonly ShaderIrOperImmf ImmfOne = new ShaderIrOperImmf(1);
public static ShaderIrNode GetAluFabsFneg(ShaderIrNode node, bool abs, bool neg)
{
return GetAluFneg(GetAluFabs(node, abs), neg);
}
public static ShaderIrNode GetAluFabs(ShaderIrNode node, bool abs)
{
return abs ? new ShaderIrOp(ShaderIrInst.Fabs, node) : node;
}
public static ShaderIrNode GetAluFneg(ShaderIrNode node, bool neg)
{
return neg ? new ShaderIrOp(ShaderIrInst.Fneg, node) : node;
}
public static ShaderIrNode GetAluFsat(ShaderIrNode node, bool sat)
{
return sat ? new ShaderIrOp(ShaderIrInst.Fclamp, node, ImmfZero, ImmfOne) : node;
}
public static ShaderIrNode GetAluIabsIneg(ShaderIrNode node, bool abs, bool neg)
{
return GetAluIneg(GetAluIabs(node, abs), neg);
}
public static ShaderIrNode GetAluIabs(ShaderIrNode node, bool abs)
{
return abs ? new ShaderIrOp(ShaderIrInst.Abs, node) : node;
}
public static ShaderIrNode GetAluIneg(ShaderIrNode node, bool neg)
{
return neg ? new ShaderIrOp(ShaderIrInst.Neg, node) : node;
}
public static ShaderIrNode GetAluNot(ShaderIrNode node, bool not)
{
return not ? new ShaderIrOp(ShaderIrInst.Not, node) : node;
}
public static ShaderIrNode ExtendTo32(ShaderIrNode node, bool signed, int size)
{
int shift = 32 - size;
ShaderIrInst rightShift = signed
? ShaderIrInst.Asr
: ShaderIrInst.Lsr;
node = new ShaderIrOp(ShaderIrInst.Lsl, node, new ShaderIrOperImm(shift));
node = new ShaderIrOp(rightShift, node, new ShaderIrOperImm(shift));
return node;
}
public static ShaderIrNode ExtendTo32(ShaderIrNode node, bool signed, ShaderIrNode size)
{
ShaderIrOperImm wordSize = new ShaderIrOperImm(32);
ShaderIrOp shift = new ShaderIrOp(ShaderIrInst.Sub, wordSize, size);
ShaderIrInst rightShift = signed
? ShaderIrInst.Asr
: ShaderIrInst.Lsr;
node = new ShaderIrOp(ShaderIrInst.Lsl, node, shift);
node = new ShaderIrOp(rightShift, node, shift);
return node;
}
}
}
|
