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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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55
src/Ryujinx.Graphics.Texture/Utils/Block.cs Normal file
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namespace Ryujinx.Graphics.Texture.Utils
{
struct Block
{
public ulong Low;
public ulong High;
public void Encode(ulong value, ref int offset, int bits)
{
if (offset >= 64)
{
High |= value << (offset - 64);
}
else
{
Low |= value << offset;
if (offset + bits > 64)
{
int remainder = 64 - offset;
High |= value >> remainder;
}
}
offset += bits;
}
public ulong Decode(ref int offset, int bits)
{
ulong value;
ulong mask = bits == 64 ? ulong.MaxValue : (1UL << bits) - 1;
if (offset >= 64)
{
value = (High >> (offset - 64)) & mask;
}
else
{
value = Low >> offset;
if (offset + bits > 64)
{
int remainder = 64 - offset;
value |= High << remainder;
}
value &= mask;
}
offset += bits;
return value;
}
}
}