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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Texture/Astc/BitStream128.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Texture/Astc/BitStream128.cs')
-rw-r--r--Ryujinx.Graphics.Texture/Astc/BitStream128.cs72
1 files changed, 0 insertions, 72 deletions
diff --git a/Ryujinx.Graphics.Texture/Astc/BitStream128.cs b/Ryujinx.Graphics.Texture/Astc/BitStream128.cs
deleted file mode 100644
index 3bf9769f..00000000
--- a/Ryujinx.Graphics.Texture/Astc/BitStream128.cs
+++ /dev/null
@@ -1,72 +0,0 @@
-using Ryujinx.Common.Utilities;
-using System;
-using System.Diagnostics;
-
-namespace Ryujinx.Graphics.Texture.Astc
-{
- public struct BitStream128
- {
- private Buffer16 _data;
- public int BitsLeft { get; set; }
-
- public BitStream128(Buffer16 data)
- {
- _data = data;
- BitsLeft = 128;
- }
-
- public int ReadBits(int bitCount)
- {
- Debug.Assert(bitCount < 32);
-
- if (bitCount == 0)
- {
- return 0;
- }
-
- int mask = (1 << bitCount) - 1;
- int value = _data.As<int>() & mask;
-
- Span<ulong> span = _data.AsSpan<ulong>();
-
- ulong carry = span[1] << (64 - bitCount);
- span[0] = (span[0] >> bitCount) | carry;
- span[1] >>= bitCount;
-
- BitsLeft -= bitCount;
-
- return value;
- }
-
- public void WriteBits(int value, int bitCount)
- {
- Debug.Assert(bitCount < 32);
-
- if (bitCount == 0) return;
-
- ulong maskedValue = (uint)(value & ((1 << bitCount) - 1));
-
- Span<ulong> span = _data.AsSpan<ulong>();
-
- if (BitsLeft < 64)
- {
- ulong lowMask = maskedValue << BitsLeft;
- span[0] |= lowMask;
- }
-
- if (BitsLeft + bitCount > 64)
- {
- if (BitsLeft > 64)
- {
- span[1] |= maskedValue << (BitsLeft - 64);
- }
- else
- {
- span[1] |= maskedValue >> (64 - BitsLeft);
- }
- }
-
- BitsLeft += bitCount;
- }
- }
-} \ No newline at end of file