diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Texture/BlockLinearLayout.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Texture/BlockLinearLayout.cs')
| -rw-r--r-- | Ryujinx.Graphics.Texture/BlockLinearLayout.cs | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/Ryujinx.Graphics.Texture/BlockLinearLayout.cs b/Ryujinx.Graphics.Texture/BlockLinearLayout.cs deleted file mode 100644 index e098e959..00000000 --- a/Ryujinx.Graphics.Texture/BlockLinearLayout.cs +++ /dev/null @@ -1,195 +0,0 @@ -using Ryujinx.Common; -using System.Numerics; -using System.Runtime.CompilerServices; - -using static Ryujinx.Graphics.Texture.BlockLinearConstants; - -namespace Ryujinx.Graphics.Texture -{ - class BlockLinearLayout - { - private struct RobAndSliceSizes - { - public int RobSize; - public int SliceSize; - - public RobAndSliceSizes(int robSize, int sliceSize) - { - RobSize = robSize; - SliceSize = sliceSize; - } - } - - private int _texBpp; - - private int _bhMask; - private int _bdMask; - - private int _bhShift; - private int _bdShift; - private int _bppShift; - - private int _xShift; - - private int _robSize; - private int _sliceSize; - - // Variables for built in iteration. - private int _yPart; - private int _yzPart; - private int _zPart; - - public BlockLinearLayout( - int width, - int height, - int gobBlocksInY, - int gobBlocksInZ, - int bpp) - { - _texBpp = bpp; - - _bppShift = BitOperations.TrailingZeroCount(bpp); - - _bhMask = gobBlocksInY - 1; - _bdMask = gobBlocksInZ - 1; - - _bhShift = BitOperations.TrailingZeroCount(gobBlocksInY); - _bdShift = BitOperations.TrailingZeroCount(gobBlocksInZ); - - _xShift = BitOperations.TrailingZeroCount(GobSize * gobBlocksInY * gobBlocksInZ); - - RobAndSliceSizes rsSizes = GetRobAndSliceSizes(width, height, gobBlocksInY, gobBlocksInZ); - - _robSize = rsSizes.RobSize; - _sliceSize = rsSizes.SliceSize; - } - - private RobAndSliceSizes GetRobAndSliceSizes(int width, int height, int gobBlocksInY, int gobBlocksInZ) - { - int widthInGobs = BitUtils.DivRoundUp(width * _texBpp, GobStride); - - int robSize = GobSize * gobBlocksInY * gobBlocksInZ * widthInGobs; - - int sliceSize = BitUtils.DivRoundUp(height, gobBlocksInY * GobHeight) * robSize; - - return new RobAndSliceSizes(robSize, sliceSize); - } - - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public int GetOffset(int x, int y, int z) - { - return GetOffsetWithLineOffset(x << _bppShift, y, z); - } - - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public int GetOffsetWithLineOffset(int x, int y, int z) - { - int yh = y / GobHeight; - - int offset = (z >> _bdShift) * _sliceSize + (yh >> _bhShift) * _robSize; - - offset += (x / GobStride) << _xShift; - - offset += (yh & _bhMask) * GobSize; - - offset += ((z & _bdMask) * GobSize) << _bhShift; - - offset += ((x & 0x3f) >> 5) << 8; - offset += ((y & 0x07) >> 1) << 6; - offset += ((x & 0x1f) >> 4) << 5; - offset += ((y & 0x01) >> 0) << 4; - offset += ((x & 0x0f) >> 0) << 0; - - return offset; - } - - public (int offset, int size) GetRectangleRange(int x, int y, int width, int height) - { - // Justification: - // The 2D offset is a combination of separate x and y parts. - // Both components increase with input and never overlap bits. - // Therefore for each component, the minimum input value is the lowest that component can go. - // Minimum total value is minimum X component + minimum Y component. Similar goes for maximum. - - int start = GetOffset(x, y, 0); - int end = GetOffset(x + width - 1, y + height - 1, 0) + _texBpp; // Cover the last pixel. - return (start, end - start); - } - - public bool LayoutMatches(BlockLinearLayout other) - { - return _robSize == other._robSize && - _sliceSize == other._sliceSize && - _texBpp == other._texBpp && - _bhMask == other._bhMask && - _bdMask == other._bdMask; - } - - // Functions for built in iteration. - // Components of the offset can be updated separately, and combined to save some time. - - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public void SetY(int y) - { - int yh = y / GobHeight; - int offset = (yh >> _bhShift) * _robSize; - - offset += (yh & _bhMask) * GobSize; - - offset += ((y & 0x07) >> 1) << 6; - offset += ((y & 0x01) >> 0) << 4; - - _yPart = offset; - _yzPart = offset + _zPart; - } - - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public void SetZ(int z) - { - int offset = (z >> _bdShift) * _sliceSize; - - offset += ((z & _bdMask) * GobSize) << _bhShift; - - _zPart = offset; - _yzPart = offset + _yPart; - } - - /// <summary> - /// Optimized conversion for line offset in bytes to an absolute offset. Input x must be divisible by 16. - /// </summary> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public int GetOffsetWithLineOffset16(int x) - { - int offset = (x / GobStride) << _xShift; - - offset += ((x & 0x3f) >> 5) << 8; - offset += ((x & 0x1f) >> 4) << 5; - - return offset + _yzPart; - } - - /// <summary> - /// Optimized conversion for line offset in bytes to an absolute offset. Input x must be divisible by 64. - /// </summary> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public int GetOffsetWithLineOffset64(int x) - { - int offset = (x / GobStride) << _xShift; - - return offset + _yzPart; - } - - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public int GetOffset(int x) - { - x <<= _bppShift; - int offset = (x / GobStride) << _xShift; - - offset += ((x & 0x3f) >> 5) << 8; - offset += ((x & 0x1f) >> 4) << 5; - offset += (x & 0x0f); - - return offset + _yzPart; - } - } -}
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