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.Vulkan/IndexBufferPattern.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Vulkan/IndexBufferPattern.cs')
| -rw-r--r-- | Ryujinx.Graphics.Vulkan/IndexBufferPattern.cs | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/Ryujinx.Graphics.Vulkan/IndexBufferPattern.cs b/Ryujinx.Graphics.Vulkan/IndexBufferPattern.cs deleted file mode 100644 index 11f4ec33..00000000 --- a/Ryujinx.Graphics.Vulkan/IndexBufferPattern.cs +++ /dev/null @@ -1,139 +0,0 @@ -using Ryujinx.Graphics.GAL; -using System; -using System.Collections.Generic; -using System.Runtime.InteropServices; - -namespace Ryujinx.Graphics.Vulkan -{ - internal class IndexBufferPattern : IDisposable - { - public int PrimitiveVertices { get; } - public int PrimitiveVerticesOut { get; } - public int BaseIndex { get; } - public int[] OffsetIndex { get; } - public int IndexStride { get; } - public bool RepeatStart { get; } - - private VulkanRenderer _gd; - private int _currentSize; - private BufferHandle _repeatingBuffer; - - public IndexBufferPattern(VulkanRenderer gd, - int primitiveVertices, - int primitiveVerticesOut, - int baseIndex, - int[] offsetIndex, - int indexStride, - bool repeatStart) - { - PrimitiveVertices = primitiveVertices; - PrimitiveVerticesOut = primitiveVerticesOut; - BaseIndex = baseIndex; - OffsetIndex = offsetIndex; - IndexStride = indexStride; - RepeatStart = repeatStart; - - _gd = gd; - } - - public int GetPrimitiveCount(int vertexCount) - { - return Math.Max(0, (vertexCount - BaseIndex) / IndexStride); - } - - public int GetConvertedCount(int indexCount) - { - int primitiveCount = GetPrimitiveCount(indexCount); - return primitiveCount * OffsetIndex.Length; - } - - public IEnumerable<int> GetIndexMapping(int indexCount) - { - int primitiveCount = GetPrimitiveCount(indexCount); - int index = BaseIndex; - - for (int i = 0; i < primitiveCount; i++) - { - if (RepeatStart) - { - // Used for triangle fan - yield return 0; - } - - for (int j = RepeatStart ? 1 : 0; j < OffsetIndex.Length; j++) - { - yield return index + OffsetIndex[j]; - } - - index += IndexStride; - } - } - - public BufferHandle GetRepeatingBuffer(int vertexCount, out int indexCount) - { - int primitiveCount = GetPrimitiveCount(vertexCount); - indexCount = primitiveCount * PrimitiveVerticesOut; - - int expectedSize = primitiveCount * OffsetIndex.Length; - - if (expectedSize <= _currentSize && _repeatingBuffer != BufferHandle.Null) - { - return _repeatingBuffer; - } - - // Expand the repeating pattern to the number of requested primitives. - BufferHandle newBuffer = _gd.BufferManager.CreateWithHandle(_gd, expectedSize * sizeof(int)); - - // Copy the old data to the new one. - if (_repeatingBuffer != BufferHandle.Null) - { - _gd.Pipeline.CopyBuffer(_repeatingBuffer, newBuffer, 0, 0, _currentSize * sizeof(int)); - _gd.DeleteBuffer(_repeatingBuffer); - } - - _repeatingBuffer = newBuffer; - - // Add the additional repeats on top. - int newPrimitives = primitiveCount; - int oldPrimitives = (_currentSize) / OffsetIndex.Length; - - int[] newData; - - newPrimitives -= oldPrimitives; - newData = new int[expectedSize - _currentSize]; - - int outOffset = 0; - int index = oldPrimitives * IndexStride + BaseIndex; - - for (int i = 0; i < newPrimitives; i++) - { - if (RepeatStart) - { - // Used for triangle fan - newData[outOffset++] = 0; - } - - for (int j = RepeatStart ? 1 : 0; j < OffsetIndex.Length; j++) - { - newData[outOffset++] = index + OffsetIndex[j]; - } - - index += IndexStride; - } - - _gd.SetBufferData(newBuffer, _currentSize * sizeof(int), MemoryMarshal.Cast<int, byte>(newData)); - _currentSize = expectedSize; - - return newBuffer; - } - - public void Dispose() - { - if (_repeatingBuffer != BufferHandle.Null) - { - _gd.DeleteBuffer(_repeatingBuffer); - _repeatingBuffer = BufferHandle.Null; - } - } - } -} |
