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Fix Vulkan validation errors

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This PR fixes several validation errors caused by invalid Vulkan usage. These validation errors often end up invoking Undefined Behavior on the driver side, which can lead to artifacts or crashes which are driver specific and otherwise incredibly hard to track. I don't think it should have any impact on performance, but it would be good to test it with as many games as possible (maybe a bug in a game was fixed?).

Each commit fixes an error. I added to each a description with the validation error that was fixed and a small explanation on what was causing it and how I fixed it.

Co-authored-by: AsperTheDog <guillerman0000@gmail.com>
This commit is contained in:
AsperTheDog
2026-05-16 23:37:11 -05:00
committed by KeatonTheBot
co-authored by AsperTheDog
parent 30ab86cb72
commit e0f6e207e8
7 changed files with 93 additions and 29 deletions
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src/Ryujinx.Graphics.Vulkan/VertexBufferState.cs
+2 -8
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@@ -67,9 +67,7 @@ namespace Ryujinx.Graphics.Vulkan
int stride = (_stride + (alignment - 1)) & -alignment;
int newSize = (_size / _stride) * stride;
var buffer = autoBuffer.Get(cbs, 0, newSize).Value;
updater.BindVertexBuffer(cbs, binding, buffer, 0, (ulong)newSize, (ulong)stride);
updater.BindVertexBuffer(cbs, binding, autoBuffer, 0, newSize, (ulong)stride);
_buffer = autoBuffer;
@@ -92,11 +90,7 @@ namespace Ryujinx.Graphics.Vulkan
if (autoBuffer != null)
{
int offset = _offset;
bool mirrorable = _size <= VertexBufferMaxMirrorable;
var buffer = mirrorable ? autoBuffer.GetMirrorable(cbs, ref offset, _size, out _).Value : autoBuffer.Get(cbs, offset, _size).Value;
updater.BindVertexBuffer(cbs, binding, buffer, (ulong)offset, (ulong)_size, (ulong)_stride);
updater.BindVertexBuffer(cbs, binding, autoBuffer, _offset, _size, (ulong)_stride);
}
}