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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
2026-05-15 17:22:21 -05:00
committed by KeatonTheBot
co-authored by AsperTheDog
parent 79f55b12bf
commit e88fd3273d
7 changed files with 84 additions and 20 deletions
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src/Ryujinx.Graphics.Vulkan/VertexBufferUpdater.cs
+20 -4
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@@ -15,6 +15,10 @@ namespace Ryujinx.Graphics.Vulkan
private readonly NativeArray<ulong> _sizes;
private readonly NativeArray<ulong> _strides;
private readonly Auto<DisposableBuffer>[] _bufferAutos;
private readonly int[] _bufferOffsetsForGet;
private readonly int[] _bufferSizesForGet;
public VertexBufferUpdater(VulkanRenderer gd)
{
_gd = gd;
@@ -23,9 +27,13 @@ namespace Ryujinx.Graphics.Vulkan
_offsets = new NativeArray<ulong>(Constants.MaxVertexBuffers);
_sizes = new NativeArray<ulong>(Constants.MaxVertexBuffers);
_strides = new NativeArray<ulong>(Constants.MaxVertexBuffers);
_bufferAutos = new Auto<DisposableBuffer>[Constants.MaxVertexBuffers];
_bufferOffsetsForGet = new int[Constants.MaxVertexBuffers];
_bufferSizesForGet = new int[Constants.MaxVertexBuffers];
}
public void BindVertexBuffer(CommandBufferScoped cbs, uint binding, VkBuffer buffer, ulong offset, ulong size, ulong stride)
public void BindVertexBuffer(CommandBufferScoped cbs, uint binding, Auto<DisposableBuffer> autoBuffer, int offset, int size, ulong stride)
{
if (_count == 0)
{
@@ -39,9 +47,11 @@ namespace Ryujinx.Graphics.Vulkan
int index = (int)_count;
_buffers[index] = buffer;
_offsets[index] = offset;
_sizes[index] = size;
_bufferAutos[index] = autoBuffer;
_bufferOffsetsForGet[index] = offset;
_bufferSizesForGet[index] = size;
_offsets[index] = (ulong)offset;
_sizes[index] = (ulong)size;
_strides[index] = stride;
_count++;
@@ -51,6 +61,12 @@ namespace Ryujinx.Graphics.Vulkan
{
if (_count != 0)
{
for (int i = 0; i < _count; i++)
{
_buffers[i] = _bufferAutos[i].Get(cbs, _bufferOffsetsForGet[i], _bufferSizesForGet[i]).Value;
_bufferAutos[i] = null;
}
if (_gd.Capabilities.SupportsExtendedDynamicState)
{
_gd.ExtendedDynamicStateApi.CmdBindVertexBuffers2(