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[GPU] Skip the upload walk when no CPU-dirty page is in range

This commit is contained in:
ParantezTech 2026-10-11 01:37:21 +03:00
parent d2090f47fb
commit a1b44452fa
1 changed files with 14 additions and 12 deletions
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26
src/SharpEmu.Libs/Gpu/Buffers/GuestBufferCache.cs
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@ -1895,12 +1895,14 @@ public sealed unsafe class GuestBufferCache : IGuestBufferStore, IDisposable
{
using var profileScope = RenderPhaseProfile.MeasureDetail(RenderPhaseProfile.Phase.BufferDirtySynchronization);
var startedAt = BufferUploadProfile.Enabled ? System.Diagnostics.Stopwatch.GetTimestamp() : 0;
if ((!preserveCpuWriteHotPages && !isWritten && !isTexelBuffer && !_tracker.MayHaveCpuDirtyPages(guestAddress, size)) ||
(isWritten && !isTexelBuffer && _gpuModifiedRanges.Contains(guestAddress, size)))
var nothingToUpload = isWritten
? _gpuModifiedRanges.Contains(guestAddress, size)
: !_tracker.MayHaveCpuDirtyPages(guestAddress, size);
if (nothingToUpload)
{
if (BufferUploadProfile.Enabled)
BufferUploadProfile.Record(guestAddress, size, 0, 0, 0, System.Diagnostics.Stopwatch.GetTimestamp() - startedAt);
return false;
return isTexelBuffer && SynchronizeTexelFromImage(buffer, guestAddress, size);
}
profileScope.SwitchPhase(isWritten
@ -2027,18 +2029,18 @@ public sealed unsafe class GuestBufferCache : IGuestBufferStore, IDisposable
BufferUploadProfile.Record(guestAddress, size, copies.Count, totalSize, hotBytes, elapsedTicks);
}
if (isTexelBuffer)
{
var copiedFromImage = RequireImageCache().TrySynchronizeBufferFromImage(buffer, guestAddress, size);
if (copiedFromImage)
{
buffer.NoteGpuWrite(buffer.Offset(guestAddress), size);
}
return isTexelBuffer && SynchronizeTexelFromImage(buffer, guestAddress, size);
}
return copiedFromImage;
private bool SynchronizeTexelFromImage(GpuBuffer buffer, ulong guestAddress, ulong size)
{
var copiedFromImage = RequireImageCache().TrySynchronizeBufferFromImage(buffer, guestAddress, size);
if (copiedFromImage)
{
buffer.NoteGpuWrite(buffer.Offset(guestAddress), size);
}
return false;
return copiedFromImage;
}
private GpuBuffer? FindOwner(ulong guestAddress, ulong size)