Mirrors/Ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use volatile read/writes for GAL threading (#4327)

Browse source
This commit is contained in:
riperiperi 2023-01-21 19:49:55 +00:00 committed by GitHub
parent 6adf15e479
commit 423dbc8888
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
Ryujinx.Graphics.GAL/Multithreading/ThreadedRenderer.cs
View file

@ -135,7 +135,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
// The other thread can only increase the command count.
// We can assume that if it is above 0, it will stay there or get higher.
while (_commandCount > 0 && Volatile.Read(ref _interruptAction) == null)
while (Volatile.Read(ref _commandCount) > 0 && Volatile.Read(ref _interruptAction) == null)
{
int commandPtr = _consumerPtr;
@ -169,7 +169,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
internal ref T New<T>() where T : struct
{
while (_producerPtr == (_consumerPtr + QueueCount - 1) % QueueCount)
while (_producerPtr == (Volatile.Read(ref _consumerPtr) + QueueCount - 1) % QueueCount)
{
// If incrementing the producer pointer would overflow, we need to wait.
// _consumerPtr can only move forward, so there's no race to worry about here.