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Fixed Race-Condition in SamplerStateManager

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This commit is contained in:
Simon Lübeß
2023-08-01 22:50:09 +02:00
parent 60725c3588
commit d2600c7517
1 changed files with 28 additions and 12 deletions
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GlitchyEngine/src/Renderer/SamplerState.bf
+28 -12
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@@ -3,6 +3,7 @@ using GlitchyEngine.Core;
using GlitchyEngine.Math; using GlitchyEngine.Math;
using System.Collections; using System.Collections;
using Bon; using Bon;
using System.Threading;
namespace GlitchyEngine.Renderer namespace GlitchyEngine.Renderer
{ {
@@ -170,6 +171,7 @@ namespace GlitchyEngine.Renderer
public static class SamplerStateManager public static class SamplerStateManager
{ {
static Dictionary<SamplerStateDescription, SamplerState> _samplers; static Dictionary<SamplerStateDescription, SamplerState> _samplers;
static Monitor _samplersMonitor = new .() ~ delete _;
public static SamplerState PointClamp; public static SamplerState PointClamp;
public static SamplerState PointWrap; public static SamplerState PointWrap;
@@ -257,8 +259,11 @@ namespace GlitchyEngine.Renderer
AnisotropicClamp.ReleaseRef(); AnisotropicClamp.ReleaseRef();
AnisotropicWrap.ReleaseRef(); AnisotropicWrap.ReleaseRef();
delete _samplers; using (_samplersMonitor.Enter())
_samplers = null; {
delete _samplers;
_samplers = null;
}
} }
/** /**
@@ -273,13 +278,18 @@ namespace GlitchyEngine.Renderer
Log.EngineLogger.AssertDebug(_samplers != null, "SamplerStateManager was not initialized."); Log.EngineLogger.AssertDebug(_samplers != null, "SamplerStateManager was not initialized.");
if(_samplers.TryGetValue(desc, let sampler)) SamplerState newState;
{
return sampler..AddRef();
}
SamplerState newState = new SamplerState(desc); using (_samplersMonitor.Enter())
ManageSampler(newState); {
if(_samplers.TryGetValue(desc, let sampler))
{
return sampler..AddRef();
}
newState = new SamplerState(desc);
ManageSampler(newState);
}
return newState; return newState;
} }
@@ -287,8 +297,11 @@ namespace GlitchyEngine.Renderer
public static void ManageSampler(SamplerState samplerState) public static void ManageSampler(SamplerState samplerState)
{ {
Log.EngineLogger.AssertDebug(_samplers != null, "SamplerStateManager was not initialized."); Log.EngineLogger.AssertDebug(_samplers != null, "SamplerStateManager was not initialized.");
_samplers.Add(samplerState.Description, samplerState); using (_samplersMonitor.Enter())
{
_samplers.Add(samplerState.Description, samplerState);
}
} }
/** /**
@@ -298,8 +311,11 @@ namespace GlitchyEngine.Renderer
internal static void Remove(SamplerState samplerState) internal static void Remove(SamplerState samplerState)
{ {
Log.EngineLogger.AssertDebug(samplerState.RefCount == 0, "Tried to delete sampler with nonzero reference count."); Log.EngineLogger.AssertDebug(samplerState.RefCount == 0, "Tried to delete sampler with nonzero reference count.");
_samplers?.Remove(samplerState.Description); using (_samplersMonitor.Enter())
{
_samplers?.Remove(samplerState.Description);
}
} }
} }