Added MipLODBias clamping, thanks to @ShmidtS

cdozdil · cdozdil · commit f2fd20d8181b · 2026-02-08T12:25:13.000+03:00
diff --git a/OptiScaler/hooks/D3D11_Hooks.cpp b/OptiScaler/hooks/D3D11_Hooks.cpp
@@ -462,6 +462,8 @@ static HRESULT hkCreateSamplerState(ID3D11Device* This, const D3D11_SAMPLER_DESC
             State::Instance().lastMipBias = newDesc.MipLODBias;
     }
 
+    newDesc.MipLODBias = std::clamp(newDesc.MipLODBias, -16.0f, 15.99f);
+
     return o_CreateSamplerState(This, &newDesc, ppSamplerState);
 }
 
diff --git a/OptiScaler/hooks/D3D12_Hooks.cpp b/OptiScaler/hooks/D3D12_Hooks.cpp
@@ -181,6 +181,8 @@ static void ApplySamplerOverrides(D3D12_STATIC_SAMPLER_DESC& samplerDesc)
         }
     }
 
+    samplerDesc.MipLODBias = std::clamp(samplerDesc.MipLODBias, -16.0f, 15.99f);
+
     if (Config::Instance()->AnisotropyOverride.has_value())
     {
         LOG_DEBUG("Overriding {2:X} to anisotropic filtering {0} -> {1}", samplerDesc.MaxAnisotropy,

Original file line number	Diff line number	Diff line change
`@@ -462,6 +462,8 @@ static HRESULT hkCreateSamplerState(ID3D11Device* This, const D3D11_SAMPLER_DESC`
`462`	`462`	`State::Instance().lastMipBias = newDesc.MipLODBias;`
`463`	`463`	`}`
`464`	`464`
	`465`	`+ newDesc.MipLODBias = std::clamp(newDesc.MipLODBias, -16.0f, 15.99f);`
	`466`	`+`
`465`	`467`	`return o_CreateSamplerState(This, &newDesc, ppSamplerState);`
`466`	`468`	`}`
`467`	`469`
Original file line number	Diff line number	Diff line change
`@@ -181,6 +181,8 @@ static void ApplySamplerOverrides(D3D12_STATIC_SAMPLER_DESC& samplerDesc)`
`181`	`181`	`}`
`182`	`182`	`}`
`183`	`183`
	`184`	`+ samplerDesc.MipLODBias = std::clamp(samplerDesc.MipLODBias, -16.0f, 15.99f);`
	`185`	`+`
`184`	`186`	`if (Config::Instance()->AnisotropyOverride.has_value())`
`185`	`187`	`{`
`186`	`188`	`LOG_DEBUG("Overriding {2:X} to anisotropic filtering {0} -> {1}", samplerDesc.MaxAnisotropy,`