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VideoCommon: Refactor TexMode0 mipmaps disabled test into a helper function

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This commit is contained in:
EmptyChaos 2016-03-24 02:42:08 +00:00
commit 0b9a72a62d
8 changed files with 35 additions and 15 deletions
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12
Source/Core/VideoCommon/SamplerCommon.h
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@ -4,6 +4,9 @@
#pragma once
namespace SamplerCommon
{
// Helper for checking if a BPMemory TexMode0 register is set to Point
// Filtering modes. This is used to decide whether Anisotropic enhancements
// are (mostly) safe in the VideoBackends.
@ -16,3 +19,12 @@ constexpr bool IsBpTexMode0PointFiltering(const T& tm0)
{
return tm0.min_filter < 4 && !tm0.mag_filter;
}
// Check if the minification filter has mipmap based filtering modes enabled.
template<class T>
constexpr bool AreBpTexMode0MipmapsEnabled(const T& tm0)
{
return (tm0.min_filter & 3) != 0;
}
}