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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
parent 902e5cddf7
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;
}
}

3
Source/Core/VideoCommon/TextureCacheBase.cpp
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@ -26,6 +26,7 @@
#include "VideoCommon/FramebufferManagerBase.h"
#include "VideoCommon/HiresTextures.h"
#include "VideoCommon/RenderBase.h"
#include "VideoCommon/SamplerCommon.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/TextureCacheBase.h"
#include "VideoCommon/TextureDecoder.h"
@ -440,7 +441,7 @@ TextureCacheBase::TCacheEntryBase* TextureCacheBase::Load(const u32 stage)
const int texformat = tex.texImage0[id].format;
const u32 tlutaddr = tex.texTlut[id].tmem_offset << 9;
const u32 tlutfmt = tex.texTlut[id].tlut_format;
const bool use_mipmaps = (tex.texMode0[id].min_filter & 3) != 0;
const bool use_mipmaps = SamplerCommon::AreBpTexMode0MipmapsEnabled(tex.texMode0[id]);
u32 tex_levels = use_mipmaps ? ((tex.texMode1[id].max_lod + 0xf) / 0x10 + 1) : 1;
const bool from_tmem = tex.texImage1[id].image_type != 0;