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Merge pull request #3672 from EmptyChaos/d3d-anisotropy

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Fix D3D Forced Anisotropy
This commit is contained in:
Pierre Bourdon
2016-03-26 03:25:01 +01:00
parent ae4cb12033 0b9a72a62d
commit 2fd0884347
11 changed files with 85 additions and 23 deletions
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30
Source/Core/VideoCommon/SamplerCommon.h Normal file
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@ -0,0 +1,30 @@
// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#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.
// If both the minification and magnification filters are set to POINT modes
// then applying anisotropic filtering is equivalent to forced filtering. Point
// mode textures are usually some sort of 2D UI billboard which will end up
// misaligned from the correct pixels when filtered anisotropically.
template<class T>
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;

3
Source/Core/VideoCommon/VideoCommon.vcxproj
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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|x64">
@ -133,6 +133,7 @@
<ClInclude Include="PixelShaderManager.h" />
<ClInclude Include="PostProcessing.h" />
<ClInclude Include="RenderBase.h" />
<ClInclude Include="SamplerCommon.h" />
<ClInclude Include="ShaderGenCommon.h" />
<ClInclude Include="Statistics.h" />
<ClInclude Include="GeometryShaderGen.h" />

7
Source/Core/VideoCommon/VideoCommon.vcxproj.filters
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@ -1,4 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Base">
@ -302,8 +302,11 @@
<ClInclude Include="GeometryShaderManager.h">
<Filter>Shader Managers</Filter>
</ClInclude>
<ClInclude Include="SamplerCommon.h">
<Filter>Util</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<Text Include="CMakeLists.txt" />
</ItemGroup>
</Project>
</Project>