From 2f420618ea88c897b8607a2e1bfd0b34fa7c2017 Mon Sep 17 00:00:00 2001
From: Morph <39850852+Morph1984@users.noreply.github.com>
Date: Thu, 18 Jun 2020 04:43:06 -0400
Subject: [PATCH] vk_sampler_cache: Emulate GL_LINEAR/NEAREST minification
 filters

Emulate GL_LINEAR/NEAREST minification filters using minLod = 0 and maxLod = 0.25 during sampler creation
---
 src/video_core/renderer_vulkan/vk_sampler_cache.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/video_core/renderer_vulkan/vk_sampler_cache.cpp b/src/video_core/renderer_vulkan/vk_sampler_cache.cpp
index e6f2fa553..616eacc36 100644
--- a/src/video_core/renderer_vulkan/vk_sampler_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_sampler_cache.cpp
@@ -9,6 +9,8 @@
 #include "video_core/renderer_vulkan/wrapper.h"
 #include "video_core/textures/texture.h"
 
+using Tegra::Texture::TextureMipmapFilter;
+
 namespace Vulkan {
 
 namespace {
@@ -63,8 +65,8 @@ vk::Sampler VKSamplerCache::CreateSampler(const Tegra::Texture::TSCEntry& tsc) c
     ci.maxAnisotropy = tsc.GetMaxAnisotropy();
     ci.compareEnable = tsc.depth_compare_enabled;
     ci.compareOp = MaxwellToVK::Sampler::DepthCompareFunction(tsc.depth_compare_func);
-    ci.minLod = tsc.GetMinLod();
-    ci.maxLod = tsc.GetMaxLod();
+    ci.minLod = tsc.mipmap_filter == TextureMipmapFilter::None ? 0.0f : tsc.GetMinLod();
+    ci.maxLod = tsc.mipmap_filter == TextureMipmapFilter::None ? 0.25f : tsc.GetMaxLod();
     ci.borderColor = arbitrary_borders ? VK_BORDER_COLOR_INT_CUSTOM_EXT : ConvertBorderColor(color);
     ci.unnormalizedCoordinates = VK_FALSE;
     return device.GetLogical().CreateSampler(ci);