From 7ee606517875f0d12d4c75c5c807f4b6a8ffcf58 Mon Sep 17 00:00:00 2001
From: Morph <39850852+Morph1984@users.noreply.github.com>
Date: Sun, 23 Feb 2020 19:01:17 -0500
Subject: Create an "Advanced" tab in the graphics configuration tab and add
 anisotropic filtering levels.

---
 .../renderer_opengl/gl_sampler_cache.cpp           |  2 +-
 src/video_core/textures/texture.h                  | 24 +++++++++++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

(limited to 'src/video_core')

diff --git a/src/video_core/renderer_opengl/gl_sampler_cache.cpp b/src/video_core/renderer_opengl/gl_sampler_cache.cpp
index 3ded5ecea..5c174879a 100644
--- a/src/video_core/renderer_opengl/gl_sampler_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_sampler_cache.cpp
@@ -38,7 +38,7 @@ OGLSampler SamplerCacheOpenGL::CreateSampler(const Tegra::Texture::TSCEntry& tsc
         glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY, tsc.GetMaxAnisotropy());
     } else if (GLAD_GL_EXT_texture_filter_anisotropic) {
         glSamplerParameterf(sampler_id, GL_TEXTURE_MAX_ANISOTROPY_EXT, tsc.GetMaxAnisotropy());
-    } else if (tsc.GetMaxAnisotropy() != 1) {
+    } else {
         LOG_WARNING(Render_OpenGL, "Anisotropy not supported by host GPU driver");
     }
 
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
index 8e82c6748..07098c70d 100644
--- a/src/video_core/textures/texture.h
+++ b/src/video_core/textures/texture.h
@@ -8,6 +8,7 @@
 #include "common/assert.h"
 #include "common/bit_field.h"
 #include "common/common_types.h"
+#include "core/settings.h"
 
 namespace Tegra::Texture {
 
@@ -294,6 +295,14 @@ enum class TextureMipmapFilter : u32 {
     Linear = 3,
 };
 
+enum class Anisotropy {
+    Default,
+    Filter2x,
+    Filter4x,
+    Filter8x,
+    Filter16x,
+};
+
 struct TSCEntry {
     union {
         struct {
@@ -328,7 +337,20 @@ struct TSCEntry {
     };
 
     float GetMaxAnisotropy() const {
-        return static_cast<float>(1U << max_anisotropy);
+        switch (static_cast<Anisotropy>(Settings::values.max_anisotropy)) {
+        case Anisotropy::Default:
+            return static_cast<float>(1U << max_anisotropy);
+        case Anisotropy::Filter2x:
+            return static_cast<float>(2U << max_anisotropy);
+        case Anisotropy::Filter4x:
+            return static_cast<float>(4U << max_anisotropy);
+        case Anisotropy::Filter8x:
+            return static_cast<float>(8U << max_anisotropy);
+        case Anisotropy::Filter16x:
+            return static_cast<float>(16U << max_anisotropy);
+        default:
+            return static_cast<float>(1U << max_anisotropy);
+        }
     }
 
     float GetMinLod() const {
-- 
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