From f4ff1af49b83ea163ad51b8972cac50d8dfa269d Mon Sep 17 00:00:00 2001
From: Ivo Worms <ivo.worms384@gmail.com>
Date: Fri, 25 Oct 2024 21:49:25 +0200
Subject: [PATCH] Add support anisotropic filtering and for limiting the
 maximum number of mipmaps

---
 src/texture/texture2d.rs | 6 ++++++
 src/texture/texture3d.rs | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/texture/texture2d.rs b/src/texture/texture2d.rs
index ee73352..87a36b2 100644
--- a/src/texture/texture2d.rs
+++ b/src/texture/texture2d.rs
@@ -21,10 +21,14 @@ pub struct Texture2D {
     pub mag_filter: Interpolation,
     /// Specifies whether mipmaps should be created for this texture and what type of interpolation to use between the two closest mipmaps.
     pub mip_map_filter: Option<Interpolation>,
+    /// Specifies the maximum number of mipmaps that can be created for this texture.
+    pub mip_map_limit: Option<u32>,
     /// Determines how the texture is sampled outside the [0..1] s coordinate range (the first value of the uv coordinates).
     pub wrap_s: Wrapping,
     /// Determines how the texture is sampled outside the [0..1] t coordinate range (the second value of the uv coordinates).
     pub wrap_t: Wrapping,
+    /// Specifies the level of anisotropic filtering to be applied.
+    pub anisotropic_filter: Option<u32>,
 }
 
 impl Default for Texture2D {
@@ -37,8 +41,10 @@ impl Default for Texture2D {
             min_filter: Interpolation::Linear,
             mag_filter: Interpolation::Linear,
             mip_map_filter: Some(Interpolation::Linear),
+            mip_map_limit: None,
             wrap_s: Wrapping::Repeat,
             wrap_t: Wrapping::Repeat,
+            anisotropic_filter: None,
         }
     }
 }
diff --git a/src/texture/texture3d.rs b/src/texture/texture3d.rs
index 853df2a..f697bdb 100644
--- a/src/texture/texture3d.rs
+++ b/src/texture/texture3d.rs
@@ -23,12 +23,16 @@ pub struct Texture3D {
     pub mag_filter: Interpolation,
     /// Specifies whether mipmaps should be created for this texture and what type of interpolation to use between the two closest mipmaps.
     pub mip_map_filter: Option<Interpolation>,
+    /// Specifies the maximum number of mipmaps that can be created for this texture.
+    pub mip_map_limit: Option<u32>,
     /// Determines how the texture is sampled outside the [0..1] s coordinate range (the first value of the uvw coordinates).
     pub wrap_s: Wrapping,
     /// Determines how the texture is sampled outside the [0..1] t coordinate range (the second value of the uvw coordinates).
     pub wrap_t: Wrapping,
     /// Determines how the texture is sampled outside the [0..1] r coordinate range (the third value of the uvw coordinates).
     pub wrap_r: Wrapping,
+    /// Specifies the level of anisotropic filtering to be applied.
+    pub anisotropic_filter: Option<u32>,
 }
 
 impl Default for Texture3D {
@@ -42,9 +46,11 @@ impl Default for Texture3D {
             min_filter: Interpolation::Linear,
             mag_filter: Interpolation::Linear,
             mip_map_filter: Some(Interpolation::Linear),
+            mip_map_limit: None,
             wrap_s: Wrapping::Repeat,
             wrap_t: Wrapping::Repeat,
             wrap_r: Wrapping::Repeat,
+            anisotropic_filter: None,
         }
     }
 }