From d4eb8a9af800422fec7f5d6777ce8687ca453c15 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sat, 12 Sep 2026 13:01:14 +0200
Subject: feat(engine): add border texture property

---
 engine/src/rendering/backend/opengl.rs | 11 +++++++++++
 engine/src/texture.rs                  | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/engine/src/rendering/backend/opengl.rs b/engine/src/rendering/backend/opengl.rs
index 25583b5..9df21c4 100644
--- a/engine/src/rendering/backend/opengl.rs
+++ b/engine/src/rendering/backend/opengl.rs
@@ -142,6 +142,7 @@ use crate::rendering::{
     RENDER_PHASE,
 };
 use crate::texture::{
+    Border as TextureBorder,
     CubeMapFace as CubeMapTextureFace,
     Filtering as TextureFiltering,
     Properties as TextureProperties,
@@ -1771,6 +1772,16 @@ fn create_gl_texture(
         texture_filtering_to_gl(texture_properties.minifying_filter),
     );
 
+    if let Some(border) = texture_properties.border.as_ref() {
+        gl_texture.set_float_border_values(
+            curr_gl_context,
+            match border {
+                TextureBorder::RgbaF32(color) => [color.r, color.g, color.b, color.a],
+                TextureBorder::Depth(depth) => [*depth, 0.0, 0.0, 0.0],
+            },
+        );
+    }
+
     Ok(gl_texture)
 }
 
diff --git a/engine/src/texture.rs b/engine/src/texture.rs
index 0c3e884..8361f12 100644
--- a/engine/src/texture.rs
+++ b/engine/src/texture.rs
@@ -2,6 +2,7 @@ use std::path::Path;
 
 use crate::asset::{Assets, Submitter as AssetSubmitter};
 use crate::builder;
+use crate::color::Rgba;
 use crate::image::{Error as ImageError, Image};
 
 #[derive(Debug, Clone)]
@@ -46,6 +47,7 @@ pub struct Properties
     pub wrap: Wrapping,
     pub magnifying_filter: Filtering,
     pub minifying_filter: Filtering,
+    pub border: Option<Border>,
 }
 }
 
@@ -65,6 +67,7 @@ impl Default for Properties
             wrap: Wrapping::Repeat,
             magnifying_filter: Filtering::Linear,
             minifying_filter: Filtering::Nearest,
+            border: None,
         }
     }
 }
@@ -96,6 +99,14 @@ pub enum Wrapping
     ClampToBorder,
 }
 
+#[derive(Debug, Clone)]
+#[non_exhaustive]
+pub enum Border
+{
+    RgbaF32(Rgba<f32>),
+    Depth(f32),
+}
+
 builder! {
 #[builder(name = ImportSettingsBuilder, derives=(Debug, Clone))]
 #[derive(Debug, Default, Clone)]
-- 
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