refactor(engine): bind texture to gl texture unit with DSA

1 files changed, 2 insertions, 34 deletions

diff --git a/engine/src/opengl/texture.rs b/engine/src/opengl/texture.rs
index 706b9c9..80a5f37 100644
--- a/engine/src/opengl/texture.rs
+++ b/engine/src/opengl/texture.rs
@@ -19,10 +19,10 @@ impl Texture
         Self { texture }
     }
 
-    pub fn bind(&self)
+    pub fn bind_to_texture_unit(&self, texture_unit: u32)
     {
         unsafe {
-            gl::BindTexture(gl::TEXTURE_2D, self.texture);
+            gl::BindTextureUnit(texture_unit, self.texture);
         }
     }
 
@@ -167,35 +167,3 @@ impl PixelDataFormat
         }
     }
 }
-
-pub fn set_active_texture_unit(texture_unit: TextureUnit)
-{
-    unsafe {
-        gl::ActiveTexture(texture_unit.into_gl());
-    }
-}
-
-macro_rules! texture_unit_enum {
-    (cnt=$cnt: literal) => {
-        seq_macro::seq!(N in 0..$cnt {
-            #[derive(Debug, Clone, Copy)]
-            pub enum TextureUnit {
-                #(
-                    No~N,
-                )*
-            }
-
-            impl TextureUnit {
-                fn into_gl(self) -> gl::types::GLenum {
-                    match self {
-                        #(
-                            Self::No~N => gl::TEXTURE~N,
-                        )*
-                    }
-                }
-            }
-        });
-    };
-}
-
-texture_unit_enum!(cnt = 3);