From be94cec078e86e643f52f0f3041a98b36e43ec8b Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Fri, 28 Aug 2026 18:32:58 +0200
Subject: feat(engine): add ability to create textures without images

---
 engine/src/rendering.rs | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

(limited to 'engine/src/rendering.rs')

diff --git a/engine/src/rendering.rs b/engine/src/rendering.rs
index 5219d0a..cb6ec08 100644
--- a/engine/src/rendering.rs
+++ b/engine/src/rendering.rs
@@ -25,7 +25,7 @@ use crate::rendering::blending::Config as BlendingConfig;
 use crate::rendering::object::{Id as ObjectId, Store as ObjectStore};
 use crate::rendering::shader::cursor::Binding as ShaderBinding;
 use crate::rendering::shader::Program as ShaderProgram;
-use crate::texture::{CubeMapFace, Texture};
+use crate::texture::{CubeMapFace, Properties as TextureProperties};
 use crate::vector::Vec2;
 use crate::windowing::dpi::PhysicalSize;
 use crate::windowing::window::Window;
@@ -77,7 +77,12 @@ impl crate::ecs::extension::Extension for Extension
 
         let _ = collector.add_sole(self.graphics_props);
 
-        collector.add_system(*PRE_RENDER_PHASE, main_render_pass::add_main_render_pass);
+        collector.add_system(
+            *PRE_RENDER_PHASE,
+            main_render_pass::add_main_render_pass
+                .into_system()
+                .initialize(Default::default()),
+        );
 
         collector.add_system(
             *RENDER_PHASE,
@@ -215,7 +220,13 @@ pub enum Command
     CreateShaderProgram(ObjectId, ShaderProgram),
     ActivateShader(ObjectId),
     SetShaderBinding(ShaderBinding),
-    CreateTexture(ObjectId, AssetOrValue<Texture>),
+    CreateTexture
+    {
+        obj_id: ObjectId,
+        pixel_data_format: TexturePixelDataFormat,
+        creation: TextureCreation,
+        properties: TextureProperties,
+    },
     UpdateTexture
     {
         obj_id: ObjectId,
@@ -399,6 +410,22 @@ bitflags! {
     }
 }
 
+#[derive(Debug, Clone)]
+#[non_exhaustive]
+pub enum TextureCreation
+{
+    Texture2D
+    {
+        size: Dimens<u32>,
+        image: Option<Box<[u8]>>,
+    },
+    CubeMap
+    {
+        size: Dimens<u32>,
+        images: Option<[(CubeMapFace, Box<[u8]>); 6]>,
+    },
+}
+
 #[derive(Debug, Clone)]
 #[non_exhaustive]
 pub enum TextureUpdate
-- 
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