(Temp) UI only renders to backbuffer

src/dawn/scene/components/display/CMakeLists.txt

@@ -12,6 +12,7 @@ target_sources(${DAWN_TARGET_NAME}
     PixelPerfectCamera.cpp
     TiledSprite.cpp
     SimpleRenderTargetQuad.cpp
+    CameraTexture.cpp
 )
 
 add_subdirectory(mesh)

src/dawn/scene/components/display/CameraTexture.cpp

@@ -0,0 +1,24 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "CameraTexture.hpp"
+
+using namespace Dawn;
+
+CameraTexture::CameraTexture(SceneItem *item) :
+  SceneItemComponent(item),
+  camera(nullptr),
+  renderTarget(32.0f, 32.0f)
+{
+}
+
+void CameraTexture::onStart() {
+  if(this->camera == nullptr) this->camera = item->getComponent<Camera>();
+
+  useEffect([&]{
+    if(this->camera == nullptr) return;
+    this->camera->renderTarget = &this->renderTarget;
+  }, this->camera)();
+}

src/dawn/scene/components/display/CameraTexture.hpp

@@ -0,0 +1,22 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "scene/components/display/Camera.hpp"
+#include "display/TextureRenderTarget.hpp"
+
+namespace Dawn {
+  class CameraTexture : public SceneItemComponent {
+    protected:
+
+    public:
+      StateProperty<Camera*> camera;
+      TextureRenderTarget renderTarget;
+
+      CameraTexture(SceneItem *item);
+
+      void onStart() override;
+  };
+}

src/dawn/scene/components/ui/UIComponent.cpp

@@ -37,6 +37,8 @@ void UIComponent::updateAlignment() {
   auto dimensional = this->getParentDimensional();
   auto translate = this->transform->getLocalPosition();
 
+  assertNotNull(dimensional);
+
   float_t parentWidth, parentHeight;
   parentWidth = dimensional->getWidth();
   parentHeight = dimensional->getHeight();