# Stage 2.1

- Split palladium into diffrent libraries
- Fix a Logical bug in App class
- Add New Flag to Init App Data Directory
- Add Cmake Option for build tests
- Bump Version in cmake file
- Make Hid a Driver
- Start moving 3ds specific stuff into pd-lib3ds
- Split Lithium into more files

include/pd/lithium/screen.hpp

@@ -0,0 +1,77 @@
+#pragma once
+
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <3ds.h>
+#include <citro3d.h>
+
+#include <pd/core/common.hpp>
+#include <pd/maths/vec.hpp>
+
+namespace PD {
+class Screen : public SmartCtor<Screen> {
+ public:
+  enum Screen_ { Top, Bottom, TopRight };
+  Screen(Screen_ screen) : type(screen) {
+    if (screen == Top) {
+      target = C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8,
+                                      GPU_RB_DEPTH24_STENCIL8);
+      C3D_RenderTargetSetOutput(target, GFX_TOP, GFX_LEFT,
+                                DisplayTransferFlags);
+    } else if (screen == Bottom) {
+      target = C3D_RenderTargetCreate(240, 320, GPU_RB_RGBA8,
+                                      GPU_RB_DEPTH24_STENCIL8);
+      C3D_RenderTargetSetOutput(target, GFX_BOTTOM, GFX_LEFT,
+                                DisplayTransferFlags);
+    } else if (screen == TopRight) {
+      target = C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8,
+                                      GPU_RB_DEPTH24_STENCIL8);
+      C3D_RenderTargetSetOutput(target, GFX_TOP, GFX_RIGHT,
+                                DisplayTransferFlags);
+    }
+  }
+  ~Screen() {}
+
+  void Clear() { C3D_RenderTargetClear(target, C3D_CLEAR_ALL, 0x00000000, 0); }
+  void Use() { C3D_FrameDrawOn(target); }
+
+  vec2 GetSize() const {
+    return vec2(target->frameBuf.height, target->frameBuf.width);
+  }
+
+  Screen_ ScreenType() const { return type; }
+
+  C3D_RenderTarget* Get() const { return target; }
+  operator C3D_RenderTarget*() const { return target; }
+
+ private:
+  Screen_ type;
+  const u32 DisplayTransferFlags =
+      (GX_TRANSFER_FLIP_VERT(0) | GX_TRANSFER_OUT_TILED(0) |
+       GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGBA8) |
+       GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGB8) |
+       GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO));
+  C3D_RenderTarget* target;
+};
+}  // namespace PD