Added Blit-Class

GlitchyEngine/src/Renderer/Blit.bf

@@ -0,0 +1,27 @@
+using GlitchyEngine.Content;
+
+namespace GlitchyEngine.Renderer;
+
+static class Blit
+{
+	public static AssetHandle<Effect> _copyEffect;
+
+	internal static void Init()
+	{
+		_copyEffect = Content.LoadAsset("Resources/Shaders/Copy.hlsl");
+	}
+
+	public static void Blit(Texture2D source, RenderTarget2D destination, Effect blitEffect = _copyEffect, Viewport? viewport = null)
+	{
+		RenderCommand.UnbindRenderTargets();
+		RenderCommand.SetRenderTarget(destination);
+		RenderCommand.BindRenderTargets();
+		RenderCommand.SetViewport(viewport ?? Viewport(0, 0, destination.Width, destination.Height));
+
+		blitEffect.SetTexture("Texture", source);
+		blitEffect.ApplyChanges();
+		blitEffect.Bind();
+
+		FullscreenQuad.Draw();
+	}
+}

GlitchyEngine/src/Renderer/Renderer2D.bf

@@ -414,6 +414,8 @@ namespace GlitchyEngine.Renderer
 
 			FontRenderer.Init();
 
+			Blit.Init();
+
 #if DEBUG
 			s_initialized = true;
 #endif