diff --git a/external/zlib b/external/zlib
index 04f42ce..09155ea 160000
--- a/external/zlib
+++ b/external/zlib
@@ -1 +1 @@
-Subproject commit 04f42ceca40f73e2978b50e93806c2a18c1281fc
+Subproject commit 09155eaa2f9270dc4ed1fa13e2b4b2613e6e4851
diff --git a/res/shaders/lib/MaterialParameter.slang b/res/shaders/lib/MaterialParameter.slang
index c77ac8e..6284b55 100644
--- a/res/shaders/lib/MaterialParameter.slang
+++ b/res/shaders/lib/MaterialParameter.slang
@@ -20,14 +20,13 @@ struct LightingParameter
 // data passed to fragment shader
 struct FragmentParameter
 {
-	// clip position has to be the first attribute for some reason????
-	float4 position_CS : SV_Position;
 	float3 position_TS;
 	float3 viewDir_TS;
 	float3 normal_WS;
 	float3 tangent_WS;
 	float3 biTangent_WS;
 	float3 position_WS;
+	float4 position_CS;
 	float2 texCoords;
 	float3 vertexColor;
 	MaterialParameter getMaterialParameter()
diff --git a/src/Engine/Component/KeyboardInput.h b/src/Engine/Component/KeyboardInput.h
index 33d3b61..48adb0e 100644
--- a/src/Engine/Component/KeyboardInput.h
+++ b/src/Engine/Component/KeyboardInput.h
@@ -12,6 +12,8 @@ struct KeyboardInput
     bool mouse2;
     float mouseX;
     float mouseY;
+    float deltaX;
+    float deltaY;
 };  
 } // namespace Component
 } // namespace Seele
\ No newline at end of file
diff --git a/src/Engine/Graphics/Vulkan/Command.cpp b/src/Engine/Graphics/Vulkan/Command.cpp
index ebacfe8..9710e37 100644
--- a/src/Engine/Graphics/Vulkan/Command.cpp
+++ b/src/Engine/Graphics/Vulkan/Command.cpp
@@ -468,6 +468,13 @@ CommandPool::CommandPool(PGraphics graphics, PQueue queue)
 
 CommandPool::~CommandPool()
 {
+    for (auto& command : allocatedBuffers)
+    {
+        command->waitForCommand();
+    }
+    allocatedRenderCommands.clear();
+    allocatedComputeCommands.clear();
+    allocatedBuffers.clear();
     vkDestroyCommandPool(graphics->getDevice(), commandPool, nullptr);
     graphics = nullptr;
     queue = nullptr;
diff --git a/src/Engine/Graphics/Vulkan/Graphics.cpp b/src/Engine/Graphics/Vulkan/Graphics.cpp
index a161134..7d8721f 100644
--- a/src/Engine/Graphics/Vulkan/Graphics.cpp
+++ b/src/Engine/Graphics/Vulkan/Graphics.cpp
@@ -522,8 +522,6 @@ void Graphics::createDevice(GraphicsInitializer initializer)
         .pNext = &descriptorIndexing,
         .queueCreateInfoCount = (uint32)queueInfos.size(),
         .pQueueCreateInfos = queueInfos.data(),
-        .enabledLayerCount = (uint32_t)initializer.layers.size(),
-        .ppEnabledLayerNames = initializer.layers.data(),
         .enabledExtensionCount = (uint32)initializer.deviceExtensions.size(),
         .ppEnabledExtensionNames = initializer.deviceExtensions.data(),
         .pEnabledFeatures = &features,
diff --git a/src/Engine/Graphics/Vulkan/Resources.cpp b/src/Engine/Graphics/Vulkan/Resources.cpp
index 54167b2..637c9e4 100644
--- a/src/Engine/Graphics/Vulkan/Resources.cpp
+++ b/src/Engine/Graphics/Vulkan/Resources.cpp
@@ -1,6 +1,8 @@
 #include "Resources.h"
 #include "Enums.h"
 #include "Graphics.h"
+#include "Command.h"
+#include "Window.h"
 
 using namespace Seele;
 using namespace Seele::Vulkan;
@@ -18,17 +20,7 @@ Semaphore::Semaphore(PGraphics graphics)
 
 Semaphore::~Semaphore()
 {
-    uint64 value = 0;
-    VkSemaphoreWaitInfo waitInfo = {
-        .sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO,
-        .pNext = nullptr,
-        .flags = 0,
-        .semaphoreCount = 1,
-        .pSemaphores = &handle,
-        .pValues = &value,
-    };
-    VK_CHECK(vkWaitSemaphores(graphics->getDevice(), &waitInfo, 10000));
-    vkDestroySemaphore(graphics->getDevice(), handle, nullptr);
+    graphics->getDestructionManager()->queueSemaphore(graphics->getGraphicsCommands()->getCommands(), handle);
 }
 
 Fence::Fence(PGraphics graphics)
diff --git a/src/Engine/Graphics/Vulkan/Texture.cpp b/src/Engine/Graphics/Vulkan/Texture.cpp
index 8e1a892..4e07859 100644
--- a/src/Engine/Graphics/Vulkan/Texture.cpp
+++ b/src/Engine/Graphics/Vulkan/Texture.cpp
@@ -41,9 +41,11 @@ TextureBase::TextureBase(PGraphics graphics, VkImageViewType viewType,
     , image(existingImage)
     , aspect(getAspectFromFormat(createInfo.format))
     , layout(Gfx::SE_IMAGE_LAYOUT_UNDEFINED)
+    , ownsImage(false)
 {
     if (existingImage == VK_NULL_HANDLE)
     {
+        ownsImage = true;
         PAllocator pool = graphics->getAllocator();
         VkImageType type = VK_IMAGE_TYPE_MAX_ENUM;
         VkImageCreateFlags flags = 0;
@@ -175,13 +177,16 @@ TextureBase::TextureBase(PGraphics graphics, VkImageViewType viewType,
         },
     };
     
-    VK_CHECK(vkCreateImageView(graphics->getDevice(), &viewInfo, nullptr, &defaultView));
+    VK_CHECK(vkCreateImageView(graphics->getDevice(), &viewInfo, nullptr, &imageView));
 }
 
 TextureBase::~TextureBase()
 {
-    graphics->getDestructionManager()->queueImage(graphics->getQueueCommands(currentOwner)->getCommands(), image);
-    graphics->getDestructionManager()->queueImageView(graphics->getQueueCommands(currentOwner)->getCommands(), defaultView);
+    if (ownsImage)
+    {
+        graphics->getDestructionManager()->queueImage(graphics->getQueueCommands(currentOwner)->getCommands(), image);
+    }
+    graphics->getDestructionManager()->queueImageView(graphics->getQueueCommands(currentOwner)->getCommands(), imageView);
 }
 
 
diff --git a/src/Engine/Graphics/Vulkan/Texture.h b/src/Engine/Graphics/Vulkan/Texture.h
index 25371e9..4c1a115 100644
--- a/src/Engine/Graphics/Vulkan/Texture.h
+++ b/src/Engine/Graphics/Vulkan/Texture.h
@@ -21,7 +21,7 @@ public:
     }
     constexpr VkImageView getView() const
     {
-        return defaultView;
+        return imageView;
     }
     constexpr Gfx::SeImageLayout getLayout() const
     {
@@ -72,9 +72,10 @@ protected:
     Gfx::SeFormat format;
     Gfx::SeImageUsageFlags usage;
     VkImage image;
-    VkImageView defaultView;
+    VkImageView imageView;
     VkImageAspectFlags aspect;
     Gfx::SeImageLayout layout;
+    uint8 ownsImage;
     friend class Graphics;
 };
 
diff --git a/src/Engine/Graphics/Vulkan/Window.cpp b/src/Engine/Graphics/Vulkan/Window.cpp
index ae505e7..dbd85cb 100644
--- a/src/Engine/Graphics/Vulkan/Window.cpp
+++ b/src/Engine/Graphics/Vulkan/Window.cpp
@@ -49,6 +49,11 @@ void glfwCloseCallback(GLFWwindow* handle)
     Window* window = (Window*)glfwGetWindowUserPointer(handle);
     window->closeCallback();
 }
+void glfwResizeCallback(GLFWwindow* handle, int width, int height)
+{
+    Window* window = (Window*)glfwGetWindowUserPointer(handle);
+    window->resize(width, height);
+}
 
 Window::Window(PGraphics graphics, const WindowCreateInfo &createInfo)
     : graphics(graphics)
@@ -68,20 +73,11 @@ Window::Window(PGraphics graphics, const WindowCreateInfo &createInfo)
     glfwSetScrollCallback(handle, &glfwScrollCallback);
     glfwSetDropCallback(handle, &glfwFileCallback);
     glfwSetWindowCloseCallback(handle, &glfwCloseCallback);
+    glfwSetWindowSizeCallback(handle, &glfwResizeCallback);
 
     glfwCreateWindowSurface(instance, handle, nullptr, &surface);
     
-    vkGetPhysicalDeviceSurfaceCapabilitiesKHR(graphics->getPhysicalDevice(), surface, &capabilities);
-    
-    uint32 numFormats;
-    vkGetPhysicalDeviceSurfaceFormatsKHR(graphics->getPhysicalDevice(), surface, &numFormats, nullptr);
-    supportedFormats.resize(numFormats);
-    vkGetPhysicalDeviceSurfaceFormatsKHR(graphics->getPhysicalDevice(), surface, &numFormats, supportedFormats.data());
-
-    uint32 numPresentModes;
-    vkGetPhysicalDeviceSurfacePresentModesKHR(graphics->getPhysicalDevice(), surface, &numPresentModes, nullptr);
-    supportedPresentModes.resize(numFormats);
-    vkGetPhysicalDeviceSurfacePresentModesKHR(graphics->getPhysicalDevice(), surface, &numPresentModes, supportedPresentModes.data());
+    querySurface();
     chooseSwapSurfaceFormat();
     framebufferFormat = cast(format.format);
     chooseSwapPresentMode();
@@ -175,6 +171,33 @@ void Window::setCloseCallback(std::function<void()> callback)
     closeCallback = callback;
 }
 
+void Window::resize(int width, int height)
+{
+    querySurface();
+    chooseSwapSurfaceFormat();
+    framebufferFormat = cast(format.format);
+    chooseSwapPresentMode();
+    chooseSwapExtent();
+    framebufferWidth = extent.width;
+    framebufferHeight = extent.height;
+    createSwapChain();
+}
+
+void Window::querySurface()
+{
+    vkGetPhysicalDeviceSurfaceCapabilitiesKHR(graphics->getPhysicalDevice(), surface, &capabilities);
+
+    uint32 numFormats;
+    vkGetPhysicalDeviceSurfaceFormatsKHR(graphics->getPhysicalDevice(), surface, &numFormats, nullptr);
+    supportedFormats.resize(numFormats);
+    vkGetPhysicalDeviceSurfaceFormatsKHR(graphics->getPhysicalDevice(), surface, &numFormats, supportedFormats.data());
+
+    uint32 numPresentModes;
+    vkGetPhysicalDeviceSurfacePresentModesKHR(graphics->getPhysicalDevice(), surface, &numPresentModes, nullptr);
+    supportedPresentModes.resize(numFormats);
+    vkGetPhysicalDeviceSurfacePresentModesKHR(graphics->getPhysicalDevice(), surface, &numPresentModes, supportedPresentModes.data());
+}
+
 void Window::chooseSwapSurfaceFormat()
 {
     for (const auto& supportedFormat : supportedFormats)
diff --git a/src/Engine/Graphics/Vulkan/Window.h b/src/Engine/Graphics/Vulkan/Window.h
index 088b7be..198abfb 100644
--- a/src/Engine/Graphics/Vulkan/Window.h
+++ b/src/Engine/Graphics/Vulkan/Window.h
@@ -23,6 +23,7 @@ public:
     virtual void setScrollCallback(std::function<void(double, double)> callback) override;
     virtual void setFileCallback(std::function<void(int, const char**)> callback) override;
     virtual void setCloseCallback(std::function<void()> callback);
+    void resize(int width, int height);
 
     std::function<void(KeyCode, InputAction, KeyModifier)> keyCallback;
     std::function<void(double, double)> mouseMoveCallback;
@@ -31,6 +32,7 @@ public:
     std::function<void(int, const char**)> fileCallback;
     std::function<void()> closeCallback;
 protected:
+    void querySurface();
     void chooseSwapSurfaceFormat();
     void chooseSwapPresentMode();
     void chooseSwapExtent();
diff --git a/src/Engine/Material/Material.cpp b/src/Engine/Material/Material.cpp
index c84d443..481e578 100644
--- a/src/Engine/Material/Material.cpp
+++ b/src/Engine/Material/Material.cpp
@@ -123,11 +123,11 @@ void Material::compile()
     // initialize variable state
     for(const auto& expr :codeExpressions)
     {
-        codeStream << expr->evaluate(varState);
+        codeStream << "\t\t" << expr->evaluate(varState);
     }
     for(const auto& [name, exp] : brdf.variables)
     {
-        codeStream << "\t\tresult." << name << " = " << varState[exp] << ";";
+        codeStream << "\t\tresult." << name << " = " << varState[exp] << ";" << std::endl;
     }
     codeStream << "\t\treturn result;\n";
     codeStream << "\t}\n";
diff --git a/src/Engine/System/CMakeLists.txt b/src/Engine/System/CMakeLists.txt
index 56fbb1b..fe6432a 100644
--- a/src/Engine/System/CMakeLists.txt
+++ b/src/Engine/System/CMakeLists.txt
@@ -5,6 +5,8 @@ target_sources(Engine
         ComponentSystem.h
         Executor.h
         Executor.cpp
+        KeyboardInput.h
+        KeyboardInput.cpp
         LightGather.h
         LightGather.cpp
         MeshUpdater.h
@@ -19,6 +21,7 @@ target_sources(Engine
             CameraUpdater.h
             ComponentSystem.h
             Executor.h
+            KeyboardInput.h
             LightGather.h
             MeshUpdater.h
             SystemBase.h
diff --git a/src/Engine/System/KeyboardInput.cpp b/src/Engine/System/KeyboardInput.cpp
new file mode 100644
index 0000000..802f782
--- /dev/null
+++ b/src/Engine/System/KeyboardInput.cpp
@@ -0,0 +1,51 @@
+#include "KeyboardInput.h"
+
+using namespace Seele;
+using namespace Seele::System;
+
+KeyboardInput::KeyboardInput(PScene scene)
+    : ComponentSystem<Component::KeyboardInput>(scene)
+{
+}
+
+KeyboardInput::~KeyboardInput()
+{
+}
+
+void KeyboardInput::update(Component::KeyboardInput& input)
+{
+    std::memcpy(input.keys.data(), keys.data(), sizeof(keys));
+    input.deltaX = deltaX;
+    input.deltaY = deltaY;
+    input.mouseX = mouseX;
+    input.mouseY = mouseY;
+    input.mouse1 = mouse1;
+    input.mouse2 = mouse2;
+}
+
+void KeyboardInput::keyCallback(KeyCode code, InputAction action, KeyModifier modifier)
+{
+    keys[code] = action != InputAction::RELEASE;
+}
+
+void KeyboardInput::mouseCallback(double x, double y)
+{
+    mouseX = x;
+    mouseY = y;
+    deltaX = x - lastMouseX;
+    deltaY = y - lastMouseY;
+    lastMouseX = x;
+    lastMouseY = y;
+}
+
+void KeyboardInput::mouseButtonCallback(MouseButton button, InputAction action, KeyModifier modifier)
+{
+    if (button == MouseButton::MOUSE_BUTTON_1)
+    {
+        mouse1 = action != InputAction::RELEASE;
+    }
+    if (button == MouseButton::MOUSE_BUTTON_2)
+    {
+        mouse2 = action != InputAction::RELEASE;
+    }
+}
diff --git a/src/Engine/System/KeyboardInput.h b/src/Engine/System/KeyboardInput.h
new file mode 100644
index 0000000..f0fb3b9
--- /dev/null
+++ b/src/Engine/System/KeyboardInput.h
@@ -0,0 +1,31 @@
+#pragma once
+#include "ComponentSystem.h"
+#include "Component/KeyboardInput.h"
+
+namespace Seele
+{
+namespace System
+{
+class KeyboardInput : public ComponentSystem<Component::KeyboardInput>
+{
+public:
+    KeyboardInput(PScene scene);
+    virtual ~KeyboardInput();
+    virtual void update(Component::KeyboardInput& input) override;
+    void keyCallback(KeyCode code, InputAction action, KeyModifier modifier);
+    void mouseCallback(double xPos, double yPos);
+    void mouseButtonCallback(MouseButton button, InputAction action, KeyModifier modifier);
+private:
+    Seele::StaticArray<bool, (size_t)KeyCode::KEY_LAST> keys;
+    bool mouse1 = false;
+    bool mouse2 = false;
+    float lastMouseX = 0;
+    float lastMouseY = 0;
+    float mouseX = 0;
+    float mouseY = 0;
+    float deltaX = 0;
+    float deltaY = 0;
+};
+DEFINE_REF(KeyboardInput)
+}
+}
\ No newline at end of file
diff --git a/src/Engine/System/SystemGraph.cpp b/src/Engine/System/SystemGraph.cpp
index 9666eef..51f53d5 100644
--- a/src/Engine/System/SystemGraph.cpp
+++ b/src/Engine/System/SystemGraph.cpp
@@ -2,7 +2,7 @@
 
 using namespace Seele;
 
-void SystemGraph::addSystem(System::UPSystemBase system)
+void SystemGraph::addSystem(System::OSystemBase system)
 {
     systems.add(std::move(system));
 }
diff --git a/src/Engine/System/SystemGraph.h b/src/Engine/System/SystemGraph.h
index 8b09ed5..d38e817 100644
--- a/src/Engine/System/SystemGraph.h
+++ b/src/Engine/System/SystemGraph.h
@@ -7,10 +7,10 @@ namespace Seele
 class SystemGraph
 {
 public:
-    void addSystem(System::UPSystemBase system);
+    void addSystem(System::OSystemBase system);
     void run(dp::thread_pool<>& threadPool, float deltaTime);
 private:
-    Array<System::UPSystemBase> systems;
+    Array<System::OSystemBase> systems;
 };
 DEFINE_REF(SystemGraph)
 } // namespace Seele;
\ No newline at end of file
diff --git a/src/Engine/Window/GameView.cpp b/src/Engine/Window/GameView.cpp
index a68b136..3f4b930 100644
--- a/src/Engine/Window/GameView.cpp
+++ b/src/Engine/Window/GameView.cpp
@@ -21,7 +21,6 @@ GameView::GameView(Gfx::PGraphics graphics, PWindow window, const ViewportCreate
         SkyboxRenderPass(graphics, scene)
     ))
 {
-    camera = new CameraActor(scene);
     reloadGame();
     renderGraph.updateViewport(viewport);
 }
@@ -65,7 +64,12 @@ void GameView::prepareRender()
 
 void GameView::render()
 {
-    renderGraph.render(camera->accessComponent<Component::Camera>());
+    Component::Camera cam;
+    scene->view<Component::Camera>([&cam](Component::Camera& c) {
+        if (c.mainCamera) 
+            cam = c; 
+    });
+    renderGraph.render(cam);
 }
 
 void GameView::reloadGame()
@@ -74,75 +78,33 @@ void GameView::reloadGame()
     
     systemGraph = new SystemGraph();
     gameInterface.getGame()->setupScene(scene, systemGraph);
+    System::OKeyboardInput keyInput = new System::KeyboardInput(scene);
+    keyboardSystem = keyInput;
+    systemGraph->addSystem(std::move(keyInput));
     systemGraph->addSystem(new System::LightGather(scene));
     systemGraph->addSystem(new System::MeshUpdater(scene));
     systemGraph->addSystem(new System::CameraUpdater(scene));
 }
 
-void GameView::keyCallback(KeyCode code, InputAction action, KeyModifier)
+void GameView::keyCallback(KeyCode code, InputAction action, KeyModifier modifier)
 {
-    scene->view<Component::KeyboardInput>([=, this](Component::KeyboardInput& input)
-    {
-        //if(code == KeyCode::KEY_R && action == InputAction::PRESS)
-        //{
-        //    auto cubeMesh = AssetRegistry::findMesh("cube");
-        //    PEntity cube2 = new Entity(scene);
-        //    Component::Transform& cube2Transform = cube2->attachComponent<Component::Transform>();
-        //    cube2Transform.setPosition(Vector(0, 20, 0));
-        //    cube2Transform.setRotation(Quaternion(Vector(0.f, 90.f, 90.f)));
-        //    cube2Transform.setScale(Vector(2.f, 2.f, 2.f));
-        //    cubeMesh->physicsMesh.type = Component::ColliderType::DYNAMIC;
-        //    cube2->attachComponent<Component::Collider>(cubeMesh->physicsMesh);
-        //    cube2->attachComponent<Component::StaticMesh>(cubeMesh);
-        //    Component::RigidBody& physics2 = cube2->attachComponent<Component::RigidBody>();
-        //    physics2.linearMomentum = Vector(0, -10, 0);
-        //    physics2.angularMomentum = Vector(0, 0, 0);
-        //}
-        //
-        //if(code == KeyCode::KEY_B && action == InputAction::PRESS)
-        //{
-        //    showDebug = !showDebug;
-        //    debugPassData.vertices.clear();
-        //}
-        if(code == KeyCode::KEY_R && action == InputAction::PRESS)
-        {
-            reloadGame();
-        }
-
-        input.keys[code] = action != InputAction::RELEASE;
-    });
+    keyboardSystem->keyCallback(code, action, modifier);
 }
 
 void GameView::mouseMoveCallback(double xPos, double yPos)
 {
-    scene->view<Component::KeyboardInput>([=](Component::KeyboardInput& input)
-    {
-        input.mouseX = static_cast<float>(xPos);
-        input.mouseY = static_cast<float>(yPos);
-    });
+    keyboardSystem->mouseCallback(xPos, yPos);
 }
 
-void GameView::mouseButtonCallback(MouseButton button, InputAction action, KeyModifier)
+void GameView::mouseButtonCallback(MouseButton button, InputAction action, KeyModifier modifier)
 {
-    scene->view<Component::KeyboardInput>([=](Component::KeyboardInput& input)
-    {
-        if (button == MouseButton::MOUSE_BUTTON_1)
-        {
-            input.mouse1 = action != InputAction::RELEASE;
-        }
-        if (button == MouseButton::MOUSE_BUTTON_2)
-        {
-            input.mouse2 = action != InputAction::RELEASE;
-        }
-    });
+    keyboardSystem->mouseButtonCallback(button, action, modifier);
 }
 
 void GameView::scrollCallback(double, double)
 {
-    
 }
 
 void GameView::fileCallback(int, const char**)
 {
-    
 }
diff --git a/src/Engine/Window/GameView.h b/src/Engine/Window/GameView.h
index 798d40c..51a79f0 100644
--- a/src/Engine/Window/GameView.h
+++ b/src/Engine/Window/GameView.h
@@ -5,6 +5,7 @@
 #include "Graphics/RenderPass/LightCullingPass.h"
 #include "Graphics/RenderPass/BasePass.h"
 #include "Graphics/RenderPass/SkyboxRenderPass.h"
+#include "System/KeyboardInput.h"
 #ifdef WIN32
 #include "Platform/Windows/GameInterface.h" // TODO
 #else
@@ -28,7 +29,6 @@ public:
 	void reloadGame();
 private:
 	OScene scene;
-	OEntity camera;
 	GameInterface gameInterface;
     RenderGraph<
         DepthPrepass,
@@ -38,6 +38,7 @@ private:
 		> renderGraph;
 
 	PSystemGraph systemGraph;
+	System::PKeyboardInput keyboardSystem;
 	dp::thread_pool<> threadPool;
 	float updateTime = 0;