Multi swapchain support (#257)

* multi swapchain draft

* uwp fix

* swapchain resize handling

* swapchain buffercount

* vsync toggle

* tests fix

* update

* everything removed from graphicsdevice regarding global screen params, engine refactor

* added GetSwapChainTexture() function to graphics device; screenshot() now requires swapChain

* linux fix: vulkan device needs window handle for instance creation

* refactor

* removed unused includes

* shader refactor and lensflare fix

* swapchain clearcolor and other refactors

* vulkan: no vector allocation in submit

* tests fix

* refactors

* lens flare canvas size fix

* gui refactor for canvas support

* refactors

* removed global canvas state

* msaa fix

* fixes

* refactor to minimize interface changes

* gui changes

* checkbox fix

* gui fixes

* fixes

* input system will accept window handle

* editor fixes

* refactor and removed resolution related system events

* small editor update

* refactor: renderpath inherits from canvas

* fixed tests duh

* image refactor

* image fix

* removed every using namespace std

* pushconstant fix

* editor: object picking only when necessary

* removed include

* dx12: copy fence waiting performed on CPU

* dx12 copyallocator update

* vulkan: copy allocator with timeline semaphores

* missing include

* dx12 copy allocator update

* refactor

* editor update

* vulkan copy allocator fix

* dx12 update

* vulkan, dx12 fixes

* version bump

* vsync event helper

* documentation update

* updated vulkan, dx12, dxc

Editor/main_Windows.cpp

@@ -4,8 +4,6 @@
 
 #include <fstream>
 
-using namespace std;
-
 #define MAX_LOADSTRING 100
 
 // Global Variables:
@@ -119,9 +117,9 @@ BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
    int x = CW_USEDEFAULT, y = 0, w = CW_USEDEFAULT, h = 0;
    bool fullscreen = false;
    bool borderless = false;
-   string voidStr = "";
+   std::string voidStr = "";
 
-   ifstream file("config.ini");
+   std::ifstream file("config.ini");
    if (file.is_open())
    {
 	   int enabled;
@@ -201,17 +199,15 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
         } 
         break;
 	case WM_SIZE:
-	    wiEvent::FireEvent(SYSTEM_EVENT_CHANGE_RESOLUTION, lParam);
-	    break;
 	case WM_DPICHANGED:
-        wiEvent::FireEvent(SYSTEM_EVENT_CHANGE_DPI, wParam);
+		editor.SetWindow(hWnd);
 	    break;
 	case WM_HOTKEY:
 		switch (wParam)
 		{
 		case PRINTSCREEN:
 			{
-				wiHelper::screenshot();
+				wiHelper::screenshot(editor.swapChain);
 			}
 			break;
 		default: