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

WickedEngine/wiRectPacker.cpp

@@ -2,8 +2,6 @@
 
 #include <algorithm>
 
-using namespace std;
-
 namespace wiRectPacker
 {
 
@@ -139,7 +137,7 @@ namespace wiRectPacker
 		for (int f = 0; f < funcs; ++f) {
 			order[f] = new rect_xywh*[n];
 			memcpy(order[f], v, sizeof(rect_xywh*) * n);
-			sort(order[f], order[f] + n, cmpf[f]);
+			std::sort(order[f], order[f] + n, cmpf[f]);
 		}
 
 		rect_wh min_bin = rect_wh(max_s, max_s);