Refactoring Samplers

- Add Sampler base class
- Add ColorAttachment, DepthAttachment classes
- Add function name to all traces
- Add Framebuffer resizing

Vulkan/src/Common.h

@@ -57,7 +57,7 @@ namespace Copium
   std::string StringFormat(const std::string& format, Args... args)
   {
     int size = std::snprintf(nullptr, 0, format.c_str(), args...) + 1;
-    CP_ASSERT(size > 0, "Error during formatting");
+    CP_ASSERT(size > 0, "StringFormat : Error during formatting");
     std::unique_ptr<char[]> buf(new char[size]);
     std::snprintf(buf.get(), size, format.c_str(), args...);
     return std::string(buf.get(), buf.get() + size - 1);