- Added 'Get*Ref()' to 'dxSharedContext'
- Fixed 'dxFramebuffer::Resize' not resizing :/
- Fixed 'dxFrameBuffer::BindAsTarget' not setting the viewport
- Fixed 'dxRenderCommand::SetViewport()' not resizing the swapchain's
buffer
- Improved 'dxGraphicsContext''s debug interface
- Removed most of the 'ComPtr's in 'dxGraphicsContext', they can be
accessed with the 'm_SharedContext'
- Added 'Camera::OnResize()' for keeping the aspect ratio updated to
prevent streching/squashing the scene
- Added 'FrameBuffe::Resize()'
- Enabled ImGui docking and viewport
- 'MirrorLayer::m_Camera' & 'MirrorLayer::m_Framebuffer' now adjust their properties
when ImGui's available region changes
