cohtml::SystemRenderer Class Reference

The SystemRenderer lives on the render thread and holds all resources shared between mutliple Views belonging to the same System (font atlases, texture caches etc.) More...

Public Member Functions
virtual ViewRenderer *	CreateViewRenderer (View *owner, const ViewRendererSettings &settings)=0
	Creates a new ViewRenderer used to draw a single View. More...
virtual void	Destroy ()=0
	Destroys the SystemRenderer freeing all resources associated with it. More...
virtual void	RegisterRenderThread (renoir::RendererBackend *backend)=0
	Registers the SystemRenderer with a render thread and sets the rendering backend. More...
virtual void	FreeRenderingResources ()=0
	Frees all rendering resources used by Hummingbird that are shared in the System. More...

Detailed Description

The SystemRenderer lives on the render thread and holds all resources shared between mutliple Views belonging to the same System (font atlases, texture caches etc.)

Member Function Documentation

CreateViewRenderer()

virtual ViewRenderer* cohtml::SystemRenderer::CreateViewRenderer ( View *  owner, const ViewRendererSettings &  settings  )

pure virtual

Creates a new ViewRenderer used to draw a single View.

Parameters

owner	the view that will be rendered by the new ViewRenderer
settings	settings of the new ViewRenderer

Returns

the new ViewRenderer instance

Note

Can be called on the main thread

Destroy()

virtual void cohtml::SystemRenderer::Destroy ( )

pure virtual

Destroys the SystemRenderer freeing all resources associated with it.

Note

All ViewRenderers created from this should be destoryed before

FreeRenderingResources()

virtual void cohtml::SystemRenderer::FreeRenderingResources ( )

pure virtual

Frees all rendering resources used by Hummingbird that are shared in the System.

Note

system-wide shared rendering resources include textures, shaders, font glyphs, texture sampler objects, pipeline states. path buffers. Constant/vertex/index buffers are managed on a per-view basis and can be freed with cohtml::ViewRenderer::FreeRenderingResources

See also

cohtml::ViewRenderer::FreeRenderingResources

RegisterRenderThread()

virtual void cohtml::SystemRenderer::RegisterRenderThread ( renoir::RendererBackend *  backend )

pure virtual

Registers the SystemRenderer with a render thread and sets the rendering backend.

Parameters

backend

Backend to be used in the render thread

Note

You must call this on the render thread.