cohtml::SystemRenderer

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

#include <SystemRenderer.h>

Public Functions #

Public Functions Documentation #

function ~SystemRenderer #

virtual ~SystemRenderer()

function CreateViewRenderer #

virtual ViewRenderer * CreateViewRenderer(
    View * owner,
    const ViewRendererSettings & settings
) =0

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

Return: the new ViewRenderer instance

Note: Can be called on the main (UI) thread

function Destroy #

virtual void Destroy() =0

Destroys the SystemRenderer freeing all resources associated with it.

Note: All ViewRenderers created from this should be destroyed before

function RegisterRenderThread #

virtual void RegisterRenderThread(
    renoir::RendererBackend * backend
) =0

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.

function FreeRenderingResources #

virtual void FreeRenderingResources() =0

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

See: cohtml::ViewRenderer::FreeRenderingResources

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