Namespace: WebGL

Rendering.WebGL

Classes

BrushGL

InkCanvasGL

InkContext

InkLayer

OffscreenCanvasGL

OffscreenLayerGL

RectGL

StrokeDrawContext

StrokeRendererGL

Type Definitions

InkLayerOptions

Properties:

Name	Type	Attributes	Default	Description
width	int			Layer width, required when user defined framebuffer or renderbuffer properties are not available or specific texture size is desired
height	int			Layer height, required when user defined Framebuffer or Renderbuffer properties are not available or specific texture size is desired
scaleFactor	float	<optional>	1	Layer is scaled
flipY	boolean	<optional>	false
useBuffersStorage	boolean	<optional>	false	Used for auto allocated gl resources, by default allocates WebGLTextureWhen is true WebGLTexture is allocated else WebGLFramebuffer and WebGLRenderbuffer are allocated.Memory managment will be handled automatically.Applicable only when own resource is not available.
framebuffer	WebGLFramebuffer	<optional>		User defined framebuffer. When Renderbuffer not available it should be attached to the framebuffer.When attachment is not available or attachment is not renderbuffer exception is thrown. Renderbuffer dimensions used for layer creation.
renderbuffer	WebGLRenderbuffer	<optional>		User defined renderbuffer, Renderbuffer dimensions used for layer creation.
texture	WebGLTexture	<optional>		User defined texture,width and height not required when desired size matches image size and image is attached to the texture (fillTexture attaches image)
ownGlResources	boolean	<optional>	false	When own resource is attached, this property should be true.Memory managment will not be handled automatically, layer will free the GL resources when deallocated.Applicable only when own resource is available.

WebGLContextAttributes

Defines WebGL context attributes

Properties:

Name	Type	Attributes	Default	Description
alpha	boolean	<optional>	true	Boolean that indicates if the canvas contains an alpha buffer.
antialias	boolean	<optional>	true	Boolean that indicates whether or not to perform anti-aliasing.
depth	boolean	<optional>	true	Boolean that indicates whether or not to perform anti-aliasing.
desynchronized	boolean	<optional>	false	Boolean that hints the user agent to reduce the latency by desynchronizing the canvas paint cycle from the event loop.
failIfMajorPerformanceCaveat	boolean	<optional>	false	Boolean that indicates if a context will be created if the system performance is low or if no hardware GPU is available.
powerPreference	string	<optional>	"default"	A hint to the user agent indicating what configuration of GPU is suitable for the WebGL context. Possible values are:
"default": Let the user agent decide which GPU configuration is most suitable. This is the default value. "high-performance": Prioritizes rendering performance over power consumption. "low-power": Prioritizes power saving over rendering performance.
premultipliedAlpha	boolean	<optional>	true	Boolean that indicates that the page compositor will assume the drawing buffer contains colors with pre-multiplied alpha.
preserveDrawingBuffer	boolean	<optional>	false	If the value is true the buffers will not be cleared and will preserve their values until cleared or overwritten by the author.
stencil	boolean	<optional>	false	Boolean that indicates that the drawing buffer has a stencil buffer of at least 8 bits.

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