M3D / M3D / Render / GLRenderContext

Class: GLRenderContext

M3D.Render.GLRenderContext

Memberof

M3D.Render

Description

WEBGL渲染上下文

Hierarchy

• RenderContext

  ↳ GLRenderContext

Table of contents

Constructors

• constructor

Properties

• id
• count
• extensions
• hasSRGB
• maxTextures
• maxVertexTextures

Methods

• clearContext
• getContext
• getEvents
• getId
• registerEvent
• removeEvent
• resizeContext
• setContext
• setId
• addContextConfig
• createRenderContext
• getContextConfig
• getExtension

Constructors

constructor

• new GLRenderContext(renderCanvas): GLRenderContext

Parameters

Name	Type	Description
renderCanvas	HTMLCanvasElement	渲染canvas

Returns

GLRenderContext

Description

构造函数

Overrides

RenderContext.constructor

Properties

id

• id: number

Inherited from

RenderContext.id

---

count

▪ Static count: number

Inherited from

RenderContext.count

---

extensions

▪ Static extensions: Object

---

hasSRGB

▪ Static hasSRGB: any

---

maxTextures

▪ Static maxTextures: number

---

maxVertexTextures

▪ Static maxVertexTextures: number

Methods

clearContext

▸ clearContext(): void

Returns

void

Description

清空上下文

Overrides

RenderContext.clearContext

---

getContext

▸ getContext(): any

Returns

any

Description

获取内部上下文

Inherited from

RenderContext.getContext

---

getEvents

▸ getEvents(): M3DEvent[]

Returns

M3DEvent[]

Description

获得事件列表

Inherited from

RenderContext.getEvents

---

getId

▸ getId(): number

Returns

number

Description

获取id

Inherited from

RenderContext.getId

---

registerEvent

▸ registerEvent(event): void

Parameters

Name	Type	Description
event	M3DEvent	M3D事件

Returns

void

Description

注册事件

Inherited from

RenderContext.registerEvent

---

removeEvent

▸ removeEvent(): void

Returns

void

Description

删除事件

Inherited from

RenderContext.removeEvent

---

resizeContext

▸ resizeContext(): void

Returns

void

Description

调整上下文

Overrides

RenderContext.resizeContext

---

setContext

▸ setContext(context): void

Parameters

Name	Type
context	any

Returns

void

Description

设置内部上下文

Inherited from

RenderContext.setContext

---

setId

▸ setId(v): void

Parameters

Name	Type	Description
v	number	ShapeId

Returns

void

Description

设置id

Inherited from

RenderContext.setId

---

addContextConfig

▸ addContextConfig(type, classObject): void

Parameters

Name	Type
type	GraphicsType
classObject	any

Returns

void

Description

添加上下文配置

Inherited from

RenderContext.addContextConfig

---

createRenderContext

▸ createRenderContext(canvas): RenderContext

Parameters

Name	Type
canvas	HTMLCanvasElement

Returns

RenderContext

Description

根据参数创建上下文对象

Inherited from

RenderContext.createRenderContext

▸ createRenderContext(renderCanvas, type): RenderContext

Parameters

Name	Type
renderCanvas	HTMLCanvasElement
type	GraphicsType

Returns

RenderContext

Description

根据参数创建上下文对象

Inherited from

RenderContext.createRenderContext

---

getContextConfig

▸ getContextConfig(type): any

Parameters

Name	Type
type	GraphicsType

Returns

any

Description

根据图形API类型获取上下文配置

Inherited from

RenderContext.getContextConfig

---

getExtension

▸ getExtension(gl, name): any

Parameters

Name	Type
gl	any
name	any

Returns

any

Description

获取扩展