Class: RenderBuffer

渲染缓冲区对象。 由于渲染缓冲区对象是只写的，因此它们通常用作深度和模板关联对象。

实例代码：

const renderBuffer = new RenderBuffer(renderer, {
  format: renderer.gl.DEPTH_COMPONENT16,
  width: 1920,
  height: 1080,
});

renderBuffer.bind();
renderBuffer.unbind();

Hierarchy

• Resource<RenderBufferOptions>

  ↳ RenderBuffer

Constructors

constructor

• new RenderBuffer(renderer, options?): RenderBuffer

Parameters

Name	Type
renderer	Renderer
options	Partial<RenderBufferOptions>

Returns

RenderBuffer

Overrides

Resource.constructor

Defined in

src/core/RenderBuffer.ts:50

Properties

renderer

• renderer: Renderer

Inherited from

Resource.renderer

Defined in

src/core/Base.ts:7

---

width

• width: number

渲染缓冲区宽度

Defined in

src/core/RenderBuffer.ts:41

---

height

• height: number

渲染缓冲区高度

Defined in

src/core/RenderBuffer.ts:46

---

id

• id: string

Inherited from

Resource.id

Defined in

src/core/Resource.ts:21

---

name

• name: WithUndef<string>

Inherited from

Resource.name

Defined in

src/core/Resource.ts:23

---

userData

• userData: any

Inherited from

Resource.userData

Defined in

src/core/Resource.ts:25

---

byteLength

• byteLength: number

Inherited from

Resource.byteLength

Defined in

src/core/Resource.ts:28

---

options

• options: Partial<RenderBufferOptions>

Inherited from

Resource.options

Defined in

src/core/Resource.ts:30

Accessors

gl

• get gl(): WebGLRenderingContext | WebGL2RenderingContext

获取 webgl 实例

Returns

WebGLRenderingContext | WebGL2RenderingContext

Inherited from

Resource.gl

Defined in

src/core/Base.ts:16

---

rendererState

• get rendererState(): State

获取渲染状态

Returns

State

Inherited from

Resource.rendererState

Defined in

src/core/Base.ts:23

---

handle

• get handle(): any

Returns

any

Inherited from

Resource.handle

Defined in

src/core/Resource.ts:47

Methods

resize

▸ resize(width, height): void

设置此渲染对象的的大小

Parameters

Name	Type
width	any
height	any

Returns

void

Defined in

src/core/RenderBuffer.ts:79

---

bind

▸ bind(): void

绑定渲染缓冲

Returns

void

Overrides

Resource.bind

Defined in

src/core/RenderBuffer.ts:91

---

unbind

▸ unbind(): void

解绑渲染缓冲

Returns

void

Overrides

Resource.unbind

Defined in

src/core/RenderBuffer.ts:98

---

removeStats

▸ removeStats(): void

Returns

void

Overrides

Resource.removeStats

Defined in

src/core/RenderBuffer.ts:103

---

destroy

▸ destroy(): void

销毁此渲染对象

Returns

void

Overrides

Resource.destroy

Defined in

src/core/RenderBuffer.ts:108

---

createHandle

▸ createHandle(): null | WebGLRenderbuffer

创建 RBO

Returns

null | WebGLRenderbuffer

Overrides

Resource.createHandle

Defined in

src/core/RenderBuffer.ts:116

---

deleteHandle

▸ deleteHandle(): void

移除 RBO

Returns

void

Overrides

Resource.deleteHandle

Defined in

src/core/RenderBuffer.ts:123

---

swapHandle

▸ swapHandle(handle): void

交换为新的 handle（一般我们会用在虚拟 webgl 环境中）

Parameters

Name	Type
handle	any

Returns

void

Inherited from

Resource.swapHandle

Defined in

src/core/Resource.ts:55

---

restoreHandle

▸ restoreHandle(): void

恢复为原有 handle

Returns

void

Inherited from

Resource.restoreHandle

Defined in

src/core/Resource.ts:63

---

delete

▸ delete(«destructured»?): RenderBuffer

Parameters

Name	Type	Default value
«destructured»	Object	{}
› deleteChildren	undefined | boolean	false

Returns

RenderBuffer

Inherited from

Resource.delete

Defined in

src/core/Resource.ts:74

---

toString

▸ toString(): string

Returns

string

Inherited from

Resource.toString

Defined in

src/core/Resource.ts:111