Class: Framebuffer

Framebuffer

new Framebuffer(renderer, params)

renderer/Framebuffer.js, line 58

帧缓冲

Name Type Description
renderer WebGLRenderer
params Object optional

初始化参数，所有params都会复制到实例上

Members Show Inherited

Name Type Default Description
className String Framebuffer
isFramebuffer Boolean true
bufferInternalFormat GLenum gl.DEPTH_STENCIL

bufferInternalFormat
framebufferTarget GLenum gl.FRAMEBUFFER

framebufferTarget
target GLenum gl.TEXTURE_2D

texture target
format GLenum gl.RGBA

texture format
internalFormat GLenum gl.RGBA

texture internalFormat
type GLenum gl.UNSIGNED_BYTE

texture type
minFilter GLenum gl.NEAREST

texture minFilter
magFilter GLenum gl.NEAREST

texture magFilter
wrapS GLenum gl.CLAMP_TO_EDGE

texture wrapS
wrapT GLenum gl.CLAMP_TO_EDGE

texture wrapS
data TypedArray null

texture data
attachment GLenum gl.COLOR_ATTACHMENT0

attachment
needRenderbuffer Boolean true

是否需要renderbuffer
useVao Boolean true

是否使用VAO
renderer WebGLRenderer null

renderer
texture Texture

texture
renderbuffer WebGLRenderbuffer

renderbuffer
framebuffer WebGLFramebuffer

framebuffer
colorAttachmentInfos Array.<AttachmentInfo>

colorAttachmentInfos
depthStencilAttachmentInfo AttachmentInfo

depthStencilAttachmentInfo
framebuffer WebGLFramebuffer

framebuffer

static,readonlyFramebuffer.cacheCache

缓存

Methods Show Inherited

staticFramebuffer.reset(gl)

renderer/Framebuffer.js, line 78

重置所有framebuffer

Name Type Description
gl WebGLRenderingContext

staticFramebuffer.destroy(gl)

renderer/Framebuffer.js, line 88

销毁所有 Framebuffer

Name Type Description
gl WebGLRenderingContext

init()

renderer/Framebuffer.js, line 292

init

isComplete(){Boolean}

renderer/Framebuffer.js, line 409

framebuffer 是否完成

Returns:
Type Description
Boolean

bind()

renderer/Framebuffer.js, line 419

绑定

unbind()

renderer/Framebuffer.js, line 429

解绑

render(x, y, width, height, clearColor)

renderer/Framebuffer.js, line 453

渲染当前纹理

Name Type Default Description
x Number 0 optional
y Number 0 optional
width Number 1 optional
height Number 1 optional
clearColor Color null optional

resize(width, height, force)

renderer/Framebuffer.js, line 509

resize

Name Type Default Description
width Number
height Number
force Boolean true optional

readPixels(x, y, width, height){TypedArray}

renderer/Framebuffer.js, line 527

读取区域像素

Name Type Default Description
x Number
y Number
width Number 1 optional
height Number 1 optional
Returns:
Type Description
TypedArray

copyFramebuffer()

renderer/Framebuffer.js, line 546

copy framebuffer

destroy(){Framebuffer}

renderer/Framebuffer.js, line 588

销毁资源

Returns:
Type Description
Framebuffer this

destroyResource(){Framebuffer}

renderer/Framebuffer.js, line 603

只销毁 gl 资源

Returns:
Type Description
Framebuffer this