Class: DataTexture

DataTexture

new DataTexture(params)

texture/DataTexture.js, line 23

数据纹理

Name Type Description
params object optional

初始化参数，所有params都会复制到实例上

Name Type Description
data Array | Float32Array optional

数据

Extends

Members Show Inherited

Name Type Default Description
isDataTexture boolean true
className string DataTexture
target number TEXTURE_2D
internalFormat number RGBA
format number RGBA
type number FLOAT
magFilter number NEAREST
minFilter number NEAREST
wrapS number CLAMP_TO_EDGE
wrapT number CLAMP_TO_EDGE
data Float32Array

数据，改变数据的时候会自动更新Texture
isTexture boolean true inherited
isImageCanRelease boolean false inherited

图片资源是否可以释放，可以的话，上传到GPU后将释放图片引用
image HTMLImageElement null inherited

图片对象
mipmaps Array.<HTMLImageElement> | Array.<TypedArray> null inherited

mipmaps
width number 0 inherited
height number 0 inherited
border Number 0 inherited
name string inherited
premultiplyAlpha boolean false inherited
flipY boolean false inherited

是否翻转Texture的Y轴
colorSpaceConversion boolean true inherited

是否转换到图片默认的颜色空间
compressed Boolean false inherited

是否压缩
needUpdate boolean true inherited

是否需要更新Texture
needDestroy boolean false inherited

是否需要销毁之前的Texture，Texture参数变更之后需要销毁
autoUpdate boolean false inherited

是否每次都更新Texture
uv Number 0 inherited

uv
anisotropic Number 1 inherited

anisotropic
origWidth Number 0 inherited

获取原始图像宽度。
origHeight Number 0 inherited

获取原始图像高度。
useMipmap Boolean inherited

是否使用 mipmap
useRepeat Boolean inherited

是否使用 repeat
mipmapCount Number inherited

mipmapCount

Methods Show Inherited

inherited isImgPowerOfTwo(img){Boolean}

texture/Texture.js, line 357

是否是 2 的 n 次方

Name Type Description
img HTMLImageElement
Returns:
Type Description
Boolean

inherited getSupportSize(img, needPowerOfTwo){Object}

texture/Texture.js, line 366

获取支持的尺寸

Name Type Default Description
img HTMLImageElement
needPowerOfTwo Boolean false optional
Returns:
Type Description
Object { width, height }

inherited resizeImgToPowerOfTwo(img){HTMLCanvasElement|HTMLImageElement}

texture/Texture.js, line 396

更新图片大小成为 2 的 n 次方

Name Type Description
img HTMLImageElement
Returns:
Type Description
HTMLCanvasElement | HTMLImageElement

inherited resizeImg(img, width, height){HTMLCanvasElement|HTMLImageElement}

texture/Texture.js, line 407

更新图片大小

Name Type Description
img HTMLImageElement
width Number
height Number
Returns:
Type Description
HTMLCanvasElement | HTMLImageElement

inherited _fixInternalFormat(state){number}

texture/Texture.js, line 464

修复 WebGL & WebGL2 internalFormat

Name Type Description
state WebGLState
Returns:
Type Description
number internalFormat

inherited updateTexture(state, glTexture){Texture}

texture/Texture.js, line 509

更新 Texture

Name Type Description
state WebGLState
glTexture WebGLTexture
Returns:
Type Description
Texture this

inherited updateSubTexture(xOffset, yOffset, image)

texture/Texture.js, line 592

跟新局部贴图

Name Type Description
xOffset Number
yOffset Number
image HTMLImageElement | HTMLCanvasElement | ImageData

inherited getGLTexture(state){WebGLTexture}

texture/Texture.js, line 604

获取 GLTexture

Name Type Description
state WebGLState
Returns:
Type Description
WebGLTexture

inherited setGLTexture(texture, needDestroy){Texture}

texture/Texture.js, line 636

设置 GLTexture

Name Type Default Description
texture WebGLTexture
needDestroy Boolean false optional

是否销毁之前的 GLTexture
Returns:
Type Description
Texture this

inherited destroy(){Texture}

texture/Texture.js, line 648

销毁当前Texture

Returns:
Type Description
Texture this

inherited clone(){Texture}

texture/Texture.js, line 661

clone

Returns:
Type Description
Texture