Texture

Texture

Texture class manage TEXTURE_2D types textures

Constructor

new Texture(gl, formatopt)

Parameters:
Name Type Attributes Default Description
gl WebGLRenderingContext webgl context the texture belongs to
format GLenum <optional>
 GL_RGB the pixel format, default to gl.RGB (can be gl.RGB, gl.RGBA, gl.LUMINANCE...)
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Methods

bind(unitopt)

Bind the texture
Parameters:
Name Type Attributes Description
unit uint <optional>
 optional texture unit to make active before binding
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clamp()

Set both WRAP_S and WRAP_T property to gl.CLAMP_TO_EDGE
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dispose()

delete the webgl texture
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fromData(width, height, dataopt, dataTypeopt)

Allocate texture to the given size, with optional data (TypedArray) and data type
Parameters:
Name Type Attributes Default Description
width number the new texture's width
height number the new texture's height
data TypedArray <optional>
 null TypedArray of texture data, can be null
dataType GLenum <optional>
 GL_UNSIGNED_BYTE can be gl.UNSIGNED_BYTE, gl.FLOAT, half.HALF_FLOAT_OES etc depending on available extensions
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fromImage(img)

set texture data from html source
Parameters:
Name Type Description
img TexImageSource the source. Can be ImageBitmap, ImageData, HTMLImageElement, HTMLCanvasElement, HTMLVideoElement
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mirror()

Set both WRAP_S and WRAP_T property to gl.MIRRORED_REPEAT
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repeat()

Set both WRAP_S and WRAP_T property to gl.REPEAT
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setFilter(smoothopt, mipmapopt, miplinearopt)

Change the filtering parameters
Parameters:
Name Type Attributes Default Description
smooth boolean <optional>
 false if true, use LINEAR filtering
mipmap boolean <optional>
 false if true, enable mipmaping
miplinear boolean <optional>
 false if true, use linear Mipmapping
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wrap(wrap)

Set both WRAP_S and WRAP_T property to the given value
Parameters:
Name Type Description
wrap GLenum the wrap enum
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