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WebGL2RenderingContext: texStorage3D() method

The WebGL2RenderingContext.texStorage3D() method of the WebGL API specifies all levels of a three-dimensional texture or two-dimensional array texture.

Syntax

texStorage3D(target, levels, internalformat, width, height, depth)

Parameters

target

A GLenum specifying the binding point (target) of the active texture. Possible values:

gl.TEXTURE_3D: A three-dimensional texture.
gl.TEXTURE_2D_ARRAY: A two-dimensional array texture.

level

A GLint specifying the number of texture levels.

internalformat

A GLenum specifying the texture store format. Possible values:

gl.R8
gl.R16F
gl.R32F
gl.R8UI
gl.RG8
gl.RG16F
gl.RG32F
gl.RGUI
gl.RGB8
gl.SRGB8
gl.RGB565
gl.R11F_G11F_B10F
gl.RGB9_E5
gl.RGB16F
gl.RGB32F
gl.RGB8UI
gl.RGBA8
gl.SRGB_ALPHA8
gl.RGB5_A1
gl.RGBA4444
gl.RGBA16F
gl.RGBA32F
gl.RGBA8UI

In addition if the WEBGL_compressed_texture_etc extension is supported, the following values are also possible:

gl.COMPRESSED_R11_EAC
gl.COMPRESSED_SIGNED_R11_EAC
gl.COMPRESSED_RG11_EAC
gl.COMPRESSED_SIGNED_RG11_EAC
gl.COMPRESSED_RGB8_ETC2
gl.COMPRESSED_RGBA8_ETC2_EAC
gl.COMPRESSED_SRGB8_ETC2
gl.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC
gl.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
gl.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2

width

A GLsizei specifying the width of the texture.

height

A GLsizei specifying the height of the texture.

depth

A GLsizei specifying the depth of the texture.

Return value

None (undefined).

Examples

gl.texStorage3D(gl.TEXTURE_3D, 1, gl.RGB8, 256, 256, 256);

Specifications

Specification
WebGL 2.0 Specification # 3.7.6

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