WebGL2RenderingContext.copyTexSubImage3D()

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The WebGL2RenderingContext.copyTexSubImage3D() method of the WebGL API copies pixels from the current WebGLFramebuffer into an existing 3D texture sub-image.

Syntax

void gl.copyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width, height);

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 level of detail. Level 0 is the base image level and level n is the nth mipmap reduction level.
xoffset
A GLint specifying the x offset within the texture image.
yoffset
A GLint specifying the y offset within the texture image.
zoffset
A GLint specifying the z offset within the texture image.
x
A GLint specifying the x coordinate of the lower left corner where to start copying.
y
A GLint specifying the y coordinate of the lower left corner where to start copying.
width
A GLsizei specifying the width of the texture.
height
A GLsizei specifying the height of the texture.

Return value

None.

Examples

gl.copyTexSubImage3D(gl.TEXTURE_3D, 0, 0, 0, 0, 0, 0, 16, 16);

Specifications

Specification Status Comment
WebGL 2.0
The definition of 'copyTexSubImage3D' in that specification.
Editor's Draft Initial definition.
OpenGL ES 3.0
The definition of 'glCopyTexSubImage3D' in that specification.
Standard Man page of the (similar) OpenGL API.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
copyTexSubImage3DChrome Full support 56Edge No support NoFirefox Full support 51IE No support NoOpera Full support 43Safari No support NoWebView Android Full support 58Chrome Android Full support 58Edge Mobile No support NoFirefox Android Full support 51Opera Android Full support 43Safari iOS No support NoSamsung Internet Android Full support 7.0

Legend

Full support  
Full support
No support  
No support

See also

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