EXT_color_buffer_half_float

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The EXT_color_buffer_half_float extension is part of the WebGL API and adds the ability to render to 16-bit floating-point color buffers.

WebGL extensions are available using the WebGLRenderingContext.getExtension() method. For more information, see also Using Extensions in the WebGL tutorial.

Availability: This extension is available to WebGL 1 contexts only. For WebGL 2, use the EXT_color_buffer_float extension.

The OES_texture_half_float extension implicitly enables this extension.

Constants

ext.RGBA16F_EXT
RGBA 16-bit floating-point color-renderable format.
ext.RGB16F_EXT
RGB 16-bit floating-point color-renderable format.
ext.FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT
?
ext.UNSIGNED_NORMALIZED_EXT
?

Extended methods

This extension extends WebGLRenderingContext.renderbufferStorage():

  • The internalformat parameter now accepts ext.RGBA16F_EXT and ext.RGBA16F_EXT.

Examples

var ext = gl.getExtension('EXT_color_buffer_half_float');

gl.renderbufferStorage(gl.RENDERBUFFER, ext.RBGA16F_EXT, 256, 256);

Specifications

Specification Status Comment
EXT_color_buffer_half_float
The definition of 'EXT_color_buffer_half_float' in that specification.
Recommendation Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 63Edge Full support 17Firefox Full support 30IE ? Opera ? Safari ? WebView Android Full support 63Chrome Android Full support 63Edge Mobile No support NoFirefox Android ? Opera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Метки документа и участники

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