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WEBGL_color_buffer_float

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The WEBGL_color_buffer_float extension is part of the WebGL API and adds the ability to render to 32-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_float extension implicitly enables this extension.

Constants

ext.RGBA32F_EXT
RGBA 32-bit floating-point color-renderable format.
ext.RGB32F_EXT ( )
RGB 32-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.RGBA32F_EXT and ext.RGB32F_EXT ( ).

Examples

var ext = gl.getExtension("WEBGL_color_buffer_float");

gl.renderbufferStorage(gl.RENDERBUFFER, ext.RBGA32F_EXT, 256, 256);

Specifications

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? 30.0 (30.0) ? ? ?
RGB32F_EXT ? 30.0 (30.0) ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ? ?
RGB32F_EXT ? ? ? ? ? ?

See also

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