WEBGL_color_buffer_float

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 ( This deprecated API should no longer be used, but will probably still work. )
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 ( This deprecated API should no longer be used, but will probably still work. ).

Examples

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

gl.renderbufferStorage(gl.RENDERBUFFER, ext.RGBA32F_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

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See also