EXT_sRGB extension
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since February 2020.
The EXT_sRGB extension is part of the WebGL API and adds sRGB support to textures and framebuffer objects.
WebGL extensions are available using the WebGLRenderingContext.getExtension() method. For more information, see also Using Extensions in the WebGL tutorial.
Constants
This extension exposes the following constants, which can be used in the texImage2D(), texSubImage2D(), renderbufferStorage() and getFramebufferAttachmentParameter() methods.
ext.SRGB_EXT-
Unsized sRGB format that leaves the precision up to the driver.
ext.SRGB_ALPHA_EXT-
Unsized sRGB format with unsized alpha component.
ext.SRGB8_ALPHA8_EXT-
Sized (8-bit) sRGB and alpha formats.
ext.FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT-
Returns the framebuffer color encoding (
gl.LINEARorext.SRGB_EXT).
Examples
const ext = gl.getExtension("EXT_sRGB");
const texture = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, texture);
gl.texImage2D(
gl.TEXTURE_2D,
0,
ext.SRGB_EXT,
512,
512,
0,
ext.SRGB_EXT,
gl.UNSIGNED_BYTE,
image,
);
Specifications
| Specification |
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| WebGL EXT_sRGB Extension Specification |
Browser compatibility
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EXT_sRGB
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- Partial support
- Partial support
- Has more compatibility info.