The WEBGL_compressed_texture_astc.getSupportedProfiles() method returns an array of strings containing the names of the ASTC profiles supported by the implementation.
sequence<DOMString> ext.getSupportedProfiles();
An Array of DOMString elements indicating which ASTC profiles are supported by the implementation. Currently, this can be:
Dynamic range refers to ratio between the brightest and darkest parts of the scene. Low dynamic ranges are for example JPEG format images which won't exceed 255:1, or CRT monitors which won't exceed 100:1. An HDR image stores pixel values that span the whole tonal range of real-world scenes (100,000:1).
var ext = gl.getExtension('WEBGL_compressed_texture_astc');
ext.getSupportedProfiles(); // ["ldr"] | Specification | Status | Comment |
|---|---|---|
| WEBGL_compressed_texture_astc The definition of 'WEBGL_compressed_texture_astc' in that specification. | Recommendation | Initial definition. |
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 47 | No | 53 | ? | ? | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 47 | No | 53 | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_compressed_texture_astc/getSupportedProfiles