pixi.js
Version:
<p align="center"> <a href="https://pixijs.com" target="_blank" rel="noopener noreferrer"> <img height="150" src="https://files.pixijs.download/branding/pixijs-logo-transparent-dark.svg?v=1" alt="PixiJS logo"> </a> </p> <br/> <p align="center">
31 lines (28 loc) • 1.36 kB
JavaScript
import { DOMAdapter } from '../../../../environment/adapter.mjs';
;
function mapWebGLBlendModesToPixi(gl) {
const blendMap = {};
blendMap.normal = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
blendMap.add = [gl.ONE, gl.ONE];
blendMap.multiply = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
blendMap.screen = [gl.ONE, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
blendMap.none = [0, 0];
blendMap["normal-npm"] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
blendMap["add-npm"] = [gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE];
blendMap["screen-npm"] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
blendMap.erase = [gl.ZERO, gl.ONE_MINUS_SRC_ALPHA];
const isWebGl2 = !(gl instanceof DOMAdapter.get().getWebGLRenderingContext());
if (isWebGl2) {
blendMap.min = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, gl.MIN, gl.MIN];
blendMap.max = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, gl.MAX, gl.MAX];
} else {
const ext = gl.getExtension("EXT_blend_minmax");
if (ext) {
blendMap.min = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, ext.MIN_EXT, ext.MIN_EXT];
blendMap.max = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, ext.MAX_EXT, ext.MAX_EXT];
}
}
return blendMap;
}
export { mapWebGLBlendModesToPixi };
//# sourceMappingURL=mapWebGLBlendModesToPixi.mjs.map