FateViewer/Assets/Plugins/WebGL/TransparentBackground.jslib

15 lines
499 B
JavaScript

// https://support.unity.com/hc/en-us/articles/208892946-How-can-I-make-the-canvas-transparent-on-WebGL-
var LibraryGLClear = {
glClear: function(mask)
{
if (mask == 0x00004000)
{
var v = GLctx.getParameter(GLctx.COLOR_WRITEMASK);
if (!v[0] && !v[1] && !v[2] && v[3])
// We are trying to clear alpha only -- skip.
return;
}
GLctx.clear(mask);
}
};
mergeInto(LibraryManager.library, LibraryGLClear);