It used to work, but "plane" is not rendering in 3D in asymptote

[natkuhn]

Please note that I first posted this on tex.stackexchange, hopefully the link to the output from there still works. To save LaTeX compile time, I have been hand-running asymptote from the command line using the version of asymptote specified below. A stackexchange commenter pointed me to http://asymptote.ualberta.ca/, and since I can download the png file from there, this is not urgent for me, but I thought I should submit it so that you are aware of the problem. Here is the SE post:

I have a figure that I created some time ago that includes 3 orthogonal planes. It rendered fine before, but now when I compile it, two planes render as triangles, and the third doesn't render at all. If I move lines of code around, maybe one renders as a square the way it's supposed to, one renders as a triangle, and the third doesn't at all.

I have v2.85 of asymptote running on a MacBook Pro. TeXlive says I have the "universal-darwin files" and is not showing any pending updates. EDIT: I did update my TeX installation between when it worked and now, and I'm guessing that that's why it's not working anymore.

ALSO: It seems to render just fine in Overleaf.

settings.render = 16;
settings.outformat = "png";
import three; 
size(10cm,0);
currentprojection = orthographic((10,8,3));
defaultpen(fontsize(9pt));

path3 pXY=plane(O=(-.25,-.25,0),1.5X,1.5Y);
label("$x_2=0$",(1,1,0));
draw(surface(pXY), gray(0.5)+opacity(.5));
draw(pXY,blue);

path3 pYZ=plane(O=(0,-.25,-.25),1.4Z,1.5Y);
label(YZ*"$x_0=0$",(0,1,1),Embedded);
draw(surface(pYZ), gray(0.5)+opacity(.5));
draw(pYZ,green);

path3 pXZ=plane(O=(-.25,0,-.25),1.5X,1.4Z);
label(XZ*"$x_1=0$",(1,0,1),Embedded);
draw(surface(pXZ), gray(0.5)+opacity(.5));
draw(pXZ,red);

Here is the output:

[johncbowman]

MacOS doesn't support SSBOs under OpenGL, which are required for opacity. To render this example correctly, you either need to remove +opacity(.5) everywhere, use another platform, or wait for the upcoming Vulkan port of Asymptote (coming soon).

[natkuhn]

Thank you, @johncbowman !