mathrender_client.lua

local server_texture = false;

addEvent("onServerTransmitImage", true);
addEventHandler("onServerTransmitImage", root, function(imgPixels)
 if ( server_texture ) then
 destroyElement(server_texture);
 end
 
 server_texture = dxCreateTexture(imgPixels, "argb", false, "wrap");
 end
);

addEventHandler( "onClientRender", root, function()
 -- draw a server transmitted image.
 if ( server_texture ) then
 local width, height = dxGetMaterialSize( server_texture );
 dxDrawImage( 0, 0, width, height, server_texture );
 end
 end
);