standardize glut idle timeout to minimum 4ms, so it is consistent in workers and on the main thread, where 4ms is in the HTML5 spec

2 files changed, 2 insertions, 2 deletions

diff --git a/src/library_glut.js b/src/library_glut.js
index 3fe6b6a6..d5f1b7b0 100644
--- a/src/library_glut.js
+++ b/src/library_glut.js
@@ -383,7 +383,7 @@ var LibraryGLUT = {
     function callback() {
       if (GLUT.idleFunc) {
         Runtime.dynCall('v', GLUT.idleFunc);
-        Browser.safeSetTimeout(callback, 0);
+        Browser.safeSetTimeout(callback, 4); // HTML spec specifies a 4ms minimum delay on the main thread; workers might get more, but we standardize here
       }
     }
     if (!GLUT.idleFunc) {
diff --git a/tests/test_browser.py b/tests/test_browser.py
index e2baf756..257a6430 100644
--- a/tests/test_browser.py
+++ b/tests/test_browser.py
@@ -1309,7 +1309,7 @@ keydown(100);keyup(100); // trigger the end
   def test_glgears_long(self):
     for proxy in [0, 1]:
       print 'proxy', proxy
-      self.btest('hello_world_gles.c', expected=map(str, range(30, 15000)), args=['-DHAVE_BUILTIN_SINCOS', '-DLONGTEST'] + (['--proxy-to-worker'] if proxy else []))
+      self.btest('hello_world_gles.c', expected=map(str, range(30, 500)), args=['-DHAVE_BUILTIN_SINCOS', '-DLONGTEST'] + (['--proxy-to-worker'] if proxy else []))
 
   def test_glgears_animation(self):
     es2_suffix = ['', '_full', '_full_944']