diff --git a/CMakeLists.txt b/CMakeLists.txt
index b57efead..7c5b7ab7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,11 +9,12 @@ if(EMSCRIPTEN)
     "-s USE_FREETYPE=1 "
     "-s USE_GLFW=3 "
     "-s USE_WEBGL2=1 "
+    "-s GL_PREINITIALIZED_CONTEXT=1 "
     "-s USE_ZLIB=1 "
     "-s FULL_ES3=1 "
     "-s FORCE_FILESYSTEM=1 "
     "-s ALLOW_MEMORY_GROWTH=1 "
-    "-s \"EXPORTED_FUNCTIONS=['_main','_mat4_rotateQuat','_mat4_set','_mat4_transform','_mat4_transformDirection','_quat_fromMat4','_quat_getAngleAxis']\" "
+    "-s \"EXPORTED_FUNCTIONS=['_main','_lovrRun','_lovrQuit','_lovrDestroy','_mat4_rotateQuat','_mat4_set','_mat4_transform','_mat4_transformDirection','_quat_fromMat4','_quat_getAngleAxis']\" "
     "-s \"EXTRA_EXPORTED_RUNTIME_METHODS=['getValue','setValue']\" "
     "--js-library \"${CMAKE_CURRENT_SOURCE_DIR}/src/resources/lovr.js\""
   )
diff --git a/src/lovr.c b/src/lovr.c
index c5f371cb..e2a111f4 100644
--- a/src/lovr.c
+++ b/src/lovr.c
@@ -126,6 +126,13 @@ bool lovrRun(int argc, char** argv, int* status) {
 #endif
 }
 
+void lovrQuit(int status) {
+  EventType type = EVENT_QUIT;
+  EventData data = { .quit = { false, status } };
+  Event event = { .type = type, .data = data };
+  lovrEventPush(event);
+}
+
 const char* lovrGetOS() {
 #ifdef _WIN32
   return "Windows";
diff --git a/src/lovr.h b/src/lovr.h
index 9c796f0d..37ef6eed 100644
--- a/src/lovr.h
+++ b/src/lovr.h
@@ -7,5 +7,6 @@
 
 void lovrDestroy();
 bool lovrRun(int argc, char** argv, int* status);
+void lovrQuit(int status);
 const char* lovrGetOS();
 void lovrGetVersion(int* major, int* minor, int* patch);
diff --git a/src/resources/lovr.js b/src/resources/lovr.js
index 4f27b63e..cf6c1701 100644
--- a/src/resources/lovr.js
+++ b/src/resources/lovr.js
@@ -65,9 +65,6 @@ var LibraryLOVR = {
             lovr.WebVR.height = eyeParams.renderHeight;
             canvas.width = lovr.WebVR.width * 2;
             canvas.height = lovr.WebVR.height;
-          } else {
-            canvas.width = lovr.WebVR.width = canvas.parentElement.offsetWidth * window.devicePixelRatio;
-            canvas.height = lovr.WebVR.height = canvas.parentElement.offsetHeight * window.devicePixelRatio;
           }
         }