diff --git a/PKGBUILD-nacl b/PKGBUILD-nacl
index 2f941ee3f..344e53f7b 100644
--- a/PKGBUILD-nacl
+++ b/PKGBUILD-nacl
@@ -8,7 +8,7 @@ url="https://github.com/mosra/magnum"
 license=('LGPLv3')
 depends=('nacl-corrade')
 makedepends=('nacl-sdk' 'cmake')
-options=(!makeflags !buildflags !strip)
+options=(!buildflags !strip)
 
 build() {
     # Build 32bit
diff --git a/src/DebugMarker.cpp b/src/DebugMarker.cpp
index 490128344..e4ec3d21a 100644
--- a/src/DebugMarker.cpp
+++ b/src/DebugMarker.cpp
@@ -25,11 +25,16 @@ namespace Magnum {
 DebugMarker::MarkImplementation DebugMarker::markImplementation = &DebugMarker::markImplementationDefault;
 
 void DebugMarker::initializeContextBasedFunctionality(Context* context) {
+    /** @todo Re-enable when extension wrangler is available for ES */
+    #ifndef MAGNUM_TARGET_GLES
     if(context->isExtensionSupported<Extensions::GL::GREMEDY::string_marker>()) {
         Debug() << "DebugMarker: using" << Extensions::GL::GREMEDY::string_marker::string() << "features";
 
         markImplementation = &DebugMarker::markImplementationDebugger;
     }
+    #else
+    static_cast<void>(context);
+    #endif
 }
 
 void DebugMarker::markImplementationDefault(const std::string&) {}
@@ -41,6 +46,8 @@ void DebugMarker::markImplementationDebugger(const std::string& string) {
     #else
     #if 0
     glInsertEventMarkerEXT(string.length(), string.c_str());
+    #else
+    static_cast<void>(string);
     #endif
     #endif
 }
diff --git a/src/Platform/NaClApplication.cpp b/src/Platform/NaClApplication.cpp
index 69f4cd666..a57aae744 100644
--- a/src/Platform/NaClApplication.cpp
+++ b/src/Platform/NaClApplication.cpp
@@ -16,8 +16,8 @@
 #include "NaClApplication.h"
 
 #include <ppapi/cpp/graphics_3d.h>
+#include <ppapi/cpp/fullscreen.h>
 #include <ppapi/cpp/completion_callback.h>
-#include <ppapi/lib/gl/gles2/gl2ext_ppapi.h>
 
 #include "Context.h"
 
@@ -45,6 +45,8 @@ NaClApplication::NaClApplication(PP_Instance instance, const Math::Vector2<GLsiz
         exit(1);
     }
 
+    fullscreen = new pp::Fullscreen(this);
+
     glSetCurrentContextPPAPI(graphics->pp_resource());
 
     c = new Context;
@@ -52,14 +54,51 @@ NaClApplication::NaClApplication(PP_Instance instance, const Math::Vector2<GLsiz
     /* Enable input handling for mouse and keyboard */
     RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE|PP_INPUTEVENT_CLASS_WHEEL);
     RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_KEYBOARD);
+
+    /* Make sure viewportEvent() is called for first time */
+    flags |= Flag::ViewportUpdated;
 }
 
 NaClApplication::~NaClApplication() {
     delete c;
+    delete fullscreen;
     delete graphics;
 }
 
+bool NaClApplication::isFullscreen() {
+    return fullscreen->IsFullscreen();
+}
+
+bool NaClApplication::setFullscreen(bool enabled) {
+    /* Given fullscreen mode already set or switching to it is in progress, done */
+    if(isFullscreen() == enabled || ((flags & Flag::FullscreenSwitchInProgress) && (flags & Flag::WillBeFullscreen) == enabled))
+        return true;
+
+    /* Switch to opposite fullscreen mode is in progress, can't revert it back */
+    if((flags & Flag::FullscreenSwitchInProgress) && (flags & Flag::WillBeFullscreen) != enabled)
+        return false;
+
+    /* Set fullscreen */
+    if(!fullscreen->SetFullscreen(enabled))
+        return false;
+
+    /* Set flags */
+    flags |= Flag::FullscreenSwitchInProgress;
+    enabled ? flags |= Flag::WillBeFullscreen : flags &= ~Flag::WillBeFullscreen;
+    return true;
+}
+
 void NaClApplication::DidChangeView(const pp::View& view) {
+    /* Fullscreen switch in progress */
+    if(flags & Flag::FullscreenSwitchInProgress) {
+        /* Done, remove the progress flag */
+        if(isFullscreen() == bool(flags & Flag::WillBeFullscreen))
+            flags &= ~Flag::FullscreenSwitchInProgress;
+
+        /* Don't process anything during the switch */
+        else return;
+    }
+
     Math::Vector2<GLsizei> size(view.GetRect().width(), view.GetRect().height());
 
     /* Canvas resized */
@@ -70,7 +109,7 @@ void NaClApplication::DidChangeView(const pp::View& view) {
     }
 
     /* Update viewport, if changed */
-    if(!(flags & Flag::ViewportUpdated)) {
+    if(flags & Flag::ViewportUpdated) {
         flags &= ~Flag::ViewportUpdated;
         viewportEvent(size);
     }
@@ -79,6 +118,9 @@ void NaClApplication::DidChangeView(const pp::View& view) {
 }
 
 bool NaClApplication::HandleInputEvent(const pp::InputEvent& event) {
+    /* Don't handle anything during switch from/to fullscreen */
+    if(flags & Flag::FullscreenSwitchInProgress) return false;
+
     Flags tmpFlags = flags;
 
     switch(event.GetType()) {
diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 135e3f171..d634924f7 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -23,7 +23,6 @@
 #include <Containers/EnumSet.h>
 #include <ppapi/cpp/input_event.h>
 #include <ppapi/cpp/instance.h>
-#include <ppapi/cpp/instance_handle.h>
 #include <ppapi/cpp/module.h>
 #include <ppapi/cpp/graphics_3d_client.h>
 #include <ppapi/gles2/gl2ext_ppapi.h>
@@ -35,6 +34,7 @@
 
 namespace pp {
     class Graphics3D;
+    class Fullscreen;
 }
 
 namespace Magnum {
@@ -79,6 +79,19 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient {
 
         ~NaClApplication();
 
+        /** @brief Whether the application runs fullscreen */
+        bool isFullscreen();
+
+        /**
+         * @brief Set fullscreen
+         * @return `False` if switch to opposite mode is in progress or if the
+         *      switch is not possible, `true` otherwise.
+         *
+         * The switch is done asynchronously, during the switch no event
+         * processing is done.
+         */
+        bool setFullscreen(bool enabled);
+
     protected:
 
         /** @{ @name Drawing functions */
@@ -154,7 +167,9 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient {
         enum class Flag: std::uint8_t {
             ViewportUpdated = 1 << 0,
             SwapInProgress = 1 << 1,
-            Redraw = 1 << 2
+            Redraw = 1 << 2,
+            FullscreenSwitchInProgress = 1 << 3,
+            WillBeFullscreen = 1 << 4
         };
         typedef Corrade::Containers::EnumSet<Flag, std::uint8_t> Flags;
 
@@ -169,6 +184,7 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient {
         static void swapCallback(void* applicationInstance, std::int32_t);
 
         pp::Graphics3D* graphics;
+        pp::Fullscreen* fullscreen;
         Context* c;
         Math::Vector2<GLsizei> viewportSize;
         Flags flags;