diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
index 93a2af0396..4723078af5 100644
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -443,7 +443,8 @@ void BlurEffect::drawWindow(EffectWindow *w, int mask, QRegion region, WindowPai
         }
 
         if (!shape.isEmpty()) {
-            if (w->isFullScreen() && GLRenderTarget::blitSupported() && m_simpleShader->isValid() && shape.boundingRect() == w->geometry()) {
+            if (w->isFullScreen() && GLRenderTarget::blitSupported() && m_simpleShader->isValid()
+                    && !GLPlatform::instance()->supports(LimitedNPOT) && shape.boundingRect() == w->geometry()) {
                 doSimpleBlur(w, data.opacity(), data.screenProjectionMatrix());
             } else if (m_shouldCache && !translated && !w->isDeleted()) {
                 doCachedBlur(w, region, data.opacity(), data.screenProjectionMatrix());
diff --git a/effects/logout/logout.cpp b/effects/logout/logout.cpp
index f521e2d99d..0a0df45661 100644
--- a/effects/logout/logout.cpp
+++ b/effects/logout/logout.cpp
@@ -117,7 +117,7 @@ void LogoutEffect::prePaintScreen(ScreenPrePaintData& data, int time)
     } else if (!blurTexture) {
         blurSupported = false;
         delete blurTarget; // catch as we just tested the texture ;-P
-        if (effects->isOpenGLCompositing() && GLRenderTarget::blitSupported() && useBlur) {
+        if (effects->isOpenGLCompositing() && GLRenderTarget::blitSupported() && !GLPlatform::instance()->supports(LimitedNPOT) && useBlur) {
             // TODO: It seems that it is not possible to create a GLRenderTarget that has
             //       a different size than the display right now. Most likely a KWin core bug.
             // Create texture and render target
diff --git a/effects/lookingglass/lookingglass.cpp b/effects/lookingglass/lookingglass.cpp
index e68f3d7167..62ef1ba65d 100644
--- a/effects/lookingglass/lookingglass.cpp
+++ b/effects/lookingglass/lookingglass.cpp
@@ -83,7 +83,7 @@ LookingGlassEffect::~LookingGlassEffect()
 
 bool LookingGlassEffect::supported()
 {
-    return effects->compositingType() == OpenGL2Compositing;
+    return effects->compositingType() == OpenGL2Compositing && !GLPlatform::instance()->supports(LimitedNPOT);
 }
 
 void LookingGlassEffect::reconfigure(ReconfigureFlags)