diff --git a/libkwineffects/kwingltexture.h b/libkwineffects/kwingltexture.h
--- a/libkwineffects/kwingltexture.h
+++ b/libkwineffects/kwingltexture.h
@@ -108,7 +108,6 @@
 
     /** @short
      * Make the texture fully transparent
-     * Warning: this clobbers the current framebuffer binding except on fglrx
      */
     void clear();
     bool isDirty() const;
diff --git a/libkwineffects/kwingltexture.cpp b/libkwineffects/kwingltexture.cpp
--- a/libkwineffects/kwingltexture.cpp
+++ b/libkwineffects/kwingltexture.cpp
@@ -514,11 +514,15 @@
 
     if (GLTexturePrivate::s_fbo) {
         // Clear the texture
-        glBindFramebuffer(GL_FRAMEBUFFER, GLTexturePrivate::s_fbo);
+        GLuint previousFramebuffer = 0;
+        glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, reinterpret_cast<GLint *>(&previousFramebuffer));
+        if (GLTexturePrivate::s_fbo != previousFramebuffer)
+            glBindFramebuffer(GL_FRAMEBUFFER, GLTexturePrivate::s_fbo);
         glClearColor(0, 0, 0, 0);
         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, d->m_texture, 0);
         glClear(GL_COLOR_BUFFER_BIT);
-        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        if (GLTexturePrivate::s_fbo != previousFramebuffer)
+            glBindFramebuffer(GL_FRAMEBUFFER, previousFramebuffer);
     } else {
         if (const int size = width()*height()) {
             uint32_t *buffer = new uint32_t[size];