Cleanup.

README.md

@@ -575,6 +575,11 @@ with examples:
 
 	genie --with-sdl vs2012
 
+**NOTE** Special care is necessary to make custom windowing to work with
+multithreaded renderer. Each platform has rules about where renderer can be and
+how multithreading interacts with context/device. To disable multithreaded
+render use `BGFX_CONFIG_MULTITHREDED=0` preprocessor define.
+
 Tools
 -----
 

include/bgfxplatform.h

@@ -163,7 +163,7 @@ namespace bgfx
 #	elif BX_PLATFORM_WINDOWS
 		HWND hwnd = glfwGetWin32Window(_window);
 		winSetHwnd(hwnd);
-#	endif BX_PLATFORM_WINDOWS
+#	endif // BX_PLATFORM_WINDOWS
 	}
 
 } // namespace bgfx

src/renderer_gl.cpp

@@ -2669,6 +2669,7 @@ namespace bgfx { namespace gl
 			GLENUM(GL_RENDERBUFFER);
 
 			GLENUM(GL_INVALID_ENUM);
+			GLENUM(GL_INVALID_FRAMEBUFFER_OPERATION);
 			GLENUM(GL_INVALID_VALUE);
 			GLENUM(GL_INVALID_OPERATION);
 			GLENUM(GL_OUT_OF_MEMORY);