Method ClearCursorCache

src/video/opengl.cpp:1135–1142

* Queue a request for cursor cache clear. */

 * Queue a request for cursor cache clear.
 */
void OpenGLBackend::ClearCursorCache()
{
	/* If the game loop is threaded, this function might be called
	 * from the game thread. As we can call OpenGL functions only
	 * on the main thread, just set a flag that is handled the next
	 * time we prepare the cursor cache for drawing. */
	this->clear_cursor_cache = true;
}

/**
 * Get a pointer to the memory for the video driver to draw to.