+ if(matrices_loaded)
+ {
+ if(camera)
+ MatrixStack::projection().pop();
+ MatrixStack::modelview().pop();
+ matrices_loaded = false;
+ }
+
+ Mesh::unbind();
+ Texturing::unbind();
+ Texture::unbind_from(0);
+ Material::unbind();
+ Lighting::unbind();
+ Program::unbind();
+ Buffer::unbind_from(ELEMENT_ARRAY_BUFFER);
+ WindingTest::unbind();
+
+ *state = State();
+}
+
+void Renderer::exclude(const Renderable &renderable)
+{
+ excluded.insert(&renderable);
+}
+
+void Renderer::include(const Renderable &renderable)
+{
+ excluded.erase(&renderable);
+}
+
+void Renderer::render(const Renderable &renderable, const Tag &tag)
+{
+ if(!excluded.count(&renderable))
+ renderable.render(*this, tag);
+}
+
+void Renderer::draw(const Batch &batch)
+{