Made Background::Draw receive const scene pointer

Former-commit-id: 2b84f8ea924714d81046f3dd29990939586e7622

src/Nazara/Graphics/ColorBackground.cpp

@@ -11,8 +11,10 @@ m_color(color)
 {
 }
 
-void NzColorBackground::Draw() const
+void NzColorBackground::Draw(const NzScene* scene) const
 {
+	NazaraUnused(scene);
+
 	NzRenderer::SetClearColor(m_color);
 	NzRenderer::Clear(nzRendererClear_Color);
 }

src/Nazara/Graphics/Scene.cpp

@@ -108,7 +108,7 @@ void NzScene::Draw()
 	NzRenderer::Clear(nzRendererClear_Depth);
 
 	if (m_impl->background)
-		m_impl->background->Draw();
+		m_impl->background->Draw(this);
 
 	LightComparator lightComparator;
 

src/Nazara/Graphics/TextureBackground.cpp

@@ -12,8 +12,10 @@ m_texture(texture)
 {
 }
 
-void NzTextureBackground::Draw() const
+void NzTextureBackground::Draw(const NzScene* scene) const
 {
+	NazaraUnused(scene);
+
 	const NzRenderTarget* target = NzRenderer::GetTarget();
 	NzRectui viewport = NzRenderer::GetViewport();