Remove unused variable.

PiperOrigin-RevId: 889771550
Change-Id: I8b89e6ccf0a896461b9ddadc23f57e003ea7f8da

src/experimental/filament/filament/filament_context.cc

@@ -123,12 +123,7 @@ FilamentContext::~FilamentContext() {
   filament::Engine::destroy(engine_);
 }
 
-void FilamentContext::Render(const mjrRect& viewport, const mjvScene* scene,
-                             const mjrContext* con) {
-  if (con != context_) {
-    mju_error("Unexpected context.");
-  }
-
+void FilamentContext::Render(const mjrRect& viewport, const mjvScene* scene) {
   // If we're rendering to the window, and the window size has changed, we need
   // to reacquire the swap chain.
   if (scene_swap_chain_target_ == kWindowSwapChain &&
@@ -145,7 +140,7 @@ void FilamentContext::Render(const mjrRect& viewport, const mjvScene* scene,
   }
 
   scene_view_->SetViewport(viewport);
-  scene_view_->UpdateScene(con, scene);
+  scene_view_->UpdateScene(scene);
   // Update the UX renderable entity after processing the scene in case there
   // are any elements in the scene which generate UX draw calls (e.g. labels).
   if (gui_view_ && gui_swap_chain_target_ == scene_swap_chain_target_) {

src/experimental/filament/filament/filament_context.h

@@ -39,8 +39,7 @@ class FilamentContext {
                   mjrContext* con);
   ~FilamentContext();
 
-  void Render(const mjrRect& viewport, const mjvScene* scene,
-              const mjrContext* con);
+  void Render(const mjrRect& viewport, const mjvScene* scene);
 
   void SetFrameBuffer(int framebuffer);
 

src/experimental/filament/filament/scene_view.cc

@@ -431,7 +431,7 @@ void SceneView::PrepareLights() {
   }
 }
 
-void SceneView::UpdateScene(const mjrContext* context, const mjvScene* scene) {
+void SceneView::UpdateScene(const mjvScene* scene) {
   views_[kNormalIndex]->setShadowingEnabled(scene->flags[mjRND_SHADOW]);
 
   mjtNum hpos[3], hfwd[3];

src/experimental/filament/filament/scene_view.h

@@ -64,7 +64,7 @@ class SceneView {
 
   // Updates the Entities in the filament Scene to match the current mjvScene
   // state.
-  void UpdateScene(const mjrContext* context, const mjvScene* scene);
+  void UpdateScene(const mjvScene* scene);
 
   using DrawMode = Material::DrawMode;
 

src/experimental/filament/render_context_filament.cc

@@ -74,7 +74,7 @@ void mjrf_freeContext(mjrContext* con) {
 
 void mjrf_render(mjrRect viewport, mjvScene* scn, const mjrContext* con) {
   CheckFilamentContext();
-  g_filament_context->Render(viewport, scn, con);
+  g_filament_context->Render(viewport, scn);
 }
 
 void mjrf_uploadMesh(const mjModel* m, const mjrContext* con, int meshid) {