engine: sync editor rendering and ui changes

tests/editor/test_viewport_render_flow_utils.cpp

@@ -299,6 +299,41 @@ TEST(ViewportRenderFlowUtilsTest, BuildSceneViewportRenderPlanCollectsPostSceneA
     EXPECT_EQ(result.warningStatusText, nullptr);
 }
 
+TEST(ViewportRenderFlowUtilsTest, BuildSceneViewportRenderPlanSkipsRhiOverlayPassWhenFrameContainsOnlySceneIcons) {
+    const SceneViewportOverlayData overlay = CreateValidOverlay();
+
+    SceneViewportOverlayFrameData editorOverlayFrameData = {};
+    editorOverlayFrameData.overlay = overlay;
+    auto& sprite = editorOverlayFrameData.worldSprites.emplace_back();
+    sprite.worldPosition = XCEngine::Math::Vector3::Zero();
+    sprite.sizePixels = XCEngine::Math::Vector2(32.0f, 32.0f);
+
+    size_t overlayFactoryCallCount = 0u;
+    const auto result = BuildSceneViewportRenderPlan(
+        {},
+        overlay,
+        {},
+        editorOverlayFrameData,
+        [](const SceneViewportGridPassData&) {
+            return std::make_unique<NoopRenderPass>();
+        },
+        [](
+            RHIResourceView*,
+            const std::vector<uint64_t>&,
+            const SceneViewportSelectionOutlineStyle&) {
+            return std::make_unique<NoopRenderPass>();
+        },
+        [&overlayFactoryCallCount](const SceneViewportOverlayFrameData&) {
+            ++overlayFactoryCallCount;
+            return std::make_unique<NoopRenderPass>();
+        },
+        false);
+
+    EXPECT_EQ(result.plan.postScenePasses.GetPassCount(), 1u);
+    EXPECT_EQ(result.plan.overlayPasses.GetPassCount(), 0u);
+    EXPECT_EQ(overlayFactoryCallCount, 0u);
+}
+
 TEST(ViewportRenderFlowUtilsTest, BuildSceneViewportRenderPlanWarnsWhenSelectionOutlineCannotAccessObjectIdTexture) {
     const SceneViewportOverlayData overlay = CreateValidOverlay();