Draw the profiler tree.

examples/testbed/framework/main.cpp

@@ -124,6 +124,11 @@ static void Run()
 
 		g_profiler->EndScope();
 		
+		if (g_settings->drawProfileTree)
+		{
+			g_view->InterfaceProfileTree();
+		}
+
 		g_profilerRecorder->BuildRecords();
 
 		if (g_settings->drawProfile)

examples/testbed/framework/profiler.h

@@ -58,6 +58,9 @@ public:
 	
 	// End the top scope.
 	void EndScope();
+
+	// Get the root profiler node.
+	ProfilerNode* GetRoot() { return m_root; }
 private:
 	friend class ProfilerRecorder;
 	

examples/testbed/framework/view.cpp

@@ -19,6 +19,7 @@
 #include <testbed/framework/view.h>
 #include <testbed/framework/view_model.h>
 #include <testbed/framework/test.h>
+#include <testbed/framework/profiler.h>
 
 #include <imgui/imgui.h>
 #if defined (U_OPENGL_2)
@@ -218,6 +219,7 @@ void View::Interface()
 		if (ImGui::BeginMenu("View"))
 		{
 			ImGui::MenuItem("Profile", "", &settings.drawProfile);
+			ImGui::MenuItem("Profile Tree", "", &settings.drawProfileTree);
 			ImGui::MenuItem("Statistics", "", &settings.drawStats);
 
 			ImGui::Separator();
@@ -400,6 +402,53 @@ void View::Interface()
 	ImGui::End();
 }
 
+static void TreeNode(ProfilerNode* node, u32& index)
+{
+	ImGui::PushID(index);
+	++index;
+
+	if (ImGui::TreeNode(node->name))
+	{
+		float64 elapsedTime = node->t1 - node->t0;
+		ImGui::Text("%.4f [ms]", elapsedTime);
+
+		for (u32 i = 0; i < node->children.Count(); ++i)
+		{
+			TreeNode(node->children[i], index);
+		}
+		ImGui::TreePop();
+	}	
+	
+	ImGui::PopID();
+}
+
+void View::InterfaceProfileTree()
+{
+	ImGui::Begin("Overlay", NULL, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoScrollbar);
+	ImVec2 ws = ImGui::GetWindowSize();
+	ImVec2 wp = ImGui::GetWindowPos();
+	ImGui::End();
+
+	ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+	
+	ImGui::SetNextWindowBgAlpha(0.0f);
+	ImGui::SetNextWindowPos(ImVec2(0.0f, wp.y + ws.y));
+	ImGui::SetNextWindowSize(ImVec2(g_camera->m_width - 250.0f, 0.0f));
+
+	ImGui::Begin("##ProfileTree", NULL, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_AlwaysAutoResize);
+
+	ProfilerNode* root = g_profiler->GetRoot();
+	if (root)
+	{
+		u32 index = 0;
+		TreeNode(root, index);
+	}
+	
+	ImGui::End();
+	
+	ImGui::PopStyleVar();
+}
+
 void View::EndInterface()
 {
 	ImGui::PopStyleVar();

examples/testbed/framework/view.h

@@ -41,6 +41,7 @@ public:
 
 	void BeginInterface();
 	void Interface();
+	void InterfaceProfileTree();
 	void EndInterface();
 private:
 	friend class ViewModel;

examples/testbed/framework/view_model.h

@@ -33,6 +33,7 @@ struct Settings
 		drawTriangles = true;
 		drawGrid = true;
 		drawProfile = false;
+		drawProfileTree = false;
 		drawStats = false;
 	}
 
@@ -43,6 +44,7 @@ struct Settings
 	bool drawTriangles;
 	bool drawGrid;
 	bool drawProfile;
+	bool drawProfileTree;
 	bool drawStats;
 };