Merge branch 'graph-gui' into 'main'

[REMIX-4649] Add graph visualization GUI

See merge request lightspeedrtx/dxvk-remix-nv!1727

Author: MarkEHenderson

src/dxvk/imgui/dxvk_imgui.cpp

@@ -36,6 +36,7 @@
 #include "dxvk_imgui.h"
 #include "rtx_render/rtx_imgui.h"
 #include "dxvk_device.h"
+#include "rtx_render/graph/rtx_graph_gui.h"
 #include "rtx_render/rtx_utils.h"
 #include "rtx_render/rtx_shader_manager.h"
 #include "rtx_render/rtx_camera.h"
@@ -582,7 +583,8 @@ namespace dxvk {
   : m_device (device)
   , m_hwnd   (nullptr)
   , m_about  (new ImGuiAbout)
-  , m_splash  (new ImGuiSplash) {
+  , m_splash  (new ImGuiSplash)
+  , m_graphGUI  (new RtxGraphGUI) {
     // Clamp Option ranges
 
     RTX_OPTION_CLAMP(reflexStatRangeInterpolationRate, 0.0f, 1.0f);
@@ -2475,6 +2477,14 @@ namespace dxvk {
       showEnhancementsTab(ctx);
       ImGui::Unindent();
     }
+    
+    // Graph Visualization Section
+    ImGui::Separator();
+    if (ImGui::CollapsingHeader("Graph Visualization", ImGuiTreeNodeFlags_DefaultOpen)) {
+      ImGui::Indent();
+      m_graphGUI->showGraphVisualization(ctx);
+      ImGui::Unindent();
+    }
   }
 
   void ImGUI::showEnhancementsTab(const Rc<DxvkContext>& ctx) {

src/dxvk/imgui/dxvk_imgui.h

@@ -47,6 +47,7 @@ namespace dxvk {
   class ImGuiCapture;
   class DxvkDevice;
   class DxvkContext;
+  class RtxGraphGUI;
 
   /**
    * \brief DXVK ImGUI
@@ -165,6 +166,7 @@ namespace dxvk {
     float m_reflexLatencyStatsWindowHeight = 650.f;
     bool m_reflexLatencyStatsOpen = false;
     bool m_lastRenderVsyncStatus = false;
+    std::unique_ptr<RtxGraphGUI> m_graphGUI;
 
     static constexpr const char* tabNames[] = { "Rendering", "Game Setup", "Enhancements", "About" , "Dev Settings"};
     Tabs m_curTab = kTab_Count;
@@ -241,6 +243,7 @@ namespace dxvk {
     void onCloseMenus();
     void onOpenMenus();
     void freeUnusedMemory();
+
   };
 
 }

src/dxvk/meson.build

@@ -339,6 +339,8 @@ dxvk_src = files([
   'rtx_render/graph/rtx_graph_batch.cpp',
   'rtx_render/graph/rtx_graph_batch.h',
   'rtx_render/graph/rtx_graph_component_macros.h',
+  'rtx_render/graph/rtx_graph_gui.cpp',
+  'rtx_render/graph/rtx_graph_gui.h',
   'rtx_render/graph/rtx_graph_instance.cpp',
   'rtx_render/graph/rtx_graph_instance.h',
   'rtx_render/graph/rtx_graph_manager.h',

src/dxvk/rtx_render/graph/rtx_graph_batch.cpp

@@ -93,6 +93,9 @@ void RtGraphBatch::Initialize(const RtGraphTopology& topology) {
     return;
   }
 
+  // Store pointer to topology for GUI access (safe because topology lives in stable asset storage)
+  m_topology = &topology;
+
   for (size_t i = 0; i < topology.propertyTypes.size(); i++) {
     m_properties.push_back(propertyVectorFromType(topology.propertyTypes[i]));
   }

src/dxvk/rtx_render/graph/rtx_graph_batch.h

@@ -25,6 +25,7 @@
 #include "rtx_graph_types.h"
 #include "rtx_graph_instance.h"
 #include "../../dxvk_context.h"
+#include <cassert>
 
 namespace dxvk {
 
@@ -82,8 +83,23 @@ class RtGraphBatch {
     return true;
   }
 
+  // GUI access methods
+  const std::vector<std::unique_ptr<RtComponentBatch>>& getComponentBatches() const {
+    return m_componentBatches;
+  }
+
+  const std::vector<RtComponentPropertyVector>& getProperties() const {
+    return m_properties;
+  }
+
+  const RtGraphTopology& getTopology() const {
+    assert(m_topology != nullptr && "Topology not initialized");
+    return *m_topology;
+  }
+
 private:
   XXH64_hash_t m_graphHash;
+  const RtGraphTopology* m_topology = nullptr;
   std::vector<std::unique_ptr<RtComponentBatch>> m_componentBatches;
   std::vector<uint32_t> m_batchesWithSceneOverrides;
   std::vector<RtComponentPropertyVector> m_properties;