Frontend: Prevent drawing imgui into the vram texture

src/core/gpu.cpp

@@ -139,9 +139,9 @@ void GPU::ResetGraphicsAPIState() {}
 
 void GPU::RestoreGraphicsAPIState() {}
 
-void GPU::RenderStatistics() {}
+void GPU::DrawStatistics() {}
 
-void GPU::RenderDebugMenu()
+void GPU::DrawDebugMenu()
 {
   ImGui::MenuItem("Show VRAM", nullptr, &m_debug_options.show_vram);
   ImGui::MenuItem("Dump CPU to VRAM Copies", nullptr, &m_debug_options.dump_cpu_to_vram_copies);

src/core/gpu.h

@@ -40,10 +40,10 @@ public:
   virtual void RestoreGraphicsAPIState();
 
   // Render statistics debug window.
-  virtual void RenderStatistics();
+  virtual void DrawStatistics();
 
   // Manipulating debug options.
-  virtual void RenderDebugMenu();
+  virtual void DrawDebugMenu();
 
   // Called when settings change.
   virtual void UpdateSettings();

src/core/gpu_hw_opengl.cpp

@@ -68,9 +68,9 @@ void GPU_HW_OpenGL::RestoreGraphicsAPIState()
   glBindVertexArray(m_vao_id);
 }
 
-void GPU_HW_OpenGL::RenderStatistics()
+void GPU_HW_OpenGL::DrawStatistics()
 {
-  GPU_HW::RenderStatistics();
+  GPU_HW::DrawStatistics();
 
   ImGui::SetNextWindowSize(ImVec2(300.0f, 130.0f), ImGuiCond_Once);
 

src/core/gpu_hw_opengl.h

@@ -19,7 +19,7 @@ public:
   void ResetGraphicsAPIState() override;
   void RestoreGraphicsAPIState() override;
 
-  void RenderStatistics() override;
+  void DrawStatistics() override;
   void UpdateSettings() override;
 
 protected:

src/duckstation/sdl_interface.cpp

@@ -388,6 +388,8 @@ bool SDLInterface::PassEventToImGui(const SDL_Event* event)
 
 void SDLInterface::Render()
 {
+  DrawImGui();
+
   m_system->GetGPU()->ResetGraphicsAPIState();
 
   glBindFramebuffer(GL_FRAMEBUFFER, 0);
@@ -396,8 +398,6 @@ void SDLInterface::Render()
 
   RenderDisplay();
 
-  RenderImGui();
-
   ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 
   SDL_GL_SwapWindow(m_window);
@@ -459,19 +459,19 @@ void SDLInterface::RenderDisplay()
   glDrawArrays(GL_TRIANGLES, 0, 3);
 }
 
-void SDLInterface::RenderImGui()
+void SDLInterface::DrawImGui()
 {
-  RenderMainMenuBar();
+  DrawMainMenuBar();
 
   if (m_show_gpu_statistics)
-    m_system->GetGPU()->RenderStatistics();
+    m_system->GetGPU()->DrawStatistics();
 
-  RenderOSDMessages();
+  DrawOSDMessages();
 
   ImGui::Render();
 }
 
-void SDLInterface::RenderMainMenuBar()
+void SDLInterface::DrawMainMenuBar()
 {
   if (!ImGui::BeginMainMenuBar())
     return;
@@ -555,7 +555,7 @@ void SDLInterface::RenderMainMenuBar()
       ImGui::MenuItem("Show Statistics", nullptr, &m_show_gpu_statistics);
       ImGui::Separator();
 
-      m_system->GetGPU()->RenderDebugMenu();
+      m_system->GetGPU()->DrawDebugMenu();
       ImGui::EndMenu();
     }
 
@@ -603,7 +603,7 @@ void SDLInterface::SetDisplayTexture(GL::Texture* texture, u32 offset_x, u32 off
   m_display_texture_changed = true;
 }
 
-void SDLInterface::RenderOSDMessages()
+void SDLInterface::DrawOSDMessages()
 {
   constexpr ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoInputs |
                                             ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings |

src/duckstation/sdl_interface.h

@@ -50,7 +50,7 @@ private:
 
   // We only pass mouse input through if it's grabbed
   bool IsWindowFullscreen() const;
-  void RenderImGui();
+  void DrawImGui();
   void DoLoadState(u32 index);
   void DoSaveState(u32 index);
 
@@ -58,8 +58,8 @@ private:
   bool PassEventToImGui(const SDL_Event* event);
   void Render();
   void RenderDisplay();
-  void RenderMainMenuBar();
-  void RenderOSDMessages();
+  void DrawMainMenuBar();
+  void DrawOSDMessages();
 
   SDL_Window* m_window = nullptr;
   SDL_GLContext m_gl_context = nullptr;