persist module render commands

include/utils/GuiModule/GuiModule.h

@@ -21,6 +21,7 @@ namespace Archimedes {
 
         protected:
             Window* window;
+            //Renderer* renderer;
     };
 }
 

include/utils/Renderer/Renderer.h

@@ -17,7 +17,16 @@ namespace Archimedes {
 
             void render();
 
-            void addRenderCmd(renderCmd* cmd) { rc.push_back(cmd); }
+            std::list<renderCmd*>::iterator addRenderCmd(renderCmd* cmd) {
+                
+                auto it = rc.end();
+                rc.push_back(cmd);
+                return it;
+            }
+
+            void removeRenderCmd(std::list<renderCmd*>::iterator cmd) {
+                rc.erase(cmd);
+            }
 
         private:
             std::list<renderCmd*> rc;

include/utils/Renderer/RendererOpenGL/RendererOpenGL.h

@@ -27,7 +27,6 @@ namespace Archimedes {
 
                 for(auto* f : cmdList)
                     f();
-                cmdList.clear();
             }
     };
 

modules/GUImodules/TestImgui/src/TestImgui.cpp

@@ -12,6 +12,7 @@ TestImgui::TestImgui(void* h, Archimedes::App* a) : Archimedes::GuiModule(h, a)
 }
 
 TestImgui::~TestImgui() {
+    window->getRenderer().removeRenderCmd(rcmd);
     ImGui_ImplOpenGL3_Shutdown();
     ImGui_ImplGlfw_Shutdown();
     ImGui::DestroyContext();
@@ -39,7 +40,18 @@ void TestImgui::onLoad() {
     // Setup Platform/Renderer backends
     ImGui_ImplGlfw_InitForOpenGL(window->getWindowImpl().getWindow(), true);
     ImGui_ImplOpenGL3_Init("#version 130");
-    
+ 
+    rcmd = window->getRenderer().addRenderCmd([](){
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+
+        /*if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+        {
+            ImGui::UpdatePlatformWindows();
+            ImGui::RenderPlatformWindowsDefault();
+        }*/
+    });
+
+    //cmdlist.push_back(it);
 }
 
 void TestImgui::run() {
@@ -51,15 +63,6 @@ void TestImgui::run() {
 
     ImGui::Render();
 
-    window->getRenderer().addRenderCmd([](){
-        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
-
-        /*if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
-        {
-            ImGui::UpdatePlatformWindows();
-            ImGui::RenderPlatformWindowsDefault();
-        }*/
-    });
 
     if(window->shouldClose())
         app->end();

modules/GUImodules/TestImgui/src/TestImgui.h

@@ -18,13 +18,14 @@ class TestImgui : public Archimedes::GuiModule {
 
     private:
         bool demo = true;
+        std::list<Archimedes::Renderer::renderCmd*>::iterator rcmd;
 };
 
 #ifndef TESTIMGUI_STATIC
 
 extern "C" {
     Archimedes::Module* create(void* handle, Archimedes::App* app) {
-        return new TestImgui(handle, app);
+        return (Archimedes::Module*) new TestImgui(handle, app);
     }
 }