fix opengl context checks

src/noggit/MapView.cpp

@@ -2822,6 +2822,8 @@ void MapView::paintGL()
   OpenGL::context::scoped_setter const _(::gl, context());
   makeCurrent();
 
+  gl.processCleanup();
+
   gl.clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
   {
@@ -2944,27 +2946,34 @@ void MapView::resizeGL (int width, int height)
 
 MapView::~MapView()
 {
-  makeCurrent();
+  //makeCurrent();
 
   _destroying = true;
 
   _main_window->removeToolBar(_main_window->_app_toolbar);
 
-  OpenGL::context::scoped_setter const _ (::gl, context());
-  delete _texBrush;
-  delete _viewport_overlay_ui;
+  //OpenGL::context::scoped_setter const _ (::gl, context());
+
+  //::gl.processCleanup();
+
+  //delete _texBrush;
+  //delete _viewport_overlay_ui;
 
   // when the uid fix fail the UI isn't created
   if (!_uid_fix_failed)
   {
-    // delete TexturePicker; // explicitly delete this here to avoid opengl context related crash
-    // delete objectEditor;
-    // since the ground effect tool preview renderer got added, this causes crashing on exit to menu. 
-    // Now it crashes in application exit.
-    // delete texturingTool;
-
+      // delete TexturePicker; // explicitly delete this here to avoid opengl context related crash
+      // delete objectEditor;
+      // since the ground effect tool preview renderer got added, this causes crashing on exit to menu. 
+      // Now it crashes in application exit.
+      // delete texturingTool;
+      if (_tools[static_cast<int>(editing_mode::area_trigger)])
+      {
+          _tools[static_cast<int>(editing_mode::area_trigger)]->unload();
+      }
     _tools[static_cast<int>(editing_mode::paint)].reset();
     _tools[static_cast<int>(editing_mode::object)].reset();
+    _tools[static_cast<int>(editing_mode::area_trigger)].reset();
   }
   
   if (_force_uid_check)
@@ -2978,14 +2987,22 @@ MapView::~MapView()
 
   Noggit::Ui::selected_texture::texture.reset();
 
+  _buffers.unload();
+
+  makeCurrent();
+
+  OpenGL::context::scoped_setter const _(::gl, context());
+
+  ::gl.processCleanup();
+
+  delete _texBrush;
+  delete _viewport_overlay_ui;
+
   ModelManager::report();
   TextureManager::report();
   WMOManager::report();
 
   NOGGIT_ACTION_MGR->disconnect();
-
-  _buffers.unload();
-
 }
 
 void MapView::tick (float dt)

src/noggit/MapView.h

@@ -322,6 +322,7 @@ private:
 
   QOpenGLContext* _last_opengl_context;
 
+private:
   virtual void tabletEvent(QTabletEvent* event) override;
   virtual void initializeGL() override;
   virtual void paintGL() override;

src/noggit/TextureManager.cpp

@@ -42,8 +42,29 @@ void TextureManager::unload_all(Noggit::NoggitRenderContext context)
 
   for (auto& pair : arrays_for_context)
   {
-    gl.deleteTextures(static_cast<GLuint>(pair.second.arrays.size()), pair.second.arrays.data());
+      std::vector<GLuint> ids_to_delete = std::move(pair.second.arrays);
+      GLsizei count = static_cast<GLsizei>(ids_to_delete.size());
+
+      if (count == 0)
+      {
+          continue;
+      }
+
+      if (QOpenGLContext::currentContext())
+      {
+          gl.deleteTextures(count, ids_to_delete.data());
+      }
+      else
+      {
+          gl.scheduleCleanup([count, ids_to_delete = std::move(ids_to_delete)]() mutable
+              {
+                  gl.deleteTextures(count, ids_to_delete.data());
+              }
+          );
+      }
   }
+  
+  arrays_for_context.clear();
 }
 
 TexArrayParams& TextureManager::get_tex_array(int width, int height, int mip_level,

src/noggit/Tool.hpp

@@ -198,6 +198,8 @@ namespace Noggit
         // Save tool-specific settings to disk
         virtual void saveSettings();
 
+        virtual void unload() {};
+
     protected:
         void addHotkey(StringHash name, Hotkey hotkey);
 

src/noggit/rendering/LiquidRender.cpp

@@ -191,9 +191,24 @@ void LiquidRender::updateLayerData(LiquidTextureManager* tex_manager)
           {
             auto& layer_params = _render_layers.back();
 
-            gl.deleteBuffers(1, &layer_params.chunk_data_buf);
-            gl.deleteTextures(1, &layer_params.vertex_data_tex);
+            GLuint buffer_id = layer_params.chunk_data_buf;
+            GLuint texture_id = layer_params.vertex_data_tex;
 
+            if (QOpenGLContext::currentContext())
+            {
+                gl.deleteBuffers(1, &buffer_id);
+                gl.deleteTextures(1, &texture_id);
+            }
+            else
+            {
+                gl.scheduleCleanup([buffer_id, texture_id]() mutable
+                    {
+                        gl.deleteBuffers(1, &buffer_id);
+                        gl.deleteTextures(1, &texture_id);
+                    }
+                );
+            }
+            
             _render_layers.pop_back();
           }
         }
@@ -226,8 +241,24 @@ void LiquidRender::unload()
 
   for (auto& render_layer : _render_layers)
   {
-    gl.deleteBuffers(1, &render_layer.chunk_data_buf);
-    gl.deleteTextures(1, &render_layer.vertex_data_tex);
+      GLuint buffer_id = render_layer.chunk_data_buf;
+      GLuint texture_id = render_layer.vertex_data_tex;
+
+      if (QOpenGLContext::currentContext())
+      {
+          gl.deleteBuffers(1, &buffer_id);
+          gl.deleteTextures(1, &texture_id);
+      }
+      else
+      {
+          gl.scheduleCleanup([buffer_id, texture_id]() mutable
+              {
+                  gl.deleteBuffers(1, &buffer_id);
+                  gl.deleteTextures(1, &texture_id);
+              }
+          );
+      }
+    
   }
 
   _render_layers.clear();

src/noggit/rendering/LiquidTextureManager.cpp

@@ -137,7 +137,19 @@ void LiquidTextureManager::unload()
   for (auto& pair : _texture_frames_map)
   {
     GLuint array = std::get<0>(pair.second);
-    gl.deleteTextures(1, &array);
+
+    if (QOpenGLContext::currentContext())
+    {
+        gl.deleteTextures(1, &array);
+    }
+    else
+    {
+        gl.scheduleCleanup([array]() mutable
+            {
+                gl.deleteTextures(1, &array);
+            }
+        );
+    }
   }
 
   _texture_frames_map.clear();

src/noggit/rendering/ModelRender.cpp

@@ -74,7 +74,22 @@ void ModelRender::unload()
   _vertex_arrays.unload();
 
   if (_bone_matrices_buf_tex)
-    gl.deleteTextures(1, &_bone_matrices_buf_tex);
+  {
+      GLuint texture_id = _bone_matrices_buf_tex;
+
+      if (QOpenGLContext::currentContext())
+      {
+          gl.deleteTextures(1, &texture_id);
+      }
+      else
+      {
+          gl.scheduleCleanup([texture_id]() mutable
+              {
+                  gl.deleteTextures(1, &texture_id);
+              }
+          );
+      }
+  }
 
   for (auto& particle : _model->_particles)
   {

src/noggit/rendering/TileRender.cpp

@@ -50,6 +50,24 @@ void TileRender::unload()
     _buffers.unload();
     _uploaded = false;
     gl.deleteQueries(1, &_tile_occlusion_query);
+
+    if (_tile_occlusion_query)
+    {
+        GLuint query_id = _tile_occlusion_query;
+
+        if (QOpenGLContext::currentContext())
+        {
+            gl.deleteQueries(1, &query_id);
+        }
+        else
+        {
+            gl.scheduleCleanup([query_id]() mutable
+                {
+                    gl.deleteQueries(1, &query_id);
+                }
+            );
+        }
+    }
   }
 
 

src/noggit/rendering/WMOGroupRender.cpp

@@ -251,7 +251,23 @@ void WMOGroupRender::unload()
   _vertex_array.unload();
   _buffers.unload();
 
-  gl.deleteTextures(1, &_render_batch_tex);
+  if (_render_batch_tex)
+  {
+      GLuint texture_id = _render_batch_tex;
+
+      if (QOpenGLContext::currentContext())
+      {
+          gl.deleteTextures(1, &texture_id);
+      }
+      else
+      {
+          gl.scheduleCleanup([texture_id]() mutable
+              {
+                  gl.deleteTextures(1, &texture_id);
+              }
+          );
+      }
+  }
 
   _uploaded = false;
   _vao_is_setup = false;

src/noggit/tools/AreaTriggerTool.cpp

@@ -56,6 +56,17 @@ namespace Noggit
   {
   }
 
+  void AreaTriggerTool::unload()
+  {
+      _boxRenderer.unload();
+      _sphereRenderer.unload();
+
+      if (_editor) {
+          delete _editor;
+          _editor = nullptr;
+      }
+  }
+
   char const* AreaTriggerTool::name() const
   {
     return "Area Trigger";

src/noggit/tools/AreaTriggerTool.hpp

@@ -52,6 +52,8 @@ namespace Noggit
 
     void saveSettings() override;
 
+    void unload() override;
+
   private:
     Ui::Tools::AreaTriggerEditor* _editor = nullptr;
     Noggit::Rendering::Primitives::WireBox _boxRenderer;

src/noggit/tools/TexturingTool.cpp

@@ -170,6 +170,16 @@ namespace Noggit
         setupTexturePicker(mv);
     }
 
+    void TexturingTool::unload()
+    {
+        if (_texturingTool)
+        {
+            _texturingTool->unload();
+        }
+
+        Tool::unload();
+    }
+
     void TexturingTool::setupTextureBrowser(MapView* mv)
     {
       // Dock

src/noggit/tools/TexturingTool.hpp

@@ -23,6 +23,8 @@ namespace Noggit
         TexturingTool(MapView* mapView);
         ~TexturingTool();
 
+        void unload() override;
+
         [[nodiscard]]
         char const* name() const override;
 

src/noggit/ui/GroundEffectsTool.cpp

@@ -742,6 +742,12 @@ namespace Noggit
         void GroundEffectsTool::delete_renderer()
         {
           delete _preview_renderer;
+          _preview_renderer = nullptr;
+        }
+
+        void GroundEffectsTool::unload()
+        {
+            delete_renderer();
         }
 
         void GroundEffectsTool::showEvent(QShowEvent* event)

src/noggit/ui/GroundEffectsTool.hpp

@@ -82,6 +82,7 @@ namespace Noggit
       void updateTerrainUniformParams();
       // Delete renderer.
       ~GroundEffectsTool();
+      void unload();
       float radius() const;
       ground_effect_brush_mode brush_mode() const;
       bool render_mode() const;

src/noggit/ui/texturing_tool.cpp

@@ -1025,5 +1025,13 @@ namespace Noggit
       style()->drawComplexControl(QStyle::CC_Slider, &opt, &p, this);
       */
     }
+
+    void texturing_tool::unload()
+    {
+        if (_ground_effect_tool)
+        {
+            _ground_effect_tool->unload();
+        }
+    }
 }
 }

src/noggit/ui/texturing_tool.hpp

@@ -77,7 +77,8 @@ namespace Noggit
                      );
 
       ~texturing_tool(); // { _ground_effect_tool->deleteLater(); }; // { delete _ground_effect_tool; };
-
+    
+      void unload();
       float brush_radius() const;
       float hardness() const;
       bool show_unpaintable_chunks() const;

src/noggit/ui/tools/PreviewRenderer/PreviewRenderer.cpp

@@ -701,9 +701,9 @@ void PreviewRenderer::unloadOpenglData()
     return;
   }
 
-  assert(context() != nullptr);
-  makeCurrent();
-  OpenGL::context::scoped_setter const _ (::gl, context());
+  //assert(context() != nullptr);
+  //makeCurrent();
+  //OpenGL::context::scoped_setter const _ (::gl, context());
 
   ModelManager::unload_all(_context);
   WMOManager::unload_all(_context);

src/noggit/ui/windows/noggitWindow/NoggitWindow.cpp

@@ -600,6 +600,8 @@ namespace Noggit::Ui::Windows
       case QMessageBox::AcceptRole:
         _stack_widget->setCurrentIndex(0);
         _stack_widget->removeLast();
+
+        Noggit::Ui::Tools::ViewportManager::ViewportManager::unloadAll();
         delete _map_view;
         _map_view = nullptr;
         _minimap->world(nullptr);
@@ -807,8 +809,16 @@ namespace Noggit::Ui::Windows
                   progress_box->repaint();
                   qApp->processEvents();
 
+
                   try
                   {
+                      //if (!clientData->openArchiveForWriting(*archive)) 
+                      //{
+                      //    QMessageBox::warning(this, "Error", "Failed to switch archive to writable mode.");
+                      //    progress_box->close();
+                      //    return;
+                      //}
+
                       auto start = std::chrono::high_resolution_clock::now();
 
                       std::array<int, 2> result = clientData->saveLocalFilesToArchive(archive.value(), mpq_compress_files_chk->isChecked(), mpq_compact_chk->isChecked());
@@ -820,9 +830,11 @@ namespace Noggit::Ui::Windows
                       std::ostringstream oss; // duration in seconds with 1 digit
                       oss << std::fixed << std::setprecision(1) << duration.count();
 
+                      // clientData->closeArchiveToReadOnly(*archive);
+
                       // if no file was processed, archive was most likely opened and not accessible
                       // TODO : we can throw an error message in saveLocalFilesToArchive if (!archive->openForWritting()) instead
-                      if (!processed_files)
+                      if (processed_files <= 0)
                       {
                           QMessageBox::warning(this, "Error", "Project Folder is not a valid directory or client MPQ is not accessible.\
                               \nMake sure it isn't opened by Wow or MPQ editor");
@@ -833,6 +845,26 @@ namespace Noggit::Ui::Windows
 
 
                   }
+                  /*
+                  catch (const BlizzardArchive::Exceptions::Archive::ArchiveOpenError& e)
+                  {
+                      
+                      QMessageBox::critical(this, "Archive Access Error",
+                          QString("Failed to open/close the archive for writing.\nDetails: %1").arg(e.what()));
+                  }
+                  catch (const BlizzardArchive::Exceptions::Archive::FileWriteFailedError& e)
+                  {
+                      
+                      QMessageBox::critical(this, "File Write Error",
+                          QString("A file operation failed during saving.\nDetails: %1").arg(e.what()));
+                  }
+                  
+                  catch (const std::exception& e)
+                  {
+                      
+                      QMessageBox::critical(this, "Standard Exception",
+                          QString("An unexpected standard error occurred: %1").arg(e.what()));
+                  }*/
                   catch (...)
                   {
                       QMessageBox::critical(nullptr, "Error", "unhandled exception");

src/noggit/world_model_instances_storage.cpp

@@ -401,7 +401,23 @@ namespace Noggit
     if (!_transform_storage_uploaded)
       return;
 
-    gl.deleteTextures(1, &_m2_instances_transform_buf_tex);
+    if (_m2_instances_transform_buf_tex)
+    {
+        GLuint texture_id = _m2_instances_transform_buf_tex;
+
+        if (QOpenGLContext::currentContext())
+        {
+            gl.deleteTextures(1, &texture_id);
+        }
+        else
+        {
+            gl.scheduleCleanup([texture_id]() mutable
+                {
+                    gl.deleteTextures(1, &texture_id);
+                }
+            );
+        }
+    }
     _buffers.unload();
 
     _transform_storage_uploaded = false;

src/opengl/context.cpp

@@ -53,4 +53,32 @@ namespace OpenGL
   {
     return _current_context;
   }
+
+  void context::scheduleCleanup(std::function<void()> task)
+  {
+      QMutexLocker lock(&_cleanup_mutex);
+      _cleanup_queue.append(task);
+  }
+
+  void context::processCleanup()
+  {
+      if (QOpenGLContext::currentContext() != _current_context)
+      {
+          // must be called after the context is made current
+          assert(QOpenGLContext::currentContext() == _current_context);
+
+          return;
+      }
+
+      QList<std::function<void()>> tasks_to_process;
+      {
+          QMutexLocker lock(&_cleanup_mutex);
+          _cleanup_queue.swap(tasks_to_process);
+      }
+
+      for (const auto& task : tasks_to_process)
+      {
+          task();
+      }
+  }
 }

src/opengl/context.hpp

@@ -3,6 +3,9 @@
 #pragma once
 #include <opengl/types.hpp>
 #include <QtGui/QOpenGLFunctions_4_1_Core>
+#include <QMutex>
+#include <QList>
+#include <functional>
 
 // NOGGIT_FORCEINLINE ---------------------------------------------//
 // Macro to use in place of 'inline' to force a function to be inline
@@ -55,6 +58,12 @@ namespace OpenGL
     QOpenGLContext* _current_context = nullptr;
     QOpenGLFunctions_4_1_Core* _4_1_core_func = nullptr;
 
+    QMutex _cleanup_mutex;
+    QList<std::function<void()>> _cleanup_queue;
+
+    void scheduleCleanup(std::function<void()> task);
+    void processCleanup();
+
     NOGGIT_FORCEINLINE bool has_extension(std::string const& name);
 
     NOGGIT_FORCEINLINE void enable (GLenum);

src/opengl/scoped.hpp

@@ -101,7 +101,7 @@ namespace OpenGL
 
     private:
       bool _buffer_generated = false;
-      GLuint _buffers[count];
+      GLuint _buffers[count] = { 0 };
     };
 
     template<std::size_t count>
@@ -139,7 +139,7 @@ namespace OpenGL
 
     private:
       bool _buffer_generated = false;
-      GLuint _vertex_arrays[count];
+      GLuint _vertex_arrays[count] = { 0 };
     };
 
     template<std::size_t count>
@@ -160,7 +160,7 @@ namespace OpenGL
 
     private:
       bool _texture_generated = false;
-      GLuint _textures[count];
+      GLuint _textures[count] = { 0 };
     };
 
     template<std::size_t count>

src/opengl/scoped.ipp

@@ -139,17 +139,38 @@ namespace OpenGL
     template<std::size_t count>
     void deferred_upload_buffers<count>::unload()
     {
-      gl.deleteBuffers(count, _buffers);
-      _buffer_generated = false;
+        for (int i = 0; i < count; ++i)
+        {
+            GLuint& buffer_id = _buffers[i];
+
+            if (buffer_id == 0)
+            {
+                continue;
+            }
+
+            if (QOpenGLContext::currentContext() && ::gl.getCurrentContext() != nullptr)
+            {
+                gl.deleteBuffers(1, &buffer_id);
+            }
+            else
+            {
+                gl.scheduleCleanup([buffer_id]() mutable
+                    {
+                        gl.deleteBuffers(1, &buffer_id);
+                    }
+                );
+            }
+            
+            buffer_id = 0;
+        }
+
+        _buffer_generated = false; 
     }
 
     template<std::size_t count>
     deferred_upload_buffers<count>::~deferred_upload_buffers()
     {
-      if (_buffer_generated)
-      {
-        gl.deleteBuffers (count, _buffers);
-      }
+        unload();
     }
 
     template<std::size_t count>
@@ -186,8 +207,31 @@ namespace OpenGL
     template<std::size_t count>
     void deferred_upload_vertex_arrays<count>::unload()
     {
-      gl.deleteVertexArray(count, _vertex_arrays);
-      _buffer_generated = false;
+        for (int i = 0; i < count; ++i)
+        {
+            GLuint& vertex_array_id = _vertex_arrays[i];
+
+            if (vertex_array_id == 0)
+            {
+                continue;
+            }
+
+            if (QOpenGLContext::currentContext() && ::gl.getCurrentContext() != nullptr)
+            {
+                gl.deleteVertexArray(1, &vertex_array_id);
+            }
+            else
+            {
+                gl.scheduleCleanup([vertex_array_id]() mutable
+                    {
+                        gl.deleteVertexArray(1, &vertex_array_id);
+                    }
+                );  
+            }
+
+            vertex_array_id = 0;
+        }
+        _buffer_generated = false;
     }
 
     template<std::size_t count>
@@ -195,7 +239,7 @@ namespace OpenGL
     {
       if (_buffer_generated)
       {
-        gl.deleteVertexArray (count, _vertex_arrays);
+          unload();
       }
     }
 
@@ -222,17 +266,38 @@ namespace OpenGL
     template<std::size_t count>
     void deferred_upload_textures<count>::unload()
     {
-      gl.deleteTextures(count, _textures);
-      _texture_generated = false;
+        for (int i = 0; i < count; ++i)
+        {
+            GLuint& texture_id = _textures[i]; 
+
+            if (texture_id == 0)
+            {
+                continue;
+            }
+
+            if (QOpenGLContext::currentContext() && ::gl.getCurrentContext() != nullptr)
+            {
+                gl.deleteTextures(1, &texture_id); 
+            }
+            else
+            {
+                gl.scheduleCleanup([texture_id]() mutable
+                    {
+                        gl.deleteTextures(1, &texture_id);
+                    }
+                );
+            }
+
+            texture_id = 0;
+        }
+
+        _texture_generated = false;
     }
 
     template<std::size_t count>
     deferred_upload_textures<count>::~deferred_upload_textures()
     {
-      if (_texture_generated)
-      {
-        gl.deleteTextures(count, _textures);
-      }
+        unload();
     }
 
     template<std::size_t count>

src/opengl/shader.cpp

@@ -121,7 +121,20 @@ namespace OpenGL
   {
     if (_handle)
     {
-      gl.deleteProgram (*_handle);
+        if (QOpenGLContext::currentContext() && ::gl.getCurrentContext() != nullptr)
+        {
+            gl.deleteProgram(*_handle);
+        }
+        /*else
+        {
+            GLuint id = *_handle;
+
+            gl.scheduleCleanup([id]() 
+            {
+                gl.deleteProgram(id);
+            }
+            );
+        }*/
     }
   }