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#5200: Introduce WxGLWidgetManager which acts as global GL widget reg…
…istration instance. It will create the shared wxGLContext and send it to the GL context holder.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| #pragma once | ||
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| #include "igl.h" | ||
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| namespace wxutil { class GLWidget; } | ||
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| namespace ui | ||
| { | ||
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| // Application wide manager for wxGLWidgets | ||
| // All GLWidgets need to register themselves to this module | ||
| // since the shared wxGLContext creation will be bound to | ||
| // the first registered widget | ||
| class IWxGLWidgetManager : | ||
| public RegisterableModule | ||
| { | ||
| public: | ||
| /// Registers a GL widget, storing the shared context if necessary | ||
| virtual void registerGLWidget(wxutil::GLWidget* widget) = 0; | ||
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| /// Notifies the GL module that a GLWidget has been destroyed | ||
| virtual void unregisterGLWidget(wxutil::GLWidget* widget) = 0; | ||
| }; | ||
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| } | ||
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| const char* const MODULE_WXGLWIDGET_MANAGER("wxGLWidgetManager"); | ||
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| inline ui::IWxGLWidgetManager& GlobalWxGlWidgetManager() | ||
| { | ||
| // Cache the reference locally | ||
| static ui::IWxGLWidgetManager& _instance( | ||
| *std::static_pointer_cast<ui::IWxGLWidgetManager>( | ||
| module::GlobalModuleRegistry().getModule(MODULE_WXGLWIDGET_MANAGER) | ||
| ) | ||
| ); | ||
| return _instance; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| #include "WxGLWidgetManager.h" | ||
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| #include "module/StaticModule.h" | ||
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| namespace ui | ||
| { | ||
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| void WxGLWidgetManager::registerGLWidget(wxutil::GLWidget* widget) | ||
| { | ||
| auto result = _wxGLWidgets.insert(widget); | ||
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| if (result.second && _wxGLWidgets.size() == 1) | ||
| { | ||
| // TODO | ||
| #if 0 | ||
| // First non-duplicated widget registered, take this as context holder | ||
| _wxSharedContext = new wxGLContext(widget); | ||
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| // Create a context | ||
| widget->SetCurrent(*_wxSharedContext); | ||
| assertNoErrors(); | ||
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| _wxContextValid = true; | ||
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| sharedContextCreated(); | ||
| #endif | ||
| } | ||
| } | ||
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| void WxGLWidgetManager::unregisterGLWidget(wxutil::GLWidget* widget) | ||
| { | ||
| assert(_wxGLWidgets.find(widget) != _wxGLWidgets.end()); | ||
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| _wxGLWidgets.erase(widget); | ||
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| if (_wxGLWidgets.empty()) | ||
| { | ||
| #if 0 | ||
| // This is the last active GL widget | ||
| _wxContextValid = false; | ||
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| sharedContextDestroyed(); | ||
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| delete _wxSharedContext; | ||
| _wxSharedContext = NULL; | ||
| #endif | ||
| } | ||
| } | ||
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| const std::string& WxGLWidgetManager::getName() const | ||
| { | ||
| static std::string _name(MODULE_WXGLWIDGET_MANAGER); | ||
| return _name; | ||
| } | ||
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| const StringSet& WxGLWidgetManager::getDependencies() const | ||
| { | ||
| static StringSet _dependencies; | ||
| return _dependencies; | ||
| } | ||
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| void WxGLWidgetManager::initialiseModule(const IApplicationContext& ctx) | ||
| { | ||
| rMessage() << getName() << "::initialiseModule called." << std::endl; | ||
| } | ||
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| void WxGLWidgetManager::shutdownModule() | ||
| { | ||
| _wxGLWidgets.clear(); | ||
| } | ||
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| module::StaticModule<WxGLWidgetManager> wxGLWidgetManagerModule; | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #pragma once | ||
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| #include <set> | ||
| #include "iwxgl.h" | ||
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| namespace ui | ||
| { | ||
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| class WxGLWidgetManager : | ||
| public IWxGLWidgetManager | ||
| { | ||
| private: | ||
| std::set<wxutil::GLWidget*> _wxGLWidgets; | ||
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| public: | ||
| void registerGLWidget(wxutil::GLWidget* widget) override; | ||
| void unregisterGLWidget(wxutil::GLWidget* widget) override; | ||
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| // RegisterableModule implementation | ||
| const std::string& getName() const override; | ||
| const StringSet& getDependencies() const override; | ||
| void initialiseModule(const IApplicationContext& ctx) override; | ||
| void shutdownModule() override; | ||
| }; | ||
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| } |
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