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Check ImGui fonts before new frame

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This commit is contained in:
Dan Paulat 2023-10-06 04:50:26 -05:00
parent b66ca2cb09
commit 1f964c49f8
2 changed files with 44 additions and 10 deletions
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27
scwx-qt/source/scwx/qt/ui/imgui_debug_widget.cpp
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@ -51,6 +51,8 @@ public:
model::ImGuiContextModel::Instance().DestroyContext(contextName_);
}
void ImGuiCheckFonts();
ImGuiDebugWidget* self_;
ImGuiContext* context_;
std::string contextName_;
@ -59,6 +61,7 @@ public:
std::set<ImGuiContext*> renderedSet_ {};
bool imGuiRendererInitialized_ {false};
std::uint64_t imGuiFontsBuildCount_ {};
};
ImGuiDebugWidget::ImGuiDebugWidget(QWidget* parent) :
@ -103,6 +106,8 @@ void ImGuiDebugWidget::initializeGL()
// Initialize ImGui OpenGL3 backend
ImGui::SetCurrentContext(p->context_);
ImGui_ImplOpenGL3_Init();
p->imGuiFontsBuildCount_ =
manager::FontManager::Instance().imgui_fonts_build_count();
p->imGuiRendererInitialized_ = true;
}
@ -116,7 +121,7 @@ void ImGuiDebugWidget::paintGL()
ImGui_ImplQt_NewFrame(this);
ImGui_ImplOpenGL3_NewFrame();
p->ImGuiCheckFonts();
ImGui::NewFrame();
if (!p->renderedSet_.contains(p->currentContext_))
@ -141,6 +146,26 @@ void ImGuiDebugWidget::paintGL()
imguiFontAtlasLock.unlock();
}
void ImGuiDebugWidgetImpl::ImGuiCheckFonts()
{
// Update ImGui Fonts if required
std::uint64_t currentImGuiFontsBuildCount =
manager::FontManager::Instance().imgui_fonts_build_count();
if ((context_ == currentContext_ &&
imGuiFontsBuildCount_ != currentImGuiFontsBuildCount) ||
!model::ImGuiContextModel::Instance().font_atlas()->IsBuilt())
{
ImGui_ImplOpenGL3_DestroyFontsTexture();
ImGui_ImplOpenGL3_CreateFontsTexture();
}
if (context_ == currentContext_)
{
imGuiFontsBuildCount_ = currentImGuiFontsBuildCount;
}
}
} // namespace ui
} // namespace qt
} // namespace scwx