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Lock the ImGui font atlas when processing a frame

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This commit is contained in:
Dan Paulat 2023-10-01 22:07:36 -05:00
parent d3a3c3db36
commit 2e9f5818cd
4 changed files with 27 additions and 0 deletions
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8
scwx-qt/source/scwx/qt/ui/imgui_debug_widget.cpp
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@ -1,4 +1,5 @@
#include <scwx/qt/ui/imgui_debug_widget.hpp>
#include <scwx/qt/manager/font_manager.hpp>
#include <scwx/qt/model/imgui_context_model.hpp>
#include <set>
@ -109,6 +110,10 @@ void ImGuiDebugWidget::paintGL()
{
ImGui::SetCurrentContext(p->currentContext_);
// Lock ImGui font atlas prior to new ImGui frame
std::shared_lock imguiFontAtlasLock {
manager::FontManager::Instance().imgui_font_atlas_mutex()};
ImGui_ImplQt_NewFrame(this);
ImGui_ImplOpenGL3_NewFrame();
@ -131,6 +136,9 @@ void ImGuiDebugWidget::paintGL()
ImGui::Render();
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
// Unlock ImGui font atlas after rendering
imguiFontAtlasLock.unlock();
}
} // namespace ui