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Viewports: fixed viewport->FramebufferScale update for main viewport. Amend 98a66d8, 91b131e. (#9502)

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ocornut
2026-08-05 17:20:04 +02:00
parent 91b131e448
commit 035c87ef84
1 changed files with 2 additions and 2 deletions
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imgui.cpp
+2 -2
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@@ -17429,10 +17429,10 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
viewport->UpdateWorkRect();
IM_ASSERT(window == NULL || viewport->ID == window->ID);
// Initialize FramebufferScale for new viewports, before UpdatePlatformWindows() -> Platform_GetWindowFramebufferScale() has a chance to run.
// Initialize FramebufferScale for main viewport and new viewports, before UpdatePlatformWindows() -> Platform_GetWindowFramebufferScale() has a chance to run.
// FIXME: New viewport on monitors with a different scale will run for a frame with wrong scale? (#9502)
// A workaround could be to cache last known FramebufferScale per monitor, so the heuristic can pull it from monitor.
if (viewport->FramebufferScale.x <= 0.0f || viewport->FramebufferScale.y <= 0.0f)
if (viewport->FramebufferScale.x <= 0.0f || viewport->FramebufferScale.y <= 0.0f || viewport->ID == IMGUI_VIEWPORT_DEFAULT_ID)
viewport->FramebufferScale = g.IO.DisplayFramebufferScale;
if (window != NULL)