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DrawList, Fonts: fixed ImFontAtlasTextureRepack() overwriting draw list shared data UV's etc. even when not bound. (#8694, #8465)

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ImFontAtlasUpdateDrawListsSharedData() call from ImFontAtlasTextureRepack() would trigger this.
For simplicity we also track current atlas in ImDrawListSharedData, but we could probably use Font->ContainerAtlas.
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ocornut
2025-06-17 11:55:40 +02:00
parent 842837e35b
commit 24f7328e5f
3 changed files with 20 additions and 15 deletions
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10
imgui.cpp
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@@ -3932,7 +3932,7 @@ void ImGui::RenderMouseCursor(ImVec2 base_pos, float base_scale, ImGuiMouseCurso
ImGuiContext& g = *GImGui;
if (mouse_cursor <= ImGuiMouseCursor_None || mouse_cursor >= ImGuiMouseCursor_COUNT) // We intentionally accept out of bound values.
mouse_cursor = ImGuiMouseCursor_Arrow;
ImFontAtlas* font_atlas = g.DrawListSharedData.Font->ContainerAtlas;
ImFontAtlas* font_atlas = g.DrawListSharedData.FontAtlas;
for (ImGuiViewportP* viewport : g.Viewports)
{
// We scale cursor with current viewport/monitor, however Windows 10 for its own hardware cursor seems to be using a different scale factor.
@@ -8813,10 +8813,12 @@ void ImGui::SetCurrentFont(ImFont* font, float font_size_before_scaling, float f
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
IM_ASSERT(font->Scale > 0.0f);
#endif
g.DrawListSharedData.Font = g.Font;
ImFontAtlasUpdateDrawListsSharedData(g.Font->ContainerAtlas);
ImFontAtlas* atlas = font->ContainerAtlas;
g.DrawListSharedData.FontAtlas = atlas;
g.DrawListSharedData.Font = font;
ImFontAtlasUpdateDrawListsSharedData(atlas);
if (g.CurrentWindow != NULL)
g.CurrentWindow->DrawList->_SetTexture(font->ContainerAtlas->TexRef);
g.CurrentWindow->DrawList->_SetTexture(atlas->TexRef);
}
}