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Fonts: detect if ImFontAtlasUpdateNewFrame() is not being called.

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ocornut 2025-05-22 16:32:46 +02:00
parent 9f8b4bdaf1
commit 5926c877a1
3 changed files with 16 additions and 5 deletions
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7
imgui_draw.cpp
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@ -2715,11 +2715,14 @@ static void ImFontAtlasBuildUpdateRendererHasTexturesFromContext(ImFontAtlas* at
}
}
// Called by NewFrame(). When multiple context own the atlas, only the first one calls this.
// If you are calling this yourself, ensure atlas->RendererHasTextures is set.
// Called by NewFrame() for atlases owned by a context.
// If you manually manage font atlases, you'll need to call this yourself + ensure atlas->RendererHasTextures is set.
// 'frame_count' needs to be provided because we can gc/prioritize baked fonts based on their age.
// 'frame_count' may not match those of imgui contexts using this atlas, as contexts may be updated as different frequencies.
void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas, int frame_count)
{
IM_ASSERT(atlas->Builder == NULL || atlas->Builder->FrameCount < frame_count); // Protection against being called twice?
// Check that font atlas was built or backend support texture reload in which case we can build now
if (atlas->RendererHasTextures)
{