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Add an ability to update font atlas texture #3761

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Add an ability to update font atlas texture #3761

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Commits on Oct 4, 2024

  1. Atlas: Added font atlas API to request reloads.

    @ShironekoBen @ocornut
    ShironekoBen authored and ocornut committed Oct 4, 2024
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  2. Atlas: Implement font atlas reload in backends

    @thedmd @ocornut
    thedmd authored and ocornut committed Oct 4, 2024
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  3. Abstract out ImTextureID/FontAtlas with ImTexture. 

    Abstracting ImTextureID/FontAtlas remove complexity in preparation
to move code around.

Later can be reduced to back to explicit ImTextureID/FontAtlas pair
if needed.
    @thedmd @ocornut
    thedmd authored and ocornut committed Oct 4, 2024
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  4. Move font atlas data to ImTextureData. 

    ImTextureData is intended to represent atlas pages. It make
easy to move texture data around.
    @thedmd @ocornut
    thedmd authored and ocornut committed Oct 4, 2024
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  5. WIP. Crude dynamic font texture update + demo.

    @thedmd @ocornut
    thedmd authored and ocornut committed Oct 4, 2024
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  6. WIP. Returning owned ImTextureUpdateData* + reduce per-frame allocati… 

    …ons. Comments. Demo tweaks.
    @ocornut
    ocornut committed Oct 4, 2024
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  7. WIP. No need for renderer backend to request an atlas build. Allow us… 

    …er to not call backend's _UpdateTextures()
    @ocornut
    ocornut committed Oct 4, 2024
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  8. WIP. DX9: some renaming, folding ImGui_ImplDX9_DeleteTextures() into … 

    …ImGui_ImplDX9_UpdateTextures()
    @ocornut
    ocornut committed Oct 4, 2024
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  9. WIP. DX9: Prevent use textures released in ImGui_ImplDX9_InvalidateDe… 

    …viceObjects
    @thedmd @ocornut
    thedmd authored and ocornut committed Oct 4, 2024
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  10. Comments

    @ocornut
    ocornut committed Oct 4, 2024
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