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[sokol_imgui] add the optional backend interface for font management #994

Merged
merged 2 commits into from
Mar 2, 2024
Merged

[sokol_imgui] add the optional backend interface for font management #994

merged 2 commits into from
Mar 2, 2024

Commits on Feb 22, 2024

  1. [sokol_imgui] add optional backend interface for font creation/destru… 

    …ction

This split the font texture  creation in a API function and add a function for the font texture destruction. Those functions are  optional function of the backends.

For instance implemented for opengl3 on the main imgui repo:

https://github.com/ocornut/imgui/blob/659fb41d0a23efbb9ea6cf74f51ecae0a51575b5/backends/imgui_impl_opengl3.h#L39C1-L42C3

Those functions are useful in two cases:
- when testing different fonts raterization config,  it is convenient to recreate the texture dynamically. The imgui's author provides an example of such application: https://gist.github.com/ocornut/b3a9ecf13502fd818799a452969649ad
- when creating non default font, this allows to remove the burdern of the boilerplate of uploading the font on GPU to the user of sokol_imgui.
    David Caruso committed Feb 22, 2024
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  2. [sokol_imgui] add optional argument to simgui_create_fonts_texture

    David Caruso committed Feb 22, 2024
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