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[WIP] Add prototypical SDL support. #403

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[WIP] Add prototypical SDL support. #403

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Commits on Oct 20, 2021

  1. Add prototypical SDL support. 

    Build with cmake. This will create a new backend (ldesdl).
- Resolution can only be set by editing the variables in sdl.c.
- Key repeat does not work.
- Still problems with keysyms that implicitly contain modifiers.
- The entire screen is bitblted onto the SDL display every frame.

Support keyboard, and work on mouse.

Kind of working...

Fix display resolution problems.
    @ecraven
    ecraven committed Oct 20, 2021
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Commits on Nov 7, 2021

  1. Merge remote-tracking branch 'upstream/master'

    @ecraven
    ecraven committed Nov 7, 2021
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  2. Change SDL backend to accelerated renderer, support pixel scaling. 

    Edit main.c, init_SDL(1600, 1024, 1) means lisp display size 1600x1024, pixel scaling 1.

Try init_SDL(800, 512, 2) or even init_SDL(608, 1023, 3).
    @ecraven
    ecraven committed Nov 7, 2021
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  3. Only bitblt on damage. 

    Also add an alternative for key handling, which does not work any better...
    @ecraven
    ecraven committed Nov 7, 2021
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  4. Refactor, don't update texture on every bitblt.

    @ecraven
    ecraven committed Nov 7, 2021
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  5. Refactor, only bitblt once per "frame".

    @ecraven
    ecraven committed Nov 7, 2021
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  6. Remove extra directory from includes for SDL.

    @ecraven
    ecraven committed Nov 7, 2021
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  7. Add more #ifdef XWINDOW

    @ecraven
    ecraven committed Nov 7, 2021
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  8. Update CMakeLists.txt for cross-compiling.

    @ecraven
    ecraven committed Nov 7, 2021
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  9. Add command line parameters -sc WxH and -pixelscale n for SDL.

    @ecraven
    ecraven committed Nov 7, 2021
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  10. Try to get CI running again ;)

    @ecraven
    ecraven committed Nov 7, 2021
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  11. Also install SDL2 on ubuntu runners.

    @ecraven
    ecraven committed Nov 7, 2021
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  12. Also *correctly* install SDL2 on ubuntu runners.

    @ecraven
    ecraven committed Nov 7, 2021
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  13. Revert CMakeLists.txt change until better understanding.

    @ecraven
    ecraven committed Nov 7, 2021
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  14. Add support for -t / -title.

    @ecraven
    ecraven committed Nov 7, 2021
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  15. Run apt-get update before trying to install.

    @ecraven
    ecraven committed Nov 7, 2021
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  16. Try to make builds pass again.

    @ecraven
    ecraven committed Nov 7, 2021
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  17. Show cmake version before building.

    @ecraven
    ecraven committed Nov 7, 2021
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  18. Add SDL2 dependency to macos build.

    @ecraven
    ecraven committed Nov 7, 2021
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  19. Apparently there is no sdl2 cask for macos :-/

    @ecraven
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  20. Try to placate the macos build.

    @ecraven
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  21. Try SDL2::SDL2 instead of SDL2 in CMakeLists.txt.

    @ecraven
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  22. Try to unify cmake file for different versions of SDL2.

    @ecraven
    ecraven committed Nov 7, 2021
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  23. Fix Caso.

    @ecraven
    ecraven committed Nov 7, 2021
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  24. Remove SDL2 directory from include SDL2/SDL.h.

    @ecraven
    ecraven committed Nov 7, 2021
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  25. Maybe fix cmake for SDL2.

    @ecraven
    ecraven committed Nov 7, 2021
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  26. For now, some more extern functions declarations.

    @ecraven
    ecraven committed Nov 7, 2021
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  27. Add support for key repeating.

    @ecraven
    ecraven committed Nov 7, 2021
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  28. Only update texture on damage.

    @ecraven
    ecraven committed Nov 7, 2021
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  29. Add mouse wheel diagnostics.

    @ecraven
    ecraven committed Nov 7, 2021
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  30. Add support for inverting video and setting mouse position. 

    Use (IL:VIDEOCOLOR T/NIL) to change inversion.
    @ecraven
    ecraven committed Nov 7, 2021
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  31. Add support for setting the mouse cursor. Not finished! 

    Currently this just allocates a new X cursor each time, should be
amended to cache the cursor, just like X does at the moment.
    @ecraven
    ecraven committed Nov 7, 2021
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  32. Fix "error: implicit declaration of function" from dspsubrs 

    Creates an sdldefs.h, declares a few more functions in sdl.c static,
and includes sdldefs.h in dspsubrs.c when necessary.
    @nbriggs
    nbriggs committed Nov 7, 2021
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Commits on Nov 8, 2021

  1. Merge pull request Interlisp#408 from Interlisp/sdl-fix-implicit-decls 

    Add proper header for SDL-specific functions with prototypes.
    @ecraven
    ecraven committed Nov 8, 2021
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  2. Change Pixelformat to 332 (one byte) instead of 8888 (four bytes).

    @ecraven
    ecraven committed Nov 8, 2021
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  3. Cache cursors for SDL.

    @ecraven
    ecraven committed Nov 8, 2021
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