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Change the stack rewind in the end of render to be slightly less fragile, anticipating putting more stuff in the stack.

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Specifically, we will soon put the su_sample_offsets and su_delay_times table addresses to stack in the render_samples, to avoid hard coding them in the api call.
This commit is contained in:
Veikko Sariola 2020-11-02 22:52:48 +02:00
parent b94bb79366
commit c7c752cd73
1 changed files with 5 additions and 3 deletions
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8
include/sointu/footer.inc
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@ -379,11 +379,13 @@ su_render_sampleloop: ; loop through every sample in the row
inc eax
cmp eax, TOTAL_ROWS
jl su_render_rowloop
%ifdef INCLUDE_MULTIVOICE_TRACKS
; rewind the stack. Use add when there's a lot to clean, repeated pops if only a little
%if su_stack.render_epilogue - su_stack.tick > 3*PTRSIZE
add _SP, su_stack.render_epilogue - su_stack.tick ; rewind the remaining tack
%else
pop _AX
pop _AX
%rep (su_stack.render_epilogue - su_stack.tick)/PTRSIZE
pop _AX ; the entropy of 3 x pop _AX is probably lower than 3 byte add
%endrep ; but this needs to be confirmed
%endif
render_epilogue