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prepare for possible major optimization

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by just forwarding an output buffer to the dispatch and begin/length,
the number of calls may be reduced which improves performance.
This commit is contained in:
tildearrow 2021-12-06 05:21:42 -05:00
parent 055b4f9c26
commit 6efcfc2e8a
19 changed files with 178 additions and 132 deletions
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10
src/engine/platform/sms.cpp
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@ -2,11 +2,15 @@
#include "../engine.h"
#include <math.h>
void DivPlatformSMS::acquire(int& l, int& r) {
void DivPlatformSMS::acquire(short** buf, size_t start, size_t len) {
sn->sound_stream_update(buf[0]+start,len);
memcpy(buf[1]+start,buf[0]+start,sizeof(short)*len);
}
int DivPlatformSMS::acquireOne() {
short v;
sn->sound_stream_update(&v,1);
l=v;
r=v;
return v;
}
void DivPlatformSMS::tick() {