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Graphics backend enhancements etc. (#163)

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Emill 2022-04-18 11:37:47 +02:00 • committed by GitHub
parent fe6dbd2a5b
commit ceef4a9453
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21 changed files with 872 additions and 588 deletions
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29
soh/src/code/graph.c
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@ -468,35 +468,6 @@ static void RunFrame()
{
uint64_t ticksA, ticksB;
ticksA = GetPerfCounter();
OTRSetFrameDivisor(R_UPDATE_RATE);
//OTRSetFrameDivisor(0);
//AudioMgr_ThreadEntry(&gAudioMgr);
// 528 and 544 relate to 60 fps at 32 kHz 32000/60 = 533.333..
// in an ideal world, one third of the calls should use num_samples=544 and two thirds num_samples=528
#define SAMPLES_HIGH 560
#define SAMPLES_LOW 528
// PAL values
//#define SAMPLES_HIGH 656
//#define SAMPLES_LOW 624
#define AUDIO_FRAMES_PER_UPDATE (R_UPDATE_RATE > 0 ? R_UPDATE_RATE : 1 )
#define NUM_AUDIO_CHANNELS 2
int samples_left = AudioPlayer_Buffered();
u32 num_audio_samples = samples_left < AudioPlayer_GetDesiredBuffered() ? SAMPLES_HIGH : SAMPLES_LOW;
// printf("Audio samples: %d %u\n", samples_left, num_audio_samples);
// 3 is the maximum authentic frame divisor.
s16 audio_buffer[SAMPLES_HIGH * NUM_AUDIO_CHANNELS * 3];
for (int i = 0; i < AUDIO_FRAMES_PER_UPDATE; i++) {
AudioMgr_CreateNextAudioBuffer(audio_buffer + i * (num_audio_samples * NUM_AUDIO_CHANNELS), num_audio_samples);
}
//for (uint32_t i = 0; i < 2 * num_audio_samples; i++) {
// audio_buffer[i] = Rand_Next() & 0xFF;
//}
// printf("Audio samples before submitting: %d\n", audio_api->buffered());
AudioPlayer_Play((u8*)audio_buffer, num_audio_samples * (sizeof(int16_t) * NUM_AUDIO_CHANNELS * AUDIO_FRAMES_PER_UPDATE));
PadMgr_ThreadEntry(&gPadMgr);