citra/src/audio_core/hle/dsp.cpp

43 lines
930 B
C++
Raw Normal View History

// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "audio_core/hle/dsp.h"
#include "audio_core/hle/pipe.h"
namespace DSP {
namespace HLE {
SharedMemory g_region0;
SharedMemory g_region1;
void Init() {
DSP::HLE::ResetPipes();
}
void Shutdown() {
}
bool Tick() {
return true;
}
SharedMemory& CurrentRegion() {
// The region with the higher frame counter is chosen unless there is wraparound.
if (g_region0.frame_counter == 0xFFFFu && g_region1.frame_counter != 0xFFFEu) {
// Wraparound has occured.
return g_region1;
}
if (g_region1.frame_counter == 0xFFFFu && g_region0.frame_counter != 0xFFFEu) {
// Wraparound has occured.
return g_region0;
}
return (g_region0.frame_counter > g_region1.frame_counter) ? g_region0 : g_region1;
}
} // namespace HLE
} // namespace DSP