8b00954ec7
This commit: * Adds a new subproject, audio_core. * Defines structures that exist in DSP shared memory. * Hooks up various other parts of the emulator into audio core. This sets the foundation for a later HLE DSP implementation.
43 lines
930 B
C++
43 lines
930 B
C++
// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "audio_core/hle/dsp.h"
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#include "audio_core/hle/pipe.h"
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namespace DSP {
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namespace HLE {
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SharedMemory g_region0;
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SharedMemory g_region1;
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void Init() {
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DSP::HLE::ResetPipes();
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}
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void Shutdown() {
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}
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bool Tick() {
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return true;
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}
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SharedMemory& CurrentRegion() {
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// The region with the higher frame counter is chosen unless there is wraparound.
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if (g_region0.frame_counter == 0xFFFFu && g_region1.frame_counter != 0xFFFEu) {
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// Wraparound has occured.
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return g_region1;
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}
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if (g_region1.frame_counter == 0xFFFFu && g_region0.frame_counter != 0xFFFEu) {
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// Wraparound has occured.
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return g_region0;
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}
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return (g_region0.frame_counter > g_region1.frame_counter) ? g_region0 : g_region1;
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}
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} // namespace HLE
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} // namespace DSP
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