1 files changed, 55 insertions, 14 deletions

diff --git a/src/audio_core/hle/dsp.cpp b/src/audio_core/hle/dsp.cpp
index c89356edc..0cdbdb06a 100644
--- a/src/audio_core/hle/dsp.cpp
+++ b/src/audio_core/hle/dsp.cpp
@@ -2,40 +2,81 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <array>
+#include <memory>
+
 #include "audio_core/hle/dsp.h"
 #include "audio_core/hle/pipe.h"
+#include "audio_core/hle/source.h"
+#include "audio_core/sink.h"
 
 namespace DSP {
 namespace HLE {
 
-SharedMemory g_region0;
-SharedMemory g_region1;
+std::array<SharedMemory, 2> g_regions;
+
+static size_t CurrentRegionIndex() {
+    // The region with the higher frame counter is chosen unless there is wraparound.
+    // This function only returns a 0 or 1.
+
+    if (g_regions[0].frame_counter == 0xFFFFu && g_regions[1].frame_counter != 0xFFFEu) {
+        // Wraparound has occured.
+        return 1;
+    }
+
+    if (g_regions[1].frame_counter == 0xFFFFu && g_regions[0].frame_counter != 0xFFFEu) {
+        // Wraparound has occured.
+        return 0;
+    }
+
+    return (g_regions[0].frame_counter > g_regions[1].frame_counter) ? 0 : 1;
+}
+
+static SharedMemory& ReadRegion() {
+    return g_regions[CurrentRegionIndex()];
+}
+
+static SharedMemory& WriteRegion() {
+    return g_regions[1 - CurrentRegionIndex()];
+}
+
+static std::array<Source, num_sources> sources = {
+    Source(0), Source(1), Source(2), Source(3), Source(4), Source(5),
+    Source(6), Source(7), Source(8), Source(9), Source(10), Source(11),
+    Source(12), Source(13), Source(14), Source(15), Source(16), Source(17),
+    Source(18), Source(19), Source(20), Source(21), Source(22), Source(23)
+};
+
+static std::unique_ptr<AudioCore::Sink> sink;
 
 void Init() {
     DSP::HLE::ResetPipes();
+    for (auto& source : sources) {
+        source.Reset();
+    }
 }
 
 void Shutdown() {
 }
 
 bool Tick() {
-    return true;
-}
+    SharedMemory& read = ReadRegion();
+    SharedMemory& write = WriteRegion();
 
-SharedMemory& CurrentRegion() {
-    // The region with the higher frame counter is chosen unless there is wraparound.
+    std::array<QuadFrame32, 3> intermediate_mixes = {};
 
-    if (g_region0.frame_counter == 0xFFFFu && g_region1.frame_counter != 0xFFFEu) {
-        // Wraparound has occured.
-        return g_region1;
+    for (size_t i = 0; i < num_sources; i++) {
+        write.source_statuses.status[i] = sources[i].Tick(read.source_configurations.config[i], read.adpcm_coefficients.coeff[i]);
+        for (size_t mix = 0; mix < 3; mix++) {
+            sources[i].MixInto(intermediate_mixes[mix], mix);
+        }
     }
 
-    if (g_region1.frame_counter == 0xFFFFu && g_region0.frame_counter != 0xFFFEu) {
-        // Wraparound has occured.
-        return g_region0;
-    }
+    return true;
+}
 
-    return (g_region0.frame_counter > g_region1.frame_counter) ? g_region0 : g_region1;
+void SetSink(std::unique_ptr<AudioCore::Sink> sink_) {
+    sink = std::move(sink_);
 }
 
 } // namespace HLE