clang auto format followed

I think... just moved the code to VS to see if it auto formatted

src/audio_core/audio_renderer.cpp

@@ -1,7 +1,8 @@
-// Copyright 2018 yuzu Emulator Project
+// Copyright 2020 yuzu Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <future>
 #include <limits>
 #include <vector>
 
@@ -68,6 +69,11 @@ namespace {
 } // namespace
 
 namespace AudioCore {
+
+std::vector<std::future<void>> queueMixedThreadFence;
+std::future<void> keepThreadReady1;
+std::future<void> keepThreadReady2;
+
 AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory::Memory& memory_,
                              AudioCommon::AudioRendererParameter params,
                              Stream::ReleaseCallback&& release_callback,
@@ -195,7 +201,9 @@ ResultCode AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_param
         return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
     }
 
-    ReleaseAndQueueBuffers();
+    keepThreadReady1 = std::async(std::launch::async, [&] { ReleaseAndQueueBuffers(); });
+
+    keepThreadReady1.get();
 
     return RESULT_SUCCESS;
 }
@@ -209,15 +217,19 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
     if (!splitter_context.UsingSplitter()) {
         mix_context.SortInfo();
     }
-    // Sort our voices
-    voice_context.SortInfo();
 
-    // Handle samples
-    command_generator.GenerateVoiceCommands();
-    command_generator.GenerateSubMixCommands();
-    command_generator.GenerateFinalMixCommands();
+    queueMixedThreadFence.push_back(std::async(std::launch::async, [&] {
+        // Sort our voices
+        voice_context.SortInfo();
+
+        // Handle samples
+        command_generator.GenerateVoiceCommands();
+        command_generator.GenerateSubMixCommands();
+        command_generator.GenerateFinalMixCommands();
+
+        command_generator.PostCommand();
+    }));
 
-    command_generator.PostCommand();
     // Base sample size
     std::size_t BUFFER_SIZE{worker_params.sample_count};
     // Samples
@@ -236,6 +248,7 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
             mix_buffers[i] =
                 command_generator.GetMixBuffer(in_params.buffer_offset + buffer_offsets[i]);
         }
+        queueMixedThreadFence[queueMixedThreadFence.size() - 1].get();
 
         for (std::size_t i = 0; i < BUFFER_SIZE; i++) {
             if (channel_count == 1) {
@@ -313,11 +326,16 @@ void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
     elapsed_frame_count++;
     voice_context.UpdateStateByDspShared();
 }
-
 void AudioRenderer::ReleaseAndQueueBuffers() {
+
     const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream)};
+
+    queueMixedThreadFence.resize(0); // instead of passing a s16 to the queue mixed buffer to
+                                     // control, pushing values to a vector seemed about as fast
+
     for (const auto& tag : released_buffers) {
-        QueueMixedBuffer(tag);
+        keepThreadReady2 = std::async(std::launch::async, [&] { QueueMixedBuffer(tag); });
+        keepThreadReady2.get();
     }
 }