1 files changed, 93 insertions, 0 deletions
diff --git a/src/audio_core/renderer/effect/delay.cpp b/src/audio_core/renderer/effect/delay.cpp
new file mode 100644
index 000000000..d9853efd9
--- /dev/null
+++ b/src/audio_core/renderer/effect/delay.cpp
@@ -0,0 +1,93 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "audio_core/renderer/effect/delay.h"
+
+namespace AudioCore::AudioRenderer {
+
+void DelayInfo::Update(BehaviorInfo::ErrorInfo& error_info, const InParameterVersion1& in_params,
+                       const PoolMapper& pool_mapper) {
+    auto in_specific{reinterpret_cast<const ParameterVersion1*>(in_params.specific.data())};
+    auto params{reinterpret_cast<ParameterVersion1*>(parameter.data())};
+
+    if (IsChannelCountValid(in_specific->channel_count_max)) {
+        const auto old_state{params->state};
+        std::memcpy(params, in_specific, sizeof(ParameterVersion1));
+        mix_id = in_params.mix_id;
+        process_order = in_params.process_order;
+        enabled = in_params.enabled;
+
+        if (!IsChannelCountValid(in_specific->channel_count)) {
+            params->channel_count = params->channel_count_max;
+        }
+
+        if (!IsChannelCountValid(in_specific->channel_count) ||
+            old_state != ParameterState::Updated) {
+            params->state = old_state;
+        }
+
+        if (buffer_unmapped || in_params.is_new) {
+            usage_state = UsageState::New;
+            params->state = ParameterState::Initialized;
+            buffer_unmapped = !pool_mapper.TryAttachBuffer(
+                error_info, workbuffers[0], in_params.workbuffer, in_params.workbuffer_size);
+            return;
+        }
+    }
+    error_info.error_code = ResultSuccess;
+    error_info.address = CpuAddr(0);
+}
+
+void DelayInfo::Update(BehaviorInfo::ErrorInfo& error_info, const InParameterVersion2& in_params,
+                       const PoolMapper& pool_mapper) {
+    auto in_specific{reinterpret_cast<const ParameterVersion1*>(in_params.specific.data())};
+    auto params{reinterpret_cast<ParameterVersion1*>(parameter.data())};
+
+    if (IsChannelCountValid(in_specific->channel_count_max)) {
+        const auto old_state{params->state};
+        std::memcpy(params, in_specific, sizeof(ParameterVersion1));
+        mix_id = in_params.mix_id;
+        process_order = in_params.process_order;
+        enabled = in_params.enabled;
+
+        if (!IsChannelCountValid(in_specific->channel_count)) {
+            params->channel_count = params->channel_count_max;
+        }
+
+        if (!IsChannelCountValid(in_specific->channel_count) ||
+            old_state != ParameterState::Updated) {
+            params->state = old_state;
+        }
+
+        if (buffer_unmapped || in_params.is_new) {
+            usage_state = UsageState::New;
+            params->state = ParameterState::Initialized;
+            buffer_unmapped = !pool_mapper.TryAttachBuffer(
+                error_info, workbuffers[0], in_params.workbuffer, in_params.workbuffer_size);
+            return;
+        }
+    }
+    error_info.error_code = ResultSuccess;
+    error_info.address = CpuAddr(0);
+}
+
+void DelayInfo::UpdateForCommandGeneration() {
+    if (enabled) {
+        usage_state = UsageState::Enabled;
+    } else {
+        usage_state = UsageState::Disabled;
+    }
+
+    auto params{reinterpret_cast<ParameterVersion1*>(parameter.data())};
+    params->state = ParameterState::Updated;
+}
+
+void DelayInfo::InitializeResultState(EffectResultState& result_state) {}
+
+void DelayInfo::UpdateResultState(EffectResultState& cpu_state, EffectResultState& dsp_state) {}
+
+CpuAddr DelayInfo::GetWorkbuffer(s32 index) {
+    return GetSingleBuffer(index);
+}
+
+} // namespace AudioCore::AudioRenderer