Steam Audio tryout

2025-11-21 22:37:24 +02:00
parent ab737e016c
commit b25bde77fc
279 changed files with 18620 additions and 63 deletions
--- a/Assets/Plugins/SteamAudio/Scripts/Runtime/OpenCLDevice.cs
+++ b/Assets/Plugins/SteamAudio/Scripts/Runtime/OpenCLDevice.cs
@@ -0,0 +1,94 @@
+//
+// Copyright 2017-2023 Valve Corporation.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+using System;
+using UnityEngine;
+
+namespace SteamAudio
+{
+    public class OpenCLDevice
+    {
+        IntPtr mOpenCLDevice = IntPtr.Zero;
+
+        public OpenCLDevice(Context context, OpenCLDeviceType deviceType, int numCUsToReserve, float fractionCUsForIRUpdate,
+            bool requiresTAN)
+        {
+            var deviceSettings = new OpenCLDeviceSettings { };
+            deviceSettings.type = deviceType;
+            deviceSettings.numCUsToReserve = numCUsToReserve;
+            deviceSettings.fractionCUsForIRUpdate = fractionCUsForIRUpdate;
+            deviceSettings.requiresTAN = requiresTAN ? Bool.True : Bool.False;
+
+            var deviceList = IntPtr.Zero;
+            var status = API.iplOpenCLDeviceListCreate(context.Get(), ref deviceSettings, out deviceList);
+            if (status != Error.Success)
+                throw new Exception(string.Format("Unable to enumerate OpenCL devices. [{0}]", status));
+
+            var numDevices = API.iplOpenCLDeviceListGetNumDevices(deviceList);
+            if (numDevices <= 0)
+            {
+                API.iplOpenCLDeviceListRelease(ref deviceList);
+
+                // If we explicitly requested a device that supports TAN, or if we didn't ask for CU
+                // reservation, but still didn't find any devices, stop.
+                if (requiresTAN || numCUsToReserve == 0)
+                    throw new Exception(string.Format("No OpenCL devices found."));
+
+                Debug.LogWarning("No OpenCL devices found that match the provided parameters, attempting to " +
+                    "initialize without CU reservation.");
+
+                deviceSettings.numCUsToReserve = 0;
+                deviceSettings.fractionCUsForIRUpdate = 0.0f;
+                status = API.iplOpenCLDeviceListCreate(context.Get(), ref deviceSettings, out deviceList);
+                if (status != Error.Success)
+                    throw new Exception(string.Format("Unable to enumerate OpenCL devices. [{0}]", status));
+
+                numDevices = API.iplOpenCLDeviceListGetNumDevices(deviceList);
+                if (numDevices <= 0)
+                    throw new Exception(string.Format("No OpenCL devices found."));
+            }
+
+            status = API.iplOpenCLDeviceCreate(context.Get(), deviceList, 0, out mOpenCLDevice);
+            if (status != Error.Success)
+            {
+                API.iplOpenCLDeviceListRelease(ref deviceList);
+                throw new Exception(string.Format("Unable to create OpenCL device. [{0}]", status));
+            }
+
+            API.iplOpenCLDeviceListRelease(ref deviceList);
+        }
+
+        public OpenCLDevice(OpenCLDevice device)
+        {
+            mOpenCLDevice = API.iplOpenCLDeviceRetain(device.mOpenCLDevice);
+        }
+
+        ~OpenCLDevice()
+        {
+            Release();
+        }
+
+        public void Release()
+        {
+            API.iplOpenCLDeviceRelease(ref mOpenCLDevice);
+        }
+
+        public IntPtr Get()
+        {
+            return mOpenCLDevice;
+        }
+    }
+}