mirror of
https://github.com/DarthAffe/RGB.NET.git
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215 lines
12 KiB
C#
215 lines
12 KiB
C#
// ReSharper disable UnusedMethodReturnValue.Global
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// ReSharper disable UnusedMember.Global
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using RGB.NET.Core;
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namespace RGB.NET.Devices.Corsair.Native
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{
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// ReSharper disable once InconsistentNaming
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internal static class _CUESDK
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{
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#region Libary Management
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private static IntPtr _dllHandle = IntPtr.Zero;
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/// <summary>
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/// Gets the loaded architecture (x64/x86).
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/// </summary>
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internal static string LoadedArchitecture { get; private set; }
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/// <summary>
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/// Reloads the SDK.
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/// </summary>
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internal static void Reload()
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{
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UnloadCUESDK();
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LoadCUESDK();
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}
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private static void LoadCUESDK()
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{
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if (_dllHandle != IntPtr.Zero) return;
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// HACK: Load library at runtime to support both, x86 and x64 with one managed dll
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List<string> possiblePathList = Environment.Is64BitProcess ? CorsairDeviceProvider.PossibleX64NativePaths : CorsairDeviceProvider.PossibleX86NativePaths;
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string dllPath = possiblePathList.FirstOrDefault(File.Exists);
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if (dllPath == null) throw new RGBDeviceException($"Can't find the CUE-SDK at one of the expected locations:\r\n '{string.Join("\r\n", possiblePathList.Select(Path.GetFullPath))}'");
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_dllHandle = LoadLibrary(dllPath);
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_corsairSetLedsColorsBufferByDeviceIndexPointer = (CorsairSetLedsColorsBufferByDeviceIndexPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairSetLedsColorsBufferByDeviceIndex"), typeof(CorsairSetLedsColorsBufferByDeviceIndexPointer));
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_corsairSetLedsColorsFlushBufferPointer = (CorsairSetLedsColorsFlushBufferPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairSetLedsColorsFlushBuffer"), typeof(CorsairSetLedsColorsFlushBufferPointer));
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_corsairGetLedsColorsByDeviceIndexPointer = (CorsairGetLedsColorsByDeviceIndexPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLedsColorsByDeviceIndex"), typeof(CorsairGetLedsColorsByDeviceIndexPointer));
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_corsairSetLayerPriorityPointer = (CorsairSetLayerPriorityPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairSetLayerPriority"), typeof(CorsairSetLayerPriorityPointer));
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_corsairGetDeviceCountPointer = (CorsairGetDeviceCountPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetDeviceCount"), typeof(CorsairGetDeviceCountPointer));
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_corsairGetDeviceInfoPointer = (CorsairGetDeviceInfoPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetDeviceInfo"), typeof(CorsairGetDeviceInfoPointer));
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_corsairGetLedPositionsByDeviceIndexPointer = (CorsairGetLedPositionsByDeviceIndexPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLedPositionsByDeviceIndex"), typeof(CorsairGetLedPositionsByDeviceIndexPointer));
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_corsairGetLedIdForKeyNamePointer = (CorsairGetLedIdForKeyNamePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLedIdForKeyName"), typeof(CorsairGetLedIdForKeyNamePointer));
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_corsairRequestControlPointer = (CorsairRequestControlPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairRequestControl"), typeof(CorsairRequestControlPointer));
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_corsairReleaseControlPointer = (CorsairReleaseControlPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairReleaseControl"), typeof(CorsairReleaseControlPointer));
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_corsairPerformProtocolHandshakePointer = (CorsairPerformProtocolHandshakePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairPerformProtocolHandshake"), typeof(CorsairPerformProtocolHandshakePointer));
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_corsairGetLastErrorPointer = (CorsairGetLastErrorPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLastError"), typeof(CorsairGetLastErrorPointer));
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}
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internal static void UnloadCUESDK()
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{
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if (_dllHandle == IntPtr.Zero) return;
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// ReSharper disable once EmptyEmbeddedStatement - DarthAffe 20.02.2016: We might need to reduce the internal reference counter more than once to set the library free
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while (FreeLibrary(_dllHandle)) ;
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_dllHandle = IntPtr.Zero;
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}
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[DllImport("kernel32.dll")]
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private static extern IntPtr LoadLibrary(string dllToLoad);
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[DllImport("kernel32.dll")]
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private static extern bool FreeLibrary(IntPtr dllHandle);
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[DllImport("kernel32.dll")]
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private static extern IntPtr GetProcAddress(IntPtr dllHandle, string name);
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#endregion
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#region SDK-METHODS
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#region Pointers
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private static CorsairSetLedsColorsBufferByDeviceIndexPointer _corsairSetLedsColorsBufferByDeviceIndexPointer;
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private static CorsairSetLedsColorsFlushBufferPointer _corsairSetLedsColorsFlushBufferPointer;
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private static CorsairGetLedsColorsByDeviceIndexPointer _corsairGetLedsColorsByDeviceIndexPointer;
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private static CorsairSetLayerPriorityPointer _corsairSetLayerPriorityPointer;
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private static CorsairGetDeviceCountPointer _corsairGetDeviceCountPointer;
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private static CorsairGetDeviceInfoPointer _corsairGetDeviceInfoPointer;
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private static CorsairGetLedIdForKeyNamePointer _corsairGetLedIdForKeyNamePointer;
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private static CorsairGetLedPositionsByDeviceIndexPointer _corsairGetLedPositionsByDeviceIndexPointer;
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private static CorsairRequestControlPointer _corsairRequestControlPointer;
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private static CorsairReleaseControlPointer _corsairReleaseControlPointer;
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private static CorsairPerformProtocolHandshakePointer _corsairPerformProtocolHandshakePointer;
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private static CorsairGetLastErrorPointer _corsairGetLastErrorPointer;
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#endregion
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#region Delegates
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairSetLedsColorsBufferByDeviceIndexPointer(int deviceIndex, int size, IntPtr ledsColors);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairSetLedsColorsFlushBufferPointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairGetLedsColorsByDeviceIndexPointer(int deviceIndex, int size, IntPtr ledsColors);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairSetLayerPriorityPointer(int priority);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate int CorsairGetDeviceCountPointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate IntPtr CorsairGetDeviceInfoPointer(int deviceIndex);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate IntPtr CorsairGetLedPositionsByDeviceIndexPointer(int deviceIndex);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate CorsairLedId CorsairGetLedIdForKeyNamePointer(char keyName);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairRequestControlPointer(CorsairAccessMode accessMode);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool CorsairReleaseControlPointer(CorsairAccessMode accessMode);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate _CorsairProtocolDetails CorsairPerformProtocolHandshakePointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate CorsairError CorsairGetLastErrorPointer();
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#endregion
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// ReSharper disable EventExceptionNotDocumented
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/// <summary>
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/// CUE-SDK: set specified LEDs to some colors.
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/// This function set LEDs colors in the buffer which is written to the devices via CorsairSetLedsColorsFlushBuffer or CorsairSetLedsColorsFlushBufferAsync.
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/// Typical usecase is next: CorsairSetLedsColorsFlushBuffer or CorsairSetLedsColorsFlushBufferAsync is called to write LEDs colors to the device
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/// and follows after one or more calls of CorsairSetLedsColorsBufferByDeviceIndex to set the LEDs buffer.
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/// This function does not take logical layout into account.
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/// </summary>
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internal static bool CorsairSetLedsColorsBufferByDeviceIndex(int deviceIndex, int size, IntPtr ledsColors) => _corsairSetLedsColorsBufferByDeviceIndexPointer(deviceIndex, size, ledsColors);
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/// <summary>
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/// CUE-SDK: writes to the devices LEDs colors buffer which is previously filled by the CorsairSetLedsColorsBufferByDeviceIndex function.
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/// This function executes synchronously, if you are concerned about delays consider using CorsairSetLedsColorsFlushBufferAsync
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/// </summary>
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internal static bool CorsairSetLedsColorsFlushBuffer() => _corsairSetLedsColorsFlushBufferPointer();
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/// <summary>
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/// CUE-SDK: get current color for the list of requested LEDs.
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/// The color should represent the actual state of the hardware LED, which could be a combination of SDK and/or CUE input.
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/// This function works for keyboard, mouse, mousemat, headset, headset stand and DIY-devices.
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/// </summary>
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internal static bool CorsairGetLedsColorsByDeviceIndex(int deviceIndex, int size, IntPtr ledsColors) => _corsairGetLedsColorsByDeviceIndexPointer(deviceIndex, size, ledsColors);
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/// <summary>
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/// CUE-SDK: set layer priority for this shared client.
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/// By default CUE has priority of 127 and all shared clients have priority of 128 if they don’t call this function.
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/// Layers with higher priority value are shown on top of layers with lower priority.
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/// </summary>
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internal static bool CorsairSetLayerPriority(int priority) => _corsairSetLayerPriorityPointer(priority);
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/// <summary>
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/// CUE-SDK: returns number of connected Corsair devices that support lighting control.
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/// </summary>
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internal static int CorsairGetDeviceCount() => _corsairGetDeviceCountPointer();
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/// <summary>
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/// CUE-SDK: returns information about device at provided index.
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/// </summary>
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internal static IntPtr CorsairGetDeviceInfo(int deviceIndex) => _corsairGetDeviceInfoPointer(deviceIndex);
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/// <summary>
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/// CUE-SDK: provides list of keyboard or mousepad LEDs with their physical positions.
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/// </summary>
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internal static IntPtr CorsairGetLedPositionsByDeviceIndex(int deviceIndex) => _corsairGetLedPositionsByDeviceIndexPointer(deviceIndex);
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/// <summary>
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/// CUE-SDK: retrieves led id for key name taking logical layout into account.
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/// </summary>
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internal static CorsairLedId CorsairGetLedIdForKeyName(char keyName) => _corsairGetLedIdForKeyNamePointer(keyName);
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/// <summary>
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/// CUE-SDK: requestes control using specified access mode.
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/// By default client has shared control over lighting so there is no need to call CorsairRequestControl unless client requires exclusive control.
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/// </summary>
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internal static bool CorsairRequestControl(CorsairAccessMode accessMode) => _corsairRequestControlPointer(accessMode);
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/// <summary>
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/// CUE-SDK: releases previously requested control for specified access mode.
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/// </summary>
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internal static bool CorsairReleaseControl(CorsairAccessMode accessMode) => _corsairReleaseControlPointer(accessMode);
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/// <summary>
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/// CUE-SDK: checks file and protocol version of CUE to understand which of SDK functions can be used with this version of CUE.
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/// </summary>
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internal static _CorsairProtocolDetails CorsairPerformProtocolHandshake() => _corsairPerformProtocolHandshakePointer();
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/// <summary>
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/// CUE-SDK: returns last error that occured while using any of Corsair* functions.
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/// </summary>
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internal static CorsairError CorsairGetLastError() => _corsairGetLastErrorPointer();
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// ReSharper restore EventExceptionNotDocumented
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#endregion
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}
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}
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