RenderDoc Helper for Capture Compute Shaders

RenderDoc.cs

using System;
using System.Runtime.InteropServices;

public static class RenderDoc {
    [StructLayout(LayoutKind.Sequential)]
    struct RENDERDOC_API_1_0_0 {
        public IntPtr GetAPIVersion;

        public IntPtr SetCaptureOptionU32;
        public IntPtr SetCaptureOptionF32;

        public IntPtr GetCaptureOptionU32;
        public IntPtr GetCaptureOptionF32;

        public IntPtr SetFocusToggleKeys;
        public IntPtr SetCaptureKeys;

        public IntPtr GetOverlayBits;
        public IntPtr MaskOverlayBits;

        public IntPtr Shutdown;
        public IntPtr UnloadCrashHandler;

        public IntPtr SetLogFilePathTemplate;
        public IntPtr GetLogFilePathTemplate;

        public IntPtr GetNumCaptures;
        public IntPtr GetCapture;

        public IntPtr TriggerCapture;

        public IntPtr IsRemoteAccessConnected;
        public IntPtr LaunchReplayUI;

        public IntPtr SetActiveWindow;

        public StartFrameCapture StartFrameCapture;
        public IntPtr            IsFrameCapturing;
        public EndFrameCapture   EndFrameCapture;
    }

    //typedef void (RENDERDOC_CC *pRENDERDOC_StartFrameCapture)(RENDERDOC_DevicePointer device, RENDERDOC_WindowHandle wndHandle);
    public delegate void StartFrameCapture(IntPtr device, IntPtr window);

    //typedef uint32_t (RENDERDOC_CC *pRENDERDOC_EndFrameCapture)(RENDERDOC_DevicePointer device, RENDERDOC_WindowHandle wndHandle);
    public delegate int EndFrameCapture(IntPtr device, IntPtr window);

    [DllImport("renderdoc.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.Cdecl)]
    public static extern int RENDERDOC_GetAPI(int version, out IntPtr outAPIPointers);

    private static int eRENDERDOC_API_Version_1_0_0 = 10000;

    public static void StartCapture() {
        IntPtr              pAPI = new IntPtr();
        int                 ret  = RENDERDOC_GetAPI(eRENDERDOC_API_Version_1_0_0, out pAPI);
        RENDERDOC_API_1_0_0 api  = (RENDERDOC_API_1_0_0) Marshal.PtrToStructure(pAPI, typeof(RENDERDOC_API_1_0_0));
        api.StartFrameCapture(new IntPtr(), new IntPtr());
    }

    public static void EndCapture() {
        IntPtr              pAPI = new IntPtr();
        int                 ret  = RENDERDOC_GetAPI(eRENDERDOC_API_Version_1_0_0, out pAPI);
        RENDERDOC_API_1_0_0 api  = (RENDERDOC_API_1_0_0) Marshal.PtrToStructure(pAPI, typeof(RENDERDOC_API_1_0_0));
        api.EndFrameCapture(new IntPtr(), new IntPtr());
    }
}