diff --git a/src/Avalonia.OpenGL/Angle/AngleEglInterface.cs b/src/Avalonia.OpenGL/Angle/AngleEglInterface.cs new file mode 100644 index 0000000000..375b93c27c --- /dev/null +++ b/src/Avalonia.OpenGL/Angle/AngleEglInterface.cs @@ -0,0 +1,31 @@ +using System; +using System.Runtime.InteropServices; +using Avalonia.Platform; +using Avalonia.Platform.Interop; + +namespace Avalonia.OpenGL.Angle +{ + public class AngleEglInterface : EglInterface + { + [DllImport("libegl.dll", CharSet = CharSet.Ansi)] + static extern IntPtr eglGetProcAddress(string proc); + + public AngleEglInterface() : base(LoadAngle()) + { + + } + + static Func LoadAngle() + { + if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) + throw new PlatformNotSupportedException(); + { + var disp = eglGetProcAddress("eglGetPlatformDisplayEXT"); + if (disp == IntPtr.Zero) + throw new OpenGlException("libegl.dll doesn't have eglGetPlatformDisplayEXT entry point"); + return eglGetProcAddress; + } + } + + } +} diff --git a/src/Avalonia.OpenGL/Angle/AngleWin32EglDisplay.cs b/src/Avalonia.OpenGL/Angle/AngleWin32EglDisplay.cs new file mode 100644 index 0000000000..530411bfea --- /dev/null +++ b/src/Avalonia.OpenGL/Angle/AngleWin32EglDisplay.cs @@ -0,0 +1,88 @@ +using System; +using System.Collections.Generic; +using System.Runtime.InteropServices; + +using static Avalonia.OpenGL.EglConsts; + +namespace Avalonia.OpenGL.Angle +{ + public class AngleWin32EglDisplay : EglDisplay + { + struct AngleInfo + { + public IntPtr Display { get; set; } + public AngleOptions.PlatformApi PlatformApi { get; set; } + } + + static AngleInfo CreateAngleDisplay(EglInterface _egl) + { + if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) + throw new PlatformNotSupportedException(); + var display = IntPtr.Zero; + AngleOptions.PlatformApi angleApi = default; + { + if (_egl.GetPlatformDisplayEXT == null) + throw new OpenGlException("eglGetPlatformDisplayEXT is not supported by libegl.dll"); + + var allowedApis = AvaloniaLocator.Current.GetService()?.AllowedPlatformApis + ?? new List {AngleOptions.PlatformApi.DirectX9}; + + foreach (var platformApi in allowedApis) + { + int dapi; + if (platformApi == AngleOptions.PlatformApi.DirectX9) + dapi = EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE; + else if (platformApi == AngleOptions.PlatformApi.DirectX11) + dapi = EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE; + else + continue; + + display = _egl.GetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, IntPtr.Zero, + new[] { EGL_PLATFORM_ANGLE_TYPE_ANGLE, dapi, EGL_NONE }); + if (display != IntPtr.Zero) + { + angleApi = platformApi; + break; + } + } + + if (display == IntPtr.Zero) + throw new OpenGlException("Unable to create ANGLE display"); + return new AngleInfo { Display = display, PlatformApi = angleApi }; + } + } + + private AngleWin32EglDisplay(EglInterface egl, AngleInfo info) : base(egl, info.Display) + { + PlatformApi = info.PlatformApi; + } + + public AngleWin32EglDisplay(EglInterface egl) : this(egl, CreateAngleDisplay(egl)) + { + + } + + public AngleWin32EglDisplay() : this(new AngleEglInterface()) + { + + } + + public AngleOptions.PlatformApi PlatformApi { get; } + + public IntPtr GetDirect3DDevice() + { + if (!EglInterface.QueryDisplayAttribExt(Handle, EglConsts.EGL_DEVICE_EXT, out var eglDevice)) + throw new OpenGlException("Unable to get EGL_DEVICE_EXT"); + if (!EglInterface.QueryDeviceAttribExt(eglDevice, PlatformApi == AngleOptions.PlatformApi.DirectX9 ? EGL_D3D9_DEVICE_ANGLE : EGL_D3D11_DEVICE_ANGLE, out var d3dDeviceHandle)) + throw new OpenGlException("Unable to get EGL_D3D9_DEVICE_ANGLE"); + return d3dDeviceHandle; + } + + public EglSurface WrapDirect3D11Texture(IntPtr handle) + { + if (PlatformApi != AngleOptions.PlatformApi.DirectX11) + throw new InvalidOperationException("Current platform API is " + PlatformApi); + return CreatePBufferFromClientBuffer(EGL_D3D_TEXTURE_ANGLE, handle, new[] { EGL_NONE, EGL_NONE }); + } + } +} diff --git a/src/Avalonia.OpenGL/EglConsts.cs b/src/Avalonia.OpenGL/EglConsts.cs index 62fb3faef6..d09537eb86 100644 --- a/src/Avalonia.OpenGL/EglConsts.cs +++ b/src/Avalonia.OpenGL/EglConsts.cs @@ -192,5 +192,15 @@ namespace Avalonia.OpenGL public const int EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE = 0x320F; public const int EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE = 0x320B; public const int EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_REFERENCE_ANGLE = 0x320C; + + //EXT_device_query + public const int EGL_DEVICE_EXT = 0x322C; + + //ANGLE_device_d3d + public const int EGL_D3D9_DEVICE_ANGLE = 0x33A0; + public const int EGL_D3D11_DEVICE_ANGLE = 0x33A1; + + public const int EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE = 0x3200; + public const int EGL_D3D_TEXTURE_ANGLE = 0x33A3; } } diff --git a/src/Avalonia.OpenGL/EglDisplay.cs b/src/Avalonia.OpenGL/EglDisplay.cs index 0436f6ac52..7b194e4346 100644 --- a/src/Avalonia.OpenGL/EglDisplay.cs +++ b/src/Avalonia.OpenGL/EglDisplay.cs @@ -15,7 +15,6 @@ namespace Avalonia.OpenGL private readonly int _surfaceType; public IntPtr Handle => _display; - private AngleOptions.PlatformApi? _angleApi; private int _sampleCount; private int _stencilSize; private GlVersion _version; @@ -24,56 +23,41 @@ namespace Avalonia.OpenGL { } - public EglDisplay(EglInterface egl, int platformType, IntPtr platformDisplay, int[] attrs) - { - _egl = egl; + static IntPtr CreateDisplay(EglInterface egl, int platformType, IntPtr platformDisplay, int[] attrs) + { + var display = IntPtr.Zero; if (platformType == -1 && platformDisplay == IntPtr.Zero) { - if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) - { - if (_egl.GetPlatformDisplayEXT == null) - throw new OpenGlException("eglGetPlatformDisplayEXT is not supported by libegl.dll"); - - var allowedApis = AvaloniaLocator.Current.GetService()?.AllowedPlatformApis - ?? new List {AngleOptions.PlatformApi.DirectX9}; - - foreach (var platformApi in allowedApis) - { - int dapi; - if (platformApi == AngleOptions.PlatformApi.DirectX9) - dapi = EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE; - else if (platformApi == AngleOptions.PlatformApi.DirectX11) - dapi = EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE; - else - continue; - - _display = _egl.GetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, IntPtr.Zero, - new[] {EGL_PLATFORM_ANGLE_TYPE_ANGLE, dapi, EGL_NONE}); - if (_display != IntPtr.Zero) - { - _angleApi = platformApi; - break; - } - } - - if (_display == IntPtr.Zero) - throw new OpenGlException("Unable to create ANGLE display"); - } - - if (_display == IntPtr.Zero) - _display = _egl.GetDisplay(IntPtr.Zero); + if (display == IntPtr.Zero) + display = egl.GetDisplay(IntPtr.Zero); } else { - if (_egl.GetPlatformDisplayEXT == null) + if (egl.GetPlatformDisplayEXT == null) throw new OpenGlException("eglGetPlatformDisplayEXT is not supported by libegl"); - _display = _egl.GetPlatformDisplayEXT(platformType, platformDisplay, attrs); + display = egl.GetPlatformDisplayEXT(platformType, platformDisplay, attrs); } + + if (display == IntPtr.Zero) + throw OpenGlException.GetFormattedException("eglGetDisplay", egl); + return display; + } - if (_display == IntPtr.Zero) - throw OpenGlException.GetFormattedException("eglGetDisplay", _egl); + public EglDisplay(EglInterface egl, int platformType, IntPtr platformDisplay, int[] attrs) + : this(egl, CreateDisplay(egl, platformType, platformDisplay, attrs)) + { + + } + public EglDisplay(EglInterface egl, IntPtr display) + { + _egl = egl; + _display = display; + if(_display == IntPtr.Zero) + throw new ArgumentException(); + + if (!_egl.Initialize(_display, out var major, out var minor)) throw OpenGlException.GetFormattedException("eglInitialize", _egl); @@ -172,5 +156,15 @@ namespace Avalonia.OpenGL throw OpenGlException.GetFormattedException("eglCreateWindowSurface", _egl); return new EglSurface(this, _egl, s); } + + public EglSurface CreatePBufferFromClientBuffer (int bufferType, IntPtr handle, int[] attribs) + { + var s = _egl.CreatePbufferFromClientBuffer(_display, bufferType, handle, + _config, attribs); + + if (s == IntPtr.Zero) + throw OpenGlException.GetFormattedException("eglCreatePbufferFromClientBuffer", _egl); + return new EglSurface(this, _egl, s); + } } } diff --git a/src/Avalonia.OpenGL/EglGlPlatformFeature.cs b/src/Avalonia.OpenGL/EglGlPlatformFeature.cs index f59c6b7751..7e9383432c 100644 --- a/src/Avalonia.OpenGL/EglGlPlatformFeature.cs +++ b/src/Avalonia.OpenGL/EglGlPlatformFeature.cs @@ -20,12 +20,13 @@ namespace Avalonia.OpenGL if (feature != null) AvaloniaLocator.CurrentMutable.Bind().ToConstant(feature); } - - public static EglGlPlatformFeature TryCreate() + + public static EglGlPlatformFeature TryCreate() => TryCreate(() => new EglDisplay()); + public static EglGlPlatformFeature TryCreate(Func displayFactory) { try { - var disp = new EglDisplay(); + var disp = displayFactory(); return new EglGlPlatformFeature { _display = disp, diff --git a/src/Avalonia.OpenGL/EglInterface.cs b/src/Avalonia.OpenGL/EglInterface.cs index c0665a1ea1..666c0d8351 100644 --- a/src/Avalonia.OpenGL/EglInterface.cs +++ b/src/Avalonia.OpenGL/EglInterface.cs @@ -17,25 +17,21 @@ namespace Avalonia.OpenGL } + public EglInterface(Func getProcAddress) : base(getProcAddress) + { + + } + public EglInterface(string library) : base(Load(library)) { } - [DllImport("libegl.dll", CharSet = CharSet.Ansi)] - static extern IntPtr eglGetProcAddress(string proc); static Func Load() { var os = AvaloniaLocator.Current.GetService().GetRuntimeInfo().OperatingSystem; if(os == OperatingSystemType.Linux || os == OperatingSystemType.Android) return Load("libEGL.so.1"); - if (os == OperatingSystemType.WinNT) - { - var disp = eglGetProcAddress("eglGetPlatformDisplayEXT"); - if (disp == IntPtr.Zero) - throw new OpenGlException("libegl.dll doesn't have eglGetPlatformDisplayEXT entry point"); - return eglGetProcAddress; - } throw new PlatformNotSupportedException(); } @@ -147,6 +143,21 @@ namespace Avalonia.OpenGL return null; return Marshal.PtrToStringAnsi(rv); } + + public delegate IntPtr EglCreatePbufferFromClientBuffer(IntPtr display, int buftype, IntPtr buffer, IntPtr config, int[] attrib_list); + [GlEntryPoint("eglCreatePbufferFromClientBuffer")] + + public EglCreatePbufferFromClientBuffer CreatePbufferFromClientBuffer { get; } + + public delegate bool EglQueryDisplayAttribEXT(IntPtr display, int attr, out IntPtr res); + + [GlEntryPoint("eglQueryDisplayAttribEXT"), GlOptionalEntryPoint] + public EglQueryDisplayAttribEXT QueryDisplayAttribExt { get; } + + public delegate bool EglQueryDeviceAttribEXT(IntPtr display, int attr, out IntPtr res); + + [GlEntryPoint("eglQueryDeviceAttribEXT"), GlOptionalEntryPoint] + public EglQueryDisplayAttribEXT QueryDeviceAttribExt { get; } // ReSharper restore UnassignedGetOnlyAutoProperty } diff --git a/src/Windows/Avalonia.Win32/Win32GlManager.cs b/src/Windows/Avalonia.Win32/Win32GlManager.cs index 585e68056b..bd188ad53a 100644 --- a/src/Windows/Avalonia.Win32/Win32GlManager.cs +++ b/src/Windows/Avalonia.Win32/Win32GlManager.cs @@ -1,4 +1,5 @@ using Avalonia.OpenGL; +using Avalonia.OpenGL.Angle; namespace Avalonia.Win32 { @@ -15,7 +16,7 @@ namespace Avalonia.Win32 { if (!s_attemptedToInitialize) { - EglFeature = EglGlPlatformFeature.TryCreate(); + EglFeature = EglGlPlatformFeature.TryCreate(() => new AngleWin32EglDisplay()); s_attemptedToInitialize = true; }