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@ -1,27 +1,28 @@ |
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using System; |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Linq; |
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using Avalonia.OpenGL; |
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using Avalonia.OpenGL; |
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using static Avalonia.X11.Glx.GlxConsts; |
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using static Avalonia.X11.Glx.GlxConsts; |
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namespace Avalonia.X11.Glx |
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namespace Avalonia.X11.Glx |
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{ |
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{ |
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unsafe class GlxDisplay : IGlDisplay |
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unsafe class GlxDisplay |
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{ |
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{ |
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private readonly X11Info _x11; |
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private readonly X11Info _x11; |
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private readonly List<GlVersion> _probeProfiles; |
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private readonly IntPtr _fbconfig; |
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private readonly IntPtr _fbconfig; |
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private readonly XVisualInfo* _visual; |
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private readonly XVisualInfo* _visual; |
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public GlDisplayType Type => GlDisplayType.OpenGl; |
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private string[] _displayExtensions; |
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public GlInterface GlInterface { get; } |
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private GlVersion? _version; |
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public XVisualInfo* VisualInfo => _visual; |
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public XVisualInfo* VisualInfo => _visual; |
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public int SampleCount { get; } |
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public int StencilSize { get; } |
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public GlxContext DeferredContext { get; } |
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public GlxContext DeferredContext { get; } |
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public GlxInterface Glx { get; } = new GlxInterface(); |
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public GlxInterface Glx { get; } = new GlxInterface(); |
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public GlxDisplay(X11Info x11) |
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public GlxDisplay(X11Info x11, List<GlVersion> probeProfiles) |
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{ |
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{ |
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_x11 = x11; |
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_x11 = x11; |
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_probeProfiles = probeProfiles.ToList(); |
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_displayExtensions = Glx.GetExtensions(_x11.Display); |
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var baseAttribs = new[] |
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var baseAttribs = new[] |
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{ |
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{ |
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@ -37,7 +38,8 @@ namespace Avalonia.X11.Glx |
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GLX_STENCIL_SIZE, 8, |
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GLX_STENCIL_SIZE, 8, |
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}; |
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}; |
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int sampleCount = 0; |
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int stencilSize = 0; |
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foreach (var attribs in new[] |
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foreach (var attribs in new[] |
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{ |
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{ |
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//baseAttribs.Concat(multiattribs),
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//baseAttribs.Concat(multiattribs),
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@ -70,9 +72,9 @@ namespace Avalonia.X11.Glx |
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if (_visual == null) |
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if (_visual == null) |
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throw new OpenGlException("Unable to get visual info from FBConfig"); |
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throw new OpenGlException("Unable to get visual info from FBConfig"); |
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if (Glx.GetFBConfigAttrib(_x11.Display, _fbconfig, GLX_SAMPLES, out var samples) == 0) |
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if (Glx.GetFBConfigAttrib(_x11.Display, _fbconfig, GLX_SAMPLES, out var samples) == 0) |
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SampleCount = samples; |
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sampleCount = samples; |
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if (Glx.GetFBConfigAttrib(_x11.Display, _fbconfig, GLX_STENCIL_SIZE, out var stencil) == 0) |
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if (Glx.GetFBConfigAttrib(_x11.Display, _fbconfig, GLX_STENCIL_SIZE, out var stencil) == 0) |
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StencilSize = stencil; |
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stencilSize = stencil; |
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var pbuffers = Enumerable.Range(0, 2).Select(_ => Glx.CreatePbuffer(_x11.Display, _fbconfig, new[] |
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var pbuffers = Enumerable.Range(0, 2).Select(_ => Glx.CreatePbuffer(_x11.Display, _fbconfig, new[] |
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{ |
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{ |
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@ -81,13 +83,14 @@ namespace Avalonia.X11.Glx |
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XLib.XFlush(_x11.Display); |
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XLib.XFlush(_x11.Display); |
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DeferredContext = CreateContext(CreatePBuffer(), null, true); |
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DeferredContext = CreateContext(CreatePBuffer(), null, |
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sampleCount, stencilSize, true); |
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using (DeferredContext.MakeCurrent()) |
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using (DeferredContext.MakeCurrent()) |
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{ |
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{ |
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GlInterface = new GlInterface(GlxInterface.SafeGetProcAddress); |
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var glInterface = new GlInterface(GlxInterface.SafeGetProcAddress); |
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if (GlInterface.Version == null) |
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if (glInterface.Version == null) |
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throw new OpenGlException("GL version string is null, aborting"); |
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throw new OpenGlException("GL version string is null, aborting"); |
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if (GlInterface.Renderer == null) |
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if (glInterface.Renderer == null) |
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throw new OpenGlException("GL renderer string is null, aborting"); |
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throw new OpenGlException("GL renderer string is null, aborting"); |
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if (Environment.GetEnvironmentVariable("AVALONIA_GLX_IGNORE_RENDERER_BLACKLIST") != "1") |
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if (Environment.GetEnvironmentVariable("AVALONIA_GLX_IGNORE_RENDERER_BLACKLIST") != "1") |
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@ -96,9 +99,9 @@ namespace Avalonia.X11.Glx |
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?.GlxRendererBlacklist; |
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?.GlxRendererBlacklist; |
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if (blacklist != null) |
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if (blacklist != null) |
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foreach (var item in blacklist) |
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foreach (var item in blacklist) |
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if (GlInterface.Renderer.Contains(item)) |
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if (glInterface.Renderer.Contains(item)) |
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throw new OpenGlException( |
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throw new OpenGlException( |
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$"Renderer '{GlInterface.Renderer}' is blacklisted by '{item}'"); |
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$"Renderer '{glInterface.Renderer}' is blacklisted by '{item}'"); |
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} |
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} |
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} |
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} |
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@ -111,40 +114,72 @@ namespace Avalonia.X11.Glx |
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public GlxContext CreateContext() => CreateContext(DeferredContext); |
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public GlxContext CreateContext() => CreateContext(DeferredContext); |
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GlxContext CreateContext(IGlContext share) => CreateContext(CreatePBuffer(), share, true); |
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GlxContext CreateContext(IntPtr defaultXid, IGlContext share, bool ownsPBuffer) |
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GlxContext CreateContext(IGlContext share) => CreateContext(CreatePBuffer(), share, |
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share.SampleCount, share.StencilSize, true); |
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GlxContext CreateContext(IntPtr defaultXid, IGlContext share, |
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int sampleCount, int stencilSize, bool ownsPBuffer) |
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{ |
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{ |
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var sharelist = ((GlxContext)share)?.Handle ?? IntPtr.Zero; |
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var sharelist = ((GlxContext)share)?.Handle ?? IntPtr.Zero; |
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IntPtr handle = default; |
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IntPtr handle = default; |
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foreach (var ver in new[] |
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{ |
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GlxContext Create(GlVersion profile) |
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new Version(4, 0), new Version(3, 2), |
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new Version(3, 0), new Version(2, 0) |
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}) |
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{ |
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{ |
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var profileMask = GLX_CONTEXT_CORE_PROFILE_BIT_ARB; |
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if (profile.Type == GlProfileType.OpenGLES) |
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profileMask = GLX_CONTEXT_ES2_PROFILE_BIT_EXT; |
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var attrs = new[] |
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var attrs = new int[] |
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{ |
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{ |
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GLX_CONTEXT_MAJOR_VERSION_ARB, ver.Major, |
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GLX_CONTEXT_MAJOR_VERSION_ARB, profile.Major, |
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GLX_CONTEXT_MINOR_VERSION_ARB, ver.Minor, |
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GLX_CONTEXT_MINOR_VERSION_ARB, profile.Minor, |
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GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, |
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GLX_CONTEXT_PROFILE_MASK_ARB, profileMask, |
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0 |
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0 |
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}; |
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}; |
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try |
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try |
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{ |
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{ |
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handle = Glx.CreateContextAttribsARB(_x11.Display, _fbconfig, sharelist, true, attrs); |
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handle = Glx.CreateContextAttribsARB(_x11.Display, _fbconfig, sharelist, true, attrs); |
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if (handle != IntPtr.Zero) |
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if (handle != IntPtr.Zero) |
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break; |
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{ |
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_version = profile; |
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return new GlxContext(new GlxInterface(), handle, this, profile, |
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sampleCount, stencilSize, _x11, defaultXid, ownsPBuffer); |
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} |
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} |
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} |
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catch |
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catch |
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{ |
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{ |
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break; |
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return null; |
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} |
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} |
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return null; |
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} |
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GlxContext rv = null; |
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if (_version.HasValue) |
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{ |
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rv = Create(_version.Value); |
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} |
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} |
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if (handle == IntPtr.Zero) |
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foreach (var v in _probeProfiles) |
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throw new OpenGlException("Unable to create direct GLX context"); |
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{ |
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return new GlxContext(new GlxInterface(), handle, this, _x11, defaultXid, ownsPBuffer); |
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if (v.Type == GlProfileType.OpenGLES |
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&& !_displayExtensions.Contains("GLX_EXT_create_context_es2_profile")) |
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continue; |
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rv = Create(v); |
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if (rv != null) |
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{ |
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_version = v; |
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break; |
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} |
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} |
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if (rv != null) |
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return rv; |
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throw new OpenGlException("Unable to create direct GLX context"); |
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} |
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} |
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public void SwapBuffers(IntPtr xid) => Glx.SwapBuffers(_x11.Display, xid); |
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public void SwapBuffers(IntPtr xid) => Glx.SwapBuffers(_x11.Display, xid); |
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Nikita Tsukanov
7 years ago