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Merge branch 'nvidiafix' into develop

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This commit is contained in:
thefiddler 2014-05-12 17:00:42 +02:00
commit c2bd8624b5
2 changed files with 118 additions and 60 deletions
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111
Source/OpenTK/Platform/X11/Bindings/Glx.cs
View file

@ -134,6 +134,8 @@ namespace OpenTK.Platform.X11
LEVEL = 3,
CONFIG_CAVEAT = 0x20,
RENDER_TYPE_SGIX = 0x8011,
SWAP_INTERVAL_EXT = 0x20F1,
MAX_SWAP_INTERVAL_EXT = 0x20F2,
}
enum GLXHyperpipeAttrib : int
@ -259,32 +261,69 @@ namespace OpenTK.Platform.X11
/// <summary>
/// Provides access to GLX functions.
/// </summary>
class Glx
class Glx : Graphics.GraphicsBindingsBase
{
const string Library = "libGL.so.1";
static readonly object sync_root = new object();
static string[] EntryPointNames = new string[]
static readonly byte[] EntryPointNames = new byte[]
{
"glXCreateContextAttribs",
"glXSwapIntervalEXT",
"glXGetSwapIntervalEXT",
"glXSwapIntervalMESA",
"glXGetSwapIntervalMESA",
"glXSwapIntervalOML",
"glXGetSwapIntervalOML",
"glXSwapIntervalSGI",
"glXGetSwapIntervalSGI",
// glXCreateContextAttribsARB
0x67, 0x6c, 0x58, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x41, 0x74, 0x74, 0x72, 0x69, 0x62, 0x73, 0x41, 0x52, 0x42, 0,
// glXSwapIntervalEXT
0x67, 0x6c, 0x58, 0x53, 0x77, 0x61, 0x70, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x45, 0x58, 0x54, 0,
// glXSwapIntervalMESA
0x67, 0x6c, 0x58, 0x53, 0x77, 0x61, 0x70, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x4d, 0x45, 0x53, 0x41, 0,
// glXGetSwapIntervalMESA
0x67, 0x6c, 0x58, 0x47, 0x65, 0x74, 0x53, 0x77, 0x61, 0x70, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x4d, 0x45, 0x53, 0x41, 0,
// glXSwapIntervalSGI
0x67, 0x6c, 0x58, 0x53, 0x77, 0x61, 0x70, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x53, 0x47, 0x49, 0,
};
static IntPtr[] EntryPoints = new IntPtr[EntryPointNames.Length];
static readonly int[] EntryPointOffsets = new int[5];
static IntPtr[] EntryPoints = new IntPtr[5];
static Glx()
internal Glx()
{
// GLX entry points are not bound to a context.
// This means we can load them without creating
// a context first! (unlike WGL)
for (int i = 0; i < EntryPointNames.Length; i++)
_EntryPointsInstance = EntryPoints;
_EntryPointNamesInstance = EntryPointNames;
_EntryPointNameOffsetsInstance = EntryPointOffsets;
// Writing the entry point name offsets
// by hand is error prone. Do it in code
// instead:
int offset = 0;
for (int i = 0, j = 0; i < EntryPointNames.Length; i++)
{
EntryPoints[i] = Arb.GetProcAddress(EntryPointNames[i]);
if (EntryPointNames[i] == 0)
{
EntryPointOffsets[j++] = offset;
offset = i + 1;
}
}
}
protected override object SyncRoot { get { return sync_root; } }
protected override IntPtr GetAddress(string funcname)
{
return Arb.GetProcAddress(funcname);
}
internal override void LoadEntryPoints()
{
unsafe
{
fixed (byte* name = _EntryPointNamesInstance)
{
for (int i = 0; i < _EntryPointsInstance.Length; i++)
{
_EntryPointsInstance[i] = Arb.GetProcAddress(
new IntPtr(name + _EntryPointNameOffsetsInstance[i]));
}
}
}
}
@ -302,6 +341,9 @@ namespace OpenTK.Platform.X11
[DllImport(Library, EntryPoint = "glXIsDirect")]
public static extern bool IsDirect(IntPtr dpy, IntPtr context);
[DllImport(Library, EntryPoint = "glXQueryDrawable")]
public static extern ErrorCode QueryDrawable(IntPtr dpy, IntPtr drawable, GLXAttribute attribute, out int value);
[DllImport(Library, EntryPoint = "glXQueryExtension")]
public static extern bool QueryExtension(IntPtr dpy, ref int errorBase, ref int eventBase);
@ -409,19 +451,16 @@ namespace OpenTK.Platform.X11
[DllImport(Library, EntryPoint = "glXGetProcAddressARB")]
public static extern IntPtr GetProcAddress([MarshalAs(UnmanagedType.LPTStr)] string procName);
[DllImport(Library, EntryPoint = "glXGetProcAddressARB")]
public static extern IntPtr GetProcAddress(IntPtr procName);
#endregion
}
public partial class Ext
{
[AutoGenerated(EntryPoint = "glXSwapIntervalEXT")]
public static ErrorCode SwapInterval(int interval)
{
throw new NotImplementedException();
}
[AutoGenerated(EntryPoint = "glXGetSwapIntervalEXT")]
public static int GetSwapInterval()
public static ErrorCode SwapInterval(IntPtr display, IntPtr drawable, int interval)
{
throw new NotImplementedException();
}
@ -449,35 +488,23 @@ namespace OpenTK.Platform.X11
{
throw new NotImplementedException();
}
[AutoGenerated(EntryPoint = "glXGetSwapIntervalSGI")]
public static int GetSwapInterval()
{
throw new NotImplementedException();
}
}
[Slot(0)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal unsafe static extern IntPtr glXCreateContextAttribsARB(IntPtr display, IntPtr fbconfig, IntPtr share_context, bool direct, int* attribs);
[Slot(1)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
internal static extern ErrorCode glXSwapIntervalEXT(int interval);
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern ErrorCode glXSwapIntervalEXT(IntPtr display, IntPtr drawable, int interval);
[Slot(2)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
internal static extern int glXGetSwapIntervalEXT();
[Slot(3)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern ErrorCode glXSwapIntervalMESA(int interval);
[Slot(4)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
[Slot(3)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern int glXGetSwapIntervalMESA();
[Slot(5)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
[Slot(4)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
internal static extern ErrorCode glXSwapIntervalSGI(int interval);
[Slot(6)]
[DllImport(Library, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
internal static extern int glXGetSwapIntervalSGI();
#endregion
}

67
Source/OpenTK/Platform/X11/X11GLContext.cs
View file

@ -41,6 +41,11 @@ namespace OpenTK.Platform.X11
#region --- Constructors ---
static X11GLContext()
{
new Glx().LoadEntryPoints();
}
public X11GLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shared, bool direct,
int major, int minor, GraphicsContextFlags flags)
{
@ -258,8 +263,7 @@ namespace OpenTK.Platform.X11
{
return
SupportsExtension(display, window, "GLX_ARB_create_context") &&
SupportsExtension(display, window, "GLX_ARB_create_context_profile") &&
Glx.SupportsFunction("glXCreateContextAttribsARB");
SupportsExtension(display, window, "GLX_ARB_create_context_profile");
}
#endregion
@ -359,20 +363,40 @@ namespace OpenTK.Platform.X11
{
get
{
if (currentWindow == null)
{
Debug.Print("Context must be current");
throw new InvalidOperationException();
}
using (new XLock(display))
{
if (vsync_ext_supported)
return Glx.Ext.GetSwapInterval();
{
int value;
Glx.QueryDrawable(Display, currentWindow.Handle, GLXAttribute.SWAP_INTERVAL_EXT, out value);
return value;
}
else if (vsync_mesa_supported)
{
return Glx.Mesa.GetSwapInterval();
}
else if (vsync_sgi_supported)
{
return sgi_swap_interval;
else
return 0;
}
return 0;
}
}
set
{
if (currentWindow == null)
{
Debug.Print("Context must be current");
throw new InvalidOperationException();
}
if (value < 0 && !vsync_tear_supported)
{
value = 1;
@ -382,11 +406,17 @@ namespace OpenTK.Platform.X11
using (new XLock(Display))
{
if (vsync_ext_supported)
error_code = Glx.Ext.SwapInterval(value);
{
Glx.Ext.SwapInterval(Display, currentWindow.Handle, value);
}
else if (vsync_mesa_supported)
{
error_code = Glx.Mesa.SwapInterval(value);
}
else if (vsync_sgi_supported)
{
error_code = Glx.Sgi.SwapInterval(value);
}
}
if (error_code == X11.ErrorCode.NO_ERROR)
@ -402,23 +432,24 @@ namespace OpenTK.Platform.X11
public override void LoadAll()
{
// Note: GLX entry points are always available, even
// for extensions that are not currently supported by
// the underlying driver. This means we can only check
// the extension strings for support, not the entry
// points themselves.
vsync_ext_supported =
SupportsExtension(display, currentWindow, "GLX_EXT_swap_control") &&
Glx.SupportsFunction("glXSwapIntervalEXT") &&
Glx.SupportsFunction("glXGetSwapIntervalEXT");
SupportsExtension(display, currentWindow, "GLX_EXT_swap_control");
vsync_mesa_supported =
SupportsExtension(display, currentWindow, "GLX_MESA_swap_control") &&
Glx.SupportsFunction("glXSwapIntervalMESA") &&
Glx.SupportsFunction("glXGetSwapIntervalMESA");
SupportsExtension(display, currentWindow, "GLX_MESA_swap_control");
vsync_sgi_supported =
SupportsExtension(display, currentWindow, "GLX_SGI_swap_control") &&
Glx.SupportsFunction("glXSwapIntervalSGI");
Debug.Print("Context supports vsync: {0}.",
vsync_ext_supported || vsync_mesa_supported || vsync_ext_supported);
SupportsExtension(display, currentWindow, "GLX_SGI_swap_control");
vsync_tear_supported =
SupportsExtension(display, currentWindow, "GLX_EXT_swap_control_tear");
Debug.Print("Context supports vsync tear: {0}.", vsync_tear_supported);
Debug.Print("Context supports vsync: {0}.",
vsync_ext_supported || vsync_mesa_supported || vsync_sgi_supported);
Debug.Print("Context supports adaptive vsync: {0}.",
vsync_tear_supported);
base.LoadAll();
}