--- /dev/null
+// #region License
+//
+// Cgl.cs
+//
+// Author:
+// Stefanos A. <stapostol@gmail.com>
+//
+// Copyright (c) 2006-2014 Stefanos Apostolopoulos
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+// #endregion
+using System;
+using System.Runtime.InteropServices;
+
+namespace OpenTK.Platform.MacOS
+{
+ using CGLPixelFormat = IntPtr;
+ using CGLContext = IntPtr;
+
+ static class Cgl
+ {
+ internal enum PixelFormatBool
+ {
+ None = 0,
+ AllRenderers = 1,
+ Doublebuffer = 5,
+ Stereo = 6,
+ AuxBuffers = 7,
+ MinimumPolicy = 51,
+ MaximumPolicy = 52,
+ Offscreen = 53,
+ AuxDepthStencil = 57,
+ ColorFloat = 58,
+ Multisample = 59,
+ Supersample = 60,
+ SampleALpha = 61,
+ SingleRenderer = 71,
+ NoRecovery = 72,
+ Accelerated = 73,
+ ClosestPolicy = 74,
+ BackingStore = 76,
+ Window = 80,
+ Compliant = 83,
+ PBuffer = 90,
+ RemotePBuffer = 91,
+ }
+
+ internal enum PixelFormatInt
+ {
+ ColorSize = 8,
+ AlphaSize = 11,
+ DepthSize = 12,
+ StencilSize = 13,
+ AccumSize = 14,
+ SampleBuffers = 55,
+ Samples = 56,
+ RendererID = 70,
+ DisplayMask = 84,
+ OpenGLProfile = 99,
+ VScreenCount = 128,
+ }
+
+ internal enum OpenGLProfileVersion
+ {
+ Legacy = 0x100,
+ Core3_2 = 0x3200,
+ }
+
+ internal enum ParameterNames
+ {
+ SwapInterval = 222,
+ }
+
+ internal enum Error
+ {
+ None = 0x000,
+ }
+
+ const string cgl = "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL";
+ const string cgs = "/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon";
+
+ [DllImport(cgl, EntryPoint = "CGLGetError")]
+ internal static extern Error GetError();
+ [DllImport(cgl, EntryPoint = "CGLErrorString")]
+ private static extern IntPtr CGLErrorString(Error code);
+ internal static string ErrorString(Error code)
+ {
+ return Marshal.PtrToStringAnsi(CGLErrorString(code));
+ }
+
+ [DllImport(cgl, EntryPoint = "CGLChoosePixelFormat")]
+ internal static extern Error ChoosePixelFormat(int []attribs, ref CGLPixelFormat format, ref int numPixelFormats);
+ [DllImport(cgl, EntryPoint = "CGLDescribePixelFormat")]
+ internal static extern Error DescribePixelFormat(CGLPixelFormat pix, int pix_num, PixelFormatInt attrib, out int value);
+ [DllImport(cgl, EntryPoint = "CGLDescribePixelFormat")]
+ internal static extern Error DescribePixelFormat(CGLPixelFormat pix, int pix_num, PixelFormatBool attrib, out bool value);
+ [DllImport(cgl, EntryPoint = "CGLGetPixelFormat")]
+ internal static extern CGLPixelFormat GetPixelFormat(CGLContext context);
+ [DllImport(cgl, EntryPoint = "CGLCreateContext")]
+ internal static extern Error CreateContext(CGLPixelFormat format, CGLContext share, ref CGLContext context);
+ [DllImport(cgl, EntryPoint = "CGLDestroyPixelFormat")]
+ internal static extern Error DestroyPixelFormat(CGLPixelFormat format);
+ [DllImport(cgl, EntryPoint = "CGLGetCurrentContext")]
+ internal static extern CGLContext GetCurrentContext();
+ [DllImport(cgl, EntryPoint = "CGLSetCurrentContext")]
+ internal static extern Error SetCurrentContext(CGLContext context);
+ [DllImport(cgl, EntryPoint = "CGLDestroyContext")]
+ internal static extern Error DestroyContext(CGLContext context);
+ [DllImport(cgl, EntryPoint = "CGLSetParameter")]
+ internal static extern Error SetParameter(CGLContext context, int parameter, ref int value);
+ [DllImport(cgl, EntryPoint = "CGLFlushDrawable")]
+ internal static extern Error FlushDrawable(CGLContext context);
+
+ [DllImport(cgl, EntryPoint = "CGLSetSurface")]
+ internal static extern Error SetSurface(CGLContext context, int conId, int winId, int surfId);
+ [DllImport(cgl, EntryPoint = "CGLUpdateContext")]
+ internal static extern Error UpdateContext(CGLContext context);
+
+ [DllImport(cgs, EntryPoint = "CGSMainConnectionID")]
+ internal static extern int MainConnectionID();
+ [DllImport(cgs, EntryPoint = "CGSGetSurfaceCount")]
+ internal static extern Error GetSurfaceCount(int conId, int winId, ref int count);
+ [DllImport(cgs, EntryPoint = "CGSGetSurfaceList")]
+ internal static extern Error GetSurfaceList(int conId, int winId, int count, ref int ids, ref int filled);
+ }
+}
// Finalize
Handle = new ContextHandle(context);
- Mode = mode;
+ Mode = GetGraphicsMode(context);
+
Update(cocoaWindow);
MakeCurrent(cocoaWindow);
}
+ private GraphicsMode GetGraphicsMode(IntPtr context)
+ {
+ IntPtr cgl_context = Cocoa.SendIntPtr(context, Selector.Get("CGLContextObj"));
+ IntPtr cgl_format = Cgl.GetPixelFormat(cgl_context);
+
+ int id = 0; // CGL does not support the concept of a pixel format id
+ int color, depth, stencil, samples, accum;
+ bool doublebuffer, stereo;
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatInt.ColorSize, out color);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatInt.DepthSize, out depth);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatInt.StencilSize, out stencil);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatInt.Samples, out samples);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatInt.AccumSize, out accum);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatBool.Doublebuffer, out doublebuffer);
+ Cgl.DescribePixelFormat(cgl_format, 0, Cgl.PixelFormatBool.Stereo, out stereo);
+
+ return new GraphicsMode((IntPtr)id, color, depth, stencil, samples, accum, doublebuffer ? 2 : 1, stereo);
+ }
+
public override void SwapBuffers()
{
Cocoa.SendVoid(Handle.Handle, selFlushBuffer);