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https://gitee.com/csharpui/CPF.git
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初始化
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xhm
106
CPF.Mac/Mac/OpenGL/CGLContext.cs
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106
CPF.Mac/Mac/OpenGL/CGLContext.cs
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using CPF.Mac.Foundation;
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using CPF.Mac.ObjCRuntime;
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using System;
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using System.Runtime.InteropServices;
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namespace CPF.Mac.OpenGL
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{
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public class CGLContext : INativeObject, IDisposable
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{
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internal IntPtr handle;
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public IntPtr Handle => handle;
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public static CGLContext CurrentContext
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{
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get
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{
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IntPtr value = CGLGetCurrentContext();
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if (value != IntPtr.Zero)
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{
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return new CGLContext(value);
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}
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return null;
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}
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set
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{
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if (CGLSetCurrentContext(value.Handle) != 0)
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{
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throw new Exception("Error setting the Current Context");
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}
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}
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}
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public CGLContext(IntPtr handle)
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{
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if (handle == IntPtr.Zero)
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{
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throw new Exception("Invalid parameters to context creation");
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}
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CGLRetainContext(handle);
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this.handle = handle;
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}
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internal CGLContext()
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{
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}
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[Preserve(Conditional = true)]
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internal CGLContext(IntPtr handle, bool owns)
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{
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if (!owns)
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{
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CGLRetainContext(handle);
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}
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this.handle = handle;
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}
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~CGLContext()
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{
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Dispose(disposing: false);
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}
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public void Dispose()
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{
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern void CGLRetainContext(IntPtr handle);
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern void CGLReleaseContext(IntPtr handle);
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protected virtual void Dispose(bool disposing)
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{
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if (handle != IntPtr.Zero)
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{
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CGLReleaseContext(handle);
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handle = IntPtr.Zero;
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}
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern CGLErrorCode CGLLockContext(IntPtr ctx);
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public CGLErrorCode Lock()
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{
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return CGLLockContext(handle);
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern CGLErrorCode CGLUnlockContext(IntPtr ctx);
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public CGLErrorCode Unlock()
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{
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return CGLUnlockContext(handle);
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern CGLErrorCode CGLSetCurrentContext(IntPtr ctx);
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern IntPtr CGLGetCurrentContext();
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}
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}
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25
CPF.Mac/Mac/OpenGL/CGLErrorCode.cs
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25
CPF.Mac/Mac/OpenGL/CGLErrorCode.cs
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namespace CPF.Mac.OpenGL
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{
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public enum CGLErrorCode
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{
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NoError = 0,
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BadAttribute = 10000,
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BadProperty = 10001,
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BadPixelFormat = 10002,
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BadRendererInfo = 10003,
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BadContext = 10004,
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BadDrawable = 10005,
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BadDisplay = 10006,
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BadState = 10007,
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BadValue = 10008,
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BadMatch = 10009,
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BadEnumeration = 10010,
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BadOffScreen = 10011,
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BadFullScreen = 10012,
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BadWindow = 10013,
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BadAddress = 10014,
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BadCodeModule = 10015,
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BadAlloc = 10016,
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BadConnection = 10017
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}
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}
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163
CPF.Mac/Mac/OpenGL/CGLPixelFormat.cs
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163
CPF.Mac/Mac/OpenGL/CGLPixelFormat.cs
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@@ -0,0 +1,163 @@
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using CPF.Mac.Foundation;
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using CPF.Mac.ObjCRuntime;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace CPF.Mac.OpenGL
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{
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public class CGLPixelFormat : INativeObject, IDisposable
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{
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internal IntPtr handle;
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private static int ignored;
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public IntPtr Handle => handle;
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public CGLPixelFormat(IntPtr handle)
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{
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if (handle == IntPtr.Zero)
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{
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throw new Exception("Invalid parameters to context creation");
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}
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CGLRetainPixelFormat(handle);
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this.handle = handle;
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}
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internal CGLPixelFormat()
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{
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}
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[Preserve(Conditional = true)]
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internal CGLPixelFormat(IntPtr handle, bool owns)
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{
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if (!owns)
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{
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CGLRetainPixelFormat(handle);
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}
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this.handle = handle;
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}
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~CGLPixelFormat()
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{
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Dispose(disposing: false);
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}
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public void Dispose()
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{
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern void CGLRetainPixelFormat(IntPtr handle);
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern void CGLReleasePixelFormat(IntPtr handle);
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protected virtual void Dispose(bool disposing)
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{
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if (handle != IntPtr.Zero)
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{
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CGLReleasePixelFormat(handle);
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handle = IntPtr.Zero;
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}
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}
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[DllImport("/System/Library/Frameworks/OpenGL.framework/OpenGL")]
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private static extern CGLErrorCode CGLChoosePixelFormat(CGLPixelFormatAttribute[] attributes, IntPtr pix, IntPtr npix);
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public CGLPixelFormat(CGLPixelFormatAttribute[] attributes, out int npix)
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{
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if (attributes == null)
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{
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throw new ArgumentNullException("attributes");
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}
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IntPtr intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
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IntPtr intPtr2 = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
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CGLPixelFormatAttribute[] array = new CGLPixelFormatAttribute[attributes.Length + 1];
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Array.Copy(attributes, array, attributes.Length);
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CGLErrorCode cGLErrorCode = CGLChoosePixelFormat(array, intPtr, intPtr2);
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if (cGLErrorCode != 0)
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{
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Marshal.FreeHGlobal(intPtr);
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Marshal.FreeHGlobal(intPtr2);
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throw new Exception("CGLChoosePixelFormat returned: " + cGLErrorCode);
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}
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handle = Marshal.ReadIntPtr(intPtr);
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npix = Marshal.ReadInt32(intPtr2);
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Marshal.FreeHGlobal(intPtr);
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Marshal.FreeHGlobal(intPtr2);
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}
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public CGLPixelFormat(params object[] attributes)
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: this(ConvertToAttributes(attributes), out ignored)
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{
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}
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public CGLPixelFormat(out int npix, params object[] attributes)
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: this(ConvertToAttributes(attributes), out npix)
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{
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}
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private static CGLPixelFormatAttribute[] ConvertToAttributes(object[] args)
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{
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List<CGLPixelFormatAttribute> list = new List<CGLPixelFormatAttribute>();
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for (int i = 0; i < args.Length; i++)
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{
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CGLPixelFormatAttribute cGLPixelFormatAttribute = (CGLPixelFormatAttribute)args[i];
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switch (cGLPixelFormatAttribute)
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{
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case CGLPixelFormatAttribute.AllRenderers:
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case CGLPixelFormatAttribute.DoubleBuffer:
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case CGLPixelFormatAttribute.Stereo:
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case CGLPixelFormatAttribute.MinimumPolicy:
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case CGLPixelFormatAttribute.MaximumPolicy:
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case CGLPixelFormatAttribute.OffScreen:
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case CGLPixelFormatAttribute.FullScreen:
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case CGLPixelFormatAttribute.AuxDepthStencil:
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case CGLPixelFormatAttribute.ColorFloat:
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case CGLPixelFormatAttribute.Multisample:
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case CGLPixelFormatAttribute.Supersample:
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case CGLPixelFormatAttribute.SampleAlpha:
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case CGLPixelFormatAttribute.SingleRenderer:
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case CGLPixelFormatAttribute.NoRecovery:
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case CGLPixelFormatAttribute.Accelerated:
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case CGLPixelFormatAttribute.ClosestPolicy:
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case CGLPixelFormatAttribute.Robust:
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case CGLPixelFormatAttribute.BackingStore:
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case CGLPixelFormatAttribute.MPSafe:
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case CGLPixelFormatAttribute.Window:
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case CGLPixelFormatAttribute.MultiScreen:
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case CGLPixelFormatAttribute.Compliant:
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case CGLPixelFormatAttribute.PixelBuffer:
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case CGLPixelFormatAttribute.RemotePixelBuffer:
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case CGLPixelFormatAttribute.AllowOfflineRenderers:
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case CGLPixelFormatAttribute.AcceleratedCompute:
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list.Add(cGLPixelFormatAttribute);
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break;
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case CGLPixelFormatAttribute.AuxBuffers:
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case CGLPixelFormatAttribute.ColorSize:
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case CGLPixelFormatAttribute.AlphaSize:
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case CGLPixelFormatAttribute.DepthSize:
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case CGLPixelFormatAttribute.StencilSize:
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case CGLPixelFormatAttribute.AccumSize:
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case CGLPixelFormatAttribute.SampleBuffers:
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case CGLPixelFormatAttribute.Samples:
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case CGLPixelFormatAttribute.RendererID:
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case CGLPixelFormatAttribute.ScreenMask:
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case CGLPixelFormatAttribute.VirtualScreenCount:
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list.Add(cGLPixelFormatAttribute);
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i++;
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if (i >= args.Length)
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{
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throw new ArgumentException("Attribute " + cGLPixelFormatAttribute + " needs a value");
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}
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list.Add((CGLPixelFormatAttribute)args[i]);
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break;
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}
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}
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return list.ToArray();
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}
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}
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}
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43
CPF.Mac/Mac/OpenGL/CGLPixelFormatAttribute.cs
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43
CPF.Mac/Mac/OpenGL/CGLPixelFormatAttribute.cs
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@@ -0,0 +1,43 @@
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namespace CPF.Mac.OpenGL
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{
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public enum CGLPixelFormatAttribute
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{
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AllRenderers = 1,
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DoubleBuffer = 5,
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Stereo = 6,
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AuxBuffers = 7,
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ColorSize = 8,
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AlphaSize = 11,
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DepthSize = 12,
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StencilSize = 13,
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AccumSize = 14,
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MinimumPolicy = 51,
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MaximumPolicy = 52,
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OffScreen = 53,
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FullScreen = 54,
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SampleBuffers = 55,
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Samples = 56,
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AuxDepthStencil = 57,
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ColorFloat = 58,
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Multisample = 59,
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Supersample = 60,
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SampleAlpha = 61,
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RendererID = 70,
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SingleRenderer = 71,
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NoRecovery = 72,
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Accelerated = 73,
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ClosestPolicy = 74,
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Robust = 75,
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BackingStore = 76,
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MPSafe = 78,
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Window = 80,
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MultiScreen = 81,
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Compliant = 83,
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ScreenMask = 84,
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PixelBuffer = 90,
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RemotePixelBuffer = 91,
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AllowOfflineRenderers = 96,
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AcceleratedCompute = 97,
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VirtualScreenCount = 0x80
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}
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}
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