# Normal types. GLsizei, Int32 GLsizeiptr, IntPtr GLintptr, IntPtr # GLenum, Int32 GLboolean, bool # Boolean # Int32 GLbitfield, UInt32 # GLvoid*, IntPtr # GLvoid, Void #Object GLchar, Char GLbyte, SByte GLubyte, Byte GLshort, Int16 GLushort, UInt16 GLint, Int32 GLuint, UInt32 GLfloat, Single GLclampf, Single GLdouble, Double GLclampd, Double GLstring, String PixelInternalFormat, PixelInternalFormat # ARB and NV types. GLsizeiptrARB, IntPtr GLintptrARB, IntPtr GLhandleARB, UInt32 GLhalfARB, OpenTK.Half GLhalfNV, OpenTK.Half GLcharARB, Char # 64 bit types (introduced in 2.1) GLint64EXT, Int64 GLuint64EXT, UInt64 GLint64, Int64 GLuint64, UInt64 # Wgl types. PROC, IntPtr LPCSTR, String COLORREF, Int32 BOOL, Boolean DWORD, Int32 FLOAT, Single HANDLE, IntPtr HDC, IntPtr HGLRC, IntPtr HPBUFFERARB, IntPtr #HPBUFFERARB HPBUFFEREXT, IntPtr #HPBUFFEREXT INT32, Int32 INT64, Int64 LPVOID, void* #String, const char * UINT, UInt32 USHORT, UInt16 VOID, void VoidPointer, void* float, float int, int #void, * # Glu types. Float64 double Float64Pointer double* Float32 float Float32Pointer float* # Glx types. Void void Bool bool int64_t long int32_t int Display IntPtr Window IntPtr Pixmap IntPtr Colormap IntPtr GLXWindow IntPtr GLXContext IntPtr GLXDrawable IntPtr GLXPixmap IntPtr __GLXextFuncPtr IntPtr VLServer IntPtr VLPath IntPtr VLNode IntPtr # Gles types. GLclampx, int GLfixed, int