/* * File: wgl_ext_api.c * Purpose: Wrapper functions for Win32 OpenGL wgl extension functions * * Authors: Jon TURNEY * * Copyright (c) Jon TURNEY 2009 * * * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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. */ #ifdef HAVE_XWIN_CONFIG_H #include <xwin-config.h> #endif #include <X11/Xwindows.h> #include <GL/gl.h> #include <GL/glext.h> #include <glx/glxserver.h> #include <glx/glxext.h> #include "wglext.h" #include <wgl_ext_api.h> #include "glwindows.h" #define RESOLVE_DECL(type) \ static type type##proc = NULL; #define PRERESOLVE(type, symbol) \ type##proc = (type)wglGetProcAddress(symbol); \ if (type##proc == NULL) \ ErrorF("wglwrap: Can't resolve \"%s\"\n", symbol); \ else \ ErrorF("wglwrap: Resolved \"%s\"\n", symbol); #define RESOLVE_RET(type, symbol, retval) \ if (type##proc == NULL) { \ __glXErrorCallBack(0); \ return retval; \ } #define RESOLVE(procname, symbol) RESOLVE_RET(procname, symbol,) #define RESOLVED_PROC(type) type##proc /* * There are extensions to the wgl*() API as well; again we call * these functions by using wglGetProcAddress() to get a pointer * to the function, and wrapping it for cdecl/stdcall conversion * * This should be autogenerated as well, really... * * We arrange to resolve the functions up front, as they need a * context to work, as we like to use them to be able to select * a context. Again, this assumption fails badly on multimontor * systems... */ /* Include generated cdecl wrappers for stdcall WGL functions function address must found using wglGetProcAddress(), but also stdcall so still need wrappers... Include generated */ #include "generated_wgl_wrappers.c"