Mercurial > sdl-ios-xcode
view src/video/x11/SDL_x11gl_c.h @ 1303:52b5afd7ecee
Date: Tue, 05 Jul 2005 21:43:26 +1000
From: Sean Childs
Subject: [SDL] Compiling SDL 1.2.8 with the free Borland compiler
When compiling SDL 1.2.8 with the free Borland compiler, I received this
error (there is a similar error that occurs in
src\video\windx5\sdl_dx5events.c):
Error E2342 ..\..\src\video\windib\sdl_dibevents.c 189: Type mismatch in
parameter 'lpPrevWndFunc' (wanted 'int (__stdcall *)()', got 'long
(__stdcall *)(void *,unsigned int,unsigned int,long)') in function
DIB_HandleMessage
I checked the MSDN library at:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/
windowsuserinterface/windowing/windowprocedures/windowprocedurereference/wind
owprocedurefunctions/callwindowproc.asp
and it had this to say:
If STRICT is not defined, the lpPrevWndFunc parameter has the data type
FARPROC. The FARPROC type is declared as follows:
int (FAR WINAPI * FARPROC) ()
In C, the FARPROC declaration indicates a callback function that has an
unspecified parameter list. In C++, however, the empty parameter list in
the declaration indicates that a function has no parameters. This subtle
distinction can break careless code. Following is one way to handle this
situation:
#ifdef STRICT
WNDPROC MyWindowProcedure
#else
FARPROC MyWindowProcedure
#endif
...
lResult = CallWindowProc(MyWindowProcedure, ...)
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 31 Jan 2006 15:30:42 +0000 |
parents | 2bd4cec0de63 |
children | c9b51268668f |
line wrap: on
line source
/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif #ifdef HAVE_OPENGL_X11 #include <GL/glx.h> #ifdef USE_DLOPEN #include <dlfcn.h> #else #include "SDL_loadso.h" #endif #endif #include "SDL_sysvideo.h" struct SDL_PrivateGLData { int gl_active; /* to stop switching drivers while we have a valid context */ #ifdef HAVE_OPENGL_X11 GLXContext glx_context; /* Current GL context */ XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */ void * (*glXGetProcAddress)(const GLubyte *procName); XVisualInfo* (*glXChooseVisual) ( Display* dpy, int screen, int* attribList ); GLXContext (*glXCreateContext) ( Display* dpy, XVisualInfo* vis, GLXContext shareList, Bool direct ); void (*glXDestroyContext) ( Display* dpy, GLXContext ctx ); Bool (*glXMakeCurrent) ( Display* dpy, GLXDrawable drawable, GLXContext ctx ); void (*glXSwapBuffers) ( Display* dpy, GLXDrawable drawable ); int (*glXGetConfig) ( Display* dpy, XVisualInfo* visual_info, int attrib, int* value ); void (*glXReleaseBuffersMESA) ( Display* dpy, GLXDrawable drawable ); const char *(*glXQueryExtensionsString) ( Display* dpy, int screen); #endif /* HAVE_OPENGL_X11 */ }; /* Old variable names */ #define gl_active (this->gl_data->gl_active) #define glx_context (this->gl_data->glx_context) #define glx_visualinfo (this->gl_data->glx_visualinfo) /* OpenGL functions */ extern XVisualInfo *X11_GL_GetVisual(_THIS); extern int X11_GL_CreateWindow(_THIS, int w, int h); extern int X11_GL_CreateContext(_THIS); extern void X11_GL_Shutdown(_THIS); #ifdef HAVE_OPENGL_X11 extern int X11_GL_MakeCurrent(_THIS); extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); extern void X11_GL_SwapBuffers(_THIS); extern int X11_GL_LoadLibrary(_THIS, const char* path); extern void *X11_GL_GetProcAddress(_THIS, const char* proc); #endif extern void X11_GL_UnloadLibrary(_THIS);