diff src/video/wincommon/SDL_wingl_c.h @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children e8157fcb3114
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/wincommon/SDL_wingl_c.h	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,69 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* WGL implementation of SDL OpenGL support */
+
+#include "SDL_sysvideo.h"
+
+
+struct SDL_PrivateGLData {
+    int gl_active; /* to stop switching drivers while we have a valid context */
+
+#ifdef HAVE_OPENGL
+    PIXELFORMATDESCRIPTOR GL_pfd;
+    HDC GL_hdc;
+    HGLRC GL_hrc;
+
+    void * (WINAPI *wglGetProcAddress)(const char *proc);
+
+    HGLRC (WINAPI *wglCreateContext)(HDC hdc);
+
+    BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc);
+
+    BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc);
+
+#endif /* HAVE_OPENGL */
+};
+
+/* Old variable names */
+#define gl_active	(this->gl_data->gl_active)
+#define GL_pfd		(this->gl_data->GL_pfd)
+#define GL_hdc		(this->gl_data->GL_hdc)
+#define GL_hrc		(this->gl_data->GL_hrc)
+
+/* OpenGL functions */
+extern int WIN_GL_SetupWindow(_THIS);
+extern void WIN_GL_ShutDown(_THIS);
+#ifdef HAVE_OPENGL
+extern int WIN_GL_MakeCurrent(_THIS);
+extern int WIN_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
+extern void WIN_GL_SwapBuffers(_THIS);
+extern void WIN_GL_UnloadLibrary(_THIS);
+extern int WIN_GL_LoadLibrary(_THIS, const char* path);
+extern void *WIN_GL_GetProcAddress(_THIS, const char* proc);
+#endif
+