/* $Id: wmesa.h,v 1.2 2002/04/23 18:23:32 kschultz Exp $ */ /* * Mesa 3-D graphics library * Version: 3.0 * Copyright (C) 1995-1998 Brian Paul * * 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 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * $Log: wmesa.h,v $ * Revision 1.2 2002/04/23 18:23:32 kschultz * Fix up alpha buffer handling for Windows. * - add two new Pixel Format Descriptors that do not have alpha bits to * mirror the two that do. * - add logic to wglChoosePixelFormat to match PFD's with respect to alpha. * - Create/clear software alpha buffer as required. * Now a wgl or GLUT program can control the creation of a software alpha * buffer via the PFD or GLUT parms, respectively. * * Revision 1.1.1.1 1999/08/19 00:55:40 jtg * Imported sources * * Revision 3.2 1999/01/03 02:54:45 brianp * updated per Ted Jump * * Revision 3.1 1998/12/01 02:34:27 brianp * applied Mark Kilgard's patches from November 30, 1998 * * Revision 3.0 1998/02/20 05:06:59 brianp * initial rev * */ /* * Windows driver by: Mark E. Peterson (markp@ic.mankato.mn.us) * Updated by Li Wei (liwei@aiar.xjtu.edu.cn) * * *************************************************************** * WMesa * * version 2.3 * * * * By * * Li Wei * * Institute of Artificial Intelligence & Robotics * * Xi'an Jiaotong University * * Email: liwei@aiar.xjtu.edu.cn * * Web page: http://sun.aiar.xjtu.edu.cn * * * * July 7th, 1997 * *************************************************************** */ #ifndef WMESA_H #define WMESA_H #ifdef __cplusplus extern "C" { #endif #include "gl\gl.h" #pragma warning (disable:4273) #pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */ #pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */ #pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */ #pragma warning( disable : 4013 ) /* 'function' undefined; assuming extern returning int */ #pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */ #pragma warning( disable : 4273 ) /* 'identifier' : inconsistent DLL linkage. dllexport assumed */ #if (MESA_WARNQUIET>1) # pragma warning( disable : 4146 ) /* unary minus operator applied to unsigned type, result still unsigned */ #endif /* * This is the WMesa context 'handle': */ typedef struct wmesa_context *WMesaContext; /* * Create a new WMesaContext for rendering into a window. You must * have already created the window of correct visual type and with an * appropriate colormap. * * Input: * hWnd - Window handle * Pal - Palette to use * rgb_flag - GL_TRUE = RGB mode, * GL_FALSE = color index mode * db_flag - GL_TRUE = double-buffered, * GL_FALSE = single buffered * alpha_flag - GL_TRUE = create software alpha buffer, * GL_FALSE = no software alpha buffer * * Note: Indexed mode requires double buffering under Windows. * * Return: a WMesa_context or NULL if error. */ extern WMesaContext WMesaCreateContext(HWND hWnd,HPALETTE* pPal, GLboolean rgb_flag, GLboolean db_flag, GLboolean alpha_flag); /* * Destroy a rendering context as returned by WMesaCreateContext() */ /*extern void WMesaDestroyContext( WMesaContext ctx );*/ extern void WMesaDestroyContext( void ); /* * Make the specified context the current one. */ extern void WMesaMakeCurrent( WMesaContext ctx ); /* * Return a handle to the current context. */ extern WMesaContext WMesaGetCurrentContext( void ); /* * Swap the front and back buffers for the current context. No action * taken if the context is not double buffered. */ extern void WMesaSwapBuffers(void); /* * In indexed color mode we need to know when the palette changes. */ extern void WMesaPaletteChange(HPALETTE Pal); extern void WMesaMove(void); #ifdef __cplusplus } #endif #endif