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Diffstat (limited to 'vcl/os2/source/gdi/salogl.cxx')
| -rw-r--r-- | vcl/os2/source/gdi/salogl.cxx | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/vcl/os2/source/gdi/salogl.cxx b/vcl/os2/source/gdi/salogl.cxx new file mode 100644 index 000000000000..bae6bc3f8222 --- /dev/null +++ b/vcl/os2/source/gdi/salogl.cxx @@ -0,0 +1,263 @@ +/************************************************************************* + * + * $RCSfile: salogl.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:34 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <malloc.h> +#define INCL_DOSMODULEMGR +#include <tools/svpm.h> +#define _SV_SALOGL_CXX +#ifndef _SV_SALOGL_HXX +#include <salogl.hxx> +#endif +#ifndef _SV_SALGDI_HXX +#include <salgdi.hxx> +#endif +#ifndef _SV_SALDATA_HXX +#include <saldata.hxx> +#endif + +// ------------ +// - Typedefs - +// ------------ + +typedef VISUALCONFIG* PCFG; + +// ------------ +// - Lib-Name - +// ------------ + +#define OGL_LIBNAME "OPENGL" + +// ---------- +// - Macros - +// ---------- + +#define GET_OGLFNC_PGL( FncName ) \ + nResult = DosQueryProcAddr( mhOGLLib, 0, "pgl" #FncName, (PFN*)&pFnc##FncName ); \ +if( nResult != 0 ) \ + bRet = FALSE; + +// ------------------------------------------------------------------------ + +#define GET_OGLFNC_GL( FncName ) \ + nResult = DosQueryProcAddr( mhOGLLib, 0, "gl" #FncName, (PFN*)&pFnc##FncName ); \ +if( nResult != 0 ) \ + bRet = FALSE; + +// ----------------- +// - Statics init. - +// ----------------- + +// Members +HMODULE SalOpenGL::mhOGLLib = 0; +HGC SalOpenGL::mhOGLContext = 0; +HDC SalOpenGL::mhOGLLastDC = 0; +ULONG SalOpenGL::mnOGLState = OGL_STATE_UNLOADED; + +// Internal use +INIT_OGLFNC( SalOpenGL, ChooseConfig ); +INIT_OGLFNC( SalOpenGL, QueryConfigs ); +INIT_OGLFNC( SalOpenGL, CreateContext ); +INIT_OGLFNC( SalOpenGL, DestroyContext ); +INIT_OGLFNC( SalOpenGL, GetCurrentContext ); +INIT_OGLFNC( SalOpenGL, MakeCurrent ); +INIT_OGLFNC( SalOpenGL, QueryCapability ); + +// ------------- +// - SalOpenGL - +// ------------- + +SalOpenGL::SalOpenGL( SalGraphics* pGraphics ) +{ + // Set mhOGLLastDC only the first time a + // SalOpenGL object is created; we need + // this DC in SalOpenGL::Create(); + if( OGL_STATE_UNLOADED == mnOGLState ) + mhOGLLastDC = pGraphics->maGraphicsData.mhDC; +} + +// ------------------------------------------------------------------------ + +SalOpenGL::~SalOpenGL() +{ +} + +// ------------------------------------------------------------------------ + +BOOL SalOpenGL::Create() +{ + BOOL bRet = FALSE; + + if( OGL_STATE_UNLOADED == mnOGLState ) + { + if( ImplInitLib() ) + { +/* + if( ImplInit() ) + { + HAB hAB = GetSalData()->mhAB; + VISUALCONFIG aCfg = { PGL_RGBA, PGL_RED_SIZE, 4, PGL_GREEN_SIZE, 4,PGL_BLUE_SIZE, 4, PGL_DOUBLEBUFFER, 0 }; + PCFG* ppCfgs = pFncQueryConfigs( hAB ); + + if( *ppCfgs ) + { + if( ( mhOGLContext = pFncCreateContext( hAB, *ppCfgs, NULL, FALSE ) ) != 0 ) + { + pFncMakeCurrent( hAB, mhOGLContext, WinWindowFromDC( mhOGLLastDC ) ); + mnOGLState = OGL_STATE_VALID; + bRet = TRUE; + } + } + } +*/ + + if( !bRet ) + { + ImplFreeLib(); + mnOGLState = OGL_STATE_INVALID; + } + } + else + mnOGLState = OGL_STATE_INVALID; + } + else if( OGL_STATE_VALID == mnOGLState ) + bRet = TRUE; + + return bRet; +} + +// ------------------------------------------------------------------------ + +void SalOpenGL::Release() +{ + ImplFreeLib(); +} + +// ------------------------------------------------------------------------ + +void* SalOpenGL::GetOGLFnc( const String& rFncName ) +{ + void* pRet; + + if( mhOGLLib ) + { + APIRET rc; + PFN pFunction; + + rc = DosQueryProcAddr( mhOGLLib, 0, rFncName, &pFunction ); + pRet = rc == NULL ? pFunction : NULL; + } + else + pRet = NULL; + + return pRet; +} + +// ------------------------------------------------------------------------ + +void SalOpenGL::OGLEntry( SalGraphics* pGraphics ) +{ + if( pGraphics->maGraphicsData.mhDC != mhOGLLastDC ) + { + mhOGLLastDC = pGraphics->maGraphicsData.mhDC; + pFncMakeCurrent( GetSalData()->mhAB, mhOGLContext, WinWindowFromDC( mhOGLLastDC ) ); + } +} + +// ------------------------------------------------------------------------ + +void SalOpenGL::OGLExit( SalGraphics* pGraphics ) +{ +} + +// ------------------------------------------------------------------------ + +BOOL SalOpenGL::ImplInitLib() +{ + DosLoadModule ((PSZ)0, 0, OGL_LIBNAME, &mhOGLLib ); + return( mhOGLLib != NULL ); +} + +// ------------------------------------------------------------------------ + +void SalOpenGL::ImplFreeLib() +{ + if( mhOGLLib ) + DosFreeModule( mhOGLLib ); +} + +// ------------------------------------------------------------------------ + +BOOL SalOpenGL::ImplInit() +{ + ULONG nResult; + BOOL bRet = TRUE; + + // Internal use + GET_OGLFNC_PGL( ChooseConfig ); + GET_OGLFNC_PGL( QueryConfigs ); + GET_OGLFNC_PGL( CreateContext ); + GET_OGLFNC_PGL( DestroyContext ); + GET_OGLFNC_PGL( GetCurrentContext ); + GET_OGLFNC_PGL( MakeCurrent ); + GET_OGLFNC_PGL( QueryCapability ); + + return bRet; +} |