INTEGRATION: CWS aw024 (1.1.4); FILE ADDED

2006/11/13 10:58:39 aw 1.1.4.4: changes after resync
2006/09/12 11:24:14 aw 1.1.4.3: changes after resync: GetSalData() -> GetX11SalData()
2006/08/11 13:46:03 aw 1.1.4.2: #i66849# do not crash if XRender is not available
2006/07/20 15:40:22 thb 1.1.4.1: #i66849# Joined from CWS xralpha

1 files changed, 262 insertions, 0 deletions

diff --git a/vcl/unx/source/gdi/xrender_peer.cxx b/vcl/unx/source/gdi/xrender_peer.cxx
new file mode 100644
index 000000000000..bc86433fc339
--- /dev/null
+++ b/vcl/unx/source/gdi/xrender_peer.cxx
@@ -0,0 +1,262 @@
+/*************************************************************************
+ *
+ *  $RCSfile$
+ *
+ *  $Revision$
+ *
+ *  last change: $Author$ $Date$
+ *
+ *  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 <rtl/ustring.hxx>
+#include <osl/module.h>
+//#include <osl/thread.h>
+using namespace rtl;
+
+#include <xrender_peer.hxx>
+
+#include <salunx.h>
+#include <saldata.hxx>
+#include <saldisp.hxx>
+
+// ---------------------------------------------------------------------------
+
+XRenderPeer::XRenderPeer()
+:   mpDisplay( GetX11SalData()->GetDisplay()->GetDisplay() ),
+    mpGlyphFormat( NULL ),
+    mnRenderVersion( 0 ),
+    mpRenderLib( NULL )
+{
+    InitRenderLib();
+}
+
+// ---------------------------------------------------------------------------
+
+XRenderPeer::~XRenderPeer()
+{
+    osl_unloadModule( mpRenderLib );
+}
+
+// ---------------------------------------------------------------------------
+
+XRenderPeer& XRenderPeer::GetInstance()
+{
+    static XRenderPeer aPeer;
+    return aPeer;
+}
+
+// ---------------------------------------------------------------------------
+
+void XRenderPeer::InitRenderLib()
+{
+    int nDummy;
+    if( !XQueryExtension( mpDisplay, "RENDER", &nDummy, &nDummy, &nDummy ) )
+        return;
+
+#ifndef XRENDER_LINK
+    // we don't know if we are running on a system with xrender library
+    // we don't want to install system libraries ourselves
+    // => load them dynamically when they are there
+#ifdef MACOSX
+    OUString aLibName( RTL_CONSTASCII_USTRINGPARAM( "libXrender.dylib" ));
+#else
+    OUString aLibName( RTL_CONSTASCII_USTRINGPARAM( "libXrender.so.1" ));
+#endif
+    mpRenderLib = osl_loadModule( aLibName.pData, SAL_LOADMODULE_DEFAULT );
+    if( !mpRenderLib ) {
+#ifdef DEBUG
+        fprintf( stderr, "Display can do XRender, but no %s installed.\n"
+            "Please install for improved display performance\n", OUStringToOString( aLibName.getStr(),
+                                                                                    osl_getThreadTextEncoding() ).getStr() );
+#endif
+        return;
+    }
+
+    OUString aQueryExtensionFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderQueryExtension"));
+    oslGenericFunction pFunc;
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aQueryExtensionFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderQueryExtension = (Bool(*)(Display*,int*,int*))pFunc;
+
+    OUString aQueryVersionFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderQueryVersion"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aQueryVersionFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderQueryVersion = (void(*)(Display*,int*,int*))pFunc;
+
+    OUString aVisFormatFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFindVisualFormat"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aVisFormatFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFindVisualFormat = (XRenderPictFormat*(*)(Display*,Visual*))pFunc;
+
+    OUString aFmtFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFindFormat"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aFmtFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFindFormat = (XRenderPictFormat*(*)(Display*,unsigned long,
+        const XRenderPictFormat*,int))pFunc;
+
+    OUString aCreatGlyphFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderCreateGlyphSet"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aCreatGlyphFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderCreateGlyphSet = (GlyphSet(*)(Display*,XRenderPictFormat*))pFunc;
+
+    OUString aFreeGlyphFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFreeGlyphSet"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aFreeGlyphFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFreeGlyphSet = (void(*)(Display*,GlyphSet))pFunc;
+
+    OUString aAddGlyphFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderAddGlyphs"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aAddGlyphFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderAddGlyphs = (void(*)(Display*,GlyphSet,Glyph*,const XGlyphInfo*,
+        int,const char*,int))pFunc;
+
+    OUString aFreeGlyphsFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFreeGlyphs"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aFreeGlyphsFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFreeGlyphs = (void(*)(Display*,GlyphSet,Glyph*,int))pFunc;
+
+    OUString aCompStringFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderCompositeString32"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aCompStringFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderCompositeString32 = (void(*)(Display*,int,Picture,Picture,
+        XRenderPictFormat*,GlyphSet,int,int,int,int,const unsigned*,int))pFunc;
+
+    OUString aCreatPicFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderCreatePicture"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aCreatPicFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderCreatePicture = (Picture(*)(Display*,Drawable,XRenderPictFormat*,
+        unsigned long,const XRenderPictureAttributes*))pFunc;
+
+    OUString aSetClipFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderSetPictureClipRegion"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aSetClipFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderSetPictureClipRegion = (void(*)(Display*,Picture,XLIB_Region))pFunc;
+
+    OUString aFreePicFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFreePicture"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aFreePicFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFreePicture = (void(*)(Display*,Picture))pFunc;
+
+    OUString aRenderCompositeFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderComposite"));
+    pFunc = osl_getFunctionSymbol( mpRenderLib, aRenderCompositeFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderComposite = (void(*)(Display*,int,Picture,Picture,Picture,
+        int,int,int,int,int,int,unsigned,unsigned))pFunc;
+
+    OUString aFillRectangleFuncName(RTL_CONSTASCII_USTRINGPARAM("XRenderFillRectangle"));
+    pFunc=osl_getFunctionSymbol( mpRenderLib, aFillRectangleFuncName.pData);
+    if( !pFunc ) return;
+    mpXRenderFillRectangle = (void(*)(Display*,int,Picture,const XRenderColor*,
+        int,int,unsigned int,unsigned int))pFunc;
+#endif
+
+    // needed to initialize libXrender internals, we already know its there
+#ifdef XRENDER_LINK
+    XRenderQueryExtension( mpDisplay, &nDummy, &nDummy );
+#else
+    (*mpXRenderQueryExtension)( mpDisplay, &nDummy, &nDummy );
+#endif
+
+    int nMajor, nMinor;
+#ifdef XRENDER_LINK
+    XRenderQueryVersion( mpDisplay, &nMajor, &nMinor );
+#else
+    (*mpXRenderQueryVersion)( mpDisplay, &nMajor, &nMinor );
+#endif
+    mnRenderVersion = 16*nMajor + nMinor;
+}
+
+// ---------------------------------------------------------------------------
+
+bool XRenderPeer::InitRenderText( int nMaxDepth )
+{
+    if( mnRenderVersion < 0x01 )
+        return false;
+
+    // #93033# disable XRENDER for old RENDER versions if XINERAMA is present
+    int nDummy;
+    if( XQueryExtension( mpDisplay, "XINERAMA", &nDummy, &nDummy, &nDummy ) )
+        if( mnRenderVersion < 0x02 )
+            return false;
+
+    // the 8bit alpha mask format must be there
+    XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
+    mpGlyphFormat = FindPictureFormat( PictFormatAlphaMask|PictFormatDepth, aPictFormat );
+    if( !mpGlyphFormat )
+        return false;
+
+    // and the visual must be supported too on at least one screen
+    SalDisplay* pSalDisp = GetX11SalData()->GetDisplay();
+    const int nScreenCount = pSalDisp->GetScreenCount();
+    XRenderPictFormat* pVisualFormat = NULL;
+    for( int nScreen = 0; nScreen < nScreenCount; ++nScreen )
+    {
+        Visual* pXVisual = pSalDisp->GetVisual( nScreen ).GetVisual();
+        pVisualFormat = FindVisualFormat( pXVisual );
+        if( pVisualFormat != NULL )
+            break;
+    }
+    if( !pVisualFormat )
+        return false;
+
+    // #97763# disable XRENDER on <15bit displays for XFree<=4.2.0
+    if( mnRenderVersion <= 0x02 )
+        if( nMaxDepth < 15 )
+            return false;
+
+    return true;
+}
+
+// ---------------------------------------------------------------------------
+