1 files changed, 246 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..8d24e4098df4
--- /dev/null
+++ b/vcl/unx/source/gdi/xrender_peer.cxx
@@ -0,0 +1,246 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_vcl.hxx"
+
+#include <stdio.h>
+#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() ),
+    mpStandardFormatA8( NULL ),
+    mnRenderVersion( 0 ),
+    mpRenderLib( NULL )
+#ifndef XRENDER_LINK
+,   mpXRenderCompositeTrapezoids( NULL )
+,   mpXRenderAddTraps( NULL )
+#endif // XRENDER_LINK
+{
+    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
+    const OUString aLibName( RTL_CONSTASCII_USTRINGPARAM( "libXrender.so.1" ));
+    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;
+    }
+
+    oslGenericFunction pFunc;
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderQueryExtension" );
+    if( !pFunc ) return;
+    mpXRenderQueryExtension = (Bool(*)(Display*,int*,int*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderQueryVersion" );
+    if( !pFunc ) return;
+    mpXRenderQueryVersion = (void(*)(Display*,int*,int*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindVisualFormat" );
+    if( !pFunc ) return;
+    mpXRenderFindVisualFormat = (XRenderPictFormat*(*)(Display*,Visual*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindStandardFormat" );
+    if( !pFunc ) return;
+    mpXRenderFindStandardFormat = (XRenderPictFormat*(*)(Display*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindFormat" );
+    if( !pFunc ) return;
+    mpXRenderFindFormat = (XRenderPictFormat*(*)(Display*,unsigned long,
+        const XRenderPictFormat*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCreateGlyphSet" );
+    if( !pFunc ) return;
+    mpXRenderCreateGlyphSet = (GlyphSet(*)(Display*,const XRenderPictFormat*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreeGlyphSet" );
+    if( !pFunc ) return;
+    mpXRenderFreeGlyphSet = (void(*)(Display*,GlyphSet))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderAddGlyphs" );
+    if( !pFunc ) return;
+    mpXRenderAddGlyphs = (void(*)(Display*,GlyphSet,Glyph*,const XGlyphInfo*,
+        int,const char*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreeGlyphs" );
+    if( !pFunc ) return;
+    mpXRenderFreeGlyphs = (void(*)(Display*,GlyphSet,Glyph*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCompositeString32" );
+    if( !pFunc ) return;
+    mpXRenderCompositeString32 = (void(*)(Display*,int,Picture,Picture,
+        const XRenderPictFormat*,GlyphSet,int,int,int,int,const unsigned*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCreatePicture" );
+    if( !pFunc ) return;
+    mpXRenderCreatePicture = (Picture(*)(Display*,Drawable,const XRenderPictFormat*,
+        unsigned long,const XRenderPictureAttributes*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderChangePicture" );
+    if( !pFunc ) return;
+    mpXRenderChangePicture = (void(*)(Display*,Picture,unsigned long,const XRenderPictureAttributes*))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderSetPictureClipRegion" );
+    if( !pFunc ) return;
+    mpXRenderSetPictureClipRegion = (void(*)(Display*,Picture,XLIB_Region))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreePicture" );
+    if( !pFunc ) return;
+    mpXRenderFreePicture = (void(*)(Display*,Picture))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderComposite" );
+    if( !pFunc ) return;
+    mpXRenderComposite = (void(*)(Display*,int,Picture,Picture,Picture,
+        int,int,int,int,int,int,unsigned,unsigned))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFillRectangle" );
+    if( !pFunc ) return;
+    mpXRenderFillRectangle = (void(*)(Display*,int,Picture,const XRenderColor*,
+        int,int,unsigned int,unsigned int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCompositeTrapezoids" );
+#if 0 // not having trapezoid support is supported
+    if( !pFunc ) return;
+#endif
+    mpXRenderCompositeTrapezoids = (void(*)(Display*,int,Picture,Picture,
+        const XRenderPictFormat*,int,int,const XTrapezoid*,int))pFunc;
+
+    pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderAddTraps" );
+#if 0 // not having trapezoid support is supported
+    if( !pFunc ) return;
+#endif
+    mpXRenderAddTraps = (void(*)(Display*,Picture,int,int,const _XTrap*,int))pFunc;
+
+#endif // XRENDER_LINK
+
+    // 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;
+
+    // the 8bit alpha mask format must be there
+    XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
+    mpStandardFormatA8 = FindPictureFormat( PictFormatAlphaMask|PictFormatDepth, aPictFormat );
+}
+
+// ---------------------------------------------------------------------------
+
+// return mask of screens capable of XRENDER text
+sal_uInt32 XRenderPeer::InitRenderText()
+{
+    if( mnRenderVersion < 0x01 )
+        return 0;
+
+    // #93033# disable XRENDER for old RENDER versions if XINERAMA is present
+    int nDummy;
+    if( XQueryExtension( mpDisplay, "XINERAMA", &nDummy, &nDummy, &nDummy ) )
+        if( mnRenderVersion < 0x02 )
+            return 0;
+
+    if( !mpStandardFormatA8 )
+        return 0;
+
+    // and the visual must be supported too on at least one screen
+    sal_uInt32 nRetMask = 0;
+    SalDisplay* pSalDisp = GetX11SalData()->GetDisplay();
+    const int nScreenCount = pSalDisp->GetScreenCount();
+    XRenderPictFormat* pVisualFormat = NULL;
+    int nMaxDepth = 0;
+    for( int nScreen = 0; nScreen < nScreenCount; ++nScreen )
+    {
+        Visual* pXVisual = pSalDisp->GetVisual( nScreen ).GetVisual();
+        pVisualFormat = FindVisualFormat( pXVisual );
+        if( pVisualFormat != NULL )
+        {
+            int nVDepth = pSalDisp->GetVisual( nScreen ).GetDepth();
+            if( nVDepth > nMaxDepth )
+                nMaxDepth = nVDepth;
+            nRetMask |= 1U << nScreen;
+        }
+    }
+
+    // #97763# disable XRENDER on <15bit displays for XFree<=4.2.0
+    if( mnRenderVersion <= 0x02 )
+        if( nMaxDepth < 15 )
+            nRetMask = 0;
+
+    return nRetMask;
+}
+
+// ---------------------------------------------------------------------------