1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26
27 #include <stdio.h>
28
29 #include <rtl/ustring.hxx>
30 #include <osl/module.h>
31
32 #include <unx/salunx.h>
33 #include <unx/saldata.hxx>
34 #include <unx/saldisp.hxx>
35
36 #include <xrender_peer.hxx>
37
38 using namespace rtl;
39
40 // ---------------------------------------------------------------------------
41
XRenderPeer()42 XRenderPeer::XRenderPeer()
43 : mpDisplay( GetX11SalData()->GetDisplay()->GetDisplay() ),
44 mpStandardFormatA8( NULL ),
45 mnRenderVersion( 0 ),
46 mpRenderLib( NULL )
47 #ifndef XRENDER_LINK
48 , mpXRenderCompositeTrapezoids( NULL )
49 , mpXRenderAddTraps( NULL )
50 #endif // XRENDER_LINK
51 {
52 InitRenderLib();
53 }
54
55 // ---------------------------------------------------------------------------
56
~XRenderPeer()57 XRenderPeer::~XRenderPeer()
58 {
59 osl_unloadModule( mpRenderLib );
60 }
61
62 // ---------------------------------------------------------------------------
63
GetInstance()64 XRenderPeer& XRenderPeer::GetInstance()
65 {
66 static XRenderPeer aPeer;
67 return aPeer;
68 }
69
70 // ---------------------------------------------------------------------------
71
InitRenderLib()72 void XRenderPeer::InitRenderLib()
73 {
74 int nDummy;
75 if( !XQueryExtension( mpDisplay, "RENDER", &nDummy, &nDummy, &nDummy ) )
76 return;
77
78 #ifndef XRENDER_LINK
79 // we don't know if we are running on a system with xrender library
80 // we don't want to install system libraries ourselves
81 // => load them dynamically when they are there
82 static const char aLibName[] = "libXrender.so.1";
83 mpRenderLib = osl_loadAsciiModule( aLibName, SAL_LOADMODULE_DEFAULT );
84 if( !mpRenderLib ) {
85 #ifdef DEBUG
86 fprintf( stderr, "Display can do XRender, but no %s installed.\n"
87 "Please install for improved display performance\n", aLibName );
88 #endif
89 return;
90 }
91
92 oslGenericFunction pFunc;
93 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderQueryExtension" );
94 if( !pFunc ) return;
95 mpXRenderQueryExtension = (Bool(*)(Display*,int*,int*))pFunc;
96
97 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderQueryVersion" );
98 if( !pFunc ) return;
99 mpXRenderQueryVersion = (void(*)(Display*,int*,int*))pFunc;
100
101 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindVisualFormat" );
102 if( !pFunc ) return;
103 mpXRenderFindVisualFormat = (XRenderPictFormat*(*)(Display*,Visual*))pFunc;
104
105 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindStandardFormat" );
106 if( !pFunc ) return;
107 mpXRenderFindStandardFormat = (XRenderPictFormat*(*)(Display*,int))pFunc;
108
109 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFindFormat" );
110 if( !pFunc ) return;
111 mpXRenderFindFormat = (XRenderPictFormat*(*)(Display*,unsigned long,
112 const XRenderPictFormat*,int))pFunc;
113
114 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCreateGlyphSet" );
115 if( !pFunc ) return;
116 mpXRenderCreateGlyphSet = (GlyphSet(*)(Display*,const XRenderPictFormat*))pFunc;
117
118 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreeGlyphSet" );
119 if( !pFunc ) return;
120 mpXRenderFreeGlyphSet = (void(*)(Display*,GlyphSet))pFunc;
121
122 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderAddGlyphs" );
123 if( !pFunc ) return;
124 mpXRenderAddGlyphs = (void(*)(Display*,GlyphSet,Glyph*,const XGlyphInfo*,
125 int,const char*,int))pFunc;
126
127 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreeGlyphs" );
128 if( !pFunc ) return;
129 mpXRenderFreeGlyphs = (void(*)(Display*,GlyphSet,Glyph*,int))pFunc;
130
131 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCompositeString32" );
132 if( !pFunc ) return;
133 mpXRenderCompositeString32 = (void(*)(Display*,int,Picture,Picture,
134 const XRenderPictFormat*,GlyphSet,int,int,int,int,const unsigned*,int))pFunc;
135
136 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCreatePicture" );
137 if( !pFunc ) return;
138 mpXRenderCreatePicture = (Picture(*)(Display*,Drawable,const XRenderPictFormat*,
139 unsigned long,const XRenderPictureAttributes*))pFunc;
140
141 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderChangePicture" );
142 if( !pFunc ) return;
143 mpXRenderChangePicture = (void(*)(Display*,Picture,unsigned long,const XRenderPictureAttributes*))pFunc;
144
145 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderSetPictureClipRegion" );
146 if( !pFunc ) return;
147 mpXRenderSetPictureClipRegion = (void(*)(Display*,Picture,XLIB_Region))pFunc;
148
149 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFreePicture" );
150 if( !pFunc ) return;
151 mpXRenderFreePicture = (void(*)(Display*,Picture))pFunc;
152
153 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderComposite" );
154 if( !pFunc ) return;
155 mpXRenderComposite = (void(*)(Display*,int,Picture,Picture,Picture,
156 int,int,int,int,int,int,unsigned,unsigned))pFunc;
157
158 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderFillRectangle" );
159 if( !pFunc ) return;
160 mpXRenderFillRectangle = (void(*)(Display*,int,Picture,const XRenderColor*,
161 int,int,unsigned int,unsigned int))pFunc;
162
163 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderCompositeTrapezoids" );
164 #if 0 // not having trapezoid support is supported
165 if( !pFunc ) return;
166 #endif
167 mpXRenderCompositeTrapezoids = (void(*)(Display*,int,Picture,Picture,
168 const XRenderPictFormat*,int,int,const XTrapezoid*,int))pFunc;
169
170 pFunc = osl_getAsciiFunctionSymbol( mpRenderLib, "XRenderAddTraps" );
171 #if 0 // not having trapezoid support is supported
172 if( !pFunc ) return;
173 #endif
174 mpXRenderAddTraps = (void(*)(Display*,Picture,int,int,const _XTrap*,int))pFunc;
175
176 #endif // XRENDER_LINK
177
178 // needed to initialize libXrender internals, we already know its there
179 #ifdef XRENDER_LINK
180 XRenderQueryExtension( mpDisplay, &nDummy, &nDummy );
181 #else
182 (*mpXRenderQueryExtension)( mpDisplay, &nDummy, &nDummy );
183 #endif
184
185 int nMajor, nMinor;
186 #ifdef XRENDER_LINK
187 XRenderQueryVersion( mpDisplay, &nMajor, &nMinor );
188 #else
189 (*mpXRenderQueryVersion)( mpDisplay, &nMajor, &nMinor );
190 #endif
191 mnRenderVersion = 16*nMajor + nMinor;
192
193 // the 8bit alpha mask format must be there
194 XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
195 mpStandardFormatA8 = FindPictureFormat( PictFormatAlphaMask|PictFormatDepth, aPictFormat );
196 }
197
198 // ---------------------------------------------------------------------------
199
200 // return mask of screens capable of XRENDER text
InitRenderText()201 sal_uInt32 XRenderPeer::InitRenderText()
202 {
203 if( mnRenderVersion < 0x01 )
204 return 0;
205
206 // #93033# disable XRENDER for old RENDER versions if XINERAMA is present
207 int nDummy;
208 if( XQueryExtension( mpDisplay, "XINERAMA", &nDummy, &nDummy, &nDummy ) )
209 if( mnRenderVersion < 0x02 )
210 return 0;
211
212 if( !mpStandardFormatA8 )
213 return 0;
214
215 // and the visual must be supported too on at least one screen
216 sal_uInt32 nRetMask = 0;
217 SalDisplay* pSalDisp = GetX11SalData()->GetDisplay();
218 const int nScreenCount = pSalDisp->GetScreenCount();
219 XRenderPictFormat* pVisualFormat = NULL;
220 int nMaxDepth = 0;
221 for( int nScreen = 0; nScreen < nScreenCount; ++nScreen )
222 {
223 Visual* pXVisual = pSalDisp->GetVisual( nScreen ).GetVisual();
224 pVisualFormat = FindVisualFormat( pXVisual );
225 if( pVisualFormat != NULL )
226 {
227 int nVDepth = pSalDisp->GetVisual( nScreen ).GetDepth();
228 if( nVDepth > nMaxDepth )
229 nMaxDepth = nVDepth;
230 nRetMask |= 1U << nScreen;
231 }
232 }
233
234 // #97763# disable XRENDER on <15bit displays for XFree<=4.2.0
235 if( mnRenderVersion <= 0x02 )
236 if( nMaxDepth < 15 )
237 nRetMask = 0;
238
239 return nRetMask;
240 }
241
242 // ---------------------------------------------------------------------------
243