2 * Graphics driver management functions
4 * Copyright 1994 Bob Amstadt
5 * Copyright 1996, 2001 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
33 #include "gdi_private.h"
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(driver);
39 struct graphics_driver
41 struct graphics_driver *next;
42 struct graphics_driver *prev;
43 HMODULE module; /* module handle */
44 unsigned int count; /* reference count */
48 static struct graphics_driver *first_driver;
49 static struct graphics_driver *display_driver;
51 static CRITICAL_SECTION driver_section;
52 static CRITICAL_SECTION_DEBUG critsect_debug =
54 0, 0, &driver_section,
55 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
56 0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
58 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
60 /**********************************************************************
63 * Allocate and fill the driver structure for a given module.
65 static struct graphics_driver *create_driver( HMODULE module )
67 struct graphics_driver *driver;
69 if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
72 driver->module = module;
75 /* fill the function table */
78 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
87 GET_FUNC(ChoosePixelFormat);
89 GET_FUNC(CloseFigure);
90 GET_FUNC(CreateBitmap);
92 GET_FUNC(CreateDIBSection);
93 GET_FUNC(DeleteBitmap);
95 GET_FUNC(DescribePixelFormat);
96 GET_FUNC(DeviceCapabilities);
101 GET_FUNC(EnumDeviceFonts);
102 GET_FUNC(ExcludeClipRect);
103 GET_FUNC(ExtDeviceMode);
105 GET_FUNC(ExtFloodFill);
106 GET_FUNC(ExtSelectClipRgn);
107 GET_FUNC(ExtTextOut);
110 GET_FUNC(FlattenPath);
112 GET_FUNC(GdiComment);
113 GET_FUNC(GetBitmapBits);
114 GET_FUNC(GetCharWidth);
115 GET_FUNC(GetDCOrgEx);
116 GET_FUNC(GetDIBColorTable);
118 GET_FUNC(GetDeviceCaps);
119 GET_FUNC(GetDeviceGammaRamp);
120 GET_FUNC(GetNearestColor);
122 GET_FUNC(GetPixelFormat);
123 GET_FUNC(GetSystemPaletteEntries);
124 GET_FUNC(GetTextExtentExPoint);
125 GET_FUNC(GetTextMetrics);
126 GET_FUNC(IntersectClipRect);
130 GET_FUNC(ModifyWorldTransform);
131 GET_FUNC(OffsetClipRgn);
132 GET_FUNC(OffsetViewportOrg);
133 GET_FUNC(OffsetWindowOrg);
137 GET_FUNC(PolyBezier);
138 GET_FUNC(PolyBezierTo);
140 GET_FUNC(PolyPolygon);
141 GET_FUNC(PolyPolyline);
144 GET_FUNC(PolylineTo);
145 GET_FUNC(RealizeDefaultPalette);
146 GET_FUNC(RealizePalette);
152 GET_FUNC(ScaleViewportExt);
153 GET_FUNC(ScaleWindowExt);
154 GET_FUNC(SelectBitmap);
155 GET_FUNC(SelectBrush);
156 GET_FUNC(SelectClipPath);
157 GET_FUNC(SelectFont);
158 GET_FUNC(SelectPalette);
160 GET_FUNC(SetArcDirection);
161 GET_FUNC(SetBitmapBits);
162 GET_FUNC(SetBkColor);
164 GET_FUNC(SetDCBrushColor);
166 GET_FUNC(SetDCPenColor);
167 GET_FUNC(SetDIBColorTable);
169 GET_FUNC(SetDIBitsToDevice);
170 GET_FUNC(SetDeviceClipping);
171 GET_FUNC(SetDeviceGammaRamp);
172 GET_FUNC(SetMapMode);
173 GET_FUNC(SetMapperFlags);
175 GET_FUNC(SetPixelFormat);
176 GET_FUNC(SetPolyFillMode);
179 GET_FUNC(SetStretchBltMode);
180 GET_FUNC(SetTextAlign);
181 GET_FUNC(SetTextCharacterExtra);
182 GET_FUNC(SetTextColor);
183 GET_FUNC(SetTextJustification);
184 GET_FUNC(SetViewportExt);
185 GET_FUNC(SetViewportOrg);
186 GET_FUNC(SetWindowExt);
187 GET_FUNC(SetWindowOrg);
188 GET_FUNC(SetWorldTransform);
191 GET_FUNC(StretchBlt);
192 GET_FUNC(StretchDIBits);
193 GET_FUNC(StrokeAndFillPath);
194 GET_FUNC(StrokePath);
195 GET_FUNC(SwapBuffers);
199 GET_FUNC(wglCreateContext);
200 GET_FUNC(wglDeleteContext);
201 GET_FUNC(wglGetProcAddress);
202 GET_FUNC(wglGetPbufferDCARB);
203 GET_FUNC(wglMakeContextCurrentARB);
204 GET_FUNC(wglMakeCurrent);
205 GET_FUNC(wglShareLists);
206 GET_FUNC(wglUseFontBitmapsA);
207 GET_FUNC(wglUseFontBitmapsW);
210 else memset( &driver->funcs, 0, sizeof(driver->funcs) );
212 /* add it to the list */
214 if ((driver->next = first_driver)) driver->next->prev = driver;
215 first_driver = driver;
220 /**********************************************************************
221 * load_display_driver
223 * Special case for loading the display driver: get the name from the config file
225 static struct graphics_driver *load_display_driver(void)
227 char buffer[MAX_PATH], libname[32], *name, *next;
231 if (display_driver) /* already loaded */
233 display_driver->count++;
234 return display_driver;
237 strcpy( buffer, "x11" ); /* default value */
238 /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
239 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
241 DWORD type, count = sizeof(buffer);
242 RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
249 next = strchr( name, ',' );
250 if (next) *next++ = 0;
252 snprintf( libname, sizeof(libname), "wine%s.drv", name );
253 if ((module = LoadLibraryA( libname )) != 0) break;
257 if (!(display_driver = create_driver( module )))
259 MESSAGE( "Could not create graphics driver '%s'\n", buffer );
260 FreeLibrary( module );
264 display_driver->count++; /* we don't want to free it */
265 return display_driver;
269 /**********************************************************************
272 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
275 struct graphics_driver *driver;
276 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
277 static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
279 EnterCriticalSection( &driver_section );
281 /* display driver is a special case */
282 if (!strcmpiW( name, displayW ) ||
283 !strcmpiW( name, display1W ))
285 driver = load_display_driver();
286 LeaveCriticalSection( &driver_section );
287 return &driver->funcs;
290 if ((module = GetModuleHandleW( name )))
292 for (driver = first_driver; driver; driver = driver->next)
294 if (driver->module == module)
297 LeaveCriticalSection( &driver_section );
298 return &driver->funcs;
303 if (!(module = LoadLibraryW( name )))
305 LeaveCriticalSection( &driver_section );
309 if (!(driver = create_driver( module )))
311 FreeLibrary( module );
312 LeaveCriticalSection( &driver_section );
316 TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
317 LeaveCriticalSection( &driver_section );
318 return &driver->funcs;
322 /**********************************************************************
325 * Get a new copy of an existing driver.
327 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
329 struct graphics_driver *driver;
331 EnterCriticalSection( &driver_section );
332 for (driver = first_driver; driver; driver = driver->next)
333 if (&driver->funcs == funcs) break;
334 if (!driver) ERR( "driver not found, trouble ahead\n" );
336 LeaveCriticalSection( &driver_section );
341 /**********************************************************************
342 * DRIVER_release_driver
344 * Release a driver by decrementing ref count and freeing it if needed.
346 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
348 struct graphics_driver *driver;
350 EnterCriticalSection( &driver_section );
352 for (driver = first_driver; driver; driver = driver->next)
353 if (&driver->funcs == funcs) break;
355 if (!driver) goto done;
356 if (--driver->count) goto done;
358 /* removed last reference, free it */
359 if (driver->next) driver->next->prev = driver->prev;
360 if (driver->prev) driver->prev->next = driver->next;
361 else first_driver = driver->next;
362 if (driver == display_driver) display_driver = NULL;
364 FreeLibrary( driver->module );
365 HeapFree( GetProcessHeap(), 0, driver );
367 LeaveCriticalSection( &driver_section );
371 /*****************************************************************************
372 * DRIVER_GetDriverName
375 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
377 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
378 static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
379 static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
380 static const WCHAR empty_strW[] = { 0 };
383 /* display is a special case */
384 if (!strcmpiW( device, displayW ) ||
385 !strcmpiW( device, display1W ))
387 lstrcpynW( driver, displayW, size );
391 size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
393 WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
396 p = strchrW(driver, ',');
399 WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
403 TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
408 /***********************************************************************
409 * GdiConvertToDevmodeW (GDI32.@)
411 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
416 dmW_size = dmA->dmSize + CCHDEVICENAME;
417 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
418 dmW_size += CCHFORMNAME;
420 dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
421 if (!dmW) return NULL;
423 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, CCHDEVICENAME,
424 dmW->dmDeviceName, CCHDEVICENAME);
425 /* copy slightly more, to avoid long computations */
426 memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA->dmSize - CCHDEVICENAME);
428 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
430 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, CCHFORMNAME,
431 dmW->dmFormName, CCHFORMNAME);
432 if (dmA->dmSize > (const char *)&dmA->dmLogPixels - (const char *)dmA)
433 memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA->dmSize - ((const char *)&dmA->dmLogPixels - (const char *)dmA));
436 if (dmA->dmDriverExtra)
437 memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA->dmSize, dmA->dmDriverExtra);
439 dmW->dmSize = dmW_size;
445 /*****************************************************************************
448 * This should thunk to 16-bit and simply call the proc with the given args.
450 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
451 LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
453 FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
457 /*****************************************************************************
460 * This should load the correct driver for lpszDevice and calls this driver's
461 * ExtDeviceModePropSheet proc.
463 * Note: The driver calls a callback routine for each property sheet page; these
464 * pages are supposed to be filled into the structure pointed to by lpPropSheet.
465 * The layout of this structure is:
471 * HPROPSHEETPAGE pages[10];
474 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
475 LPCSTR lpszPort, LPVOID lpPropSheet )
477 FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
481 /*****************************************************************************
484 * This should load the correct driver for lpszDevice and calls this driver's
485 * ExtDeviceMode proc.
487 * FIXME: convert ExtDeviceMode to unicode in the driver interface
489 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
490 LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
491 LPSTR lpszPort, LPDEVMODEA lpdmInput,
492 LPSTR lpszProfile, DWORD fwMode )
500 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
502 TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
503 hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
505 if (!lpszDevice) return -1;
506 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
508 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
510 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
512 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
514 if ((dc = DC_GetDCPtr( hdc )))
516 pExtDeviceMode = dc->funcs->pExtDeviceMode;
517 GDI_ReleaseObj( hdc );
519 ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
520 lpdmInput, lpszProfile, fwMode);
526 /****************************************************************************
529 * This should load the correct driver for lpszDevice and calls this driver's
530 * AdvancedSetupDialog proc.
532 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
533 LPDEVMODEA devin, LPDEVMODEA devout )
535 TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
539 /*****************************************************************************
542 * This should load the correct driver for lpszDevice and calls this driver's
543 * DeviceCapabilities proc.
545 * FIXME: convert DeviceCapabilities to unicode in the driver interface
547 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
548 WORD fwCapability, LPSTR lpszOutput,
558 TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
560 if (!lpszDevice) return -1;
561 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
563 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
565 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
567 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
569 if ((dc = DC_GetDCPtr( hdc )))
571 if (dc->funcs->pDeviceCapabilities)
572 ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
573 fwCapability, lpszOutput, lpdm );
574 GDI_ReleaseObj( hdc );
581 /************************************************************************
584 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
592 return AbortDoc( hdc );
595 return EndDoc( hdc );
597 case GETPHYSPAGESIZE:
599 pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
600 pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
603 case GETPRINTINGOFFSET:
605 pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
606 pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
609 case GETSCALINGFACTOR:
611 pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
612 pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
616 return EndPage( hdc );
619 return SetAbortProc( hdc, (ABORTPROC)in_data );
626 /* in_data may not be 0 terminated so we must copy it */
629 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
630 memcpy( name, in_data, in_count );
633 /* out_data is actually a pointer to the DocInfo structure and used as
634 * a second input parameter */
635 if (out_data) doc = *(DOCINFOA *)out_data;
638 doc.cbSize = sizeof(doc);
639 doc.lpszOutput = NULL;
640 doc.lpszDatatype = NULL;
643 doc.lpszDocName = name;
644 ret = StartDocA( hdc, &doc );
645 HeapFree( GetProcessHeap(), 0, name );
646 if (ret > 0) ret = StartPage( hdc );
650 case QUERYESCSUPPORT:
652 const INT *ptr = (const INT *)in_data;
653 if (in_count < sizeof(INT)) return 0;
658 case GETPHYSPAGESIZE:
659 case GETPRINTINGOFFSET:
660 case GETSCALINGFACTOR:
662 case QUERYESCSUPPORT:
671 /* if not handled internally, pass it to the driver */
672 return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
676 /******************************************************************************
677 * ExtEscape [GDI32.@]
679 * Access capabilities of a particular device that are not available through GDI.
682 * hdc [I] Handle to device context
683 * nEscape [I] Escape function
684 * cbInput [I] Number of bytes in input structure
685 * lpszInData [I] Pointer to input structure
686 * cbOutput [I] Number of bytes in output structure
687 * lpszOutData [O] Pointer to output structure
694 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
695 INT cbOutput, LPSTR lpszOutData )
698 DC * dc = DC_GetDCPtr( hdc );
701 if (dc->funcs->pExtEscape)
702 ret = dc->funcs->pExtEscape( dc->physDev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
703 GDI_ReleaseObj( hdc );
709 /*******************************************************************
710 * DrawEscape [GDI32.@]
714 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
716 FIXME("DrawEscape, stub\n");