2 * Graphics driver management functions
4 * Copyright 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "win16drv/win16drv.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(driver);
32 struct graphics_driver
34 struct graphics_driver *next;
35 struct graphics_driver *prev;
36 HMODULE module; /* module handle */
37 unsigned int count; /* reference count */
41 static struct graphics_driver *first_driver;
42 static struct graphics_driver *display_driver;
43 static const DC_FUNCTIONS *win16_driver;
44 static CRITICAL_SECTION driver_section = CRITICAL_SECTION_INIT( "driver_section" );
46 /**********************************************************************
49 * Allocate and fill the driver structure for a given module.
51 static struct graphics_driver *create_driver( HMODULE module )
53 struct graphics_driver *driver;
55 if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
58 driver->module = module;
61 /* fill the function table */
63 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
73 GET_FUNC(ChoosePixelFormat);
75 GET_FUNC(CloseFigure);
76 GET_FUNC(CreateBitmap);
78 GET_FUNC(CreateDIBSection);
80 GET_FUNC(DeleteObject);
81 GET_FUNC(DescribePixelFormat);
82 GET_FUNC(DeviceCapabilities);
87 GET_FUNC(EnumDeviceFonts);
88 GET_FUNC(ExcludeClipRect);
89 GET_FUNC(ExtDeviceMode);
91 GET_FUNC(ExtFloodFill);
95 GET_FUNC(FlattenPath);
97 GET_FUNC(GetCharWidth);
99 GET_FUNC(GetDIBColorTable);
101 GET_FUNC(GetDeviceCaps);
102 GET_FUNC(GetDeviceGammaRamp);
104 GET_FUNC(GetPixelFormat);
105 GET_FUNC(GetTextExtentPoint);
106 GET_FUNC(GetTextMetrics);
107 GET_FUNC(IntersectClipRect);
111 GET_FUNC(OffsetClipRgn);
112 GET_FUNC(OffsetViewportOrg);
113 GET_FUNC(OffsetWindowOrg);
117 GET_FUNC(PolyBezier);
118 GET_FUNC(PolyBezierTo);
120 GET_FUNC(PolyPolygon);
121 GET_FUNC(PolyPolyline);
124 GET_FUNC(PolylineTo);
125 GET_FUNC(RealizePalette);
130 GET_FUNC(ScaleViewportExt);
131 GET_FUNC(ScaleWindowExt);
132 GET_FUNC(SelectBitmap);
133 GET_FUNC(SelectBrush);
134 GET_FUNC(SelectClipPath);
135 GET_FUNC(SelectClipRgn);
136 GET_FUNC(SelectFont);
137 GET_FUNC(SelectPalette);
139 GET_FUNC(SetBkColor);
141 GET_FUNC(SetDIBColorTable);
143 GET_FUNC(SetDIBitsToDevice);
144 GET_FUNC(SetDeviceClipping);
145 GET_FUNC(SetDeviceGammaRamp);
146 GET_FUNC(SetMapMode);
147 GET_FUNC(SetMapperFlags);
149 GET_FUNC(SetPixelFormat);
150 GET_FUNC(SetPolyFillMode);
153 GET_FUNC(SetStretchBltMode);
154 GET_FUNC(SetTextAlign);
155 GET_FUNC(SetTextCharacterExtra);
156 GET_FUNC(SetTextColor);
157 GET_FUNC(SetTextJustification);
158 GET_FUNC(SetViewportExt);
159 GET_FUNC(SetViewportOrg);
160 GET_FUNC(SetWindowExt);
161 GET_FUNC(SetWindowOrg);
164 GET_FUNC(StretchBlt);
165 GET_FUNC(StretchDIBits);
166 GET_FUNC(StrokeAndFillPath);
167 GET_FUNC(StrokePath);
168 GET_FUNC(SwapBuffers);
172 /* add it to the list */
174 if ((driver->next = first_driver)) driver->next->prev = driver;
175 first_driver = driver;
180 /**********************************************************************
181 * load_display_driver
183 * Special case for loading the display driver: get the name from the config file
185 static struct graphics_driver *load_display_driver(void)
187 char buffer[MAX_PATH];
191 if (display_driver) /* already loaded */
193 display_driver->count++;
194 return display_driver;
197 strcpy( buffer, "x11drv" ); /* default value */
198 if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Wine", &hkey ))
200 DWORD type, count = sizeof(buffer);
201 RegQueryValueExA( hkey, "GraphicsDriver", 0, &type, buffer, &count );
205 if (!(module = LoadLibraryA( buffer )))
207 MESSAGE( "Could not load graphics driver '%s'\n", buffer );
211 if (!(display_driver = create_driver( module )))
213 MESSAGE( "Could not create graphics driver '%s'\n", buffer );
214 FreeLibrary( module );
218 display_driver->count++; /* we don't want to free it */
219 return display_driver;
223 /**********************************************************************
226 const DC_FUNCTIONS *DRIVER_load_driver( LPCSTR name )
229 struct graphics_driver *driver;
231 RtlEnterCriticalSection( &driver_section );
233 /* display driver is a special case */
234 if (!strcasecmp( name, "display" ))
236 driver = load_display_driver();
237 RtlLeaveCriticalSection( &driver_section );
238 return &driver->funcs;
241 if ((module = GetModuleHandleA( name )))
243 for (driver = first_driver; driver; driver = driver->next)
245 if (driver->module == module)
248 RtlLeaveCriticalSection( &driver_section );
249 return &driver->funcs;
254 if (!(module = LoadLibraryA( name )))
256 if (!win16_driver) win16_driver = WIN16DRV_Init();
257 RtlLeaveCriticalSection( &driver_section );
261 if (!(driver = create_driver( module )))
263 FreeLibrary( module );
264 RtlLeaveCriticalSection( &driver_section );
268 TRACE( "loaded driver %p for %s\n", driver, name );
269 RtlLeaveCriticalSection( &driver_section );
270 return &driver->funcs;
274 /**********************************************************************
277 * Get a new copy of an existing driver.
279 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
281 struct graphics_driver *driver;
283 RtlEnterCriticalSection( &driver_section );
284 if (funcs != win16_driver)
286 for (driver = first_driver; driver; driver = driver->next)
287 if (&driver->funcs == funcs) break;
288 if (!driver) ERR( "driver not found, trouble ahead\n" );
291 RtlLeaveCriticalSection( &driver_section );
296 /**********************************************************************
297 * DRIVER_release_driver
299 * Release a driver by decrementing ref count and freeing it if needed.
301 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
303 struct graphics_driver *driver;
305 RtlEnterCriticalSection( &driver_section );
307 if (funcs == win16_driver) goto done;
309 for (driver = first_driver; driver; driver = driver->next)
310 if (&driver->funcs == funcs) break;
312 if (!driver) goto done;
313 if (--driver->count) goto done;
315 /* removed last reference, free it */
316 if (driver->next) driver->next->prev = driver->prev;
317 if (driver->prev) driver->prev->next = driver->next;
318 else first_driver = driver->next;
319 if (driver == display_driver) display_driver = NULL;
321 FreeLibrary( driver->module );
322 HeapFree( GetProcessHeap(), 0, driver );
324 RtlLeaveCriticalSection( &driver_section );
328 /*****************************************************************************
329 * DRIVER_GetDriverName
332 BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size )
335 size = GetProfileStringA("devices", device, "", driver, size);
337 WARN("Unable to find '%s' in [devices] section of win.ini\n", device);
340 p = strchr(driver, ',');
343 WARN("'%s' entry in [devices] section of win.ini is malformed.\n", device);
347 TRACE("Found '%s' for '%s'\n", driver, device);
351 /*****************************************************************************
354 * This should thunk to 16-bit and simply call the proc with the given args.
356 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
357 LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
359 FIXME("(%p, %04x, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
363 /*****************************************************************************
366 * This should load the correct driver for lpszDevice and calls this driver's
367 * ExtDeviceModePropSheet proc.
369 * Note: The driver calls a callback routine for each property sheet page; these
370 * pages are supposed to be filled into the structure pointed to by lpPropSheet.
371 * The layout of this structure is:
377 * HPROPSHEETPAGE pages[10];
380 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
381 LPCSTR lpszPort, LPVOID lpPropSheet )
383 FIXME("(%04x, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
387 /*****************************************************************************
390 * This should load the correct driver for lpszDevice and calls this driver's
391 * ExtDeviceMode proc.
393 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
394 LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
395 LPSTR lpszPort, LPDEVMODEA lpdmInput,
396 LPSTR lpszProfile, DWORD fwMode )
402 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
404 TRACE("(%04x, %p, %s, %s, %p, %s, %ld)\n",
405 hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
407 if(!DRIVER_GetDriverName( lpszDevice, buf, sizeof(buf) )) return -1;
409 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
411 if ((dc = DC_GetDCPtr( hdc )))
413 pExtDeviceMode = dc->funcs->pExtDeviceMode;
414 GDI_ReleaseObj( hdc );
416 ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
417 lpdmInput, lpszProfile, fwMode);
423 /****************************************************************************
426 * This should load the correct driver for lpszDevice and calls this driver's
427 * AdvancedSetupDialog proc.
429 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
430 LPDEVMODEA devin, LPDEVMODEA devout )
432 TRACE("(%04x, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
436 /*****************************************************************************
439 * This should load the correct driver for lpszDevice and calls this driver's
440 * DeviceCapabilities proc.
442 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
443 WORD fwCapability, LPSTR lpszOutput,
451 TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
453 if(!DRIVER_GetDriverName( lpszDevice, buf, sizeof(buf) )) return -1;
455 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
457 if ((dc = DC_GetDCPtr( hdc )))
459 if (dc->funcs->pDeviceCapabilities)
460 ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
461 fwCapability, lpszOutput, lpdm );
462 GDI_ReleaseObj( hdc );