dlls/winex11.drv/init.c

   1 /*
   2  * X11 graphics driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   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.
  10  *
  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.
  15  *
  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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "x11drv.h"
  30 #include "x11font.h"
  31 #include "ddrawi.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  35
  36 Display *gdi_display;  /* display to use for all GDI functions */
  37
  38 /* a few dynamic device caps */
  39 static int log_pixels_x;  /* pixels per logical inch in x direction */
  40 static int log_pixels_y;  /* pixels per logical inch in y direction */
  41 static int horz_size;     /* horz. size of screen in millimeters */
  42 static int vert_size;     /* vert. size of screen in millimeters */
  43 static int palette_size;
  44 static int device_init_done;
  45 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
  46                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
  47                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
  48                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
  49
  50
  51 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  52 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  53
  54
  55 /******************************************************************************
  56  *      get_dpi
  57  *
  58  * get the dpi from the registry
  59  */
  60 static DWORD get_dpi( void )
  61 {
  62     DWORD dpi = 96;
  63     HKEY hkey;
  64
  65     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  66     {
  67         DWORD type, size, new_dpi;
  68
  69         size = sizeof(new_dpi);
  70         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  71         {
  72             if(type == REG_DWORD && new_dpi != 0)
  73                 dpi = new_dpi;
  74         }
  75         RegCloseKey(hkey);
  76     }
  77     return dpi;
  78 }
  79
  80 /**********************************************************************
  81  *           device_init
  82  *
  83  * Perform initializations needed upon creation of the first device.
  84  */
  85 static void device_init(void)
  86 {
  87     device_init_done = TRUE;
  88
  89     /* Initialize XRender */
  90     X11DRV_XRender_Init();
  91
  92     /* Init Xcursor */
  93     X11DRV_Xcursor_Init();
  94
  95     palette_size = X11DRV_PALETTE_Init();
  96
  97     X11DRV_BITMAP_Init();
  98
  99     /* Initialize device caps */
 100     log_pixels_x = log_pixels_y = get_dpi();
 101     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
 102     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
 103
 104     /* Initialize fonts and text caps */
 105     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
 106 }
 107
 108 /**********************************************************************
 109  *           X11DRV_GDI_Finalize
 110  */
 111 void X11DRV_GDI_Finalize(void)
 112 {
 113     X11DRV_PALETTE_Cleanup();
 114     /* don't bother to close the display, it often triggers X bugs */
 115     /* XCloseDisplay( gdi_display ); */
 116 }
 117
 118 /**********************************************************************
 119  *           X11DRV_CreateDC
 120  */
 121 BOOL CDECL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
 122                             LPCWSTR output, const DEVMODEW* initData )
 123 {
 124     X11DRV_PDEVICE *physDev;
 125
 126     if (!device_init_done) device_init();
 127
 128     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
 129     if (!physDev) return FALSE;
 130
 131     *pdev = physDev;
 132     physDev->hdc = hdc;
 133
 134     if (GetObjectType( hdc ) == OBJ_MEMDC)
 135     {
 136         if (!BITMAP_stock_phys_bitmap.hbitmap)
 137             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
 138         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
 139         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
 140         physDev->depth     = 1;
 141         SetRect( &physDev->drawable_rect, 0, 0, 1, 1 );
 142         physDev->dc_rect = physDev->drawable_rect;
 143     }
 144     else
 145     {
 146         physDev->bitmap    = NULL;
 147         physDev->drawable  = root_window;
 148         physDev->depth     = screen_depth;
 149         physDev->drawable_rect = virtual_screen_rect;
 150         SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
 151                  virtual_screen_rect.bottom - virtual_screen_rect.top );
 152     }
 153     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 154
 155     wine_tsx11_lock();
 156     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 157     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 158     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 159     XFlush( gdi_display );
 160     wine_tsx11_unlock();
 161     return TRUE;
 162 }
 163
 164
 165 /**********************************************************************
 166  *           X11DRV_DeleteDC
 167  */
 168 BOOL CDECL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 169 {
 170     if(physDev->xrender)
 171       X11DRV_XRender_DeleteDC( physDev );
 172     DeleteObject( physDev->region );
 173     wine_tsx11_lock();
 174     XFreeGC( gdi_display, physDev->gc );
 175     wine_tsx11_unlock();
 176     HeapFree( GetProcessHeap(), 0, physDev );
 177     return TRUE;
 178 }
 179
 180
 181 /***********************************************************************
 182  *           GetDeviceCaps    (X11DRV.@)
 183  */
 184 INT CDECL X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 185 {
 186     switch(cap)
 187     {
 188     case DRIVERVERSION:
 189         return 0x300;
 190     case TECHNOLOGY:
 191         return DT_RASDISPLAY;
 192     case HORZSIZE:
 193         return horz_size;
 194     case VERTSIZE:
 195         return vert_size;
 196     case HORZRES:
 197         return screen_width;
 198     case VERTRES:
 199         return screen_height;
 200     case DESKTOPHORZRES:
 201         return virtual_screen_rect.right - virtual_screen_rect.left;
 202     case DESKTOPVERTRES:
 203         return virtual_screen_rect.bottom - virtual_screen_rect.top;
 204     case BITSPIXEL:
 205         return screen_bpp;
 206     case PLANES:
 207         return 1;
 208     case NUMBRUSHES:
 209         return -1;
 210     case NUMPENS:
 211         return -1;
 212     case NUMMARKERS:
 213         return 0;
 214     case NUMFONTS:
 215         return 0;
 216     case NUMCOLORS:
 217         /* MSDN: Number of entries in the device's color table, if the device has
 218          * a color depth of no more than 8 bits per pixel.For devices with greater
 219          * color depths, -1 is returned. */
 220         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 221     case PDEVICESIZE:
 222         return sizeof(X11DRV_PDEVICE);
 223     case CURVECAPS:
 224         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 225                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 226     case LINECAPS:
 227         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 228                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 229     case POLYGONALCAPS:
 230         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 231                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 232     case TEXTCAPS:
 233         return text_caps;
 234     case CLIPCAPS:
 235         return CP_REGION;
 236     case RASTERCAPS:
 237         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 238                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 239                 (palette_size ? RC_PALETTE : 0));
 240     case SHADEBLENDCAPS:
 241         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 242     case ASPECTX:
 243     case ASPECTY:
 244         return 36;
 245     case ASPECTXY:
 246         return 51;
 247     case LOGPIXELSX:
 248         return log_pixels_x;
 249     case LOGPIXELSY:
 250         return log_pixels_y;
 251     case CAPS1:
 252         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 253         /* please see wingdi.h for the possible bit-flag values that need
 254            to be returned. */
 255         return 0;
 256     case SIZEPALETTE:
 257         return palette_size;
 258     case NUMRESERVED:
 259     case COLORRES:
 260     case PHYSICALWIDTH:
 261     case PHYSICALHEIGHT:
 262     case PHYSICALOFFSETX:
 263     case PHYSICALOFFSETY:
 264     case SCALINGFACTORX:
 265     case SCALINGFACTORY:
 266     case VREFRESH:
 267     case BLTALIGNMENT:
 268         return 0;
 269     default:
 270         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 271         return 0;
 272     }
 273 }
 274
 275
 276 /**********************************************************************
 277  *           ExtEscape  (X11DRV.@)
 278  */
 279 INT CDECL X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 280                             INT out_count, LPVOID out_data )
 281 {
 282     switch(escape)
 283     {
 284     case QUERYESCSUPPORT:
 285         if (in_data)
 286         {
 287             switch (*(const INT *)in_data)
 288             {
 289             case DCICOMMAND:
 290                 return DD_HAL_VERSION;
 291             case X11DRV_ESCAPE:
 292                 return TRUE;
 293             }
 294         }
 295         break;
 296
 297     case DCICOMMAND:
 298         if (in_data)
 299         {
 300             const DCICMD *lpCmd = in_data;
 301             if (lpCmd->dwVersion != DD_VERSION) break;
 302             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 303         }
 304         break;
 305
 306     case X11DRV_ESCAPE:
 307         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 308         {
 309             switch(*(const enum x11drv_escape_codes *)in_data)
 310             {
 311             case X11DRV_GET_DISPLAY:
 312                 if (out_count >= sizeof(Display *))
 313                 {
 314                     *(Display **)out_data = gdi_display;
 315                     return TRUE;
 316                 }
 317                 break;
 318             case X11DRV_GET_DRAWABLE:
 319                 if (out_count >= sizeof(Drawable))
 320                 {
 321                     *(Drawable *)out_data = physDev->drawable;
 322                     return TRUE;
 323                 }
 324                 break;
 325             case X11DRV_GET_FONT:
 326                 if (out_count >= sizeof(Font))
 327                 {
 328                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 329                     if (pfo == NULL) return FALSE;
 330                     *(Font *)out_data = pfo->fs->fid;
 331                     return TRUE;
 332                 }
 333                 break;
 334             case X11DRV_SET_DRAWABLE:
 335                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 336                 {
 337                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
 338                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 339                     physDev->dc_rect = data->dc_rect;
 340                     physDev->drawable = data->drawable;
 341                     physDev->drawable_rect = data->drawable_rect;
 342                     physDev->current_pf = pixelformat_from_fbconfig_id( data->fbconfig_id );
 343                     physDev->gl_drawable = data->gl_drawable;
 344                     physDev->pixmap = data->pixmap;
 345                     physDev->gl_copy = data->gl_copy;
 346                     wine_tsx11_lock();
 347                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 348                     wine_tsx11_unlock();
 349                     TRACE( "SET_DRAWABLE hdc %p drawable %lx gl_drawable %lx pf %u dc_rect %s drawable_rect %s\n",
 350                            physDev->hdc, physDev->drawable, physDev->gl_drawable, physDev->current_pf,
 351                            wine_dbgstr_rect(&physDev->dc_rect), wine_dbgstr_rect(&physDev->drawable_rect) );
 352                     return TRUE;
 353                 }
 354                 break;
 355             case X11DRV_START_EXPOSURES:
 356                 wine_tsx11_lock();
 357                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 358                 wine_tsx11_unlock();
 359                 physDev->exposures = 0;
 360                 return TRUE;
 361             case X11DRV_END_EXPOSURES:
 362                 if (out_count >= sizeof(HRGN))
 363                 {
 364                     HRGN hrgn = 0, tmp = 0;
 365
 366                     wine_tsx11_lock();
 367                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 368                     wine_tsx11_unlock();
 369                     if (physDev->exposures)
 370                     {
 371                         for (;;)
 372                         {
 373                             XEvent event;
 374
 375                             wine_tsx11_lock();
 376                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 377                             wine_tsx11_unlock();
 378                             if (event.type == NoExpose) break;
 379                             if (event.type == GraphicsExpose)
 380                             {
 381                                 int x = event.xgraphicsexpose.x - physDev->dc_rect.left;
 382                                 int y = event.xgraphicsexpose.y - physDev->dc_rect.top;
 383
 384                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 385                                        event.xgraphicsexpose.width,
 386                                        event.xgraphicsexpose.height,
 387                                        event.xgraphicsexpose.count );
 388
 389                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 390                                 SetRectRgn( tmp, x, y,
 391                                             x + event.xgraphicsexpose.width,
 392                                             y + event.xgraphicsexpose.height );
 393                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 394                                 else
 395                                 {
 396                                     hrgn = tmp;
 397                                     tmp = 0;
 398                                 }
 399                                 if (!event.xgraphicsexpose.count) break;
 400                             }
 401                             else
 402                             {
 403                                 ERR( "got unexpected event %d\n", event.type );
 404                                 break;
 405                             }
 406                         }
 407                         if (tmp) DeleteObject( tmp );
 408                     }
 409                     *(HRGN *)out_data = hrgn;
 410                     return TRUE;
 411                 }
 412                 break;
 413             case X11DRV_GET_DCE:
 414             case X11DRV_SET_DCE:
 415                 FIXME( "%x escape no longer supported\n", *(const enum x11drv_escape_codes *)in_data );
 416                 break;
 417             case X11DRV_GET_GLX_DRAWABLE:
 418                 if (out_count >= sizeof(Drawable))
 419                 {
 420                     *(Drawable *)out_data = get_glxdrawable(physDev);
 421                     return TRUE;
 422                 }
 423                 break;
 424             case X11DRV_SYNC_PIXMAP:
 425                 if(physDev->bitmap)
 426                 {
 427                     X11DRV_CoerceDIBSection(physDev, DIB_Status_GdiMod);
 428                     return TRUE;
 429                 }
 430                 return FALSE;
 431             case X11DRV_FLUSH_GL_DRAWABLE:
 432                 flush_gl_drawable(physDev);
 433                 return TRUE;
 434             }
 435         }
 436         break;
 437     }
 438     return 0;
 439 }