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         physDev->color_shifts = NULL;
 142         SetRect( &physDev->drawable_rect, 0, 0, 1, 1 );
 143         physDev->dc_rect = physDev->drawable_rect;
 144     }
 145     else
 146     {
 147         physDev->bitmap    = NULL;
 148         physDev->drawable  = root_window;
 149         physDev->depth     = screen_depth;
 150         physDev->color_shifts = &X11DRV_PALETTE_default_shifts;
 151         physDev->drawable_rect = virtual_screen_rect;
 152         SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
 153                  virtual_screen_rect.bottom - virtual_screen_rect.top );
 154     }
 155     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 156
 157     wine_tsx11_lock();
 158     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 159     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 160     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 161     XFlush( gdi_display );
 162     wine_tsx11_unlock();
 163     return TRUE;
 164 }
 165
 166
 167 /**********************************************************************
 168  *           X11DRV_DeleteDC
 169  */
 170 BOOL CDECL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 171 {
 172     if(physDev->xrender)
 173       X11DRV_XRender_DeleteDC( physDev );
 174     DeleteObject( physDev->region );
 175     wine_tsx11_lock();
 176     XFreeGC( gdi_display, physDev->gc );
 177     wine_tsx11_unlock();
 178     HeapFree( GetProcessHeap(), 0, physDev );
 179     return TRUE;
 180 }
 181
 182
 183 /***********************************************************************
 184  *           GetDeviceCaps    (X11DRV.@)
 185  */
 186 INT CDECL X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 187 {
 188     switch(cap)
 189     {
 190     case DRIVERVERSION:
 191         return 0x300;
 192     case TECHNOLOGY:
 193         return DT_RASDISPLAY;
 194     case HORZSIZE:
 195         return horz_size;
 196     case VERTSIZE:
 197         return vert_size;
 198     case HORZRES:
 199         return screen_width;
 200     case VERTRES:
 201         return screen_height;
 202     case DESKTOPHORZRES:
 203         return virtual_screen_rect.right - virtual_screen_rect.left;
 204     case DESKTOPVERTRES:
 205         return virtual_screen_rect.bottom - virtual_screen_rect.top;
 206     case BITSPIXEL:
 207         return screen_bpp;
 208     case PLANES:
 209         return 1;
 210     case NUMBRUSHES:
 211         return -1;
 212     case NUMPENS:
 213         return -1;
 214     case NUMMARKERS:
 215         return 0;
 216     case NUMFONTS:
 217         return 0;
 218     case NUMCOLORS:
 219         /* MSDN: Number of entries in the device's color table, if the device has
 220          * a color depth of no more than 8 bits per pixel.For devices with greater
 221          * color depths, -1 is returned. */
 222         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 223     case PDEVICESIZE:
 224         return sizeof(X11DRV_PDEVICE);
 225     case CURVECAPS:
 226         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 227                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 228     case LINECAPS:
 229         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 230                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 231     case POLYGONALCAPS:
 232         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 233                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 234     case TEXTCAPS:
 235         return text_caps;
 236     case CLIPCAPS:
 237         return CP_REGION;
 238     case COLORRES:
 239         /* The observed correspondence between BITSPIXEL and COLORRES is:
 240          * BITSPIXEL: 8  -> COLORRES: 18
 241          * BITSPIXEL: 16 -> COLORRES: 16
 242          * BITSPIXEL: 24 -> COLORRES: 24
 243          * (note that depth_to_bpp never chooses a bpp of 24)
 244          * BITSPIXEL: 32 -> COLORRES: 24 */
 245         return (screen_bpp <= 8) ? 18 :
 246                (screen_bpp == 32) ? 24 : screen_bpp;
 247     case RASTERCAPS:
 248         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 249                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 250                 (palette_size ? RC_PALETTE : 0));
 251     case SHADEBLENDCAPS:
 252         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 253     case ASPECTX:
 254     case ASPECTY:
 255         return 36;
 256     case ASPECTXY:
 257         return 51;
 258     case LOGPIXELSX:
 259         return log_pixels_x;
 260     case LOGPIXELSY:
 261         return log_pixels_y;
 262     case CAPS1:
 263         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 264         /* please see wingdi.h for the possible bit-flag values that need
 265            to be returned. */
 266         return 0;
 267     case SIZEPALETTE:
 268         return palette_size;
 269     case NUMRESERVED:
 270     case PHYSICALWIDTH:
 271     case PHYSICALHEIGHT:
 272     case PHYSICALOFFSETX:
 273     case PHYSICALOFFSETY:
 274     case SCALINGFACTORX:
 275     case SCALINGFACTORY:
 276     case VREFRESH:
 277     case BLTALIGNMENT:
 278         return 0;
 279     default:
 280         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 281         return 0;
 282     }
 283 }
 284
 285
 286 /**********************************************************************
 287  *           ExtEscape  (X11DRV.@)
 288  */
 289 INT CDECL X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 290                             INT out_count, LPVOID out_data )
 291 {
 292     switch(escape)
 293     {
 294     case QUERYESCSUPPORT:
 295         if (in_data)
 296         {
 297             switch (*(const INT *)in_data)
 298             {
 299             case DCICOMMAND:
 300                 return DD_HAL_VERSION;
 301             case X11DRV_ESCAPE:
 302                 return TRUE;
 303             }
 304         }
 305         break;
 306
 307     case DCICOMMAND:
 308         if (in_data)
 309         {
 310             const DCICMD *lpCmd = in_data;
 311             if (lpCmd->dwVersion != DD_VERSION) break;
 312             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 313         }
 314         break;
 315
 316     case X11DRV_ESCAPE:
 317         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 318         {
 319             switch(*(const enum x11drv_escape_codes *)in_data)
 320             {
 321             case X11DRV_GET_DISPLAY:
 322                 if (out_count >= sizeof(Display *))
 323                 {
 324                     *(Display **)out_data = gdi_display;
 325                     return TRUE;
 326                 }
 327                 break;
 328             case X11DRV_GET_DRAWABLE:
 329                 if (out_count >= sizeof(Drawable))
 330                 {
 331                     *(Drawable *)out_data = physDev->drawable;
 332                     return TRUE;
 333                 }
 334                 break;
 335             case X11DRV_GET_FONT:
 336                 if (out_count >= sizeof(Font))
 337                 {
 338                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 339                     if (pfo == NULL) return FALSE;
 340                     *(Font *)out_data = pfo->fs->fid;
 341                     return TRUE;
 342                 }
 343                 break;
 344             case X11DRV_SET_DRAWABLE:
 345                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 346                 {
 347                     const struct x11drv_escape_set_drawable *data = in_data;
 348                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 349                     physDev->dc_rect = data->dc_rect;
 350                     physDev->drawable = data->drawable;
 351                     physDev->drawable_rect = data->drawable_rect;
 352                     physDev->current_pf = pixelformat_from_fbconfig_id( data->fbconfig_id );
 353                     physDev->gl_drawable = data->gl_drawable;
 354                     physDev->pixmap = data->pixmap;
 355                     physDev->gl_copy = data->gl_copy;
 356                     wine_tsx11_lock();
 357                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 358                     wine_tsx11_unlock();
 359                     TRACE( "SET_DRAWABLE hdc %p drawable %lx gl_drawable %lx pf %u dc_rect %s drawable_rect %s\n",
 360                            physDev->hdc, physDev->drawable, physDev->gl_drawable, physDev->current_pf,
 361                            wine_dbgstr_rect(&physDev->dc_rect), wine_dbgstr_rect(&physDev->drawable_rect) );
 362                     return TRUE;
 363                 }
 364                 break;
 365             case X11DRV_START_EXPOSURES:
 366                 wine_tsx11_lock();
 367                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 368                 wine_tsx11_unlock();
 369                 physDev->exposures = 0;
 370                 return TRUE;
 371             case X11DRV_END_EXPOSURES:
 372                 if (out_count >= sizeof(HRGN))
 373                 {
 374                     HRGN hrgn = 0, tmp = 0;
 375
 376                     wine_tsx11_lock();
 377                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 378                     wine_tsx11_unlock();
 379                     if (physDev->exposures)
 380                     {
 381                         for (;;)
 382                         {
 383                             XEvent event;
 384
 385                             wine_tsx11_lock();
 386                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 387                             wine_tsx11_unlock();
 388                             if (event.type == NoExpose) break;
 389                             if (event.type == GraphicsExpose)
 390                             {
 391                                 int x = event.xgraphicsexpose.x - physDev->dc_rect.left;
 392                                 int y = event.xgraphicsexpose.y - physDev->dc_rect.top;
 393
 394                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 395                                        event.xgraphicsexpose.width,
 396                                        event.xgraphicsexpose.height,
 397                                        event.xgraphicsexpose.count );
 398
 399                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 400                                 SetRectRgn( tmp, x, y,
 401                                             x + event.xgraphicsexpose.width,
 402                                             y + event.xgraphicsexpose.height );
 403                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 404                                 else
 405                                 {
 406                                     hrgn = tmp;
 407                                     tmp = 0;
 408                                 }
 409                                 if (!event.xgraphicsexpose.count) break;
 410                             }
 411                             else
 412                             {
 413                                 ERR( "got unexpected event %d\n", event.type );
 414                                 break;
 415                             }
 416                         }
 417                         if (tmp) DeleteObject( tmp );
 418                     }
 419                     *(HRGN *)out_data = hrgn;
 420                     return TRUE;
 421                 }
 422                 break;
 423             case X11DRV_GET_DCE:
 424             case X11DRV_SET_DCE:
 425                 FIXME( "%x escape no longer supported\n", *(const enum x11drv_escape_codes *)in_data );
 426                 break;
 427             case X11DRV_GET_GLX_DRAWABLE:
 428                 if (out_count >= sizeof(Drawable))
 429                 {
 430                     *(Drawable *)out_data = get_glxdrawable(physDev);
 431                     return TRUE;
 432                 }
 433                 break;
 434             case X11DRV_SYNC_PIXMAP:
 435                 if(physDev->bitmap)
 436                 {
 437                     X11DRV_CoerceDIBSection(physDev, DIB_Status_GdiMod);
 438                     return TRUE;
 439                 }
 440                 return FALSE;
 441             case X11DRV_FLUSH_GL_DRAWABLE:
 442                 flush_gl_drawable(physDev);
 443                 return TRUE;
 444             }
 445         }
 446         break;
 447     }
 448     return 0;
 449 }