2 * Wine X11drv display settings functions
4 * Copyright 2003 Alexander James Pasadyn
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
29 #include "wine/debug.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(x11settings);
34 * The DDHALMODEINFO type is used to hold all the mode information.
35 * This is done because the array of DDHALMODEINFO structures must be
36 * created for use by DirectDraw anyway.
38 static LPDDHALMODEINFO dd_modes = NULL;
39 static unsigned int dd_mode_count = 0;
40 static unsigned int dd_max_modes = 0;
41 static int dd_mode_default = 0;
42 static const unsigned int depths[] = {8, 16, 32};
44 /* pointers to functions that actually do the hard stuff */
45 static int (*pGetCurrentMode)(void);
46 static LONG (*pSetCurrentMode)(int mode);
47 static const char *handler_name;
50 * Set the handlers for resolution changing functions
51 * and initialize the master list of modes
53 LPDDHALMODEINFO X11DRV_Settings_SetHandlers(const char *name,
60 pGetCurrentMode = pNewGCM;
61 pSetCurrentMode = pNewSCM;
62 TRACE("Resolution settings now handled by: %s\n", name);
64 /* leave room for other depths */
65 dd_max_modes = (3+1)*(nmodes);
67 dd_max_modes = nmodes;
71 TRACE("Destroying old display modes array\n");
72 HeapFree(GetProcessHeap(), 0, dd_modes);
74 dd_modes = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DDHALMODEINFO) * dd_max_modes);
76 TRACE("Initialized new display modes array\n");
80 /* Add one mode to the master list */
81 void X11DRV_Settings_AddOneMode(unsigned int width, unsigned int height, unsigned int bpp, unsigned int freq)
83 LPDDHALMODEINFO info = &(dd_modes[dd_mode_count]);
84 DWORD dwBpp = screen_depth;
85 if (dd_mode_count >= dd_max_modes)
87 ERR("Maximum modes (%d) exceeded\n", dd_max_modes);
90 if (dwBpp == 24) dwBpp = 32;
91 if (bpp == 0) bpp = dwBpp;
92 info->dwWidth = width;
93 info->dwHeight = height;
94 info->wRefreshRate = freq;
100 info->dwBBitMask = 0;
101 info->dwAlphaBitMask = 0;
102 TRACE("initialized mode %d: %dx%dx%d @%d Hz (%s)\n",
103 dd_mode_count, width, height, bpp, freq, handler_name);
107 /* copy all the current modes using the other color depths */
108 void X11DRV_Settings_AddDepthModes(void)
111 int existing_modes = dd_mode_count;
112 DWORD dwBpp = screen_depth;
113 if (dwBpp == 24) dwBpp = 32;
116 if (depths[j] != dwBpp)
118 for (i=0; i < existing_modes; i++)
120 X11DRV_Settings_AddOneMode(dd_modes[i].dwWidth, dd_modes[i].dwHeight,
121 depths[j], dd_modes[i].wRefreshRate);
127 /* set the default mode */
128 void X11DRV_Settings_SetDefaultMode(int mode)
130 dd_mode_default = mode;
133 /* return the number of modes that are initialized */
134 unsigned int X11DRV_Settings_GetModeCount(void)
136 return dd_mode_count;
139 /***********************************************************************
140 * Default handlers if resolution switching is not enabled
143 static int X11DRV_nores_GetCurrentMode(void)
147 static LONG X11DRV_nores_SetCurrentMode(int mode)
149 TRACE("Ignoring mode change request\n");
150 return DISP_CHANGE_FAILED;
152 /* default handler only gets the current X desktop resolution */
153 void X11DRV_Settings_Init(void)
155 X11DRV_Settings_SetHandlers("NoRes",
156 X11DRV_nores_GetCurrentMode,
157 X11DRV_nores_SetCurrentMode,
159 X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 60);
162 /***********************************************************************
163 * EnumDisplaySettingsEx (X11DRV.@)
166 BOOL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags)
168 DWORD dwBpp = screen_depth;
169 if (dwBpp == 24) dwBpp = 32;
170 devmode->dmDisplayFlags = 0;
171 devmode->dmDisplayFrequency = 0;
172 devmode->dmSize = sizeof(DEVMODEW);
173 if (n == ENUM_CURRENT_SETTINGS)
175 TRACE("mode %d (current) -- getting current mode (%s)\n", n, handler_name);
176 n = pGetCurrentMode();
178 if (n == ENUM_REGISTRY_SETTINGS)
180 TRACE("mode %d (registry) -- getting default mode (%s)\n", n, handler_name);
183 if (n < dd_mode_count)
185 devmode->dmPelsWidth = dd_modes[n].dwWidth;
186 devmode->dmPelsHeight = dd_modes[n].dwHeight;
187 devmode->dmBitsPerPel = dd_modes[n].dwBPP;
188 devmode->dmDisplayFrequency = dd_modes[n].wRefreshRate;
189 devmode->dmFields = (DM_PELSWIDTH|DM_PELSHEIGHT|DM_BITSPERPEL);
190 if (devmode->dmDisplayFrequency)
192 devmode->dmFields |= DM_DISPLAYFREQUENCY;
193 TRACE("mode %d -- %dx%dx%dbpp @%d Hz (%s)\n", n,
194 devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel,
195 devmode->dmDisplayFrequency, handler_name);
199 TRACE("mode %d -- %dx%dx%dbpp (%s)\n", n,
200 devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel,
205 TRACE("mode %d -- not present (%s)\n", n, handler_name);
209 #define _X_FIELD(prefix, bits) if ((fields) & prefix##_##bits) {p+=sprintf(p, "%s%s", first ? "" : ",", #bits); first=FALSE;}
210 static const char * _CDS_flags(DWORD fields)
215 _X_FIELD(CDS,UPDATEREGISTRY);_X_FIELD(CDS,TEST);_X_FIELD(CDS,FULLSCREEN);
216 _X_FIELD(CDS,GLOBAL);_X_FIELD(CDS,SET_PRIMARY);_X_FIELD(CDS,RESET);
217 _X_FIELD(CDS,SETRECT);_X_FIELD(CDS,NORESET);
219 return wine_dbg_sprintf("%s", buf);
221 static const char * _DM_fields(DWORD fields)
226 _X_FIELD(DM,BITSPERPEL);_X_FIELD(DM,PELSWIDTH);_X_FIELD(DM,PELSHEIGHT);
227 _X_FIELD(DM,DISPLAYFLAGS);_X_FIELD(DM,DISPLAYFREQUENCY);_X_FIELD(DM,POSITION);
229 return wine_dbg_sprintf("%s", buf);
233 /***********************************************************************
234 * ChangeDisplaySettingsEx (X11DRV.@)
237 LONG X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode,
238 HWND hwnd, DWORD flags, LPVOID lpvoid )
242 BOOL def_mode = TRUE;
244 TRACE("(%s,%p,%p,0x%08x,%p)\n",debugstr_w(devname),devmode,hwnd,flags,lpvoid);
245 TRACE("flags=%s\n",_CDS_flags(flags));
248 TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields));
249 TRACE("width=%d height=%d bpp=%d freq=%d (%s)\n",
250 devmode->dmPelsWidth,devmode->dmPelsHeight,
251 devmode->dmBitsPerPel,devmode->dmDisplayFrequency, handler_name);
253 dwBpp = (devmode->dmBitsPerPel == 24) ? 32 : devmode->dmBitsPerPel;
254 if (devmode->dmFields & DM_BITSPERPEL) def_mode &= !dwBpp;
255 if (devmode->dmFields & DM_PELSWIDTH) def_mode &= !devmode->dmPelsWidth;
256 if (devmode->dmFields & DM_PELSHEIGHT) def_mode &= !devmode->dmPelsHeight;
257 if (devmode->dmFields & DM_DISPLAYFREQUENCY) def_mode &= !devmode->dmDisplayFrequency;
262 TRACE("Return to original display mode (%s)\n", handler_name);
263 if (!X11DRV_EnumDisplaySettingsEx(devname, dd_mode_default, &dm, 0))
265 ERR("Default mode not found!\n");
266 return DISP_CHANGE_BADMODE;
270 dwBpp = !dwBpp ? dd_modes[dd_mode_default].dwBPP : dwBpp;
272 if ((devmode->dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT)) != (DM_PELSWIDTH | DM_PELSHEIGHT))
273 return DISP_CHANGE_BADMODE;
275 for (i = 0; i < dd_mode_count; i++)
277 if (devmode->dmFields & DM_BITSPERPEL)
279 if (dwBpp != dd_modes[i].dwBPP)
282 if (devmode->dmFields & DM_PELSWIDTH)
284 if (devmode->dmPelsWidth != dd_modes[i].dwWidth)
287 if (devmode->dmFields & DM_PELSHEIGHT)
289 if (devmode->dmPelsHeight != dd_modes[i].dwHeight)
292 if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && (dd_modes[i].wRefreshRate != 0) &&
293 devmode->dmDisplayFrequency != 0)
295 if (devmode->dmDisplayFrequency != dd_modes[i].wRefreshRate)
298 /* we have a valid mode */
299 TRACE("Requested display settings match mode %d (%s)\n", i, handler_name);
300 if (!(flags & CDS_TEST))
301 return pSetCurrentMode(i);
302 return DISP_CHANGE_SUCCESSFUL;
305 /* no valid modes found */
306 ERR("No matching mode found! (%s)\n", handler_name);
307 return DISP_CHANGE_BADMODE;
313 /***********************************************************************
314 * DirectDraw HAL interface
317 static DWORD PASCAL X11DRV_Settings_SetMode(LPDDHAL_SETMODEDATA data)
319 TRACE("Mode %d requested by DDHAL (%s)\n", data->dwModeIndex, handler_name);
320 switch (pSetCurrentMode(data->dwModeIndex))
322 case DISP_CHANGE_SUCCESSFUL:
323 X11DRV_DDHAL_SwitchMode(data->dwModeIndex, NULL, NULL);
324 data->ddRVal = DD_OK;
326 case DISP_CHANGE_BADMODE:
327 data->ddRVal = DDERR_WRONGMODE;
330 data->ddRVal = DDERR_UNSUPPORTEDMODE;
332 return DDHAL_DRIVER_HANDLED;
334 int X11DRV_Settings_CreateDriver(LPDDHALINFO info)
336 if (!dd_mode_count) return 0; /* no settings defined */
338 TRACE("Setting up display settings for DDRAW (%s)\n", handler_name);
339 info->dwNumModes = dd_mode_count;
340 info->lpModeInfo = dd_modes;
341 X11DRV_DDHAL_SwitchMode(pGetCurrentMode(), NULL, NULL);
342 info->lpDDCallbacks->SetMode = X11DRV_Settings_SetMode;