437 lines
15 KiB
C
437 lines
15 KiB
C
/*
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* Wine X11drv display settings functions
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*
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* Copyright 2003 Alexander James Pasadyn
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "x11drv.h"
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#include "windef.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(x11settings);
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static struct x11drv_mode_info *dd_modes = NULL;
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static unsigned int dd_mode_count = 0;
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static unsigned int dd_max_modes = 0;
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/* All Windows drivers seen so far either support 32 bit depths, or 24 bit depths, but never both. So if we have
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* a 32 bit framebuffer, report 32 bit bpps, otherwise 24 bit ones.
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*/
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static const unsigned int depths_24[] = {8, 16, 24};
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static const unsigned int depths_32[] = {8, 16, 32};
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/* pointers to functions that actually do the hard stuff */
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static int (*pGetCurrentMode)(void);
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static LONG (*pSetCurrentMode)(int mode);
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static const char *handler_name;
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/*
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* Set the handlers for resolution changing functions
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* and initialize the master list of modes
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*/
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struct x11drv_mode_info *X11DRV_Settings_SetHandlers(const char *name,
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int (*pNewGCM)(void),
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LONG (*pNewSCM)(int),
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unsigned int nmodes,
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int reserve_depths)
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{
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handler_name = name;
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pGetCurrentMode = pNewGCM;
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pSetCurrentMode = pNewSCM;
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TRACE("Resolution settings now handled by: %s\n", name);
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if (reserve_depths)
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/* leave room for other depths */
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dd_max_modes = (3+1)*(nmodes);
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else
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dd_max_modes = nmodes;
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if (dd_modes)
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{
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TRACE("Destroying old display modes array\n");
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HeapFree(GetProcessHeap(), 0, dd_modes);
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}
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dd_modes = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dd_modes) * dd_max_modes);
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dd_mode_count = 0;
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TRACE("Initialized new display modes array\n");
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return dd_modes;
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}
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/* Add one mode to the master list */
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void X11DRV_Settings_AddOneMode(unsigned int width, unsigned int height, unsigned int bpp, unsigned int freq)
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{
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struct x11drv_mode_info *info = &dd_modes[dd_mode_count];
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DWORD dwBpp = screen_bpp;
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if (dd_mode_count >= dd_max_modes)
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{
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ERR("Maximum modes (%d) exceeded\n", dd_max_modes);
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return;
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}
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if (bpp == 0) bpp = dwBpp;
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info->width = width;
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info->height = height;
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info->refresh_rate = freq;
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info->bpp = bpp;
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TRACE("initialized mode %d: %dx%dx%d @%d Hz (%s)\n",
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dd_mode_count, width, height, bpp, freq, handler_name);
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dd_mode_count++;
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}
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/* copy all the current modes using the other color depths */
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void X11DRV_Settings_AddDepthModes(void)
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{
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int i, j;
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int existing_modes = dd_mode_count;
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DWORD dwBpp = screen_bpp;
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const DWORD *depths = screen_bpp == 32 ? depths_32 : depths_24;
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for (j=0; j<3; j++)
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{
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if (depths[j] != dwBpp)
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{
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for (i=0; i < existing_modes; i++)
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{
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X11DRV_Settings_AddOneMode(dd_modes[i].width, dd_modes[i].height,
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depths[j], dd_modes[i].refresh_rate);
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}
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}
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}
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}
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/* return the number of modes that are initialized */
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unsigned int X11DRV_Settings_GetModeCount(void)
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{
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return dd_mode_count;
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}
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/***********************************************************************
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* Default handlers if resolution switching is not enabled
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*
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*/
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static int X11DRV_nores_GetCurrentMode(void)
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{
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return 0;
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}
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static LONG X11DRV_nores_SetCurrentMode(int mode)
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{
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if (mode == 0) return DISP_CHANGE_SUCCESSFUL;
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TRACE("Ignoring mode change request mode=%d\n", mode);
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return DISP_CHANGE_FAILED;
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}
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/* default handler only gets the current X desktop resolution */
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void X11DRV_Settings_Init(void)
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{
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RECT primary = get_host_primary_monitor_rect();
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X11DRV_Settings_SetHandlers("NoRes",
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X11DRV_nores_GetCurrentMode,
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X11DRV_nores_SetCurrentMode,
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1, 0);
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X11DRV_Settings_AddOneMode( primary.right - primary.left, primary.bottom - primary.top, 0, 60);
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}
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static BOOL get_display_device_reg_key(char *key, unsigned len)
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{
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static const char display_device_guid_prop[] = "__wine_display_device_guid";
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static const char video_path[] = "System\\CurrentControlSet\\Control\\Video\\{";
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static const char display0[] = "}\\0000";
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ATOM guid_atom;
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assert(len >= sizeof(video_path) + sizeof(display0) + 40);
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guid_atom = HandleToULong(GetPropA(GetDesktopWindow(), display_device_guid_prop));
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if (!guid_atom) return FALSE;
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memcpy(key, video_path, sizeof(video_path));
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if (!GlobalGetAtomNameA(guid_atom, key + strlen(key), 40))
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return FALSE;
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strcat(key, display0);
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TRACE("display device key %s\n", wine_dbgstr_a(key));
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return TRUE;
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}
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static BOOL read_registry_settings(DEVMODEW *dm)
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{
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char wine_x11_reg_key[128];
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HKEY hkey;
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DWORD type, size;
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BOOL ret = TRUE;
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dm->dmFields = 0;
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if (!get_display_device_reg_key(wine_x11_reg_key, sizeof(wine_x11_reg_key)))
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return FALSE;
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if (RegOpenKeyExA(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, KEY_READ, &hkey))
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return FALSE;
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#define query_value(name, data) \
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size = sizeof(DWORD); \
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if (RegQueryValueExA(hkey, name, 0, &type, (LPBYTE)(data), &size) || \
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type != REG_DWORD || size != sizeof(DWORD)) \
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ret = FALSE
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query_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel);
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dm->dmFields |= DM_BITSPERPEL;
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query_value("DefaultSettings.XResolution", &dm->dmPelsWidth);
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dm->dmFields |= DM_PELSWIDTH;
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query_value("DefaultSettings.YResolution", &dm->dmPelsHeight);
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dm->dmFields |= DM_PELSHEIGHT;
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query_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency);
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dm->dmFields |= DM_DISPLAYFREQUENCY;
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query_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags);
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dm->dmFields |= DM_DISPLAYFLAGS;
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query_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x);
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query_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y);
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query_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation);
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query_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput);
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#undef query_value
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RegCloseKey(hkey);
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return ret;
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}
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static BOOL write_registry_settings(const DEVMODEW *dm)
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{
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char wine_x11_reg_key[128];
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HKEY hkey;
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BOOL ret = TRUE;
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if (!get_display_device_reg_key(wine_x11_reg_key, sizeof(wine_x11_reg_key)))
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return FALSE;
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if (RegCreateKeyExA(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, NULL,
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REG_OPTION_VOLATILE, KEY_WRITE, NULL, &hkey, NULL))
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return FALSE;
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#define set_value(name, data) \
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if (RegSetValueExA(hkey, name, 0, REG_DWORD, (const BYTE*)(data), sizeof(DWORD))) \
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ret = FALSE
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set_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel);
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set_value("DefaultSettings.XResolution", &dm->dmPelsWidth);
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set_value("DefaultSettings.YResolution", &dm->dmPelsHeight);
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set_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency);
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set_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags);
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set_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x);
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set_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y);
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set_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation);
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set_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput);
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#undef set_value
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RegCloseKey(hkey);
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return ret;
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}
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/***********************************************************************
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* EnumDisplaySettingsEx (X11DRV.@)
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*
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*/
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BOOL CDECL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags)
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{
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static const WCHAR dev_name[CCHDEVICENAME] =
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{ 'W','i','n','e',' ','X','1','1',' ','d','r','i','v','e','r',0 };
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devmode->dmSize = FIELD_OFFSET(DEVMODEW, dmICMMethod);
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devmode->dmSpecVersion = DM_SPECVERSION;
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devmode->dmDriverVersion = DM_SPECVERSION;
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memcpy(devmode->dmDeviceName, dev_name, sizeof(dev_name));
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devmode->dmDriverExtra = 0;
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devmode->u2.dmDisplayFlags = 0;
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devmode->dmDisplayFrequency = 0;
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devmode->u1.s2.dmPosition.x = 0;
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devmode->u1.s2.dmPosition.y = 0;
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devmode->u1.s2.dmDisplayOrientation = 0;
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devmode->u1.s2.dmDisplayFixedOutput = 0;
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if (n == ENUM_CURRENT_SETTINGS)
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{
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TRACE("mode %d (current) -- getting current mode (%s)\n", n, handler_name);
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n = pGetCurrentMode();
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}
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if (n == ENUM_REGISTRY_SETTINGS)
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{
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TRACE("mode %d (registry) -- getting default mode (%s)\n", n, handler_name);
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return read_registry_settings(devmode);
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}
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if (n < dd_mode_count)
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{
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devmode->dmPelsWidth = dd_modes[n].width;
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devmode->dmPelsHeight = dd_modes[n].height;
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devmode->dmBitsPerPel = dd_modes[n].bpp;
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devmode->dmDisplayFrequency = dd_modes[n].refresh_rate;
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devmode->dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL |
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DM_DISPLAYFLAGS;
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if (devmode->dmDisplayFrequency)
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{
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devmode->dmFields |= DM_DISPLAYFREQUENCY;
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TRACE("mode %d -- %dx%dx%dbpp @%d Hz (%s)\n", n,
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devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel,
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devmode->dmDisplayFrequency, handler_name);
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}
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else
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{
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TRACE("mode %d -- %dx%dx%dbpp (%s)\n", n,
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devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel,
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handler_name);
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}
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return TRUE;
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}
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TRACE("mode %d -- not present (%s)\n", n, handler_name);
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SetLastError(ERROR_NO_MORE_FILES);
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return FALSE;
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}
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#define _X_FIELD(prefix, bits) if ((fields) & prefix##_##bits) {p+=sprintf(p, "%s%s", first ? "" : ",", #bits); first=FALSE;}
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static const char * _CDS_flags(DWORD fields)
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{
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BOOL first = TRUE;
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char buf[128];
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char *p = buf;
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_X_FIELD(CDS,UPDATEREGISTRY);_X_FIELD(CDS,TEST);_X_FIELD(CDS,FULLSCREEN);
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_X_FIELD(CDS,GLOBAL);_X_FIELD(CDS,SET_PRIMARY);_X_FIELD(CDS,RESET);
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_X_FIELD(CDS,SETRECT);_X_FIELD(CDS,NORESET);
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*p = 0;
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return wine_dbg_sprintf("%s", buf);
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}
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static const char * _DM_fields(DWORD fields)
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{
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BOOL first = TRUE;
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char buf[128];
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char *p = buf;
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_X_FIELD(DM,BITSPERPEL);_X_FIELD(DM,PELSWIDTH);_X_FIELD(DM,PELSHEIGHT);
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_X_FIELD(DM,DISPLAYFLAGS);_X_FIELD(DM,DISPLAYFREQUENCY);_X_FIELD(DM,POSITION);
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*p = 0;
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return wine_dbg_sprintf("%s", buf);
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}
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#undef _X_FIELD
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/***********************************************************************
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* ChangeDisplaySettingsEx (X11DRV.@)
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*
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*/
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LONG CDECL X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode,
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HWND hwnd, DWORD flags, LPVOID lpvoid )
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{
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DWORD i, dwBpp = 0;
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DEVMODEW dm;
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BOOL def_mode = TRUE;
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char bpp_buffer[16], freq_buffer[18];
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TRACE("(%s,%p,%p,0x%08x,%p)\n",debugstr_w(devname),devmode,hwnd,flags,lpvoid);
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TRACE("flags=%s\n",_CDS_flags(flags));
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if (devmode)
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{
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/* this is the minimal dmSize that XP accepts */
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if (devmode->dmSize < FIELD_OFFSET(DEVMODEW, dmFields))
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return DISP_CHANGE_FAILED;
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TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields));
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TRACE("width=%d height=%d bpp=%d freq=%d (%s)\n",
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devmode->dmPelsWidth,devmode->dmPelsHeight,
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devmode->dmBitsPerPel,devmode->dmDisplayFrequency, handler_name);
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dwBpp = devmode->dmBitsPerPel;
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if (devmode->dmFields & DM_BITSPERPEL) def_mode &= !dwBpp;
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if (devmode->dmFields & DM_PELSWIDTH) def_mode &= !devmode->dmPelsWidth;
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if (devmode->dmFields & DM_PELSHEIGHT) def_mode &= !devmode->dmPelsHeight;
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if (devmode->dmFields & DM_DISPLAYFREQUENCY) def_mode &= !devmode->dmDisplayFrequency;
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}
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if (def_mode || !dwBpp)
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{
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if (!X11DRV_EnumDisplaySettingsEx(devname, ENUM_REGISTRY_SETTINGS, &dm, 0))
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{
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ERR("Default mode not found!\n");
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return DISP_CHANGE_BADMODE;
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}
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if (def_mode)
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{
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TRACE("Return to original display mode (%s)\n", handler_name);
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devmode = &dm;
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}
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dwBpp = dm.dmBitsPerPel;
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}
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if ((devmode->dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT)) != (DM_PELSWIDTH | DM_PELSHEIGHT))
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{
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WARN("devmode doesn't specify the resolution: %04x\n", devmode->dmFields);
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return DISP_CHANGE_BADMODE;
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}
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for (i = 0; i < dd_mode_count; i++)
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{
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if (devmode->dmFields & DM_BITSPERPEL)
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{
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if (dwBpp != dd_modes[i].bpp)
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continue;
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}
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if (devmode->dmFields & DM_PELSWIDTH)
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{
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if (devmode->dmPelsWidth != dd_modes[i].width)
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continue;
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}
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if (devmode->dmFields & DM_PELSHEIGHT)
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{
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if (devmode->dmPelsHeight != dd_modes[i].height)
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continue;
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}
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if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && (dd_modes[i].refresh_rate != 0) &&
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devmode->dmDisplayFrequency != 0)
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{
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if (devmode->dmDisplayFrequency != dd_modes[i].refresh_rate)
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continue;
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}
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/* we have a valid mode */
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TRACE("Requested display settings match mode %d (%s)\n", i, handler_name);
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if (flags & CDS_UPDATEREGISTRY)
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write_registry_settings(devmode);
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if (!(flags & (CDS_TEST | CDS_NORESET)))
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return pSetCurrentMode(i);
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return DISP_CHANGE_SUCCESSFUL;
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}
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/* no valid modes found, only print the fields we were trying to matching against */
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bpp_buffer[0] = freq_buffer[0] = 0;
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if (devmode->dmFields & DM_BITSPERPEL)
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sprintf(bpp_buffer, "bpp=%u ", devmode->dmBitsPerPel);
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if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && (devmode->dmDisplayFrequency != 0))
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sprintf(freq_buffer, "freq=%u ", devmode->dmDisplayFrequency);
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ERR("No matching mode found: width=%d height=%d %s%s(%s)\n",
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devmode->dmPelsWidth, devmode->dmPelsHeight, bpp_buffer, freq_buffer, handler_name);
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return DISP_CHANGE_BADMODE;
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}
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