461 lines
15 KiB
C
461 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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#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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#include "wine/unicode.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(const WCHAR *device_name, WCHAR *key, unsigned len)
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{
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static const WCHAR display[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y'};
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static const WCHAR video_value_fmt[] = {'\\','D','e','v','i','c','e','\\',
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'V','i','d','e','o','%','d',0};
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static const WCHAR video_key[] = {'H','A','R','D','W','A','R','E','\\',
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'D','E','V','I','C','E','M','A','P','\\',
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'V','I','D','E','O','\\',0};
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WCHAR value_name[MAX_PATH], buffer[MAX_PATH], *end_ptr;
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DWORD adapter_index, size;
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/* Device name has to be \\.\DISPLAY%d */
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if (strncmpiW(device_name, display, ARRAY_SIZE(display)))
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return FALSE;
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/* Parse \\.\DISPLAY* */
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adapter_index = strtolW(device_name + ARRAY_SIZE(display), &end_ptr, 10) - 1;
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if (*end_ptr)
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return FALSE;
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/* Open \Device\Video* in HKLM\HARDWARE\DEVICEMAP\VIDEO\ */
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sprintfW(value_name, video_value_fmt, adapter_index);
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size = sizeof(buffer);
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if (RegGetValueW(HKEY_LOCAL_MACHINE, video_key, value_name, RRF_RT_REG_SZ, NULL, buffer, &size))
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return FALSE;
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if (len < lstrlenW(buffer + 18) + 1)
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return FALSE;
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/* Skip \Registry\Machine\ prefix */
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lstrcpyW(key, buffer + 18);
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TRACE("display device %s registry settings key %s.\n", wine_dbgstr_w(device_name), wine_dbgstr_w(key));
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return TRUE;
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}
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static BOOL read_registry_settings(const WCHAR *device_name, DEVMODEW *dm)
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{
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WCHAR wine_x11_reg_key[MAX_PATH];
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HANDLE mutex;
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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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mutex = get_display_device_init_mutex();
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if (!get_display_device_reg_key(device_name, wine_x11_reg_key, ARRAY_SIZE(wine_x11_reg_key)))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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if (RegOpenKeyExW(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, KEY_READ, &hkey))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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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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dm->dmFields |= DM_POSITION;
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query_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation);
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dm->dmFields |= DM_DISPLAYORIENTATION;
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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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release_display_device_init_mutex(mutex);
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return ret;
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}
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static BOOL write_registry_settings(const WCHAR *device_name, const DEVMODEW *dm)
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{
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WCHAR wine_x11_reg_key[MAX_PATH];
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HANDLE mutex;
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HKEY hkey;
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BOOL ret = TRUE;
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mutex = get_display_device_init_mutex();
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if (!get_display_device_reg_key(device_name, wine_x11_reg_key, ARRAY_SIZE(wine_x11_reg_key)))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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if (RegCreateKeyExW(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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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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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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release_display_device_init_mutex(mutex);
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return ret;
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}
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BOOL get_primary_adapter(WCHAR *name)
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{
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DISPLAY_DEVICEW dd;
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DWORD i;
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dd.cb = sizeof(dd);
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for (i = 0; EnumDisplayDevicesW(NULL, i, &dd, 0); ++i)
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{
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if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
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{
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lstrcpyW(name, dd.DeviceName);
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return TRUE;
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}
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}
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return FALSE;
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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(name, 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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BOOL is_detached_mode(const DEVMODEW *mode)
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{
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return mode->dmFields & DM_POSITION &&
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mode->dmFields & DM_PELSWIDTH &&
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mode->dmFields & DM_PELSHEIGHT &&
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mode->dmPelsWidth == 0 &&
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mode->dmPelsHeight == 0;
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}
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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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WCHAR primary_adapter[CCHDEVICENAME];
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char bpp_buffer[16], freq_buffer[18];
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DEVMODEW default_mode;
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DWORD i;
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if (!get_primary_adapter(primary_adapter))
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return DISP_CHANGE_FAILED;
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if (!devname && !devmode)
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{
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default_mode.dmSize = sizeof(default_mode);
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if (!EnumDisplaySettingsExW(primary_adapter, ENUM_REGISTRY_SETTINGS, &default_mode, 0))
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{
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ERR("Default mode not found for %s!\n", wine_dbgstr_w(primary_adapter));
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return DISP_CHANGE_BADMODE;
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}
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devname = primary_adapter;
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devmode = &default_mode;
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}
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if (is_detached_mode(devmode))
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{
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FIXME("Detaching adapters is currently unsupported.\n");
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return DISP_CHANGE_SUCCESSFUL;
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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 (devmode->dmBitsPerPel != 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 && !write_registry_settings(devname, devmode))
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{
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ERR("Failed to write %s display settings to registry.\n", wine_dbgstr_w(devname));
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return DISP_CHANGE_NOTUPDATED;
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}
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if (lstrcmpiW(primary_adapter, devname))
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{
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FIXME("Changing non-primary adapter %s settings is currently unsupported.\n",
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wine_dbgstr_w(devname));
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return DISP_CHANGE_SUCCESSFUL;
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}
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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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