324 lines
10 KiB
C
324 lines
10 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 "x11drv.h"
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#include "x11ddraw.h"
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#include "windef.h"
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#include "wingdi.h"
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#include "ddrawi.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(x11settings);
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/*
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* The DDHALMODEINFO type is used to hold all the mode information.
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* This is done because the array of DDHALMODEINFO structures must be
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* created for use by DirectDraw anyway.
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*/
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static LPDDHALMODEINFO 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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static int dd_mode_default = 0;
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static const unsigned int depths[] = {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 void (*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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LPDDHALMODEINFO X11DRV_Settings_SetHandlers(const char *name,
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int (*pNewGCM)(void),
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void (*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(DDHALMODEINFO) * 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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LPDDHALMODEINFO info = &(dd_modes[dd_mode_count]);
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DWORD dwBpp = screen_depth;
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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 (dwBpp == 24) dwBpp = 32;
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if (bpp == 0) bpp = dwBpp;
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info->dwWidth = width;
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info->dwHeight = height;
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info->wRefreshRate = freq;
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info->lPitch = 0;
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info->dwBPP = bpp;
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info->wFlags = 0;
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info->dwRBitMask = 0;
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info->dwGBitMask = 0;
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info->dwBBitMask = 0;
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info->dwAlphaBitMask = 0;
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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_depth;
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if (dwBpp == 24) dwBpp = 32;
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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].dwWidth, dd_modes[i].dwHeight,
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depths[j], dd_modes[i].wRefreshRate);
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}
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}
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}
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}
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/* set the default mode */
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void X11DRV_Settings_SetDefaultMode(int mode)
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{
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dd_mode_default = mode;
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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 void X11DRV_nores_SetCurrentMode(int mode)
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{
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TRACE("Ignoring mode change request\n");
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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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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(screen_width, screen_height, 0, 0);
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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 X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags)
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{
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DWORD dwBpp = screen_depth;
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if (dwBpp == 24) dwBpp = 32;
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devmode->dmDisplayFlags = 0;
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devmode->dmDisplayFrequency = 0;
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devmode->dmSize = sizeof(DEVMODEW);
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if (n == ENUM_CURRENT_SETTINGS)
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{
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TRACE("mode %ld (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 %ld (registry) -- getting default mode (%s)\n", n, handler_name);
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n = dd_mode_default;
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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].dwWidth;
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devmode->dmPelsHeight = dd_modes[n].dwHeight;
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devmode->dmBitsPerPel = dd_modes[n].dwBPP;
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devmode->dmDisplayFrequency = dd_modes[n].wRefreshRate;
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devmode->dmFields = (DM_PELSWIDTH|DM_PELSHEIGHT|DM_BITSPERPEL);
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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 %ld -- %ldx%ldx%ldbpp @%ld 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 %ld -- %ldx%ldx%ldbpp (%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 %ld -- not present (%s)\n", n, handler_name);
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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 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;
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DEVMODEW dm;
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TRACE("(%s,%p,%p,0x%08lx,%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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TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields));
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TRACE("width=%ld height=%ld bpp=%ld freq=%ld (%s)\n",
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devmode->dmPelsWidth,devmode->dmPelsHeight,
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devmode->dmBitsPerPel,devmode->dmDisplayFrequency, handler_name);
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}
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else
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{
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TRACE("Return to original display mode (%s)\n", handler_name);
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if (!X11DRV_EnumDisplaySettingsEx(devname, dd_mode_default, &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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devmode = &dm;
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}
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dwBpp = (devmode->dmBitsPerPel == 24) ? 32 : devmode->dmBitsPerPel;
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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].dwBPP)
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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].dwWidth)
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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].dwHeight)
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continue;
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}
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if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && (dd_modes[i].wRefreshRate != 0))
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{
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if (devmode->dmDisplayFrequency != dd_modes[i].wRefreshRate)
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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 %ld (%s)\n", i, handler_name);
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if (!(flags & CDS_TEST))
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pSetCurrentMode(i);
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return DISP_CHANGE_SUCCESSFUL;
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}
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/* no valid modes found */
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ERR("No matching mode found! (%s)\n", handler_name);
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return DISP_CHANGE_BADMODE;
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}
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/***********************************************************************
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* DirectDraw HAL interface
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*
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*/
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static DWORD PASCAL X11DRV_Settings_SetMode(LPDDHAL_SETMODEDATA data)
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{
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TRACE("Mode %ld requested by DDHAL (%s)\n", data->dwModeIndex, handler_name);
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pSetCurrentMode(data->dwModeIndex);
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X11DRV_DDHAL_SwitchMode(data->dwModeIndex, NULL, NULL);
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data->ddRVal = DD_OK;
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return DDHAL_DRIVER_HANDLED;
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}
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int X11DRV_Settings_CreateDriver(LPDDHALINFO info)
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{
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if (!dd_mode_count) return 0; /* no settings defined */
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TRACE("Setting up display settings for DDRAW (%s)\n", handler_name);
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info->dwNumModes = dd_mode_count;
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info->lpModeInfo = dd_modes;
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X11DRV_DDHAL_SwitchMode(pGetCurrentMode(), NULL, NULL);
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info->lpDDCallbacks->SetMode = X11DRV_Settings_SetMode;
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return TRUE;
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}
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