Sweden-Number/dlls/winex11.drv/xrandr.c

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/*
* Wine X11drv Xrandr interface
*
* Copyright 2003 Alexander James Pasadyn
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* Copyright 2012 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
#ifdef HAVE_XRRGETSCREENRESOURCES
WINE_DECLARE_DEBUG_CHANNEL(winediag);
#endif
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#ifdef SONAME_LIBXRANDR
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include "x11drv.h"
#include "wine/library.h"
static void *xrandr_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f;
MAKE_FUNCPTR(XRRConfigCurrentConfiguration)
MAKE_FUNCPTR(XRRConfigCurrentRate)
MAKE_FUNCPTR(XRRFreeScreenConfigInfo)
MAKE_FUNCPTR(XRRGetScreenInfo)
MAKE_FUNCPTR(XRRQueryExtension)
MAKE_FUNCPTR(XRRQueryVersion)
MAKE_FUNCPTR(XRRRates)
MAKE_FUNCPTR(XRRSetScreenConfig)
MAKE_FUNCPTR(XRRSetScreenConfigAndRate)
MAKE_FUNCPTR(XRRSizes)
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#ifdef HAVE_XRRGETSCREENRESOURCES
MAKE_FUNCPTR(XRRFreeCrtcInfo)
MAKE_FUNCPTR(XRRFreeOutputInfo)
MAKE_FUNCPTR(XRRFreeScreenResources)
MAKE_FUNCPTR(XRRGetCrtcInfo)
MAKE_FUNCPTR(XRRGetOutputInfo)
MAKE_FUNCPTR(XRRGetScreenResources)
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MAKE_FUNCPTR(XRRSetCrtcConfig)
MAKE_FUNCPTR(XRRSetScreenSize)
static typeof(XRRGetScreenResources) *pXRRGetScreenResourcesCurrent;
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static RRMode *xrandr12_modes;
static int primary_crtc;
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#endif
#undef MAKE_FUNCPTR
static struct x11drv_mode_info *dd_modes;
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static SizeID *xrandr10_modes;
static unsigned int xrandr_mode_count;
static int xrandr_current_mode = -1;
static int load_xrandr(void)
{
int r = 0;
if (wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
(xrandr_handle = wine_dlopen(SONAME_LIBXRANDR, RTLD_NOW, NULL, 0)))
{
#define LOAD_FUNCPTR(f) \
if((p##f = wine_dlsym(xrandr_handle, #f, NULL, 0)) == NULL) \
goto sym_not_found;
LOAD_FUNCPTR(XRRConfigCurrentConfiguration)
LOAD_FUNCPTR(XRRConfigCurrentRate)
LOAD_FUNCPTR(XRRFreeScreenConfigInfo)
LOAD_FUNCPTR(XRRGetScreenInfo)
LOAD_FUNCPTR(XRRQueryExtension)
LOAD_FUNCPTR(XRRQueryVersion)
LOAD_FUNCPTR(XRRRates)
LOAD_FUNCPTR(XRRSetScreenConfig)
LOAD_FUNCPTR(XRRSetScreenConfigAndRate)
LOAD_FUNCPTR(XRRSizes)
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r = 1;
#ifdef HAVE_XRRGETSCREENRESOURCES
LOAD_FUNCPTR(XRRFreeCrtcInfo)
LOAD_FUNCPTR(XRRFreeOutputInfo)
LOAD_FUNCPTR(XRRFreeScreenResources)
LOAD_FUNCPTR(XRRGetCrtcInfo)
LOAD_FUNCPTR(XRRGetOutputInfo)
LOAD_FUNCPTR(XRRGetScreenResources)
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LOAD_FUNCPTR(XRRSetCrtcConfig)
LOAD_FUNCPTR(XRRSetScreenSize)
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r = 2;
#endif
#undef LOAD_FUNCPTR
sym_not_found:
if (!r) TRACE("Unable to load function ptrs from XRandR library\n");
}
return r;
}
static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
{
return 1;
}
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static int xrandr10_get_current_mode(void)
{
SizeID size;
Rotation rot;
XRRScreenConfiguration *sc;
short rate;
unsigned int i;
int res = -1;
if (xrandr_current_mode != -1)
return xrandr_current_mode;
sc = pXRRGetScreenInfo (gdi_display, DefaultRootWindow( gdi_display ));
size = pXRRConfigCurrentConfiguration (sc, &rot);
rate = pXRRConfigCurrentRate (sc);
pXRRFreeScreenConfigInfo(sc);
for (i = 0; i < xrandr_mode_count; ++i)
{
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if (xrandr10_modes[i] == size && dd_modes[i].refresh_rate == rate)
{
res = i;
break;
}
}
if (res == -1)
{
ERR("In unknown mode, returning default\n");
return 0;
}
xrandr_current_mode = res;
return res;
}
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static LONG xrandr10_set_current_mode( int mode )
{
SizeID size;
Rotation rot;
Window root;
XRRScreenConfiguration *sc;
Status stat;
short rate;
root = DefaultRootWindow( gdi_display );
sc = pXRRGetScreenInfo (gdi_display, root);
pXRRConfigCurrentConfiguration (sc, &rot);
mode = mode % xrandr_mode_count;
TRACE("Changing Resolution to %dx%d @%d Hz\n",
dd_modes[mode].width,
dd_modes[mode].height,
dd_modes[mode].refresh_rate);
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size = xrandr10_modes[mode];
rate = dd_modes[mode].refresh_rate;
if (rate)
stat = pXRRSetScreenConfigAndRate( gdi_display, sc, root, size, rot, rate, CurrentTime );
else
stat = pXRRSetScreenConfig( gdi_display, sc, root, size, rot, CurrentTime );
pXRRFreeScreenConfigInfo(sc);
if (stat == RRSetConfigSuccess)
{
xrandr_current_mode = mode;
X11DRV_resize_desktop( dd_modes[mode].width, dd_modes[mode].height );
return DISP_CHANGE_SUCCESSFUL;
}
ERR("Resolution change not successful -- perhaps display has changed?\n");
return DISP_CHANGE_FAILED;
}
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static void xrandr10_init_modes(void)
{
XRRScreenSize *sizes;
int sizes_count;
int i, j, nmodes = 0;
sizes = pXRRSizes( gdi_display, DefaultScreen(gdi_display), &sizes_count );
if (sizes_count <= 0) return;
TRACE("XRandR: found %d sizes.\n", sizes_count);
for (i = 0; i < sizes_count; ++i)
{
int rates_count;
short *rates;
rates = pXRRRates( gdi_display, DefaultScreen(gdi_display), i, &rates_count );
TRACE("- at %d: %dx%d (%d rates):", i, sizes[i].width, sizes[i].height, rates_count);
if (rates_count)
{
nmodes += rates_count;
for (j = 0; j < rates_count; ++j)
{
if (j > 0)
TRACE(",");
TRACE(" %d", rates[j]);
}
}
else
{
++nmodes;
TRACE(" <default>");
}
TRACE(" Hz\n");
}
TRACE("XRandR modes: count=%d\n", nmodes);
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if (!(xrandr10_modes = HeapAlloc( GetProcessHeap(), 0, sizeof(*xrandr10_modes) * nmodes )))
{
ERR("Failed to allocate xrandr mode info array.\n");
return;
}
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dd_modes = X11DRV_Settings_SetHandlers( "XRandR 1.0",
xrandr10_get_current_mode,
xrandr10_set_current_mode,
nmodes, 1 );
xrandr_mode_count = 0;
for (i = 0; i < sizes_count; ++i)
{
int rates_count;
short *rates;
rates = pXRRRates( gdi_display, DefaultScreen(gdi_display), i, &rates_count );
if (rates_count)
{
for (j = 0; j < rates_count; ++j)
{
X11DRV_Settings_AddOneMode( sizes[i].width, sizes[i].height, 0, rates[j] );
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xrandr10_modes[xrandr_mode_count++] = i;
}
}
else
{
X11DRV_Settings_AddOneMode( sizes[i].width, sizes[i].height, 0, 0 );
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xrandr10_modes[xrandr_mode_count++] = i;
}
}
X11DRV_Settings_AddDepthModes();
nmodes = X11DRV_Settings_GetModeCount();
TRACE("Available DD modes: count=%d\n", nmodes);
TRACE("Enabling XRandR\n");
}
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#ifdef HAVE_XRRGETSCREENRESOURCES
static int xrandr12_get_current_mode(void)
{
XRRScreenResources *resources;
XRRCrtcInfo *crtc_info;
int i, ret = -1;
if (xrandr_current_mode != -1)
return xrandr_current_mode;
if (!(resources = pXRRGetScreenResourcesCurrent( gdi_display, root_window )))
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{
ERR("Failed to get screen resources.\n");
return 0;
}
if (resources->ncrtc <= primary_crtc ||
!(crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[primary_crtc] )))
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{
pXRRFreeScreenResources( resources );
ERR("Failed to get CRTC info.\n");
return 0;
}
TRACE("CRTC %d: mode %#lx, %ux%u+%d+%d.\n", primary_crtc, crtc_info->mode,
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crtc_info->width, crtc_info->height, crtc_info->x, crtc_info->y);
for (i = 0; i < xrandr_mode_count; ++i)
{
if (xrandr12_modes[i] == crtc_info->mode)
{
ret = i;
break;
}
}
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
if (ret == -1)
{
ERR("Unknown mode, returning default.\n");
return 0;
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}
xrandr_current_mode = ret;
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return ret;
}
static void get_screen_size( XRRScreenResources *resources, unsigned int *width, unsigned int *height )
{
XRRCrtcInfo *crtc_info;
int i;
*width = *height = 0;
for (i = 0; i < resources->ncrtc; ++i)
{
if (!(crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[i] )))
continue;
if (crtc_info->mode != None)
{
*width = max(*width, crtc_info->x + crtc_info->width);
*height = max(*height, crtc_info->y + crtc_info->height);
}
pXRRFreeCrtcInfo( crtc_info );
}
}
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static LONG xrandr12_set_current_mode( int mode )
{
unsigned int screen_width, screen_height;
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Status status = RRSetConfigFailed;
XRRScreenResources *resources;
XRRCrtcInfo *crtc_info;
mode = mode % xrandr_mode_count;
if (!(resources = pXRRGetScreenResourcesCurrent( gdi_display, root_window )))
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{
ERR("Failed to get screen resources.\n");
return DISP_CHANGE_FAILED;
}
if (resources->ncrtc <= primary_crtc ||
!(crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[primary_crtc] )))
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{
pXRRFreeScreenResources( resources );
ERR("Failed to get CRTC info.\n");
return DISP_CHANGE_FAILED;
}
TRACE("CRTC %d: mode %#lx, %ux%u+%d+%d.\n", primary_crtc, crtc_info->mode,
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crtc_info->width, crtc_info->height, crtc_info->x, crtc_info->y);
/* According to the RandR spec, the entire CRTC must fit inside the screen.
* Since we use the union of all enabled CRTCs to determine the necessary
* screen size, this might involve shrinking the screen, so we must disable
* the CRTC in question first. */
XGrabServer( gdi_display );
status = pXRRSetCrtcConfig( gdi_display, resources, resources->crtcs[primary_crtc],
CurrentTime, crtc_info->x, crtc_info->y, None,
crtc_info->rotation, NULL, 0 );
if (status != RRSetConfigSuccess)
{
XUngrabServer( gdi_display );
ERR("Failed to disable CRTC.\n");
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
return DISP_CHANGE_FAILED;
}
get_screen_size( resources, &screen_width, &screen_height );
screen_width = max( screen_width, crtc_info->x + dd_modes[mode].width );
screen_height = max( screen_height, crtc_info->y + dd_modes[mode].height );
pXRRSetScreenSize( gdi_display, root_window, screen_width, screen_height,
screen_width * DisplayWidthMM( gdi_display, default_visual.screen )
/ DisplayWidth( gdi_display, default_visual.screen ),
screen_height * DisplayHeightMM( gdi_display, default_visual.screen )
/ DisplayHeight( gdi_display, default_visual.screen ));
status = pXRRSetCrtcConfig( gdi_display, resources, resources->crtcs[primary_crtc],
CurrentTime, crtc_info->x, crtc_info->y, xrandr12_modes[mode],
crtc_info->rotation, crtc_info->outputs, crtc_info->noutput );
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XUngrabServer( gdi_display );
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pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
if (status != RRSetConfigSuccess)
{
ERR("Resolution change not successful -- perhaps display has changed?\n");
return DISP_CHANGE_FAILED;
}
xrandr_current_mode = mode;
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X11DRV_resize_desktop( dd_modes[mode].width, dd_modes[mode].height );
return DISP_CHANGE_SUCCESSFUL;
}
static XRRCrtcInfo *xrandr12_get_primary_crtc_info( XRRScreenResources *resources, int *crtc_idx )
{
XRRCrtcInfo *crtc_info;
int i;
for (i = 0; i < resources->ncrtc; ++i)
{
crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[i] );
if (!crtc_info || crtc_info->mode == None)
{
pXRRFreeCrtcInfo( crtc_info );
continue;
}
*crtc_idx = i;
return crtc_info;
}
return NULL;
}
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static int xrandr12_init_modes(void)
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{
unsigned int only_one_resolution = 1, mode_count;
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XRRScreenResources *resources;
XRROutputInfo *output_info;
XRRCrtcInfo *crtc_info;
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int ret = -1;
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int i, j;
if (!(resources = pXRRGetScreenResourcesCurrent( gdi_display, root_window )))
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{
ERR("Failed to get screen resources.\n");
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return ret;
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}
if (!resources->ncrtc)
{
pXRRFreeScreenResources( resources );
if (!(resources = pXRRGetScreenResources( gdi_display, root_window )))
{
ERR("Failed to get screen resources.\n");
return ret;
}
}
if (!(crtc_info = xrandr12_get_primary_crtc_info( resources, &primary_crtc )))
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{
pXRRFreeScreenResources( resources );
ERR("Failed to get primary CRTC info.\n");
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return ret;
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}
TRACE("CRTC %d: mode %#lx, %ux%u+%d+%d.\n", primary_crtc, crtc_info->mode,
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crtc_info->width, crtc_info->height, crtc_info->x, crtc_info->y);
if (!crtc_info->noutput || !(output_info = pXRRGetOutputInfo( gdi_display, resources, crtc_info->outputs[0] )))
{
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
ERR("Failed to get output info.\n");
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return ret;
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}
TRACE("OUTPUT 0: name %s.\n", debugstr_a(output_info->name));
if (!output_info->nmode)
{
WARN("Output has no modes.\n");
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goto done;
}
if (!(xrandr12_modes = HeapAlloc( GetProcessHeap(), 0, sizeof(*xrandr12_modes) * output_info->nmode )))
{
ERR("Failed to allocate xrandr mode info array.\n");
goto done;
}
dd_modes = X11DRV_Settings_SetHandlers( "XRandR 1.2",
xrandr12_get_current_mode,
xrandr12_set_current_mode,
output_info->nmode, 1 );
xrandr_mode_count = 0;
for (i = 0; i < output_info->nmode; ++i)
{
for (j = 0; j < resources->nmode; ++j)
{
XRRModeInfo *mode = &resources->modes[j];
if (mode->id == output_info->modes[i])
{
unsigned int dots = mode->hTotal * mode->vTotal;
unsigned int refresh = dots ? (mode->dotClock + dots / 2) / dots : 0;
TRACE("Adding mode %#lx: %ux%u@%u.\n", mode->id, mode->width, mode->height, refresh);
X11DRV_Settings_AddOneMode( mode->width, mode->height, 0, refresh );
xrandr12_modes[xrandr_mode_count++] = mode->id;
break;
}
}
}
mode_count = X11DRV_Settings_GetModeCount();
for (i = 1; i < mode_count; ++i)
{
if (dd_modes[i].width != dd_modes[0].width || dd_modes[i].height != dd_modes[0].height)
{
only_one_resolution = 0;
break;
}
}
/* Recent (304.64, possibly earlier) versions of the nvidia driver only
* report a DFP's native mode through RandR 1.2 / 1.3. Standard DMT modes
* are only listed through RandR 1.0 / 1.1. This is completely useless,
* but NVIDIA considers this a feature, so it's unlikely to change. The
* best we can do is to fall back to RandR 1.0 and encourage users to
* consider more cooperative driver vendors when we detect such a
* configuration. */
if (only_one_resolution && XQueryExtension( gdi_display, "NV-CONTROL", &i, &j, &ret ))
{
ERR_(winediag)("Broken NVIDIA RandR detected, falling back to RandR 1.0. "
"Please consider using the Nouveau driver instead.\n");
ret = -1;
HeapFree( GetProcessHeap(), 0, xrandr12_modes );
goto done;
}
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X11DRV_Settings_AddDepthModes();
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ret = 0;
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done:
pXRRFreeOutputInfo( output_info );
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
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return ret;
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}
#endif /* HAVE_XRRGETSCREENRESOURCES */
void X11DRV_XRandR_Init(void)
{
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int event_base, error_base, minor, ret;
static int major;
Bool ok;
if (major) return; /* already initialized? */
if (!usexrandr) return; /* disabled in config */
if (root_window != DefaultRootWindow( gdi_display )) return;
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if (!(ret = load_xrandr())) return; /* can't load the Xrandr library */
/* see if Xrandr is available */
if (!pXRRQueryExtension( gdi_display, &event_base, &error_base )) return;
X11DRV_expect_error( gdi_display, XRandRErrorHandler, NULL );
ok = pXRRQueryVersion( gdi_display, &major, &minor );
if (X11DRV_check_error() || !ok) return;
TRACE("Found XRandR %d.%d.\n", major, minor);
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#ifdef HAVE_XRRGETSCREENRESOURCES
if (ret >= 2 && (major > 1 || (major == 1 && minor >= 2)))
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{
if (major > 1 || (major == 1 && minor >= 3))
pXRRGetScreenResourcesCurrent = wine_dlsym( xrandr_handle, "XRRGetScreenResourcesCurrent", NULL, 0 );
if (!pXRRGetScreenResourcesCurrent)
pXRRGetScreenResourcesCurrent = pXRRGetScreenResources;
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}
if (!pXRRGetScreenResourcesCurrent || xrandr12_init_modes() < 0)
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#endif
xrandr10_init_modes();
}
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#else /* SONAME_LIBXRANDR */
void X11DRV_XRandR_Init(void)
{
TRACE("XRandR support not compiled in.\n");
}
#endif /* SONAME_LIBXRANDR */