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

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/*
* Wine X11drv Xrandr interface
*
* Copyright 2003 Alexander James Pasadyn
* Copyright 2012 Henri Verbeet for CodeWeavers
* Copyright 2019 Zhiyi Zhang 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"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
#ifdef HAVE_XRRGETSCREENRESOURCES
WINE_DECLARE_DEBUG_CHANNEL(winediag);
#endif
#ifdef SONAME_LIBXRANDR
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include "x11drv.h"
#include "wine/heap.h"
#include "wine/unicode.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)
#ifdef HAVE_XRRGETSCREENRESOURCES
MAKE_FUNCPTR(XRRFreeCrtcInfo)
MAKE_FUNCPTR(XRRFreeOutputInfo)
MAKE_FUNCPTR(XRRFreeScreenResources)
MAKE_FUNCPTR(XRRGetCrtcInfo)
MAKE_FUNCPTR(XRRGetOutputInfo)
MAKE_FUNCPTR(XRRGetScreenResources)
MAKE_FUNCPTR(XRRGetScreenSizeRange)
MAKE_FUNCPTR(XRRSetCrtcConfig)
MAKE_FUNCPTR(XRRSetScreenSize)
static typeof(XRRGetScreenResources) *pXRRGetScreenResourcesCurrent;
static RRMode *xrandr12_modes;
static int primary_crtc;
#endif
#ifdef HAVE_XRRGETPROVIDERRESOURCES
MAKE_FUNCPTR(XRRSelectInput)
MAKE_FUNCPTR(XRRGetOutputPrimary)
MAKE_FUNCPTR(XRRGetProviderResources)
MAKE_FUNCPTR(XRRFreeProviderResources)
MAKE_FUNCPTR(XRRGetProviderInfo)
MAKE_FUNCPTR(XRRFreeProviderInfo)
#endif
#undef MAKE_FUNCPTR
static struct x11drv_mode_info *dd_modes;
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 (dlopen(SONAME_LIBXRENDER, RTLD_NOW|RTLD_GLOBAL) &&
(xrandr_handle = dlopen(SONAME_LIBXRANDR, RTLD_NOW)))
{
#define LOAD_FUNCPTR(f) \
if((p##f = dlsym(xrandr_handle, #f)) == 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);
r = 1;
#ifdef HAVE_XRRGETSCREENRESOURCES
LOAD_FUNCPTR(XRRFreeCrtcInfo);
LOAD_FUNCPTR(XRRFreeOutputInfo);
LOAD_FUNCPTR(XRRFreeScreenResources);
LOAD_FUNCPTR(XRRGetCrtcInfo);
LOAD_FUNCPTR(XRRGetOutputInfo);
LOAD_FUNCPTR(XRRGetScreenResources);
LOAD_FUNCPTR(XRRGetScreenSizeRange);
LOAD_FUNCPTR(XRRSetCrtcConfig);
LOAD_FUNCPTR(XRRSetScreenSize);
r = 2;
#endif
#ifdef HAVE_XRRGETPROVIDERRESOURCES
LOAD_FUNCPTR(XRRSelectInput);
LOAD_FUNCPTR(XRRGetOutputPrimary);
LOAD_FUNCPTR(XRRGetProviderResources);
LOAD_FUNCPTR(XRRFreeProviderResources);
LOAD_FUNCPTR(XRRGetProviderInfo);
LOAD_FUNCPTR(XRRFreeProviderInfo);
r = 4;
#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;
}
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)
{
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;
}
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);
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;
}
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);
if (!(xrandr10_modes = HeapAlloc( GetProcessHeap(), 0, sizeof(*xrandr10_modes) * nmodes )))
{
ERR("Failed to allocate xrandr mode info array.\n");
return;
}
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] );
xrandr10_modes[xrandr_mode_count++] = i;
}
}
else
{
X11DRV_Settings_AddOneMode( sizes[i].width, sizes[i].height, 0, 0 );
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");
}
#ifdef HAVE_XRRGETSCREENRESOURCES
static XRRScreenResources *xrandr_get_screen_resources(void)
{
XRRScreenResources *resources = pXRRGetScreenResourcesCurrent( gdi_display, root_window );
if (resources && !resources->ncrtc)
{
pXRRFreeScreenResources( resources );
resources = pXRRGetScreenResources( gdi_display, root_window );
}
if (!resources)
ERR("Failed to get screen resources.\n");
return resources;
}
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 )))
{
ERR("Failed to get screen resources.\n");
return 0;
}
if (resources->ncrtc <= primary_crtc ||
!(crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[primary_crtc] )))
{
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,
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;
}
xrandr_current_mode = ret;
return ret;
}
static void get_screen_size( XRRScreenResources *resources, unsigned int *width, unsigned int *height )
{
int min_width = 0, min_height = 0, max_width, max_height;
XRRCrtcInfo *crtc_info;
int i;
pXRRGetScreenSizeRange( gdi_display, root_window, &min_width, &min_height, &max_width, &max_height );
*width = min_width;
*height = min_height;
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 );
}
}
static LONG xrandr12_set_current_mode( int mode )
{
unsigned int screen_width, screen_height;
Status status = RRSetConfigFailed;
XRRScreenResources *resources;
XRRCrtcInfo *crtc_info;
mode = mode % xrandr_mode_count;
if (!(resources = pXRRGetScreenResourcesCurrent( gdi_display, root_window )))
{
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] )))
{
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,
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 );
XFlush( 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 );
XUngrabServer( gdi_display );
XFlush( gdi_display );
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;
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;
}
static int xrandr12_init_modes(void)
{
unsigned int only_one_resolution = 1, mode_count;
XRRScreenResources *resources;
XRROutputInfo *output_info;
XRRCrtcInfo *crtc_info;
int ret = -1;
int i, j;
if (!(resources = xrandr_get_screen_resources()))
return ret;
if (!(crtc_info = xrandr12_get_primary_crtc_info( resources, &primary_crtc )))
{
pXRRFreeScreenResources( resources );
ERR("Failed to get primary CRTC info.\n");
return ret;
}
TRACE("CRTC %d: mode %#lx, %ux%u+%d+%d.\n", primary_crtc, crtc_info->mode,
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");
return ret;
}
TRACE("OUTPUT 0: name %s.\n", debugstr_a(output_info->name));
if (!output_info->nmode)
{
WARN("Output has no modes.\n");
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;
}
X11DRV_Settings_AddDepthModes();
ret = 0;
done:
pXRRFreeOutputInfo( output_info );
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeScreenResources( resources );
return ret;
}
#endif /* HAVE_XRRGETSCREENRESOURCES */
#ifdef HAVE_XRRGETPROVIDERRESOURCES
static RECT get_primary_rect( XRRScreenResources *resources )
{
XRROutputInfo *output_info = NULL;
XRRCrtcInfo *crtc_info = NULL;
RROutput primary_output;
RECT primary_rect = {0};
RECT first_rect = {0};
INT i;
primary_output = pXRRGetOutputPrimary( gdi_display, root_window );
if (!primary_output)
goto fallback;
output_info = pXRRGetOutputInfo( gdi_display, resources, primary_output );
if (!output_info || output_info->connection != RR_Connected || !output_info->crtc)
goto fallback;
crtc_info = pXRRGetCrtcInfo( gdi_display, resources, output_info->crtc );
if (!crtc_info || !crtc_info->mode)
goto fallback;
SetRect( &primary_rect, crtc_info->x, crtc_info->y, crtc_info->x + crtc_info->width, crtc_info->y + crtc_info->height );
pXRRFreeCrtcInfo( crtc_info );
pXRRFreeOutputInfo( output_info );
return primary_rect;
/* Fallback when XRandR primary output is a disconnected output.
* Try to find a crtc with (x, y) being (0, 0). If it's found then get the primary rect from that crtc,
* otherwise use the first active crtc to get the primary rect */
fallback:
if (crtc_info)
pXRRFreeCrtcInfo( crtc_info );
if (output_info)
pXRRFreeOutputInfo( output_info );
WARN("Primary is set to a disconnected XRandR output.\n");
for (i = 0; i < resources->ncrtc; ++i)
{
crtc_info = pXRRGetCrtcInfo( gdi_display, resources, resources->crtcs[i] );
if (!crtc_info)
continue;
if (!crtc_info->mode)
{
pXRRFreeCrtcInfo( crtc_info );
continue;
}
if (!crtc_info->x && !crtc_info->y)
{
SetRect( &primary_rect, 0, 0, crtc_info->width, crtc_info->height );
pXRRFreeCrtcInfo( crtc_info );
break;
}
if (IsRectEmpty( &first_rect ))
SetRect( &first_rect, crtc_info->x, crtc_info->y,
crtc_info->x + crtc_info->width, crtc_info->y + crtc_info->height );
pXRRFreeCrtcInfo( crtc_info );
}
return IsRectEmpty( &primary_rect ) ? first_rect : primary_rect;
}
static BOOL is_crtc_primary( RECT primary, const XRRCrtcInfo *crtc )
{
return crtc &&
crtc->mode &&
crtc->x == primary.left &&
crtc->y == primary.top &&
crtc->x + crtc->width == primary.right &&
crtc->y + crtc->height == primary.bottom;
}
static BOOL xrandr14_get_gpus( struct x11drv_gpu **new_gpus, int *count )
{
static const WCHAR wine_adapterW[] = {'W','i','n','e',' ','A','d','a','p','t','e','r',0};
struct x11drv_gpu *gpus = NULL;
XRRScreenResources *screen_resources = NULL;
XRRProviderResources *provider_resources = NULL;
XRRProviderInfo *provider_info = NULL;
XRRCrtcInfo *crtc_info = NULL;
INT primary_provider = -1;
RECT primary_rect;
BOOL ret = FALSE;
INT i, j;
screen_resources = xrandr_get_screen_resources();
if (!screen_resources)
goto done;
provider_resources = pXRRGetProviderResources( gdi_display, root_window );
if (!provider_resources)
goto done;
gpus = heap_calloc( provider_resources->nproviders ? provider_resources->nproviders : 1, sizeof(*gpus) );
if (!gpus)
goto done;
/* Some XRandR implementations don't support providers.
* In this case, report a fake one to try searching adapters in screen resources */
if (!provider_resources->nproviders)
{
WARN("XRandR implementation doesn't report any providers, faking one.\n");
lstrcpyW( gpus[0].name, wine_adapterW );
*new_gpus = gpus;
*count = 1;
ret = TRUE;
goto done;
}
primary_rect = get_primary_rect( screen_resources );
for (i = 0; i < provider_resources->nproviders; ++i)
{
provider_info = pXRRGetProviderInfo( gdi_display, screen_resources, provider_resources->providers[i] );
if (!provider_info)
goto done;
/* Find primary provider */
for (j = 0; primary_provider == -1 && j < provider_info->ncrtcs; ++j)
{
crtc_info = pXRRGetCrtcInfo( gdi_display, screen_resources, provider_info->crtcs[j] );
if (!crtc_info)
continue;
if (is_crtc_primary( primary_rect, crtc_info ))
{
primary_provider = i;
pXRRFreeCrtcInfo( crtc_info );
break;
}
pXRRFreeCrtcInfo( crtc_info );
}
gpus[i].id = provider_resources->providers[i];
MultiByteToWideChar( CP_UTF8, 0, provider_info->name, -1, gpus[i].name, ARRAY_SIZE(gpus[i].name) );
/* PCI IDs are all zero because there is currently no portable way to get it via XRandR. Some AMD drivers report
* their PCI address in the name but many others don't */
pXRRFreeProviderInfo( provider_info );
}
/* Make primary GPU the first */
if (primary_provider > 0)
{
struct x11drv_gpu tmp = gpus[0];
gpus[0] = gpus[primary_provider];
gpus[primary_provider] = tmp;
}
*new_gpus = gpus;
*count = provider_resources->nproviders;
ret = TRUE;
done:
if (provider_resources)
pXRRFreeProviderResources( provider_resources );
if (screen_resources)
pXRRFreeScreenResources( screen_resources );
if (!ret)
{
heap_free( gpus );
ERR("Failed to get gpus\n");
}
return ret;
}
static void xrandr14_free_gpus( struct x11drv_gpu *gpus )
{
heap_free( gpus );
}
static BOOL xrandr14_get_adapters( ULONG_PTR gpu_id, struct x11drv_adapter **new_adapters, int *count )
{
struct x11drv_adapter *adapters = NULL;
XRRScreenResources *screen_resources = NULL;
XRRProviderInfo *provider_info = NULL;
XRRCrtcInfo *enum_crtc_info, *crtc_info = NULL;
XRROutputInfo *output_info = NULL;
RROutput *outputs;
INT crtc_count, output_count;
INT primary_adapter = 0;
INT adapter_count = 0;
BOOL mirrored, detached;
RECT primary_rect;
BOOL ret = FALSE;
INT i, j;
screen_resources = xrandr_get_screen_resources();
if (!screen_resources)
goto done;
if (gpu_id)
{
provider_info = pXRRGetProviderInfo( gdi_display, screen_resources, gpu_id );
if (!provider_info)
goto done;
crtc_count = provider_info->ncrtcs;
output_count = provider_info->noutputs;
outputs = provider_info->outputs;
}
/* Fake provider id, search adapters in screen resources */
else
{
crtc_count = screen_resources->ncrtc;
output_count = screen_resources->noutput;
outputs = screen_resources->outputs;
}
/* Actual adapter count could be less */
adapters = heap_calloc( crtc_count, sizeof(*adapters) );
if (!adapters)
goto done;
primary_rect = get_primary_rect( screen_resources );
for (i = 0; i < output_count; ++i)
{
output_info = pXRRGetOutputInfo( gdi_display, screen_resources, outputs[i] );
if (!output_info)
goto done;
/* Only connected output are considered as monitors */
if (output_info->connection != RR_Connected)
{
pXRRFreeOutputInfo( output_info );
output_info = NULL;
continue;
}
/* Connected output doesn't mean the output is attached to a crtc */
detached = FALSE;
if (output_info->crtc)
{
crtc_info = pXRRGetCrtcInfo( gdi_display, screen_resources, output_info->crtc );
if (!crtc_info)
goto done;
}
if (!output_info->crtc || !crtc_info->mode)
detached = TRUE;
/* Ignore crtc mirroring slaves because mirrored monitors are under the same adapter */
mirrored = FALSE;
if (!detached)
{
for (j = 0; j < screen_resources->ncrtc; ++j)
{
enum_crtc_info = pXRRGetCrtcInfo( gdi_display, screen_resources, screen_resources->crtcs[j] );
if (!enum_crtc_info)
goto done;
/* Some crtcs on different providers may have the same coordinates, aka mirrored.
* Choose the crtc with the lowest value as primary and the rest will then be slaves
* in a mirroring set */
if (crtc_info->x == enum_crtc_info->x &&
crtc_info->y == enum_crtc_info->y &&
crtc_info->width == enum_crtc_info->width &&
crtc_info->height == enum_crtc_info->height &&
output_info->crtc > screen_resources->crtcs[j])
{
mirrored = TRUE;
pXRRFreeCrtcInfo( enum_crtc_info );
break;
}
pXRRFreeCrtcInfo( enum_crtc_info );
}
}
if (!mirrored || detached)
{
/* Use RROutput as adapter id. The reason of not using RRCrtc is that we need to detect inactive but
* attached monitors */
adapters[adapter_count].id = outputs[i];
if (!detached)
adapters[adapter_count].state_flags |= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP;
if (is_crtc_primary( primary_rect, crtc_info ))
{
adapters[adapter_count].state_flags |= DISPLAY_DEVICE_PRIMARY_DEVICE;
primary_adapter = adapter_count;
}
++adapter_count;
}
pXRRFreeOutputInfo( output_info );
output_info = NULL;
if (crtc_info)
{
pXRRFreeCrtcInfo( crtc_info );
crtc_info = NULL;
}
}
/* Make primary adapter the first */
if (primary_adapter)
{
struct x11drv_adapter tmp = adapters[0];
adapters[0] = adapters[primary_adapter];
adapters[primary_adapter] = tmp;
}
*new_adapters = adapters;
*count = adapter_count;
ret = TRUE;
done:
if (screen_resources)
pXRRFreeScreenResources( screen_resources );
if (provider_info)
pXRRFreeProviderInfo( provider_info );
if (output_info)
pXRRFreeOutputInfo( output_info );
if (crtc_info)
pXRRFreeCrtcInfo( crtc_info );
if (!ret)
{
heap_free( adapters );
ERR("Failed to get adapters\n");
}
return ret;
}
static void xrandr14_free_adapters( struct x11drv_adapter *adapters )
{
heap_free( adapters );
}
static BOOL xrandr14_get_monitors( ULONG_PTR adapter_id, struct x11drv_monitor **new_monitors, int *count )
{
static const WCHAR generic_nonpnp_monitorW[] = {
'G','e','n','e','r','i','c',' ',
'N','o','n','-','P','n','P',' ','M','o','n','i','t','o','r',0};
struct x11drv_monitor *realloc_monitors, *monitors = NULL;
XRRScreenResources *screen_resources = NULL;
XRROutputInfo *output_info = NULL, *enum_output_info = NULL;
XRRCrtcInfo *crtc_info = NULL, *enum_crtc_info;
INT primary_index = 0, monitor_count = 0, capacity;
RECT work_rect, primary_rect;
BOOL ret = FALSE;
INT i;
screen_resources = xrandr_get_screen_resources();
if (!screen_resources)
goto done;
/* First start with a 2 monitors, should be enough for most cases */
capacity = 2;
monitors = heap_calloc( capacity, sizeof(*monitors) );
if (!monitors)
goto done;
output_info = pXRRGetOutputInfo( gdi_display, screen_resources, adapter_id );
if (!output_info)
goto done;
if (output_info->crtc)
{
crtc_info = pXRRGetCrtcInfo( gdi_display, screen_resources, output_info->crtc );
if (!crtc_info)
goto done;
}
/* Inactive but attached monitor, no need to check for mirrored/slave monitors */
if (!output_info->crtc || !crtc_info->mode)
{
lstrcpyW( monitors[monitor_count].name, generic_nonpnp_monitorW );
monitors[monitor_count].state_flags = DISPLAY_DEVICE_ATTACHED;
monitor_count = 1;
}
/* Active monitors, need to find other monitors with the same coordinates as mirrored */
else
{
query_work_area( &work_rect );
primary_rect = get_primary_rect( screen_resources );
for (i = 0; i < screen_resources->noutput; ++i)
{
enum_output_info = pXRRGetOutputInfo( gdi_display, screen_resources, screen_resources->outputs[i] );
if (!enum_output_info)
goto done;
/* Detached outputs don't count */
if (enum_output_info->connection != RR_Connected)
{
pXRRFreeOutputInfo( enum_output_info );
enum_output_info = NULL;
continue;
}
/* Allocate more space if needed */
if (monitor_count >= capacity)
{
capacity *= 2;
realloc_monitors = heap_realloc( monitors, capacity * sizeof(*monitors) );
if (!realloc_monitors)
goto done;
monitors = realloc_monitors;
}
if (enum_output_info->crtc)
{
enum_crtc_info = pXRRGetCrtcInfo( gdi_display, screen_resources, enum_output_info->crtc );
if (!enum_crtc_info)
goto done;
if (enum_crtc_info->x == crtc_info->x &&
enum_crtc_info->y == crtc_info->y &&
enum_crtc_info->width == crtc_info->width &&
enum_crtc_info->height == crtc_info->height)
{
/* FIXME: Read output EDID property and parse the data to get the correct name */
lstrcpyW( monitors[monitor_count].name, generic_nonpnp_monitorW );
SetRect( &monitors[monitor_count].rc_monitor, crtc_info->x, crtc_info->y,
crtc_info->x + crtc_info->width, crtc_info->y + crtc_info->height );
if (!IntersectRect( &monitors[monitor_count].rc_work, &work_rect, &monitors[monitor_count].rc_monitor ))
monitors[monitor_count].rc_work = monitors[monitor_count].rc_monitor;
monitors[monitor_count].state_flags = DISPLAY_DEVICE_ATTACHED;
if (!IsRectEmpty( &monitors[monitor_count].rc_monitor ))
monitors[monitor_count].state_flags |= DISPLAY_DEVICE_ACTIVE;
if (is_crtc_primary( primary_rect, crtc_info ))
primary_index = monitor_count;
monitor_count++;
}
pXRRFreeCrtcInfo( enum_crtc_info );
}
pXRRFreeOutputInfo( enum_output_info );
enum_output_info = NULL;
}
/* Make sure the first monitor is the primary */
if (primary_index)
{
struct x11drv_monitor tmp = monitors[0];
monitors[0] = monitors[primary_index];
monitors[primary_index] = tmp;
}
/* Make sure the primary monitor origin is at (0, 0) */
for (i = 0; i < monitor_count; i++)
{
OffsetRect( &monitors[i].rc_monitor, -primary_rect.left, -primary_rect.top );
OffsetRect( &monitors[i].rc_work, -primary_rect.left, -primary_rect.top );
}
}
*new_monitors = monitors;
*count = monitor_count;
ret = TRUE;
done:
if (screen_resources)
pXRRFreeScreenResources( screen_resources );
if (output_info)
pXRRFreeOutputInfo( output_info);
if (crtc_info)
pXRRFreeCrtcInfo( crtc_info );
if (enum_output_info)
pXRRFreeOutputInfo( enum_output_info );
if (!ret)
{
heap_free( monitors );
ERR("Failed to get monitors\n");
}
return ret;
}
static void xrandr14_free_monitors( struct x11drv_monitor *monitors )
{
heap_free( monitors );
}
static BOOL xrandr14_device_change_handler( HWND hwnd, XEvent *event )
{
if (hwnd == GetDesktopWindow() && GetWindowThreadProcessId( hwnd, NULL ) == GetCurrentThreadId())
X11DRV_DisplayDevices_Init( TRUE );
return FALSE;
}
static void xrandr14_register_event_handlers(void)
{
Display *display = thread_init_display();
int event_base, error_base;
if (!pXRRQueryExtension( display, &event_base, &error_base ))
return;
pXRRSelectInput( display, root_window,
RRCrtcChangeNotifyMask | RROutputChangeNotifyMask | RRProviderChangeNotifyMask );
X11DRV_register_event_handler( event_base + RRNotify_CrtcChange, xrandr14_device_change_handler,
"XRandR CrtcChange" );
X11DRV_register_event_handler( event_base + RRNotify_OutputChange, xrandr14_device_change_handler,
"XRandR OutputChange" );
X11DRV_register_event_handler( event_base + RRNotify_ProviderChange, xrandr14_device_change_handler,
"XRandR ProviderChange" );
}
#endif
void X11DRV_XRandR_Init(void)
{
struct x11drv_display_device_handler handler;
int event_base, error_base, minor, ret;
static int major;
Bool ok;
if (major) return; /* already initialized? */
if (!usexrandr) return; /* disabled in config */
if (is_virtual_desktop()) return;
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);
#ifdef HAVE_XRRGETSCREENRESOURCES
if (ret >= 2 && (major > 1 || (major == 1 && minor >= 2)))
{
if (major > 1 || (major == 1 && minor >= 3))
pXRRGetScreenResourcesCurrent = dlsym( xrandr_handle, "XRRGetScreenResourcesCurrent" );
if (!pXRRGetScreenResourcesCurrent)
pXRRGetScreenResourcesCurrent = pXRRGetScreenResources;
}
if (!pXRRGetScreenResourcesCurrent || xrandr12_init_modes() < 0)
#endif
xrandr10_init_modes();
#ifdef HAVE_XRRGETPROVIDERRESOURCES
if (ret >= 4 && (major > 1 || (major == 1 && minor >= 4)))
{
handler.name = "XRandR 1.4";
handler.priority = 200;
handler.get_gpus = xrandr14_get_gpus;
handler.get_adapters = xrandr14_get_adapters;
handler.get_monitors = xrandr14_get_monitors;
handler.free_gpus = xrandr14_free_gpus;
handler.free_adapters = xrandr14_free_adapters;
handler.free_monitors = xrandr14_free_monitors;
handler.register_event_handlers = xrandr14_register_event_handlers;
X11DRV_DisplayDevices_SetHandler( &handler );
}
#endif
}
#else /* SONAME_LIBXRANDR */
void X11DRV_XRandR_Init(void)
{
TRACE("XRandR support not compiled in.\n");
}
#endif /* SONAME_LIBXRANDR */
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