b2dcfbca24
RRFirstOutput returns the first active output, which won't be set until after RRScanOldConfig is finished running. Instead, just use the first output (which is the only output present with an old driver, after all).
336 lines
8.1 KiB
C
336 lines
8.1 KiB
C
/*
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* Copyright © 2006 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "randrstr.h"
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#ifdef RANDR_10_INTERFACE
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static RRModePtr
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RROldModeAdd (RROutputPtr output, RRScreenSizePtr size, int refresh)
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{
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ScreenPtr pScreen = output->pScreen;
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rrScrPriv(pScreen);
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xRRModeInfo modeInfo;
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char name[100];
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RRModePtr mode;
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int i;
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RRModePtr *modes;
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memset (&modeInfo, '\0', sizeof (modeInfo));
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sprintf (name, "%dx%d", size->width, size->height);
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modeInfo.width = size->width;
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modeInfo.height = size->height;
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modeInfo.hTotal = size->width;
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modeInfo.vTotal = size->height;
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modeInfo.dotClock = ((CARD32) size->width * (CARD32) size->height *
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(CARD32) refresh);
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modeInfo.nameLength = strlen (name);
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mode = RRModeGet (&modeInfo, name);
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if (!mode)
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return NULL;
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for (i = 0; i < output->numModes; i++)
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if (output->modes[i] == mode)
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{
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RRModeDestroy (mode);
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return mode;
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}
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if (output->numModes)
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modes = xrealloc (output->modes,
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(output->numModes + 1) * sizeof (RRModePtr));
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else
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modes = xalloc (sizeof (RRModePtr));
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if (!modes)
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{
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RRModeDestroy (mode);
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FreeResource (mode->mode.id, 0);
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return NULL;
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}
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modes[output->numModes++] = mode;
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output->modes = modes;
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output->changed = TRUE;
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pScrPriv->changed = TRUE;
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pScrPriv->configChanged = TRUE;
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return mode;
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}
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static void
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RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
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{
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rrScrPriv(pScreen);
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RROutputPtr output;
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RRCrtcPtr crtc;
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RRModePtr mode, newMode = NULL;
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int i;
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CARD16 minWidth = MAXSHORT, minHeight = MAXSHORT;
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CARD16 maxWidth = 0, maxHeight = 0;
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/*
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* First time through, create a crtc and output and hook
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* them together
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*/
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if (pScrPriv->numOutputs == 0 &&
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pScrPriv->numCrtcs == 0)
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{
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crtc = RRCrtcCreate (pScreen, NULL);
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if (!crtc)
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return;
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output = RROutputCreate (pScreen, "default", 7, NULL);
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if (!output)
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return;
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RROutputSetCrtcs (output, &crtc, 1);
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RROutputSetConnection (output, RR_Connected);
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#ifdef RENDER
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RROutputSetSubpixelOrder (output, PictureGetSubpixelOrder (pScreen));
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#endif
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}
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output = pScrPriv->outputs[0];
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if (!output)
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return;
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crtc = pScrPriv->crtcs[0];
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if (!crtc)
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return;
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/* check rotations */
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if (rotations != crtc->rotations)
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{
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crtc->rotations = rotations;
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crtc->changed = TRUE;
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pScrPriv->changed = TRUE;
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}
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/* regenerate mode list */
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for (i = 0; i < pScrPriv->nSizes; i++)
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{
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RRScreenSizePtr size = &pScrPriv->pSizes[i];
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int r;
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if (size->nRates)
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{
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for (r = 0; r < size->nRates; r++)
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{
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mode = RROldModeAdd (output, size, size->pRates[r].rate);
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if (i == pScrPriv->size &&
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size->pRates[r].rate == pScrPriv->rate)
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{
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newMode = mode;
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}
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}
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xfree (size->pRates);
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}
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else
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{
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mode = RROldModeAdd (output, size, 0);
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if (i == pScrPriv->size)
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newMode = mode;
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}
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}
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if (pScrPriv->nSizes)
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xfree (pScrPriv->pSizes);
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pScrPriv->pSizes = NULL;
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pScrPriv->nSizes = 0;
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/* find size bounds */
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for (i = 0; i < output->numModes + output->numUserModes; i++)
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{
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RRModePtr mode = (i < output->numModes ?
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output->modes[i] :
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output->userModes[i-output->numModes]);
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CARD16 width = mode->mode.width;
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CARD16 height = mode->mode.height;
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if (width < minWidth) minWidth = width;
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if (width > maxWidth) maxWidth = width;
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if (height < minHeight) minHeight = height;
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if (height > maxHeight) maxHeight = height;
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}
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RRScreenSetSizeRange (pScreen, minWidth, minHeight, maxWidth, maxHeight);
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/* notice current mode */
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if (newMode)
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RRCrtcNotify (crtc, newMode, 0, 0, pScrPriv->rotation,
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1, &output);
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}
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#endif
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/*
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* Poll the driver for changed information
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*/
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Bool
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RRGetInfo (ScreenPtr pScreen)
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{
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rrScrPriv (pScreen);
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Rotation rotations;
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int i;
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for (i = 0; i < pScrPriv->numOutputs; i++)
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pScrPriv->outputs[i]->changed = FALSE;
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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pScrPriv->crtcs[i]->changed = FALSE;
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rotations = 0;
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pScrPriv->changed = FALSE;
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pScrPriv->configChanged = FALSE;
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if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
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return FALSE;
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#if RANDR_10_INTERFACE
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if (pScrPriv->nSizes)
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RRScanOldConfig (pScreen, rotations);
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#endif
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RRTellChanged (pScreen);
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return TRUE;
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}
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/*
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* Register the range of sizes for the screen
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*/
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void
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RRScreenSetSizeRange (ScreenPtr pScreen,
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CARD16 minWidth,
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CARD16 minHeight,
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CARD16 maxWidth,
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CARD16 maxHeight)
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{
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rrScrPriv (pScreen);
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if (!pScrPriv)
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return;
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if (pScrPriv->minWidth == minWidth && pScrPriv->minHeight == minHeight &&
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pScrPriv->maxWidth == maxWidth && pScrPriv->maxHeight == maxHeight)
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{
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return;
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}
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pScrPriv->minWidth = minWidth;
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pScrPriv->minHeight = minHeight;
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pScrPriv->maxWidth = maxWidth;
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pScrPriv->maxHeight = maxHeight;
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pScrPriv->changed = TRUE;
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pScrPriv->configChanged = TRUE;
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}
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#ifdef RANDR_10_INTERFACE
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static Bool
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RRScreenSizeMatches (RRScreenSizePtr a,
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RRScreenSizePtr b)
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{
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if (a->width != b->width)
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return FALSE;
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if (a->height != b->height)
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return FALSE;
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if (a->mmWidth != b->mmWidth)
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return FALSE;
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if (a->mmHeight != b->mmHeight)
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return FALSE;
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return TRUE;
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}
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RRScreenSizePtr
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RRRegisterSize (ScreenPtr pScreen,
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short width,
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short height,
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short mmWidth,
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short mmHeight)
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{
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rrScrPriv (pScreen);
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int i;
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RRScreenSize tmp;
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RRScreenSizePtr pNew;
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if (!pScrPriv)
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return 0;
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tmp.id = 0;
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tmp.width = width;
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tmp.height= height;
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tmp.mmWidth = mmWidth;
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tmp.mmHeight = mmHeight;
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tmp.pRates = 0;
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tmp.nRates = 0;
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for (i = 0; i < pScrPriv->nSizes; i++)
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if (RRScreenSizeMatches (&tmp, &pScrPriv->pSizes[i]))
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return &pScrPriv->pSizes[i];
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pNew = xrealloc (pScrPriv->pSizes,
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(pScrPriv->nSizes + 1) * sizeof (RRScreenSize));
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if (!pNew)
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return 0;
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pNew[pScrPriv->nSizes++] = tmp;
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pScrPriv->pSizes = pNew;
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return &pNew[pScrPriv->nSizes-1];
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}
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Bool RRRegisterRate (ScreenPtr pScreen,
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RRScreenSizePtr pSize,
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int rate)
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{
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rrScrPriv(pScreen);
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int i;
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RRScreenRatePtr pNew, pRate;
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if (!pScrPriv)
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return FALSE;
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for (i = 0; i < pSize->nRates; i++)
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if (pSize->pRates[i].rate == rate)
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return TRUE;
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pNew = xrealloc (pSize->pRates,
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(pSize->nRates + 1) * sizeof (RRScreenRate));
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if (!pNew)
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return FALSE;
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pRate = &pNew[pSize->nRates++];
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pRate->rate = rate;
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pSize->pRates = pNew;
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return TRUE;
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}
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Rotation
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RRGetRotation(ScreenPtr pScreen)
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{
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RROutputPtr output = RRFirstOutput (pScreen);
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if (!output)
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return RR_Rotate_0;
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return output->crtc->rotation;
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}
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void
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RRSetCurrentConfig (ScreenPtr pScreen,
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Rotation rotation,
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int rate,
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RRScreenSizePtr pSize)
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{
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rrScrPriv (pScreen);
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if (!pScrPriv)
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return;
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pScrPriv->size = pSize - pScrPriv->pSizes;
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pScrPriv->rotation = rotation;
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pScrPriv->rate = rate;
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}
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#endif
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