c4f30c6353
Output options and mode origins both affected driver ABI. memmove mistakes were causing 'Freeing resource which isn't there' messages. Prune unused non-user defined modes from available list now.
339 lines
8.2 KiB
C
339 lines
8.2 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.mmWidth = size->mmWidth;
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modeInfo.mmHeight = size->mmHeight;
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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 (pScreen, &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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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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RROutputSetCrtc (output, crtc);
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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 = RRFirstOutput (pScreen);
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if (!output)
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return;
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crtc = output->crtc;
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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; i++)
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{
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RRModePtr mode = output->modes[i];
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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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if (minWidth != pScrPriv->minWidth) {
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pScrPriv->minWidth = minWidth; pScrPriv->changed = TRUE;
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}
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if (maxWidth != pScrPriv->maxWidth) {
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pScrPriv->maxWidth = maxWidth; pScrPriv->changed = TRUE;
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}
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if (minHeight != pScrPriv->minHeight) {
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pScrPriv->minHeight = minHeight; pScrPriv->changed = TRUE;
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}
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if (maxHeight != pScrPriv->maxHeight) {
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pScrPriv->maxHeight = maxHeight; pScrPriv->changed = TRUE;
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}
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/* notice current mode */
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if (newMode)
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RRCrtcNotify (output->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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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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RRModePruneUnused (pScreen);
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RRTellChanged (pScreen);
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return TRUE;
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}
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#if RANDR_12_INTERFACE
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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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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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}
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#endif
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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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