6f734aecae
It is easier, and potentially more precise, to compute the inverse in the server where everything can eventually be kept in floating point form.
1362 lines
31 KiB
C
1362 lines
31 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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#include "swaprep.h"
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#include "registry.h"
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RESTYPE RRCrtcType;
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/*
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* Notify the CRTC of some change
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*/
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void
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RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
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{
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ScreenPtr pScreen = crtc->pScreen;
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crtc->changed = TRUE;
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if (pScreen)
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{
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rrScrPriv(pScreen);
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pScrPriv->changed = TRUE;
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/*
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* Send ConfigureNotify on any layout change
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*/
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if (layoutChanged)
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pScrPriv->layoutChanged = TRUE;
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}
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}
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static void
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RRTransformInit (RRTransformPtr transform)
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{
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PictureTransformInitIdentity (&transform->transform);
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PictureTransformInitIdentity (&transform->inverse);
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transform->filter = NULL;
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transform->params = NULL;
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transform->nparams = 0;
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}
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static Bool
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RRTransformSetFilter (RRTransformPtr dst,
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PictFilterPtr filter,
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xFixed *params,
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int nparams,
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int width,
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int height)
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{
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xFixed *new_params;
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if (nparams)
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{
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new_params = xalloc (nparams * sizeof (xFixed));
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if (!new_params)
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return FALSE;
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memcpy (new_params, params, nparams * sizeof (xFixed));
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}
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else
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new_params = NULL;
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if (dst->params)
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xfree (dst->params);
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dst->filter = filter;
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dst->params = new_params;
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dst->nparams = nparams;
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dst->width = width;
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dst->height = height;
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return TRUE;
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}
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static Bool
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RRTransformCopy (RRTransformPtr dst, RRTransformPtr src)
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{
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if (!RRTransformSetFilter (dst, src->filter,
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src->params, src->nparams, src->width, src->height))
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return FALSE;
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dst->transform = src->transform;
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dst->inverse = src->inverse;
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return TRUE;
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}
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/*
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* Create a CRTC
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*/
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RRCrtcPtr
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RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
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{
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RRCrtcPtr crtc;
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RRCrtcPtr *crtcs;
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rrScrPrivPtr pScrPriv;
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if (!RRInit())
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return NULL;
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pScrPriv = rrGetScrPriv(pScreen);
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/* make space for the crtc pointer */
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if (pScrPriv->numCrtcs)
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crtcs = xrealloc (pScrPriv->crtcs,
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(pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
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else
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crtcs = xalloc (sizeof (RRCrtcPtr));
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if (!crtcs)
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return FALSE;
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pScrPriv->crtcs = crtcs;
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crtc = xcalloc (1, sizeof (RRCrtcRec));
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if (!crtc)
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return NULL;
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crtc->id = FakeClientID (0);
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crtc->pScreen = pScreen;
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crtc->mode = NULL;
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crtc->x = 0;
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crtc->y = 0;
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crtc->rotation = RR_Rotate_0;
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crtc->rotations = RR_Rotate_0;
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crtc->outputs = NULL;
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crtc->numOutputs = 0;
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crtc->gammaSize = 0;
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crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
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crtc->changed = FALSE;
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crtc->devPrivate = devPrivate;
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RRTransformInit (&crtc->client_pending_transform);
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RRTransformInit (&crtc->client_current_transform);
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PictureTransformInitIdentity (&crtc->transform);
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PictureTransformInitIdentity (&crtc->inverse);
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if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
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return NULL;
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/* attach the screen and crtc together */
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crtc->pScreen = pScreen;
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pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
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return crtc;
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}
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/*
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* Set the allowed rotations on a CRTC
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*/
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void
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RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)
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{
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crtc->rotations = rotations;
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}
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/*
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* Set whether transforms are allowed on a CRTC
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*/
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void
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RRCrtcSetTransform (RRCrtcPtr crtc, Bool transforms)
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{
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crtc->transforms = transforms;
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}
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/*
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* Notify the extension that the Crtc has been reconfigured,
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* the driver calls this whenever it has updated the mode
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*/
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Bool
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RRCrtcNotify (RRCrtcPtr crtc,
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RRModePtr mode,
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int x,
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int y,
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Rotation rotation,
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int numOutputs,
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RROutputPtr *outputs)
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{
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int i, j;
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/*
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* Check to see if any of the new outputs were
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* not in the old list and mark them as changed
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*/
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for (i = 0; i < numOutputs; i++)
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{
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for (j = 0; j < crtc->numOutputs; j++)
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if (outputs[i] == crtc->outputs[j])
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break;
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if (j == crtc->numOutputs)
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{
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outputs[i]->crtc = crtc;
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RROutputChanged (outputs[i], FALSE);
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RRCrtcChanged (crtc, FALSE);
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}
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}
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/*
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* Check to see if any of the old outputs are
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* not in the new list and mark them as changed
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*/
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for (j = 0; j < crtc->numOutputs; j++)
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{
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for (i = 0; i < numOutputs; i++)
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if (outputs[i] == crtc->outputs[j])
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break;
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if (i == numOutputs)
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{
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if (crtc->outputs[j]->crtc == crtc)
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crtc->outputs[j]->crtc = NULL;
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RROutputChanged (crtc->outputs[j], FALSE);
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RRCrtcChanged (crtc, FALSE);
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}
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}
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/*
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* Reallocate the crtc output array if necessary
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*/
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if (numOutputs != crtc->numOutputs)
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{
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RROutputPtr *newoutputs;
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if (numOutputs)
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{
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if (crtc->numOutputs)
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newoutputs = xrealloc (crtc->outputs,
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numOutputs * sizeof (RROutputPtr));
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else
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newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
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if (!newoutputs)
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return FALSE;
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}
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else
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{
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if (crtc->outputs)
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xfree (crtc->outputs);
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newoutputs = NULL;
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}
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crtc->outputs = newoutputs;
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crtc->numOutputs = numOutputs;
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}
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/*
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* Copy the new list of outputs into the crtc
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*/
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memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
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/*
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* Update remaining crtc fields
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*/
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if (mode != crtc->mode)
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{
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if (crtc->mode)
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RRModeDestroy (crtc->mode);
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crtc->mode = mode;
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if (mode != NULL)
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mode->refcnt++;
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RRCrtcChanged (crtc, TRUE);
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}
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if (x != crtc->x)
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{
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crtc->x = x;
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RRCrtcChanged (crtc, TRUE);
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}
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if (y != crtc->y)
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{
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crtc->y = y;
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RRCrtcChanged (crtc, TRUE);
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}
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if (rotation != crtc->rotation)
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{
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crtc->rotation = rotation;
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RRCrtcChanged (crtc, TRUE);
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}
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return TRUE;
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}
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void
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RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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rrScrPriv (pScreen);
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xRRCrtcChangeNotifyEvent ce;
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RRModePtr mode = crtc->mode;
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ce.type = RRNotify + RREventBase;
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ce.subCode = RRNotify_CrtcChange;
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ce.sequenceNumber = client->sequence;
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ce.timestamp = pScrPriv->lastSetTime.milliseconds;
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ce.window = pWin->drawable.id;
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ce.crtc = crtc->id;
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ce.rotation = crtc->rotation;
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if (mode)
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{
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ce.mode = mode->mode.id;
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ce.x = crtc->x;
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ce.y = crtc->y;
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ce.width = mode->mode.width;
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ce.height = mode->mode.height;
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}
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else
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{
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ce.mode = None;
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ce.x = 0;
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ce.y = 0;
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ce.width = 0;
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ce.height = 0;
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}
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WriteEventsToClient (client, 1, (xEvent *) &ce);
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}
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static Bool
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RRCrtcPendingProperties (RRCrtcPtr crtc)
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{
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ScreenPtr pScreen = crtc->pScreen;
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rrScrPriv(pScreen);
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int o;
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for (o = 0; o < pScrPriv->numOutputs; o++)
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{
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RROutputPtr output = pScrPriv->outputs[o];
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if (output->crtc == crtc && output->pendingProperties)
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return TRUE;
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}
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return FALSE;
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}
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/*
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* Request that the Crtc be reconfigured
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*/
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Bool
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RRCrtcSet (RRCrtcPtr crtc,
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RRModePtr mode,
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int x,
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int y,
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Rotation rotation,
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int numOutputs,
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RROutputPtr *outputs)
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{
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ScreenPtr pScreen = crtc->pScreen;
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Bool ret = FALSE;
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rrScrPriv(pScreen);
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/* See if nothing changed */
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if (crtc->mode == mode &&
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crtc->x == x &&
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crtc->y == y &&
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crtc->rotation == rotation &&
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crtc->numOutputs == numOutputs &&
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!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&
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!RRCrtcPendingProperties (crtc) &&
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!RRCrtcPendingTransform (crtc))
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{
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ret = TRUE;
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}
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else
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{
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#if RANDR_12_INTERFACE
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if (pScrPriv->rrCrtcSet)
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{
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ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y,
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rotation, numOutputs, outputs);
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}
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else
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#endif
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{
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#if RANDR_10_INTERFACE
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if (pScrPriv->rrSetConfig)
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{
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RRScreenSize size;
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RRScreenRate rate;
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if (!mode)
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{
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RRCrtcNotify (crtc, NULL, x, y, rotation, 0, NULL);
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ret = TRUE;
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}
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else
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{
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size.width = mode->mode.width;
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size.height = mode->mode.height;
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if (outputs[0]->mmWidth && outputs[0]->mmHeight)
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{
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size.mmWidth = outputs[0]->mmWidth;
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size.mmHeight = outputs[0]->mmHeight;
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}
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else
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{
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size.mmWidth = pScreen->mmWidth;
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size.mmHeight = pScreen->mmHeight;
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}
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size.nRates = 1;
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rate.rate = RRVerticalRefresh (&mode->mode);
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size.pRates = &rate;
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ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
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/*
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* Old 1.0 interface tied screen size to mode size
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*/
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if (ret)
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{
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RRCrtcNotify (crtc, mode, x, y, rotation, 1, outputs);
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RRScreenSizeNotify (pScreen);
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}
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}
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}
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#endif
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}
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if (ret)
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{
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int o;
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RRTellChanged (pScreen);
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for (o = 0; o < numOutputs; o++)
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RRPostPendingProperties (outputs[o]);
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}
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}
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return ret;
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}
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/*
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* Return crtc transform
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*/
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RRTransformPtr
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RRCrtcGetTransform (RRCrtcPtr crtc)
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{
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RRTransformPtr transform = &crtc->client_pending_transform;
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if (PictureTransformIsIdentity (&transform->transform))
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return NULL;
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return transform;
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}
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/*
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* Mark the pending transform as current
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*/
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void
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RRCrtcPostPendingTransform (RRCrtcPtr crtc)
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{
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RRTransformCopy (&crtc->client_current_transform,
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&crtc->client_pending_transform);
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RRComputeTransform (crtc->mode, crtc->rotation, crtc->x, crtc->y,
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&crtc->client_current_transform.transform,
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&crtc->client_current_transform.inverse,
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&crtc->transform,
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&crtc->inverse);
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}
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/*
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* Check whether the pending and current transforms are the same
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*/
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Bool
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RRCrtcPendingTransform (RRCrtcPtr crtc)
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{
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return memcmp (&crtc->client_current_transform.transform,
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&crtc->client_pending_transform.transform,
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sizeof (PictTransform)) != 0;
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}
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/*
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* Destroy a Crtc at shutdown
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*/
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void
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RRCrtcDestroy (RRCrtcPtr crtc)
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{
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FreeResource (crtc->id, 0);
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}
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static int
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RRCrtcDestroyResource (pointer value, XID pid)
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{
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RRCrtcPtr crtc = (RRCrtcPtr) value;
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ScreenPtr pScreen = crtc->pScreen;
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if (pScreen)
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{
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rrScrPriv(pScreen);
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int i;
|
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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{
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if (pScrPriv->crtcs[i] == crtc)
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{
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memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
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(pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
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--pScrPriv->numCrtcs;
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break;
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}
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}
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}
|
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if (crtc->gammaRed)
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xfree (crtc->gammaRed);
|
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if (crtc->mode)
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RRModeDestroy (crtc->mode);
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xfree (crtc);
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return 1;
|
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}
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|
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/*
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* Request that the Crtc gamma be changed
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*/
|
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|
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Bool
|
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RRCrtcGammaSet (RRCrtcPtr crtc,
|
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CARD16 *red,
|
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CARD16 *green,
|
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CARD16 *blue)
|
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{
|
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Bool ret = TRUE;
|
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#if RANDR_12_INTERFACE
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ScreenPtr pScreen = crtc->pScreen;
|
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#endif
|
|
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memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
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memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
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memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
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#if RANDR_12_INTERFACE
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if (pScreen)
|
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{
|
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rrScrPriv(pScreen);
|
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if (pScrPriv->rrCrtcSetGamma)
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ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
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}
|
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#endif
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return ret;
|
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}
|
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|
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/*
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* Notify the extension that the Crtc gamma has been changed
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* The driver calls this whenever it has changed the gamma values
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* in the RRCrtcRec
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*/
|
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|
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Bool
|
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RRCrtcGammaNotify (RRCrtcPtr crtc)
|
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{
|
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return TRUE; /* not much going on here */
|
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}
|
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|
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static void
|
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RRModeGetScanoutSize (RRModePtr mode, PictTransformPtr transform,
|
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int *width, int *height)
|
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{
|
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BoxRec box;
|
|
|
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if (mode == NULL) {
|
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*width = 0;
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*height = 0;
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return;
|
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}
|
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|
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box.x1 = 0;
|
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box.y1 = 0;
|
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box.x2 = mode->mode.width;
|
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box.y2 = mode->mode.height;
|
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|
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PictureTransformBounds (&box, transform);
|
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*width = box.x2 - box.x1;
|
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*height = box.y2 - box.y1;
|
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}
|
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|
|
/**
|
|
* Returns the width/height that the crtc scans out from the framebuffer
|
|
*/
|
|
void
|
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RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
|
|
{
|
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return RRModeGetScanoutSize (crtc->mode, &crtc->transform, width, height);
|
|
}
|
|
|
|
/*
|
|
* Set the size of the gamma table at server startup time
|
|
*/
|
|
|
|
Bool
|
|
RRCrtcGammaSetSize (RRCrtcPtr crtc,
|
|
int size)
|
|
{
|
|
CARD16 *gamma;
|
|
|
|
if (size == crtc->gammaSize)
|
|
return TRUE;
|
|
if (size)
|
|
{
|
|
gamma = xalloc (size * 3 * sizeof (CARD16));
|
|
if (!gamma)
|
|
return FALSE;
|
|
}
|
|
else
|
|
gamma = NULL;
|
|
if (crtc->gammaRed)
|
|
xfree (crtc->gammaRed);
|
|
crtc->gammaRed = gamma;
|
|
crtc->gammaGreen = gamma + size;
|
|
crtc->gammaBlue = gamma + size*2;
|
|
crtc->gammaSize = size;
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Set the pending CRTC transformation
|
|
*/
|
|
|
|
int
|
|
RRCrtcTransformSet (RRCrtcPtr crtc,
|
|
PictTransformPtr transform,
|
|
PictTransformPtr inverse,
|
|
char *filter_name,
|
|
int filter_len,
|
|
xFixed *params,
|
|
int nparams)
|
|
{
|
|
PictFilterPtr filter = NULL;
|
|
int width = 0, height = 0;
|
|
|
|
if (!crtc->transforms)
|
|
return BadValue;
|
|
|
|
if (filter_len)
|
|
{
|
|
filter = PictureFindFilter (crtc->pScreen,
|
|
filter_name,
|
|
filter_len);
|
|
if (!filter)
|
|
return BadName;
|
|
if (filter->ValidateParams)
|
|
{
|
|
if (!filter->ValidateParams (crtc->pScreen, filter->id,
|
|
params, nparams, &width, &height))
|
|
return BadMatch;
|
|
}
|
|
else {
|
|
width = filter->width;
|
|
height = filter->height;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (nparams)
|
|
return BadMatch;
|
|
}
|
|
if (!RRTransformSetFilter (&crtc->client_pending_transform,
|
|
filter, params, nparams, width, height))
|
|
return BadAlloc;
|
|
|
|
crtc->client_pending_transform.transform = *transform;
|
|
crtc->client_pending_transform.inverse = *inverse;
|
|
return Success;
|
|
}
|
|
|
|
#define F(x) IntToxFixed(x)
|
|
|
|
/*
|
|
* Compute the complete transformation matrix including
|
|
* client-specified transform, rotation/reflection values and the crtc
|
|
* offset.
|
|
*
|
|
* Return TRUE if the resulting transform is not a simple translation.
|
|
*/
|
|
Bool
|
|
RRComputeTransform (RRModePtr mode,
|
|
Rotation rotation,
|
|
int x,
|
|
int y,
|
|
PictTransformPtr client_transform,
|
|
PictTransformPtr client_inverse,
|
|
PictTransformPtr transform,
|
|
PictTransformPtr inverse)
|
|
{
|
|
PictureTransformInitIdentity (transform);
|
|
PictureTransformInitIdentity (inverse);
|
|
if (rotation != RR_Rotate_0)
|
|
{
|
|
xFixed rot_cos, rot_sin, rot_dx, rot_dy;
|
|
xFixed scale_x, scale_y, scale_dx, scale_dy;
|
|
int mode_w = mode->mode.width;
|
|
int mode_h = mode->mode.height;
|
|
|
|
/* rotation */
|
|
switch (rotation & 0xf) {
|
|
default:
|
|
case RR_Rotate_0:
|
|
rot_cos = F ( 1); rot_sin = F ( 0);
|
|
rot_dx = F ( 0); rot_dy = F ( 0);
|
|
break;
|
|
case RR_Rotate_90:
|
|
rot_cos = F ( 0); rot_sin = F ( 1);
|
|
rot_dx = F ( mode_h); rot_dy = F (0);
|
|
break;
|
|
case RR_Rotate_180:
|
|
rot_cos = F (-1); rot_sin = F ( 0);
|
|
rot_dx = F (mode_w); rot_dy = F ( mode_h);
|
|
break;
|
|
case RR_Rotate_270:
|
|
rot_cos = F ( 0); rot_sin = F (-1);
|
|
rot_dx = F ( 0); rot_dy = F ( mode_w);
|
|
break;
|
|
}
|
|
|
|
PictureTransformRotate (inverse, transform, rot_cos, rot_sin);
|
|
PictureTransformTranslate (inverse, transform, rot_dx, rot_dy);
|
|
|
|
/* reflection */
|
|
scale_x = F (1);
|
|
scale_dx = 0;
|
|
scale_y = F (1);
|
|
scale_dy = 0;
|
|
if (rotation & RR_Reflect_X)
|
|
{
|
|
scale_x = F(-1);
|
|
if (rotation & (RR_Rotate_0|RR_Rotate_180))
|
|
scale_dx = F(mode_w);
|
|
else
|
|
scale_dx = F(mode_h);
|
|
}
|
|
if (rotation & RR_Reflect_Y)
|
|
{
|
|
scale_y = F(-1);
|
|
if (rotation & (RR_Rotate_0|RR_Rotate_180))
|
|
scale_dy = F(mode_h);
|
|
else
|
|
scale_dy = F(mode_w);
|
|
}
|
|
|
|
PictureTransformScale (inverse, transform, scale_x, scale_y);
|
|
PictureTransformTranslate (inverse, transform, scale_dx, scale_dy);
|
|
}
|
|
|
|
#ifdef RANDR_12_INTERFACE
|
|
{
|
|
PictureTransformMultiply (inverse, client_inverse, inverse);
|
|
PictureTransformMultiply (transform, transform, client_transform);
|
|
}
|
|
#endif
|
|
/*
|
|
* Compute the class of the resulting transform
|
|
*/
|
|
if (PictureTransformIsIdentity (transform))
|
|
{
|
|
PictureTransformInitTranslate (inverse, F (-x), F (-y));
|
|
PictureTransformInitTranslate (transform, F ( x), F ( y));
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
PictureTransformTranslate (inverse, transform, x, y);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Initialize crtc type
|
|
*/
|
|
Bool
|
|
RRCrtcInit (void)
|
|
{
|
|
RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
|
|
if (!RRCrtcType)
|
|
return FALSE;
|
|
RegisterResourceName (RRCrtcType, "CRTC");
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
ProcRRGetCrtcInfo (ClientPtr client)
|
|
{
|
|
REQUEST(xRRGetCrtcInfoReq);
|
|
xRRGetCrtcInfoReply rep;
|
|
RRCrtcPtr crtc;
|
|
CARD8 *extra;
|
|
unsigned long extraLen;
|
|
ScreenPtr pScreen;
|
|
rrScrPrivPtr pScrPriv;
|
|
RRModePtr mode;
|
|
RROutput *outputs;
|
|
RROutput *possible;
|
|
int i, j, k, n;
|
|
int width, height;
|
|
|
|
REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
|
|
crtc = LookupCrtc(client, stuff->crtc, DixReadAccess);
|
|
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
/* All crtcs must be associated with screens before client
|
|
* requests are processed
|
|
*/
|
|
pScreen = crtc->pScreen;
|
|
pScrPriv = rrGetScrPriv(pScreen);
|
|
|
|
mode = crtc->mode;
|
|
|
|
rep.type = X_Reply;
|
|
rep.status = RRSetConfigSuccess;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.length = 0;
|
|
rep.timestamp = pScrPriv->lastSetTime.milliseconds;
|
|
rep.x = crtc->x;
|
|
rep.y = crtc->y;
|
|
RRCrtcGetScanoutSize (crtc, &width, &height);
|
|
rep.width = width;
|
|
rep.height = height;
|
|
rep.mode = mode ? mode->mode.id : 0;
|
|
rep.rotation = crtc->rotation;
|
|
rep.rotations = crtc->rotations;
|
|
rep.nOutput = crtc->numOutputs;
|
|
k = 0;
|
|
for (i = 0; i < pScrPriv->numOutputs; i++)
|
|
for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
|
|
if (pScrPriv->outputs[i]->crtcs[j] == crtc)
|
|
k++;
|
|
rep.nPossibleOutput = k;
|
|
|
|
rep.length = rep.nOutput + rep.nPossibleOutput;
|
|
|
|
extraLen = rep.length << 2;
|
|
if (extraLen)
|
|
{
|
|
extra = xalloc (extraLen);
|
|
if (!extra)
|
|
return BadAlloc;
|
|
}
|
|
else
|
|
extra = NULL;
|
|
|
|
outputs = (RROutput *) extra;
|
|
possible = (RROutput *) (outputs + rep.nOutput);
|
|
|
|
for (i = 0; i < crtc->numOutputs; i++)
|
|
{
|
|
outputs[i] = crtc->outputs[i]->id;
|
|
if (client->swapped)
|
|
swapl (&outputs[i], n);
|
|
}
|
|
k = 0;
|
|
for (i = 0; i < pScrPriv->numOutputs; i++)
|
|
for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
|
|
if (pScrPriv->outputs[i]->crtcs[j] == crtc)
|
|
{
|
|
possible[k] = pScrPriv->outputs[i]->id;
|
|
if (client->swapped)
|
|
swapl (&possible[k], n);
|
|
k++;
|
|
}
|
|
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber, n);
|
|
swapl(&rep.length, n);
|
|
swapl(&rep.timestamp, n);
|
|
swaps(&rep.x, n);
|
|
swaps(&rep.y, n);
|
|
swaps(&rep.width, n);
|
|
swaps(&rep.height, n);
|
|
swapl(&rep.mode, n);
|
|
swaps(&rep.rotation, n);
|
|
swaps(&rep.rotations, n);
|
|
swaps(&rep.nOutput, n);
|
|
swaps(&rep.nPossibleOutput, n);
|
|
}
|
|
WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
|
|
if (extraLen)
|
|
{
|
|
WriteToClient (client, extraLen, (char *) extra);
|
|
xfree (extra);
|
|
}
|
|
|
|
return client->noClientException;
|
|
}
|
|
|
|
int
|
|
ProcRRSetCrtcConfig (ClientPtr client)
|
|
{
|
|
REQUEST(xRRSetCrtcConfigReq);
|
|
xRRSetCrtcConfigReply rep;
|
|
ScreenPtr pScreen;
|
|
rrScrPrivPtr pScrPriv;
|
|
RRCrtcPtr crtc;
|
|
RRModePtr mode;
|
|
int numOutputs;
|
|
RROutputPtr *outputs = NULL;
|
|
RROutput *outputIds;
|
|
TimeStamp configTime;
|
|
TimeStamp time;
|
|
Rotation rotation;
|
|
int i, j;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
|
|
numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
|
|
|
|
crtc = LookupIDByType (stuff->crtc, RRCrtcType);
|
|
if (!crtc)
|
|
{
|
|
client->errorValue = stuff->crtc;
|
|
return RRErrorBase + BadRRCrtc;
|
|
}
|
|
if (stuff->mode == None)
|
|
{
|
|
mode = NULL;
|
|
if (numOutputs > 0)
|
|
return BadMatch;
|
|
}
|
|
else
|
|
{
|
|
mode = LookupIDByType (stuff->mode, RRModeType);
|
|
if (!mode)
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return RRErrorBase + BadRRMode;
|
|
}
|
|
if (numOutputs == 0)
|
|
return BadMatch;
|
|
}
|
|
if (numOutputs)
|
|
{
|
|
outputs = xalloc (numOutputs * sizeof (RROutputPtr));
|
|
if (!outputs)
|
|
return BadAlloc;
|
|
}
|
|
else
|
|
outputs = NULL;
|
|
|
|
outputIds = (RROutput *) (stuff + 1);
|
|
for (i = 0; i < numOutputs; i++)
|
|
{
|
|
outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
|
|
if (!outputs[i])
|
|
{
|
|
client->errorValue = outputIds[i];
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return RRErrorBase + BadRROutput;
|
|
}
|
|
/* validate crtc for this output */
|
|
for (j = 0; j < outputs[i]->numCrtcs; j++)
|
|
if (outputs[i]->crtcs[j] == crtc)
|
|
break;
|
|
if (j == outputs[i]->numCrtcs)
|
|
{
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadMatch;
|
|
}
|
|
/* validate mode for this output */
|
|
for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)
|
|
{
|
|
RRModePtr m = (j < outputs[i]->numModes ?
|
|
outputs[i]->modes[j] :
|
|
outputs[i]->userModes[j - outputs[i]->numModes]);
|
|
if (m == mode)
|
|
break;
|
|
}
|
|
if (j == outputs[i]->numModes + outputs[i]->numUserModes)
|
|
{
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadMatch;
|
|
}
|
|
}
|
|
/* validate clones */
|
|
for (i = 0; i < numOutputs; i++)
|
|
{
|
|
for (j = 0; j < numOutputs; j++)
|
|
{
|
|
int k;
|
|
if (i == j)
|
|
continue;
|
|
for (k = 0; k < outputs[i]->numClones; k++)
|
|
{
|
|
if (outputs[i]->clones[k] == outputs[j])
|
|
break;
|
|
}
|
|
if (k == outputs[i]->numClones)
|
|
{
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadMatch;
|
|
}
|
|
}
|
|
}
|
|
|
|
pScreen = crtc->pScreen;
|
|
pScrPriv = rrGetScrPriv(pScreen);
|
|
|
|
time = ClientTimeToServerTime(stuff->timestamp);
|
|
configTime = ClientTimeToServerTime(stuff->configTimestamp);
|
|
|
|
if (!pScrPriv)
|
|
{
|
|
time = currentTime;
|
|
rep.status = RRSetConfigFailed;
|
|
goto sendReply;
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* if the client's config timestamp is not the same as the last config
|
|
* timestamp, then the config information isn't up-to-date and
|
|
* can't even be validated
|
|
*/
|
|
if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
|
|
{
|
|
rep.status = RRSetConfigInvalidConfigTime;
|
|
goto sendReply;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Validate requested rotation
|
|
*/
|
|
rotation = (Rotation) stuff->rotation;
|
|
|
|
/* test the rotation bits only! */
|
|
switch (rotation & 0xf) {
|
|
case RR_Rotate_0:
|
|
case RR_Rotate_90:
|
|
case RR_Rotate_180:
|
|
case RR_Rotate_270:
|
|
break;
|
|
default:
|
|
/*
|
|
* Invalid rotation
|
|
*/
|
|
client->errorValue = stuff->rotation;
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadValue;
|
|
}
|
|
|
|
if (mode)
|
|
{
|
|
if ((~crtc->rotations) & rotation)
|
|
{
|
|
/*
|
|
* requested rotation or reflection not supported by screen
|
|
*/
|
|
client->errorValue = stuff->rotation;
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadMatch;
|
|
}
|
|
|
|
#ifdef RANDR_12_INTERFACE
|
|
/*
|
|
* Check screen size bounds if the DDX provides a 1.2 interface
|
|
* for setting screen size. Else, assume the CrtcSet sets
|
|
* the size along with the mode
|
|
*/
|
|
if (pScrPriv->rrScreenSetSize)
|
|
{
|
|
int source_width;
|
|
int source_height;
|
|
PictTransform transform, inverse;
|
|
|
|
RRComputeTransform (mode, stuff->rotation,
|
|
stuff->x, stuff->y,
|
|
&crtc->client_pending_transform.transform,
|
|
&crtc->client_pending_transform.inverse,
|
|
&transform, &inverse);
|
|
|
|
RRModeGetScanoutSize (mode, &transform, &source_width, &source_height);
|
|
if (stuff->x + source_width > pScreen->width)
|
|
{
|
|
client->errorValue = stuff->x;
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadValue;
|
|
}
|
|
|
|
if (stuff->y + source_height > pScreen->height)
|
|
{
|
|
client->errorValue = stuff->y;
|
|
if (outputs)
|
|
xfree (outputs);
|
|
return BadValue;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Make sure the requested set-time is not older than
|
|
* the last set-time
|
|
*/
|
|
if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
|
|
{
|
|
rep.status = RRSetConfigInvalidTime;
|
|
goto sendReply;
|
|
}
|
|
|
|
if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
|
|
rotation, numOutputs, outputs))
|
|
{
|
|
rep.status = RRSetConfigFailed;
|
|
goto sendReply;
|
|
}
|
|
rep.status = RRSetConfigSuccess;
|
|
|
|
sendReply:
|
|
if (outputs)
|
|
xfree (outputs);
|
|
|
|
rep.type = X_Reply;
|
|
/* rep.status has already been filled in */
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds;
|
|
|
|
if (client->swapped)
|
|
{
|
|
int n;
|
|
swaps(&rep.sequenceNumber, n);
|
|
swapl(&rep.length, n);
|
|
swapl(&rep.newTimestamp, n);
|
|
}
|
|
WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
|
|
|
|
return client->noClientException;
|
|
}
|
|
|
|
int
|
|
ProcRRGetCrtcGammaSize (ClientPtr client)
|
|
{
|
|
REQUEST(xRRGetCrtcGammaSizeReq);
|
|
xRRGetCrtcGammaSizeReply reply;
|
|
RRCrtcPtr crtc;
|
|
int n;
|
|
|
|
REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
|
|
crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
reply.type = X_Reply;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.length = 0;
|
|
reply.size = crtc->gammaSize;
|
|
if (client->swapped) {
|
|
swaps (&reply.sequenceNumber, n);
|
|
swapl (&reply.length, n);
|
|
swaps (&reply.size, n);
|
|
}
|
|
WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
|
|
return client->noClientException;
|
|
}
|
|
|
|
int
|
|
ProcRRGetCrtcGamma (ClientPtr client)
|
|
{
|
|
REQUEST(xRRGetCrtcGammaReq);
|
|
xRRGetCrtcGammaReply reply;
|
|
RRCrtcPtr crtc;
|
|
int n;
|
|
unsigned long len;
|
|
char *extra;
|
|
|
|
REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
|
|
crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
len = crtc->gammaSize * 3 * 2;
|
|
|
|
if (crtc->gammaSize) {
|
|
extra = xalloc(len);
|
|
if (!extra)
|
|
return BadAlloc;
|
|
}
|
|
|
|
reply.type = X_Reply;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.length = (len + 3) >> 2;
|
|
reply.size = crtc->gammaSize;
|
|
if (client->swapped) {
|
|
swaps (&reply.sequenceNumber, n);
|
|
swapl (&reply.length, n);
|
|
swaps (&reply.size, n);
|
|
}
|
|
WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
|
|
if (crtc->gammaSize)
|
|
{
|
|
memcpy(extra, crtc->gammaRed, len);
|
|
client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
|
|
WriteSwappedDataToClient (client, len, extra);
|
|
xfree(extra);
|
|
}
|
|
return client->noClientException;
|
|
}
|
|
|
|
int
|
|
ProcRRSetCrtcGamma (ClientPtr client)
|
|
{
|
|
REQUEST(xRRSetCrtcGammaReq);
|
|
RRCrtcPtr crtc;
|
|
unsigned long len;
|
|
CARD16 *red, *green, *blue;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
|
|
crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
|
|
if (len < (stuff->size * 3 + 1) >> 1)
|
|
return BadLength;
|
|
|
|
if (stuff->size != crtc->gammaSize)
|
|
return BadMatch;
|
|
|
|
red = (CARD16 *) (stuff + 1);
|
|
green = red + crtc->gammaSize;
|
|
blue = green + crtc->gammaSize;
|
|
|
|
RRCrtcGammaSet (crtc, red, green, blue);
|
|
|
|
return Success;
|
|
}
|
|
|
|
/* Version 1.3 additions */
|
|
|
|
int
|
|
ProcRRSetCrtcTransform (ClientPtr client)
|
|
{
|
|
REQUEST(xRRSetCrtcTransformReq);
|
|
RRCrtcPtr crtc;
|
|
PictTransform transform, inverse;
|
|
char *filter;
|
|
int nbytes;
|
|
xFixed *params;
|
|
int nparams;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq);
|
|
crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
PictTransform_from_xRenderTransform (&transform, &stuff->transform);
|
|
if (!PictureTransformInvert (&inverse, &transform))
|
|
return BadMatch;
|
|
|
|
filter = (char *) (stuff + 1);
|
|
nbytes = stuff->nbytesFilter;
|
|
params = (xFixed *) (filter + ((nbytes + 3) & ~3));
|
|
nparams = ((xFixed *) stuff + client->req_len) - params;
|
|
if (nparams < 0)
|
|
return BadLength;
|
|
|
|
return RRCrtcTransformSet (crtc, &transform, &inverse,
|
|
filter, nbytes, params, nparams);
|
|
}
|
|
|
|
|
|
#define CrtcTransformExtra (SIZEOF(xRRGetCrtcTransformReply) - 32)
|
|
|
|
static int
|
|
transform_filter_length (RRTransformPtr transform)
|
|
{
|
|
int nbytes, nparams;
|
|
|
|
if (transform->filter == NULL)
|
|
return 0;
|
|
nbytes = strlen (transform->filter->name);
|
|
nparams = transform->nparams;
|
|
return ((nbytes + 3) & ~3) + (nparams * sizeof (xFixed));
|
|
}
|
|
|
|
static int
|
|
transform_filter_encode (ClientPtr client, char *output,
|
|
CARD16 *nbytesFilter,
|
|
CARD16 *nparamsFilter,
|
|
RRTransformPtr transform)
|
|
{
|
|
int nbytes, nparams;
|
|
int n;
|
|
|
|
if (transform->filter == NULL) {
|
|
*nbytesFilter = 0;
|
|
*nparamsFilter = 0;
|
|
return 0;
|
|
}
|
|
nbytes = strlen (transform->filter->name);
|
|
nparams = transform->nparams;
|
|
*nbytesFilter = nbytes;
|
|
*nparamsFilter = nparams;
|
|
memcpy (output, transform->filter->name, nbytes);
|
|
while ((nbytes & 3) != 0)
|
|
output[nbytes++] = 0;
|
|
memcpy (output + nbytes, transform->params, nparams * sizeof (xFixed));
|
|
if (client->swapped) {
|
|
swaps (nbytesFilter, n);
|
|
swaps (nparamsFilter, n);
|
|
SwapLongs ((CARD32 *) (output + nbytes),
|
|
nparams * sizeof (xFixed));
|
|
}
|
|
nbytes += nparams * sizeof (xFixed);
|
|
return nbytes;
|
|
}
|
|
|
|
static void
|
|
transform_encode (ClientPtr client, xRenderTransform *wire, PictTransform *pict)
|
|
{
|
|
xRenderTransform_from_PictTransform (wire, pict);
|
|
if (client->swapped)
|
|
SwapLongs ((CARD32 *) wire, sizeof (xRenderTransform));
|
|
}
|
|
|
|
int
|
|
ProcRRGetCrtcTransform (ClientPtr client)
|
|
{
|
|
REQUEST(xRRGetCrtcTransformReq);
|
|
xRRGetCrtcTransformReply *reply;
|
|
RRCrtcPtr crtc;
|
|
int n, nextra;
|
|
RRTransformPtr current, pending;
|
|
char *extra;
|
|
|
|
REQUEST_SIZE_MATCH (xRRGetCrtcTransformReq);
|
|
crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
|
|
if (!crtc)
|
|
return RRErrorBase + BadRRCrtc;
|
|
|
|
pending = &crtc->client_pending_transform;
|
|
current = &crtc->client_current_transform;
|
|
|
|
nextra = (transform_filter_length (pending) +
|
|
transform_filter_length (current));
|
|
|
|
reply = xalloc (sizeof (xRRGetCrtcTransformReply) + nextra);
|
|
if (!reply)
|
|
return BadAlloc;
|
|
|
|
extra = (char *) (reply + 1);
|
|
reply->type = X_Reply;
|
|
reply->sequenceNumber = client->sequence;
|
|
reply->length = (CrtcTransformExtra + nextra) >> 2;
|
|
|
|
reply->hasTransforms = crtc->transforms;
|
|
|
|
transform_encode (client, &reply->pendingTransform, &pending->transform);
|
|
extra += transform_filter_encode (client, extra,
|
|
&reply->pendingNbytesFilter,
|
|
&reply->pendingNparamsFilter,
|
|
pending);
|
|
|
|
transform_encode (client, &reply->currentTransform, ¤t->transform);
|
|
extra += transform_filter_encode (client, extra,
|
|
&reply->currentNbytesFilter,
|
|
&reply->currentNparamsFilter,
|
|
current);
|
|
|
|
if (client->swapped) {
|
|
swaps (&reply->sequenceNumber, n);
|
|
swapl (&reply->length, n);
|
|
}
|
|
WriteToClient (client, sizeof (xRRGetCrtcTransformReply) + nextra, (char *) reply);
|
|
return client->noClientException;
|
|
}
|