From a7971771a8ab6f6f76a2a8e482dbb3a30901af1c Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 25 Feb 2011 07:31:13 +0000 Subject: xserver randrproto mesa xkeyboard-config git update 25 Feb 2011 --- xorg-server/randr/rrcrtc.c | 3150 +++++++++++++++++++------------------------- 1 file changed, 1351 insertions(+), 1799 deletions(-) (limited to 'xorg-server/randr/rrcrtc.c') diff --git a/xorg-server/randr/rrcrtc.c b/xorg-server/randr/rrcrtc.c index 524fcd266..98206a2b9 100644 --- a/xorg-server/randr/rrcrtc.c +++ b/xorg-server/randr/rrcrtc.c @@ -1,1799 +1,1351 @@ -/* - * Copyright © 2006 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that copyright - * notice and this permission notice appear in supporting documentation, and - * that the name of the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#include "randrstr.h" -#include "swaprep.h" - -RESTYPE RRCrtcType; - -/* - * Notify the CRTC of some change - */ -void -RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged) -{ - ScreenPtr pScreen = crtc->pScreen; - - crtc->changed = TRUE; - if (pScreen) - { - rrScrPriv(pScreen); - - pScrPriv->changed = TRUE; - /* - * Send ConfigureNotify on any layout change - */ - if (layoutChanged) - pScrPriv->layoutChanged = TRUE; - } -} - -/* - * Create a CRTC - */ -RRCrtcPtr -RRCrtcCreate (ScreenPtr pScreen, void *devPrivate) -{ - RRCrtcPtr crtc; - RRCrtcPtr *crtcs; - rrScrPrivPtr pScrPriv; - - if (!RRInit()) - return NULL; - - pScrPriv = rrGetScrPriv(pScreen); - - /* make space for the crtc pointer */ - if (pScrPriv->numCrtcs) - crtcs = realloc(pScrPriv->crtcs, - (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr)); - else - crtcs = malloc(sizeof (RRCrtcPtr)); - if (!crtcs) - return FALSE; - pScrPriv->crtcs = crtcs; - - crtc = calloc(1, sizeof (RRCrtcRec)); - if (!crtc) - return NULL; - crtc->id = FakeClientID (0); - crtc->pScreen = pScreen; - crtc->mode = NULL; - crtc->x = 0; - crtc->y = 0; - crtc->rotation = RR_Rotate_0; - crtc->rotations = RR_Rotate_0; - crtc->outputs = NULL; - crtc->numOutputs = 0; - crtc->gammaSize = 0; - crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL; - crtc->changed = FALSE; - crtc->devPrivate = devPrivate; - RRTransformInit (&crtc->client_pending_transform); - RRTransformInit (&crtc->client_current_transform); - pixman_transform_init_identity (&crtc->client_sprite_position_transform); - pixman_transform_init_identity (&crtc->client_sprite_image_transform); - pixman_transform_init_identity (&crtc->transform); - pixman_f_transform_init_identity (&crtc->f_transform); - pixman_f_transform_init_identity (&crtc->f_inverse); - pixman_f_transform_init_identity (&crtc->f_sprite_position); - pixman_f_transform_init_identity (&crtc->f_sprite_image_inverse); - - if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc)) - return NULL; - - /* attach the screen and crtc together */ - crtc->pScreen = pScreen; - pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc; - - return crtc; -} - -/* - * Set the allowed rotations on a CRTC - */ -void -RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations) -{ - crtc->rotations = rotations; -} - -/* - * Set whether transforms are allowed on a CRTC - */ -void -RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms) -{ - crtc->transforms = transforms; -} - -/* - * Notify the extension that the Crtc has been reconfigured, - * the driver calls this whenever it has updated the mode - */ -Bool -RRCrtcNotify (RRCrtcPtr crtc, - RRModePtr mode, - int x, - int y, - Rotation rotation, - RRTransformPtr transform, - int numOutputs, - RROutputPtr *outputs, - PixmapPtr scanoutPixmap) -{ - int i, j; - - /* - * Check to see if any of the new outputs were - * not in the old list and mark them as changed - */ - for (i = 0; i < numOutputs; i++) - { - for (j = 0; j < crtc->numOutputs; j++) - if (outputs[i] == crtc->outputs[j]) - break; - if (j == crtc->numOutputs) - { - outputs[i]->crtc = crtc; - RROutputChanged (outputs[i], FALSE); - RRCrtcChanged (crtc, FALSE); - } - } - /* - * Check to see if any of the old outputs are - * not in the new list and mark them as changed - */ - for (j = 0; j < crtc->numOutputs; j++) - { - for (i = 0; i < numOutputs; i++) - if (outputs[i] == crtc->outputs[j]) - break; - if (i == numOutputs) - { - if (crtc->outputs[j]->crtc == crtc) - crtc->outputs[j]->crtc = NULL; - RROutputChanged (crtc->outputs[j], FALSE); - RRCrtcChanged (crtc, FALSE); - } - } - /* - * Reallocate the crtc output array if necessary - */ - if (numOutputs != crtc->numOutputs) - { - RROutputPtr *newoutputs; - - if (numOutputs) - { - if (crtc->numOutputs) - newoutputs = realloc(crtc->outputs, - numOutputs * sizeof (RROutputPtr)); - else - newoutputs = malloc(numOutputs * sizeof (RROutputPtr)); - if (!newoutputs) - return FALSE; - } - else - { - free(crtc->outputs); - newoutputs = NULL; - } - crtc->outputs = newoutputs; - crtc->numOutputs = numOutputs; - } - /* - * Copy the new list of outputs into the crtc - */ - memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)); - /* - * Update remaining crtc fields - */ - if (mode != crtc->mode) - { - if (crtc->mode) - RRModeDestroy (crtc->mode); - crtc->mode = mode; - if (mode != NULL) - mode->refcnt++; - RRCrtcChanged (crtc, TRUE); - } - if (x != crtc->x) - { - crtc->x = x; - RRCrtcChanged (crtc, TRUE); - } - if (y != crtc->y) - { - crtc->y = y; - RRCrtcChanged (crtc, TRUE); - } - if (rotation != crtc->rotation) - { - crtc->rotation = rotation; - RRCrtcChanged (crtc, TRUE); - } - if (!RRTransformEqual (transform, &crtc->client_current_transform)) { - RRTransformCopy (&crtc->client_current_transform, transform); - RRCrtcChanged (crtc, TRUE); - } - - if (scanoutPixmap != crtc->scanoutPixmap) - { - if (scanoutPixmap) - ++scanoutPixmap->refcnt; - if (crtc->scanoutPixmap) - (*crtc->scanoutPixmap->drawable.pScreen->DestroyPixmap) (crtc->scanoutPixmap); - crtc->scanoutPixmap = scanoutPixmap; - } - - if (crtc->changed && mode) - { - RRTransformCompute (x, y, - mode->mode.width, mode->mode.height, - rotation, - &crtc->client_current_transform, - &crtc->client_sprite_f_position_transform, - &crtc->client_sprite_f_image_transform, - &crtc->transform, &crtc->f_transform, - &crtc->f_inverse, &crtc->f_sprite_position, - &crtc->f_sprite_image_inverse, - NULL); - } - - return TRUE; -} - -void -RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - rrScrPriv (pScreen); - xRRCrtcChangeNotifyEvent ce; - RRModePtr mode = crtc->mode; - - ce.type = RRNotify + RREventBase; - ce.subCode = RRNotify_CrtcChange; - ce.timestamp = pScrPriv->lastSetTime.milliseconds; - ce.window = pWin->drawable.id; - ce.crtc = crtc->id; - ce.rotation = crtc->rotation; - if (mode) - { - ce.mode = mode->mode.id; - ce.x = crtc->x; - ce.y = crtc->y; - ce.width = mode->mode.width; - ce.height = mode->mode.height; - } - else - { - ce.mode = None; - ce.x = 0; - ce.y = 0; - ce.width = 0; - ce.height = 0; - } - WriteEventsToClient (client, 1, (xEvent *) &ce); -} - -static Bool -RRCrtcPendingProperties (RRCrtcPtr crtc) -{ - ScreenPtr pScreen = crtc->pScreen; - rrScrPriv(pScreen); - int o; - - for (o = 0; o < pScrPriv->numOutputs; o++) - { - RROutputPtr output = pScrPriv->outputs[o]; - if (output->crtc == crtc && output->pendingProperties) - return TRUE; - } - return FALSE; -} - -/* - * Request that the Crtc be reconfigured - */ -Bool -RRCrtcSet (RRCrtcPtr crtc, - RRModePtr mode, - int x, - int y, - Rotation rotation, - int numOutputs, - RROutputPtr *outputs, - PixmapPtr scanout_pixmap) -{ - ScreenPtr pScreen = crtc->pScreen; - Bool ret = FALSE; - rrScrPriv(pScreen); - - /* See if nothing changed */ - if (crtc->mode == mode && - crtc->x == x && - crtc->y == y && - crtc->rotation == rotation && - crtc->numOutputs == numOutputs && - !memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) && - !RRCrtcPendingProperties (crtc) && - !RRCrtcPendingTransform (crtc) && - crtc->scanoutPixmap == scanout_pixmap) - { - ret = TRUE; - } - else - { -#if RANDR_12_INTERFACE - if (pScrPriv->rrCrtcSet) - { - ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, - rotation, numOutputs, outputs, scanout_pixmap); - } - else -#endif - { -#if RANDR_10_INTERFACE - if (pScrPriv->rrSetConfig) - { - RRScreenSize size; - RRScreenRate rate; - - if (!mode) - { - RRCrtcNotify (crtc, NULL, x, y, rotation, NULL, 0, NULL, scanout_pixmap); - ret = TRUE; - } - else - { - size.width = mode->mode.width; - size.height = mode->mode.height; - if (outputs[0]->mmWidth && outputs[0]->mmHeight) - { - size.mmWidth = outputs[0]->mmWidth; - size.mmHeight = outputs[0]->mmHeight; - } - else - { - size.mmWidth = pScreen->mmWidth; - size.mmHeight = pScreen->mmHeight; - } - size.nRates = 1; - rate.rate = RRVerticalRefresh (&mode->mode); - size.pRates = &rate; - ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size); - /* - * Old 1.0 interface tied screen size to mode size - */ - if (ret) - { - RRCrtcNotify (crtc, mode, x, y, rotation, NULL, 1, outputs, scanout_pixmap); - RRScreenSizeNotify (pScreen); - } - } - } -#endif - } - if (ret) - { - int o; - RRTellChanged (pScreen); - - for (o = 0; o < numOutputs; o++) - RRPostPendingProperties (outputs[o]); - } - } - return ret; -} - -void -RRFreeCrtcConfigs(RRCrtcConfigPtr configs, int num_configs) -{ - int i; - - for (i = 0; i < num_configs; i++) - free(configs[i].outputs); - free(configs); -} - -Bool -RRCrtcCurrentConfig(RRCrtcPtr crtc, - RRCrtcConfigPtr crtc_config) -{ - crtc_config->crtc = crtc; - crtc_config->x = crtc->x; - crtc_config->y = crtc->y; - crtc_config->mode = crtc->mode; - crtc_config->rotation = crtc->rotation; - crtc_config->numOutputs = crtc->numOutputs; - crtc_config->outputs = calloc(crtc->numOutputs, sizeof (RROutputPtr)); - if (!crtc_config->outputs) - return FALSE; - memcpy(crtc_config->outputs, crtc->outputs, crtc->numOutputs * sizeof (RROutputPtr)); - crtc_config->sprite_position_transform = crtc->client_sprite_position_transform; - crtc_config->sprite_image_transform = crtc->client_sprite_image_transform; - crtc_config->sprite_position_f_transform = crtc->client_sprite_f_position_transform; - crtc_config->sprite_image_f_transform = crtc->client_sprite_f_image_transform; - - crtc_config->pixmap = crtc->scanoutPixmap; - crtc_config->pixmap_x = crtc->x; - crtc_config->pixmap_y = crtc->y; - return TRUE; -} - - -/* - * Request that a set of crtcs be configured at the same - * time on a single screen - */ - -Bool -RRSetCrtcConfigs(ScreenPtr screen, - RRScreenConfigPtr screen_config, - RRCrtcConfigPtr crtc_configs, - int num_configs) -{ - rrScrPrivPtr scr_priv = rrGetScrPriv(screen); - - if (!scr_priv) - return FALSE; - return (*scr_priv->rrSetCrtcConfigs)(screen, screen_config, crtc_configs, num_configs); -} - -/* - * Return crtc transform - */ -RRTransformPtr -RRCrtcGetTransform (RRCrtcPtr crtc) -{ - RRTransformPtr transform = &crtc->client_pending_transform; - - if (pixman_transform_is_identity (&transform->transform)) - return NULL; - return transform; -} - -/* - * Check whether the pending and current transforms are the same - */ -Bool -RRCrtcPendingTransform (RRCrtcPtr crtc) -{ - return memcmp (&crtc->client_current_transform.transform, - &crtc->client_pending_transform.transform, - sizeof (PictTransform)) != 0; -} - -/* - * Destroy a Crtc at shutdown - */ -void -RRCrtcDestroy (RRCrtcPtr crtc) -{ - FreeResource (crtc->id, 0); -} - -static int -RRCrtcDestroyResource (pointer value, XID pid) -{ - RRCrtcPtr crtc = (RRCrtcPtr) value; - ScreenPtr pScreen = crtc->pScreen; - - if (pScreen) - { - rrScrPriv(pScreen); - int i; - - for (i = 0; i < pScrPriv->numCrtcs; i++) - { - if (pScrPriv->crtcs[i] == crtc) - { - memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1, - (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr)); - --pScrPriv->numCrtcs; - break; - } - } - } - free(crtc->gammaRed); - if (crtc->mode) - RRModeDestroy (crtc->mode); - free(crtc); - return 1; -} - -/* - * Request that the Crtc gamma be changed - */ - -Bool -RRCrtcGammaSet (RRCrtcPtr crtc, - CARD16 *red, - CARD16 *green, - CARD16 *blue) -{ - Bool ret = TRUE; -#if RANDR_12_INTERFACE - ScreenPtr pScreen = crtc->pScreen; -#endif - - memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16)); - memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16)); - memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16)); -#if RANDR_12_INTERFACE - if (pScreen) - { - rrScrPriv(pScreen); - if (pScrPriv->rrCrtcSetGamma) - ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc); - } -#endif - return ret; -} - -/* - * Request current gamma back from the DDX (if possible). - * This includes gamma size. - */ -Bool -RRCrtcGammaGet(RRCrtcPtr crtc) -{ - Bool ret = TRUE; -#if RANDR_12_INTERFACE - ScreenPtr pScreen = crtc->pScreen; -#endif - -#if RANDR_12_INTERFACE - if (pScreen) - { - rrScrPriv(pScreen); - if (pScrPriv->rrCrtcGetGamma) - ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc); - } -#endif - return ret; -} - -/* - * Notify the extension that the Crtc gamma has been changed - * The driver calls this whenever it has changed the gamma values - * in the RRCrtcRec - */ - -Bool -RRCrtcGammaNotify (RRCrtcPtr crtc) -{ - return TRUE; /* not much going on here */ -} - -/* - * Compute overall scanout buffer requirements for the specified mode - */ -void -RRModeGetScanoutSize (RRModePtr mode, struct pixman_f_transform *transform, - int *width, int *height) -{ - BoxRec box; - - if (mode == NULL) { - *width = 0; - *height = 0; - return; - } - - box.x1 = 0; - box.y1 = 0; - box.x2 = mode->mode.width; - box.y2 = mode->mode.height; - - pixman_f_transform_bounds (transform, &box); - *width = box.x2 - box.x1; - *height = box.y2 - box.y1; -} - -/** - * Returns the width/height that the crtc scans out from the framebuffer - */ -void -RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height) -{ - RRModeGetScanoutSize (crtc->mode, &crtc->f_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 = malloc(size * 3 * sizeof (CARD16)); - if (!gamma) - return FALSE; - } - else - gamma = NULL; - free(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, - struct pixman_f_transform *f_transform, - struct pixman_f_transform *f_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.f_transform = *f_transform; - crtc->client_pending_transform.f_inverse = *f_inverse; - return Success; -} - -/* - * Figure out whether the specific crtc_config can fit - * within the screen_config - */ -Bool -RRScreenCoversCrtc(RRScreenConfigPtr screen_config, - RRCrtcConfigPtr crtc_config, - RRTransformPtr client_transform, - XID *errorValue) -{ - int source_width; - int source_height; - struct pixman_f_transform f_transform; - - RRTransformCompute (crtc_config->x, crtc_config->y, - crtc_config->mode->mode.width, crtc_config->mode->mode.height, - crtc_config->rotation, - client_transform, - &crtc_config->sprite_position_f_transform, - &crtc_config->sprite_image_f_transform, - NULL, &f_transform, NULL, NULL, NULL, NULL); - - RRModeGetScanoutSize (crtc_config->mode, &f_transform, - &source_width, &source_height); - if (crtc_config->x + source_width > screen_config->screen_pixmap_width) { - if (errorValue) - *errorValue = crtc_config->x; - return FALSE; - } - - if (crtc_config->y + source_height > screen_config->screen_pixmap_height) { - if (errorValue) - *errorValue = crtc_config->y; - return FALSE; - } - return TRUE; -} - -/* - * Initialize crtc type - */ -Bool -RRCrtcInit (void) -{ - RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource, "CRTC"); - if (!RRCrtcType) - return FALSE; - - return TRUE; -} - -/* - * Initialize crtc type error value - */ -void -RRCrtcInitErrorValue(void) -{ - SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc); -} - -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; - BoxRec panned_area; - - REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - /* 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; - if (pScrPriv->rrGetPanning && - pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) && - (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) - { - rep.x = panned_area.x1; - rep.y = panned_area.y1; - rep.width = panned_area.x2 - panned_area.x1; - rep.height = panned_area.y2 - panned_area.y1; - } - else - { - RRCrtcGetScanoutSize (crtc, &width, &height); - rep.x = crtc->x; - rep.y = crtc->y; - 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 = malloc(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); - free(extra); - } - - return Success; -} - -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 rc, i, j; - - REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq); - numOutputs = (stuff->length - bytes_to_int32(SIZEOF (xRRSetCrtcConfigReq))); - - VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess); - - if (stuff->mode == None) - { - mode = NULL; - if (numOutputs > 0) - return BadMatch; - } - else - { - VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess); - if (numOutputs == 0) - return BadMatch; - } - if (numOutputs) - { - outputs = malloc(numOutputs * sizeof (RROutputPtr)); - if (!outputs) - return BadAlloc; - } - else - outputs = NULL; - - outputIds = (RROutput *) (stuff + 1); - for (i = 0; i < numOutputs; i++) - { - rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i], - RROutputType, client, DixSetAttrAccess); - if (rc != Success) - { - free(outputs); - return rc; - } - /* 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) - { - free(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) - { - free(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) - { - free(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; - } - - /* - * 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; - free(outputs); - return BadValue; - } - - if (mode) - { - if ((~crtc->rotations) & rotation) - { - /* - * requested rotation or reflection not supported by screen - */ - client->errorValue = stuff->rotation; - free(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 the driver supports transforms, - * then it must allow crtcs to display a subset of the screen, so - * only do this check for drivers without transform support. - */ - if (pScrPriv->rrScreenSetSize && !crtc->transforms) - { - int source_width; - int source_height; - PictTransform transform; - struct pixman_f_transform f_transform, f_inverse; - - RRTransformCompute (stuff->x, stuff->y, - mode->mode.width, mode->mode.height, - rotation, - &crtc->client_pending_transform, - &crtc->client_sprite_f_position_transform, - &crtc->client_sprite_f_image_transform, - &transform, &f_transform, &f_inverse, NULL, NULL, NULL); - - RRModeGetScanoutSize (mode, &f_transform, - &source_width, &source_height); - if (stuff->x + source_width > pScreen->width) - { - client->errorValue = stuff->x; - free(outputs); - return BadValue; - } - - if (stuff->y + source_height > pScreen->height) - { - client->errorValue = stuff->y; - free(outputs); - return BadValue; - } - } -#endif - } - - if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y, - rotation, numOutputs, outputs, NULL)) - { - rep.status = RRSetConfigFailed; - goto sendReply; - } - rep.status = RRSetConfigSuccess; - pScrPriv->lastSetTime = time; - -sendReply: - free(outputs); - - rep.type = X_Reply; - /* rep.status has already been filled in */ - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.newTimestamp = pScrPriv->lastSetTime.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 Success; -} - -int -ProcRRGetPanning (ClientPtr client) -{ - REQUEST(xRRGetPanningReq); - xRRGetPanningReply rep; - RRCrtcPtr crtc; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - BoxRec total; - BoxRec tracking; - INT16 border[4]; - int n; - - REQUEST_SIZE_MATCH(xRRGetPanningReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - /* All crtcs must be associated with screens before client - * requests are processed - */ - pScreen = crtc->pScreen; - pScrPriv = rrGetScrPriv(pScreen); - - if (!pScrPriv) - return RRErrorBase + BadRRCrtc; - - memset(&rep, 0, sizeof(rep)); - rep.type = X_Reply; - rep.status = RRSetConfigSuccess; - rep.sequenceNumber = client->sequence; - rep.length = 1; - rep.timestamp = pScrPriv->lastSetTime.milliseconds; - - if (pScrPriv->rrGetPanning && - pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border)) { - rep.left = total.x1; - rep.top = total.y1; - rep.width = total.x2 - total.x1; - rep.height = total.y2 - total.y1; - rep.track_left = tracking.x1; - rep.track_top = tracking.y1; - rep.track_width = tracking.x2 - tracking.x1; - rep.track_height = tracking.y2 - tracking.y1; - rep.border_left = border[0]; - rep.border_top = border[1]; - rep.border_right = border[2]; - rep.border_bottom = border[3]; - } - - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.timestamp, n); - swaps(&rep.left, n); - swaps(&rep.top, n); - swaps(&rep.width, n); - swaps(&rep.height, n); - swaps(&rep.track_left, n); - swaps(&rep.track_top, n); - swaps(&rep.track_width, n); - swaps(&rep.track_height, n); - swaps(&rep.border_left, n); - swaps(&rep.border_top, n); - swaps(&rep.border_right, n); - swaps(&rep.border_bottom, n); - } - WriteToClient(client, sizeof(xRRGetPanningReply), (char *)&rep); - return Success; -} - -int -ProcRRSetPanning (ClientPtr client) -{ - REQUEST(xRRSetPanningReq); - xRRSetPanningReply rep; - RRCrtcPtr crtc; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - TimeStamp time; - BoxRec total; - BoxRec tracking; - INT16 border[4]; - int n; - - REQUEST_SIZE_MATCH(xRRSetPanningReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - /* All crtcs must be associated with screens before client - * requests are processed - */ - pScreen = crtc->pScreen; - pScrPriv = rrGetScrPriv(pScreen); - - if (!pScrPriv) { - time = currentTime; - rep.status = RRSetConfigFailed; - goto sendReply; - } - - time = ClientTimeToServerTime(stuff->timestamp); - - if (!pScrPriv->rrGetPanning) - return RRErrorBase + BadRRCrtc; - - total.x1 = stuff->left; - total.y1 = stuff->top; - total.x2 = total.x1 + stuff->width; - total.y2 = total.y1 + stuff->height; - tracking.x1 = stuff->track_left; - tracking.y1 = stuff->track_top; - tracking.x2 = tracking.x1 + stuff->track_width; - tracking.y2 = tracking.y1 + stuff->track_height; - border[0] = stuff->border_left; - border[1] = stuff->border_top; - border[2] = stuff->border_right; - border[3] = stuff->border_bottom; - - if (! pScrPriv->rrSetPanning (pScreen, crtc, &total, &tracking, border)) - return BadMatch; - - pScrPriv->lastSetTime = time; - - rep.status = RRSetConfigSuccess; - -sendReply: - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.newTimestamp = pScrPriv->lastSetTime.milliseconds; - - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.newTimestamp, n); - } - WriteToClient(client, sizeof(xRRSetPanningReply), (char *)&rep); - return Success; -} - -int -ProcRRGetCrtcGammaSize (ClientPtr client) -{ - REQUEST(xRRGetCrtcGammaSizeReq); - xRRGetCrtcGammaSizeReply reply; - RRCrtcPtr crtc; - int n; - - REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - /* Gamma retrieval failed, any better error? */ - if (!RRCrtcGammaGet(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 Success; -} - -int -ProcRRGetCrtcGamma (ClientPtr client) -{ - REQUEST(xRRGetCrtcGammaReq); - xRRGetCrtcGammaReply reply; - RRCrtcPtr crtc; - int n; - unsigned long len; - char *extra = NULL; - - REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - /* Gamma retrieval failed, any better error? */ - if (!RRCrtcGammaGet(crtc)) - return RRErrorBase + BadRRCrtc; - - len = crtc->gammaSize * 3 * 2; - - if (crtc->gammaSize) { - extra = malloc(len); - if (!extra) - return BadAlloc; - } - - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - reply.length = bytes_to_int32(len); - 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); - free(extra); - } - return Success; -} - -int -ProcRRSetCrtcGamma (ClientPtr client) -{ - REQUEST(xRRSetCrtcGammaReq); - RRCrtcPtr crtc; - unsigned long len; - CARD16 *red, *green, *blue; - - REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - len = client->req_len - bytes_to_int32(sizeof (xRRSetCrtcGammaReq)); - 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; - struct pixman_f_transform f_transform, f_inverse; - char *filter; - int nbytes; - xFixed *params; - int nparams; - - REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - PictTransform_from_xRenderTransform (&transform, &stuff->transform); - pixman_f_transform_from_pixman_transform (&f_transform, &transform); - if (!pixman_f_transform_invert (&f_inverse, &f_transform)) - return BadMatch; - - filter = (char *) (stuff + 1); - nbytes = stuff->nbytesFilter; - params = (xFixed *) (filter + pad_to_int32(nbytes)); - nparams = ((xFixed *) stuff + client->req_len) - params; - if (nparams < 0) - return BadLength; - - return RRCrtcTransformSet (crtc, &transform, &f_transform, &f_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 pad_to_int32(nbytes) + (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); - } - 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, bytes_to_int32(sizeof(xRenderTransform))); -} - -int -ProcRRGetCrtcTransform (ClientPtr client) -{ - REQUEST(xRRGetCrtcTransformReq); - xRRGetCrtcTransformReply *reply; - RRCrtcPtr crtc; - int n, nextra; - RRTransformPtr current, pending; - char *extra; - - REQUEST_SIZE_MATCH (xRRGetCrtcTransformReq); - VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - - pending = &crtc->client_pending_transform; - current = &crtc->client_current_transform; - - nextra = (transform_filter_length (pending) + - transform_filter_length (current)); - - reply = malloc(sizeof (xRRGetCrtcTransformReply) + nextra); - if (!reply) - return BadAlloc; - - extra = (char *) (reply + 1); - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = bytes_to_int32(CrtcTransformExtra + nextra); - - 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); - free(reply); - return Success; -} - -static int -RRConvertCrtcConfig(ClientPtr client, ScreenPtr screen, - RRScreenConfigPtr screen_config, - RRCrtcConfigPtr config, xRRCrtcConfig *x, - RROutput *outputIds) -{ - RRCrtcPtr crtc; - RROutputPtr *outputs; - rrScrPrivPtr scr_priv; - RRModePtr mode; - PixmapPtr pixmap; - int rc, i, j; - Rotation rotation; - - VERIFY_RR_CRTC(x->crtc, crtc, DixSetAttrAccess); - - if (x->mode == None) - { - mode = NULL; - if (x->nOutput > 0) - return BadMatch; - } - else - { - VERIFY_RR_MODE(x->mode, mode, DixSetAttrAccess); - if (x->nOutput == 0) - return BadMatch; - } - if (x->nOutput) - { - outputs = malloc(x->nOutput * sizeof (RROutputPtr)); - if (!outputs) - return BadAlloc; - } - else - outputs = NULL; - - if (x->pixmap == None) - pixmap = NULL; - else if (x->pixmap == RR_CurrentScanoutPixmap) - pixmap = crtc->scanoutPixmap; - else - { - rc = dixLookupResourceByType((pointer *) &pixmap, x->pixmap, - RT_PIXMAP, client, DixWriteAccess); - if (rc != Success) { - free(outputs); - return rc; - } - /* XXX check to make sure this is a scanout pixmap */ - } - - for (i = 0; i < x->nOutput; i++) - { - rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i], - RROutputType, client, DixSetAttrAccess); - if (rc != Success) - { - free(outputs); - return rc; - } - /* 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) - { - free(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) - { - free(outputs); - return BadMatch; - } - } - /* validate clones */ - for (i = 0; i < x->nOutput; i++) - { - for (j = 0; j < x->nOutput; 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) - { - free(outputs); - return BadMatch; - } - } - } - - if (crtc->pScreen != screen) - return BadMatch; - - scr_priv = rrGetScrPriv(screen); - - config->crtc = crtc; - config->x = x->x; - config->y = x->y; - config->mode = mode; - config->rotation = x->rotation; - config->numOutputs = x->nOutput; - config->outputs = outputs; - PictTransform_from_xRenderTransform(&config->sprite_position_transform, - &x->spritePositionTransform); - PictTransform_from_xRenderTransform(&config->sprite_image_transform, - &x->spriteImageTransform); - pixman_f_transform_from_pixman_transform(&config->sprite_position_f_transform, - &config->sprite_position_transform); - pixman_f_transform_from_pixman_transform(&config->sprite_image_f_transform, - &config->sprite_image_transform); - config->pixmap = pixmap; - config->pixmap_x = x->xPixmap; - config->pixmap_y = x->yPixmap; - - /* - * Validate requested rotation - */ - rotation = (Rotation) x->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 = x->rotation; - free(outputs); - return BadValue; - } - - if (mode) - { - if ((~crtc->rotations) & rotation) - { - /* - * requested rotation or reflection not supported by screen - */ - client->errorValue = x->rotation; - free(outputs); - return BadMatch; - } - - /* - * If scanning out from another pixmap, make sure the mode - * fits - */ - if (pixmap) - { - if (x->xPixmap + mode->mode.width > pixmap->drawable.width) { - client->errorValue = x->xPixmap; - free(outputs); - return BadValue; - } - if (x->yPixmap + mode->mode.height > pixmap->drawable.height) { - client->errorValue = x->yPixmap; - free(outputs); - return BadValue; - } - } - /* - * 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 the driver supports transforms, - * then it must allow crtcs to display a subset of the screen, so - * only do this check for drivers without transform support. - */ - else if (scr_priv->rrScreenSetSize && !crtc->transforms) - { - if (!RRScreenCoversCrtc(screen_config, config, - &crtc->client_pending_transform, - &client->errorValue)) - { - free(outputs); - return BadValue; - } - } - } - - return Success; -} - -int -ProcRRSetCrtcConfigs (ClientPtr client) -{ - REQUEST(xRRSetCrtcConfigsReq); - xRRSetCrtcConfigsReply rep; - DrawablePtr drawable; - ScreenPtr screen; - rrScrPrivPtr scr_priv; - xRRCrtcConfig *x_configs; - RRScreenConfigRec screen_config; - RRCrtcConfigPtr configs = NULL; - RROutput *output_ids; - int num_configs = 0; - int rc, i; - int extra_len; - int num_output_ids; - - REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigsReq); - - extra_len = client->req_len - bytes_to_int32(sizeof(xRRSetCrtcConfigsReq)); - - num_configs = stuff->nConfigs; - - /* Check request length against number of configs specified */ - if (num_configs * (sizeof (xRRCrtcConfig) >> 2) > extra_len) - return BadLength; - - extra_len -= num_configs * (sizeof (xRRCrtcConfig) >> 2); - x_configs = (xRRCrtcConfig *) (stuff + 1); - - /* Check remaining request length against number of outputs */ - num_output_ids = 0; - for (i = 0; i < num_configs; i++) - num_output_ids += x_configs[i].nOutput; - - if (extra_len != num_output_ids) - return BadLength; - - rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixGetAttrAccess); - if (rc != Success) - return rc; - - screen = drawable->pScreen; - - scr_priv = rrGetScrPriv(screen); - - if (!scr_priv) - { - rep.status = RRSetConfigFailed; - goto sendReply; - } - - if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0) - { - client->errorValue = 0; - return BadValue; - } - - if (stuff->screenPixmapWidth < scr_priv->minWidth || - scr_priv->maxWidth < stuff->screenPixmapWidth) - { - client->errorValue = stuff->screenPixmapWidth; - return BadValue; - } - if (stuff->screenPixmapHeight < scr_priv->minHeight || - scr_priv->maxHeight < stuff->screenPixmapHeight) - { - client->errorValue = stuff->screenPixmapHeight; - return BadValue; - } - - screen_config.screen_pixmap_width = stuff->screenPixmapWidth; - screen_config.screen_pixmap_height = stuff->screenPixmapHeight; - screen_config.screen_width = stuff->screenWidth; - screen_config.screen_height = stuff->screenHeight; - screen_config.mm_width = stuff->widthInMillimeters; - screen_config.mm_height = stuff->heightInMillimeters; - - output_ids = (RROutput *) (x_configs + num_configs); - - /* - * Convert protocol crtc configurations into - * server crtc configurations - */ - configs = calloc(num_configs, sizeof (RRCrtcConfigRec)); - if (num_configs > 0 && configs == NULL) - return BadAlloc; - for (i = 0; i < num_configs; i++) { - rc = RRConvertCrtcConfig(client, screen, &screen_config, - &configs[i], - &x_configs[i], output_ids); - if (rc != Success) { - rep.status = RRSetConfigFailed; - goto sendReply; - } - output_ids += x_configs[i].nOutput; - } - - if (num_configs && - !RRSetCrtcConfigs (screen, &screen_config, configs, num_configs)) - { - rep.status = RRSetConfigFailed; - goto sendReply; - } - rep.status = RRSetConfigSuccess; - scr_priv->lastSetTime = currentTime; - -sendReply: - RRFreeCrtcConfigs(configs, num_configs); - - rep.type = X_Reply; - /* rep.status has already been filled in */ - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if (client->swapped) - { - int n; - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - } - WriteToClient(client, sizeof(xRRSetCrtcConfigsReply), (char *)&rep); - - return Success; -} +/* + * Copyright © 2006 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include "randrstr.h" +#include "swaprep.h" + +RESTYPE RRCrtcType; + +/* + * Notify the CRTC of some change + */ +void +RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged) +{ + ScreenPtr pScreen = crtc->pScreen; + + crtc->changed = TRUE; + if (pScreen) + { + rrScrPriv(pScreen); + + pScrPriv->changed = TRUE; + /* + * Send ConfigureNotify on any layout change + */ + if (layoutChanged) + pScrPriv->layoutChanged = TRUE; + } +} + +/* + * Create a CRTC + */ +RRCrtcPtr +RRCrtcCreate (ScreenPtr pScreen, void *devPrivate) +{ + RRCrtcPtr crtc; + RRCrtcPtr *crtcs; + rrScrPrivPtr pScrPriv; + + if (!RRInit()) + return NULL; + + pScrPriv = rrGetScrPriv(pScreen); + + /* make space for the crtc pointer */ + if (pScrPriv->numCrtcs) + crtcs = realloc(pScrPriv->crtcs, + (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr)); + else + crtcs = malloc(sizeof (RRCrtcPtr)); + if (!crtcs) + return FALSE; + pScrPriv->crtcs = crtcs; + + crtc = calloc(1, sizeof (RRCrtcRec)); + if (!crtc) + return NULL; + crtc->id = FakeClientID (0); + crtc->pScreen = pScreen; + crtc->mode = NULL; + crtc->x = 0; + crtc->y = 0; + crtc->rotation = RR_Rotate_0; + crtc->rotations = RR_Rotate_0; + crtc->outputs = NULL; + crtc->numOutputs = 0; + crtc->gammaSize = 0; + crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL; + crtc->changed = FALSE; + crtc->devPrivate = devPrivate; + RRTransformInit (&crtc->client_pending_transform); + RRTransformInit (&crtc->client_current_transform); + pixman_transform_init_identity (&crtc->transform); + pixman_f_transform_init_identity (&crtc->f_transform); + pixman_f_transform_init_identity (&crtc->f_inverse); + + if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc)) + return NULL; + + /* attach the screen and crtc together */ + crtc->pScreen = pScreen; + pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc; + + return crtc; +} + +/* + * Set the allowed rotations on a CRTC + */ +void +RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations) +{ + crtc->rotations = rotations; +} + +/* + * Set whether transforms are allowed on a CRTC + */ +void +RRCrtcSetTransformSupport (RRCrtcPtr crtc, Bool transforms) +{ + crtc->transforms = transforms; +} + +/* + * Notify the extension that the Crtc has been reconfigured, + * the driver calls this whenever it has updated the mode + */ +Bool +RRCrtcNotify (RRCrtcPtr crtc, + RRModePtr mode, + int x, + int y, + Rotation rotation, + RRTransformPtr transform, + int numOutputs, + RROutputPtr *outputs) +{ + int i, j; + + /* + * Check to see if any of the new outputs were + * not in the old list and mark them as changed + */ + for (i = 0; i < numOutputs; i++) + { + for (j = 0; j < crtc->numOutputs; j++) + if (outputs[i] == crtc->outputs[j]) + break; + if (j == crtc->numOutputs) + { + outputs[i]->crtc = crtc; + RROutputChanged (outputs[i], FALSE); + RRCrtcChanged (crtc, FALSE); + } + } + /* + * Check to see if any of the old outputs are + * not in the new list and mark them as changed + */ + for (j = 0; j < crtc->numOutputs; j++) + { + for (i = 0; i < numOutputs; i++) + if (outputs[i] == crtc->outputs[j]) + break; + if (i == numOutputs) + { + if (crtc->outputs[j]->crtc == crtc) + crtc->outputs[j]->crtc = NULL; + RROutputChanged (crtc->outputs[j], FALSE); + RRCrtcChanged (crtc, FALSE); + } + } + /* + * Reallocate the crtc output array if necessary + */ + if (numOutputs != crtc->numOutputs) + { + RROutputPtr *newoutputs; + + if (numOutputs) + { + if (crtc->numOutputs) + newoutputs = realloc(crtc->outputs, + numOutputs * sizeof (RROutputPtr)); + else + newoutputs = malloc(numOutputs * sizeof (RROutputPtr)); + if (!newoutputs) + return FALSE; + } + else + { + free(crtc->outputs); + newoutputs = NULL; + } + crtc->outputs = newoutputs; + crtc->numOutputs = numOutputs; + } + /* + * Copy the new list of outputs into the crtc + */ + memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)); + /* + * Update remaining crtc fields + */ + if (mode != crtc->mode) + { + if (crtc->mode) + RRModeDestroy (crtc->mode); + crtc->mode = mode; + if (mode != NULL) + mode->refcnt++; + RRCrtcChanged (crtc, TRUE); + } + if (x != crtc->x) + { + crtc->x = x; + RRCrtcChanged (crtc, TRUE); + } + if (y != crtc->y) + { + crtc->y = y; + RRCrtcChanged (crtc, TRUE); + } + if (rotation != crtc->rotation) + { + crtc->rotation = rotation; + RRCrtcChanged (crtc, TRUE); + } + if (!RRTransformEqual (transform, &crtc->client_current_transform)) { + RRTransformCopy (&crtc->client_current_transform, transform); + RRCrtcChanged (crtc, TRUE); + } + if (crtc->changed && mode) + { + RRTransformCompute (x, y, + mode->mode.width, mode->mode.height, + rotation, + &crtc->client_current_transform, + &crtc->transform, &crtc->f_transform, + &crtc->f_inverse); + } + return TRUE; +} + +void +RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + rrScrPriv (pScreen); + xRRCrtcChangeNotifyEvent ce; + RRModePtr mode = crtc->mode; + + ce.type = RRNotify + RREventBase; + ce.subCode = RRNotify_CrtcChange; + ce.timestamp = pScrPriv->lastSetTime.milliseconds; + ce.window = pWin->drawable.id; + ce.crtc = crtc->id; + ce.rotation = crtc->rotation; + if (mode) + { + ce.mode = mode->mode.id; + ce.x = crtc->x; + ce.y = crtc->y; + ce.width = mode->mode.width; + ce.height = mode->mode.height; + } + else + { + ce.mode = None; + ce.x = 0; + ce.y = 0; + ce.width = 0; + ce.height = 0; + } + WriteEventsToClient (client, 1, (xEvent *) &ce); +} + +static Bool +RRCrtcPendingProperties (RRCrtcPtr crtc) +{ + ScreenPtr pScreen = crtc->pScreen; + rrScrPriv(pScreen); + int o; + + for (o = 0; o < pScrPriv->numOutputs; o++) + { + RROutputPtr output = pScrPriv->outputs[o]; + if (output->crtc == crtc && output->pendingProperties) + return TRUE; + } + return FALSE; +} + +/* + * Request that the Crtc be reconfigured + */ +Bool +RRCrtcSet (RRCrtcPtr crtc, + RRModePtr mode, + int x, + int y, + Rotation rotation, + int numOutputs, + RROutputPtr *outputs) +{ + ScreenPtr pScreen = crtc->pScreen; + Bool ret = FALSE; + rrScrPriv(pScreen); + + /* See if nothing changed */ + if (crtc->mode == mode && + crtc->x == x && + crtc->y == y && + crtc->rotation == rotation && + crtc->numOutputs == numOutputs && + !memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) && + !RRCrtcPendingProperties (crtc) && + !RRCrtcPendingTransform (crtc)) + { + ret = TRUE; + } + else + { +#if RANDR_12_INTERFACE + if (pScrPriv->rrCrtcSet) + { + ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, + rotation, numOutputs, outputs); + } + else +#endif + { +#if RANDR_10_INTERFACE + if (pScrPriv->rrSetConfig) + { + RRScreenSize size; + RRScreenRate rate; + + if (!mode) + { + RRCrtcNotify (crtc, NULL, x, y, rotation, NULL, 0, NULL); + ret = TRUE; + } + else + { + size.width = mode->mode.width; + size.height = mode->mode.height; + if (outputs[0]->mmWidth && outputs[0]->mmHeight) + { + size.mmWidth = outputs[0]->mmWidth; + size.mmHeight = outputs[0]->mmHeight; + } + else + { + size.mmWidth = pScreen->mmWidth; + size.mmHeight = pScreen->mmHeight; + } + size.nRates = 1; + rate.rate = RRVerticalRefresh (&mode->mode); + size.pRates = &rate; + ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size); + /* + * Old 1.0 interface tied screen size to mode size + */ + if (ret) + { + RRCrtcNotify (crtc, mode, x, y, rotation, NULL, 1, outputs); + RRScreenSizeNotify (pScreen); + } + } + } +#endif + } + if (ret) + { + int o; + RRTellChanged (pScreen); + + for (o = 0; o < numOutputs; o++) + RRPostPendingProperties (outputs[o]); + } + } + return ret; +} + +/* + * Return crtc transform + */ +RRTransformPtr +RRCrtcGetTransform (RRCrtcPtr crtc) +{ + RRTransformPtr transform = &crtc->client_pending_transform; + + if (pixman_transform_is_identity (&transform->transform)) + return NULL; + return transform; +} + +/* + * Check whether the pending and current transforms are the same + */ +Bool +RRCrtcPendingTransform (RRCrtcPtr crtc) +{ + return memcmp (&crtc->client_current_transform.transform, + &crtc->client_pending_transform.transform, + sizeof (PictTransform)) != 0; +} + +/* + * Destroy a Crtc at shutdown + */ +void +RRCrtcDestroy (RRCrtcPtr crtc) +{ + FreeResource (crtc->id, 0); +} + +static int +RRCrtcDestroyResource (pointer value, XID pid) +{ + RRCrtcPtr crtc = (RRCrtcPtr) value; + ScreenPtr pScreen = crtc->pScreen; + + if (pScreen) + { + rrScrPriv(pScreen); + int i; + + for (i = 0; i < pScrPriv->numCrtcs; i++) + { + if (pScrPriv->crtcs[i] == crtc) + { + memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1, + (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr)); + --pScrPriv->numCrtcs; + break; + } + } + } + free(crtc->gammaRed); + if (crtc->mode) + RRModeDestroy (crtc->mode); + free(crtc); + return 1; +} + +/* + * Request that the Crtc gamma be changed + */ + +Bool +RRCrtcGammaSet (RRCrtcPtr crtc, + CARD16 *red, + CARD16 *green, + CARD16 *blue) +{ + Bool ret = TRUE; +#if RANDR_12_INTERFACE + ScreenPtr pScreen = crtc->pScreen; +#endif + + memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16)); + memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16)); + memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16)); +#if RANDR_12_INTERFACE + if (pScreen) + { + rrScrPriv(pScreen); + if (pScrPriv->rrCrtcSetGamma) + ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc); + } +#endif + return ret; +} + +/* + * Request current gamma back from the DDX (if possible). + * This includes gamma size. + */ +Bool +RRCrtcGammaGet(RRCrtcPtr crtc) +{ + Bool ret = TRUE; +#if RANDR_12_INTERFACE + ScreenPtr pScreen = crtc->pScreen; +#endif + +#if RANDR_12_INTERFACE + if (pScreen) + { + rrScrPriv(pScreen); + if (pScrPriv->rrCrtcGetGamma) + ret = (*pScrPriv->rrCrtcGetGamma) (pScreen, crtc); + } +#endif + return ret; +} + +/* + * Notify the extension that the Crtc gamma has been changed + * The driver calls this whenever it has changed the gamma values + * in the RRCrtcRec + */ + +Bool +RRCrtcGammaNotify (RRCrtcPtr crtc) +{ + return TRUE; /* not much going on here */ +} + +static void +RRModeGetScanoutSize (RRModePtr mode, PictTransformPtr transform, + int *width, int *height) +{ + BoxRec box; + + if (mode == NULL) { + *width = 0; + *height = 0; + return; + } + + box.x1 = 0; + box.y1 = 0; + box.x2 = mode->mode.width; + box.y2 = mode->mode.height; + + pixman_transform_bounds (transform, &box); + *width = box.x2 - box.x1; + *height = box.y2 - box.y1; +} + +/** + * Returns the width/height that the crtc scans out from the framebuffer + */ +void +RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height) +{ + 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 = malloc(size * 3 * sizeof (CARD16)); + if (!gamma) + return FALSE; + } + else + gamma = NULL; + free(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, + struct pixman_f_transform *f_transform, + struct pixman_f_transform *f_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.f_transform = *f_transform; + crtc->client_pending_transform.f_inverse = *f_inverse; + return Success; +} + +/* + * Initialize crtc type + */ +Bool +RRCrtcInit (void) +{ + RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource, "CRTC"); + if (!RRCrtcType) + return FALSE; + + return TRUE; +} + +/* + * Initialize crtc type error value + */ +void +RRCrtcInitErrorValue(void) +{ + SetResourceTypeErrorValue(RRCrtcType, RRErrorBase + BadRRCrtc); +} + +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; + BoxRec panned_area; + + REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + /* 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; + if (pScrPriv->rrGetPanning && + pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) && + (panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1)) + { + rep.x = panned_area.x1; + rep.y = panned_area.y1; + rep.width = panned_area.x2 - panned_area.x1; + rep.height = panned_area.y2 - panned_area.y1; + } + else + { + RRCrtcGetScanoutSize (crtc, &width, &height); + rep.x = crtc->x; + rep.y = crtc->y; + 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 = malloc(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); + free(extra); + } + + return Success; +} + +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 rc, i, j; + + REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq); + numOutputs = (stuff->length - bytes_to_int32(SIZEOF (xRRSetCrtcConfigReq))); + + VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess); + + if (stuff->mode == None) + { + mode = NULL; + if (numOutputs > 0) + return BadMatch; + } + else + { + VERIFY_RR_MODE(stuff->mode, mode, DixSetAttrAccess); + if (numOutputs == 0) + return BadMatch; + } + if (numOutputs) + { + outputs = malloc(numOutputs * sizeof (RROutputPtr)); + if (!outputs) + return BadAlloc; + } + else + outputs = NULL; + + outputIds = (RROutput *) (stuff + 1); + for (i = 0; i < numOutputs; i++) + { + rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i], + RROutputType, client, DixSetAttrAccess); + if (rc != Success) + { + free(outputs); + return rc; + } + /* 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) + { + free(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) + { + free(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) + { + free(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; + } + + /* + * 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; + free(outputs); + return BadValue; + } + + if (mode) + { + if ((~crtc->rotations) & rotation) + { + /* + * requested rotation or reflection not supported by screen + */ + client->errorValue = stuff->rotation; + free(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 the driver supports transforms, + * then it must allow crtcs to display a subset of the screen, so + * only do this check for drivers without transform support. + */ + if (pScrPriv->rrScreenSetSize && !crtc->transforms) + { + int source_width; + int source_height; + PictTransform transform; + struct pixman_f_transform f_transform, f_inverse; + + RRTransformCompute (stuff->x, stuff->y, + mode->mode.width, mode->mode.height, + rotation, + &crtc->client_pending_transform, + &transform, &f_transform, &f_inverse); + + RRModeGetScanoutSize (mode, &transform, &source_width, &source_height); + if (stuff->x + source_width > pScreen->width) + { + client->errorValue = stuff->x; + free(outputs); + return BadValue; + } + + if (stuff->y + source_height > pScreen->height) + { + client->errorValue = stuff->y; + free(outputs); + return BadValue; + } + } +#endif + } + + if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y, + rotation, numOutputs, outputs)) + { + rep.status = RRSetConfigFailed; + goto sendReply; + } + rep.status = RRSetConfigSuccess; + pScrPriv->lastSetTime = time; + +sendReply: + free(outputs); + + rep.type = X_Reply; + /* rep.status has already been filled in */ + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.newTimestamp = pScrPriv->lastSetTime.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 Success; +} + +int +ProcRRGetPanning (ClientPtr client) +{ + REQUEST(xRRGetPanningReq); + xRRGetPanningReply rep; + RRCrtcPtr crtc; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + BoxRec total; + BoxRec tracking; + INT16 border[4]; + int n; + + REQUEST_SIZE_MATCH(xRRGetPanningReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + /* All crtcs must be associated with screens before client + * requests are processed + */ + pScreen = crtc->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + if (!pScrPriv) + return RRErrorBase + BadRRCrtc; + + memset(&rep, 0, sizeof(rep)); + rep.type = X_Reply; + rep.status = RRSetConfigSuccess; + rep.sequenceNumber = client->sequence; + rep.length = 1; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + + if (pScrPriv->rrGetPanning && + pScrPriv->rrGetPanning (pScreen, crtc, &total, &tracking, border)) { + rep.left = total.x1; + rep.top = total.y1; + rep.width = total.x2 - total.x1; + rep.height = total.y2 - total.y1; + rep.track_left = tracking.x1; + rep.track_top = tracking.y1; + rep.track_width = tracking.x2 - tracking.x1; + rep.track_height = tracking.y2 - tracking.y1; + rep.border_left = border[0]; + rep.border_top = border[1]; + rep.border_right = border[2]; + rep.border_bottom = border[3]; + } + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.timestamp, n); + swaps(&rep.left, n); + swaps(&rep.top, n); + swaps(&rep.width, n); + swaps(&rep.height, n); + swaps(&rep.track_left, n); + swaps(&rep.track_top, n); + swaps(&rep.track_width, n); + swaps(&rep.track_height, n); + swaps(&rep.border_left, n); + swaps(&rep.border_top, n); + swaps(&rep.border_right, n); + swaps(&rep.border_bottom, n); + } + WriteToClient(client, sizeof(xRRGetPanningReply), (char *)&rep); + return Success; +} + +int +ProcRRSetPanning (ClientPtr client) +{ + REQUEST(xRRSetPanningReq); + xRRSetPanningReply rep; + RRCrtcPtr crtc; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + TimeStamp time; + BoxRec total; + BoxRec tracking; + INT16 border[4]; + int n; + + REQUEST_SIZE_MATCH(xRRSetPanningReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + /* All crtcs must be associated with screens before client + * requests are processed + */ + pScreen = crtc->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + if (!pScrPriv) { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + + time = ClientTimeToServerTime(stuff->timestamp); + + if (!pScrPriv->rrGetPanning) + return RRErrorBase + BadRRCrtc; + + total.x1 = stuff->left; + total.y1 = stuff->top; + total.x2 = total.x1 + stuff->width; + total.y2 = total.y1 + stuff->height; + tracking.x1 = stuff->track_left; + tracking.y1 = stuff->track_top; + tracking.x2 = tracking.x1 + stuff->track_width; + tracking.y2 = tracking.y1 + stuff->track_height; + border[0] = stuff->border_left; + border[1] = stuff->border_top; + border[2] = stuff->border_right; + border[3] = stuff->border_bottom; + + if (! pScrPriv->rrSetPanning (pScreen, crtc, &total, &tracking, border)) + return BadMatch; + + pScrPriv->lastSetTime = time; + + rep.status = RRSetConfigSuccess; + +sendReply: + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.newTimestamp = pScrPriv->lastSetTime.milliseconds; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.newTimestamp, n); + } + WriteToClient(client, sizeof(xRRSetPanningReply), (char *)&rep); + return Success; +} + +int +ProcRRGetCrtcGammaSize (ClientPtr client) +{ + REQUEST(xRRGetCrtcGammaSizeReq); + xRRGetCrtcGammaSizeReply reply; + RRCrtcPtr crtc; + int n; + + REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + /* Gamma retrieval failed, any better error? */ + if (!RRCrtcGammaGet(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 Success; +} + +int +ProcRRGetCrtcGamma (ClientPtr client) +{ + REQUEST(xRRGetCrtcGammaReq); + xRRGetCrtcGammaReply reply; + RRCrtcPtr crtc; + int n; + unsigned long len; + char *extra = NULL; + + REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + /* Gamma retrieval failed, any better error? */ + if (!RRCrtcGammaGet(crtc)) + return RRErrorBase + BadRRCrtc; + + len = crtc->gammaSize * 3 * 2; + + if (crtc->gammaSize) { + extra = malloc(len); + if (!extra) + return BadAlloc; + } + + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = bytes_to_int32(len); + 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); + free(extra); + } + return Success; +} + +int +ProcRRSetCrtcGamma (ClientPtr client) +{ + REQUEST(xRRSetCrtcGammaReq); + RRCrtcPtr crtc; + unsigned long len; + CARD16 *red, *green, *blue; + + REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + len = client->req_len - bytes_to_int32(sizeof (xRRSetCrtcGammaReq)); + 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; + struct pixman_f_transform f_transform, f_inverse; + char *filter; + int nbytes; + xFixed *params; + int nparams; + + REQUEST_AT_LEAST_SIZE(xRRSetCrtcTransformReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + PictTransform_from_xRenderTransform (&transform, &stuff->transform); + pixman_f_transform_from_pixman_transform (&f_transform, &transform); + if (!pixman_f_transform_invert (&f_inverse, &f_transform)) + return BadMatch; + + filter = (char *) (stuff + 1); + nbytes = stuff->nbytesFilter; + params = (xFixed *) (filter + pad_to_int32(nbytes)); + nparams = ((xFixed *) stuff + client->req_len) - params; + if (nparams < 0) + return BadLength; + + return RRCrtcTransformSet (crtc, &transform, &f_transform, &f_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 pad_to_int32(nbytes) + (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); + } + 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, bytes_to_int32(sizeof(xRenderTransform))); +} + +int +ProcRRGetCrtcTransform (ClientPtr client) +{ + REQUEST(xRRGetCrtcTransformReq); + xRRGetCrtcTransformReply *reply; + RRCrtcPtr crtc; + int n, nextra; + RRTransformPtr current, pending; + char *extra; + + REQUEST_SIZE_MATCH (xRRGetCrtcTransformReq); + VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); + + pending = &crtc->client_pending_transform; + current = &crtc->client_current_transform; + + nextra = (transform_filter_length (pending) + + transform_filter_length (current)); + + reply = malloc(sizeof (xRRGetCrtcTransformReply) + nextra); + if (!reply) + return BadAlloc; + + extra = (char *) (reply + 1); + reply->type = X_Reply; + reply->sequenceNumber = client->sequence; + reply->length = bytes_to_int32(CrtcTransformExtra + nextra); + + 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); + free(reply); + return Success; +} -- cgit v1.2.3