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rrcrtc.c
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/*
* Copyright © 2006 Keith Packard
* Copyright 2010 Red Hat, Inc
*
* 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_priv.h"
#include "swaprep.h"
#include "mipointer.h"
#include <X11/Xatom.h>
RESTYPE RRCrtcType = 0;
/*
* Notify the CRTC of some change
*/
void
RRCrtcChanged(RRCrtcPtr crtc, Bool layoutChanged)
{
ScreenPtr pScreen = crtc->pScreen;
crtc->changed = TRUE;
if (pScreen) {
rrScrPriv(pScreen);
RRSetChanged(pScreen);
/*
* 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 */
crtcs = reallocarray(pScrPriv->crtcs,
pScrPriv->numCrtcs + 1, sizeof(RRCrtcPtr));
if (!crtcs)
return NULL;
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, (void *) crtc))
return NULL;
/* attach the screen and crtc together */
crtc->pScreen = pScreen;
pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
RRResourcesChanged(pScreen);
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 = reallocarray(crtc->outputs,
numOutputs, sizeof(RROutputPtr));
else
newoutputs = xallocarray(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);
RRModePtr mode = crtc->mode;
xRRCrtcChangeNotifyEvent ce = {
.type = RRNotify + RREventBase,
.subCode = RRNotify_CrtcChange,
.timestamp = pScrPriv->lastSetTime.milliseconds,
.window = pWin->drawable.id,
.crtc = crtc->id,
.mode = mode ? mode->mode.id : None,
.rotation = crtc->rotation,
.x = mode ? crtc->x : 0,
.y = mode ? crtc->y : 0,
.width = mode ? mode->mode.width : 0,
.height = mode ? mode->mode.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;
}
static Bool
cursor_bounds(RRCrtcPtr crtc, int *left, int *right, int *top, int *bottom)
{
rrScrPriv(crtc->pScreen);
BoxRec bounds;
if (crtc->mode == NULL)
return FALSE;
memset(&bounds, 0, sizeof(bounds));
if (pScrPriv->rrGetPanning)
pScrPriv->rrGetPanning(crtc->pScreen, crtc, NULL, &bounds, NULL);
if (bounds.y2 <= bounds.y1 || bounds.x2 <= bounds.x1) {
bounds.x1 = 0;
bounds.y1 = 0;
bounds.x2 = crtc->mode->mode.width;
bounds.y2 = crtc->mode->mode.height;
}
pixman_f_transform_bounds(&crtc->f_transform, &bounds);
*left = bounds.x1;
*right = bounds.x2;
*top = bounds.y1;
*bottom = bounds.y2;
return TRUE;
}
/* overlapping counts as adjacent */
static Bool
crtcs_adjacent(const RRCrtcPtr a, const RRCrtcPtr b)
{
/* left, right, top, bottom... */
int al, ar, at, ab;
int bl, br, bt, bb;
int cl, cr, ct, cb; /* the overlap, if any */
if (!cursor_bounds(a, &al, &ar, &at, &ab))
return FALSE;
if (!cursor_bounds(b, &bl, &br, &bt, &bb))
return FALSE;
cl = max(al, bl);
cr = min(ar, br);
ct = max(at, bt);
cb = min(ab, bb);
return (cl <= cr) && (ct <= cb);
}
/* Depth-first search and mark all CRTCs reachable from cur */
static void
mark_crtcs(rrScrPrivPtr pScrPriv, int *reachable, int cur)
{
int i;
reachable[cur] = TRUE;
for (i = 0; i < pScrPriv->numCrtcs; ++i) {
if (reachable[i])
continue;
if (crtcs_adjacent(pScrPriv->crtcs[cur], pScrPriv->crtcs[i]))
mark_crtcs(pScrPriv, reachable, i);
}
}
static void
RRComputeContiguity(ScreenPtr pScreen)
{
rrScrPriv(pScreen);
Bool discontiguous = TRUE;
int i, n = pScrPriv->numCrtcs;
int *reachable = calloc(n, sizeof(int));
if (!reachable)
goto out;
/* Find first enabled CRTC and start search for reachable CRTCs from it */
for (i = 0; i < n; ++i) {
if (pScrPriv->crtcs[i]->mode) {
mark_crtcs(pScrPriv, reachable, i);
break;
}
}
/* Check that all enabled CRTCs were marked as reachable */
for (i = 0; i < n; ++i)
if (pScrPriv->crtcs[i]->mode && !reachable[i])
goto out;
discontiguous = FALSE;
out:
free(reachable);
pScrPriv->discontiguous = discontiguous;
}
static void
rrDestroySharedPixmap(RRCrtcPtr crtc, PixmapPtr pPixmap) {
ScreenPtr primary = crtc->pScreen->current_primary;
if (primary && pPixmap->primary_pixmap) {
/*
* Unref the pixmap twice: once for the original reference, and once
* for the reference implicitly added by PixmapShareToSecondary.
*/
PixmapUnshareSecondaryPixmap(pPixmap);
primary->DestroyPixmap(pPixmap->primary_pixmap);
primary->DestroyPixmap(pPixmap->primary_pixmap);
}
crtc->pScreen->DestroyPixmap(pPixmap);
}
void
RRCrtcDetachScanoutPixmap(RRCrtcPtr crtc)
{
rrScrPriv(crtc->pScreen);
if (crtc->scanout_pixmap) {
ScreenPtr primary = crtc->pScreen->current_primary;
DrawablePtr mrootdraw = &primary->root->drawable;
if (crtc->scanout_pixmap_back) {
pScrPriv->rrDisableSharedPixmapFlipping(crtc);
if (mrootdraw) {
primary->StopFlippingPixmapTracking(mrootdraw,
crtc->scanout_pixmap,
crtc->scanout_pixmap_back);
}
rrDestroySharedPixmap(crtc, crtc->scanout_pixmap_back);
crtc->scanout_pixmap_back = NULL;
}
else {
pScrPriv->rrCrtcSetScanoutPixmap(crtc, NULL);
if (mrootdraw) {
primary->StopPixmapTracking(mrootdraw,
crtc->scanout_pixmap);
}
}
rrDestroySharedPixmap(crtc, crtc->scanout_pixmap);
crtc->scanout_pixmap = NULL;
}
RRCrtcChanged(crtc, TRUE);
}
static PixmapPtr
rrCreateSharedPixmap(RRCrtcPtr crtc, ScreenPtr primary,
int width, int height, int depth,
int x, int y, Rotation rotation)
{
PixmapPtr mpix, spix;
mpix = primary->CreatePixmap(primary, width, height, depth,
CREATE_PIXMAP_USAGE_SHARED);
if (!mpix)
return NULL;
spix = PixmapShareToSecondary(mpix, crtc->pScreen);
if (spix == NULL) {
primary->DestroyPixmap(mpix);
return NULL;
}
return spix;
}
static Bool
rrGetPixmapSharingSyncProp(int numOutputs, RROutputPtr * outputs)
{
/* Determine if the user wants prime syncing */
int o;
const char *syncStr = PRIME_SYNC_PROP;
Atom syncProp = MakeAtom(syncStr, strlen(syncStr), FALSE);
if (syncProp == None)
return TRUE;
/* If one output doesn't want sync, no sync */
for (o = 0; o < numOutputs; o++) {
RRPropertyValuePtr val;
if ((val = RRGetOutputProperty(outputs[o], syncProp, TRUE)) &&
val->data) {
if (!(*(char *) val->data))
return FALSE;
continue;
}
}
return TRUE;
}
static void
rrSetPixmapSharingSyncProp(char val, int numOutputs, RROutputPtr * outputs)
{
int o;
const char *syncStr = PRIME_SYNC_PROP;
Atom syncProp = MakeAtom(syncStr, strlen(syncStr), FALSE);
if (syncProp == None)
return;
for (o = 0; o < numOutputs; o++) {
RRPropertyPtr prop = RRQueryOutputProperty(outputs[o], syncProp);
if (prop)
RRChangeOutputProperty(outputs[o], syncProp, XA_INTEGER,
8, PropModeReplace, 1, &val, FALSE, TRUE);
}
}
static Bool
rrSetupPixmapSharing(RRCrtcPtr crtc, int width, int height,
int x, int y, Rotation rotation, Bool sync,
int numOutputs, RROutputPtr * outputs)
{
ScreenPtr primary = crtc->pScreen->current_primary;
rrScrPrivPtr pPrimaryScrPriv = rrGetScrPriv(primary);
rrScrPrivPtr pSecondaryScrPriv = rrGetScrPriv(crtc->pScreen);
DrawablePtr mrootdraw = &primary->root->drawable;
int depth = mrootdraw->depth;
PixmapPtr spix_front;
/* Create a pixmap on the primary screen, then get a shared handle for it.
Create a shared pixmap on the secondary screen using the handle.
If sync == FALSE --
Set secondary screen to scanout shared linear pixmap.
Set the primary screen to do dirty updates to the shared pixmap
from the screen pixmap on its own accord.
If sync == TRUE --
If any of the below steps fail, clean up and fall back to sync == FALSE.
Create another shared pixmap on the secondary screen using the handle.
Set secondary screen to prepare for scanout and flipping between shared
linear pixmaps.
Set the primary screen to do dirty updates to the shared pixmaps from the
screen pixmap when prompted to by us or the secondary.
Prompt the primary to do a dirty update on the first shared pixmap, then
defer to the secondary.
*/
if (crtc->scanout_pixmap)
RRCrtcDetachScanoutPixmap(crtc);
if (width == 0 && height == 0) {
return TRUE;
}
spix_front = rrCreateSharedPixmap(crtc, primary,
width, height, depth,
x, y, rotation);
if (spix_front == NULL) {
ErrorF("randr: failed to create shared pixmap\n");
return FALSE;
}
/* Both source and sink must support required ABI funcs for flipping */
if (sync &&
pSecondaryScrPriv->rrEnableSharedPixmapFlipping &&
pSecondaryScrPriv->rrDisableSharedPixmapFlipping &&
pPrimaryScrPriv->rrStartFlippingPixmapTracking &&
primary->PresentSharedPixmap &&
primary->StopFlippingPixmapTracking) {
PixmapPtr spix_back = rrCreateSharedPixmap(crtc, primary,
width, height, depth,
x, y, rotation);
if (spix_back == NULL)
goto fail;
if (!pSecondaryScrPriv->rrEnableSharedPixmapFlipping(crtc,
spix_front, spix_back))
goto fail;
crtc->scanout_pixmap = spix_front;
crtc->scanout_pixmap_back = spix_back;
if (!pPrimaryScrPriv->rrStartFlippingPixmapTracking(crtc,
mrootdraw,
spix_front,
spix_back,
x, y, 0, 0,
rotation)) {
pSecondaryScrPriv->rrDisableSharedPixmapFlipping(crtc);
goto fail;
}
primary->PresentSharedPixmap(spix_front);
return TRUE;
fail: /* If flipping funcs fail, just fall back to unsynchronized */
if (spix_back)
rrDestroySharedPixmap(crtc, spix_back);
crtc->scanout_pixmap = NULL;
crtc->scanout_pixmap_back = NULL;
}
if (sync) { /* Wanted sync, didn't get it */
ErrorF("randr: falling back to unsynchronized pixmap sharing\n");
/* Set output property to 0 to indicate to user */
rrSetPixmapSharingSyncProp(0, numOutputs, outputs);
}
if (!pSecondaryScrPriv->rrCrtcSetScanoutPixmap(crtc, spix_front)) {
rrDestroySharedPixmap(crtc, spix_front);
ErrorF("randr: failed to set shadow secondary pixmap\n");
return FALSE;
}
crtc->scanout_pixmap = spix_front;
primary->StartPixmapTracking(mrootdraw, spix_front, x, y, 0, 0, rotation);
return TRUE;
}
static void crtc_to_box(BoxPtr box, RRCrtcPtr crtc)
{
box->x1 = crtc->x;
box->y1 = crtc->y;
switch (crtc->rotation) {
case RR_Rotate_0:
case RR_Rotate_180:
default:
box->x2 = crtc->x + crtc->mode->mode.width;
box->y2 = crtc->y + crtc->mode->mode.height;
break;
case RR_Rotate_90:
case RR_Rotate_270:
box->x2 = crtc->x + crtc->mode->mode.height;
box->y2 = crtc->y + crtc->mode->mode.width;
break;
}
}
static Bool
rrCheckPixmapBounding(ScreenPtr pScreen,
RRCrtcPtr rr_crtc, Rotation rotation,
int x, int y, int w, int h)
{
RegionRec root_pixmap_region, total_region, new_crtc_region;
int c;
BoxRec newbox;
BoxPtr newsize;
ScreenPtr secondary;
int new_width, new_height;
PixmapPtr screen_pixmap = pScreen->GetScreenPixmap(pScreen);
rrScrPriv(pScreen);
PixmapRegionInit(&root_pixmap_region, screen_pixmap);
RegionInit(&total_region, NULL, 0);
/* have to iterate all the crtcs of the attached gpu primarys
and all their output secondarys */
for (c = 0; c < pScrPriv->numCrtcs; c++) {
RRCrtcPtr crtc = pScrPriv->crtcs[c];
if (crtc == rr_crtc) {
newbox.x1 = x;
newbox.y1 = y;
if (rotation == RR_Rotate_90 ||
rotation == RR_Rotate_270) {
newbox.x2 = x + h;
newbox.y2 = y + w;
} else {
newbox.x2 = x + w;
newbox.y2 = y + h;
}
} else {
if (!crtc->mode)
continue;
crtc_to_box(&newbox, crtc);
}
RegionInit(&new_crtc_region, &newbox, 1);
RegionUnion(&total_region, &total_region, &new_crtc_region);
}
xorg_list_for_each_entry(secondary, &pScreen->secondary_list, secondary_head) {
rrScrPrivPtr secondary_priv = rrGetScrPriv(secondary);
if (!secondary->is_output_secondary)
continue;
for (c = 0; c < secondary_priv->numCrtcs; c++) {
RRCrtcPtr secondary_crtc = secondary_priv->crtcs[c];
if (secondary_crtc == rr_crtc) {
newbox.x1 = x;
newbox.y1 = y;
if (rotation == RR_Rotate_90 ||
rotation == RR_Rotate_270) {
newbox.x2 = x + h;
newbox.y2 = y + w;
} else {
newbox.x2 = x + w;
newbox.y2 = y + h;
}
}
else {
if (!secondary_crtc->mode)
continue;
crtc_to_box(&newbox, secondary_crtc);
}
RegionInit(&new_crtc_region, &newbox, 1);
RegionUnion(&total_region, &total_region, &new_crtc_region);
}
}
newsize = RegionExtents(&total_region);
new_width = newsize->x2;
new_height = newsize->y2;
if (new_width < screen_pixmap->drawable.width)
new_width = screen_pixmap->drawable.width;
if (new_height < screen_pixmap->drawable.height)
new_height = screen_pixmap->drawable.height;
if (new_width <= screen_pixmap->drawable.width &&
new_height <= screen_pixmap->drawable.height) {
} else {
pScrPriv->rrScreenSetSize(pScreen, new_width, new_height, 0, 0);
}
/* set shatters TODO */
return TRUE;
}
#define XRANDR_EMULATION_PROP "RANDR Emulation"
static Bool
rrCheckEmulated(RROutputPtr output)
{
const char *emulStr = XRANDR_EMULATION_PROP;
Atom emulProp;
RRPropertyValuePtr val;
emulProp = MakeAtom(emulStr, strlen(emulStr), FALSE);
if (emulProp == None)
return FALSE;
val = RRGetOutputProperty(output, emulProp, TRUE);
if (val && val->data)
return !!val->data;
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;
Bool recompute = TRUE;
Bool crtcChanged;
int o;
rrScrPriv(pScreen);
crtcChanged = FALSE;
for (o = 0; o < numOutputs; o++) {
if (outputs[o]) {
if (rrCheckEmulated(outputs[o]) || (outputs[o]->crtc != crtc)) {
crtcChanged = TRUE;
break;
}
}
}
/* 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) &&
!crtcChanged) {
recompute = FALSE;
ret = TRUE;
}
else {
if (pScreen->isGPU) {
ScreenPtr primary = pScreen->current_primary;
int width = 0, height = 0;
if (mode) {
width = mode->mode.width;
height = mode->mode.height;
}
ret = rrCheckPixmapBounding(primary, crtc,
rotation, x, y, width, height);
if (!ret)
return FALSE;
if (pScreen->current_primary) {
Bool sync = rrGetPixmapSharingSyncProp(numOutputs, outputs);
ret = rrSetupPixmapSharing(crtc, width, height,
x, y, rotation, sync,
numOutputs, outputs);
}
}
#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) {
RRTellChanged(pScreen);
for (o = 0; o < numOutputs; o++)
RRPostPendingProperties(outputs[o]);
}
}
if (recompute)
RRComputeContiguity(pScreen);
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 !RRTransformEqual(&crtc->client_current_transform,
&crtc->client_pending_transform);
}
/*
* Destroy a Crtc at shutdown
*/
void
RRCrtcDestroy(RRCrtcPtr crtc)
{
FreeResource(crtc->id, 0);
}
static int
RRCrtcDestroyResource(void *value, XID pid)
{
RRCrtcPtr crtc = (RRCrtcPtr) value;
ScreenPtr pScreen = crtc->pScreen;
if (pScreen) {
rrScrPriv(pScreen);
int i;
RRLeasePtr lease, next;
xorg_list_for_each_entry_safe(lease, next, &pScrPriv->leases, list) {
int c;
for (c = 0; c < lease->numCrtcs; c++) {
if (lease->crtcs[c] == crtc) {
RRTerminateLease(lease);
break;
}
}
}
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;
}
}
RRResourcesChanged(pScreen);
}
if (crtc->scanout_pixmap)
RRCrtcDetachScanoutPixmap(crtc);
free(crtc->gammaRed);
if (crtc->mode)
RRModeDestroy(crtc->mode);
free(crtc->outputs);
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;
}
static Bool RRCrtcInScreen(ScreenPtr pScreen, RRCrtcPtr findCrtc)
{
rrScrPrivPtr pScrPriv;
int c;
if (pScreen == NULL)
return FALSE;
if (findCrtc == NULL)
return FALSE;
if (!dixPrivateKeyRegistered(rrPrivKey))
return FALSE;
pScrPriv = rrGetScrPriv(pScreen);
for (c = 0; c < pScrPriv->numCrtcs; c++) {
if (pScrPriv->crtcs[c] == findCrtc)
return TRUE;
}
return FALSE;
}
Bool RRCrtcExists(ScreenPtr pScreen, RRCrtcPtr findCrtc)
{