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/*
* 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"
#ifdef RANDR_10_INTERFACE
static RRModePtr
RROldModeAdd(RROutputPtr output, RRScreenSizePtr size, int refresh)
{
ScreenPtr pScreen = output->pScreen;
rrScrPriv(pScreen);
xRRModeInfo modeInfo;
char name[100];
RRModePtr mode;
int i;
RRModePtr *modes;
memset(&modeInfo, '\0', sizeof(modeInfo));
sprintf(name, "%dx%d", size->width, size->height);
modeInfo.width = size->width;
modeInfo.height = size->height;
modeInfo.hTotal = size->width;
modeInfo.vTotal = size->height;
modeInfo.dotClock = ((CARD32) size->width * (CARD32) size->height *
(CARD32) refresh);
modeInfo.nameLength = strlen(name);
mode = RRModeGet(&modeInfo, name);
if (!mode)
return NULL;
for (i = 0; i < output->numModes; i++)
if (output->modes[i] == mode) {
RRModeDestroy(mode);
return mode;
}
if (output->numModes)
modes = realloc(output->modes,
(output->numModes + 1) * sizeof(RRModePtr));
else
modes = malloc(sizeof(RRModePtr));
if (!modes) {
RRModeDestroy(mode);
FreeResource(mode->mode.id, 0);
return NULL;
}
modes[output->numModes++] = mode;
output->modes = modes;
output->changed = TRUE;
pScrPriv->changed = TRUE;
pScrPriv->configChanged = TRUE;
return mode;
}
static void
RRScanOldConfig(ScreenPtr pScreen, Rotation rotations)
{
rrScrPriv(pScreen);
RROutputPtr output;
RRCrtcPtr crtc;
RRModePtr mode, newMode = NULL;
int i;
CARD16 minWidth = MAXSHORT, minHeight = MAXSHORT;
CARD16 maxWidth = 0, maxHeight = 0;
/*
* First time through, create a crtc and output and hook
* them together
*/
if (pScrPriv->numOutputs == 0 && pScrPriv->numCrtcs == 0) {
crtc = RRCrtcCreate(NULL);
if (!crtc)
return;
if (!RRCrtcAttachScreen(crtc, pScreen)) {
RRCrtcDestroy(crtc);
return;
}
output = RROutputCreate("default", 7, NULL);
if (!output)
return;
if (!RROutputAttachScreen(output, pScreen))
return;
RROutputSetCrtcs(output, &crtc, 1);
RROutputSetCrtc(output, crtc);
RROutputSetConnection(output, RR_Connected);
RROutputSetSubpixelOrder(output, PictureGetSubpixelOrder(pScreen));
}
output = RRFirstOutput(pScreen);
if (!output)
return;
crtc = output->crtc;
/* check rotations */
if (rotations != crtc->rotations) {
crtc->rotations = rotations;
crtc->changed = TRUE;
pScrPriv->changed = TRUE;
}
/* regenerate mode list */
for (i = 0; i < pScrPriv->nSizes; i++) {
RRScreenSizePtr size = &pScrPriv->pSizes[i];
int r;
if (size->nRates) {
for (r = 0; r < size->nRates; r++) {
mode = RROldModeAdd(output, size, size->pRates[r].rate);
if (i == pScrPriv->size &&
size->pRates[r].rate == pScrPriv->rate) {
newMode = mode;
}
}
free(size->pRates);
}
else {
mode = RROldModeAdd(output, size, 0);
if (i == pScrPriv->size)
newMode = mode;
}
}
if (pScrPriv->nSizes)
free(pScrPriv->pSizes);
pScrPriv->pSizes = NULL;
pScrPriv->nSizes = 0;
/* find size bounds */
for (i = 0; i < output->numModes; i++) {
RRModePtr mode = output->modes[i];
CARD16 width = mode->mode.width;
CARD16 height = mode->mode.height;
if (width < minWidth)
minWidth = width;
if (width > maxWidth)
maxWidth = width;
if (height < minHeight)
minHeight = height;
if (height > maxHeight)
maxHeight = height;
}
RRScreenSetSizeRange(pScreen, minWidth, minHeight, maxWidth, maxHeight);
/* notice current mode */
if (newMode)
RRCrtcNotify(output->crtc, newMode, 0, 0, pScrPriv->rotation,
1, &output);
}
#endif
/*
* Poll the driver for changed information
*/
Bool
RRGetInfo(ScreenPtr pScreen)
{
rrScrPriv(pScreen);
Rotation rotations;
int i;
for (i = 0; i < pScrPriv->numOutputs; i++)
pScrPriv->outputs[i]->changed = FALSE;
for (i = 0; i < pScrPriv->numCrtcs; i++)
pScrPriv->crtcs[i]->changed = FALSE;
rotations = 0;
pScrPriv->changed = FALSE;
pScrPriv->configChanged = FALSE;
if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
return FALSE;
#if RANDR_10_INTERFACE
if (pScrPriv->nSizes)
RRScanOldConfig(pScreen, rotations);
#endif
RRTellChanged(pScreen);
return TRUE;
}
/*
* Register the range of sizes for the screen
*/
void
RRScreenSetSizeRange(ScreenPtr pScreen,
CARD16 minWidth,
CARD16 minHeight, CARD16 maxWidth, CARD16 maxHeight)
{
rrScrPriv(pScreen);
if (!pScrPriv)
return;
if (pScrPriv->minWidth == minWidth && pScrPriv->minHeight == minHeight &&
pScrPriv->maxWidth == maxWidth && pScrPriv->maxHeight == maxHeight) {
return;
}
pScrPriv->minWidth = minWidth;
pScrPriv->minHeight = minHeight;
pScrPriv->maxWidth = maxWidth;
pScrPriv->maxHeight = maxHeight;
pScrPriv->changed = TRUE;
pScrPriv->configChanged = TRUE;
}
#ifdef RANDR_10_INTERFACE
static Bool
RRScreenSizeMatches(RRScreenSizePtr a, RRScreenSizePtr b)
{
if (a->width != b->width)
return FALSE;
if (a->height != b->height)
return FALSE;
if (a->mmWidth != b->mmWidth)
return FALSE;
if (a->mmHeight != b->mmHeight)
return FALSE;
return TRUE;
}
RRScreenSizePtr
RRRegisterSize(ScreenPtr pScreen,
short width, short height, short mmWidth, short mmHeight)
{
rrScrPriv(pScreen);
int i;
RRScreenSize tmp;
RRScreenSizePtr pNew;
if (!pScrPriv)
return 0;
tmp.id = 0;
tmp.width = width;
tmp.height = height;
tmp.mmWidth = mmWidth;
tmp.mmHeight = mmHeight;
tmp.pRates = 0;
tmp.nRates = 0;
for (i = 0; i < pScrPriv->nSizes; i++)
if (RRScreenSizeMatches(&tmp, &pScrPriv->pSizes[i]))
return &pScrPriv->pSizes[i];
pNew = realloc(pScrPriv->pSizes,
(pScrPriv->nSizes + 1) * sizeof(RRScreenSize));
if (!pNew)
return 0;
pNew[pScrPriv->nSizes++] = tmp;
pScrPriv->pSizes = pNew;
return &pNew[pScrPriv->nSizes - 1];
}
Bool
RRRegisterRate(ScreenPtr pScreen, RRScreenSizePtr pSize, int rate)
{
rrScrPriv(pScreen);
int i;
RRScreenRatePtr pNew, pRate;
if (!pScrPriv)
return FALSE;
for (i = 0; i < pSize->nRates; i++)
if (pSize->pRates[i].rate == rate)
return TRUE;
pNew = realloc(pSize->pRates, (pSize->nRates + 1) * sizeof(RRScreenRate));
if (!pNew)
return FALSE;
pRate = &pNew[pSize->nRates++];
pRate->rate = rate;
pSize->pRates = pNew;
return TRUE;
}
Rotation
RRGetRotation(ScreenPtr pScreen)
{
RROutputPtr output = RRFirstOutput(pScreen);
if (!output)
return RR_Rotate_0;
return output->crtc->rotation;
}
void
RRSetCurrentConfig(ScreenPtr pScreen,
Rotation rotation, int rate, RRScreenSizePtr pSize)
{
rrScrPriv(pScreen);
if (!pScrPriv)
return;
pScrPriv->size = pSize - pScrPriv->pSizes;
pScrPriv->rotation = rotation;
pScrPriv->rate = rate;
}
#endif