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xserver/hw/xfree86/modes/xf86RandR12.c

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/*
* Copyright © 2002 Keith Packard, member of The XFree86 Project, 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.
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#else
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#endif
#include "xf86.h"
#include "os.h"
#include "globals.h"
#include "xf86Priv.h"
#include "xf86DDC.h"
#include "mipointer.h"
#include "windowstr.h"
#include "inputstr.h"
#include <randrstr.h>
#include <X11/extensions/render.h>
#include "xf86Crtc.h"
#include "xf86RandR12.h"
typedef struct _xf86RandR12Info {
int virtualX;
int virtualY;
int mmWidth;
int mmHeight;
int maxX;
int maxY;
int pointerX;
int pointerY;
Rotation rotation; /* current mode */
Rotation supported_rotations; /* driver supported */
/* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends
* (actually, any time that we switch back into our VT).
*
* See https://bugs.freedesktop.org/show_bug.cgi?id=21554
*/
xf86EnterVTProc *orig_EnterVT;
} XF86RandRInfoRec, *XF86RandRInfoPtr;
#ifdef RANDR_12_INTERFACE
static Bool xf86RandR12Init12 (ScreenPtr pScreen);
static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen);
#endif
static int xf86RandR12Generation;
static DevPrivateKeyRec xf86RandR12KeyRec;
static DevPrivateKey xf86RandR12Key;
#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \
dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key))
static int
xf86RandR12ModeRefresh (DisplayModePtr mode)
{
if (mode->VRefresh)
return (int) (mode->VRefresh + 0.5);
else
return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
}
/* Adapt panning area; return TRUE if panning area was valid without adaption */
static int
xf86RandR13VerifyPanningArea (xf86CrtcPtr crtc, int screenWidth, int screenHeight)
{
int ret = TRUE;
if (crtc->version < 2)
return FALSE;
if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) {
/* Panning in X is disabled */
if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2)
/* Illegal configuration -> fail/disable */
ret = FALSE;
crtc->panningTotalArea.x1 = crtc->panningTotalArea.x2 = 0;
crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0;
crtc->panningBorder[0] = crtc->panningBorder[2] = 0;
} else {
/* Panning in X is enabled */
if (crtc->panningTotalArea.x1 < 0) {
/* Panning region outside screen -> move inside */
crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1;
crtc->panningTotalArea.x1 = 0;
ret = FALSE;
}
if (crtc->panningTotalArea.x2 < crtc->panningTotalArea.x1 + crtc->mode.HDisplay) {
/* Panning region smaller than displayed area -> crop to displayed area */
crtc->panningTotalArea.x2 = crtc->panningTotalArea.x1 + crtc->mode.HDisplay;
ret = FALSE;
}
if (crtc->panningTotalArea.x2 > screenWidth) {
/* Panning region larger than screen -> move inside, then crop to screen */
crtc->panningTotalArea.x1 -= crtc->panningTotalArea.x2 - screenWidth;
crtc->panningTotalArea.x2 = screenWidth;
ret = FALSE;
if (crtc->panningTotalArea.x1 < 0)
crtc->panningTotalArea.x1 = 0;
}
if (crtc->panningBorder[0] + crtc->panningBorder[2] > crtc->mode.HDisplay) {
/* Borders too large -> set to 0 */
crtc->panningBorder[0] = crtc->panningBorder[2] = 0;
ret = FALSE;
}
}
if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) {
/* Panning in Y is disabled */
if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2)
/* Illegal configuration -> fail/disable */
ret = FALSE;
crtc->panningTotalArea.y1 = crtc->panningTotalArea.y2 = 0;
crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0;
crtc->panningBorder[1] = crtc->panningBorder[3] = 0;
} else {
/* Panning in Y is enabled */
if (crtc->panningTotalArea.y1 < 0) {
/* Panning region outside screen -> move inside */
crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1;
crtc->panningTotalArea.y1 = 0;
ret = FALSE;
}
if (crtc->panningTotalArea.y2 < crtc->panningTotalArea.y1 + crtc->mode.VDisplay) {
/* Panning region smaller than displayed area -> crop to displayed area */
crtc->panningTotalArea.y2 = crtc->panningTotalArea.y1 + crtc->mode.VDisplay;
ret = FALSE;
}
if (crtc->panningTotalArea.y2 > screenHeight) {
/* Panning region larger than screen -> move inside, then crop to screen */
crtc->panningTotalArea.y1 -= crtc->panningTotalArea.y2 - screenHeight;
crtc->panningTotalArea.y2 = screenHeight;
ret = FALSE;
if (crtc->panningTotalArea.y1 < 0)
crtc->panningTotalArea.y1 = 0;
}
if (crtc->panningBorder[1] + crtc->panningBorder[3] > crtc->mode.VDisplay) {
/* Borders too large -> set to 0 */
crtc->panningBorder[1] = crtc->panningBorder[3] = 0;
ret = FALSE;
}
}
return ret;
}
/*
* The heart of the panning operation:
*
* Given a frame buffer position (fb_x, fb_y),
* and a crtc position (crtc_x, crtc_y),
* and a transform matrix which maps frame buffer to crtc,
* compute a panning position (pan_x, pan_y) that
* makes the resulting transform line those two up
*/
static void
xf86ComputeCrtcPan (Bool transform_in_use,
struct pixman_f_transform *m,
double screen_x, double screen_y,
double crtc_x, double crtc_y,
int old_pan_x, int old_pan_y,
int *new_pan_x, int *new_pan_y)
{
if (transform_in_use) {
/*
* Given the current transform, M, the current position
* on the Screen, S, and the desired position on the CRTC,
* C, compute a translation, T, such that:
*
* M T S = C
*
* where T is of the form
*
* | 1 0 dx |
* | 0 1 dy |
* | 0 0 1 |
*
* M T S =
* | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 | | Cx F |
* | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F |
* | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 | | F |
*
* R = M S
*
* Cx F = M00 dx + M01 dy + R0
* Cy F = M10 dx + M11 dy + R1
* F = M20 dx + M21 dy + R2
*
* Zero out dx, then dy
*
* F (Cx M10 - Cy M00) =
* (M10 M01 - M00 M11) dy + M10 R0 - M00 R1
* F (M10 - Cy M20) =
* (M10 M21 - M20 M11) dy + M10 R2 - M20 R1
*
* F (Cx M11 - Cy M01) =
* (M11 M00 - M01 M10) dx + M11 R0 - M01 R1
* F (M11 - Cy M21) =
* (M11 M20 - M21 M10) dx + M11 R2 - M21 R1
*
* Make some temporaries
*
* T = | Cx M10 - Cy M00 |
* | Cx M11 - Cy M01 |
*
* U = | M10 M01 - M00 M11 |
* | M11 M00 - M01 M10 |
*
* Q = | M10 R0 - M00 R1 |
* | M11 R0 - M01 R1 |
*
* P = | M10 - Cy M20 |
* | M11 - Cy M21 |
*
* W = | M10 M21 - M20 M11 |
* | M11 M20 - M21 M10 |
*
* V = | M10 R2 - M20 R1 |
* | M11 R2 - M21 R1 |
*
* Rewrite:
*
* F T0 = U0 dy + Q0
* F P0 = W0 dy + V0
* F T1 = U1 dx + Q1
* F P1 = W1 dx + V1
*
* Solve for F (two ways)
*
* F (W0 T0 - U0 P0) = W0 Q0 - U0 V0
*
* W0 Q0 - U0 V0
* F = -------------
* W0 T0 - U0 P0
*
* F (W1 T1 - U1 P1) = W1 Q1 - U1 V1
*
* W1 Q1 - U1 V1
* F = -------------
* W1 T1 - U1 P1
*
* We'll use which ever solution works (denominator != 0)
*
* Finally, solve for dx and dy:
*
* dx = (F T1 - Q1) / U1
* dx = (F P1 - V1) / W1
*
* dy = (F T0 - Q0) / U0
* dy = (F P0 - V0) / W0
*/
double r[3];
double q[2], u[2], t[2], v[2], w[2], p[2];
double f;
struct pict_f_vector d;
int i;
/* Get the un-normalized crtc coordinates again */
for (i = 0; i < 3; i++)
r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2];
/* Combine values into temporaries */
for (i = 0; i < 2; i++) {
q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1];
u[i] = m->m[1][i] * m->m[0][1-i] - m->m[0][i] * m->m[1][1-i];
t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y;
v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1];
w[i] = m->m[1][i] * m->m[2][1-i] - m->m[2][i] * m->m[1][1-i];
p[i] = m->m[1][i] - m->m[2][i] * crtc_y;
}
/* Find a way to compute f */
f = 0;
for (i = 0; i < 2; i++) {
double a = w[i] * q[i] - u[i] * v[i];
double b = w[i] * t[i] - u[i] * p[i];
if (b != 0) {
f = a/b;
break;
}
}
/* Solve for the resulting transform vector */
for (i = 0; i < 2; i++) {
if (u[i])
d.v[1-i] = (t[i] * f - q[i]) / u[i];
else if (w[1])
d.v[1-i] = (p[i] * f - v[i]) / w[i];
else
d.v[1-i] = 0;
}
*new_pan_x = old_pan_x - floor (d.v[0] + 0.5);
*new_pan_y = old_pan_y - floor (d.v[1] + 0.5);
} else {
*new_pan_x = screen_x - crtc_x;
*new_pan_y = screen_y - crtc_y;
}
}
static void
xf86RandR13Pan (xf86CrtcPtr crtc, int x, int y)
{
int newX, newY;
int width, height;
Bool panned = FALSE;
if (crtc->version < 2)
return;
if (! crtc->enabled ||
(crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1 &&
crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1))
return;
newX = crtc->x;
newY = crtc->y;
width = crtc->mode.HDisplay;
height = crtc->mode.VDisplay;
if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 ||
(x >= crtc->panningTrackingArea.x1 && x < crtc->panningTrackingArea.x2)) &&
(crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 ||
(y >= crtc->panningTrackingArea.y1 && y < crtc->panningTrackingArea.y2)))
{
struct pict_f_vector c;
/*
* Pre-clip the mouse position to the panning area so that we don't
* push the crtc outside. This doesn't deal with changes to the
* panning values, only mouse position changes.
*/
if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1)
{
if (x < crtc->panningTotalArea.x1)
x = crtc->panningTotalArea.x1;
if (x >= crtc->panningTotalArea.x2)
x = crtc->panningTotalArea.x2 - 1;
}
if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1)
{
if (y < crtc->panningTotalArea.y1)
y = crtc->panningTotalArea.y1;
if (y >= crtc->panningTotalArea.y2)
y = crtc->panningTotalArea.y2 - 1;
}
c.v[0] = x;
c.v[1] = y;
c.v[2] = 1.0;
if (crtc->transform_in_use) {
pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c);
} else {
c.v[0] -= crtc->x;
c.v[1] -= crtc->y;
}
if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {
if (c.v[0] < crtc->panningBorder[0]) {
c.v[0] = crtc->panningBorder[0];
panned = TRUE;
}
if (c.v[0] >= width - crtc->panningBorder[2]) {
c.v[0] = width - crtc->panningBorder[2] - 1;
panned = TRUE;
}
}
if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
if (c.v[1] < crtc->panningBorder[1]) {
c.v[1] = crtc->panningBorder[1];
panned = TRUE;
}
if (c.v[1] >= height - crtc->panningBorder[3]) {
c.v[1] = height - crtc->panningBorder[3] - 1;
panned = TRUE;
}
}
if (panned)
xf86ComputeCrtcPan (crtc->transform_in_use,
&crtc->f_framebuffer_to_crtc,
x, y, c.v[0], c.v[1],
newX, newY, &newX, &newY);
}
/*
* Ensure that the crtc is within the panning region.
*
* XXX This computation only works when we do not have a transform
* in use.
*/
if (!crtc->transform_in_use)
{
/* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */
if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) {
if (newX > crtc->panningTotalArea.x2 - width)
newX = crtc->panningTotalArea.x2 - width;
if (newX < crtc->panningTotalArea.x1)
newX = crtc->panningTotalArea.x1;
}
if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
if (newY > crtc->panningTotalArea.y2 - height)
newY = crtc->panningTotalArea.y2 - height;
if (newY < crtc->panningTotalArea.y1)
newY = crtc->panningTotalArea.y1;
}
}
if (newX != crtc->x || newY != crtc->y)
xf86CrtcSetOrigin (crtc, newX, newY);
}
static Bool
xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations)
{
RRScreenSizePtr pSize;
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
DisplayModePtr mode;
int refresh0 = 60;
int maxX = 0, maxY = 0;
*rotations = randrp->supported_rotations;
if (randrp->virtualX == -1 || randrp->virtualY == -1)
{
randrp->virtualX = scrp->virtualX;
randrp->virtualY = scrp->virtualY;
}
/* Re-probe the outputs for new monitors or modes */
if (scrp->vtSema)
{
xf86ProbeOutputModes (scrp, 0, 0);
xf86SetScrnInfoModes (scrp);
}
for (mode = scrp->modes; ; mode = mode->next)
{
int refresh = xf86RandR12ModeRefresh (mode);
if (randrp->maxX == 0 || randrp->maxY == 0)
{
if (maxX < mode->HDisplay)
maxX = mode->HDisplay;
if (maxY < mode->VDisplay)
maxY = mode->VDisplay;
}
if (mode == scrp->modes)
refresh0 = refresh;
pSize = RRRegisterSize (pScreen,
mode->HDisplay, mode->VDisplay,
randrp->mmWidth, randrp->mmHeight);
if (!pSize)
return FALSE;
RRRegisterRate (pScreen, pSize, refresh);
if (xf86ModesEqual(mode, scrp->currentMode))
{
RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);
}
if (mode->next == scrp->modes)
break;
}
if (randrp->maxX == 0 || randrp->maxY == 0)
{
randrp->maxX = maxX;
randrp->maxY = maxY;
}
return TRUE;
}
static Bool
xf86RandR12SetMode (ScreenPtr pScreen,
DisplayModePtr mode,
Bool useVirtual,
int mmWidth,
int mmHeight)
{
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int oldWidth = pScreen->width;
int oldHeight = pScreen->height;
int oldmmWidth = pScreen->mmWidth;
int oldmmHeight = pScreen->mmHeight;
WindowPtr pRoot = pScreen->root;
DisplayModePtr currentMode = NULL;
Bool ret = TRUE;
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
if (useVirtual)
{
scrp->virtualX = randrp->virtualX;
scrp->virtualY = randrp->virtualY;
}
else
{
scrp->virtualX = mode->HDisplay;
scrp->virtualY = mode->VDisplay;
}
if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
{
/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
pScreen->width = scrp->virtualY;
pScreen->height = scrp->virtualX;
pScreen->mmWidth = mmHeight;
pScreen->mmHeight = mmWidth;
}
else
{
pScreen->width = scrp->virtualX;
pScreen->height = scrp->virtualY;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
}
if (scrp->currentMode == mode) {
/* Save current mode */
currentMode = scrp->currentMode;
/* Reset, just so we ensure the drivers SwitchMode is called */
scrp->currentMode = NULL;
}
/*
* We know that if the driver failed to SwitchMode to the rotated
* version, then it should revert back to it's prior mode.
*/
if (!xf86SwitchMode (pScreen, mode))
{
ret = FALSE;
scrp->virtualX = pScreen->width = oldWidth;
scrp->virtualY = pScreen->height = oldHeight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
scrp->currentMode = currentMode;
}
/*
* Make sure the layout is correct
*/
xf86ReconfigureLayout();
/*
* Make sure the whole screen is visible
*/
xf86SetViewport (pScreen, pScreen->width, pScreen->height);
xf86SetViewport (pScreen, 0, 0);
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
return ret;
}
Bool
xf86RandR12SetConfig (ScreenPtr pScreen,
Rotation rotation,
int rate,
RRScreenSizePtr pSize)
{
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
DisplayModePtr mode;
int pos[MAXDEVICES][2];
Bool useVirtual = FALSE;
int maxX = 0, maxY = 0;
Rotation oldRotation = randrp->rotation;
DeviceIntPtr dev;
Bool view_adjusted = FALSE;
randrp->rotation = rotation;
if (randrp->virtualX == -1 || randrp->virtualY == -1)
{
randrp->virtualX = scrp->virtualX;
randrp->virtualY = scrp->virtualY;
}
for (dev = inputInfo.devices; dev; dev = dev->next)
{
if (!IsMaster(dev) && !IsFloating(dev))
continue;
miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]);
}
for (mode = scrp->modes; ; mode = mode->next)
{
if (randrp->maxX == 0 || randrp->maxY == 0)
{
if (maxX < mode->HDisplay)
maxX = mode->HDisplay;
if (maxY < mode->VDisplay)
maxY = mode->VDisplay;
}
if (mode->HDisplay == pSize->width &&
mode->VDisplay == pSize->height &&
(rate == 0 || xf86RandR12ModeRefresh (mode) == rate))
break;
if (mode->next == scrp->modes)
{
if (pSize->width == randrp->virtualX &&
pSize->height == randrp->virtualY)
{
mode = scrp->modes;
useVirtual = TRUE;
break;
}
if (randrp->maxX == 0 || randrp->maxY == 0)
{
randrp->maxX = maxX;
randrp->maxY = maxY;
}
return FALSE;
}
}
if (randrp->maxX == 0 || randrp->maxY == 0)
{
randrp->maxX = maxX;
randrp->maxY = maxY;
}
if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth,
pSize->mmHeight)) {
randrp->rotation = oldRotation;
return FALSE;
}
/*
* Move the cursor back where it belongs; SwitchMode repositions it
* FIXME: duplicated code, see modes/xf86RandR12.c
*/
for (dev = inputInfo.devices; dev; dev = dev->next)
{
if (!IsMaster(dev) && !IsFloating(dev))
continue;
if (pScreen == miPointerGetScreen(dev)) {
int px = pos[dev->id][0];
int py = pos[dev->id][1];
px = (px >= pScreen->width ? (pScreen->width - 1) : px);
py = (py >= pScreen->height ? (pScreen->height - 1) : py);
/* Setting the viewpoint makes only sense on one device */
if (!view_adjusted && IsMaster(dev)) {
xf86SetViewport(pScreen, px, py);
view_adjusted = TRUE;
}
(*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE);
}
}
return TRUE;
}
static Bool
xf86RandR12ScreenSetSize (ScreenPtr pScreen,
CARD16 width,
CARD16 height,
CARD32 mmWidth,
CARD32 mmHeight)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
WindowPtr pRoot = pScreen->root;
PixmapPtr pScrnPix;
Bool ret = FALSE;
int c;
if (xf86RandR12Key) {
if (randrp->virtualX == -1 || randrp->virtualY == -1)
{
randrp->virtualX = pScrn->virtualX;
randrp->virtualY = pScrn->virtualY;
}
}
if (pRoot && pScrn->vtSema)
(*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE);
/* Let the driver update virtualX and virtualY */
if (!(*config->funcs->resize)(pScrn, width, height))
goto finish;
ret = TRUE;
/* Update panning information */
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1 ||
crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) {
if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1)
crtc->panningTotalArea.x2 += width - pScreen->width;
if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1)
crtc->panningTotalArea.y2 += height - pScreen->height;
if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1)
crtc->panningTrackingArea.x2 += width - pScreen->width;
if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1)
crtc->panningTrackingArea.y2 += height - pScreen->height;
xf86RandR13VerifyPanningArea (crtc, width, height);
xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
}
}
pScrnPix = (*pScreen->GetScreenPixmap)(pScreen);
pScreen->width = pScrnPix->drawable.width = width;
pScreen->height = pScrnPix->drawable.height = height;
randrp->mmWidth = pScreen->mmWidth = mmWidth;
randrp->mmHeight = pScreen->mmHeight = mmHeight;
xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1);
xf86SetViewport (pScreen, 0, 0);
finish:
if (pRoot && pScrn->vtSema)
(*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE);
#if RANDR_12_INTERFACE
if (xf86RandR12Key && pScreen->root && ret)
RRScreenSizeNotify (pScreen);
#endif
return ret;
}
Rotation
xf86RandR12GetRotation(ScreenPtr pScreen)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
return randrp->rotation;
}
Bool
xf86RandR12CreateScreenResources (ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config;
XF86RandRInfoPtr randrp;
int c;
int width, height;
int mmWidth, mmHeight;
#ifdef PANORAMIX
/* XXX disable RandR when using Xinerama */
if (!noPanoramiXExtension)
return TRUE;
#endif
config = XF86_CRTC_CONFIG_PTR(pScrn);
randrp = XF86RANDRINFO(pScreen);
/*
* Compute size of screen
*/
width = 0; height = 0;
for (c = 0; c < config->num_crtc; c++)
{
xf86CrtcPtr crtc = config->crtc[c];
int crtc_width = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
int crtc_height = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
if (crtc->enabled) {
if (crtc_width > width)
width = crtc_width;
if (crtc_height > height)
height = crtc_height;
if (crtc->panningTotalArea.x2 > width)
width = crtc->panningTotalArea.x2;
if (crtc->panningTotalArea.y2 > height)
height = crtc->panningTotalArea.y2;
}
}
if (width && height)
{
/*
* Compute physical size of screen
*/
if (monitorResolution)
{
mmWidth = width * 25.4 / monitorResolution;
mmHeight = height * 25.4 / monitorResolution;
}
else
{
xf86OutputPtr output = xf86CompatOutput(pScrn);
if (output &&
output->conf_monitor &&
(output->conf_monitor->mon_width > 0 &&
output->conf_monitor->mon_height > 0))
{
/*
* Prefer user configured DisplaySize
*/
mmWidth = output->conf_monitor->mon_width;
mmHeight = output->conf_monitor->mon_height;
}
else
{
/*
* Otherwise, just set the screen to DEFAULT_DPI
*/
mmWidth = width * 25.4 / DEFAULT_DPI;
mmHeight = height * 25.4 / DEFAULT_DPI;
}
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Setting screen physical size to %d x %d\n",
mmWidth, mmHeight);
/*
* This is the initial setting of the screen size.
* We have to pre-set it here, otherwise panning would be adapted
* to the new screen size.
*/
pScreen->width = width;
pScreen->height = height;
xf86RandR12ScreenSetSize (pScreen,
width,
height,
mmWidth,
mmHeight);
}
if (xf86RandR12Key == NULL)
return TRUE;
if (randrp->virtualX == -1 || randrp->virtualY == -1)
{
randrp->virtualX = pScrn->virtualX;
randrp->virtualY = pScrn->virtualY;
}
xf86CrtcSetScreenSubpixelOrder (pScreen);
#if RANDR_12_INTERFACE
if (xf86RandR12CreateScreenResources12 (pScreen))
return TRUE;
#endif
return TRUE;
}
Bool
xf86RandR12Init (ScreenPtr pScreen)
{
rrScrPrivPtr rp;
XF86RandRInfoPtr randrp;
#ifdef PANORAMIX
/* XXX disable RandR when using Xinerama */
if (!noPanoramiXExtension)
{
if (xf86NumScreens == 1)
noPanoramiXExtension = TRUE;
else
return TRUE;
}
#endif
if (xf86RandR12Generation != serverGeneration)
xf86RandR12Generation = serverGeneration;
xf86RandR12Key = &xf86RandR12KeyRec;
if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0))
return FALSE;
randrp = malloc(sizeof (XF86RandRInfoRec));
if (!randrp)
return FALSE;
if (!RRScreenInit(pScreen))
{
free(randrp);
return FALSE;
}
rp = rrGetScrPriv(pScreen);
rp->rrGetInfo = xf86RandR12GetInfo;
rp->rrSetConfig = xf86RandR12SetConfig;
randrp->virtualX = -1;
randrp->virtualY = -1;
randrp->mmWidth = pScreen->mmWidth;
randrp->mmHeight = pScreen->mmHeight;
randrp->rotation = RR_Rotate_0; /* initial rotated mode */
randrp->supported_rotations = RR_Rotate_0;
randrp->maxX = randrp->maxY = 0;
dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp);
#if RANDR_12_INTERFACE
if (!xf86RandR12Init12 (pScreen))
return FALSE;
#endif
return TRUE;
}
void
xf86RandR12CloseScreen (ScreenPtr pScreen)
{
XF86RandRInfoPtr randrp;
if (xf86RandR12Key == NULL)
return;
randrp = XF86RANDRINFO(pScreen);
#if RANDR_12_INTERFACE
xf86Screens[pScreen->myNum]->EnterVT = randrp->orig_EnterVT;
#endif
free(randrp);
}
void
xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations)
{
XF86RandRInfoPtr randrp;
#if RANDR_12_INTERFACE
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
int c;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
#endif
if (xf86RandR12Key == NULL)
return;
randrp = XF86RANDRINFO(pScreen);
#if RANDR_12_INTERFACE
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
RRCrtcSetRotations (crtc->randr_crtc, rotations);
}
#endif
randrp->supported_rotations = rotations;
}
void
xf86RandR12SetTransformSupport (ScreenPtr pScreen, Bool transforms)
{
XF86RandRInfoPtr randrp;
#if RANDR_13_INTERFACE
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
int c;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
#endif
if (xf86RandR12Key == NULL)
return;
randrp = XF86RANDRINFO(pScreen);
#if RANDR_13_INTERFACE
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
RRCrtcSetTransformSupport (crtc->randr_crtc, transforms);
}
#endif
}
void
xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y)
{
ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex];
if (xf86RandR12Generation != serverGeneration ||
XF86RANDRINFO(pScreen)->virtualX == -1)
{
*x = pScrn->virtualX;
*y = pScrn->virtualY;
} else {
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
*x = randrp->virtualX;
*y = randrp->virtualY;
}
}
#if RANDR_12_INTERFACE
#define FLAG_BITS (RR_HSyncPositive | \
RR_HSyncNegative | \
RR_VSyncPositive | \
RR_VSyncNegative | \
RR_Interlace | \
RR_DoubleScan | \
RR_CSync | \
RR_CSyncPositive | \
RR_CSyncNegative | \
RR_HSkewPresent | \
RR_BCast | \
RR_PixelMultiplex | \
RR_DoubleClock | \
RR_ClockDivideBy2)
static Bool
xf86RandRModeMatches (RRModePtr randr_mode,
DisplayModePtr mode)
{
#if 0
if (match_name)
{
/* check for same name */
int len = strlen (mode->name);
if (randr_mode->mode.nameLength != len) return FALSE;
if (memcmp (randr_mode->name, mode->name, len) != 0) return FALSE;
}
#endif
/* check for same timings */
if (randr_mode->mode.dotClock / 1000 != mode->Clock) return FALSE;
if (randr_mode->mode.width != mode->HDisplay) return FALSE;
if (randr_mode->mode.hSyncStart != mode->HSyncStart) return FALSE;
if (randr_mode->mode.hSyncEnd != mode->HSyncEnd) return FALSE;
if (randr_mode->mode.hTotal != mode->HTotal) return FALSE;
if (randr_mode->mode.hSkew != mode->HSkew) return FALSE;
if (randr_mode->mode.height != mode->VDisplay) return FALSE;
if (randr_mode->mode.vSyncStart != mode->VSyncStart) return FALSE;
if (randr_mode->mode.vSyncEnd != mode->VSyncEnd) return FALSE;
if (randr_mode->mode.vTotal != mode->VTotal) return FALSE;
/* check for same flags (using only the XF86 valid flag bits) */
if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS))
return FALSE;
/* everything matches */
return TRUE;
}
static Bool
xf86RandR12CrtcNotify (RRCrtcPtr randr_crtc)
{
ScreenPtr pScreen = randr_crtc->pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
RRModePtr randr_mode = NULL;
int x;
int y;
Rotation rotation;
int numOutputs;
RROutputPtr *randr_outputs;
RROutputPtr randr_output;
xf86CrtcPtr crtc = randr_crtc->devPrivate;
xf86OutputPtr output;
int i, j;
DisplayModePtr mode = &crtc->mode;
Bool ret;
randr_outputs = malloc(config->num_output * sizeof (RROutputPtr));
if (!randr_outputs)
return FALSE;
x = crtc->x;
y = crtc->y;
rotation = crtc->rotation;
numOutputs = 0;
randr_mode = NULL;
for (i = 0; i < config->num_output; i++)
{
output = config->output[i];
if (output->crtc == crtc)
{
randr_output = output->randr_output;
randr_outputs[numOutputs++] = randr_output;
/*
* We make copies of modes, so pointer equality
* isn't sufficient
*/
for (j = 0; j < randr_output->numModes + randr_output->numUserModes; j++)
{
RRModePtr m = (j < randr_output->numModes ?
randr_output->modes[j] :
randr_output->userModes[j-randr_output->numModes]);
if (xf86RandRModeMatches (m, mode))
{
randr_mode = m;
break;
}
}
}
}
ret = RRCrtcNotify (randr_crtc, randr_mode, x, y,
rotation,
crtc->transformPresent ? &crtc->transform : NULL,
numOutputs, randr_outputs);
free(randr_outputs);
return ret;
}
/*
* Convert a RandR mode to a DisplayMode
*/
static void
xf86RandRModeConvert (ScrnInfoPtr scrn,
RRModePtr randr_mode,
DisplayModePtr mode)
{
memset(mode, 0, sizeof(DisplayModeRec));
mode->status = MODE_OK;
mode->Clock = randr_mode->mode.dotClock / 1000;
mode->HDisplay = randr_mode->mode.width;
mode->HSyncStart = randr_mode->mode.hSyncStart;
mode->HSyncEnd = randr_mode->mode.hSyncEnd;
mode->HTotal = randr_mode->mode.hTotal;
mode->HSkew = randr_mode->mode.hSkew;
mode->VDisplay = randr_mode->mode.height;
mode->VSyncStart = randr_mode->mode.vSyncStart;
mode->VSyncEnd = randr_mode->mode.vSyncEnd;
mode->VTotal = randr_mode->mode.vTotal;
mode->VScan = 0;
mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS;
xf86SetModeCrtc (mode, scrn->adjustFlags);
}
static Bool
xf86RandR12CrtcSet (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
RRModePtr randr_mode,
int x,
int y,
Rotation rotation,
int num_randr_outputs,
RROutputPtr *randr_outputs)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
RRTransformPtr transform;
Bool changed = FALSE;
int o, ro;
xf86CrtcPtr *save_crtcs;
Bool save_enabled = crtc->enabled;
if (!crtc->scrn->vtSema)
return FALSE;
save_crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr));
if ((randr_mode != NULL) != crtc->enabled)
changed = TRUE;
else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
changed = TRUE;
if (rotation != crtc->rotation)
changed = TRUE;
transform = RRCrtcGetTransform (randr_crtc);
if ((transform != NULL) != crtc->transformPresent)
changed = TRUE;
else if (transform && memcmp (&transform->transform, &crtc->transform.transform,
sizeof (transform->transform)) != 0)
changed = TRUE;
if (x != crtc->x || y != crtc->y)
changed = TRUE;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
xf86CrtcPtr new_crtc;
save_crtcs[o] = output->crtc;
if (output->crtc == crtc)
new_crtc = NULL;
else
new_crtc = output->crtc;
for (ro = 0; ro < num_randr_outputs; ro++)
if (output->randr_output == randr_outputs[ro])
{
new_crtc = crtc;
break;
}
if (new_crtc != output->crtc)
{
changed = TRUE;
output->crtc = new_crtc;
}
}
for (ro = 0; ro < num_randr_outputs; ro++)
if (randr_outputs[ro]->pendingProperties)
changed = TRUE;
/* XXX need device-independent mode setting code through an API */
if (changed)
{
crtc->enabled = randr_mode != NULL;
if (randr_mode)
{
DisplayModeRec mode;
RRTransformPtr transform = RRCrtcGetTransform (randr_crtc);
xf86RandRModeConvert (pScrn, randr_mode, &mode);
if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y))
{
crtc->enabled = save_enabled;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
output->crtc = save_crtcs[o];
}
free(save_crtcs);
return FALSE;
}
xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height);
xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
/*
* Save the last successful setting for EnterVT
*/
crtc->desiredMode = mode;
crtc->desiredRotation = rotation;
if (transform) {
crtc->desiredTransform = *transform;
crtc->desiredTransformPresent = TRUE;
} else
crtc->desiredTransformPresent = FALSE;
crtc->desiredX = x;
crtc->desiredY = y;
}
xf86DisableUnusedFunctions (pScrn);
}
free(save_crtcs);
return xf86RandR12CrtcNotify (randr_crtc);
}
static Bool
xf86RandR12CrtcSetGamma (ScreenPtr pScreen,
RRCrtcPtr randr_crtc)
{
xf86CrtcPtr crtc = randr_crtc->devPrivate;
if (crtc->funcs->gamma_set == NULL)
return FALSE;
if (!crtc->scrn->vtSema)
return TRUE;
/* Realloc local gamma if needed. */
if (randr_crtc->gammaSize != crtc->gamma_size) {
CARD16 *tmp_ptr;
tmp_ptr = realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof (CARD16));
if (!tmp_ptr)
return FALSE;
crtc->gamma_red = tmp_ptr;
crtc->gamma_green = crtc->gamma_red + crtc->gamma_size;
crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size;
}
crtc->gamma_size = randr_crtc->gammaSize;
memcpy (crtc->gamma_red, randr_crtc->gammaRed, crtc->gamma_size * sizeof (CARD16));
memcpy (crtc->gamma_green, randr_crtc->gammaGreen, crtc->gamma_size * sizeof (CARD16));
memcpy (crtc->gamma_blue, randr_crtc->gammaBlue, crtc->gamma_size * sizeof (CARD16));
/* Only set it when the crtc is actually running.
* Otherwise it will be set when it's activated.
*/
if (crtc->active)
crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
crtc->gamma_blue, crtc->gamma_size);
return TRUE;
}
static Bool
xf86RandR12CrtcGetGamma (ScreenPtr pScreen,
RRCrtcPtr randr_crtc)
{
xf86CrtcPtr crtc = randr_crtc->devPrivate;
if (!crtc->gamma_size)
return FALSE;
if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue)
return FALSE;
/* Realloc randr gamma if needed. */
if (randr_crtc->gammaSize != crtc->gamma_size) {
CARD16 *tmp_ptr;
tmp_ptr = realloc(randr_crtc->gammaRed, 3 * crtc->gamma_size * sizeof (CARD16));
if (!tmp_ptr)
return FALSE;
randr_crtc->gammaRed = tmp_ptr;
randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size;
randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size;
}
randr_crtc->gammaSize = crtc->gamma_size;
memcpy (randr_crtc->gammaRed, crtc->gamma_red, crtc->gamma_size * sizeof (CARD16));
memcpy (randr_crtc->gammaGreen, crtc->gamma_green, crtc->gamma_size * sizeof (CARD16));
memcpy (randr_crtc->gammaBlue, crtc->gamma_blue, crtc->gamma_size * sizeof (CARD16));
return TRUE;
}
static Bool
xf86RandR12OutputSetProperty (ScreenPtr pScreen,
RROutputPtr randr_output,
Atom property,
RRPropertyValuePtr value)
{
xf86OutputPtr output = randr_output->devPrivate;
/* If we don't have any property handler, then we don't care what the
* user is setting properties to.
*/
if (output->funcs->set_property == NULL)
return TRUE;
/*
* This function gets called even when vtSema is FALSE, as
* drivers will need to remember the correct value to apply
* when the VT switch occurs
*/
return output->funcs->set_property(output, property, value);
}
static Bool
xf86RandR13OutputGetProperty (ScreenPtr pScreen,
RROutputPtr randr_output,
Atom property)
{
xf86OutputPtr output = randr_output->devPrivate;
if (output->funcs->get_property == NULL)
return TRUE;
/* Should be safe even w/o vtSema */
return output->funcs->get_property(output, property);
}
static Bool
xf86RandR12OutputValidateMode (ScreenPtr pScreen,
RROutputPtr randr_output,
RRModePtr randr_mode)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86OutputPtr output = randr_output->devPrivate;
DisplayModeRec mode;
xf86RandRModeConvert (pScrn, randr_mode, &mode);
/*
* This function may be called when vtSema is FALSE, so
* the underlying function must either avoid touching the hardware
* or return FALSE when vtSema is FALSE
*/
if (output->funcs->mode_valid (output, &mode) != MODE_OK)
return FALSE;
return TRUE;
}
static void
xf86RandR12ModeDestroy (ScreenPtr pScreen, RRModePtr randr_mode)
{
}
/**
* Given a list of xf86 modes and a RandR Output object, construct
* RandR modes and assign them to the output
*/
static Bool
xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes)
{
DisplayModePtr mode;
RRModePtr *rrmodes = NULL;
int nmode = 0;
int npreferred = 0;
Bool ret = TRUE;
int pref;
for (mode = modes; mode; mode = mode->next)
nmode++;
if (nmode) {
rrmodes = malloc(nmode * sizeof (RRModePtr));
if (!rrmodes)
return FALSE;
nmode = 0;
for (pref = 1; pref >= 0; pref--) {
for (mode = modes; mode; mode = mode->next) {
if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) {
xRRModeInfo modeInfo;
RRModePtr rrmode;
modeInfo.nameLength = strlen (mode->name);
modeInfo.width = mode->HDisplay;
modeInfo.dotClock = mode->Clock * 1000;
modeInfo.hSyncStart = mode->HSyncStart;
modeInfo.hSyncEnd = mode->HSyncEnd;
modeInfo.hTotal = mode->HTotal;
modeInfo.hSkew = mode->HSkew;
modeInfo.height = mode->VDisplay;
modeInfo.vSyncStart = mode->VSyncStart;
modeInfo.vSyncEnd = mode->VSyncEnd;
modeInfo.vTotal = mode->VTotal;
modeInfo.modeFlags = mode->Flags;
rrmode = RRModeGet (&modeInfo, mode->name);
if (rrmode) {
rrmodes[nmode++] = rrmode;
npreferred += pref;
}
}
}
}
}
ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred);
free(rrmodes);
return ret;
}
/*
* Mirror the current mode configuration to RandR
*/
static Bool
xf86RandR12SetInfo12 (ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
RROutputPtr *clones;
RRCrtcPtr *crtcs;
int ncrtc;
int o, c, l;
RRCrtcPtr randr_crtc;
int nclone;
clones = malloc(config->num_output * sizeof (RROutputPtr));
crtcs = malloc(config->num_crtc * sizeof (RRCrtcPtr));
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
ncrtc = 0;
for (c = 0; c < config->num_crtc; c++)
if (output->possible_crtcs & (1 << c))
crtcs[ncrtc++] = config->crtc[c]->randr_crtc;
if (output->crtc)
randr_crtc = output->crtc->randr_crtc;
else
randr_crtc = NULL;
if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc))
{
free(crtcs);
free(clones);
return FALSE;
}
RROutputSetPhysicalSize(output->randr_output,
output->mm_width,
output->mm_height);
xf86RROutputSetModes (output->randr_output, output->probed_modes);
switch (output->status) {
case XF86OutputStatusConnected:
RROutputSetConnection (output->randr_output, RR_Connected);
break;
case XF86OutputStatusDisconnected:
RROutputSetConnection (output->randr_output, RR_Disconnected);
break;
case XF86OutputStatusUnknown:
RROutputSetConnection (output->randr_output, RR_UnknownConnection);
break;
}
RROutputSetSubpixelOrder (output->randr_output, output->subpixel_order);
/*
* Valid clones
*/
nclone = 0;
for (l = 0; l < config->num_output; l++)
{
xf86OutputPtr clone = config->output[l];
if (l != o && (output->possible_clones & (1 << l)))
clones[nclone++] = clone->randr_output;
}
if (!RROutputSetClones (output->randr_output, clones, nclone))
{
free(crtcs);
free(clones);
return FALSE;
}
}
free(crtcs);
free(clones);
return TRUE;
}
/*
* Query the hardware for the current state, then mirror
* that to RandR
*/
static Bool
xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
if (!pScrn->vtSema)
return TRUE;
xf86ProbeOutputModes (pScrn, 0, 0);
xf86SetScrnInfoModes (pScrn);
return xf86RandR12SetInfo12 (pScreen);
}
static Bool
xf86RandR12CreateObjects12 (ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int c;
int o;
if (!RRInit ())
return FALSE;
/*
* Configure crtcs
*/
for (c = 0; c < config->num_crtc; c++)
{
xf86CrtcPtr crtc = config->crtc[c];
crtc->randr_crtc = RRCrtcCreate (pScreen, crtc);
RRCrtcGammaSetSize (crtc->randr_crtc, 256);
}
/*
* Configure outputs
*/
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
output->randr_output = RROutputCreate (pScreen, output->name,
strlen (output->name),
output);
if (output->funcs->create_resources != NULL)
output->funcs->create_resources(output);
RRPostPendingProperties (output->randr_output);
}
return TRUE;
}
static Bool
xf86RandR12CreateScreenResources12 (ScreenPtr pScreen)
{
int c;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
if (xf86RandR12Key == NULL)
return TRUE;
for (c = 0; c < config->num_crtc; c++)
xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight,
config->maxWidth, config->maxHeight);
return TRUE;
}
/*
* Something happened within the screen configuration due
* to DGA, VidMode or hot key. Tell RandR
*/
void
xf86RandR12TellChanged (ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int c;
if (xf86RandR12Key == NULL)
return;
xf86RandR12SetInfo12 (pScreen);
for (c = 0; c < config->num_crtc; c++)
xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
RRTellChanged (pScreen);
}
static void
xf86RandR12PointerMoved (int scrnIndex, int x, int y)
{
ScreenPtr pScreen = screenInfo.screens[scrnIndex];
ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int c;
randrp->pointerX = x;
randrp->pointerY = y;
for (c = 0; c < config->num_crtc; c++)
xf86RandR13Pan (config->crtc[c], x, y);
}
static Bool
xf86RandR13GetPanning (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
BoxPtr totalArea,
BoxPtr trackingArea,
INT16 *border)
{
xf86CrtcPtr crtc = randr_crtc->devPrivate;
if (crtc->version < 2)
return FALSE;
if (totalArea)
memcpy (totalArea, &crtc->panningTotalArea, sizeof(BoxRec));
if (trackingArea)
memcpy (trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));
if (border)
memcpy (border, crtc->panningBorder, 4*sizeof(INT16));
return TRUE;
}
static Bool
xf86RandR13SetPanning (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
BoxPtr totalArea,
BoxPtr trackingArea,
INT16 *border)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
BoxRec oldTotalArea;
BoxRec oldTrackingArea;
INT16 oldBorder[4];
if (crtc->version < 2)
return FALSE;
memcpy (&oldTotalArea, &crtc->panningTotalArea, sizeof(BoxRec));
memcpy (&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec));
memcpy (oldBorder, crtc->panningBorder, 4*sizeof(INT16));
if (totalArea)
memcpy (&crtc->panningTotalArea, totalArea, sizeof(BoxRec));
if (trackingArea)
memcpy (&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec));
if (border)
memcpy (crtc->panningBorder, border, 4*sizeof(INT16));
if (xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height)) {
xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
return TRUE;
} else {
/* Restore old settings */
memcpy (&crtc->panningTotalArea, &oldTotalArea, sizeof(BoxRec));
memcpy (&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec));
memcpy (crtc->panningBorder, oldBorder, 4*sizeof(INT16));
return FALSE;
}
}
/*
* Compatibility with XF86VidMode's gamma changer. This necessarily clobbers
* any per-crtc setup. You asked for it...
*/
static void
gamma_to_ramp(float gamma, CARD16 *ramp, int size)
{
int i;
for (i = 0; i < size; i++) {
if (gamma == 1.0)
ramp[i] = i << 8;
else
ramp[i] = (CARD16)(pow((double)i / (double)(size - 1), 1. / gamma)
* (double)(size - 1) * 256);
}
}
static int
xf86RandR12ChangeGamma(int scrnIndex, Gamma gamma)
{
CARD16 *points, *red, *green, *blue;
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn);
int size;
if (!crtc)
return Success;
size = max(0, crtc->gammaSize);
if (!size)
return Success;
points = calloc(size, 3 * sizeof(CARD16));
if (!points)
return BadAlloc;
red = points;
green = points + size;
blue = points + 2 * size;
gamma_to_ramp(gamma.red, red, size);
gamma_to_ramp(gamma.green, green, size);
gamma_to_ramp(gamma.blue, blue, size);
RRCrtcGammaSet(crtc, red, green, blue);
free(points);
pScrn->gamma = gamma;
return Success;
}
static Bool
xf86RandR12EnterVT (int screen_index, int flags)
{
ScreenPtr pScreen = screenInfo.screens[screen_index];
ScrnInfoPtr pScrn = xf86Screens[screen_index];
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
Bool ret;
int i;
if (randrp->orig_EnterVT) {
pScrn->EnterVT = randrp->orig_EnterVT;
ret = pScrn->EnterVT (screen_index, flags);
randrp->orig_EnterVT = pScrn->EnterVT;
pScrn->EnterVT = xf86RandR12EnterVT;
if (!ret)
return FALSE;
}
/* reload gamma */
for (i = 0; i < rp->numCrtcs; i++)
xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]);
return RRGetInfo (pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */
}
static Bool
xf86RandR12Init12 (ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int i;
rp->rrGetInfo = xf86RandR12GetInfo12;
rp->rrScreenSetSize = xf86RandR12ScreenSetSize;
rp->rrCrtcSet = xf86RandR12CrtcSet;
rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma;
rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma;
rp->rrOutputSetProperty = xf86RandR12OutputSetProperty;
rp->rrOutputValidateMode = xf86RandR12OutputValidateMode;
#if RANDR_13_INTERFACE
rp->rrOutputGetProperty = xf86RandR13OutputGetProperty;
rp->rrGetPanning = xf86RandR13GetPanning;
rp->rrSetPanning = xf86RandR13SetPanning;
#endif
rp->rrModeDestroy = xf86RandR12ModeDestroy;
rp->rrSetConfig = NULL;
pScrn->PointerMoved = xf86RandR12PointerMoved;
pScrn->ChangeGamma = xf86RandR12ChangeGamma;
randrp->orig_EnterVT = pScrn->EnterVT;
pScrn->EnterVT = xf86RandR12EnterVT;
if (!xf86RandR12CreateObjects12 (pScreen))
return FALSE;
/*
* Configure output modes
*/
if (!xf86RandR12SetInfo12 (pScreen))
return FALSE;
for (i = 0; i < rp->numCrtcs; i++) {
xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]);
}
return TRUE;
}
#endif
Bool
xf86RandR12PreInit (ScrnInfoPtr pScrn)
{
return TRUE;
}
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