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xserver/hw/xfree86/modes/xf86RandR12.c

2411 lines
73 KiB
C

/*
* 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>
#endif
#include "xf86.h"
#include "os.h"
#include "globals.h"
#include "xf86Modes.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 "xf86cmap.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 */
/* Compatibility with colormaps and XF86VidMode's gamma */
int palette_red_size;
int palette_green_size;
int palette_blue_size;
int palette_size;
LOCO *palette;
/* 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;
Bool panning;
ConstrainCursorHarderProcPtr orig_ConstrainCursorHarder;
} XF86RandRInfoRec, *XF86RandRInfoPtr;
#ifdef RANDR_12_INTERFACE
static Bool xf86RandR12Init12(ScreenPtr pScreen);
static Bool xf86RandR12CreateScreenResources12(ScreenPtr pScreen);
#endif
static int xf86RandR12Generation;
static DevPrivateKeyRec xf86RandR12KeyRec;
#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \
dixLookupPrivate(&(p)->devPrivates, &xf86RandR12KeyRec))
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 = xf86ScreenToScrn(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
DisplayModePtr mode;
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;
}
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 = xf86ScreenToScrn(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) (scrp, 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 its 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) (scrp, TRUE);
return ret;
}
Bool
xf86RandR12SetConfig(ScreenPtr pScreen,
Rotation rotation, int rate, RRScreenSizePtr pSize)
{
ScrnInfoPtr scrp = xf86ScreenToScrn(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;
}
#define PANNING_ENABLED(crtc) \
((crtc)->panningTotalArea.x2 > (crtc)->panningTotalArea.x1 || \
(crtc)->panningTotalArea.y2 > (crtc)->panningTotalArea.y1)
static Bool
xf86RandR12ScreenSetSize(ScreenPtr pScreen,
CARD16 width,
CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
WindowPtr pRoot = pScreen->root;
PixmapPtr pScrnPix;
Bool ret = FALSE;
int c;
if (randrp->virtualX == -1 || randrp->virtualY == -1) {
randrp->virtualX = pScrn->virtualX;
randrp->virtualY = pScrn->virtualY;
}
if (pRoot && pScrn->vtSema)
(*pScrn->EnableDisableFBAccess) (pScrn, 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 (PANNING_ENABLED (crtc)) {
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:
update_desktop_dimensions();
if (pRoot && pScrn->vtSema)
(*pScrn->EnableDisableFBAccess) (pScrn, TRUE);
#if RANDR_12_INTERFACE
if (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 = xf86ScreenToScrn(pScreen);
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 (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;
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;
randrp->palette_size = 0;
randrp->palette = NULL;
dixSetPrivate(&pScreen->devPrivates, &xf86RandR12KeyRec, randrp);
#if RANDR_12_INTERFACE
if (!xf86RandR12Init12(pScreen))
return FALSE;
#endif
return TRUE;
}
void
xf86RandR12CloseScreen(ScreenPtr pScreen)
{
XF86RandRInfoPtr randrp;
if (!dixPrivateKeyRegistered(&xf86RandR12KeyRec))
return;
randrp = XF86RANDRINFO(pScreen);
#if RANDR_12_INTERFACE
xf86ScreenToScrn(pScreen)->EnterVT = randrp->orig_EnterVT;
pScreen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder;
#endif
free(randrp->palette);
free(randrp);
}
void
xf86RandR12SetRotations(ScreenPtr pScreen, Rotation rotations)
{
XF86RandRInfoPtr randrp;
#if RANDR_12_INTERFACE
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
int c;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
#endif
if (!dixPrivateKeyRegistered(&xf86RandR12KeyRec))
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)
{
#if RANDR_13_INTERFACE
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
int c;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
if (!dixPrivateKeyRegistered(&xf86RandR12KeyRec))
return;
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 = xf86ScrnToScreen(pScrn);
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 = xf86ScreenToScrn(pScreen);
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 = xallocarray(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 = xf86ScreenToScrn(pScreen);
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 = xallocarray(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;
if (crtc->current_scanout != randr_crtc->scanout_pixmap ||
crtc->current_scanout_back != randr_crtc->scanout_pixmap_back)
changed = TRUE;
transform = RRCrtcGetTransform(randr_crtc);
if ((transform != NULL) != crtc->transformPresent)
changed = TRUE;
else if (transform &&
!RRTransformEqual(transform, &crtc->transform))
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;
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);
randrp->panning = PANNING_ENABLED (crtc);
/*
* Save the last successful setting for EnterVT
*/
xf86SaveModeContents(&crtc->desiredMode, &mode);
crtc->desiredRotation = rotation;
crtc->current_scanout = randr_crtc->scanout_pixmap;
crtc->current_scanout_back = randr_crtc->scanout_pixmap_back;
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 void
xf86RandR12CrtcComputeGamma(xf86CrtcPtr crtc, LOCO *palette,
int palette_red_size, int palette_green_size,
int palette_blue_size, CARD16 *gamma_red,
CARD16 *gamma_green, CARD16 *gamma_blue,
int gamma_size)
{
int gamma_slots;
unsigned shift;
int i, j;
CARD32 value = 0;
for (shift = 0; (gamma_size << shift) < (1 << 16); shift++);
if (crtc->gamma_size >= palette_red_size) {
/* Upsampling of smaller palette to larger hw lut size */
gamma_slots = crtc->gamma_size / palette_red_size;
for (i = 0; i < palette_red_size; i++) {
value = palette[i].red;
if (gamma_red)
value = gamma_red[value];
else
value <<= shift;
for (j = 0; j < gamma_slots; j++)
crtc->gamma_red[i * gamma_slots + j] = value;
}
/* Replicate last value until end of crtc for gamma_size not a power of 2 */
for (j = i * gamma_slots; j < crtc->gamma_size; j++)
crtc->gamma_red[j] = value;
} else {
/* Downsampling of larger palette to smaller hw lut size */
for (i = 0; i < crtc->gamma_size; i++) {
value = palette[i * (palette_red_size - 1) / (crtc->gamma_size - 1)].red;
if (gamma_red)
value = gamma_red[value];
else
value <<= shift;
crtc->gamma_red[i] = value;
}
}
if (crtc->gamma_size >= palette_green_size) {
/* Upsampling of smaller palette to larger hw lut size */
gamma_slots = crtc->gamma_size / palette_green_size;
for (i = 0; i < palette_green_size; i++) {
value = palette[i].green;
if (gamma_green)
value = gamma_green[value];
else
value <<= shift;
for (j = 0; j < gamma_slots; j++)
crtc->gamma_green[i * gamma_slots + j] = value;
}
/* Replicate last value until end of crtc for gamma_size not a power of 2 */
for (j = i * gamma_slots; j < crtc->gamma_size; j++)
crtc->gamma_green[j] = value;
} else {
/* Downsampling of larger palette to smaller hw lut size */
for (i = 0; i < crtc->gamma_size; i++) {
value = palette[i * (palette_green_size - 1) / (crtc->gamma_size - 1)].green;
if (gamma_green)
value = gamma_green[value];
else
value <<= shift;
crtc->gamma_green[i] = value;
}
}
if (crtc->gamma_size >= palette_blue_size) {
/* Upsampling of smaller palette to larger hw lut size */
gamma_slots = crtc->gamma_size / palette_blue_size;
for (i = 0; i < palette_blue_size; i++) {
value = palette[i].blue;
if (gamma_blue)
value = gamma_blue[value];
else
value <<= shift;
for (j = 0; j < gamma_slots; j++)
crtc->gamma_blue[i * gamma_slots + j] = value;
}
/* Replicate last value until end of crtc for gamma_size not a power of 2 */
for (j = i * gamma_slots; j < crtc->gamma_size; j++)
crtc->gamma_blue[j] = value;
} else {
/* Downsampling of larger palette to smaller hw lut size */
for (i = 0; i < crtc->gamma_size; i++) {
value = palette[i * (palette_blue_size - 1) / (crtc->gamma_size - 1)].blue;
if (gamma_blue)
value = gamma_blue[value];
else
value <<= shift;
crtc->gamma_blue[i] = value;
}
}
}
static void
xf86RandR12CrtcReloadGamma(xf86CrtcPtr crtc)
{
if (!crtc->scrn->vtSema || !crtc->funcs->gamma_set)
return;
/* 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);
}
static Bool
xf86RandR12CrtcSetGamma(ScreenPtr pScreen, RRCrtcPtr randr_crtc)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
int max_size = crtc->gamma_size;
if (crtc->funcs->gamma_set == NULL)
return FALSE;
if (randrp->palette_size) {
xf86RandR12CrtcComputeGamma(crtc, randrp->palette,
randrp->palette_red_size,
randrp->palette_green_size,
randrp->palette_blue_size,
randr_crtc->gammaRed,
randr_crtc->gammaGreen,
randr_crtc->gammaBlue,
randr_crtc->gammaSize);
} else {
if (max_size > randr_crtc->gammaSize)
max_size = randr_crtc->gammaSize;
memcpy(crtc->gamma_red, randr_crtc->gammaRed,
max_size * sizeof(crtc->gamma_red[0]));
memcpy(crtc->gamma_green, randr_crtc->gammaGreen,
max_size * sizeof(crtc->gamma_green[0]));
memcpy(crtc->gamma_blue, randr_crtc->gammaBlue,
max_size * sizeof(crtc->gamma_blue[0]));
}
xf86RandR12CrtcReloadGamma(crtc);
return TRUE;
}
static void
init_one_component(CARD16 *comp, unsigned size, float gamma)
{
int i;
unsigned shift;
for (shift = 0; (size << shift) < (1 << 16); shift++);
if (gamma == 1.0) {
for (i = 0; i < size; i++)
comp[i] = i << shift;
} else {
for (i = 0; i < size; i++)
comp[i] = (CARD16) (pow((double) i / (double) (size - 1),
1. / (double) gamma) *
(double) (size - 1) * (1 << shift));
}
}
static Bool
xf86RandR12CrtcInitGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green,
float gamma_blue)
{
unsigned size = crtc->randr_crtc->gammaSize;
CARD16 *red, *green, *blue;
if (!crtc->funcs->gamma_set &&
(gamma_red != 1.0f || gamma_green != 1.0f || gamma_blue != 1.0f))
return FALSE;
red = xallocarray(size, 3 * sizeof(CARD16));
if (!red)
return FALSE;
green = red + size;
blue = green + size;
init_one_component(red, size, gamma_red);
init_one_component(green, size, gamma_green);
init_one_component(blue, size, gamma_blue);
RRCrtcGammaSet(crtc->randr_crtc, red, green, blue);
free(red);
return TRUE;
}
static Bool
xf86RandR12OutputInitGamma(xf86OutputPtr output)
{
XF86ConfMonitorPtr mon = output->conf_monitor;
float gamma_red = 1.0, gamma_green = 1.0, gamma_blue = 1.0;
if (!mon)
return TRUE;
/* Get configured values, where they exist. */
if (mon->mon_gamma_red >= GAMMA_MIN && mon->mon_gamma_red <= GAMMA_MAX)
gamma_red = mon->mon_gamma_red;
if (mon->mon_gamma_green >= GAMMA_MIN && mon->mon_gamma_green <= GAMMA_MAX)
gamma_green = mon->mon_gamma_green;
if (mon->mon_gamma_blue >= GAMMA_MIN && mon->mon_gamma_blue <= GAMMA_MAX)
gamma_blue = mon->mon_gamma_blue;
/* Don't set gamma 1.0 if another cloned output on this CRTC already set a
* different gamma
*/
if (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0) {
if (!output->crtc->randr_crtc) {
xf86DrvMsg(output->scrn->scrnIndex, X_WARNING,
"Gamma correction for output %s not possible because "
"RandR is disabled\n", output->name);
return TRUE;
}
xf86DrvMsg(output->scrn->scrnIndex, X_INFO,
"Output %s wants gamma correction (%.1f, %.1f, %.1f)\n",
output->name, gamma_red, gamma_green, gamma_blue);
return xf86RandR12CrtcInitGamma(output->crtc, gamma_red, gamma_green,
gamma_blue);
}
return TRUE;
}
Bool
xf86RandR12InitGamma(ScrnInfoPtr pScrn, unsigned gammaSize) {
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int o, c;
/* Set default gamma for all CRTCs
* This is done to avoid problems later on with cloned outputs
*/
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
if (!crtc->randr_crtc)
continue;
if (!RRCrtcGammaSetSize(crtc->randr_crtc, gammaSize) ||
!xf86RandR12CrtcInitGamma(crtc, 1.0f, 1.0f, 1.0f))
return FALSE;
}
/* Set initial gamma per monitor configuration
*/
for (o = 0; o < config->num_output; o++) {
xf86OutputPtr output = config->output[o];
if (output->crtc &&
!xf86RandR12OutputInitGamma(output))
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Initial gamma correction for output %s: failed.\n",
output->name);
}
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 = xf86ScreenToScrn(pScreen);
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 = xallocarray(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 = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
RROutputPtr *clones;
RRCrtcPtr *crtcs;
int ncrtc;
int o, c, l;
int nclone;
clones = xallocarray(config->num_output, sizeof(RROutputPtr));
crtcs = xallocarray(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 (!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:
if (xf86OutputForceEnabled(output))
RROutputSetConnection(output->randr_output, RR_Connected);
else
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 = xf86ScreenToScrn(pScreen);
if (!pScrn->vtSema)
return TRUE;
xf86ProbeOutputModes(pScrn, 0, 0);
xf86SetScrnInfoModes(pScrn);
return xf86RandR12SetInfo12(pScreen);
}
static Bool
xf86RandR12CreateObjects12(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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);
}
/*
* 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);
}
if (config->name) {
config->randr_provider = RRProviderCreate(pScreen, config->name,
strlen(config->name));
RRProviderSetCapabilities(config->randr_provider, pScrn->capabilities);
}
return TRUE;
}
static void
xf86RandR12CreateMonitors(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int o, ot;
int ht, vt;
int ret;
char buf[25];
for (o = 0; o < config->num_output; o++) {
xf86OutputPtr output = config->output[o];
struct xf86CrtcTileInfo *tile_info = &output->tile_info, *this_tile;
RRMonitorPtr monitor;
int output_num, num_outputs;
if (!tile_info->group_id)
continue;
if (tile_info->tile_h_loc ||
tile_info->tile_v_loc)
continue;
num_outputs = tile_info->num_h_tile * tile_info->num_v_tile;
monitor = RRMonitorAlloc(num_outputs);
if (!monitor)
return;
monitor->pScreen = pScreen;
snprintf(buf, 25, "Auto-Monitor-%d", tile_info->group_id);
monitor->name = MakeAtom(buf, strlen(buf), TRUE);
monitor->primary = 0;
monitor->automatic = TRUE;
memset(&monitor->geometry.box, 0, sizeof(monitor->geometry.box));
output_num = 0;
for (ht = 0; ht < tile_info->num_h_tile; ht++) {
for (vt = 0; vt < tile_info->num_v_tile; vt++) {
for (ot = 0; ot < config->num_output; ot++) {
this_tile = &config->output[ot]->tile_info;
if (this_tile->group_id != tile_info->group_id)
continue;
if (this_tile->tile_h_loc != ht ||
this_tile->tile_v_loc != vt)
continue;
monitor->outputs[output_num] = config->output[ot]->randr_output->id;
output_num++;
}
}
}
ret = RRMonitorAdd(serverClient, pScreen, monitor);
if (ret) {
RRMonitorFree(monitor);
return;
}
}
}
static Bool
xf86RandR12CreateScreenResources12(ScreenPtr pScreen)
{
int c;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
for (c = 0; c < config->num_crtc; c++)
xf86RandR12CrtcNotify(config->crtc[c]->randr_crtc);
RRScreenSetSizeRange(pScreen, config->minWidth, config->minHeight,
config->maxWidth, config->maxHeight);
xf86RandR12CreateMonitors(pScreen);
if (!pScreen->isGPU) {
rp->primaryOutput = config->output[0]->randr_output;
RROutputChanged(rp->primaryOutput, FALSE);
rp->layoutChanged = TRUE;
}
return TRUE;
}
/*
* Something happened within the screen configuration due
* to DGA, VidMode or hot key. Tell RandR
*/
void
xf86RandR12TellChanged(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int c;
xf86RandR12SetInfo12(pScreen);
for (c = 0; c < config->num_crtc; c++)
xf86RandR12CrtcNotify(config->crtc[c]->randr_crtc);
RRTellChanged(pScreen);
}
static void
xf86RandR12PointerMoved(ScrnInfoPtr pScrn, int x, int y)
{
ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
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];
Bool oldPanning = randrp->panning;
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);
randrp->panning = PANNING_ENABLED (crtc);
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));
randrp->panning = oldPanning;
return FALSE;
}
}
/*
* Compatibility with colormaps and XF86VidMode's gamma
*/
void
xf86RandR12LoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
LOCO *colors, VisualPtr pVisual)
{
ScreenPtr pScreen = pScrn->pScreen;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int reds, greens, blues, index, palette_size;
int c, i;
if (pVisual->class == TrueColor || pVisual->class == DirectColor) {
reds = (pVisual->redMask >> pVisual->offsetRed) + 1;
greens = (pVisual->greenMask >> pVisual->offsetGreen) + 1;
blues = (pVisual->blueMask >> pVisual->offsetBlue) + 1;
} else {
reds = greens = blues = pVisual->ColormapEntries;
}
palette_size = max(reds, max(greens, blues));
if (dixPrivateKeyRegistered(rrPrivKey)) {
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
if (randrp->palette_size != palette_size) {
randrp->palette = reallocarray(randrp->palette, palette_size,
sizeof(colors[0]));
if (!randrp->palette) {
randrp->palette_size = 0;
return;
}
randrp->palette_size = palette_size;
}
randrp->palette_red_size = reds;
randrp->palette_green_size = greens;
randrp->palette_blue_size = blues;
for (i = 0; i < numColors; i++) {
index = indices[i];
if (index < reds)
randrp->palette[index].red = colors[index].red;
if (index < greens)
randrp->palette[index].green = colors[index].green;
if (index < blues)
randrp->palette[index].blue = colors[index].blue;
}
}
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
RRCrtcPtr randr_crtc = crtc->randr_crtc;
if (randr_crtc) {
xf86RandR12CrtcComputeGamma(crtc, colors, reds, greens, blues,
randr_crtc->gammaRed,
randr_crtc->gammaGreen,
randr_crtc->gammaBlue,
randr_crtc->gammaSize);
} else {
xf86RandR12CrtcComputeGamma(crtc, colors, reds, greens, blues,
NULL, NULL, NULL,
xf86GetGammaRampSize(pScreen));
}
xf86RandR12CrtcReloadGamma(crtc);
}
}
/*
* Compatibility pScrn->ChangeGamma provider for ddx drivers which do not call
* xf86HandleColormaps(). Note such drivers really should be fixed to call
* xf86HandleColormaps() as this clobbers the per-CRTC gamma ramp of the CRTC
* assigned to the RandR compatibility output.
*/
static int
xf86RandR12ChangeGamma(ScrnInfoPtr pScrn, Gamma gamma)
{
RRCrtcPtr randr_crtc = xf86CompatRRCrtc(pScrn);
int size;
if (!randr_crtc || pScrn->LoadPalette == xf86RandR12LoadPalette)
return Success;
size = max(0, randr_crtc->gammaSize);
if (!size)
return Success;
init_one_component(randr_crtc->gammaRed, size, gamma.red);
init_one_component(randr_crtc->gammaGreen, size, gamma.green);
init_one_component(randr_crtc->gammaBlue, size, gamma.blue);
xf86RandR12CrtcSetGamma(xf86ScrnToScreen(pScrn), randr_crtc);
pScrn->gamma = gamma;
return Success;
}
static Bool
xf86RandR12EnterVT(ScrnInfoPtr pScrn)
{
ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
Bool ret;
int i;
if (randrp->orig_EnterVT) {
pScrn->EnterVT = randrp->orig_EnterVT;
ret = pScrn->EnterVT(pScrn);
randrp->orig_EnterVT = pScrn->EnterVT;
pScrn->EnterVT = xf86RandR12EnterVT;
if (!ret)
return FALSE;
}
/* reload gamma */
for (i = 0; i < rp->numCrtcs; i++)
xf86RandR12CrtcReloadGamma(rp->crtcs[i]->devPrivate);
return RRGetInfo(pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */
}
static void
xf86DetachOutputGPU(ScreenPtr pScreen)
{
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
int i;
/* make sure there are no attached shared scanout pixmaps first */
for (i = 0; i < rp->numCrtcs; i++)
RRCrtcDetachScanoutPixmap(rp->crtcs[i]);
DetachOutputGPU(pScreen);
}
static Bool
xf86RandR14ProviderSetOutputSource(ScreenPtr pScreen,
RRProviderPtr provider,
RRProviderPtr source_provider)
{
if (!source_provider) {
if (provider->output_source) {
xf86DetachOutputGPU(pScreen);
}
provider->output_source = NULL;
return TRUE;
}
if (provider->output_source == source_provider)
return TRUE;
SetRootClip(source_provider->pScreen, ROOT_CLIP_NONE);
AttachOutputGPU(source_provider->pScreen, pScreen);
provider->output_source = source_provider;
SetRootClip(source_provider->pScreen, ROOT_CLIP_FULL);
return TRUE;
}
static Bool
xf86RandR14ProviderSetOffloadSink(ScreenPtr pScreen,
RRProviderPtr provider,
RRProviderPtr sink_provider)
{
if (!sink_provider) {
if (provider->offload_sink) {
xf86DetachOutputGPU(pScreen);
}
provider->offload_sink = NULL;
return TRUE;
}
if (provider->offload_sink == sink_provider)
return TRUE;
AttachOffloadGPU(sink_provider->pScreen, pScreen);
provider->offload_sink = sink_provider;
return TRUE;
}
static Bool
xf86RandR14ProviderSetProperty(ScreenPtr pScreen,
RRProviderPtr randr_provider,
Atom property, RRPropertyValuePtr value)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
/* If we don't have any property handler, then we don't care what the
* user is setting properties to.
*/
if (config->provider_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 config->provider_funcs->set_property(pScrn, property, value);
}
static Bool
xf86RandR14ProviderGetProperty(ScreenPtr pScreen,
RRProviderPtr randr_provider, Atom property)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
if (config->provider_funcs->get_property == NULL)
return TRUE;
/* Should be safe even w/o vtSema */
return config->provider_funcs->get_property(pScrn, property);
}
static Bool
xf86CrtcSetScanoutPixmap(RRCrtcPtr randr_crtc, PixmapPtr pixmap)
{
xf86CrtcPtr crtc = randr_crtc->devPrivate;
if (!crtc->funcs->set_scanout_pixmap)
return FALSE;
return crtc->funcs->set_scanout_pixmap(crtc, pixmap);
}
static void
xf86RandR13ConstrainCursorHarder(DeviceIntPtr dev, ScreenPtr screen, int mode, int *x, int *y)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(screen);
if (randrp->panning)
return;
if (randrp->orig_ConstrainCursorHarder) {
screen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder;
screen->ConstrainCursorHarder(dev, screen, mode, x, y);
screen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder;
}
}
static void
xf86RandR14ProviderDestroy(ScreenPtr screen, RRProviderPtr provider)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
if (config->randr_provider == provider) {
if (config->randr_provider->offload_sink) {
DetachOffloadGPU(screen);
config->randr_provider->offload_sink = NULL;
RRSetChanged(screen);
}
if (config->randr_provider->output_source) {
xf86DetachOutputGPU(screen);
config->randr_provider->output_source = NULL;
RRSetChanged(screen);
}
if (screen->current_primary)
DetachUnboundGPU(screen);
}
config->randr_provider = NULL;
}
static void
xf86CrtcCheckReset(xf86CrtcPtr crtc) {
if (xf86CrtcInUse(crtc)) {
RRTransformPtr transform;
if (crtc->desiredTransformPresent)
transform = &crtc->desiredTransform;
else
transform = NULL;
xf86CrtcSetModeTransform(crtc, &crtc->desiredMode,
crtc->desiredRotation, transform,
crtc->desiredX, crtc->desiredY);
xf86_crtc_show_cursor(crtc);
}
}
void
xf86CrtcLeaseTerminated(RRLeasePtr lease)
{
int c;
int o;
ScrnInfoPtr scrn = xf86ScreenToScrn(lease->screen);
RRLeaseTerminated(lease);
/*
* Force a full mode set on any crtc in the expiring lease which
* was running before the lease started
*/
for (c = 0; c < lease->numCrtcs; c++) {
RRCrtcPtr randr_crtc = lease->crtcs[c];
xf86CrtcPtr crtc = randr_crtc->devPrivate;
xf86CrtcCheckReset(crtc);
}
/* Check to see if any leased output is using a crtc which
* was not reset in the above loop
*/
for (o = 0; o < lease->numOutputs; o++) {
RROutputPtr randr_output = lease->outputs[o];
xf86OutputPtr output = randr_output->devPrivate;
xf86CrtcPtr crtc = output->crtc;
if (crtc) {
for (c = 0; c < lease->numCrtcs; c++)
if (lease->crtcs[c] == crtc->randr_crtc)
break;
if (c != lease->numCrtcs)
continue;
xf86CrtcCheckReset(crtc);
}
}
/* Power off if necessary */
xf86DisableUnusedFunctions(scrn);
RRLeaseFree(lease);
}
static Bool
xf86CrtcSoleOutput(xf86CrtcPtr crtc, xf86OutputPtr output)
{
ScrnInfoPtr scrn = crtc->scrn;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
int o;
for (o = 0; o < config->num_output; o++) {
xf86OutputPtr other = config->output[o];
if (other != output && other->crtc == crtc)
return FALSE;
}
return TRUE;
}
void
xf86CrtcLeaseStarted(RRLeasePtr lease)
{
int c;
int o;
for (c = 0; c < lease->numCrtcs; c++) {
RRCrtcPtr randr_crtc = lease->crtcs[c];
xf86CrtcPtr crtc = randr_crtc->devPrivate;
if (crtc->enabled) {
/*
* Leave the primary plane enabled so we can
* flip without blanking the screen. Hide
* the cursor so it doesn't remain on the screen
* while the lease is active
*/
xf86_crtc_hide_cursor(crtc);
crtc->enabled = FALSE;
}
}
for (o = 0; o < lease->numOutputs; o++) {
RROutputPtr randr_output = lease->outputs[o];
xf86OutputPtr output = randr_output->devPrivate;
xf86CrtcPtr crtc = output->crtc;
if (crtc)
if (xf86CrtcSoleOutput(crtc, output))
crtc->enabled = FALSE;
}
}
static int
xf86RandR16CreateLease(ScreenPtr screen, RRLeasePtr randr_lease, int *fd)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
if (config->funcs->create_lease)
return config->funcs->create_lease(randr_lease, fd);
else
return BadMatch;
}
static void
xf86RandR16TerminateLease(ScreenPtr screen, RRLeasePtr randr_lease)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
if (config->funcs->terminate_lease)
config->funcs->terminate_lease(randr_lease);
}
static Bool
xf86RandR12Init12(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
rp->rrGetInfo = xf86RandR12GetInfo12;
rp->rrScreenSetSize = xf86RandR12ScreenSetSize;
rp->rrCrtcSet = xf86RandR12CrtcSet;
rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma;
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;
rp->rrProviderSetOutputSource = xf86RandR14ProviderSetOutputSource;
rp->rrProviderSetOffloadSink = xf86RandR14ProviderSetOffloadSink;
rp->rrProviderSetProperty = xf86RandR14ProviderSetProperty;
rp->rrProviderGetProperty = xf86RandR14ProviderGetProperty;
rp->rrCrtcSetScanoutPixmap = xf86CrtcSetScanoutPixmap;
rp->rrProviderDestroy = xf86RandR14ProviderDestroy;
rp->rrCreateLease = xf86RandR16CreateLease;
rp->rrTerminateLease = xf86RandR16TerminateLease;
pScrn->PointerMoved = xf86RandR12PointerMoved;
pScrn->ChangeGamma = xf86RandR12ChangeGamma;
randrp->orig_EnterVT = pScrn->EnterVT;
pScrn->EnterVT = xf86RandR12EnterVT;
randrp->panning = FALSE;
randrp->orig_ConstrainCursorHarder = pScreen->ConstrainCursorHarder;
pScreen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder;
if (!xf86RandR12CreateObjects12(pScreen))
return FALSE;
/*
* Configure output modes
*/
if (!xf86RandR12SetInfo12(pScreen))
return FALSE;
if (!xf86RandR12InitGamma(pScrn, 256))
return FALSE;
return TRUE;
}
#endif
Bool
xf86RandR12PreInit(ScrnInfoPtr pScrn)
{
return TRUE;
}