diff options
Diffstat (limited to 'xorg-server/hw/xfree86/modes')
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86Crtc.c | 6523 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86Crtc.h | 2047 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86Cursors.c | 1376 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86RandR12.c | 3831 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86Rotate.c | 1090 |
5 files changed, 7229 insertions, 7638 deletions
diff --git a/xorg-server/hw/xfree86/modes/xf86Crtc.c b/xorg-server/hw/xfree86/modes/xf86Crtc.c index d721b131f..86f038aa1 100644 --- a/xorg-server/hw/xfree86/modes/xf86Crtc.c +++ b/xorg-server/hw/xfree86/modes/xf86Crtc.c @@ -1,3281 +1,3242 @@ -/*
- * Copyright © 2006 Keith Packard
- * Copyright © 2008 Red Hat, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#else
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#endif
-
-#include <stddef.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "xf86.h"
-#include "xf86DDC.h"
-#include "xf86Crtc.h"
-#include "xf86Modes.h"
-#include "xf86Priv.h"
-#include "xf86RandR12.h"
-#include "X11/extensions/render.h"
-#include "X11/extensions/dpmsconst.h"
-#include "X11/Xatom.h"
-#include "picturestr.h"
-
-#include "xf86xv.h"
-
-#define NO_OUTPUT_DEFAULT_WIDTH 1024
-#define NO_OUTPUT_DEFAULT_HEIGHT 768
-/*
- * Initialize xf86CrtcConfig structure
- */
-
-int xf86CrtcConfigPrivateIndex = -1;
-
-void
-xf86CrtcConfigInit (ScrnInfoPtr scrn,
- const xf86CrtcConfigFuncsRec *funcs)
-{
- xf86CrtcConfigPtr config;
-
- if (xf86CrtcConfigPrivateIndex == -1)
- xf86CrtcConfigPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
- config = xnfcalloc (1, sizeof (xf86CrtcConfigRec));
-
- config->funcs = funcs;
-
- scrn->privates[xf86CrtcConfigPrivateIndex].ptr = config;
-}
-
-void
-xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
- int minWidth, int minHeight,
- int maxWidth, int maxHeight)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- config->minWidth = minWidth;
- config->minHeight = minHeight;
- config->maxWidth = maxWidth;
- config->maxHeight = maxHeight;
-}
-
-void
-xf86CrtcSetScanoutFormats(ScrnInfoPtr scrn,
- int num_formats,
- xf86CrtcScanoutFormat *formats)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- config->num_scanout_formats = num_formats;
- config->scanout_formats = formats;
-}
-
-/*
- * Crtc functions
- */
-xf86CrtcPtr
-xf86CrtcCreate (ScrnInfoPtr scrn,
- const xf86CrtcFuncsRec *funcs)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CrtcPtr crtc, *crtcs;
-
- crtc = calloc(sizeof (xf86CrtcRec), 1);
- if (!crtc)
- return NULL;
- crtc->version = XF86_CRTC_VERSION;
- crtc->scrn = scrn;
- crtc->funcs = funcs;
-#ifdef RANDR_12_INTERFACE
- crtc->randr_crtc = NULL;
-#endif
- crtc->rotation = RR_Rotate_0;
- crtc->desiredRotation = RR_Rotate_0;
- pixman_transform_init_identity (&crtc->crtc_to_framebuffer);
- pixman_f_transform_init_identity (&crtc->f_crtc_to_framebuffer);
- pixman_f_transform_init_identity (&crtc->f_framebuffer_to_crtc);
- pixman_f_transform_init_identity (&crtc->f_screen_to_crtc);
- pixman_f_transform_init_identity (&crtc->user_sprite_position_transform);
- pixman_f_transform_init_identity (&crtc->f_crtc_to_cursor);
- pixman_f_transform_init_identity (&crtc->user_sprite_image_transform);
- crtc->filter = NULL;
- crtc->params = NULL;
- crtc->nparams = 0;
- crtc->filter_width = 0;
- crtc->filter_height = 0;
- crtc->transform_in_use = FALSE;
- crtc->sprite_transform_in_use = FALSE;
- crtc->transformPresent = FALSE;
- crtc->desiredTransformPresent = FALSE;
- memset (&crtc->bounds, '\0', sizeof (crtc->bounds));
-
- /* Preallocate gamma at a sensible size. */
- crtc->gamma_size = 256;
- crtc->gamma_red = malloc(3 * crtc->gamma_size * sizeof (CARD16));
- if (!crtc->gamma_red) {
- free(crtc);
- return NULL;
- }
- crtc->gamma_green = crtc->gamma_red + crtc->gamma_size;
- crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size;
-
- if (xf86_config->crtc)
- crtcs = realloc(xf86_config->crtc,
- (xf86_config->num_crtc + 1) * sizeof (xf86CrtcPtr));
- else
- crtcs = malloc((xf86_config->num_crtc + 1) * sizeof (xf86CrtcPtr));
- if (!crtcs)
- {
- free(crtc);
- return NULL;
- }
- xf86_config->crtc = crtcs;
- xf86_config->crtc[xf86_config->num_crtc++] = crtc;
- return crtc;
-}
-
-void
-xf86CrtcDestroy (xf86CrtcPtr crtc)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
- int c;
-
- (*crtc->funcs->destroy) (crtc);
- for (c = 0; c < xf86_config->num_crtc; c++)
- if (xf86_config->crtc[c] == crtc)
- {
- memmove (&xf86_config->crtc[c],
- &xf86_config->crtc[c+1],
- ((xf86_config->num_crtc - (c + 1)) * sizeof(void*)));
- xf86_config->num_crtc--;
- break;
- }
- free(crtc->params);
- free(crtc->gamma_red);
- free(crtc);
-}
-
-
-/**
- * Return whether any outputs are connected to the specified pipe
- */
-
-Bool
-xf86CrtcInUse (xf86CrtcPtr crtc)
-{
- ScrnInfoPtr pScrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- int o;
-
- for (o = 0; o < xf86_config->num_output; o++)
- if (xf86_config->output[o]->crtc == crtc)
- return TRUE;
- return FALSE;
-}
-
-void
-xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen)
-{
- int subpixel_order = SubPixelUnknown;
- Bool has_none = FALSE;
- ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c, o;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- for (o = 0; o < xf86_config->num_output; o++)
- {
- xf86OutputPtr output = xf86_config->output[o];
-
- if (output->crtc == crtc)
- {
- switch (output->subpixel_order) {
- case SubPixelNone:
- has_none = TRUE;
- break;
- case SubPixelUnknown:
- break;
- default:
- subpixel_order = output->subpixel_order;
- break;
- }
- }
- if (subpixel_order != SubPixelUnknown)
- break;
- }
- if (subpixel_order != SubPixelUnknown)
- {
- static const int circle[4] = {
- SubPixelHorizontalRGB,
- SubPixelVerticalRGB,
- SubPixelHorizontalBGR,
- SubPixelVerticalBGR,
- };
- int rotate;
- int c;
- for (rotate = 0; rotate < 4; rotate++)
- if (crtc->rotation & (1 << rotate))
- break;
- for (c = 0; c < 4; c++)
- if (circle[c] == subpixel_order)
- break;
- c = (c + rotate) & 0x3;
- if ((crtc->rotation & RR_Reflect_X) && !(c & 1))
- c ^= 2;
- if ((crtc->rotation & RR_Reflect_Y) && (c & 1))
- c ^= 2;
- subpixel_order = circle[c];
- break;
- }
- }
- if (subpixel_order == SubPixelUnknown && has_none)
- subpixel_order = SubPixelNone;
- PictureSetSubpixelOrder (pScreen, subpixel_order);
-}
-
-/**
- * Sets the given video mode on the given crtc
- */
-Bool
-xf86CrtcSet(xf86CrtcPtr crtc, xf86CrtcSetRec *set)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int i;
- Bool ret = FALSE;
- Bool didLock = FALSE;
- DisplayModePtr adjusted_mode = NULL;
- DisplayModeRec saved_mode;
- int saved_x, saved_y;
- Rotation saved_rotation;
- RRTransformRec saved_transform;
- Bool saved_transform_present;
- PixmapPtr saved_scanout_pixmap;
-
- crtc->enabled = xf86CrtcInUse (crtc);
-
- /* We only hit this if someone explicitly sends a "disabled" modeset. */
- if (!crtc->enabled)
- {
- /* Check everything for stuff that should be off. */
- xf86DisableUnusedFunctions(scrn);
- return TRUE;
- }
-
- /* See if nothing has changed */
- if (!set->flags)
- return TRUE;
-
- saved_mode = crtc->mode;
- saved_x = crtc->x;
- saved_y = crtc->y;
- saved_rotation = crtc->rotation;
- saved_scanout_pixmap = crtc->scanoutPixmap;
- if (crtc->transformPresent) {
- RRTransformInit (&saved_transform);
- RRTransformCopy (&saved_transform, &crtc->transform);
- }
- saved_transform_present = crtc->transformPresent;
-
- /* Update crtc values up front so the driver can rely on them for mode
- * setting.
- */
- if (set->flags & XF86CrtcSetMode)
- crtc->mode = *set->mode;
- if (set->flags & XF86CrtcSetOrigin) {
- crtc->x = set->x;
- crtc->y = set->y;
- }
- if (set->flags & XF86CrtcSetRotation)
- crtc->rotation = set->rotation;
- if (set->flags & XF86CrtcSetScanoutPixmap)
- crtc->scanoutPixmap = set->scanout_pixmap;
-
- if (set->flags & XF86CrtcSetTransform) {
- if (set->transform) {
- RRTransformCopy (&crtc->transform, set->transform);
- crtc->transformPresent = TRUE;
- } else
- crtc->transformPresent = FALSE;
- }
-
- if (crtc->funcs->set) {
- ret = crtc->funcs->set(crtc, set->flags);
- goto done;
- }
-
- if (set->flags == XF86CrtcSetOrigin && crtc->funcs->set_origin) {
- ret = xf86CrtcRotate(crtc);
- if (ret)
- crtc->funcs->set_origin(crtc, crtc->x, crtc->y);
- goto done;
- }
-
- if (crtc->funcs->set_mode_major) {
- ret = crtc->funcs->set_mode_major(crtc, &crtc->mode,
- crtc->rotation,
- crtc->x, crtc->y);
- goto done;
- }
-
- adjusted_mode = xf86DuplicateMode(&crtc->mode);
-
- didLock = crtc->funcs->lock (crtc);
- /* Pass our mode to the outputs and the CRTC to give them a chance to
- * adjust it according to limitations or output properties, and also
- * a chance to reject the mode entirely.
- */
- for (i = 0; i < xf86_config->num_output; i++) {
- xf86OutputPtr output = xf86_config->output[i];
-
- if (output->crtc != crtc)
- continue;
-
- if (!output->funcs->mode_fixup(output, &crtc->mode, adjusted_mode)) {
- goto done;
- }
- }
-
- if (!crtc->funcs->mode_fixup(crtc, &crtc->mode, adjusted_mode)) {
- goto done;
- }
-
- if (!xf86CrtcRotate (crtc))
- goto done;
-
- /* Prepare the outputs and CRTCs before setting the mode. */
- for (i = 0; i < xf86_config->num_output; i++) {
- xf86OutputPtr output = xf86_config->output[i];
-
- if (output->crtc != crtc)
- continue;
-
- /* Disable the output as the first thing we do. */
- output->funcs->prepare(output);
- }
-
- crtc->funcs->prepare(crtc);
-
- /* Set up the DPLL and any output state that needs to adjust or depend
- * on the DPLL.
- */
- crtc->funcs->mode_set(crtc, &crtc->mode, adjusted_mode, crtc->x, crtc->y);
- for (i = 0; i < xf86_config->num_output; i++)
- {
- xf86OutputPtr output = xf86_config->output[i];
- if (output->crtc == crtc)
- output->funcs->mode_set(output, &crtc->mode, adjusted_mode);
- }
-
- /* Only upload when needed, to avoid unneeded delays. */
- if (!crtc->active && crtc->funcs->gamma_set)
- crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
- crtc->gamma_blue, crtc->gamma_size);
-
- /* Now, enable the clocks, plane, pipe, and outputs that we set up. */
- crtc->funcs->commit(crtc);
- for (i = 0; i < xf86_config->num_output; i++)
- {
- xf86OutputPtr output = xf86_config->output[i];
- if (output->crtc == crtc)
- output->funcs->commit(output);
- }
-
- ret = TRUE;
-
-done:
- if (ret) {
- crtc->active = TRUE;
- if (scrn->pScreen)
- xf86CrtcSetScreenSubpixelOrder (scrn->pScreen);
- if (scrn->ModeSet)
- scrn->ModeSet(scrn);
- } else {
- crtc->x = saved_x;
- crtc->y = saved_y;
- crtc->rotation = saved_rotation;
- crtc->mode = saved_mode;
- if (saved_transform_present)
- RRTransformCopy (&crtc->transform, &saved_transform);
- crtc->transformPresent = saved_transform_present;
- crtc->scanoutPixmap = saved_scanout_pixmap;
- }
-
- if (adjusted_mode) {
- free(adjusted_mode->name);
- free(adjusted_mode);
- }
-
- if (didLock)
- crtc->funcs->unlock (crtc);
-
- return ret;
-}
-
-/**
- * Pans the screen, does not change the mode
- */
-void
-xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y)
-{
- xf86CrtcSetRec set;
-
- if (x != crtc->x || y != crtc->y) {
- set.x = x;
- set.y = y;
- set.flags = XF86CrtcSetOrigin;
- (void) xf86CrtcSet(crtc, &set);
- }
-}
-
-/*
- * Output functions
- */
-
-extern XF86ConfigPtr xf86configptr;
-
-typedef enum {
- OPTION_PREFERRED_MODE,
- OPTION_POSITION,
- OPTION_BELOW,
- OPTION_RIGHT_OF,
- OPTION_ABOVE,
- OPTION_LEFT_OF,
- OPTION_ENABLE,
- OPTION_DISABLE,
- OPTION_MIN_CLOCK,
- OPTION_MAX_CLOCK,
- OPTION_IGNORE,
- OPTION_ROTATE,
- OPTION_PANNING,
- OPTION_PRIMARY,
- OPTION_DEFAULT_MODES,
-} OutputOpts;
-
-static OptionInfoRec xf86OutputOptions[] = {
- {OPTION_PREFERRED_MODE, "PreferredMode", OPTV_STRING, {0}, FALSE },
- {OPTION_POSITION, "Position", OPTV_STRING, {0}, FALSE },
- {OPTION_BELOW, "Below", OPTV_STRING, {0}, FALSE },
- {OPTION_RIGHT_OF, "RightOf", OPTV_STRING, {0}, FALSE },
- {OPTION_ABOVE, "Above", OPTV_STRING, {0}, FALSE },
- {OPTION_LEFT_OF, "LeftOf", OPTV_STRING, {0}, FALSE },
- {OPTION_ENABLE, "Enable", OPTV_BOOLEAN, {0}, FALSE },
- {OPTION_DISABLE, "Disable", OPTV_BOOLEAN, {0}, FALSE },
- {OPTION_MIN_CLOCK, "MinClock", OPTV_FREQ, {0}, FALSE },
- {OPTION_MAX_CLOCK, "MaxClock", OPTV_FREQ, {0}, FALSE },
- {OPTION_IGNORE, "Ignore", OPTV_BOOLEAN, {0}, FALSE },
- {OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE },
- {OPTION_PANNING, "Panning", OPTV_STRING, {0}, FALSE },
- {OPTION_PRIMARY, "Primary", OPTV_BOOLEAN, {0}, FALSE },
- {OPTION_DEFAULT_MODES, "DefaultModes", OPTV_BOOLEAN, {0}, FALSE },
- {-1, NULL, OPTV_NONE, {0}, FALSE },
-};
-
-enum {
- OPTION_MODEDEBUG,
-};
-
-static OptionInfoRec xf86DeviceOptions[] = {
- {OPTION_MODEDEBUG, "ModeDebug", OPTV_BOOLEAN, {0}, FALSE },
- {-1, NULL, OPTV_NONE, {0}, FALSE },
-};
-
-static void
-xf86OutputSetMonitor (xf86OutputPtr output)
-{
- char *option_name;
- char *monitor;
-
- if (!output->name)
- return;
-
- free(output->options);
-
- output->options = xnfalloc (sizeof (xf86OutputOptions));
- memcpy (output->options, xf86OutputOptions, sizeof (xf86OutputOptions));
-
- XNFasprintf(&option_name, "monitor-%s", output->name);
- monitor = xf86findOptionValue (output->scrn->options, option_name);
- if (!monitor)
- monitor = output->name;
- else
- xf86MarkOptionUsedByName (output->scrn->options, option_name);
- free(option_name);
- output->conf_monitor = xf86findMonitor (monitor,
- xf86configptr->conf_monitor_lst);
- /*
- * Find the monitor section of the screen and use that
- */
- if (!output->conf_monitor && output->use_screen_monitor)
- output->conf_monitor = xf86findMonitor (output->scrn->monitor->id,
- xf86configptr->conf_monitor_lst);
- if (output->conf_monitor)
- {
- xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
- "Output %s using monitor section %s\n",
- output->name, output->conf_monitor->mon_identifier);
- xf86ProcessOptions (output->scrn->scrnIndex,
- output->conf_monitor->mon_option_lst,
- output->options);
- }
- else
- xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
- "Output %s has no monitor section\n",
- output->name);
-}
-
-static Bool
-xf86OutputEnabled (xf86OutputPtr output, Bool strict)
-{
- Bool enable, disable;
-
- /* check to see if this output was enabled in the config file */
- if (xf86GetOptValBool (output->options, OPTION_ENABLE, &enable) && enable)
- {
- xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
- "Output %s enabled by config file\n", output->name);
- return TRUE;
- }
- /* or if this output was disabled in the config file */
- if (xf86GetOptValBool (output->options, OPTION_DISABLE, &disable) && disable)
- {
- xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
- "Output %s disabled by config file\n", output->name);
- return FALSE;
- }
-
- /* If not, try to only light up the ones we know are connected */
- if (strict) {
- enable = output->status == XF86OutputStatusConnected;
- }
- /* But if that fails, try to light up even outputs we're unsure of */
- else {
- enable = output->status != XF86OutputStatusDisconnected;
- }
-
- xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
- "Output %s %sconnected\n", output->name, enable ? "" : "dis");
- return enable;
-}
-
-static Bool
-xf86OutputIgnored (xf86OutputPtr output)
-{
- return xf86ReturnOptValBool (output->options, OPTION_IGNORE, FALSE);
-}
-
-static char *direction[4] = {
- "normal",
- "left",
- "inverted",
- "right"
-};
-
-static Rotation
-xf86OutputInitialRotation (xf86OutputPtr output)
-{
- char *rotate_name = xf86GetOptValString (output->options,
- OPTION_ROTATE);
- int i;
-
- if (!rotate_name) {
- if (output->initial_rotation)
- return output->initial_rotation;
- return RR_Rotate_0;
- }
-
- for (i = 0; i < 4; i++)
- if (xf86nameCompare (direction[i], rotate_name) == 0)
- return 1 << i;
- return RR_Rotate_0;
-}
-
-xf86OutputPtr
-xf86OutputCreate (ScrnInfoPtr scrn,
- const xf86OutputFuncsRec *funcs,
- const char *name)
-{
- xf86OutputPtr output, *outputs;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int len;
- Bool primary;
-
- if (name)
- len = strlen (name) + 1;
- else
- len = 0;
-
- output = calloc(sizeof (xf86OutputRec) + len, 1);
- if (!output)
- return NULL;
- output->scrn = scrn;
- output->funcs = funcs;
- if (name)
- {
- output->name = (char *) (output + 1);
- strcpy (output->name, name);
- }
- output->subpixel_order = SubPixelUnknown;
- /*
- * Use the old per-screen monitor section for the first output
- */
- output->use_screen_monitor = (xf86_config->num_output == 0);
-#ifdef RANDR_12_INTERFACE
- output->randr_output = NULL;
-#endif
- if (name)
- {
- xf86OutputSetMonitor (output);
- if (xf86OutputIgnored (output))
- {
- free(output);
- return FALSE;
- }
- }
-
-
- if (xf86_config->output)
- outputs = realloc(xf86_config->output,
- (xf86_config->num_output + 1) * sizeof (xf86OutputPtr));
- else
- outputs = malloc((xf86_config->num_output + 1) * sizeof (xf86OutputPtr));
- if (!outputs)
- {
- free(output);
- return NULL;
- }
-
- xf86_config->output = outputs;
-
- if (xf86GetOptValBool (output->options, OPTION_PRIMARY, &primary) && primary)
- {
- memmove(xf86_config->output + 1, xf86_config->output,
- xf86_config->num_output * sizeof (xf86OutputPtr));
- xf86_config->output[0] = output;
- }
- else
- {
- xf86_config->output[xf86_config->num_output] = output;
- }
-
- xf86_config->num_output++;
-
- return output;
-}
-
-Bool
-xf86OutputRename (xf86OutputPtr output, const char *name)
-{
- char *newname = strdup(name);
-
- if (!newname)
- return FALSE; /* so sorry... */
-
- if (output->name && output->name != (char *) (output + 1))
- free(output->name);
- output->name = newname;
- xf86OutputSetMonitor (output);
- if (xf86OutputIgnored (output))
- return FALSE;
- return TRUE;
-}
-
-void
-xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor)
-{
- if (use_screen_monitor != output->use_screen_monitor)
- {
- output->use_screen_monitor = use_screen_monitor;
- xf86OutputSetMonitor (output);
- }
-}
-
-void
-xf86OutputDestroy (xf86OutputPtr output)
-{
- ScrnInfoPtr scrn = output->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
-
- (*output->funcs->destroy) (output);
- while (output->probed_modes)
- xf86DeleteMode (&output->probed_modes, output->probed_modes);
- for (o = 0; o < xf86_config->num_output; o++)
- if (xf86_config->output[o] == output)
- {
- memmove (&xf86_config->output[o],
- &xf86_config->output[o+1],
- ((xf86_config->num_output - (o + 1)) * sizeof(void*)));
- xf86_config->num_output--;
- break;
- }
- if (output->name && output->name != (char *) (output + 1))
- free(output->name);
- free(output);
-}
-
-/*
- * Called during CreateScreenResources to hook up RandR
- */
-static Bool
-xf86CrtcCreateScreenResources (ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- screen->CreateScreenResources = config->CreateScreenResources;
-
- if (!(*screen->CreateScreenResources)(screen))
- return FALSE;
-
- if (!xf86RandR12CreateScreenResources (screen))
- return FALSE;
-
- return TRUE;
-}
-
-/*
- * Clean up config on server reset
- */
-static Bool
-xf86CrtcCloseScreen (int index, ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o, c;
-
- screen->CloseScreen = config->CloseScreen;
-
- xf86RotateCloseScreen (screen);
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
-
- output->randr_output = NULL;
- }
- for (c = 0; c < config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = config->crtc[c];
-
- crtc->randr_crtc = NULL;
- }
- xf86RandR12CloseScreen (screen);
-
- return screen->CloseScreen (index, screen);
-}
-
-/*
- * Called at ScreenInit time to set up
- */
-#ifdef RANDR_13_INTERFACE
-int
-#else
-Bool
-#endif
-xf86CrtcScreenInit (ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- /* Rotation */
- xf86DrvMsg(scrn->scrnIndex, X_INFO, "RandR 1.2 enabled, ignore the following RandR disabled message.\n");
- xf86DisableRandR(); /* Disable old RandR extension support */
- xf86RandR12Init (screen);
-
- /* support all rotations if every crtc has the shadow alloc funcs */
- for (c = 0; c < config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = config->crtc[c];
- if (!crtc->funcs->shadow_allocate || !crtc->funcs->shadow_create)
- break;
- }
- if (c == config->num_crtc)
- {
- xf86RandR12SetRotations (screen, RR_Rotate_0 | RR_Rotate_90 |
- RR_Rotate_180 | RR_Rotate_270 |
- RR_Reflect_X | RR_Reflect_Y);
- xf86RandR12SetTransformSupport (screen, TRUE);
- }
- else
- {
- xf86RandR12SetRotations (screen, RR_Rotate_0);
- xf86RandR12SetTransformSupport (screen, FALSE);
- }
-
- /* Wrap CreateScreenResources so we can initialize the RandR code */
- config->CreateScreenResources = screen->CreateScreenResources;
- screen->CreateScreenResources = xf86CrtcCreateScreenResources;
-
- config->CloseScreen = screen->CloseScreen;
- screen->CloseScreen = xf86CrtcCloseScreen;
-
-#ifdef XFreeXDGA
- _xf86_di_dga_init_internal(screen);
-#endif
-#ifdef RANDR_13_INTERFACE
- return RANDR_INTERFACE_VERSION;
-#else
- return TRUE;
-#endif
-}
-
-static DisplayModePtr
-xf86DefaultMode (xf86OutputPtr output, int width, int height)
-{
- DisplayModePtr target_mode = NULL;
- DisplayModePtr mode;
- int target_diff = 0;
- int target_preferred = 0;
- int mm_height;
-
- mm_height = output->mm_height;
- if (!mm_height)
- mm_height = (768 * 25.4) / DEFAULT_DPI;
- /*
- * Pick a mode closest to DEFAULT_DPI
- */
- for (mode = output->probed_modes; mode; mode = mode->next)
- {
- int dpi;
- int preferred = (((mode->type & M_T_PREFERRED) != 0) +
- ((mode->type & M_T_USERPREF) != 0));
- int diff;
-
- if (xf86ModeWidth (mode, output->initial_rotation) > width ||
- xf86ModeHeight (mode, output->initial_rotation) > height)
- continue;
-
- /* yes, use VDisplay here, not xf86ModeHeight */
- dpi = (mode->VDisplay * 254) / (mm_height * 10);
- diff = dpi - DEFAULT_DPI;
- diff = diff < 0 ? -diff : diff;
- if (target_mode == NULL || (preferred > target_preferred) ||
- (preferred == target_preferred && diff < target_diff))
- {
- target_mode = mode;
- target_diff = diff;
- target_preferred = preferred;
- }
- }
- return target_mode;
-}
-
-static DisplayModePtr
-xf86ClosestMode (xf86OutputPtr output,
- DisplayModePtr match, Rotation match_rotation,
- int width, int height)
-{
- DisplayModePtr target_mode = NULL;
- DisplayModePtr mode;
- int target_diff = 0;
-
- /*
- * Pick a mode closest to the specified mode
- */
- for (mode = output->probed_modes; mode; mode = mode->next)
- {
- int dx, dy;
- int diff;
-
- if (xf86ModeWidth (mode, output->initial_rotation) > width ||
- xf86ModeHeight (mode, output->initial_rotation) > height)
- continue;
-
- /* exact matches are preferred */
- if (output->initial_rotation == match_rotation &&
- xf86ModesEqual (mode, match))
- return mode;
-
- dx = xf86ModeWidth (match, match_rotation) - xf86ModeWidth (mode, output->initial_rotation);
- dy = xf86ModeHeight (match, match_rotation) - xf86ModeHeight (mode, output->initial_rotation);
- diff = dx * dx + dy * dy;
- if (target_mode == NULL || diff < target_diff)
- {
- target_mode = mode;
- target_diff = diff;
- }
- }
- return target_mode;
-}
-
-static DisplayModePtr
-xf86OutputHasPreferredMode (xf86OutputPtr output, int width, int height)
-{
- DisplayModePtr mode;
-
- for (mode = output->probed_modes; mode; mode = mode->next)
- {
- if (xf86ModeWidth (mode, output->initial_rotation) > width ||
- xf86ModeHeight (mode, output->initial_rotation) > height)
- continue;
-
- if (mode->type & M_T_PREFERRED)
- return mode;
- }
- return NULL;
-}
-
-static DisplayModePtr
-xf86OutputHasUserPreferredMode (xf86OutputPtr output)
-{
- DisplayModePtr mode, first = output->probed_modes;
-
- for (mode = first; mode && mode->next != first; mode = mode->next)
- if (mode->type & M_T_USERPREF)
- return mode;
-
- return NULL;
-}
-
-static int
-xf86PickCrtcs (ScrnInfoPtr scrn,
- xf86CrtcPtr *best_crtcs,
- DisplayModePtr *modes,
- int n,
- int width,
- int height)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int c, o;
- xf86OutputPtr output;
- xf86CrtcPtr crtc;
- xf86CrtcPtr *crtcs;
- xf86CrtcPtr best_crtc;
- int best_score;
- int score;
- int my_score;
-
- if (n == config->num_output)
- return 0;
- output = config->output[n];
-
- /*
- * Compute score with this output disabled
- */
- best_crtcs[n] = NULL;
- best_crtc = NULL;
- best_score = xf86PickCrtcs (scrn, best_crtcs, modes, n+1, width, height);
- if (modes[n] == NULL)
- return best_score;
-
- crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr));
- if (!crtcs)
- return best_score;
-
- my_score = 1;
- /* Score outputs that are known to be connected higher */
- if (output->status == XF86OutputStatusConnected)
- my_score++;
- /* Score outputs with preferred modes higher */
- if (xf86OutputHasPreferredMode (output, width, height))
- my_score++;
- /*
- * Select a crtc for this output and
- * then attempt to configure the remaining
- * outputs
- */
- for (c = 0; c < config->num_crtc; c++)
- {
- if ((output->possible_crtcs & (1 << c)) == 0)
- continue;
-
- crtc = config->crtc[c];
- /*
- * Check to see if some other output is
- * using this crtc
- */
- for (o = 0; o < n; o++)
- if (best_crtcs[o] == crtc)
- break;
- if (o < n)
- {
- /*
- * If the two outputs desire the same mode,
- * see if they can be cloned
- */
- if (xf86ModesEqual (modes[o], modes[n]) &&
- config->output[o]->initial_rotation == config->output[n]->initial_rotation &&
- config->output[o]->initial_x == config->output[n]->initial_x &&
- config->output[o]->initial_y == config->output[n]->initial_y)
- {
- if ((output->possible_clones & (1 << o)) == 0)
- continue; /* nope, try next CRTC */
- }
- else
- continue; /* different modes, can't clone */
- }
- crtcs[n] = crtc;
- memcpy (crtcs, best_crtcs, n * sizeof (xf86CrtcPtr));
- score = my_score + xf86PickCrtcs (scrn, crtcs, modes, n+1, width, height);
- if (score > best_score)
- {
- best_crtc = crtc;
- best_score = score;
- memcpy (best_crtcs, crtcs, config->num_output * sizeof (xf86CrtcPtr));
- }
- }
- free(crtcs);
- return best_score;
-}
-
-
-/*
- * Compute the virtual size necessary to place all of the available
- * crtcs in the specified configuration.
- *
- * canGrow indicates that the driver can make the screen larger than its initial
- * configuration. If FALSE, this function will enlarge the screen to include
- * the largest available mode.
- */
-
-static void
-xf86DefaultScreenLimits (ScrnInfoPtr scrn, int *widthp, int *heightp,
- Bool canGrow)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int width = 0, height = 0;
- int o;
- int c;
- int s;
-
- for (c = 0; c < config->num_crtc; c++)
- {
- int crtc_width = 0, crtc_height = 0;
- xf86CrtcPtr crtc = config->crtc[c];
-
- if (crtc->enabled)
- {
- crtc_width = crtc->desiredX + xf86ModeWidth (&crtc->desiredMode, crtc->desiredRotation);
- crtc_height = crtc->desiredY + xf86ModeHeight (&crtc->desiredMode, crtc->desiredRotation);
- }
- if (!canGrow) {
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
-
- for (s = 0; s < config->num_crtc; s++)
- if (output->possible_crtcs & (1 << s))
- {
- DisplayModePtr mode;
- for (mode = output->probed_modes; mode; mode = mode->next)
- {
- if (mode->HDisplay > crtc_width)
- crtc_width = mode->HDisplay;
- if (mode->VDisplay > crtc_width)
- crtc_width = mode->VDisplay;
- if (mode->VDisplay > crtc_height)
- crtc_height = mode->VDisplay;
- if (mode->HDisplay > crtc_height)
- crtc_height = mode->HDisplay;
- }
- }
- }
- }
- if (crtc_width > width)
- width = crtc_width;
- if (crtc_height > height)
- height = crtc_height;
- }
- if (config->maxWidth && width > config->maxWidth) width = config->maxWidth;
- if (config->maxHeight && height > config->maxHeight) height = config->maxHeight;
- if (config->minWidth && width < config->minWidth) width = config->minWidth;
- if (config->minHeight && height < config->minHeight) height = config->minHeight;
- *widthp = width;
- *heightp = height;
-}
-
-#define POSITION_UNSET -100000
-
-/*
- * check if the user configured any outputs at all
- * with either a position or a relative setting or a mode.
- */
-static Bool
-xf86UserConfiguredOutputs(ScrnInfoPtr scrn, DisplayModePtr *modes)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
- Bool user_conf = FALSE;
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- char *position;
- char *relative_name;
- OutputOpts relation;
- int r;
- static const OutputOpts relations[] = {
- OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF
- };
-
- position = xf86GetOptValString (output->options,
- OPTION_POSITION);
- if (position)
- user_conf = TRUE;
-
- relation = 0;
- relative_name = NULL;
- for (r = 0; r < 4; r++)
- {
- relation = relations[r];
- relative_name = xf86GetOptValString (output->options,
- relation);
- if (relative_name)
- break;
- }
- if (relative_name)
- user_conf = TRUE;
-
- modes[o] = xf86OutputHasUserPreferredMode(output);
- if (modes[o])
- user_conf = TRUE;
- }
-
- return user_conf;
-}
-
-static Bool
-xf86InitialOutputPositions (ScrnInfoPtr scrn, DisplayModePtr *modes)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
- int min_x, min_y;
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
-
- output->initial_x = output->initial_y = POSITION_UNSET;
- }
-
- /*
- * Loop until all outputs are set
- */
- for (;;)
- {
- Bool any_set = FALSE;
- Bool keep_going = FALSE;
-
- for (o = 0; o < config->num_output; o++)
- {
- static const OutputOpts relations[] = {
- OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF
- };
- xf86OutputPtr output = config->output[o];
- xf86OutputPtr relative;
- char *relative_name;
- char *position;
- OutputOpts relation;
- int r;
-
- if (output->initial_x != POSITION_UNSET)
- continue;
- position = xf86GetOptValString (output->options,
- OPTION_POSITION);
- /*
- * Absolute position wins
- */
- if (position)
- {
- int x, y;
- if (sscanf (position, "%d %d", &x, &y) == 2)
- {
- output->initial_x = x;
- output->initial_y = y;
- }
- else
- {
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Output %s position not of form \"x y\"\n",
- output->name);
- output->initial_x = output->initial_y = 0;
- }
- any_set = TRUE;
- continue;
- }
- /*
- * Next comes relative positions
- */
- relation = 0;
- relative_name = NULL;
- for (r = 0; r < 4; r++)
- {
- relation = relations[r];
- relative_name = xf86GetOptValString (output->options,
- relation);
- if (relative_name)
- break;
- }
- if (relative_name)
- {
- int or;
- relative = NULL;
- for (or = 0; or < config->num_output; or++)
- {
- xf86OutputPtr out_rel = config->output[or];
- XF86ConfMonitorPtr rel_mon = out_rel->conf_monitor;
-
- if (rel_mon)
- {
- if (xf86nameCompare (rel_mon->mon_identifier,
- relative_name) == 0)
- {
- relative = config->output[or];
- break;
- }
- }
- if (strcmp (out_rel->name, relative_name) == 0)
- {
- relative = config->output[or];
- break;
- }
- }
- if (!relative)
- {
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Cannot position output %s relative to unknown output %s\n",
- output->name, relative_name);
- output->initial_x = 0;
- output->initial_y = 0;
- any_set = TRUE;
- continue;
- }
- if (!modes[or])
- {
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Cannot position output %s relative to output %s without modes\n",
- output->name, relative_name);
- output->initial_x = 0;
- output->initial_y = 0;
- any_set = TRUE;
- continue;
- }
- if (relative->initial_x == POSITION_UNSET)
- {
- keep_going = TRUE;
- continue;
- }
- output->initial_x = relative->initial_x;
- output->initial_y = relative->initial_y;
- switch (relation) {
- case OPTION_BELOW:
- output->initial_y += xf86ModeHeight (modes[or], relative->initial_rotation);
- break;
- case OPTION_RIGHT_OF:
- output->initial_x += xf86ModeWidth (modes[or], relative->initial_rotation);
- break;
- case OPTION_ABOVE:
- if (modes[o])
- output->initial_y -= xf86ModeHeight (modes[o], output->initial_rotation);
- break;
- case OPTION_LEFT_OF:
- if (modes[o])
- output->initial_x -= xf86ModeWidth (modes[o], output->initial_rotation);
- break;
- default:
- break;
- }
- any_set = TRUE;
- continue;
- }
-
- /* Nothing set, just stick them at 0,0 */
- output->initial_x = 0;
- output->initial_y = 0;
- any_set = TRUE;
- }
- if (!keep_going)
- break;
- if (!any_set)
- {
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- if (output->initial_x == POSITION_UNSET)
- {
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Output position loop. Moving %s to 0,0\n",
- output->name);
- output->initial_x = output->initial_y = 0;
- break;
- }
- }
- }
- }
-
- /*
- * normalize positions
- */
- min_x = 1000000;
- min_y = 1000000;
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
-
- if (output->initial_x < min_x)
- min_x = output->initial_x;
- if (output->initial_y < min_y)
- min_y = output->initial_y;
- }
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
-
- output->initial_x -= min_x;
- output->initial_y -= min_y;
- }
- return TRUE;
-}
-
-static void
-xf86InitialPanning (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- char *panning = xf86GetOptValString (output->options, OPTION_PANNING);
- int width, height, left, top;
- int track_width, track_height, track_left, track_top;
- int brdr[4];
-
- memset (&output->initialTotalArea, 0, sizeof(BoxRec));
- memset (&output->initialTrackingArea, 0, sizeof(BoxRec));
- memset (output->initialBorder, 0, 4*sizeof(INT16));
-
- if (! panning)
- continue;
-
- switch (sscanf (panning, "%dx%d+%d+%d/%dx%d+%d+%d/%d/%d/%d/%d",
- &width, &height, &left, &top,
- &track_width, &track_height, &track_left, &track_top,
- &brdr[0], &brdr[1], &brdr[2], &brdr[3])) {
- case 12:
- output->initialBorder[0] = brdr[0];
- output->initialBorder[1] = brdr[1];
- output->initialBorder[2] = brdr[2];
- output->initialBorder[3] = brdr[3];
- /* fall through */
- case 8:
- output->initialTrackingArea.x1 = track_left;
- output->initialTrackingArea.y1 = track_top;
- output->initialTrackingArea.x2 = track_left + track_width;
- output->initialTrackingArea.y2 = track_top + track_height;
- /* fall through */
- case 4:
- output->initialTotalArea.x1 = left;
- output->initialTotalArea.y1 = top;
- /* fall through */
- case 2:
- output->initialTotalArea.x2 = output->initialTotalArea.x1 + width;
- output->initialTotalArea.y2 = output->initialTotalArea.y1 + height;
- break;
- default:
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Broken panning specification '%s' for output %s in config file\n",
- panning, output->name);
- }
- }
-}
-
-/** Return - 0 + if a should be earlier, same or later than b in list
- */
-static int
-xf86ModeCompare (DisplayModePtr a, DisplayModePtr b)
-{
- int diff;
-
- diff = ((b->type & M_T_PREFERRED) != 0) - ((a->type & M_T_PREFERRED) != 0);
- if (diff)
- return diff;
- diff = b->HDisplay * b->VDisplay - a->HDisplay * a->VDisplay;
- if (diff)
- return diff;
- diff = b->Clock - a->Clock;
- return diff;
-}
-
-/**
- * Insertion sort input in-place and return the resulting head
- */
-static DisplayModePtr
-xf86SortModes (DisplayModePtr input)
-{
- DisplayModePtr output = NULL, i, o, n, *op, prev;
-
- /* sort by preferred status and pixel area */
- while (input)
- {
- i = input;
- input = input->next;
- for (op = &output; (o = *op); op = &o->next)
- if (xf86ModeCompare (o, i) > 0)
- break;
- i->next = *op;
- *op = i;
- }
- /* prune identical modes */
- for (o = output; o && (n = o->next); o = n)
- {
- if (!strcmp (o->name, n->name) && xf86ModesEqual (o, n))
- {
- o->next = n->next;
- free(n->name);
- free(n);
- n = o;
- }
- }
- /* hook up backward links */
- prev = NULL;
- for (o = output; o; o = o->next)
- {
- o->prev = prev;
- prev = o;
- }
- return output;
-}
-
-static char *
-preferredMode(ScrnInfoPtr pScrn, xf86OutputPtr output)
-{
- char *preferred_mode = NULL;
-
- /* Check for a configured preference for a particular mode */
- preferred_mode = xf86GetOptValString (output->options,
- OPTION_PREFERRED_MODE);
- if (preferred_mode)
- return preferred_mode;
-
- if (pScrn->display->modes && *pScrn->display->modes)
- preferred_mode = *pScrn->display->modes;
-
- return preferred_mode;
-}
-
-static void
-GuessRangeFromModes(MonPtr mon, DisplayModePtr mode)
-{
- if (!mon || !mode)
- return;
-
- mon->nHsync = 1;
- mon->hsync[0].lo = 1024.0;
- mon->hsync[0].hi = 0.0;
-
- mon->nVrefresh = 1;
- mon->vrefresh[0].lo = 1024.0;
- mon->vrefresh[0].hi = 0.0;
-
- while (mode) {
- if (!mode->HSync)
- mode->HSync = ((float) mode->Clock ) / ((float) mode->HTotal);
-
- if (!mode->VRefresh)
- mode->VRefresh = (1000.0 * ((float) mode->Clock)) /
- ((float) (mode->HTotal * mode->VTotal));
-
- if (mode->HSync < mon->hsync[0].lo)
- mon->hsync[0].lo = mode->HSync;
-
- if (mode->HSync > mon->hsync[0].hi)
- mon->hsync[0].hi = mode->HSync;
-
- if (mode->VRefresh < mon->vrefresh[0].lo)
- mon->vrefresh[0].lo = mode->VRefresh;
-
- if (mode->VRefresh > mon->vrefresh[0].hi)
- mon->vrefresh[0].hi = mode->VRefresh;
-
- mode = mode->next;
- }
-
- /* stretch out the bottom to fit 640x480@60 */
- if (mon->hsync[0].lo > 31.0)
- mon->hsync[0].lo = 31.0;
- if (mon->vrefresh[0].lo > 58.0)
- mon->vrefresh[0].lo = 58.0;
-}
-
-enum det_monrec_source {
- sync_config, sync_edid, sync_default
-};
-
-struct det_monrec_parameter {
- MonRec *mon_rec;
- int *max_clock;
- Bool set_hsync;
- Bool set_vrefresh;
- enum det_monrec_source *sync_source;
-};
-
-static void handle_detailed_monrec(struct detailed_monitor_section *det_mon,
- void *data)
-{
- struct det_monrec_parameter *p;
- p = (struct det_monrec_parameter *)data;
-
- if (det_mon->type == DS_RANGES) {
- struct monitor_ranges *ranges = &det_mon->section.ranges;
- if (p->set_hsync && ranges->max_h) {
- p->mon_rec->hsync[p->mon_rec->nHsync].lo = ranges->min_h;
- p->mon_rec->hsync[p->mon_rec->nHsync].hi = ranges->max_h;
- p->mon_rec->nHsync++;
- if (*p->sync_source == sync_default)
- *p->sync_source = sync_edid;
- }
- if (p->set_vrefresh && ranges->max_v) {
- p->mon_rec->vrefresh[p->mon_rec->nVrefresh].lo = ranges->min_v;
- p->mon_rec->vrefresh[p->mon_rec->nVrefresh].hi = ranges->max_v;
- p->mon_rec->nVrefresh++;
- if (*p->sync_source == sync_default)
- *p->sync_source = sync_edid;
- }
- if (ranges->max_clock * 1000 > *p->max_clock)
- *p->max_clock = ranges->max_clock * 1000;
- }
-}
-
-void
-xf86ProbeOutputModes (ScrnInfoPtr scrn, int maxX, int maxY)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
-
- /* When canGrow was TRUE in the initial configuration we have to
- * compare against the maximum values so that we don't drop modes.
- * When canGrow was FALSE, the maximum values would have been clamped
- * anyway.
- */
- if (maxX == 0 || maxY == 0) {
- maxX = config->maxWidth;
- maxY = config->maxHeight;
- }
-
- /* Probe the list of modes for each output. */
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- DisplayModePtr mode;
- DisplayModePtr config_modes = NULL, output_modes, default_modes = NULL;
- char *preferred_mode;
- xf86MonPtr edid_monitor;
- XF86ConfMonitorPtr conf_monitor;
- MonRec mon_rec;
- int min_clock = 0;
- int max_clock = 0;
- double clock;
- Bool add_default_modes = xf86ReturnOptValBool(output->options, OPTION_DEFAULT_MODES, TRUE);
- Bool debug_modes = config->debug_modes ||
- xf86Initialising;
- enum det_monrec_source sync_source = sync_default;
-
- while (output->probed_modes != NULL)
- xf86DeleteMode(&output->probed_modes, output->probed_modes);
-
- /*
- * Check connection status
- */
- output->status = (*output->funcs->detect)(output);
-
- if (output->status == XF86OutputStatusDisconnected &&
- !xf86ReturnOptValBool(output->options, OPTION_ENABLE, FALSE))
- {
- xf86OutputSetEDID (output, NULL);
- continue;
- }
-
- memset (&mon_rec, '\0', sizeof (mon_rec));
-
- conf_monitor = output->conf_monitor;
-
- if (conf_monitor)
- {
- int i;
-
- for (i = 0; i < conf_monitor->mon_n_hsync; i++)
- {
- mon_rec.hsync[mon_rec.nHsync].lo = conf_monitor->mon_hsync[i].lo;
- mon_rec.hsync[mon_rec.nHsync].hi = conf_monitor->mon_hsync[i].hi;
- mon_rec.nHsync++;
- sync_source = sync_config;
- }
- for (i = 0; i < conf_monitor->mon_n_vrefresh; i++)
- {
- mon_rec.vrefresh[mon_rec.nVrefresh].lo = conf_monitor->mon_vrefresh[i].lo;
- mon_rec.vrefresh[mon_rec.nVrefresh].hi = conf_monitor->mon_vrefresh[i].hi;
- mon_rec.nVrefresh++;
- sync_source = sync_config;
- }
- config_modes = xf86GetMonitorModes (scrn, conf_monitor);
- }
-
- output_modes = (*output->funcs->get_modes) (output);
-
- edid_monitor = output->MonInfo;
-
- if (edid_monitor)
- {
- struct det_monrec_parameter p;
- struct disp_features *features = &edid_monitor->features;
-
- /* if display is not continuous-frequency, don't add default modes */
- if (!GTF_SUPPORTED(features->msc))
- add_default_modes = FALSE;
-
- p.mon_rec = &mon_rec;
- p.max_clock = &max_clock;
- p.set_hsync = mon_rec.nHsync == 0;
- p.set_vrefresh = mon_rec.nVrefresh == 0;
- p.sync_source = &sync_source;
-
- xf86ForEachDetailedBlock(edid_monitor,
- handle_detailed_monrec,
- &p);
- }
-
- if (xf86GetOptValFreq (output->options, OPTION_MIN_CLOCK,
- OPTUNITS_KHZ, &clock))
- min_clock = (int) clock;
- if (xf86GetOptValFreq (output->options, OPTION_MAX_CLOCK,
- OPTUNITS_KHZ, &clock))
- max_clock = (int) clock;
-
- /* If we still don't have a sync range, guess wildly */
- if (!mon_rec.nHsync || !mon_rec.nVrefresh)
- GuessRangeFromModes(&mon_rec, output_modes);
-
- /*
- * These limits will end up setting a 1024x768@60Hz mode by default,
- * which seems like a fairly good mode to use when nothing else is
- * specified
- */
- if (mon_rec.nHsync == 0)
- {
- mon_rec.hsync[0].lo = 31.0;
- mon_rec.hsync[0].hi = 55.0;
- mon_rec.nHsync = 1;
- }
- if (mon_rec.nVrefresh == 0)
- {
- mon_rec.vrefresh[0].lo = 58.0;
- mon_rec.vrefresh[0].hi = 62.0;
- mon_rec.nVrefresh = 1;
- }
-
- if (add_default_modes)
- default_modes = xf86GetDefaultModes ();
-
- /*
- * If this is not an RB monitor, remove RB modes from the default
- * pool. RB modes from the config or the monitor itself are fine.
- */
- if (!mon_rec.reducedblanking)
- xf86ValidateModesReducedBlanking (scrn, default_modes);
-
- if (sync_source == sync_config)
- {
- /*
- * Check output and config modes against sync range from config file
- */
- xf86ValidateModesSync (scrn, output_modes, &mon_rec);
- xf86ValidateModesSync (scrn, config_modes, &mon_rec);
- }
- /*
- * Check default modes against sync range
- */
- xf86ValidateModesSync (scrn, default_modes, &mon_rec);
- /*
- * Check default modes against monitor max clock
- */
- if (max_clock) {
- xf86ValidateModesClocks(scrn, default_modes,
- &min_clock, &max_clock, 1);
- xf86ValidateModesClocks(scrn, output_modes,
- &min_clock, &max_clock, 1);
- }
-
- output->probed_modes = NULL;
- output->probed_modes = xf86ModesAdd (output->probed_modes, config_modes);
- output->probed_modes = xf86ModesAdd (output->probed_modes, output_modes);
- output->probed_modes = xf86ModesAdd (output->probed_modes, default_modes);
-
- /*
- * Check all modes against max size, interlace, and doublescan
- */
- if (maxX && maxY)
- xf86ValidateModesSize (scrn, output->probed_modes,
- maxX, maxY, 0);
-
- {
- int flags = (output->interlaceAllowed ? V_INTERLACE : 0) |
- (output->doubleScanAllowed ? V_DBLSCAN : 0);
- xf86ValidateModesFlags (scrn, output->probed_modes, flags);
- }
-
- /*
- * Check all modes against output
- */
- for (mode = output->probed_modes; mode != NULL; mode = mode->next)
- if (mode->status == MODE_OK)
- mode->status = (*output->funcs->mode_valid)(output, mode);
-
- xf86PruneInvalidModes(scrn, &output->probed_modes, debug_modes);
-
- output->probed_modes = xf86SortModes (output->probed_modes);
-
- /* Check for a configured preference for a particular mode */
- preferred_mode = preferredMode(scrn, output);
-
- if (preferred_mode)
- {
- for (mode = output->probed_modes; mode; mode = mode->next)
- {
- if (!strcmp (preferred_mode, mode->name))
- {
- if (mode != output->probed_modes)
- {
- if (mode->prev)
- mode->prev->next = mode->next;
- if (mode->next)
- mode->next->prev = mode->prev;
- mode->next = output->probed_modes;
- output->probed_modes->prev = mode;
- mode->prev = NULL;
- output->probed_modes = mode;
- }
- mode->type |= (M_T_PREFERRED|M_T_USERPREF);
- break;
- }
- }
- }
-
- output->initial_rotation = xf86OutputInitialRotation (output);
-
- if (debug_modes) {
- if (output->probed_modes != NULL) {
- xf86DrvMsg(scrn->scrnIndex, X_INFO,
- "Printing probed modes for output %s\n",
- output->name);
- } else {
- xf86DrvMsg(scrn->scrnIndex, X_INFO,
- "No remaining probed modes for output %s\n",
- output->name);
- }
- }
- for (mode = output->probed_modes; mode != NULL; mode = mode->next)
- {
- /* The code to choose the best mode per pipe later on will require
- * VRefresh to be set.
- */
- mode->VRefresh = xf86ModeVRefresh(mode);
- xf86SetModeCrtc(mode, INTERLACE_HALVE_V);
-
- if (debug_modes)
- xf86PrintModeline(scrn->scrnIndex, mode);
- }
- }
-}
-
-
-/**
- * Copy one of the output mode lists to the ScrnInfo record
- */
-
-/* XXX where does this function belong? Here? */
-void
-xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr scrn, int *x, int *y);
-
-static DisplayModePtr
-biggestMode(DisplayModePtr a, DisplayModePtr b)
-{
- int A, B;
-
- if (!a)
- return b;
- if (!b)
- return a;
-
- A = a->HDisplay * a->VDisplay;
- B = b->HDisplay * b->VDisplay;
-
- if (A > B)
- return a;
-
- return b;
-}
-
-static xf86OutputPtr
-SetCompatOutput(xf86CrtcConfigPtr config)
-{
- xf86OutputPtr output = NULL, test = NULL;
- DisplayModePtr maxmode = NULL, testmode, mode;
- int o, compat = -1, count, mincount = 0;
-
- /* Look for one that's definitely connected */
- for (o = 0; o < config->num_output; o++)
- {
- test = config->output[o];
- if (!test->crtc)
- continue;
- if (test->status != XF86OutputStatusConnected)
- continue;
- if (!test->probed_modes)
- continue;
-
- testmode = mode = test->probed_modes;
- for (count = 0; mode; mode = mode->next, count++)
- testmode = biggestMode(testmode, mode);
-
- if (!output) {
- output = test;
- compat = o;
- maxmode = testmode;
- mincount = count;
- } else if (maxmode == biggestMode(maxmode, testmode)) {
- output = test;
- compat = o;
- maxmode = testmode;
- mincount = count;
- } else if ((maxmode->HDisplay == testmode->HDisplay) &&
- (maxmode->VDisplay == testmode->VDisplay) &&
- count <= mincount) {
- output = test;
- compat = o;
- maxmode = testmode;
- mincount = count;
- }
- }
-
- /* If we didn't find one, take anything we can get */
- if (!output)
- {
- for (o = 0; o < config->num_output; o++)
- {
- test = config->output[o];
- if (!test->crtc)
- continue;
- if (!test->probed_modes)
- continue;
-
- if (!output) {
- output = test;
- compat = o;
- } else if (test->probed_modes->HDisplay < output->probed_modes->HDisplay) {
- output = test;
- compat = o;
- }
- }
- }
-
- if (compat >= 0) {
- config->compat_output = compat;
- } else {
- /* Don't change the compat output when no valid outputs found */
- output = config->output[config->compat_output];
- }
-
- return output;
-}
-
-void
-xf86SetScrnInfoModes (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86OutputPtr output;
- xf86CrtcPtr crtc;
- DisplayModePtr last, mode = NULL;
-
- output = SetCompatOutput(config);
-
- if (!output)
- return; /* punt */
-
- crtc = output->crtc;
-
- /* Clear any existing modes from scrn->modes */
- while (scrn->modes != NULL)
- xf86DeleteMode(&scrn->modes, scrn->modes);
-
- /* Set scrn->modes to the mode list for the 'compat' output */
- scrn->modes = xf86DuplicateModes(scrn, output->probed_modes);
-
- if (crtc) {
- for (mode = scrn->modes; mode; mode = mode->next)
- if (xf86ModesEqual (mode, &crtc->desiredMode))
- break;
- }
-
- if (scrn->modes != NULL) {
- /* For some reason, scrn->modes is circular, unlike the other mode
- * lists. How great is that?
- */
- for (last = scrn->modes; last && last->next; last = last->next)
- ;
- last->next = scrn->modes;
- scrn->modes->prev = last;
- if (mode) {
- while (scrn->modes != mode)
- scrn->modes = scrn->modes->next;
- }
- }
- scrn->currentMode = scrn->modes;
-#ifdef XFreeXDGA
- if (scrn->pScreen)
- _xf86_di_dga_reinit_internal(scrn->pScreen);
-#endif
-}
-
-static Bool
-xf86CollectEnabledOutputs(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
- Bool *enabled)
-{
- Bool any_enabled = FALSE;
- int o;
-
- for (o = 0; o < config->num_output; o++)
- any_enabled |= enabled[o] = xf86OutputEnabled(config->output[o], TRUE);
-
- if (!any_enabled) {
- xf86DrvMsg(scrn->scrnIndex, X_WARNING,
- "No outputs definitely connected, trying again...\n");
-
- for (o = 0; o < config->num_output; o++)
- any_enabled |= enabled[o] = xf86OutputEnabled(config->output[o], FALSE);
- }
-
- return any_enabled;
-}
-
-static Bool
-nextEnabledOutput(xf86CrtcConfigPtr config, Bool *enabled, int *index)
-{
- int o = *index;
-
- for (o++; o < config->num_output; o++) {
- if (enabled[o]) {
- *index = o;
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-static Bool
-aspectMatch(float a, float b)
-{
- return fabs(1 - (a / b)) < 0.05;
-}
-
-static DisplayModePtr
-nextAspectMode(xf86OutputPtr o, DisplayModePtr last, float aspect)
-{
- DisplayModePtr m = NULL;
-
- if (!o)
- return NULL;
-
- if (!last)
- m = o->probed_modes;
- else
- m = last->next;
-
- for (; m; m = m->next)
- if (aspectMatch(aspect, (float)m->HDisplay / (float)m->VDisplay))
- return m;
-
- return NULL;
-}
-
-static DisplayModePtr
-bestModeForAspect(xf86CrtcConfigPtr config, Bool *enabled, float aspect)
-{
- int o = -1, p;
- DisplayModePtr mode = NULL, test = NULL, match = NULL;
-
- if (!nextEnabledOutput(config, enabled, &o))
- return NULL;
- while ((mode = nextAspectMode(config->output[o], mode, aspect))) {
- test = mode;
- for (p = o; nextEnabledOutput(config, enabled, &p); ) {
- test = xf86OutputFindClosestMode(config->output[p], mode);
- if (!test)
- break;
- if (test->HDisplay != mode->HDisplay ||
- test->VDisplay != mode->VDisplay) {
- test = NULL;
- break;
- }
- }
-
- /* if we didn't match it on all outputs, try the next one */
- if (!test)
- continue;
-
- /* if it's bigger than the last one, save it */
- if (!match || (test->HDisplay > match->HDisplay))
- match = test;
- }
-
- /* return the biggest one found */
- return match;
-}
-
-static Bool
-xf86TargetPreferred(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
- DisplayModePtr *modes, Bool *enabled,
- int width, int height)
-{
- int o, p;
- int max_pref_width = 0, max_pref_height = 0;
- DisplayModePtr *preferred, *preferred_match;
- Bool ret = FALSE;
-
- preferred = xnfcalloc(config->num_output, sizeof(DisplayModePtr));
- preferred_match = xnfcalloc(config->num_output, sizeof(DisplayModePtr));
-
- /* Check if the preferred mode is available on all outputs */
- for (p = -1; nextEnabledOutput(config, enabled, &p); ) {
- Rotation r = config->output[p]->initial_rotation;
- DisplayModePtr mode;
- if ((preferred[p] = xf86OutputHasPreferredMode(config->output[p],
- width, height))) {
- int pref_width = xf86ModeWidth(preferred[p], r);
- int pref_height = xf86ModeHeight(preferred[p], r);
- Bool all_match = TRUE;
-
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- Bool match = FALSE;
- xf86OutputPtr output = config->output[o];
- if (o == p)
- continue;
-
- for (mode = output->probed_modes; mode; mode = mode->next) {
- Rotation r = output->initial_rotation;
- if (xf86ModeWidth(mode, r) == pref_width &&
- xf86ModeHeight(mode, r) == pref_height) {
- preferred[o] = mode;
- match = TRUE;
- }
- }
-
- all_match &= match;
- }
-
- if (all_match &&
- (pref_width*pref_height > max_pref_width*max_pref_height)) {
- for (o = -1; nextEnabledOutput(config, enabled, &o); )
- preferred_match[o] = preferred[o];
- max_pref_width = pref_width;
- max_pref_height = pref_height;
- ret = TRUE;
- }
- }
- }
-
- /*
- * If there's no preferred mode, but only one monitor, pick the
- * biggest mode for its aspect ratio, assuming one exists.
- */
- if (!ret) do {
- int i = 0;
- float aspect = 0.0;
-
- /* count the number of enabled outputs */
- for (i = 0, p = -1; nextEnabledOutput(config, enabled, &p); i++) ;
-
- if (i != 1)
- break;
-
- p = -1;
- nextEnabledOutput(config, enabled, &p);
- if (config->output[p]->mm_height)
- aspect = (float)config->output[p]->mm_width /
- (float)config->output[p]->mm_height;
-
- if (aspect)
- preferred_match[p] = bestModeForAspect(config, enabled, aspect);
-
- if (preferred_match[p])
- ret = TRUE;
-
- } while (0);
-
- if (ret) {
- /* oh good, there is a match. stash the selected modes and return. */
- memcpy(modes, preferred_match,
- config->num_output * sizeof(DisplayModePtr));
- }
-
- free(preferred);
- free(preferred_match);
- return ret;
-}
-
-static Bool
-xf86TargetAspect(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
- DisplayModePtr *modes, Bool *enabled,
- int width, int height)
-{
- int o;
- float aspect = 0.0, *aspects;
- xf86OutputPtr output;
- Bool ret = FALSE;
- DisplayModePtr guess = NULL, aspect_guess = NULL, base_guess = NULL;
-
- aspects = xnfcalloc(config->num_output, sizeof(float));
-
- /* collect the aspect ratios */
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- output = config->output[o];
- if (output->mm_height)
- aspects[o] = (float)output->mm_width / (float)output->mm_height;
- else
- aspects[o] = 4.0 / 3.0;
- }
-
- /* check that they're all the same */
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- output = config->output[o];
- if (!aspect) {
- aspect = aspects[o];
- } else if (!aspectMatch(aspect, aspects[o])) {
- goto no_aspect_match;
- }
- }
-
- /* if they're all 4:3, just skip ahead and save effort */
- if (!aspectMatch(aspect, 4.0/3.0))
- aspect_guess = bestModeForAspect(config, enabled, aspect);
-
-no_aspect_match:
- base_guess = bestModeForAspect(config, enabled, 4.0/3.0);
-
- guess = biggestMode(base_guess, aspect_guess);
-
- if (!guess)
- goto out;
-
- /* found a mode that works everywhere, now apply it */
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- modes[o] = xf86OutputFindClosestMode(config->output[o], guess);
- }
- ret = TRUE;
-
-out:
- free(aspects);
- return ret;
-}
-
-static Bool
-xf86TargetFallback(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
- DisplayModePtr *modes, Bool *enabled,
- int width, int height)
-{
- DisplayModePtr target_mode = NULL;
- Rotation target_rotation = RR_Rotate_0;
- DisplayModePtr default_mode;
- int default_preferred, target_preferred = 0, o;
-
- /* User preferred > preferred > other modes */
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- default_mode = xf86DefaultMode (config->output[o], width, height);
- if (!default_mode)
- continue;
-
- default_preferred = (((default_mode->type & M_T_PREFERRED) != 0) +
- ((default_mode->type & M_T_USERPREF) != 0));
-
- if (default_preferred > target_preferred || !target_mode) {
- target_mode = default_mode;
- target_preferred = default_preferred;
- target_rotation = config->output[o]->initial_rotation;
- config->compat_output = o;
- }
- }
-
- if (target_mode)
- modes[config->compat_output] = target_mode;
-
- /* Fill in other output modes */
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- if (!modes[o])
- modes[o] = xf86ClosestMode(config->output[o], target_mode,
- target_rotation, width, height);
- }
-
- return target_mode != NULL;
-}
-
-static Bool
-xf86TargetUserpref(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
- DisplayModePtr *modes, Bool *enabled,
- int width, int height)
-{
- int o;
-
- if (xf86UserConfiguredOutputs(scrn, modes))
- return xf86TargetFallback(scrn, config, modes, enabled, width, height);
-
- for (o = -1; nextEnabledOutput(config, enabled, &o); )
- if (xf86OutputHasUserPreferredMode(config->output[o]))
- return
- xf86TargetFallback(scrn, config, modes, enabled, width, height);
-
- return FALSE;
-}
-
-static Bool
-xf86CrtcSetInitialGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green,
- float gamma_blue)
-{
- int i, size = 256;
- CARD16 *red, *green, *blue;
-
- red = malloc(3 * size * sizeof(CARD16));
- green = red + size;
- blue = green + size;
-
- /* Only cause warning if user wanted gamma to be set. */
- if (!crtc->funcs->gamma_set && (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0)) {
- free(red);
- return FALSE;
- } else if (!crtc->funcs->gamma_set) {
- free(red);
- return TRUE;
- }
-
- /* At this early stage none of the randr-interface stuff is up.
- * So take the default gamma size for lack of something better.
- */
- for (i = 0; i < size; i++) {
- if (gamma_red == 1.0)
- red[i] = i << 8;
- else
- red[i] = (CARD16)(pow((double)i/(double)(size - 1),
- 1. / (double)gamma_red) * (double)(size - 1) * 256);
-
- if (gamma_green == 1.0)
- green[i] = i << 8;
- else
- green[i] = (CARD16)(pow((double)i/(double)(size - 1),
- 1. / (double)gamma_green) * (double)(size - 1) * 256);
-
- if (gamma_blue == 1.0)
- blue[i] = i << 8;
- else
- blue[i] = (CARD16)(pow((double)i/(double)(size - 1),
- 1. / (double)gamma_blue) * (double)(size - 1) * 256);
- }
-
- /* Default size is 256, so anything else is failure. */
- if (size != crtc->gamma_size) {
- free(red);
- return FALSE;
- }
-
- crtc->gamma_size = size;
- memcpy (crtc->gamma_red, red, crtc->gamma_size * sizeof (CARD16));
- memcpy (crtc->gamma_green, green, crtc->gamma_size * sizeof (CARD16));
- memcpy (crtc->gamma_blue, blue, crtc->gamma_size * sizeof (CARD16));
-
- /* Do not set gamma now, delay until the crtc is activated. */
-
- free(red);
-
- return TRUE;
-}
-
-static Bool
-xf86OutputSetInitialGamma(xf86OutputPtr output)
-{
- XF86ConfMonitorPtr mon = output->conf_monitor;
- float gamma_red = 1.0, gamma_green = 1.0, gamma_blue = 1.0;
-
- if (!mon)
- return TRUE;
-
- if (!output->crtc)
- return FALSE;
-
- /* 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;
-
- /* This avoids setting gamma 1.0 in case another cloned output on this crtc has a specific gamma. */
- if (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0) {
- xf86DrvMsg(output->scrn->scrnIndex, X_INFO, "Output %s wants gamma correction (%.1f, %.1f, %.1f)\n", output->name, gamma_red, gamma_green, gamma_blue);
- return xf86CrtcSetInitialGamma(output->crtc, gamma_red, gamma_green, gamma_blue);
- }else
- return TRUE;
-}
-
-/**
- * Construct default screen configuration
- *
- * Given auto-detected (and, eventually, configured) values,
- * construct a usable configuration for the system
- *
- * canGrow indicates that the driver can resize the screen to larger than its
- * initially configured size via the config->funcs->resize hook. If TRUE, this
- * function will set virtualX and virtualY to match the initial configuration
- * and leave config->max{Width,Height} alone. If FALSE, it will bloat
- * virtual[XY] to include the largest modes and set config->max{Width,Height}
- * accordingly.
- */
-
-Bool
-xf86InitialConfiguration (ScrnInfoPtr scrn, Bool canGrow)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o, c;
- xf86CrtcPtr *crtcs;
- DisplayModePtr *modes;
- Bool *enabled;
- int width, height;
- int i = scrn->scrnIndex;
- Bool have_outputs = TRUE;
- Bool ret;
-
- /* Set up the device options */
- config->options = xnfalloc (sizeof (xf86DeviceOptions));
- memcpy (config->options, xf86DeviceOptions, sizeof (xf86DeviceOptions));
- xf86ProcessOptions (scrn->scrnIndex,
- scrn->options,
- config->options);
- config->debug_modes = xf86ReturnOptValBool (config->options,
- OPTION_MODEDEBUG, FALSE);
-
- if (scrn->display->virtualX)
- width = scrn->display->virtualX;
- else
- width = config->maxWidth;
- if (scrn->display->virtualY)
- height = scrn->display->virtualY;
- else
- height = config->maxHeight;
-
- xf86ProbeOutputModes (scrn, width, height);
-
- crtcs = xnfcalloc (config->num_output, sizeof (xf86CrtcPtr));
- modes = xnfcalloc (config->num_output, sizeof (DisplayModePtr));
- enabled = xnfcalloc (config->num_output, sizeof (Bool));
-
- ret = xf86CollectEnabledOutputs(scrn, config, enabled);
- if (ret == FALSE && canGrow) {
- xf86DrvMsg(i, X_WARNING, "Unable to find connected outputs - setting %dx%d initial framebuffer\n",
- NO_OUTPUT_DEFAULT_WIDTH, NO_OUTPUT_DEFAULT_HEIGHT);
- have_outputs = FALSE;
- } else {
- if (xf86TargetUserpref(scrn, config, modes, enabled, width, height))
- xf86DrvMsg(i, X_INFO, "Using user preference for initial modes\n");
- else if (xf86TargetPreferred(scrn, config, modes, enabled, width, height))
- xf86DrvMsg(i, X_INFO, "Using exact sizes for initial modes\n");
- else if (xf86TargetAspect(scrn, config, modes, enabled, width, height))
- xf86DrvMsg(i, X_INFO, "Using fuzzy aspect match for initial modes\n");
- else if (xf86TargetFallback(scrn, config, modes, enabled, width, height))
- xf86DrvMsg(i, X_INFO, "Using sloppy heuristic for initial modes\n");
- else
- xf86DrvMsg(i, X_WARNING, "Unable to find initial modes\n");
- }
-
- for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
- if (!modes[o])
- xf86DrvMsg (scrn->scrnIndex, X_ERROR,
- "Output %s enabled but has no modes\n",
- config->output[o]->name);
- else
- xf86DrvMsg (scrn->scrnIndex, X_INFO,
- "Output %s using initial mode %s\n",
- config->output[o]->name, modes[o]->name);
- }
-
- /*
- * Set the position of each output
- */
- if (!xf86InitialOutputPositions (scrn, modes))
- {
- free(crtcs);
- free(modes);
- return FALSE;
- }
-
- /*
- * Set initial panning of each output
- */
- xf86InitialPanning (scrn);
-
- /*
- * Assign CRTCs to fit output configuration
- */
- if (have_outputs && !xf86PickCrtcs (scrn, crtcs, modes, 0, width, height))
- {
- free(crtcs);
- free(modes);
- return FALSE;
- }
-
- /* XXX override xf86 common frame computation code */
-
- scrn->display->frameX0 = 0;
- scrn->display->frameY0 = 0;
-
- for (c = 0; c < config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = config->crtc[c];
-
- crtc->enabled = FALSE;
- memset (&crtc->desiredMode, '\0', sizeof (crtc->desiredMode));
- /* Set default gamma for all crtc's. */
- /* This is done to avoid problems later on with cloned outputs. */
- xf86CrtcSetInitialGamma(crtc, 1.0, 1.0, 1.0);
- }
-
- if (xf86_crtc_supports_gamma(scrn))
- xf86DrvMsg(scrn->scrnIndex, X_INFO, "Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.\n");
-
- /*
- * Set initial configuration
- */
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- DisplayModePtr mode = modes[o];
- xf86CrtcPtr crtc = crtcs[o];
-
- if (mode && crtc)
- {
- crtc->desiredMode = *mode;
- crtc->desiredRotation = output->initial_rotation;
- crtc->desiredX = output->initial_x;
- crtc->desiredY = output->initial_y;
- crtc->desiredTransformPresent = FALSE;
- crtc->enabled = TRUE;
- memcpy (&crtc->panningTotalArea, &output->initialTotalArea, sizeof(BoxRec));
- memcpy (&crtc->panningTrackingArea, &output->initialTrackingArea, sizeof(BoxRec));
- memcpy (crtc->panningBorder, output->initialBorder, 4*sizeof(INT16));
- output->crtc = crtc;
- if (!xf86OutputSetInitialGamma(output))
- xf86DrvMsg (scrn->scrnIndex, X_WARNING, "Initial gamma correction for output %s: failed.\n", output->name);
- } else {
- output->crtc = NULL;
- }
- }
-
- if (scrn->display->virtualX == 0)
- {
- /*
- * Expand virtual size to cover the current config and potential mode
- * switches, if the driver can't enlarge the screen later.
- */
- xf86DefaultScreenLimits (scrn, &width, &height, canGrow);
-
- if (have_outputs == FALSE) {
- if (width < NO_OUTPUT_DEFAULT_WIDTH && height < NO_OUTPUT_DEFAULT_HEIGHT) {
- width = NO_OUTPUT_DEFAULT_WIDTH;
- height = NO_OUTPUT_DEFAULT_HEIGHT;
- }
- }
-
- scrn->display->virtualX = width;
- scrn->display->virtualY = height;
- }
-
- if (width > scrn->virtualX)
- scrn->virtualX = width;
- if (height > scrn->virtualY)
- scrn->virtualY = height;
-
- /*
- * Make sure the configuration isn't too small.
- */
- if (width < config->minWidth || height < config->minHeight)
- return FALSE;
-
- /*
- * Limit the crtc config to virtual[XY] if the driver can't grow the
- * desktop.
- */
- if (!canGrow)
- {
- xf86CrtcSetSizeRange (scrn, config->minWidth, config->minHeight,
- width, height);
- }
-
- if (have_outputs) {
- /* Mirror output modes to scrn mode list */
- xf86SetScrnInfoModes (scrn);
- } else {
- /* Clear any existing modes from scrn->modes */
- while (scrn->modes != NULL)
- xf86DeleteMode(&scrn->modes, scrn->modes);
- scrn->modes = xf86ModesAdd(scrn->modes,
- xf86CVTMode(width, height, 60, 0, 0));
- }
-
-
- free(crtcs);
- free(modes);
- return TRUE;
-}
-
-/*
- * Check the CRTC we're going to map each output to vs. it's current
- * CRTC. If they don't match, we have to disable the output and the CRTC
- * since the driver will have to re-route things.
- */
-static void
-xf86PrepareOutputs (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int o;
-
- for (o = 0; o < config->num_output; o++) {
- xf86OutputPtr output = config->output[o];
-#if RANDR_GET_CRTC_INTERFACE
- /* Disable outputs that are unused or will be re-routed */
- if (!output->funcs->get_crtc ||
- output->crtc != (*output->funcs->get_crtc)(output) ||
- output->crtc == NULL)
-#endif
- (*output->funcs->dpms)(output, DPMSModeOff);
- }
-}
-
-static void
-xf86PrepareCrtcs (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- for (c = 0; c < config->num_crtc; c++) {
-#if RANDR_GET_CRTC_INTERFACE
- xf86CrtcPtr crtc = config->crtc[c];
- xf86OutputPtr output = NULL;
- uint32_t desired_outputs = 0, current_outputs = 0;
- int o;
-
- for (o = 0; o < config->num_output; o++) {
- output = config->output[o];
- if (output->crtc == crtc)
- desired_outputs |= (1<<o);
- /* If we can't tell where it's mapped, force it off */
- if (!output->funcs->get_crtc) {
- desired_outputs = 0;
- break;
- }
- if ((*output->funcs->get_crtc)(output) == crtc)
- current_outputs |= (1<<o);
- }
-
- /*
- * If mappings are different or the CRTC is unused,
- * we need to disable it
- */
- if (desired_outputs != current_outputs ||
- !desired_outputs)
- (*crtc->funcs->dpms)(crtc, DPMSModeOff);
-#else
- (*crtc->funcs->dpms)(crtc, DPMSModeOff);
-#endif
- }
-}
-
-/*
- * Using the desired mode information in each crtc, set
- * modes (used in EnterVT functions, or at server startup)
- */
-
-Bool
-xf86SetDesiredModes (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CrtcPtr crtc = config->crtc[0];
- int c;
-
- /* A driver with this hook will take care of this */
- if (!crtc->funcs->set_mode_major) {
- xf86PrepareOutputs(scrn);
- xf86PrepareCrtcs(scrn);
- }
-
- for (c = 0; c < config->num_crtc; c++)
- {
- xf86OutputPtr output = NULL;
- xf86CrtcSetRec set;
- int o;
- RRTransformPtr transform;
-
- crtc = config->crtc[c];
-
- /* Skip disabled CRTCs */
- if (!crtc->enabled)
- continue;
-
- if (xf86CompatOutput(scrn) && xf86CompatCrtc(scrn) == crtc)
- output = xf86CompatOutput(scrn);
- else
- {
- for (o = 0; o < config->num_output; o++)
- if (config->output[o]->crtc == crtc)
- {
- output = config->output[o];
- break;
- }
- }
- /* paranoia */
- if (!output)
- continue;
-
- /* Mark that we'll need to re-set the mode for sure */
- memset(&crtc->mode, 0, sizeof(crtc->mode));
- if (!crtc->desiredMode.CrtcHDisplay)
- {
- DisplayModePtr mode = xf86OutputFindClosestMode (output, scrn->currentMode);
-
- if (!mode)
- return FALSE;
- crtc->desiredMode = *mode;
- crtc->desiredRotation = RR_Rotate_0;
- crtc->desiredTransformPresent = FALSE;
- crtc->desiredX = 0;
- crtc->desiredY = 0;
- }
-
- if (crtc->desiredTransformPresent)
- transform = &crtc->desiredTransform;
- else
- transform = NULL;
- set.mode = &crtc->desiredMode;
- set.rotation = crtc->desiredRotation;
- set.transform = transform;
- set.x = crtc->desiredX;
- set.y = crtc->desiredY;
- set.flags = (XF86CrtcSetMode | XF86CrtcSetOutput |
- XF86CrtcSetOrigin | XF86CrtcSetTransform |
- XF86CrtcSetRotation);
- if (!xf86CrtcSet(crtc, &set))
- return FALSE;
- }
-
- xf86DisableUnusedFunctions(scrn);
- return TRUE;
-}
-
-/**
- * In the current world order, there are lists of modes per output, which may
- * or may not include the mode that was asked to be set by XFree86's mode
- * selection. Find the closest one, in the following preference order:
- *
- * - Equality
- * - Closer in size to the requested mode, but no larger
- * - Closer in refresh rate to the requested mode.
- */
-
-DisplayModePtr
-xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired)
-{
- DisplayModePtr best = NULL, scan = NULL;
-
- for (scan = output->probed_modes; scan != NULL; scan = scan->next)
- {
- /* If there's an exact match, we're done. */
- if (xf86ModesEqual(scan, desired)) {
- best = desired;
- break;
- }
-
- /* Reject if it's larger than the desired mode. */
- if (scan->HDisplay > desired->HDisplay ||
- scan->VDisplay > desired->VDisplay)
- {
- continue;
- }
-
- /*
- * If we haven't picked a best mode yet, use the first
- * one in the size range
- */
- if (best == NULL)
- {
- best = scan;
- continue;
- }
-
- /* Find if it's closer to the right size than the current best
- * option.
- */
- if ((scan->HDisplay > best->HDisplay &&
- scan->VDisplay >= best->VDisplay) ||
- (scan->HDisplay >= best->HDisplay &&
- scan->VDisplay > best->VDisplay))
- {
- best = scan;
- continue;
- }
-
- /* Find if it's still closer to the right refresh than the current
- * best resolution.
- */
- if (scan->HDisplay == best->HDisplay &&
- scan->VDisplay == best->VDisplay &&
- (fabs(scan->VRefresh - desired->VRefresh) <
- fabs(best->VRefresh - desired->VRefresh))) {
- best = scan;
- }
- }
- return best;
-}
-
-/**
- * When setting a mode through XFree86-VidModeExtension or XFree86-DGA,
- * take the specified mode and apply it to the crtc connected to the compat
- * output. Then, find similar modes for the other outputs, as with the
- * InitialConfiguration code above. The goal is to clone the desired
- * mode across all outputs that are currently active.
- */
-
-Bool
-xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- Bool ok = TRUE;
- xf86OutputPtr compat_output;
- DisplayModePtr compat_mode = NULL;
- int c;
-
- /*
- * Let the compat output drive the final mode selection
- */
- compat_output = xf86CompatOutput(pScrn);
- if (compat_output)
- compat_mode = xf86OutputFindClosestMode (compat_output, desired);
- if (compat_mode)
- desired = compat_mode;
-
- for (c = 0; c < config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = config->crtc[c];
- DisplayModePtr crtc_mode = NULL;
- int o;
- xf86CrtcSetRec set;
-
- if (!crtc->enabled)
- continue;
-
- for (o = 0; o < config->num_output; o++)
- {
- xf86OutputPtr output = config->output[o];
- DisplayModePtr output_mode;
-
- /* skip outputs not on this crtc */
- if (output->crtc != crtc)
- continue;
-
- if (crtc_mode)
- {
- output_mode = xf86OutputFindClosestMode (output, crtc_mode);
- if (output_mode != crtc_mode)
- output->crtc = NULL;
- }
- else
- crtc_mode = xf86OutputFindClosestMode (output, desired);
- }
- if (!crtc_mode)
- {
- crtc->enabled = FALSE;
- continue;
- }
- set.mode = crtc_mode;
- set.rotation = rotation;
- set.transform = NULL;
- set.x = 0;
- set.y = 0;
- set.flags = (XF86CrtcSetMode | XF86CrtcSetOutput |
- XF86CrtcSetOrigin | XF86CrtcSetTransform |
- XF86CrtcSetRotation);
- if (!xf86CrtcSet (crtc, &set))
- ok = FALSE;
- else
- {
- crtc->desiredMode = *crtc_mode;
- crtc->desiredRotation = rotation;
- crtc->desiredTransformPresent = FALSE;
- crtc->desiredX = 0;
- crtc->desiredY = 0;
- }
- }
- xf86DisableUnusedFunctions(pScrn);
-#ifdef RANDR_12_INTERFACE
- xf86RandR12TellChanged (pScrn->pScreen);
-#endif
- return ok;
-}
-
-
-/**
- * Set the DPMS power mode of all outputs and CRTCs.
- *
- * If the new mode is off, it will turn off outputs and then CRTCs.
- * Otherwise, it will affect CRTCs before outputs.
- */
-void
-xf86DPMSSet(ScrnInfoPtr scrn, int mode, int flags)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int i;
-
- if (!scrn->vtSema)
- return;
-
- if (mode == DPMSModeOff) {
- for (i = 0; i < config->num_output; i++) {
- xf86OutputPtr output = config->output[i];
- if (output->crtc != NULL)
- (*output->funcs->dpms) (output, mode);
- }
- }
-
- for (i = 0; i < config->num_crtc; i++) {
- xf86CrtcPtr crtc = config->crtc[i];
- if (crtc->enabled)
- (*crtc->funcs->dpms) (crtc, mode);
- }
-
- if (mode != DPMSModeOff) {
- for (i = 0; i < config->num_output; i++) {
- xf86OutputPtr output = config->output[i];
- if (output->crtc != NULL)
- (*output->funcs->dpms) (output, mode);
- }
- }
-}
-
-/**
- * Implement the screensaver by just calling down into the driver DPMS hooks.
- *
- * Even for monitors with no DPMS support, by the definition of our DPMS hooks,
- * the outputs will still get disabled (blanked).
- */
-Bool
-xf86SaveScreen(ScreenPtr pScreen, int mode)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-
- if (xf86IsUnblank(mode))
- xf86DPMSSet(pScrn, DPMSModeOn, 0);
- else
- xf86DPMSSet(pScrn, DPMSModeOff, 0);
-
- return TRUE;
-}
-
-/**
- * Disable all inactive crtcs and outputs
- */
-void
-xf86DisableUnusedFunctions(ScrnInfoPtr pScrn)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- int o, c;
-
- for (o = 0; o < xf86_config->num_output; o++)
- {
- xf86OutputPtr output = xf86_config->output[o];
- if (!output->crtc)
- (*output->funcs->dpms)(output, DPMSModeOff);
- }
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (!crtc->enabled)
- {
- crtc->funcs->dpms(crtc, DPMSModeOff);
- memset(&crtc->mode, 0, sizeof(crtc->mode));
- xf86RotateDestroy(crtc);
- crtc->active = FALSE;
- }
- }
- if (pScrn->pScreen)
- xf86_crtc_notify(pScrn->pScreen);
- if (pScrn->ModeSet)
- pScrn->ModeSet(pScrn);
-}
-
-#ifdef RANDR_12_INTERFACE
-
-#define EDID_ATOM_NAME "EDID"
-
-/**
- * Set the RandR EDID property
- */
-static void
-xf86OutputSetEDIDProperty (xf86OutputPtr output, void *data, int data_len)
-{
- Atom edid_atom = MakeAtom(EDID_ATOM_NAME, sizeof(EDID_ATOM_NAME) - 1, TRUE);
-
- /* This may get called before the RandR resources have been created */
- if (output->randr_output == NULL)
- return;
-
- if (data_len != 0) {
- RRChangeOutputProperty(output->randr_output, edid_atom, XA_INTEGER, 8,
- PropModeReplace, data_len, data, FALSE, TRUE);
- } else {
- RRDeleteOutputProperty(output->randr_output, edid_atom);
- }
-}
-
-#endif
-
-/* Pull out a phyiscal size from a detailed timing if available. */
-struct det_phySize_parameter {
- xf86OutputPtr output;
- ddc_quirk_t quirks;
- Bool ret;
-};
-
-static void handle_detailed_physical_size(struct detailed_monitor_section
- *det_mon, void *data)
-{
- struct det_phySize_parameter *p;
- p = (struct det_phySize_parameter *)data;
-
- if (p->ret == TRUE )
- return ;
-
- xf86DetTimingApplyQuirks(det_mon, p->quirks,
- p->output->MonInfo->features.hsize,
- p->output->MonInfo->features.vsize);
- if (det_mon->type == DT &&
- det_mon->section.d_timings.h_size != 0 &&
- det_mon->section.d_timings.v_size != 0) {
-
- p->output->mm_width = det_mon->section.d_timings.h_size;
- p->output->mm_height = det_mon->section.d_timings.v_size;
- p->ret = TRUE;
- }
-}
-
-/**
- * Set the EDID information for the specified output
- */
-void
-xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon)
-{
- ScrnInfoPtr scrn = output->scrn;
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- Bool debug_modes = config->debug_modes || xf86Initialising;
-#ifdef RANDR_12_INTERFACE
- int size;
-#endif
-
- free(output->MonInfo);
-
- output->MonInfo = edid_mon;
- output->mm_width = 0;
- output->mm_height = 0;
-
- if (debug_modes) {
- xf86DrvMsg(scrn->scrnIndex, X_INFO, "EDID for output %s\n",
- output->name);
- xf86PrintEDID(edid_mon);
- }
-
- /* Set the DDC properties for the 'compat' output */
- if (output == xf86CompatOutput(scrn))
- xf86SetDDCproperties(scrn, edid_mon);
-
-#ifdef RANDR_12_INTERFACE
- /* Set the RandR output properties */
- size = 0;
- if (edid_mon)
- {
- if (edid_mon->ver.version == 1) {
- size = 128;
- if (edid_mon->flags & EDID_COMPLETE_RAWDATA)
- size += edid_mon->no_sections * 128;
- } else if (edid_mon->ver.version == 2)
- size = 256;
- }
- xf86OutputSetEDIDProperty (output, edid_mon ? edid_mon->rawData : NULL, size);
-#endif
-
- if (edid_mon) {
-
- struct det_phySize_parameter p;
- p.output = output;
- p.quirks = xf86DDCDetectQuirks(scrn->scrnIndex,edid_mon, FALSE);
- p.ret = FALSE;
- xf86ForEachDetailedBlock(edid_mon,
- handle_detailed_physical_size, &p);
-
- /* if no mm size is available from a detailed timing, check the max size field */
- if ((!output->mm_width || !output->mm_height) &&
- (edid_mon->features.hsize && edid_mon->features.vsize))
- {
- output->mm_width = edid_mon->features.hsize * 10;
- output->mm_height = edid_mon->features.vsize * 10;
- }
- }
-}
-
-/**
- * Return the list of modes supported by the EDID information
- * stored in 'output'
- */
-DisplayModePtr
-xf86OutputGetEDIDModes (xf86OutputPtr output)
-{
- ScrnInfoPtr scrn = output->scrn;
- xf86MonPtr edid_mon = output->MonInfo;
-
- if (!edid_mon)
- return NULL;
- return xf86DDCGetModes(scrn->scrnIndex, edid_mon);
-}
-
-/* maybe we should care about DDC1? meh. */
-xf86MonPtr
-xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus)
-{
- ScrnInfoPtr scrn = output->scrn;
- xf86MonPtr mon;
-
- mon = xf86DoEEDID(scrn->scrnIndex, pDDCBus, TRUE);
- if (mon)
- xf86DDCApplyQuirks(scrn->scrnIndex, mon);
-
- return mon;
-}
-
-static char *_xf86ConnectorNames[] = {
- "None", "VGA", "DVI-I", "DVI-D",
- "DVI-A", "Composite", "S-Video",
- "Component", "LFP", "Proprietary",
- "HDMI", "DisplayPort",
- };
-char *
-xf86ConnectorGetName(xf86ConnectorType connector)
-{
- return _xf86ConnectorNames[connector];
-}
-
-static void
-x86_crtc_box_intersect(BoxPtr dest, BoxPtr a, BoxPtr b)
-{
- dest->x1 = a->x1 > b->x1 ? a->x1 : b->x1;
- dest->x2 = a->x2 < b->x2 ? a->x2 : b->x2;
- dest->y1 = a->y1 > b->y1 ? a->y1 : b->y1;
- dest->y2 = a->y2 < b->y2 ? a->y2 : b->y2;
-
- if (dest->x1 >= dest->x2 || dest->y1 >= dest->y2)
- dest->x1 = dest->x2 = dest->y1 = dest->y2 = 0;
-}
-
-static void
-x86_crtc_box(xf86CrtcPtr crtc, BoxPtr crtc_box)
-{
- if (crtc->enabled) {
- crtc_box->x1 = crtc->x;
- crtc_box->x2 = crtc->x + xf86ModeWidth(&crtc->mode, crtc->rotation);
- crtc_box->y1 = crtc->y;
- crtc_box->y2 = crtc->y + xf86ModeHeight(&crtc->mode, crtc->rotation);
- } else
- crtc_box->x1 = crtc_box->x2 = crtc_box->y1 = crtc_box->y2 = 0;
-}
-
-static int
-xf86_crtc_box_area(BoxPtr box)
-{
- return (int) (box->x2 - box->x1) * (int) (box->y2 - box->y1);
-}
-
-/*
- * Return the crtc covering 'box'. If two crtcs cover a portion of
- * 'box', then prefer 'desired'. If 'desired' is NULL, then prefer the crtc
- * with greater coverage
- */
-
-static xf86CrtcPtr
-xf86_covering_crtc(ScrnInfoPtr pScrn,
- BoxPtr box,
- xf86CrtcPtr desired,
- BoxPtr crtc_box_ret)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- xf86CrtcPtr crtc, best_crtc;
- int coverage, best_coverage;
- int c;
- BoxRec crtc_box, cover_box;
-
- best_crtc = NULL;
- best_coverage = 0;
- crtc_box_ret->x1 = 0;
- crtc_box_ret->x2 = 0;
- crtc_box_ret->y1 = 0;
- crtc_box_ret->y2 = 0;
- for (c = 0; c < xf86_config->num_crtc; c++) {
- crtc = xf86_config->crtc[c];
- x86_crtc_box(crtc, &crtc_box);
- x86_crtc_box_intersect(&cover_box, &crtc_box, box);
- coverage = xf86_crtc_box_area(&cover_box);
- if (coverage && crtc == desired) {
- *crtc_box_ret = crtc_box;
- return crtc;
- } else if (coverage > best_coverage) {
- *crtc_box_ret = crtc_box;
- best_crtc = crtc;
- best_coverage = coverage;
- }
- }
- return best_crtc;
-}
-
-/*
- * For overlay video, compute the relevant CRTC and
- * clip video to that.
- *
- * returning FALSE means there was a memory failure of some kind,
- * not that the video shouldn't be displayed
- */
-
-Bool
-xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
- xf86CrtcPtr *crtc_ret,
- xf86CrtcPtr desired_crtc,
- BoxPtr dst,
- INT32 *xa,
- INT32 *xb,
- INT32 *ya,
- INT32 *yb,
- RegionPtr reg,
- INT32 width,
- INT32 height)
-{
- Bool ret;
- RegionRec crtc_region_local;
- RegionPtr crtc_region = reg;
-
- if (crtc_ret) {
- BoxRec crtc_box;
- xf86CrtcPtr crtc = xf86_covering_crtc(pScrn, dst,
- desired_crtc,
- &crtc_box);
-
- if (crtc) {
- RegionInit(&crtc_region_local, &crtc_box, 1);
- crtc_region = &crtc_region_local;
- RegionIntersect(crtc_region, crtc_region, reg);
- }
- *crtc_ret = crtc;
- }
-
- ret = xf86XVClipVideoHelper(dst, xa, xb, ya, yb,
- crtc_region, width, height);
-
- if (crtc_region != reg)
- RegionUninit(&crtc_region_local);
-
- return ret;
-}
-
-xf86_crtc_notify_proc_ptr
-xf86_wrap_crtc_notify (ScreenPtr screen, xf86_crtc_notify_proc_ptr new)
-{
- if (xf86CrtcConfigPrivateIndex != -1)
- {
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86_crtc_notify_proc_ptr old;
-
- old = config->xf86_crtc_notify;
- config->xf86_crtc_notify = new;
- return old;
- }
- return NULL;
-}
-
-void
-xf86_unwrap_crtc_notify(ScreenPtr screen, xf86_crtc_notify_proc_ptr old)
-{
- if (xf86CrtcConfigPrivateIndex != -1)
- {
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- config->xf86_crtc_notify = old;
- }
-}
-
-void
-xf86_crtc_notify(ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- if (config->xf86_crtc_notify)
- config->xf86_crtc_notify(screen);
-}
-
-Bool
-xf86_crtc_supports_gamma(ScrnInfoPtr pScrn)
-{
- if (xf86CrtcConfigPrivateIndex != -1) {
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- xf86CrtcPtr crtc;
-
- /* for multiple drivers loaded we need this */
- if (!xf86_config)
- return FALSE;
- if (xf86_config->num_crtc == 0)
- return FALSE;
- crtc = xf86_config->crtc[0];
-
- return crtc->funcs->gamma_set != NULL;
- }
-
- return FALSE;
-}
+/* + * Copyright © 2006 Keith Packard + * Copyright © 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#else +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#endif + +#include <stddef.h> +#include <string.h> +#include <stdio.h> + +#include "xf86.h" +#include "xf86DDC.h" +#include "xf86Crtc.h" +#include "xf86Modes.h" +#include "xf86Priv.h" +#include "xf86RandR12.h" +#include "X11/extensions/render.h" +#include "X11/extensions/dpmsconst.h" +#include "X11/Xatom.h" +#include "picturestr.h" + +#include "xf86xv.h" + +#define NO_OUTPUT_DEFAULT_WIDTH 1024 +#define NO_OUTPUT_DEFAULT_HEIGHT 768 +/* + * Initialize xf86CrtcConfig structure + */ + +int xf86CrtcConfigPrivateIndex = -1; + +void +xf86CrtcConfigInit (ScrnInfoPtr scrn, + const xf86CrtcConfigFuncsRec *funcs) +{ + xf86CrtcConfigPtr config; + + if (xf86CrtcConfigPrivateIndex == -1) + xf86CrtcConfigPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); + config = xnfcalloc (1, sizeof (xf86CrtcConfigRec)); + + config->funcs = funcs; + + scrn->privates[xf86CrtcConfigPrivateIndex].ptr = config; +} + +void +xf86CrtcSetSizeRange (ScrnInfoPtr scrn, + int minWidth, int minHeight, + int maxWidth, int maxHeight) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + + config->minWidth = minWidth; + config->minHeight = minHeight; + config->maxWidth = maxWidth; + config->maxHeight = maxHeight; +} + +/* + * Crtc functions + */ +xf86CrtcPtr +xf86CrtcCreate (ScrnInfoPtr scrn, + const xf86CrtcFuncsRec *funcs) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CrtcPtr crtc, *crtcs; + + crtc = calloc(sizeof (xf86CrtcRec), 1); + if (!crtc) + return NULL; + crtc->version = XF86_CRTC_VERSION; + crtc->scrn = scrn; + crtc->funcs = funcs; +#ifdef RANDR_12_INTERFACE + crtc->randr_crtc = NULL; +#endif + crtc->rotation = RR_Rotate_0; + crtc->desiredRotation = RR_Rotate_0; + pixman_transform_init_identity (&crtc->crtc_to_framebuffer); + pixman_f_transform_init_identity (&crtc->f_crtc_to_framebuffer); + pixman_f_transform_init_identity (&crtc->f_framebuffer_to_crtc); + crtc->filter = NULL; + crtc->params = NULL; + crtc->nparams = 0; + crtc->filter_width = 0; + crtc->filter_height = 0; + crtc->transform_in_use = FALSE; + crtc->transformPresent = FALSE; + crtc->desiredTransformPresent = FALSE; + memset (&crtc->bounds, '\0', sizeof (crtc->bounds)); + + /* Preallocate gamma at a sensible size. */ + crtc->gamma_size = 256; + crtc->gamma_red = malloc(3 * crtc->gamma_size * sizeof (CARD16)); + if (!crtc->gamma_red) { + free(crtc); + return NULL; + } + crtc->gamma_green = crtc->gamma_red + crtc->gamma_size; + crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size; + + if (xf86_config->crtc) + crtcs = realloc(xf86_config->crtc, + (xf86_config->num_crtc + 1) * sizeof (xf86CrtcPtr)); + else + crtcs = malloc((xf86_config->num_crtc + 1) * sizeof (xf86CrtcPtr)); + if (!crtcs) + { + free(crtc); + return NULL; + } + xf86_config->crtc = crtcs; + xf86_config->crtc[xf86_config->num_crtc++] = crtc; + return crtc; +} + +void +xf86CrtcDestroy (xf86CrtcPtr crtc) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn); + int c; + + (*crtc->funcs->destroy) (crtc); + for (c = 0; c < xf86_config->num_crtc; c++) + if (xf86_config->crtc[c] == crtc) + { + memmove (&xf86_config->crtc[c], + &xf86_config->crtc[c+1], + ((xf86_config->num_crtc - (c + 1)) * sizeof(void*))); + xf86_config->num_crtc--; + break; + } + free(crtc->params); + free(crtc->gamma_red); + free(crtc); +} + + +/** + * Return whether any outputs are connected to the specified pipe + */ + +Bool +xf86CrtcInUse (xf86CrtcPtr crtc) +{ + ScrnInfoPtr pScrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + int o; + + for (o = 0; o < xf86_config->num_output; o++) + if (xf86_config->output[o]->crtc == crtc) + return TRUE; + return FALSE; +} + +void +xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen) +{ + int subpixel_order = SubPixelUnknown; + Bool has_none = FALSE; + ScrnInfoPtr scrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c, o; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + for (o = 0; o < xf86_config->num_output; o++) + { + xf86OutputPtr output = xf86_config->output[o]; + + if (output->crtc == crtc) + { + switch (output->subpixel_order) { + case SubPixelNone: + has_none = TRUE; + break; + case SubPixelUnknown: + break; + default: + subpixel_order = output->subpixel_order; + break; + } + } + if (subpixel_order != SubPixelUnknown) + break; + } + if (subpixel_order != SubPixelUnknown) + { + static const int circle[4] = { + SubPixelHorizontalRGB, + SubPixelVerticalRGB, + SubPixelHorizontalBGR, + SubPixelVerticalBGR, + }; + int rotate; + int c; + for (rotate = 0; rotate < 4; rotate++) + if (crtc->rotation & (1 << rotate)) + break; + for (c = 0; c < 4; c++) + if (circle[c] == subpixel_order) + break; + c = (c + rotate) & 0x3; + if ((crtc->rotation & RR_Reflect_X) && !(c & 1)) + c ^= 2; + if ((crtc->rotation & RR_Reflect_Y) && (c & 1)) + c ^= 2; + subpixel_order = circle[c]; + break; + } + } + if (subpixel_order == SubPixelUnknown && has_none) + subpixel_order = SubPixelNone; + PictureSetSubpixelOrder (pScreen, subpixel_order); +} + +/** + * Sets the given video mode on the given crtc + */ +Bool +xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, + RRTransformPtr transform, int x, int y) +{ + ScrnInfoPtr scrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int i; + Bool ret = FALSE; + Bool didLock = FALSE; + DisplayModePtr adjusted_mode; + DisplayModeRec saved_mode; + int saved_x, saved_y; + Rotation saved_rotation; + RRTransformRec saved_transform; + Bool saved_transform_present; + + crtc->enabled = xf86CrtcInUse (crtc); + + /* We only hit this if someone explicitly sends a "disabled" modeset. */ + if (!crtc->enabled) + { + /* Check everything for stuff that should be off. */ + xf86DisableUnusedFunctions(scrn); + return TRUE; + } + + adjusted_mode = xf86DuplicateMode(mode); + + + saved_mode = crtc->mode; + saved_x = crtc->x; + saved_y = crtc->y; + saved_rotation = crtc->rotation; + if (crtc->transformPresent) { + RRTransformInit (&saved_transform); + RRTransformCopy (&saved_transform, &crtc->transform); + } + saved_transform_present = crtc->transformPresent; + + /* Update crtc values up front so the driver can rely on them for mode + * setting. + */ + crtc->mode = *mode; + crtc->x = x; + crtc->y = y; + crtc->rotation = rotation; + if (transform) { + RRTransformCopy (&crtc->transform, transform); + crtc->transformPresent = TRUE; + } else + crtc->transformPresent = FALSE; + + if (crtc->funcs->set_mode_major) { + ret = crtc->funcs->set_mode_major(crtc, mode, rotation, x, y); + goto done; + } + + didLock = crtc->funcs->lock (crtc); + /* Pass our mode to the outputs and the CRTC to give them a chance to + * adjust it according to limitations or output properties, and also + * a chance to reject the mode entirely. + */ + for (i = 0; i < xf86_config->num_output; i++) { + xf86OutputPtr output = xf86_config->output[i]; + + if (output->crtc != crtc) + continue; + + if (!output->funcs->mode_fixup(output, mode, adjusted_mode)) { + goto done; + } + } + + if (!crtc->funcs->mode_fixup(crtc, mode, adjusted_mode)) { + goto done; + } + + if (!xf86CrtcRotate (crtc)) + goto done; + + /* Prepare the outputs and CRTCs before setting the mode. */ + for (i = 0; i < xf86_config->num_output; i++) { + xf86OutputPtr output = xf86_config->output[i]; + + if (output->crtc != crtc) + continue; + + /* Disable the output as the first thing we do. */ + output->funcs->prepare(output); + } + + crtc->funcs->prepare(crtc); + + /* Set up the DPLL and any output state that needs to adjust or depend + * on the DPLL. + */ + crtc->funcs->mode_set(crtc, mode, adjusted_mode, crtc->x, crtc->y); + for (i = 0; i < xf86_config->num_output; i++) + { + xf86OutputPtr output = xf86_config->output[i]; + if (output->crtc == crtc) + output->funcs->mode_set(output, mode, adjusted_mode); + } + + /* Only upload when needed, to avoid unneeded delays. */ + if (!crtc->active && crtc->funcs->gamma_set) + crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, + crtc->gamma_blue, crtc->gamma_size); + + /* Now, enable the clocks, plane, pipe, and outputs that we set up. */ + crtc->funcs->commit(crtc); + for (i = 0; i < xf86_config->num_output; i++) + { + xf86OutputPtr output = xf86_config->output[i]; + if (output->crtc == crtc) + output->funcs->commit(output); + } + + ret = TRUE; + +done: + if (ret) { + crtc->active = TRUE; + if (scrn->pScreen) + xf86CrtcSetScreenSubpixelOrder (scrn->pScreen); + if (scrn->ModeSet) + scrn->ModeSet(scrn); + } else { + crtc->x = saved_x; + crtc->y = saved_y; + crtc->rotation = saved_rotation; + crtc->mode = saved_mode; + if (saved_transform_present) + RRTransformCopy (&crtc->transform, &saved_transform); + crtc->transformPresent = saved_transform_present; + } + + free(adjusted_mode->name); + free(adjusted_mode); + + if (didLock) + crtc->funcs->unlock (crtc); + + return ret; +} + +/** + * Sets the given video mode on the given crtc, but without providing + * a transform + */ +Bool +xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, + int x, int y) +{ + return xf86CrtcSetModeTransform (crtc, mode, rotation, NULL, x, y); +} + +/** + * Pans the screen, does not change the mode + */ +void +xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y) +{ + ScrnInfoPtr scrn = crtc->scrn; + + crtc->x = x; + crtc->y = y; + if (crtc->funcs->set_origin) { + if (!xf86CrtcRotate (crtc)) + return; + crtc->funcs->set_origin (crtc, x, y); + if (scrn->ModeSet) + scrn->ModeSet(scrn); + } + else + xf86CrtcSetMode (crtc, &crtc->mode, crtc->rotation, x, y); +} + +/* + * Output functions + */ + +extern XF86ConfigPtr xf86configptr; + +typedef enum { + OPTION_PREFERRED_MODE, + OPTION_POSITION, + OPTION_BELOW, + OPTION_RIGHT_OF, + OPTION_ABOVE, + OPTION_LEFT_OF, + OPTION_ENABLE, + OPTION_DISABLE, + OPTION_MIN_CLOCK, + OPTION_MAX_CLOCK, + OPTION_IGNORE, + OPTION_ROTATE, + OPTION_PANNING, + OPTION_PRIMARY, + OPTION_DEFAULT_MODES, +} OutputOpts; + +static OptionInfoRec xf86OutputOptions[] = { + {OPTION_PREFERRED_MODE, "PreferredMode", OPTV_STRING, {0}, FALSE }, + {OPTION_POSITION, "Position", OPTV_STRING, {0}, FALSE }, + {OPTION_BELOW, "Below", OPTV_STRING, {0}, FALSE }, + {OPTION_RIGHT_OF, "RightOf", OPTV_STRING, {0}, FALSE }, + {OPTION_ABOVE, "Above", OPTV_STRING, {0}, FALSE }, + {OPTION_LEFT_OF, "LeftOf", OPTV_STRING, {0}, FALSE }, + {OPTION_ENABLE, "Enable", OPTV_BOOLEAN, {0}, FALSE }, + {OPTION_DISABLE, "Disable", OPTV_BOOLEAN, {0}, FALSE }, + {OPTION_MIN_CLOCK, "MinClock", OPTV_FREQ, {0}, FALSE }, + {OPTION_MAX_CLOCK, "MaxClock", OPTV_FREQ, {0}, FALSE }, + {OPTION_IGNORE, "Ignore", OPTV_BOOLEAN, {0}, FALSE }, + {OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE }, + {OPTION_PANNING, "Panning", OPTV_STRING, {0}, FALSE }, + {OPTION_PRIMARY, "Primary", OPTV_BOOLEAN, {0}, FALSE }, + {OPTION_DEFAULT_MODES, "DefaultModes", OPTV_BOOLEAN, {0}, FALSE }, + {-1, NULL, OPTV_NONE, {0}, FALSE }, +}; + +enum { + OPTION_MODEDEBUG, +}; + +static OptionInfoRec xf86DeviceOptions[] = { + {OPTION_MODEDEBUG, "ModeDebug", OPTV_BOOLEAN, {0}, FALSE }, + {-1, NULL, OPTV_NONE, {0}, FALSE }, +}; + +static void +xf86OutputSetMonitor (xf86OutputPtr output) +{ + char *option_name; + char *monitor; + + if (!output->name) + return; + + free(output->options); + + output->options = xnfalloc (sizeof (xf86OutputOptions)); + memcpy (output->options, xf86OutputOptions, sizeof (xf86OutputOptions)); + + XNFasprintf(&option_name, "monitor-%s", output->name); + monitor = xf86findOptionValue (output->scrn->options, option_name); + if (!monitor) + monitor = output->name; + else + xf86MarkOptionUsedByName (output->scrn->options, option_name); + free(option_name); + output->conf_monitor = xf86findMonitor (monitor, + xf86configptr->conf_monitor_lst); + /* + * Find the monitor section of the screen and use that + */ + if (!output->conf_monitor && output->use_screen_monitor) + output->conf_monitor = xf86findMonitor (output->scrn->monitor->id, + xf86configptr->conf_monitor_lst); + if (output->conf_monitor) + { + xf86DrvMsg (output->scrn->scrnIndex, X_INFO, + "Output %s using monitor section %s\n", + output->name, output->conf_monitor->mon_identifier); + xf86ProcessOptions (output->scrn->scrnIndex, + output->conf_monitor->mon_option_lst, + output->options); + } + else + xf86DrvMsg (output->scrn->scrnIndex, X_INFO, + "Output %s has no monitor section\n", + output->name); +} + +static Bool +xf86OutputEnabled (xf86OutputPtr output, Bool strict) +{ + Bool enable, disable; + + /* check to see if this output was enabled in the config file */ + if (xf86GetOptValBool (output->options, OPTION_ENABLE, &enable) && enable) + { + xf86DrvMsg (output->scrn->scrnIndex, X_INFO, + "Output %s enabled by config file\n", output->name); + return TRUE; + } + /* or if this output was disabled in the config file */ + if (xf86GetOptValBool (output->options, OPTION_DISABLE, &disable) && disable) + { + xf86DrvMsg (output->scrn->scrnIndex, X_INFO, + "Output %s disabled by config file\n", output->name); + return FALSE; + } + + /* If not, try to only light up the ones we know are connected */ + if (strict) { + enable = output->status == XF86OutputStatusConnected; + } + /* But if that fails, try to light up even outputs we're unsure of */ + else { + enable = output->status != XF86OutputStatusDisconnected; + } + + xf86DrvMsg (output->scrn->scrnIndex, X_INFO, + "Output %s %sconnected\n", output->name, enable ? "" : "dis"); + return enable; +} + +static Bool +xf86OutputIgnored (xf86OutputPtr output) +{ + return xf86ReturnOptValBool (output->options, OPTION_IGNORE, FALSE); +} + +static char *direction[4] = { + "normal", + "left", + "inverted", + "right" +}; + +static Rotation +xf86OutputInitialRotation (xf86OutputPtr output) +{ + char *rotate_name = xf86GetOptValString (output->options, + OPTION_ROTATE); + int i; + + if (!rotate_name) { + if (output->initial_rotation) + return output->initial_rotation; + return RR_Rotate_0; + } + + for (i = 0; i < 4; i++) + if (xf86nameCompare (direction[i], rotate_name) == 0) + return 1 << i; + return RR_Rotate_0; +} + +xf86OutputPtr +xf86OutputCreate (ScrnInfoPtr scrn, + const xf86OutputFuncsRec *funcs, + const char *name) +{ + xf86OutputPtr output, *outputs; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int len; + Bool primary; + + if (name) + len = strlen (name) + 1; + else + len = 0; + + output = calloc(sizeof (xf86OutputRec) + len, 1); + if (!output) + return NULL; + output->scrn = scrn; + output->funcs = funcs; + if (name) + { + output->name = (char *) (output + 1); + strcpy (output->name, name); + } + output->subpixel_order = SubPixelUnknown; + /* + * Use the old per-screen monitor section for the first output + */ + output->use_screen_monitor = (xf86_config->num_output == 0); +#ifdef RANDR_12_INTERFACE + output->randr_output = NULL; +#endif + if (name) + { + xf86OutputSetMonitor (output); + if (xf86OutputIgnored (output)) + { + free(output); + return FALSE; + } + } + + + if (xf86_config->output) + outputs = realloc(xf86_config->output, + (xf86_config->num_output + 1) * sizeof (xf86OutputPtr)); + else + outputs = malloc((xf86_config->num_output + 1) * sizeof (xf86OutputPtr)); + if (!outputs) + { + free(output); + return NULL; + } + + xf86_config->output = outputs; + + if (xf86GetOptValBool (output->options, OPTION_PRIMARY, &primary) && primary) + { + memmove(xf86_config->output + 1, xf86_config->output, + xf86_config->num_output * sizeof (xf86OutputPtr)); + xf86_config->output[0] = output; + } + else + { + xf86_config->output[xf86_config->num_output] = output; + } + + xf86_config->num_output++; + + return output; +} + +Bool +xf86OutputRename (xf86OutputPtr output, const char *name) +{ + char *newname = strdup(name); + + if (!newname) + return FALSE; /* so sorry... */ + + if (output->name && output->name != (char *) (output + 1)) + free(output->name); + output->name = newname; + xf86OutputSetMonitor (output); + if (xf86OutputIgnored (output)) + return FALSE; + return TRUE; +} + +void +xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor) +{ + if (use_screen_monitor != output->use_screen_monitor) + { + output->use_screen_monitor = use_screen_monitor; + xf86OutputSetMonitor (output); + } +} + +void +xf86OutputDestroy (xf86OutputPtr output) +{ + ScrnInfoPtr scrn = output->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + + (*output->funcs->destroy) (output); + while (output->probed_modes) + xf86DeleteMode (&output->probed_modes, output->probed_modes); + for (o = 0; o < xf86_config->num_output; o++) + if (xf86_config->output[o] == output) + { + memmove (&xf86_config->output[o], + &xf86_config->output[o+1], + ((xf86_config->num_output - (o + 1)) * sizeof(void*))); + xf86_config->num_output--; + break; + } + if (output->name && output->name != (char *) (output + 1)) + free(output->name); + free(output); +} + +/* + * Called during CreateScreenResources to hook up RandR + */ +static Bool +xf86CrtcCreateScreenResources (ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + + screen->CreateScreenResources = config->CreateScreenResources; + + if (!(*screen->CreateScreenResources)(screen)) + return FALSE; + + if (!xf86RandR12CreateScreenResources (screen)) + return FALSE; + + return TRUE; +} + +/* + * Clean up config on server reset + */ +static Bool +xf86CrtcCloseScreen (int index, ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o, c; + + screen->CloseScreen = config->CloseScreen; + + xf86RotateCloseScreen (screen); + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + output->randr_output = NULL; + } + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + + crtc->randr_crtc = NULL; + } + xf86RandR12CloseScreen (screen); + + return screen->CloseScreen (index, screen); +} + +/* + * Called at ScreenInit time to set up + */ +#ifdef RANDR_13_INTERFACE +int +#else +Bool +#endif +xf86CrtcScreenInit (ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + /* Rotation */ + xf86DrvMsg(scrn->scrnIndex, X_INFO, "RandR 1.2 enabled, ignore the following RandR disabled message.\n"); + xf86DisableRandR(); /* Disable old RandR extension support */ + xf86RandR12Init (screen); + + /* support all rotations if every crtc has the shadow alloc funcs */ + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + if (!crtc->funcs->shadow_allocate || !crtc->funcs->shadow_create) + break; + } + if (c == config->num_crtc) + { + xf86RandR12SetRotations (screen, RR_Rotate_0 | RR_Rotate_90 | + RR_Rotate_180 | RR_Rotate_270 | + RR_Reflect_X | RR_Reflect_Y); + xf86RandR12SetTransformSupport (screen, TRUE); + } + else + { + xf86RandR12SetRotations (screen, RR_Rotate_0); + xf86RandR12SetTransformSupport (screen, FALSE); + } + + /* Wrap CreateScreenResources so we can initialize the RandR code */ + config->CreateScreenResources = screen->CreateScreenResources; + screen->CreateScreenResources = xf86CrtcCreateScreenResources; + + config->CloseScreen = screen->CloseScreen; + screen->CloseScreen = xf86CrtcCloseScreen; + +#ifdef XFreeXDGA + _xf86_di_dga_init_internal(screen); +#endif +#ifdef RANDR_13_INTERFACE + return RANDR_INTERFACE_VERSION; +#else + return TRUE; +#endif +} + +static DisplayModePtr +xf86DefaultMode (xf86OutputPtr output, int width, int height) +{ + DisplayModePtr target_mode = NULL; + DisplayModePtr mode; + int target_diff = 0; + int target_preferred = 0; + int mm_height; + + mm_height = output->mm_height; + if (!mm_height) + mm_height = (768 * 25.4) / DEFAULT_DPI; + /* + * Pick a mode closest to DEFAULT_DPI + */ + for (mode = output->probed_modes; mode; mode = mode->next) + { + int dpi; + int preferred = (((mode->type & M_T_PREFERRED) != 0) + + ((mode->type & M_T_USERPREF) != 0)); + int diff; + + if (xf86ModeWidth (mode, output->initial_rotation) > width || + xf86ModeHeight (mode, output->initial_rotation) > height) + continue; + + /* yes, use VDisplay here, not xf86ModeHeight */ + dpi = (mode->VDisplay * 254) / (mm_height * 10); + diff = dpi - DEFAULT_DPI; + diff = diff < 0 ? -diff : diff; + if (target_mode == NULL || (preferred > target_preferred) || + (preferred == target_preferred && diff < target_diff)) + { + target_mode = mode; + target_diff = diff; + target_preferred = preferred; + } + } + return target_mode; +} + +static DisplayModePtr +xf86ClosestMode (xf86OutputPtr output, + DisplayModePtr match, Rotation match_rotation, + int width, int height) +{ + DisplayModePtr target_mode = NULL; + DisplayModePtr mode; + int target_diff = 0; + + /* + * Pick a mode closest to the specified mode + */ + for (mode = output->probed_modes; mode; mode = mode->next) + { + int dx, dy; + int diff; + + if (xf86ModeWidth (mode, output->initial_rotation) > width || + xf86ModeHeight (mode, output->initial_rotation) > height) + continue; + + /* exact matches are preferred */ + if (output->initial_rotation == match_rotation && + xf86ModesEqual (mode, match)) + return mode; + + dx = xf86ModeWidth (match, match_rotation) - xf86ModeWidth (mode, output->initial_rotation); + dy = xf86ModeHeight (match, match_rotation) - xf86ModeHeight (mode, output->initial_rotation); + diff = dx * dx + dy * dy; + if (target_mode == NULL || diff < target_diff) + { + target_mode = mode; + target_diff = diff; + } + } + return target_mode; +} + +static DisplayModePtr +xf86OutputHasPreferredMode (xf86OutputPtr output, int width, int height) +{ + DisplayModePtr mode; + + for (mode = output->probed_modes; mode; mode = mode->next) + { + if (xf86ModeWidth (mode, output->initial_rotation) > width || + xf86ModeHeight (mode, output->initial_rotation) > height) + continue; + + if (mode->type & M_T_PREFERRED) + return mode; + } + return NULL; +} + +static DisplayModePtr +xf86OutputHasUserPreferredMode (xf86OutputPtr output) +{ + DisplayModePtr mode, first = output->probed_modes; + + for (mode = first; mode && mode->next != first; mode = mode->next) + if (mode->type & M_T_USERPREF) + return mode; + + return NULL; +} + +static int +xf86PickCrtcs (ScrnInfoPtr scrn, + xf86CrtcPtr *best_crtcs, + DisplayModePtr *modes, + int n, + int width, + int height) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int c, o; + xf86OutputPtr output; + xf86CrtcPtr crtc; + xf86CrtcPtr *crtcs; + xf86CrtcPtr best_crtc; + int best_score; + int score; + int my_score; + + if (n == config->num_output) + return 0; + output = config->output[n]; + + /* + * Compute score with this output disabled + */ + best_crtcs[n] = NULL; + best_crtc = NULL; + best_score = xf86PickCrtcs (scrn, best_crtcs, modes, n+1, width, height); + if (modes[n] == NULL) + return best_score; + + crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr)); + if (!crtcs) + return best_score; + + my_score = 1; + /* Score outputs that are known to be connected higher */ + if (output->status == XF86OutputStatusConnected) + my_score++; + /* Score outputs with preferred modes higher */ + if (xf86OutputHasPreferredMode (output, width, height)) + my_score++; + /* + * Select a crtc for this output and + * then attempt to configure the remaining + * outputs + */ + for (c = 0; c < config->num_crtc; c++) + { + if ((output->possible_crtcs & (1 << c)) == 0) + continue; + + crtc = config->crtc[c]; + /* + * Check to see if some other output is + * using this crtc + */ + for (o = 0; o < n; o++) + if (best_crtcs[o] == crtc) + break; + if (o < n) + { + /* + * If the two outputs desire the same mode, + * see if they can be cloned + */ + if (xf86ModesEqual (modes[o], modes[n]) && + config->output[o]->initial_rotation == config->output[n]->initial_rotation && + config->output[o]->initial_x == config->output[n]->initial_x && + config->output[o]->initial_y == config->output[n]->initial_y) + { + if ((output->possible_clones & (1 << o)) == 0) + continue; /* nope, try next CRTC */ + } + else + continue; /* different modes, can't clone */ + } + crtcs[n] = crtc; + memcpy (crtcs, best_crtcs, n * sizeof (xf86CrtcPtr)); + score = my_score + xf86PickCrtcs (scrn, crtcs, modes, n+1, width, height); + if (score > best_score) + { + best_crtc = crtc; + best_score = score; + memcpy (best_crtcs, crtcs, config->num_output * sizeof (xf86CrtcPtr)); + } + } + free(crtcs); + return best_score; +} + + +/* + * Compute the virtual size necessary to place all of the available + * crtcs in the specified configuration. + * + * canGrow indicates that the driver can make the screen larger than its initial + * configuration. If FALSE, this function will enlarge the screen to include + * the largest available mode. + */ + +static void +xf86DefaultScreenLimits (ScrnInfoPtr scrn, int *widthp, int *heightp, + Bool canGrow) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int width = 0, height = 0; + int o; + int c; + int s; + + for (c = 0; c < config->num_crtc; c++) + { + int crtc_width = 0, crtc_height = 0; + xf86CrtcPtr crtc = config->crtc[c]; + + if (crtc->enabled) + { + crtc_width = crtc->desiredX + xf86ModeWidth (&crtc->desiredMode, crtc->desiredRotation); + crtc_height = crtc->desiredY + xf86ModeHeight (&crtc->desiredMode, crtc->desiredRotation); + } + if (!canGrow) { + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + for (s = 0; s < config->num_crtc; s++) + if (output->possible_crtcs & (1 << s)) + { + DisplayModePtr mode; + for (mode = output->probed_modes; mode; mode = mode->next) + { + if (mode->HDisplay > crtc_width) + crtc_width = mode->HDisplay; + if (mode->VDisplay > crtc_width) + crtc_width = mode->VDisplay; + if (mode->VDisplay > crtc_height) + crtc_height = mode->VDisplay; + if (mode->HDisplay > crtc_height) + crtc_height = mode->HDisplay; + } + } + } + } + if (crtc_width > width) + width = crtc_width; + if (crtc_height > height) + height = crtc_height; + } + if (config->maxWidth && width > config->maxWidth) width = config->maxWidth; + if (config->maxHeight && height > config->maxHeight) height = config->maxHeight; + if (config->minWidth && width < config->minWidth) width = config->minWidth; + if (config->minHeight && height < config->minHeight) height = config->minHeight; + *widthp = width; + *heightp = height; +} + +#define POSITION_UNSET -100000 + +/* + * check if the user configured any outputs at all + * with either a position or a relative setting or a mode. + */ +static Bool +xf86UserConfiguredOutputs(ScrnInfoPtr scrn, DisplayModePtr *modes) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + Bool user_conf = FALSE; + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + char *position; + char *relative_name; + OutputOpts relation; + int r; + static const OutputOpts relations[] = { + OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF + }; + + position = xf86GetOptValString (output->options, + OPTION_POSITION); + if (position) + user_conf = TRUE; + + relation = 0; + relative_name = NULL; + for (r = 0; r < 4; r++) + { + relation = relations[r]; + relative_name = xf86GetOptValString (output->options, + relation); + if (relative_name) + break; + } + if (relative_name) + user_conf = TRUE; + + modes[o] = xf86OutputHasUserPreferredMode(output); + if (modes[o]) + user_conf = TRUE; + } + + return user_conf; +} + +static Bool +xf86InitialOutputPositions (ScrnInfoPtr scrn, DisplayModePtr *modes) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + int min_x, min_y; + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + output->initial_x = output->initial_y = POSITION_UNSET; + } + + /* + * Loop until all outputs are set + */ + for (;;) + { + Bool any_set = FALSE; + Bool keep_going = FALSE; + + for (o = 0; o < config->num_output; o++) + { + static const OutputOpts relations[] = { + OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF + }; + xf86OutputPtr output = config->output[o]; + xf86OutputPtr relative; + char *relative_name; + char *position; + OutputOpts relation; + int r; + + if (output->initial_x != POSITION_UNSET) + continue; + position = xf86GetOptValString (output->options, + OPTION_POSITION); + /* + * Absolute position wins + */ + if (position) + { + int x, y; + if (sscanf (position, "%d %d", &x, &y) == 2) + { + output->initial_x = x; + output->initial_y = y; + } + else + { + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Output %s position not of form \"x y\"\n", + output->name); + output->initial_x = output->initial_y = 0; + } + any_set = TRUE; + continue; + } + /* + * Next comes relative positions + */ + relation = 0; + relative_name = NULL; + for (r = 0; r < 4; r++) + { + relation = relations[r]; + relative_name = xf86GetOptValString (output->options, + relation); + if (relative_name) + break; + } + if (relative_name) + { + int or; + relative = NULL; + for (or = 0; or < config->num_output; or++) + { + xf86OutputPtr out_rel = config->output[or]; + XF86ConfMonitorPtr rel_mon = out_rel->conf_monitor; + + if (rel_mon) + { + if (xf86nameCompare (rel_mon->mon_identifier, + relative_name) == 0) + { + relative = config->output[or]; + break; + } + } + if (strcmp (out_rel->name, relative_name) == 0) + { + relative = config->output[or]; + break; + } + } + if (!relative) + { + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Cannot position output %s relative to unknown output %s\n", + output->name, relative_name); + output->initial_x = 0; + output->initial_y = 0; + any_set = TRUE; + continue; + } + if (!modes[or]) + { + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Cannot position output %s relative to output %s without modes\n", + output->name, relative_name); + output->initial_x = 0; + output->initial_y = 0; + any_set = TRUE; + continue; + } + if (relative->initial_x == POSITION_UNSET) + { + keep_going = TRUE; + continue; + } + output->initial_x = relative->initial_x; + output->initial_y = relative->initial_y; + switch (relation) { + case OPTION_BELOW: + output->initial_y += xf86ModeHeight (modes[or], relative->initial_rotation); + break; + case OPTION_RIGHT_OF: + output->initial_x += xf86ModeWidth (modes[or], relative->initial_rotation); + break; + case OPTION_ABOVE: + if (modes[o]) + output->initial_y -= xf86ModeHeight (modes[o], output->initial_rotation); + break; + case OPTION_LEFT_OF: + if (modes[o]) + output->initial_x -= xf86ModeWidth (modes[o], output->initial_rotation); + break; + default: + break; + } + any_set = TRUE; + continue; + } + + /* Nothing set, just stick them at 0,0 */ + output->initial_x = 0; + output->initial_y = 0; + any_set = TRUE; + } + if (!keep_going) + break; + if (!any_set) + { + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + if (output->initial_x == POSITION_UNSET) + { + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Output position loop. Moving %s to 0,0\n", + output->name); + output->initial_x = output->initial_y = 0; + break; + } + } + } + } + + /* + * normalize positions + */ + min_x = 1000000; + min_y = 1000000; + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + if (output->initial_x < min_x) + min_x = output->initial_x; + if (output->initial_y < min_y) + min_y = output->initial_y; + } + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + output->initial_x -= min_x; + output->initial_y -= min_y; + } + return TRUE; +} + +static void +xf86InitialPanning (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + char *panning = xf86GetOptValString (output->options, OPTION_PANNING); + int width, height, left, top; + int track_width, track_height, track_left, track_top; + int brdr[4]; + + memset (&output->initialTotalArea, 0, sizeof(BoxRec)); + memset (&output->initialTrackingArea, 0, sizeof(BoxRec)); + memset (output->initialBorder, 0, 4*sizeof(INT16)); + + if (! panning) + continue; + + switch (sscanf (panning, "%dx%d+%d+%d/%dx%d+%d+%d/%d/%d/%d/%d", + &width, &height, &left, &top, + &track_width, &track_height, &track_left, &track_top, + &brdr[0], &brdr[1], &brdr[2], &brdr[3])) { + case 12: + output->initialBorder[0] = brdr[0]; + output->initialBorder[1] = brdr[1]; + output->initialBorder[2] = brdr[2]; + output->initialBorder[3] = brdr[3]; + /* fall through */ + case 8: + output->initialTrackingArea.x1 = track_left; + output->initialTrackingArea.y1 = track_top; + output->initialTrackingArea.x2 = track_left + track_width; + output->initialTrackingArea.y2 = track_top + track_height; + /* fall through */ + case 4: + output->initialTotalArea.x1 = left; + output->initialTotalArea.y1 = top; + /* fall through */ + case 2: + output->initialTotalArea.x2 = output->initialTotalArea.x1 + width; + output->initialTotalArea.y2 = output->initialTotalArea.y1 + height; + break; + default: + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Broken panning specification '%s' for output %s in config file\n", + panning, output->name); + } + } +} + +/** Return - 0 + if a should be earlier, same or later than b in list + */ +static int +xf86ModeCompare (DisplayModePtr a, DisplayModePtr b) +{ + int diff; + + diff = ((b->type & M_T_PREFERRED) != 0) - ((a->type & M_T_PREFERRED) != 0); + if (diff) + return diff; + diff = b->HDisplay * b->VDisplay - a->HDisplay * a->VDisplay; + if (diff) + return diff; + diff = b->Clock - a->Clock; + return diff; +} + +/** + * Insertion sort input in-place and return the resulting head + */ +static DisplayModePtr +xf86SortModes (DisplayModePtr input) +{ + DisplayModePtr output = NULL, i, o, n, *op, prev; + + /* sort by preferred status and pixel area */ + while (input) + { + i = input; + input = input->next; + for (op = &output; (o = *op); op = &o->next) + if (xf86ModeCompare (o, i) > 0) + break; + i->next = *op; + *op = i; + } + /* prune identical modes */ + for (o = output; o && (n = o->next); o = n) + { + if (!strcmp (o->name, n->name) && xf86ModesEqual (o, n)) + { + o->next = n->next; + free(n->name); + free(n); + n = o; + } + } + /* hook up backward links */ + prev = NULL; + for (o = output; o; o = o->next) + { + o->prev = prev; + prev = o; + } + return output; +} + +static char * +preferredMode(ScrnInfoPtr pScrn, xf86OutputPtr output) +{ + char *preferred_mode = NULL; + + /* Check for a configured preference for a particular mode */ + preferred_mode = xf86GetOptValString (output->options, + OPTION_PREFERRED_MODE); + if (preferred_mode) + return preferred_mode; + + if (pScrn->display->modes && *pScrn->display->modes) + preferred_mode = *pScrn->display->modes; + + return preferred_mode; +} + +static void +GuessRangeFromModes(MonPtr mon, DisplayModePtr mode) +{ + if (!mon || !mode) + return; + + mon->nHsync = 1; + mon->hsync[0].lo = 1024.0; + mon->hsync[0].hi = 0.0; + + mon->nVrefresh = 1; + mon->vrefresh[0].lo = 1024.0; + mon->vrefresh[0].hi = 0.0; + + while (mode) { + if (!mode->HSync) + mode->HSync = ((float) mode->Clock ) / ((float) mode->HTotal); + + if (!mode->VRefresh) + mode->VRefresh = (1000.0 * ((float) mode->Clock)) / + ((float) (mode->HTotal * mode->VTotal)); + + if (mode->HSync < mon->hsync[0].lo) + mon->hsync[0].lo = mode->HSync; + + if (mode->HSync > mon->hsync[0].hi) + mon->hsync[0].hi = mode->HSync; + + if (mode->VRefresh < mon->vrefresh[0].lo) + mon->vrefresh[0].lo = mode->VRefresh; + + if (mode->VRefresh > mon->vrefresh[0].hi) + mon->vrefresh[0].hi = mode->VRefresh; + + mode = mode->next; + } + + /* stretch out the bottom to fit 640x480@60 */ + if (mon->hsync[0].lo > 31.0) + mon->hsync[0].lo = 31.0; + if (mon->vrefresh[0].lo > 58.0) + mon->vrefresh[0].lo = 58.0; +} + +enum det_monrec_source { + sync_config, sync_edid, sync_default +}; + +struct det_monrec_parameter { + MonRec *mon_rec; + int *max_clock; + Bool set_hsync; + Bool set_vrefresh; + enum det_monrec_source *sync_source; +}; + +static void handle_detailed_monrec(struct detailed_monitor_section *det_mon, + void *data) +{ + struct det_monrec_parameter *p; + p = (struct det_monrec_parameter *)data; + + if (det_mon->type == DS_RANGES) { + struct monitor_ranges *ranges = &det_mon->section.ranges; + if (p->set_hsync && ranges->max_h) { + p->mon_rec->hsync[p->mon_rec->nHsync].lo = ranges->min_h; + p->mon_rec->hsync[p->mon_rec->nHsync].hi = ranges->max_h; + p->mon_rec->nHsync++; + if (*p->sync_source == sync_default) + *p->sync_source = sync_edid; + } + if (p->set_vrefresh && ranges->max_v) { + p->mon_rec->vrefresh[p->mon_rec->nVrefresh].lo = ranges->min_v; + p->mon_rec->vrefresh[p->mon_rec->nVrefresh].hi = ranges->max_v; + p->mon_rec->nVrefresh++; + if (*p->sync_source == sync_default) + *p->sync_source = sync_edid; + } + if (ranges->max_clock * 1000 > *p->max_clock) + *p->max_clock = ranges->max_clock * 1000; + } +} + +void +xf86ProbeOutputModes (ScrnInfoPtr scrn, int maxX, int maxY) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + + /* When canGrow was TRUE in the initial configuration we have to + * compare against the maximum values so that we don't drop modes. + * When canGrow was FALSE, the maximum values would have been clamped + * anyway. + */ + if (maxX == 0 || maxY == 0) { + maxX = config->maxWidth; + maxY = config->maxHeight; + } + + /* Probe the list of modes for each output. */ + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + DisplayModePtr mode; + DisplayModePtr config_modes = NULL, output_modes, default_modes = NULL; + char *preferred_mode; + xf86MonPtr edid_monitor; + XF86ConfMonitorPtr conf_monitor; + MonRec mon_rec; + int min_clock = 0; + int max_clock = 0; + double clock; + Bool add_default_modes; + Bool debug_modes = config->debug_modes || + xf86Initialising; + enum det_monrec_source sync_source = sync_default; + + while (output->probed_modes != NULL) + xf86DeleteMode(&output->probed_modes, output->probed_modes); + + /* + * Check connection status + */ + output->status = (*output->funcs->detect)(output); + + if (output->status == XF86OutputStatusDisconnected && + !xf86ReturnOptValBool(output->options, OPTION_ENABLE, FALSE)) + { + xf86OutputSetEDID (output, NULL); + continue; + } + + memset (&mon_rec, '\0', sizeof (mon_rec)); + + conf_monitor = output->conf_monitor; + + if (conf_monitor) + { + int i; + + for (i = 0; i < conf_monitor->mon_n_hsync; i++) + { + mon_rec.hsync[mon_rec.nHsync].lo = conf_monitor->mon_hsync[i].lo; + mon_rec.hsync[mon_rec.nHsync].hi = conf_monitor->mon_hsync[i].hi; + mon_rec.nHsync++; + sync_source = sync_config; + } + for (i = 0; i < conf_monitor->mon_n_vrefresh; i++) + { + mon_rec.vrefresh[mon_rec.nVrefresh].lo = conf_monitor->mon_vrefresh[i].lo; + mon_rec.vrefresh[mon_rec.nVrefresh].hi = conf_monitor->mon_vrefresh[i].hi; + mon_rec.nVrefresh++; + sync_source = sync_config; + } + config_modes = xf86GetMonitorModes (scrn, conf_monitor); + } + + output_modes = (*output->funcs->get_modes) (output); + + /* + * If the user has a preference, respect it. + * Otherwise, don't second-guess the driver. + */ + if (!xf86GetOptValBool(output->options, OPTION_DEFAULT_MODES, + &add_default_modes)) + add_default_modes = (output_modes == NULL); + + edid_monitor = output->MonInfo; + + if (edid_monitor) + { + struct det_monrec_parameter p; + struct disp_features *features = &edid_monitor->features; + + /* if display is not continuous-frequency, don't add default modes */ + if (!GTF_SUPPORTED(features->msc)) + add_default_modes = FALSE; + + p.mon_rec = &mon_rec; + p.max_clock = &max_clock; + p.set_hsync = mon_rec.nHsync == 0; + p.set_vrefresh = mon_rec.nVrefresh == 0; + p.sync_source = &sync_source; + + xf86ForEachDetailedBlock(edid_monitor, + handle_detailed_monrec, + &p); + } + + if (xf86GetOptValFreq (output->options, OPTION_MIN_CLOCK, + OPTUNITS_KHZ, &clock)) + min_clock = (int) clock; + if (xf86GetOptValFreq (output->options, OPTION_MAX_CLOCK, + OPTUNITS_KHZ, &clock)) + max_clock = (int) clock; + + /* If we still don't have a sync range, guess wildly */ + if (!mon_rec.nHsync || !mon_rec.nVrefresh) + GuessRangeFromModes(&mon_rec, output_modes); + + /* + * These limits will end up setting a 1024x768@60Hz mode by default, + * which seems like a fairly good mode to use when nothing else is + * specified + */ + if (mon_rec.nHsync == 0) + { + mon_rec.hsync[0].lo = 31.0; + mon_rec.hsync[0].hi = 55.0; + mon_rec.nHsync = 1; + } + if (mon_rec.nVrefresh == 0) + { + mon_rec.vrefresh[0].lo = 58.0; + mon_rec.vrefresh[0].hi = 62.0; + mon_rec.nVrefresh = 1; + } + + if (add_default_modes) + default_modes = xf86GetDefaultModes (); + + /* + * If this is not an RB monitor, remove RB modes from the default + * pool. RB modes from the config or the monitor itself are fine. + */ + if (!mon_rec.reducedblanking) + xf86ValidateModesReducedBlanking (scrn, default_modes); + + if (sync_source == sync_config) + { + /* + * Check output and config modes against sync range from config file + */ + xf86ValidateModesSync (scrn, output_modes, &mon_rec); + xf86ValidateModesSync (scrn, config_modes, &mon_rec); + } + /* + * Check default modes against sync range + */ + xf86ValidateModesSync (scrn, default_modes, &mon_rec); + /* + * Check default modes against monitor max clock + */ + if (max_clock) { + xf86ValidateModesClocks(scrn, default_modes, + &min_clock, &max_clock, 1); + xf86ValidateModesClocks(scrn, output_modes, + &min_clock, &max_clock, 1); + } + + output->probed_modes = NULL; + output->probed_modes = xf86ModesAdd (output->probed_modes, config_modes); + output->probed_modes = xf86ModesAdd (output->probed_modes, output_modes); + output->probed_modes = xf86ModesAdd (output->probed_modes, default_modes); + + /* + * Check all modes against max size, interlace, and doublescan + */ + if (maxX && maxY) + xf86ValidateModesSize (scrn, output->probed_modes, + maxX, maxY, 0); + + { + int flags = (output->interlaceAllowed ? V_INTERLACE : 0) | + (output->doubleScanAllowed ? V_DBLSCAN : 0); + xf86ValidateModesFlags (scrn, output->probed_modes, flags); + } + + /* + * Check all modes against output + */ + for (mode = output->probed_modes; mode != NULL; mode = mode->next) + if (mode->status == MODE_OK) + mode->status = (*output->funcs->mode_valid)(output, mode); + + xf86PruneInvalidModes(scrn, &output->probed_modes, debug_modes); + + output->probed_modes = xf86SortModes (output->probed_modes); + + /* Check for a configured preference for a particular mode */ + preferred_mode = preferredMode(scrn, output); + + if (preferred_mode) + { + for (mode = output->probed_modes; mode; mode = mode->next) + { + if (!strcmp (preferred_mode, mode->name)) + { + if (mode != output->probed_modes) + { + if (mode->prev) + mode->prev->next = mode->next; + if (mode->next) + mode->next->prev = mode->prev; + mode->next = output->probed_modes; + output->probed_modes->prev = mode; + mode->prev = NULL; + output->probed_modes = mode; + } + mode->type |= (M_T_PREFERRED|M_T_USERPREF); + break; + } + } + } + + output->initial_rotation = xf86OutputInitialRotation (output); + + if (debug_modes) { + if (output->probed_modes != NULL) { + xf86DrvMsg(scrn->scrnIndex, X_INFO, + "Printing probed modes for output %s\n", + output->name); + } else { + xf86DrvMsg(scrn->scrnIndex, X_INFO, + "No remaining probed modes for output %s\n", + output->name); + } + } + for (mode = output->probed_modes; mode != NULL; mode = mode->next) + { + /* The code to choose the best mode per pipe later on will require + * VRefresh to be set. + */ + mode->VRefresh = xf86ModeVRefresh(mode); + xf86SetModeCrtc(mode, INTERLACE_HALVE_V); + + if (debug_modes) + xf86PrintModeline(scrn->scrnIndex, mode); + } + } +} + + +/** + * Copy one of the output mode lists to the ScrnInfo record + */ + +/* XXX where does this function belong? Here? */ +void +xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr scrn, int *x, int *y); + +static DisplayModePtr +biggestMode(DisplayModePtr a, DisplayModePtr b) +{ + int A, B; + + if (!a) + return b; + if (!b) + return a; + + A = a->HDisplay * a->VDisplay; + B = b->HDisplay * b->VDisplay; + + if (A > B) + return a; + + return b; +} + +static xf86OutputPtr +SetCompatOutput(xf86CrtcConfigPtr config) +{ + xf86OutputPtr output = NULL, test = NULL; + DisplayModePtr maxmode = NULL, testmode, mode; + int o, compat = -1, count, mincount = 0; + + /* Look for one that's definitely connected */ + for (o = 0; o < config->num_output; o++) + { + test = config->output[o]; + if (!test->crtc) + continue; + if (test->status != XF86OutputStatusConnected) + continue; + if (!test->probed_modes) + continue; + + testmode = mode = test->probed_modes; + for (count = 0; mode; mode = mode->next, count++) + testmode = biggestMode(testmode, mode); + + if (!output) { + output = test; + compat = o; + maxmode = testmode; + mincount = count; + } else if (maxmode == biggestMode(maxmode, testmode)) { + output = test; + compat = o; + maxmode = testmode; + mincount = count; + } else if ((maxmode->HDisplay == testmode->HDisplay) && + (maxmode->VDisplay == testmode->VDisplay) && + count <= mincount) { + output = test; + compat = o; + maxmode = testmode; + mincount = count; + } + } + + /* If we didn't find one, take anything we can get */ + if (!output) + { + for (o = 0; o < config->num_output; o++) + { + test = config->output[o]; + if (!test->crtc) + continue; + if (!test->probed_modes) + continue; + + if (!output) { + output = test; + compat = o; + } else if (test->probed_modes->HDisplay < output->probed_modes->HDisplay) { + output = test; + compat = o; + } + } + } + + if (compat >= 0) { + config->compat_output = compat; + } else { + /* Don't change the compat output when no valid outputs found */ + output = config->output[config->compat_output]; + } + + return output; +} + +void +xf86SetScrnInfoModes (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + xf86OutputPtr output; + xf86CrtcPtr crtc; + DisplayModePtr last, mode = NULL; + + output = SetCompatOutput(config); + + if (!output) + return; /* punt */ + + crtc = output->crtc; + + /* Clear any existing modes from scrn->modes */ + while (scrn->modes != NULL) + xf86DeleteMode(&scrn->modes, scrn->modes); + + /* Set scrn->modes to the mode list for the 'compat' output */ + scrn->modes = xf86DuplicateModes(scrn, output->probed_modes); + + if (crtc) { + for (mode = scrn->modes; mode; mode = mode->next) + if (xf86ModesEqual (mode, &crtc->desiredMode)) + break; + } + + if (scrn->modes != NULL) { + /* For some reason, scrn->modes is circular, unlike the other mode + * lists. How great is that? + */ + for (last = scrn->modes; last && last->next; last = last->next) + ; + last->next = scrn->modes; + scrn->modes->prev = last; + if (mode) { + while (scrn->modes != mode) + scrn->modes = scrn->modes->next; + } + } + scrn->currentMode = scrn->modes; +#ifdef XFreeXDGA + if (scrn->pScreen) + _xf86_di_dga_reinit_internal(scrn->pScreen); +#endif +} + +static Bool +xf86CollectEnabledOutputs(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, + Bool *enabled) +{ + Bool any_enabled = FALSE; + int o; + + for (o = 0; o < config->num_output; o++) + any_enabled |= enabled[o] = xf86OutputEnabled(config->output[o], TRUE); + + if (!any_enabled) { + xf86DrvMsg(scrn->scrnIndex, X_WARNING, + "No outputs definitely connected, trying again...\n"); + + for (o = 0; o < config->num_output; o++) + any_enabled |= enabled[o] = xf86OutputEnabled(config->output[o], FALSE); + } + + return any_enabled; +} + +static Bool +nextEnabledOutput(xf86CrtcConfigPtr config, Bool *enabled, int *index) +{ + int o = *index; + + for (o++; o < config->num_output; o++) { + if (enabled[o]) { + *index = o; + return TRUE; + } + } + + return FALSE; +} + +static Bool +aspectMatch(float a, float b) +{ + return fabs(1 - (a / b)) < 0.05; +} + +static DisplayModePtr +nextAspectMode(xf86OutputPtr o, DisplayModePtr last, float aspect) +{ + DisplayModePtr m = NULL; + + if (!o) + return NULL; + + if (!last) + m = o->probed_modes; + else + m = last->next; + + for (; m; m = m->next) + if (aspectMatch(aspect, (float)m->HDisplay / (float)m->VDisplay)) + return m; + + return NULL; +} + +static DisplayModePtr +bestModeForAspect(xf86CrtcConfigPtr config, Bool *enabled, float aspect) +{ + int o = -1, p; + DisplayModePtr mode = NULL, test = NULL, match = NULL; + + if (!nextEnabledOutput(config, enabled, &o)) + return NULL; + while ((mode = nextAspectMode(config->output[o], mode, aspect))) { + test = mode; + for (p = o; nextEnabledOutput(config, enabled, &p); ) { + test = xf86OutputFindClosestMode(config->output[p], mode); + if (!test) + break; + if (test->HDisplay != mode->HDisplay || + test->VDisplay != mode->VDisplay) { + test = NULL; + break; + } + } + + /* if we didn't match it on all outputs, try the next one */ + if (!test) + continue; + + /* if it's bigger than the last one, save it */ + if (!match || (test->HDisplay > match->HDisplay)) + match = test; + } + + /* return the biggest one found */ + return match; +} + +static Bool +xf86TargetPreferred(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, + DisplayModePtr *modes, Bool *enabled, + int width, int height) +{ + int o, p; + int max_pref_width = 0, max_pref_height = 0; + DisplayModePtr *preferred, *preferred_match; + Bool ret = FALSE; + + preferred = xnfcalloc(config->num_output, sizeof(DisplayModePtr)); + preferred_match = xnfcalloc(config->num_output, sizeof(DisplayModePtr)); + + /* Check if the preferred mode is available on all outputs */ + for (p = -1; nextEnabledOutput(config, enabled, &p); ) { + Rotation r = config->output[p]->initial_rotation; + DisplayModePtr mode; + if ((preferred[p] = xf86OutputHasPreferredMode(config->output[p], + width, height))) { + int pref_width = xf86ModeWidth(preferred[p], r); + int pref_height = xf86ModeHeight(preferred[p], r); + Bool all_match = TRUE; + + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + Bool match = FALSE; + xf86OutputPtr output = config->output[o]; + if (o == p) + continue; + + for (mode = output->probed_modes; mode; mode = mode->next) { + Rotation r = output->initial_rotation; + if (xf86ModeWidth(mode, r) == pref_width && + xf86ModeHeight(mode, r) == pref_height) { + preferred[o] = mode; + match = TRUE; + } + } + + all_match &= match; + } + + if (all_match && + (pref_width*pref_height > max_pref_width*max_pref_height)) { + for (o = -1; nextEnabledOutput(config, enabled, &o); ) + preferred_match[o] = preferred[o]; + max_pref_width = pref_width; + max_pref_height = pref_height; + ret = TRUE; + } + } + } + + /* + * If there's no preferred mode, but only one monitor, pick the + * biggest mode for its aspect ratio, assuming one exists. + */ + if (!ret) do { + int i = 0; + float aspect = 0.0; + + /* count the number of enabled outputs */ + for (i = 0, p = -1; nextEnabledOutput(config, enabled, &p); i++) ; + + if (i != 1) + break; + + p = -1; + nextEnabledOutput(config, enabled, &p); + if (config->output[p]->mm_height) + aspect = (float)config->output[p]->mm_width / + (float)config->output[p]->mm_height; + + if (aspect) + preferred_match[p] = bestModeForAspect(config, enabled, aspect); + + if (preferred_match[p]) + ret = TRUE; + + } while (0); + + if (ret) { + /* oh good, there is a match. stash the selected modes and return. */ + memcpy(modes, preferred_match, + config->num_output * sizeof(DisplayModePtr)); + } + + free(preferred); + free(preferred_match); + return ret; +} + +static Bool +xf86TargetAspect(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, + DisplayModePtr *modes, Bool *enabled, + int width, int height) +{ + int o; + float aspect = 0.0, *aspects; + xf86OutputPtr output; + Bool ret = FALSE; + DisplayModePtr guess = NULL, aspect_guess = NULL, base_guess = NULL; + + aspects = xnfcalloc(config->num_output, sizeof(float)); + + /* collect the aspect ratios */ + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + output = config->output[o]; + if (output->mm_height) + aspects[o] = (float)output->mm_width / (float)output->mm_height; + else + aspects[o] = 4.0 / 3.0; + } + + /* check that they're all the same */ + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + output = config->output[o]; + if (!aspect) { + aspect = aspects[o]; + } else if (!aspectMatch(aspect, aspects[o])) { + goto no_aspect_match; + } + } + + /* if they're all 4:3, just skip ahead and save effort */ + if (!aspectMatch(aspect, 4.0/3.0)) + aspect_guess = bestModeForAspect(config, enabled, aspect); + +no_aspect_match: + base_guess = bestModeForAspect(config, enabled, 4.0/3.0); + + guess = biggestMode(base_guess, aspect_guess); + + if (!guess) + goto out; + + /* found a mode that works everywhere, now apply it */ + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + modes[o] = xf86OutputFindClosestMode(config->output[o], guess); + } + ret = TRUE; + +out: + free(aspects); + return ret; +} + +static Bool +xf86TargetFallback(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, + DisplayModePtr *modes, Bool *enabled, + int width, int height) +{ + DisplayModePtr target_mode = NULL; + Rotation target_rotation = RR_Rotate_0; + DisplayModePtr default_mode; + int default_preferred, target_preferred = 0, o; + + /* User preferred > preferred > other modes */ + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + default_mode = xf86DefaultMode (config->output[o], width, height); + if (!default_mode) + continue; + + default_preferred = (((default_mode->type & M_T_PREFERRED) != 0) + + ((default_mode->type & M_T_USERPREF) != 0)); + + if (default_preferred > target_preferred || !target_mode) { + target_mode = default_mode; + target_preferred = default_preferred; + target_rotation = config->output[o]->initial_rotation; + config->compat_output = o; + } + } + + if (target_mode) + modes[config->compat_output] = target_mode; + + /* Fill in other output modes */ + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + if (!modes[o]) + modes[o] = xf86ClosestMode(config->output[o], target_mode, + target_rotation, width, height); + } + + return target_mode != NULL; +} + +static Bool +xf86TargetUserpref(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, + DisplayModePtr *modes, Bool *enabled, + int width, int height) +{ + int o; + + if (xf86UserConfiguredOutputs(scrn, modes)) + return xf86TargetFallback(scrn, config, modes, enabled, width, height); + + for (o = -1; nextEnabledOutput(config, enabled, &o); ) + if (xf86OutputHasUserPreferredMode(config->output[o])) + return + xf86TargetFallback(scrn, config, modes, enabled, width, height); + + return FALSE; +} + +static Bool +xf86CrtcSetInitialGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green, + float gamma_blue) +{ + int i, size = 256; + CARD16 *red, *green, *blue; + + red = malloc(3 * size * sizeof(CARD16)); + green = red + size; + blue = green + size; + + /* Only cause warning if user wanted gamma to be set. */ + if (!crtc->funcs->gamma_set && (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0)) { + free(red); + return FALSE; + } else if (!crtc->funcs->gamma_set) { + free(red); + return TRUE; + } + + /* At this early stage none of the randr-interface stuff is up. + * So take the default gamma size for lack of something better. + */ + for (i = 0; i < size; i++) { + if (gamma_red == 1.0) + red[i] = i << 8; + else + red[i] = (CARD16)(pow((double)i/(double)(size - 1), + 1. / (double)gamma_red) * (double)(size - 1) * 256); + + if (gamma_green == 1.0) + green[i] = i << 8; + else + green[i] = (CARD16)(pow((double)i/(double)(size - 1), + 1. / (double)gamma_green) * (double)(size - 1) * 256); + + if (gamma_blue == 1.0) + blue[i] = i << 8; + else + blue[i] = (CARD16)(pow((double)i/(double)(size - 1), + 1. / (double)gamma_blue) * (double)(size - 1) * 256); + } + + /* Default size is 256, so anything else is failure. */ + if (size != crtc->gamma_size) { + free(red); + return FALSE; + } + + crtc->gamma_size = size; + memcpy (crtc->gamma_red, red, crtc->gamma_size * sizeof (CARD16)); + memcpy (crtc->gamma_green, green, crtc->gamma_size * sizeof (CARD16)); + memcpy (crtc->gamma_blue, blue, crtc->gamma_size * sizeof (CARD16)); + + /* Do not set gamma now, delay until the crtc is activated. */ + + free(red); + + return TRUE; +} + +static Bool +xf86OutputSetInitialGamma(xf86OutputPtr output) +{ + XF86ConfMonitorPtr mon = output->conf_monitor; + float gamma_red = 1.0, gamma_green = 1.0, gamma_blue = 1.0; + + if (!mon) + return TRUE; + + if (!output->crtc) + return FALSE; + + /* 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; + + /* This avoids setting gamma 1.0 in case another cloned output on this crtc has a specific gamma. */ + if (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0) { + xf86DrvMsg(output->scrn->scrnIndex, X_INFO, "Output %s wants gamma correction (%.1f, %.1f, %.1f)\n", output->name, gamma_red, gamma_green, gamma_blue); + return xf86CrtcSetInitialGamma(output->crtc, gamma_red, gamma_green, gamma_blue); + }else + return TRUE; +} + +/** + * Construct default screen configuration + * + * Given auto-detected (and, eventually, configured) values, + * construct a usable configuration for the system + * + * canGrow indicates that the driver can resize the screen to larger than its + * initially configured size via the config->funcs->resize hook. If TRUE, this + * function will set virtualX and virtualY to match the initial configuration + * and leave config->max{Width,Height} alone. If FALSE, it will bloat + * virtual[XY] to include the largest modes and set config->max{Width,Height} + * accordingly. + */ + +Bool +xf86InitialConfiguration (ScrnInfoPtr scrn, Bool canGrow) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o, c; + xf86CrtcPtr *crtcs; + DisplayModePtr *modes; + Bool *enabled; + int width, height; + int i = scrn->scrnIndex; + Bool have_outputs = TRUE; + Bool ret; + + /* Set up the device options */ + config->options = xnfalloc (sizeof (xf86DeviceOptions)); + memcpy (config->options, xf86DeviceOptions, sizeof (xf86DeviceOptions)); + xf86ProcessOptions (scrn->scrnIndex, + scrn->options, + config->options); + config->debug_modes = xf86ReturnOptValBool (config->options, + OPTION_MODEDEBUG, FALSE); + + if (scrn->display->virtualX) + width = scrn->display->virtualX; + else + width = config->maxWidth; + if (scrn->display->virtualY) + height = scrn->display->virtualY; + else + height = config->maxHeight; + + xf86ProbeOutputModes (scrn, width, height); + + crtcs = xnfcalloc (config->num_output, sizeof (xf86CrtcPtr)); + modes = xnfcalloc (config->num_output, sizeof (DisplayModePtr)); + enabled = xnfcalloc (config->num_output, sizeof (Bool)); + + ret = xf86CollectEnabledOutputs(scrn, config, enabled); + if (ret == FALSE && canGrow) { + xf86DrvMsg(i, X_WARNING, "Unable to find connected outputs - setting %dx%d initial framebuffer\n", + NO_OUTPUT_DEFAULT_WIDTH, NO_OUTPUT_DEFAULT_HEIGHT); + have_outputs = FALSE; + } else { + if (xf86TargetUserpref(scrn, config, modes, enabled, width, height)) + xf86DrvMsg(i, X_INFO, "Using user preference for initial modes\n"); + else if (xf86TargetPreferred(scrn, config, modes, enabled, width, height)) + xf86DrvMsg(i, X_INFO, "Using exact sizes for initial modes\n"); + else if (xf86TargetAspect(scrn, config, modes, enabled, width, height)) + xf86DrvMsg(i, X_INFO, "Using fuzzy aspect match for initial modes\n"); + else if (xf86TargetFallback(scrn, config, modes, enabled, width, height)) + xf86DrvMsg(i, X_INFO, "Using sloppy heuristic for initial modes\n"); + else + xf86DrvMsg(i, X_WARNING, "Unable to find initial modes\n"); + } + + for (o = -1; nextEnabledOutput(config, enabled, &o); ) { + if (!modes[o]) + xf86DrvMsg (scrn->scrnIndex, X_ERROR, + "Output %s enabled but has no modes\n", + config->output[o]->name); + else + xf86DrvMsg (scrn->scrnIndex, X_INFO, + "Output %s using initial mode %s\n", + config->output[o]->name, modes[o]->name); + } + + /* + * Set the position of each output + */ + if (!xf86InitialOutputPositions (scrn, modes)) + { + free(crtcs); + free(modes); + return FALSE; + } + + /* + * Set initial panning of each output + */ + xf86InitialPanning (scrn); + + /* + * Assign CRTCs to fit output configuration + */ + if (have_outputs && !xf86PickCrtcs (scrn, crtcs, modes, 0, width, height)) + { + free(crtcs); + free(modes); + return FALSE; + } + + /* XXX override xf86 common frame computation code */ + + scrn->display->frameX0 = 0; + scrn->display->frameY0 = 0; + + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + + crtc->enabled = FALSE; + memset (&crtc->desiredMode, '\0', sizeof (crtc->desiredMode)); + /* Set default gamma for all crtc's. */ + /* This is done to avoid problems later on with cloned outputs. */ + xf86CrtcSetInitialGamma(crtc, 1.0, 1.0, 1.0); + } + + if (xf86_crtc_supports_gamma(scrn)) + xf86DrvMsg(scrn->scrnIndex, X_INFO, "Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.\n"); + + /* + * Set initial configuration + */ + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + DisplayModePtr mode = modes[o]; + xf86CrtcPtr crtc = crtcs[o]; + + if (mode && crtc) + { + crtc->desiredMode = *mode; + crtc->desiredRotation = output->initial_rotation; + crtc->desiredX = output->initial_x; + crtc->desiredY = output->initial_y; + crtc->desiredTransformPresent = FALSE; + crtc->enabled = TRUE; + memcpy (&crtc->panningTotalArea, &output->initialTotalArea, sizeof(BoxRec)); + memcpy (&crtc->panningTrackingArea, &output->initialTrackingArea, sizeof(BoxRec)); + memcpy (crtc->panningBorder, output->initialBorder, 4*sizeof(INT16)); + output->crtc = crtc; + if (!xf86OutputSetInitialGamma(output)) + xf86DrvMsg (scrn->scrnIndex, X_WARNING, "Initial gamma correction for output %s: failed.\n", output->name); + } else { + output->crtc = NULL; + } + } + + if (scrn->display->virtualX == 0) + { + /* + * Expand virtual size to cover the current config and potential mode + * switches, if the driver can't enlarge the screen later. + */ + xf86DefaultScreenLimits (scrn, &width, &height, canGrow); + + if (have_outputs == FALSE) { + if (width < NO_OUTPUT_DEFAULT_WIDTH && height < NO_OUTPUT_DEFAULT_HEIGHT) { + width = NO_OUTPUT_DEFAULT_WIDTH; + height = NO_OUTPUT_DEFAULT_HEIGHT; + } + } + + scrn->display->virtualX = width; + scrn->display->virtualY = height; + } + + if (width > scrn->virtualX) + scrn->virtualX = width; + if (height > scrn->virtualY) + scrn->virtualY = height; + + /* + * Make sure the configuration isn't too small. + */ + if (width < config->minWidth || height < config->minHeight) + return FALSE; + + /* + * Limit the crtc config to virtual[XY] if the driver can't grow the + * desktop. + */ + if (!canGrow) + { + xf86CrtcSetSizeRange (scrn, config->minWidth, config->minHeight, + width, height); + } + + if (have_outputs) { + /* Mirror output modes to scrn mode list */ + xf86SetScrnInfoModes (scrn); + } else { + /* Clear any existing modes from scrn->modes */ + while (scrn->modes != NULL) + xf86DeleteMode(&scrn->modes, scrn->modes); + scrn->modes = xf86ModesAdd(scrn->modes, + xf86CVTMode(width, height, 60, 0, 0)); + } + + + free(crtcs); + free(modes); + return TRUE; +} + +/* + * Check the CRTC we're going to map each output to vs. it's current + * CRTC. If they don't match, we have to disable the output and the CRTC + * since the driver will have to re-route things. + */ +static void +xf86PrepareOutputs (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int o; + + for (o = 0; o < config->num_output; o++) { + xf86OutputPtr output = config->output[o]; +#if RANDR_GET_CRTC_INTERFACE + /* Disable outputs that are unused or will be re-routed */ + if (!output->funcs->get_crtc || + output->crtc != (*output->funcs->get_crtc)(output) || + output->crtc == NULL) +#endif + (*output->funcs->dpms)(output, DPMSModeOff); + } +} + +static void +xf86PrepareCrtcs (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + for (c = 0; c < config->num_crtc; c++) { +#if RANDR_GET_CRTC_INTERFACE + xf86CrtcPtr crtc = config->crtc[c]; + xf86OutputPtr output = NULL; + uint32_t desired_outputs = 0, current_outputs = 0; + int o; + + for (o = 0; o < config->num_output; o++) { + output = config->output[o]; + if (output->crtc == crtc) + desired_outputs |= (1<<o); + /* If we can't tell where it's mapped, force it off */ + if (!output->funcs->get_crtc) { + desired_outputs = 0; + break; + } + if ((*output->funcs->get_crtc)(output) == crtc) + current_outputs |= (1<<o); + } + + /* + * If mappings are different or the CRTC is unused, + * we need to disable it + */ + if (desired_outputs != current_outputs || + !desired_outputs) + (*crtc->funcs->dpms)(crtc, DPMSModeOff); +#else + (*crtc->funcs->dpms)(crtc, DPMSModeOff); +#endif + } +} + +/* + * Using the desired mode information in each crtc, set + * modes (used in EnterVT functions, or at server startup) + */ + +Bool +xf86SetDesiredModes (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CrtcPtr crtc = config->crtc[0]; + int c; + + /* A driver with this hook will take care of this */ + if (!crtc->funcs->set_mode_major) { + xf86PrepareOutputs(scrn); + xf86PrepareCrtcs(scrn); + } + + for (c = 0; c < config->num_crtc; c++) + { + xf86OutputPtr output = NULL; + int o; + RRTransformPtr transform; + + crtc = config->crtc[c]; + + /* Skip disabled CRTCs */ + if (!crtc->enabled) + continue; + + if (xf86CompatOutput(scrn) && xf86CompatCrtc(scrn) == crtc) + output = xf86CompatOutput(scrn); + else + { + for (o = 0; o < config->num_output; o++) + if (config->output[o]->crtc == crtc) + { + output = config->output[o]; + break; + } + } + /* paranoia */ + if (!output) + continue; + + /* Mark that we'll need to re-set the mode for sure */ + memset(&crtc->mode, 0, sizeof(crtc->mode)); + if (!crtc->desiredMode.CrtcHDisplay) + { + DisplayModePtr mode = xf86OutputFindClosestMode (output, scrn->currentMode); + + if (!mode) + return FALSE; + crtc->desiredMode = *mode; + crtc->desiredRotation = RR_Rotate_0; + crtc->desiredTransformPresent = FALSE; + crtc->desiredX = 0; + crtc->desiredY = 0; + } + + if (crtc->desiredTransformPresent) + transform = &crtc->desiredTransform; + else + transform = NULL; + if (!xf86CrtcSetModeTransform (crtc, &crtc->desiredMode, crtc->desiredRotation, + transform, crtc->desiredX, crtc->desiredY)) + return FALSE; + } + + xf86DisableUnusedFunctions(scrn); + return TRUE; +} + +/** + * In the current world order, there are lists of modes per output, which may + * or may not include the mode that was asked to be set by XFree86's mode + * selection. Find the closest one, in the following preference order: + * + * - Equality + * - Closer in size to the requested mode, but no larger + * - Closer in refresh rate to the requested mode. + */ + +DisplayModePtr +xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired) +{ + DisplayModePtr best = NULL, scan = NULL; + + for (scan = output->probed_modes; scan != NULL; scan = scan->next) + { + /* If there's an exact match, we're done. */ + if (xf86ModesEqual(scan, desired)) { + best = desired; + break; + } + + /* Reject if it's larger than the desired mode. */ + if (scan->HDisplay > desired->HDisplay || + scan->VDisplay > desired->VDisplay) + { + continue; + } + + /* + * If we haven't picked a best mode yet, use the first + * one in the size range + */ + if (best == NULL) + { + best = scan; + continue; + } + + /* Find if it's closer to the right size than the current best + * option. + */ + if ((scan->HDisplay > best->HDisplay && + scan->VDisplay >= best->VDisplay) || + (scan->HDisplay >= best->HDisplay && + scan->VDisplay > best->VDisplay)) + { + best = scan; + continue; + } + + /* Find if it's still closer to the right refresh than the current + * best resolution. + */ + if (scan->HDisplay == best->HDisplay && + scan->VDisplay == best->VDisplay && + (fabs(scan->VRefresh - desired->VRefresh) < + fabs(best->VRefresh - desired->VRefresh))) { + best = scan; + } + } + return best; +} + +/** + * When setting a mode through XFree86-VidModeExtension or XFree86-DGA, + * take the specified mode and apply it to the crtc connected to the compat + * output. Then, find similar modes for the other outputs, as with the + * InitialConfiguration code above. The goal is to clone the desired + * mode across all outputs that are currently active. + */ + +Bool +xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + Bool ok = TRUE; + xf86OutputPtr compat_output; + DisplayModePtr compat_mode = NULL; + int c; + + /* + * Let the compat output drive the final mode selection + */ + compat_output = xf86CompatOutput(pScrn); + if (compat_output) + compat_mode = xf86OutputFindClosestMode (compat_output, desired); + if (compat_mode) + desired = compat_mode; + + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + DisplayModePtr crtc_mode = NULL; + int o; + + if (!crtc->enabled) + continue; + + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + DisplayModePtr output_mode; + + /* skip outputs not on this crtc */ + if (output->crtc != crtc) + continue; + + if (crtc_mode) + { + output_mode = xf86OutputFindClosestMode (output, crtc_mode); + if (output_mode != crtc_mode) + output->crtc = NULL; + } + else + crtc_mode = xf86OutputFindClosestMode (output, desired); + } + if (!crtc_mode) + { + crtc->enabled = FALSE; + continue; + } + if (!xf86CrtcSetModeTransform (crtc, crtc_mode, rotation, NULL, 0, 0)) + ok = FALSE; + else + { + crtc->desiredMode = *crtc_mode; + crtc->desiredRotation = rotation; + crtc->desiredTransformPresent = FALSE; + crtc->desiredX = 0; + crtc->desiredY = 0; + } + } + xf86DisableUnusedFunctions(pScrn); +#ifdef RANDR_12_INTERFACE + xf86RandR12TellChanged (pScrn->pScreen); +#endif + return ok; +} + + +/** + * Set the DPMS power mode of all outputs and CRTCs. + * + * If the new mode is off, it will turn off outputs and then CRTCs. + * Otherwise, it will affect CRTCs before outputs. + */ +void +xf86DPMSSet(ScrnInfoPtr scrn, int mode, int flags) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + int i; + + if (!scrn->vtSema) + return; + + if (mode == DPMSModeOff) { + for (i = 0; i < config->num_output; i++) { + xf86OutputPtr output = config->output[i]; + if (output->crtc != NULL) + (*output->funcs->dpms) (output, mode); + } + } + + for (i = 0; i < config->num_crtc; i++) { + xf86CrtcPtr crtc = config->crtc[i]; + if (crtc->enabled) + (*crtc->funcs->dpms) (crtc, mode); + } + + if (mode != DPMSModeOff) { + for (i = 0; i < config->num_output; i++) { + xf86OutputPtr output = config->output[i]; + if (output->crtc != NULL) + (*output->funcs->dpms) (output, mode); + } + } +} + +/** + * Implement the screensaver by just calling down into the driver DPMS hooks. + * + * Even for monitors with no DPMS support, by the definition of our DPMS hooks, + * the outputs will still get disabled (blanked). + */ +Bool +xf86SaveScreen(ScreenPtr pScreen, int mode) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + + if (xf86IsUnblank(mode)) + xf86DPMSSet(pScrn, DPMSModeOn, 0); + else + xf86DPMSSet(pScrn, DPMSModeOff, 0); + + return TRUE; +} + +/** + * Disable all inactive crtcs and outputs + */ +void +xf86DisableUnusedFunctions(ScrnInfoPtr pScrn) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + int o, c; + + for (o = 0; o < xf86_config->num_output; o++) + { + xf86OutputPtr output = xf86_config->output[o]; + if (!output->crtc) + (*output->funcs->dpms)(output, DPMSModeOff); + } + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (!crtc->enabled) + { + crtc->funcs->dpms(crtc, DPMSModeOff); + memset(&crtc->mode, 0, sizeof(crtc->mode)); + xf86RotateDestroy(crtc); + crtc->active = FALSE; + } + } + if (pScrn->pScreen) + xf86_crtc_notify(pScrn->pScreen); + if (pScrn->ModeSet) + pScrn->ModeSet(pScrn); +} + +#ifdef RANDR_12_INTERFACE + +#define EDID_ATOM_NAME "EDID" + +/** + * Set the RandR EDID property + */ +static void +xf86OutputSetEDIDProperty (xf86OutputPtr output, void *data, int data_len) +{ + Atom edid_atom = MakeAtom(EDID_ATOM_NAME, sizeof(EDID_ATOM_NAME) - 1, TRUE); + + /* This may get called before the RandR resources have been created */ + if (output->randr_output == NULL) + return; + + if (data_len != 0) { + RRChangeOutputProperty(output->randr_output, edid_atom, XA_INTEGER, 8, + PropModeReplace, data_len, data, FALSE, TRUE); + } else { + RRDeleteOutputProperty(output->randr_output, edid_atom); + } +} + +#endif + +/* Pull out a phyiscal size from a detailed timing if available. */ +struct det_phySize_parameter { + xf86OutputPtr output; + ddc_quirk_t quirks; + Bool ret; +}; + +static void handle_detailed_physical_size(struct detailed_monitor_section + *det_mon, void *data) +{ + struct det_phySize_parameter *p; + p = (struct det_phySize_parameter *)data; + + if (p->ret == TRUE ) + return ; + + xf86DetTimingApplyQuirks(det_mon, p->quirks, + p->output->MonInfo->features.hsize, + p->output->MonInfo->features.vsize); + if (det_mon->type == DT && + det_mon->section.d_timings.h_size != 0 && + det_mon->section.d_timings.v_size != 0) { + + p->output->mm_width = det_mon->section.d_timings.h_size; + p->output->mm_height = det_mon->section.d_timings.v_size; + p->ret = TRUE; + } +} + +/** + * Set the EDID information for the specified output + */ +void +xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon) +{ + ScrnInfoPtr scrn = output->scrn; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + Bool debug_modes = config->debug_modes || xf86Initialising; +#ifdef RANDR_12_INTERFACE + int size; +#endif + + free(output->MonInfo); + + output->MonInfo = edid_mon; + output->mm_width = 0; + output->mm_height = 0; + + if (debug_modes) { + xf86DrvMsg(scrn->scrnIndex, X_INFO, "EDID for output %s\n", + output->name); + xf86PrintEDID(edid_mon); + } + + /* Set the DDC properties for the 'compat' output */ + if (output == xf86CompatOutput(scrn)) + xf86SetDDCproperties(scrn, edid_mon); + +#ifdef RANDR_12_INTERFACE + /* Set the RandR output properties */ + size = 0; + if (edid_mon) + { + if (edid_mon->ver.version == 1) { + size = 128; + if (edid_mon->flags & EDID_COMPLETE_RAWDATA) + size += edid_mon->no_sections * 128; + } else if (edid_mon->ver.version == 2) + size = 256; + } + xf86OutputSetEDIDProperty (output, edid_mon ? edid_mon->rawData : NULL, size); +#endif + + if (edid_mon) { + + struct det_phySize_parameter p; + p.output = output; + p.quirks = xf86DDCDetectQuirks(scrn->scrnIndex,edid_mon, FALSE); + p.ret = FALSE; + xf86ForEachDetailedBlock(edid_mon, + handle_detailed_physical_size, &p); + + /* if no mm size is available from a detailed timing, check the max size field */ + if ((!output->mm_width || !output->mm_height) && + (edid_mon->features.hsize && edid_mon->features.vsize)) + { + output->mm_width = edid_mon->features.hsize * 10; + output->mm_height = edid_mon->features.vsize * 10; + } + } +} + +/** + * Return the list of modes supported by the EDID information + * stored in 'output' + */ +DisplayModePtr +xf86OutputGetEDIDModes (xf86OutputPtr output) +{ + ScrnInfoPtr scrn = output->scrn; + xf86MonPtr edid_mon = output->MonInfo; + + if (!edid_mon) + return NULL; + return xf86DDCGetModes(scrn->scrnIndex, edid_mon); +} + +/* maybe we should care about DDC1? meh. */ +xf86MonPtr +xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus) +{ + ScrnInfoPtr scrn = output->scrn; + xf86MonPtr mon; + + mon = xf86DoEEDID(scrn->scrnIndex, pDDCBus, TRUE); + if (mon) + xf86DDCApplyQuirks(scrn->scrnIndex, mon); + + return mon; +} + +static char *_xf86ConnectorNames[] = { + "None", "VGA", "DVI-I", "DVI-D", + "DVI-A", "Composite", "S-Video", + "Component", "LFP", "Proprietary", + "HDMI", "DisplayPort", + }; +char * +xf86ConnectorGetName(xf86ConnectorType connector) +{ + return _xf86ConnectorNames[connector]; +} + +static void +x86_crtc_box_intersect(BoxPtr dest, BoxPtr a, BoxPtr b) +{ + dest->x1 = a->x1 > b->x1 ? a->x1 : b->x1; + dest->x2 = a->x2 < b->x2 ? a->x2 : b->x2; + dest->y1 = a->y1 > b->y1 ? a->y1 : b->y1; + dest->y2 = a->y2 < b->y2 ? a->y2 : b->y2; + + if (dest->x1 >= dest->x2 || dest->y1 >= dest->y2) + dest->x1 = dest->x2 = dest->y1 = dest->y2 = 0; +} + +static void +x86_crtc_box(xf86CrtcPtr crtc, BoxPtr crtc_box) +{ + if (crtc->enabled) { + crtc_box->x1 = crtc->x; + crtc_box->x2 = crtc->x + xf86ModeWidth(&crtc->mode, crtc->rotation); + crtc_box->y1 = crtc->y; + crtc_box->y2 = crtc->y + xf86ModeHeight(&crtc->mode, crtc->rotation); + } else + crtc_box->x1 = crtc_box->x2 = crtc_box->y1 = crtc_box->y2 = 0; +} + +static int +xf86_crtc_box_area(BoxPtr box) +{ + return (int) (box->x2 - box->x1) * (int) (box->y2 - box->y1); +} + +/* + * Return the crtc covering 'box'. If two crtcs cover a portion of + * 'box', then prefer 'desired'. If 'desired' is NULL, then prefer the crtc + * with greater coverage + */ + +static xf86CrtcPtr +xf86_covering_crtc(ScrnInfoPtr pScrn, + BoxPtr box, + xf86CrtcPtr desired, + BoxPtr crtc_box_ret) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + xf86CrtcPtr crtc, best_crtc; + int coverage, best_coverage; + int c; + BoxRec crtc_box, cover_box; + + best_crtc = NULL; + best_coverage = 0; + crtc_box_ret->x1 = 0; + crtc_box_ret->x2 = 0; + crtc_box_ret->y1 = 0; + crtc_box_ret->y2 = 0; + for (c = 0; c < xf86_config->num_crtc; c++) { + crtc = xf86_config->crtc[c]; + x86_crtc_box(crtc, &crtc_box); + x86_crtc_box_intersect(&cover_box, &crtc_box, box); + coverage = xf86_crtc_box_area(&cover_box); + if (coverage && crtc == desired) { + *crtc_box_ret = crtc_box; + return crtc; + } else if (coverage > best_coverage) { + *crtc_box_ret = crtc_box; + best_crtc = crtc; + best_coverage = coverage; + } + } + return best_crtc; +} + +/* + * For overlay video, compute the relevant CRTC and + * clip video to that. + * + * returning FALSE means there was a memory failure of some kind, + * not that the video shouldn't be displayed + */ + +Bool +xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn, + xf86CrtcPtr *crtc_ret, + xf86CrtcPtr desired_crtc, + BoxPtr dst, + INT32 *xa, + INT32 *xb, + INT32 *ya, + INT32 *yb, + RegionPtr reg, + INT32 width, + INT32 height) +{ + Bool ret; + RegionRec crtc_region_local; + RegionPtr crtc_region = reg; + + if (crtc_ret) { + BoxRec crtc_box; + xf86CrtcPtr crtc = xf86_covering_crtc(pScrn, dst, + desired_crtc, + &crtc_box); + + if (crtc) { + RegionInit(&crtc_region_local, &crtc_box, 1); + crtc_region = &crtc_region_local; + RegionIntersect(crtc_region, crtc_region, reg); + } + *crtc_ret = crtc; + } + + ret = xf86XVClipVideoHelper(dst, xa, xb, ya, yb, + crtc_region, width, height); + + if (crtc_region != reg) + RegionUninit(&crtc_region_local); + + return ret; +} + +xf86_crtc_notify_proc_ptr +xf86_wrap_crtc_notify (ScreenPtr screen, xf86_crtc_notify_proc_ptr new) +{ + if (xf86CrtcConfigPrivateIndex != -1) + { + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + xf86_crtc_notify_proc_ptr old; + + old = config->xf86_crtc_notify; + config->xf86_crtc_notify = new; + return old; + } + return NULL; +} + +void +xf86_unwrap_crtc_notify(ScreenPtr screen, xf86_crtc_notify_proc_ptr old) +{ + if (xf86CrtcConfigPrivateIndex != -1) + { + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + + config->xf86_crtc_notify = old; + } +} + +void +xf86_crtc_notify(ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); + + if (config->xf86_crtc_notify) + config->xf86_crtc_notify(screen); +} + +Bool +xf86_crtc_supports_gamma(ScrnInfoPtr pScrn) +{ + if (xf86CrtcConfigPrivateIndex != -1) { + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + xf86CrtcPtr crtc; + + /* for multiple drivers loaded we need this */ + if (!xf86_config) + return FALSE; + if (xf86_config->num_crtc == 0) + return FALSE; + crtc = xf86_config->crtc[0]; + + return crtc->funcs->gamma_set != NULL; + } + + return FALSE; +} diff --git a/xorg-server/hw/xfree86/modes/xf86Crtc.h b/xorg-server/hw/xfree86/modes/xf86Crtc.h index e4037142f..68a968cc2 100644 --- a/xorg-server/hw/xfree86/modes/xf86Crtc.h +++ b/xorg-server/hw/xfree86/modes/xf86Crtc.h @@ -1,1075 +1,972 @@ -/*
- * Copyright © 2006 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-#ifndef _XF86CRTC_H_
-#define _XF86CRTC_H_
-
-#include <edid.h>
-#include "randrstr.h"
-#if XF86_MODES_RENAME
-#include "xf86Rename.h"
-#endif
-#include "xf86Modes.h"
-#include "xf86Cursor.h"
-#include "xf86i2c.h"
-#include "damage.h"
-#include "picturestr.h"
-
-/* Compat definitions for older X Servers. */
-#ifndef M_T_PREFERRED
-#define M_T_PREFERRED 0x08
-#endif
-#ifndef M_T_DRIVER
-#define M_T_DRIVER 0x40
-#endif
-#ifndef M_T_USERPREF
-#define M_T_USERPREF 0x80
-#endif
-#ifndef HARDWARE_CURSOR_ARGB
-#define HARDWARE_CURSOR_ARGB 0x00004000
-#endif
-
-typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
-typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
-
-/* define a standard for connector types */
-typedef enum _xf86ConnectorType {
- XF86ConnectorNone,
- XF86ConnectorVGA,
- XF86ConnectorDVI_I,
- XF86ConnectorDVI_D,
- XF86ConnectorDVI_A,
- XF86ConnectorComposite,
- XF86ConnectorSvideo,
- XF86ConnectorComponent,
- XF86ConnectorLFP,
- XF86ConnectorProprietary,
- XF86ConnectorHDMI,
- XF86ConnectorDisplayPort,
-} xf86ConnectorType;
-
-typedef enum _xf86OutputStatus {
- XF86OutputStatusConnected,
- XF86OutputStatusDisconnected,
- XF86OutputStatusUnknown
-} xf86OutputStatus;
-
-typedef enum _xf86CrtcSetFlags {
- XF86CrtcSetMode = 1, /* mode */
- XF86CrtcSetOutput = 2, /* outputs */
- XF86CrtcSetOrigin = 4, /* x/y */
- XF86CrtcSetTransform = 8, /* transform */
- XF86CrtcSetRotation = 16, /* rotation */
- XF86CrtcSetProperty = 32, /* output property */
- XF86CrtcSetScanoutPixmap = 64, /* scanout pixmap */
-} xf86CrtcSetFlags;
-
-typedef struct _xf86CrtcSet {
- xf86CrtcSetFlags flags;
- DisplayModePtr mode;
- Rotation rotation;
- RRTransformPtr transform;
- int x, y;
- PixmapPtr scanout_pixmap;
-} xf86CrtcSetRec;
-
-typedef struct _xf86CrtcFuncs {
- /**
- * Turns the crtc on/off, or sets intermediate power levels if available.
- *
- * Unsupported intermediate modes drop to the lower power setting. If the
- * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to
- * be safe to call mode_set.
- */
- void
- (*dpms)(xf86CrtcPtr crtc,
- int mode);
-
- /**
- * Saves the crtc's state for restoration on VT switch.
- */
- void
- (*save)(xf86CrtcPtr crtc);
-
- /**
- * Restore's the crtc's state at VT switch.
- */
- void
- (*restore)(xf86CrtcPtr crtc);
-
- /**
- * Lock CRTC prior to mode setting, mostly for DRI.
- * Returns whether unlock is needed
- */
- Bool
- (*lock) (xf86CrtcPtr crtc);
-
- /**
- * Unlock CRTC after mode setting, mostly for DRI
- */
- void
- (*unlock) (xf86CrtcPtr crtc);
-
- /**
- * Callback to adjust the mode to be set in the CRTC.
- *
- * This allows a CRTC to adjust the clock or even the entire set of
- * timings, which is used for panels with fixed timings or for
- * buses with clock limitations.
- */
- Bool
- (*mode_fixup)(xf86CrtcPtr crtc,
- DisplayModePtr mode,
- DisplayModePtr adjusted_mode);
-
- /**
- * Prepare CRTC for an upcoming mode set.
- */
- void
- (*prepare)(xf86CrtcPtr crtc);
-
- /**
- * Callback for setting up a video mode after fixups have been made.
- */
- void
- (*mode_set)(xf86CrtcPtr crtc,
- DisplayModePtr mode,
- DisplayModePtr adjusted_mode,
- int x, int y);
-
- /**
- * Commit mode changes to a CRTC
- */
- void
- (*commit)(xf86CrtcPtr crtc);
-
- /* Set the color ramps for the CRTC to the given values. */
- void
- (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,
- int size);
-
- /**
- * Allocate the shadow area, delay the pixmap creation until needed
- */
- void *
- (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
-
- /**
- * Create shadow pixmap for rotation support
- */
- PixmapPtr
- (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height);
-
- /**
- * Destroy shadow pixmap
- */
- void
- (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data);
-
- /**
- * Set cursor colors
- */
- void
- (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
-
- /**
- * Set cursor position
- */
- void
- (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
-
- /**
- * Show cursor
- */
- void
- (*show_cursor) (xf86CrtcPtr crtc);
-
- /**
- * Hide cursor
- */
- void
- (*hide_cursor) (xf86CrtcPtr crtc);
-
- /**
- * Load monochrome image
- */
- void
- (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);
-
- /**
- * Load ARGB image
- */
- void
- (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);
-
- /**
- * Clean up driver-specific bits of the crtc
- */
- void
- (*destroy) (xf86CrtcPtr crtc);
-
- /**
- * Less fine-grained mode setting entry point for kernel modesetting
- */
- Bool
- (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
- Rotation rotation, int x, int y);
-
- /**
- * Callback for panning. Doesn't change the mode.
- * Added in ABI version 2
- */
- void
- (*set_origin)(xf86CrtcPtr crtc, int x, int y);
-
- /**
- * General mode setting entry point that does everything
- */
- Bool
- (*set)(xf86CrtcPtr crtc, xf86CrtcSetFlags flags);
-
-} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
-
-#define XF86_CRTC_VERSION 3
-
-struct _xf86Crtc {
- /**
- * ABI versioning
- */
- int version;
-
- /**
- * Associated ScrnInfo
- */
- ScrnInfoPtr scrn;
-
- /**
- * Desired state of this CRTC
- *
- * Set when this CRTC should be driving one or more outputs
- */
- Bool enabled;
-
- /**
- * Active mode
- *
- * This reflects the mode as set in the CRTC currently
- * It will be cleared when the VT is not active or
- * during server startup
- */
- DisplayModeRec mode;
- Rotation rotation;
- PixmapPtr rotatedPixmap;
- void *rotatedData;
- PixmapPtr scanoutPixmap;
-
- /**
- * Position on screen
- *
- * Locates this CRTC within the frame buffer
- */
- int x, y;
-
- /**
- * Desired mode
- *
- * This is set to the requested mode, independent of
- * whether the VT is active. In particular, it receives
- * the startup configured mode and saves the active mode
- * on VT switch.
- */
- DisplayModeRec desiredMode;
- Rotation desiredRotation;
- int desiredX, desiredY;
-
- /** crtc-specific functions */
- const xf86CrtcFuncsRec *funcs;
-
- /**
- * Driver private
- *
- * Holds driver-private information
- */
- void *driver_private;
-
-#ifdef RANDR_12_INTERFACE
- /**
- * RandR crtc
- *
- * When RandR 1.2 is available, this
- * points at the associated crtc object
- */
- RRCrtcPtr randr_crtc;
-#else
- void *randr_crtc;
-#endif
-
- /**
- * Current cursor is ARGB
- */
- Bool cursor_argb;
- /**
- * Track whether cursor is within CRTC range
- */
- Bool cursor_in_range;
- /**
- * Track state of cursor associated with this CRTC
- */
- Bool cursor_shown;
-
- /**
- * Current transformation matrix
- */
- PictTransform crtc_to_framebuffer;
- /* framebuffer_to_crtc was removed in ABI 2 */
- struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
- struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
- PictFilterPtr filter; /* ABI 2 */
- xFixed *params; /* ABI 2 */
- int nparams; /* ABI 2 */
- int filter_width; /* ABI 2 */
- int filter_height; /* ABI 2 */
- Bool transform_in_use;
- Bool sprite_transform_in_use;
- RRTransformRec transform; /* ABI 2 */
- Bool transformPresent; /* ABI 2 */
- RRTransformRec desiredTransform; /* ABI 2 */
- Bool desiredTransformPresent; /* ABI 2 */
- /**
- * Bounding box in screen space
- */
- BoxRec bounds;
- /**
- * Panning:
- * TotalArea: total panning area, larger than CRTC's size
- * TrackingArea: Area of the pointer for which the CRTC is panned
- * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
- * Added in ABI version 2
- */
- BoxRec panningTotalArea;
- BoxRec panningTrackingArea;
- INT16 panningBorder[4];
-
- /**
- * Current gamma, especially useful after initial config.
- * Added in ABI version 3
- */
- CARD16 *gamma_red;
- CARD16 *gamma_green;
- CARD16 *gamma_blue;
- int gamma_size;
-
- /**
- * Actual state of this CRTC
- *
- * Set to TRUE after modesetting, set to FALSE if no outputs are connected
- * Added in ABI version 3
- */
- Bool active;
- /**
- * Clear the shadow
- */
- Bool shadowClear;
-
- /**
- * Sprite position transforms
- */
-
- /* Transform a screen coordinate to a crtc coordinate */
- struct pixman_f_transform f_screen_to_crtc;
-
- /* The user-specified portion of the screen to crtc conversion */
- struct pixman_f_transform user_sprite_position_transform;
-
- /* Transform a hardware cursor coordinate to a cursor coordinate */
- struct pixman_f_transform f_crtc_to_cursor;
-
- /* The user-specified portion of the cursor to hardware transform */
- struct pixman_f_transform user_sprite_image_transform;
-};
-
-typedef struct _xf86OutputFuncs {
- /**
- * Called to allow the output a chance to create properties after the
- * RandR objects have been created.
- */
- void
- (*create_resources)(xf86OutputPtr output);
-
- /**
- * Turns the output on/off, or sets intermediate power levels if available.
- *
- * Unsupported intermediate modes drop to the lower power setting. If the
- * mode is DPMSModeOff, the output must be disabled, as the DPLL may be
- * disabled afterwards.
- */
- void
- (*dpms)(xf86OutputPtr output,
- int mode);
-
- /**
- * Saves the output's state for restoration on VT switch.
- */
- void
- (*save)(xf86OutputPtr output);
-
- /**
- * Restore's the output's state at VT switch.
- */
- void
- (*restore)(xf86OutputPtr output);
-
- /**
- * Callback for testing a video mode for a given output.
- *
- * This function should only check for cases where a mode can't be supported
- * on the output specifically, and not represent generic CRTC limitations.
- *
- * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
- */
- int
- (*mode_valid)(xf86OutputPtr output,
- DisplayModePtr pMode);
-
- /**
- * Callback to adjust the mode to be set in the CRTC.
- *
- * This allows an output to adjust the clock or even the entire set of
- * timings, which is used for panels with fixed timings or for
- * buses with clock limitations.
- */
- Bool
- (*mode_fixup)(xf86OutputPtr output,
- DisplayModePtr mode,
- DisplayModePtr adjusted_mode);
-
- /**
- * Callback for preparing mode changes on an output
- */
- void
- (*prepare)(xf86OutputPtr output);
-
- /**
- * Callback for committing mode changes on an output
- */
- void
- (*commit)(xf86OutputPtr output);
-
- /**
- * Callback for setting up a video mode after fixups have been made.
- *
- * This is only called while the output is disabled. The dpms callback
- * must be all that's necessary for the output, to turn the output on
- * after this function is called.
- */
- void
- (*mode_set)(xf86OutputPtr output,
- DisplayModePtr mode,
- DisplayModePtr adjusted_mode);
-
- /**
- * Probe for a connected output, and return detect_status.
- */
- xf86OutputStatus
- (*detect)(xf86OutputPtr output);
-
- /**
- * Query the device for the modes it provides.
- *
- * This function may also update MonInfo, mm_width, and mm_height.
- *
- * \return singly-linked list of modes or NULL if no modes found.
- */
- DisplayModePtr
- (*get_modes)(xf86OutputPtr output);
-
-#ifdef RANDR_12_INTERFACE
- /**
- * Callback when an output's property has changed.
- */
- Bool
- (*set_property)(xf86OutputPtr output,
- Atom property,
- RRPropertyValuePtr value);
-#endif
-#ifdef RANDR_13_INTERFACE
- /**
- * Callback to get an updated property value
- */
- Bool
- (*get_property)(xf86OutputPtr output,
- Atom property);
-#endif
-#ifdef RANDR_GET_CRTC_INTERFACE
- /**
- * Callback to get current CRTC for a given output
- */
- xf86CrtcPtr
- (*get_crtc)(xf86OutputPtr output);
-#endif
- /**
- * Clean up driver-specific bits of the output
- */
- void
- (*destroy) (xf86OutputPtr output);
-} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
-
-
-#define XF86_OUTPUT_VERSION 2
-
-struct _xf86Output {
- /**
- * ABI versioning
- */
- int version;
-
- /**
- * Associated ScrnInfo
- */
- ScrnInfoPtr scrn;
-
- /**
- * Currently connected crtc (if any)
- *
- * If this output is not in use, this field will be NULL.
- */
- xf86CrtcPtr crtc;
-
- /**
- * Possible CRTCs for this output as a mask of crtc indices
- */
- CARD32 possible_crtcs;
-
- /**
- * Possible outputs to share the same CRTC as a mask of output indices
- */
- CARD32 possible_clones;
-
- /**
- * Whether this output can support interlaced modes
- */
- Bool interlaceAllowed;
-
- /**
- * Whether this output can support double scan modes
- */
- Bool doubleScanAllowed;
-
- /**
- * List of available modes on this output.
- *
- * This should be the list from get_modes(), plus perhaps additional
- * compatible modes added later.
- */
- DisplayModePtr probed_modes;
-
- /**
- * Options parsed from the related monitor section
- */
- OptionInfoPtr options;
-
- /**
- * Configured monitor section
- */
- XF86ConfMonitorPtr conf_monitor;
-
- /**
- * Desired initial position
- */
- int initial_x, initial_y;
-
- /**
- * Desired initial rotation
- */
- Rotation initial_rotation;
-
- /**
- * Current connection status
- *
- * This indicates whether a monitor is known to be connected
- * to this output or not, or whether there is no way to tell
- */
- xf86OutputStatus status;
-
- /** EDID monitor information */
- xf86MonPtr MonInfo;
-
- /** subpixel order */
- int subpixel_order;
-
- /** Physical size of the currently attached output device. */
- int mm_width, mm_height;
-
- /** Output name */
- char *name;
-
- /** output-specific functions */
- const xf86OutputFuncsRec *funcs;
-
- /** driver private information */
- void *driver_private;
-
- /** Whether to use the old per-screen Monitor config section */
- Bool use_screen_monitor;
-
-#ifdef RANDR_12_INTERFACE
- /**
- * RandR 1.2 output structure.
- *
- * When RandR 1.2 is available, this points at the associated
- * RandR output structure and is created when this output is created
- */
- RROutputPtr randr_output;
-#else
- void *randr_output;
-#endif
- /**
- * Desired initial panning
- * Added in ABI version 2
- */
- BoxRec initialTotalArea;
- BoxRec initialTrackingArea;
- INT16 initialBorder[4];
-};
-
-typedef enum _xf86SetConfigResponse {
- xf86SetConfigFailed, /* set_config failed */
- xf86SetConfigChecked, /* set_config validated the configuration */
- xf86SetConfigDone, /* set_config finished the work */
-} xf86SetConfigResponse;
-
-typedef struct _xf86CrtcSetConfig {
- xf86CrtcPtr crtc;
- int x, y;
- DisplayModeRec mode;
- Rotation rotation;
- int numOutputs;
- xf86OutputPtr *outputs;
- struct pict_f_transform sprite_position_transform;
- struct pict_f_transform sprite_image_transform;
-
- /* Probably want some internal structure for the pixmap so that
- * this can be set before the server is running
- */
- PixmapPtr pixmap;
- int pixmap_x, pixmap_y;
-} xf86CrtcSetConfigRec, *xf86CrtcSetConfigPtr;
-
-typedef struct _xf86CrtcScanoutFormat {
- int depth;
- int bitsPerPixel;
- int maxWidth, maxHeight;
- Rotation rotations;
- PictFormatShort format;
-} xf86CrtcScanoutFormat;
-
-typedef struct _xf86CrtcConfigFuncs {
- /**
- * Requests that the driver resize the screen.
- *
- * The driver is responsible for updating scrn->virtualX and scrn->virtualY.
- * If the requested size cannot be set, the driver should leave those values
- * alone and return FALSE.
- *
- * A naive driver that cannot reallocate the screen may simply change
- * virtual[XY]. A more advanced driver will want to also change the
- * devPrivate.ptr and devKind of the screen pixmap, update any offscreen
- * pixmaps it may have moved, and change pScrn->displayWidth.
- */
- Bool
- (*resize)(ScrnInfoPtr scrn,
- int width,
- int height);
-
- xf86SetConfigResponse
- (*set_config) (ScrnInfoPtr scrn,
- RRScreenConfigPtr screen_config,
- xf86CrtcSetConfigPtr crtc_configs,
- int num_configs);
-
- /**
- * Create a scanout pixmap
- */
- PixmapPtr
- (*create_scanout_pixmap)(ScrnInfoPtr scrn,
- int width,
- int height,
- Rotation rotations,
- xf86CrtcScanoutFormat *format);
-
-} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
-
-typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
-
-typedef struct _xf86CrtcConfig {
- int num_output;
- xf86OutputPtr *output;
- /**
- * compat_output is used whenever we deal
- * with legacy code that only understands a single
- * output. pScrn->modes will be loaded from this output,
- * adjust frame will whack this output, etc.
- */
- int compat_output;
-
- int num_crtc;
- xf86CrtcPtr *crtc;
-
- int minWidth, minHeight;
- int maxWidth, maxHeight;
-
- /* For crtc-based rotation */
- DamagePtr rotation_damage;
- Bool rotation_damage_registered;
-
- /* DGA */
- unsigned int dga_flags;
- unsigned long dga_address;
- DGAModePtr dga_modes;
- int dga_nmode;
- int dga_width, dga_height, dga_stride;
- DisplayModePtr dga_save_mode;
-
- const xf86CrtcConfigFuncsRec *funcs;
-
- CreateScreenResourcesProcPtr CreateScreenResources;
-
- CloseScreenProcPtr CloseScreen;
-
- /* Cursor information */
- xf86CursorInfoPtr cursor_info;
- CursorPtr cursor;
- CARD8 *cursor_image;
- Bool cursor_on;
- CARD32 cursor_fg, cursor_bg;
-
- /**
- * Options parsed from the related device section
- */
- OptionInfoPtr options;
-
- Bool debug_modes;
-
- /* wrap screen BlockHandler for rotation */
- ScreenBlockHandlerProcPtr BlockHandler;
-
- /* callback when crtc configuration changes */
- xf86_crtc_notify_proc_ptr xf86_crtc_notify;
-
- /*
- * Supported scanout pixmap formats
- */
- int num_scanout_formats;
- xf86CrtcScanoutFormat *scanout_formats;
-} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
-
-extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
-
-#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
-
-static _X_INLINE xf86OutputPtr
-xf86CompatOutput(ScrnInfoPtr pScrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- return config->output[config->compat_output];
-}
-
-static _X_INLINE xf86CrtcPtr
-xf86CompatCrtc(ScrnInfoPtr pScrn)
-{
- xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
- if (!compat_output)
- return NULL;
- return compat_output->crtc;
-}
-
-static _X_INLINE RRCrtcPtr
-xf86CompatRRCrtc(ScrnInfoPtr pScrn)
-{
- xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn);
- if (!compat_crtc)
- return NULL;
- return compat_crtc->randr_crtc;
-}
-
-
-/*
- * Initialize xf86CrtcConfig structure
- */
-
-extern _X_EXPORT void
-xf86CrtcConfigInit (ScrnInfoPtr scrn,
- const xf86CrtcConfigFuncsRec *funcs);
-
-extern _X_EXPORT void
-xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
- int minWidth, int minHeight,
- int maxWidth, int maxHeight);
-
-extern _X_EXPORT void
-xf86CrtcSetScanoutFormats (ScrnInfoPtr scrn,
- int num_formats,
- xf86CrtcScanoutFormat *formats);
-
-/*
- * Crtc functions
- */
-extern _X_EXPORT xf86CrtcPtr
-xf86CrtcCreate (ScrnInfoPtr scrn,
- const xf86CrtcFuncsRec *funcs);
-
-extern _X_EXPORT void
-xf86CrtcDestroy (xf86CrtcPtr crtc);
-
-/**
- * Change a crtc configuration (modes, outputs, etc)
- */
-
-extern _X_EXPORT Bool
-xf86CrtcSet (xf86CrtcPtr crtc, xf86CrtcSetRec *set);
-
-extern _X_EXPORT void
-xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);
-
-/*
- * Assign crtc rotation during mode set
- */
-extern _X_EXPORT Bool
-xf86CrtcRotate (xf86CrtcPtr crtc);
-
-
-/*
- * Update cursor transform matrices after user changes
- * This is just the cursor subset of xf86CrtcRotate
- */
-extern _X_EXPORT void
-xf86CrtcRotateCursor (xf86CrtcPtr crtc);
-
-/*
- * Clean up any rotation data, used when a crtc is turned off
- * as well as when rotation is disabled.
- */
-extern _X_EXPORT void
-xf86RotateDestroy (xf86CrtcPtr crtc);
-
-/*
- * free shadow memory allocated for all crtcs
- */
-extern _X_EXPORT void
-xf86RotateFreeShadow(ScrnInfoPtr pScrn);
-
-/*
- * Clean up rotation during CloseScreen
- */
-extern _X_EXPORT void
-xf86RotateCloseScreen (ScreenPtr pScreen);
-
-/**
- * Return whether any output is assigned to the crtc
- */
-extern _X_EXPORT Bool
-xf86CrtcInUse (xf86CrtcPtr crtc);
-
-/*
- * Output functions
- */
-extern _X_EXPORT xf86OutputPtr
-xf86OutputCreate (ScrnInfoPtr scrn,
- const xf86OutputFuncsRec *funcs,
- const char *name);
-
-extern _X_EXPORT void
-xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
-
-extern _X_EXPORT Bool
-xf86OutputRename (xf86OutputPtr output, const char *name);
-
-extern _X_EXPORT void
-xf86OutputDestroy (xf86OutputPtr output);
-
-extern _X_EXPORT void
-xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
-
-extern _X_EXPORT void
-xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
-
-#ifdef RANDR_13_INTERFACE
-# define ScreenInitRetType int
-#else
-# define ScreenInitRetType Bool
-#endif
-
-extern _X_EXPORT ScreenInitRetType
-xf86CrtcScreenInit (ScreenPtr pScreen);
-
-extern _X_EXPORT Bool
-xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);
-
-extern _X_EXPORT void
-xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
-
-extern _X_EXPORT Bool
-xf86SaveScreen(ScreenPtr pScreen, int mode);
-
-extern _X_EXPORT void
-xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
-
-extern _X_EXPORT DisplayModePtr
-xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);
-
-extern _X_EXPORT Bool
-xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
-
-/**
- * Set the EDID information for the specified output
- */
-extern _X_EXPORT void
-xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);
-
-/**
- * Return the list of modes supported by the EDID information
- * stored in 'output'
- */
-extern _X_EXPORT DisplayModePtr
-xf86OutputGetEDIDModes (xf86OutputPtr output);
-
-extern _X_EXPORT xf86MonPtr
-xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
-
-/**
- * Initialize dga for this screen
- */
-
-#ifdef XFreeXDGA
-extern _X_EXPORT Bool
-xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
-
-/* this is the real function, used only internally */
-_X_INTERNAL Bool
-_xf86_di_dga_init_internal (ScreenPtr pScreen);
-
-/**
- * Re-initialize dga for this screen (as when the set of modes changes)
- */
-
-extern _X_EXPORT Bool
-xf86DiDGAReInit (ScreenPtr pScreen);
-#endif
-
-/* This is the real function, used only internally */
-_X_INTERNAL Bool
-_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
-
-/*
- * Set the subpixel order reported for the screen using
- * the information from the outputs
- */
-
-extern _X_EXPORT void
-xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);
-
-/*
- * Get a standard string name for a connector type
- */
-extern _X_EXPORT char *
-xf86ConnectorGetName(xf86ConnectorType connector);
-
-/*
- * Using the desired mode information in each crtc, set
- * modes (used in EnterVT functions, or at server startup)
- */
-
-extern _X_EXPORT Bool
-xf86SetDesiredModes (ScrnInfoPtr pScrn);
-
-/**
- * Initialize the CRTC-based cursor code. CRTC function vectors must
- * contain relevant cursor setting functions.
- *
- * Driver should call this from ScreenInit function
- */
-extern _X_EXPORT Bool
-xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);
-
-/**
- * Called when anything on the screen is reconfigured.
- *
- * Reloads cursor images as needed, then adjusts cursor positions.
- *
- * Driver should call this from crtc commit function.
- */
-extern _X_EXPORT void
-xf86_reload_cursors (ScreenPtr screen);
-
-/**
- * Called from EnterVT to turn the cursors back on
- */
-extern _X_EXPORT void
-xf86_show_cursors (ScrnInfoPtr scrn);
-
-/**
- * Called by the driver to turn cursors off
- */
-extern _X_EXPORT void
-xf86_hide_cursors (ScrnInfoPtr scrn);
-
-/**
- * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
- */
-extern _X_EXPORT void
-xf86_cursors_fini (ScreenPtr screen);
-
-/*
- * For overlay video, compute the relevant CRTC and
- * clip video to that.
- * wraps xf86XVClipVideoHelper()
- */
-
-extern _X_EXPORT Bool
-xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
- xf86CrtcPtr *crtc_ret,
- xf86CrtcPtr desired_crtc,
- BoxPtr dst,
- INT32 *xa,
- INT32 *xb,
- INT32 *ya,
- INT32 *yb,
- RegionPtr reg,
- INT32 width,
- INT32 height);
-
-extern _X_EXPORT xf86_crtc_notify_proc_ptr
-xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
-
-extern _X_EXPORT void
-xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
-
-extern _X_EXPORT void
-xf86_crtc_notify(ScreenPtr pScreen);
-
-/**
- * Gamma
- */
-
-extern _X_EXPORT Bool
-xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
-
-#endif /* _XF86CRTC_H_ */
+/* + * Copyright © 2006 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ +#ifndef _XF86CRTC_H_ +#define _XF86CRTC_H_ + +#include <edid.h> +#include "randrstr.h" +#if XF86_MODES_RENAME +#include "xf86Rename.h" +#endif +#include "xf86Modes.h" +#include "xf86Cursor.h" +#include "xf86i2c.h" +#include "damage.h" +#include "picturestr.h" + +/* Compat definitions for older X Servers. */ +#ifndef M_T_PREFERRED +#define M_T_PREFERRED 0x08 +#endif +#ifndef M_T_DRIVER +#define M_T_DRIVER 0x40 +#endif +#ifndef M_T_USERPREF +#define M_T_USERPREF 0x80 +#endif +#ifndef HARDWARE_CURSOR_ARGB +#define HARDWARE_CURSOR_ARGB 0x00004000 +#endif + +typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr; +typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr; + +/* define a standard for connector types */ +typedef enum _xf86ConnectorType { + XF86ConnectorNone, + XF86ConnectorVGA, + XF86ConnectorDVI_I, + XF86ConnectorDVI_D, + XF86ConnectorDVI_A, + XF86ConnectorComposite, + XF86ConnectorSvideo, + XF86ConnectorComponent, + XF86ConnectorLFP, + XF86ConnectorProprietary, + XF86ConnectorHDMI, + XF86ConnectorDisplayPort, +} xf86ConnectorType; + +typedef enum _xf86OutputStatus { + XF86OutputStatusConnected, + XF86OutputStatusDisconnected, + XF86OutputStatusUnknown +} xf86OutputStatus; + +typedef struct _xf86CrtcFuncs { + /** + * Turns the crtc on/off, or sets intermediate power levels if available. + * + * Unsupported intermediate modes drop to the lower power setting. If the + * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to + * be safe to call mode_set. + */ + void + (*dpms)(xf86CrtcPtr crtc, + int mode); + + /** + * Saves the crtc's state for restoration on VT switch. + */ + void + (*save)(xf86CrtcPtr crtc); + + /** + * Restore's the crtc's state at VT switch. + */ + void + (*restore)(xf86CrtcPtr crtc); + + /** + * Lock CRTC prior to mode setting, mostly for DRI. + * Returns whether unlock is needed + */ + Bool + (*lock) (xf86CrtcPtr crtc); + + /** + * Unlock CRTC after mode setting, mostly for DRI + */ + void + (*unlock) (xf86CrtcPtr crtc); + + /** + * Callback to adjust the mode to be set in the CRTC. + * + * This allows a CRTC to adjust the clock or even the entire set of + * timings, which is used for panels with fixed timings or for + * buses with clock limitations. + */ + Bool + (*mode_fixup)(xf86CrtcPtr crtc, + DisplayModePtr mode, + DisplayModePtr adjusted_mode); + + /** + * Prepare CRTC for an upcoming mode set. + */ + void + (*prepare)(xf86CrtcPtr crtc); + + /** + * Callback for setting up a video mode after fixups have been made. + */ + void + (*mode_set)(xf86CrtcPtr crtc, + DisplayModePtr mode, + DisplayModePtr adjusted_mode, + int x, int y); + + /** + * Commit mode changes to a CRTC + */ + void + (*commit)(xf86CrtcPtr crtc); + + /* Set the color ramps for the CRTC to the given values. */ + void + (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue, + int size); + + /** + * Allocate the shadow area, delay the pixmap creation until needed + */ + void * + (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height); + + /** + * Create shadow pixmap for rotation support + */ + PixmapPtr + (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height); + + /** + * Destroy shadow pixmap + */ + void + (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data); + + /** + * Set cursor colors + */ + void + (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg); + + /** + * Set cursor position + */ + void + (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y); + + /** + * Show cursor + */ + void + (*show_cursor) (xf86CrtcPtr crtc); + + /** + * Hide cursor + */ + void + (*hide_cursor) (xf86CrtcPtr crtc); + + /** + * Load monochrome image + */ + void + (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image); + + /** + * Load ARGB image + */ + void + (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image); + + /** + * Clean up driver-specific bits of the crtc + */ + void + (*destroy) (xf86CrtcPtr crtc); + + /** + * Less fine-grained mode setting entry point for kernel modesetting + */ + Bool + (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode, + Rotation rotation, int x, int y); + + /** + * Callback for panning. Doesn't change the mode. + * Added in ABI version 2 + */ + void + (*set_origin)(xf86CrtcPtr crtc, int x, int y); + +} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr; + +#define XF86_CRTC_VERSION 3 + +struct _xf86Crtc { + /** + * ABI versioning + */ + int version; + + /** + * Associated ScrnInfo + */ + ScrnInfoPtr scrn; + + /** + * Desired state of this CRTC + * + * Set when this CRTC should be driving one or more outputs + */ + Bool enabled; + + /** + * Active mode + * + * This reflects the mode as set in the CRTC currently + * It will be cleared when the VT is not active or + * during server startup + */ + DisplayModeRec mode; + Rotation rotation; + PixmapPtr rotatedPixmap; + void *rotatedData; + + /** + * Position on screen + * + * Locates this CRTC within the frame buffer + */ + int x, y; + + /** + * Desired mode + * + * This is set to the requested mode, independent of + * whether the VT is active. In particular, it receives + * the startup configured mode and saves the active mode + * on VT switch. + */ + DisplayModeRec desiredMode; + Rotation desiredRotation; + int desiredX, desiredY; + + /** crtc-specific functions */ + const xf86CrtcFuncsRec *funcs; + + /** + * Driver private + * + * Holds driver-private information + */ + void *driver_private; + +#ifdef RANDR_12_INTERFACE + /** + * RandR crtc + * + * When RandR 1.2 is available, this + * points at the associated crtc object + */ + RRCrtcPtr randr_crtc; +#else + void *randr_crtc; +#endif + + /** + * Current cursor is ARGB + */ + Bool cursor_argb; + /** + * Track whether cursor is within CRTC range + */ + Bool cursor_in_range; + /** + * Track state of cursor associated with this CRTC + */ + Bool cursor_shown; + + /** + * Current transformation matrix + */ + PictTransform crtc_to_framebuffer; + /* framebuffer_to_crtc was removed in ABI 2 */ + struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */ + struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */ + PictFilterPtr filter; /* ABI 2 */ + xFixed *params; /* ABI 2 */ + int nparams; /* ABI 2 */ + int filter_width; /* ABI 2 */ + int filter_height; /* ABI 2 */ + Bool transform_in_use; + RRTransformRec transform; /* ABI 2 */ + Bool transformPresent; /* ABI 2 */ + RRTransformRec desiredTransform; /* ABI 2 */ + Bool desiredTransformPresent; /* ABI 2 */ + /** + * Bounding box in screen space + */ + BoxRec bounds; + /** + * Panning: + * TotalArea: total panning area, larger than CRTC's size + * TrackingArea: Area of the pointer for which the CRTC is panned + * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them + * Added in ABI version 2 + */ + BoxRec panningTotalArea; + BoxRec panningTrackingArea; + INT16 panningBorder[4]; + + /** + * Current gamma, especially useful after initial config. + * Added in ABI version 3 + */ + CARD16 *gamma_red; + CARD16 *gamma_green; + CARD16 *gamma_blue; + int gamma_size; + + /** + * Actual state of this CRTC + * + * Set to TRUE after modesetting, set to FALSE if no outputs are connected + * Added in ABI version 3 + */ + Bool active; + /** + * Clear the shadow + */ + Bool shadowClear; +}; + +typedef struct _xf86OutputFuncs { + /** + * Called to allow the output a chance to create properties after the + * RandR objects have been created. + */ + void + (*create_resources)(xf86OutputPtr output); + + /** + * Turns the output on/off, or sets intermediate power levels if available. + * + * Unsupported intermediate modes drop to the lower power setting. If the + * mode is DPMSModeOff, the output must be disabled, as the DPLL may be + * disabled afterwards. + */ + void + (*dpms)(xf86OutputPtr output, + int mode); + + /** + * Saves the output's state for restoration on VT switch. + */ + void + (*save)(xf86OutputPtr output); + + /** + * Restore's the output's state at VT switch. + */ + void + (*restore)(xf86OutputPtr output); + + /** + * Callback for testing a video mode for a given output. + * + * This function should only check for cases where a mode can't be supported + * on the output specifically, and not represent generic CRTC limitations. + * + * \return MODE_OK if the mode is valid, or another MODE_* otherwise. + */ + int + (*mode_valid)(xf86OutputPtr output, + DisplayModePtr pMode); + + /** + * Callback to adjust the mode to be set in the CRTC. + * + * This allows an output to adjust the clock or even the entire set of + * timings, which is used for panels with fixed timings or for + * buses with clock limitations. + */ + Bool + (*mode_fixup)(xf86OutputPtr output, + DisplayModePtr mode, + DisplayModePtr adjusted_mode); + + /** + * Callback for preparing mode changes on an output + */ + void + (*prepare)(xf86OutputPtr output); + + /** + * Callback for committing mode changes on an output + */ + void + (*commit)(xf86OutputPtr output); + + /** + * Callback for setting up a video mode after fixups have been made. + * + * This is only called while the output is disabled. The dpms callback + * must be all that's necessary for the output, to turn the output on + * after this function is called. + */ + void + (*mode_set)(xf86OutputPtr output, + DisplayModePtr mode, + DisplayModePtr adjusted_mode); + + /** + * Probe for a connected output, and return detect_status. + */ + xf86OutputStatus + (*detect)(xf86OutputPtr output); + + /** + * Query the device for the modes it provides. + * + * This function may also update MonInfo, mm_width, and mm_height. + * + * \return singly-linked list of modes or NULL if no modes found. + */ + DisplayModePtr + (*get_modes)(xf86OutputPtr output); + +#ifdef RANDR_12_INTERFACE + /** + * Callback when an output's property has changed. + */ + Bool + (*set_property)(xf86OutputPtr output, + Atom property, + RRPropertyValuePtr value); +#endif +#ifdef RANDR_13_INTERFACE + /** + * Callback to get an updated property value + */ + Bool + (*get_property)(xf86OutputPtr output, + Atom property); +#endif +#ifdef RANDR_GET_CRTC_INTERFACE + /** + * Callback to get current CRTC for a given output + */ + xf86CrtcPtr + (*get_crtc)(xf86OutputPtr output); +#endif + /** + * Clean up driver-specific bits of the output + */ + void + (*destroy) (xf86OutputPtr output); +} xf86OutputFuncsRec, *xf86OutputFuncsPtr; + + +#define XF86_OUTPUT_VERSION 2 + +struct _xf86Output { + /** + * ABI versioning + */ + int version; + + /** + * Associated ScrnInfo + */ + ScrnInfoPtr scrn; + + /** + * Currently connected crtc (if any) + * + * If this output is not in use, this field will be NULL. + */ + xf86CrtcPtr crtc; + + /** + * Possible CRTCs for this output as a mask of crtc indices + */ + CARD32 possible_crtcs; + + /** + * Possible outputs to share the same CRTC as a mask of output indices + */ + CARD32 possible_clones; + + /** + * Whether this output can support interlaced modes + */ + Bool interlaceAllowed; + + /** + * Whether this output can support double scan modes + */ + Bool doubleScanAllowed; + + /** + * List of available modes on this output. + * + * This should be the list from get_modes(), plus perhaps additional + * compatible modes added later. + */ + DisplayModePtr probed_modes; + + /** + * Options parsed from the related monitor section + */ + OptionInfoPtr options; + + /** + * Configured monitor section + */ + XF86ConfMonitorPtr conf_monitor; + + /** + * Desired initial position + */ + int initial_x, initial_y; + + /** + * Desired initial rotation + */ + Rotation initial_rotation; + + /** + * Current connection status + * + * This indicates whether a monitor is known to be connected + * to this output or not, or whether there is no way to tell + */ + xf86OutputStatus status; + + /** EDID monitor information */ + xf86MonPtr MonInfo; + + /** subpixel order */ + int subpixel_order; + + /** Physical size of the currently attached output device. */ + int mm_width, mm_height; + + /** Output name */ + char *name; + + /** output-specific functions */ + const xf86OutputFuncsRec *funcs; + + /** driver private information */ + void *driver_private; + + /** Whether to use the old per-screen Monitor config section */ + Bool use_screen_monitor; + +#ifdef RANDR_12_INTERFACE + /** + * RandR 1.2 output structure. + * + * When RandR 1.2 is available, this points at the associated + * RandR output structure and is created when this output is created + */ + RROutputPtr randr_output; +#else + void *randr_output; +#endif + /** + * Desired initial panning + * Added in ABI version 2 + */ + BoxRec initialTotalArea; + BoxRec initialTrackingArea; + INT16 initialBorder[4]; +}; + +typedef struct _xf86CrtcConfigFuncs { + /** + * Requests that the driver resize the screen. + * + * The driver is responsible for updating scrn->virtualX and scrn->virtualY. + * If the requested size cannot be set, the driver should leave those values + * alone and return FALSE. + * + * A naive driver that cannot reallocate the screen may simply change + * virtual[XY]. A more advanced driver will want to also change the + * devPrivate.ptr and devKind of the screen pixmap, update any offscreen + * pixmaps it may have moved, and change pScrn->displayWidth. + */ + Bool + (*resize)(ScrnInfoPtr scrn, + int width, + int height); +} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr; + +typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen); + +typedef struct _xf86CrtcConfig { + int num_output; + xf86OutputPtr *output; + /** + * compat_output is used whenever we deal + * with legacy code that only understands a single + * output. pScrn->modes will be loaded from this output, + * adjust frame will whack this output, etc. + */ + int compat_output; + + int num_crtc; + xf86CrtcPtr *crtc; + + int minWidth, minHeight; + int maxWidth, maxHeight; + + /* For crtc-based rotation */ + DamagePtr rotation_damage; + Bool rotation_damage_registered; + + /* DGA */ + unsigned int dga_flags; + unsigned long dga_address; + DGAModePtr dga_modes; + int dga_nmode; + int dga_width, dga_height, dga_stride; + DisplayModePtr dga_save_mode; + + const xf86CrtcConfigFuncsRec *funcs; + + CreateScreenResourcesProcPtr CreateScreenResources; + + CloseScreenProcPtr CloseScreen; + + /* Cursor information */ + xf86CursorInfoPtr cursor_info; + CursorPtr cursor; + CARD8 *cursor_image; + Bool cursor_on; + CARD32 cursor_fg, cursor_bg; + + /** + * Options parsed from the related device section + */ + OptionInfoPtr options; + + Bool debug_modes; + + /* wrap screen BlockHandler for rotation */ + ScreenBlockHandlerProcPtr BlockHandler; + + /* callback when crtc configuration changes */ + xf86_crtc_notify_proc_ptr xf86_crtc_notify; + +} xf86CrtcConfigRec, *xf86CrtcConfigPtr; + +extern _X_EXPORT int xf86CrtcConfigPrivateIndex; + +#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr)) + +static _X_INLINE xf86OutputPtr +xf86CompatOutput(ScrnInfoPtr pScrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + return config->output[config->compat_output]; +} + +static _X_INLINE xf86CrtcPtr +xf86CompatCrtc(ScrnInfoPtr pScrn) +{ + xf86OutputPtr compat_output = xf86CompatOutput(pScrn); + if (!compat_output) + return NULL; + return compat_output->crtc; +} + +static _X_INLINE RRCrtcPtr +xf86CompatRRCrtc(ScrnInfoPtr pScrn) +{ + xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn); + if (!compat_crtc) + return NULL; + return compat_crtc->randr_crtc; +} + + +/* + * Initialize xf86CrtcConfig structure + */ + +extern _X_EXPORT void +xf86CrtcConfigInit (ScrnInfoPtr scrn, + const xf86CrtcConfigFuncsRec *funcs); + +extern _X_EXPORT void +xf86CrtcSetSizeRange (ScrnInfoPtr scrn, + int minWidth, int minHeight, + int maxWidth, int maxHeight); + +/* + * Crtc functions + */ +extern _X_EXPORT xf86CrtcPtr +xf86CrtcCreate (ScrnInfoPtr scrn, + const xf86CrtcFuncsRec *funcs); + +extern _X_EXPORT void +xf86CrtcDestroy (xf86CrtcPtr crtc); + + +/** + * Sets the given video mode on the given crtc + */ + +extern _X_EXPORT Bool +xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, + RRTransformPtr transform, int x, int y); + +extern _X_EXPORT Bool +xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, + int x, int y); + +extern _X_EXPORT void +xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y); + +/* + * Assign crtc rotation during mode set + */ +extern _X_EXPORT Bool +xf86CrtcRotate (xf86CrtcPtr crtc); + +/* + * Clean up any rotation data, used when a crtc is turned off + * as well as when rotation is disabled. + */ +extern _X_EXPORT void +xf86RotateDestroy (xf86CrtcPtr crtc); + +/* + * free shadow memory allocated for all crtcs + */ +extern _X_EXPORT void +xf86RotateFreeShadow(ScrnInfoPtr pScrn); + +/* + * Clean up rotation during CloseScreen + */ +extern _X_EXPORT void +xf86RotateCloseScreen (ScreenPtr pScreen); + +/** + * Return whether any output is assigned to the crtc + */ +extern _X_EXPORT Bool +xf86CrtcInUse (xf86CrtcPtr crtc); + +/* + * Output functions + */ +extern _X_EXPORT xf86OutputPtr +xf86OutputCreate (ScrnInfoPtr scrn, + const xf86OutputFuncsRec *funcs, + const char *name); + +extern _X_EXPORT void +xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor); + +extern _X_EXPORT Bool +xf86OutputRename (xf86OutputPtr output, const char *name); + +extern _X_EXPORT void +xf86OutputDestroy (xf86OutputPtr output); + +extern _X_EXPORT void +xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY); + +extern _X_EXPORT void +xf86SetScrnInfoModes (ScrnInfoPtr pScrn); + +#ifdef RANDR_13_INTERFACE +# define ScreenInitRetType int +#else +# define ScreenInitRetType Bool +#endif + +extern _X_EXPORT ScreenInitRetType +xf86CrtcScreenInit (ScreenPtr pScreen); + +extern _X_EXPORT Bool +xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow); + +extern _X_EXPORT void +xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags); + +extern _X_EXPORT Bool +xf86SaveScreen(ScreenPtr pScreen, int mode); + +extern _X_EXPORT void +xf86DisableUnusedFunctions(ScrnInfoPtr pScrn); + +extern _X_EXPORT DisplayModePtr +xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired); + +extern _X_EXPORT Bool +xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation); + +/** + * Set the EDID information for the specified output + */ +extern _X_EXPORT void +xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon); + +/** + * Return the list of modes supported by the EDID information + * stored in 'output' + */ +extern _X_EXPORT DisplayModePtr +xf86OutputGetEDIDModes (xf86OutputPtr output); + +extern _X_EXPORT xf86MonPtr +xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus); + +/** + * Initialize dga for this screen + */ + +#ifdef XFreeXDGA +extern _X_EXPORT Bool +xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address); + +/* this is the real function, used only internally */ +_X_INTERNAL Bool +_xf86_di_dga_init_internal (ScreenPtr pScreen); + +/** + * Re-initialize dga for this screen (as when the set of modes changes) + */ + +extern _X_EXPORT Bool +xf86DiDGAReInit (ScreenPtr pScreen); +#endif + +/* This is the real function, used only internally */ +_X_INTERNAL Bool +_xf86_di_dga_reinit_internal (ScreenPtr pScreen); + +/* + * Set the subpixel order reported for the screen using + * the information from the outputs + */ + +extern _X_EXPORT void +xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen); + +/* + * Get a standard string name for a connector type + */ +extern _X_EXPORT char * +xf86ConnectorGetName(xf86ConnectorType connector); + +/* + * Using the desired mode information in each crtc, set + * modes (used in EnterVT functions, or at server startup) + */ + +extern _X_EXPORT Bool +xf86SetDesiredModes (ScrnInfoPtr pScrn); + +/** + * Initialize the CRTC-based cursor code. CRTC function vectors must + * contain relevant cursor setting functions. + * + * Driver should call this from ScreenInit function + */ +extern _X_EXPORT Bool +xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags); + +/** + * Called when anything on the screen is reconfigured. + * + * Reloads cursor images as needed, then adjusts cursor positions. + * + * Driver should call this from crtc commit function. + */ +extern _X_EXPORT void +xf86_reload_cursors (ScreenPtr screen); + +/** + * Called from EnterVT to turn the cursors back on + */ +extern _X_EXPORT void +xf86_show_cursors (ScrnInfoPtr scrn); + +/** + * Called by the driver to turn cursors off + */ +extern _X_EXPORT void +xf86_hide_cursors (ScrnInfoPtr scrn); + +/** + * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time. + */ +extern _X_EXPORT void +xf86_cursors_fini (ScreenPtr screen); + +/* + * For overlay video, compute the relevant CRTC and + * clip video to that. + * wraps xf86XVClipVideoHelper() + */ + +extern _X_EXPORT Bool +xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn, + xf86CrtcPtr *crtc_ret, + xf86CrtcPtr desired_crtc, + BoxPtr dst, + INT32 *xa, + INT32 *xb, + INT32 *ya, + INT32 *yb, + RegionPtr reg, + INT32 width, + INT32 height); + +extern _X_EXPORT xf86_crtc_notify_proc_ptr +xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new); + +extern _X_EXPORT void +xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old); + +extern _X_EXPORT void +xf86_crtc_notify(ScreenPtr pScreen); + +/** + * Gamma + */ + +extern _X_EXPORT Bool +xf86_crtc_supports_gamma(ScrnInfoPtr pScrn); + +#endif /* _XF86CRTC_H_ */ diff --git a/xorg-server/hw/xfree86/modes/xf86Cursors.c b/xorg-server/hw/xfree86/modes/xf86Cursors.c index 3c2958743..066744744 100644 --- a/xorg-server/hw/xfree86/modes/xf86Cursors.c +++ b/xorg-server/hw/xfree86/modes/xf86Cursors.c @@ -1,688 +1,688 @@ -/*
- * Copyright © 2007 Keith Packard
- * Copyright © 2010 Aaron Plattner
- *
- * 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 <stddef.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "xf86.h"
-#include "xf86DDC.h"
-#include "xf86Crtc.h"
-#include "xf86Modes.h"
-#include "xf86RandR12.h"
-#include "xf86CursorPriv.h"
-#include "X11/extensions/render.h"
-#include "X11/extensions/dpmsconst.h"
-#include "X11/Xatom.h"
-#include "picturestr.h"
-#include "cursorstr.h"
-#include "inputstr.h"
-
-/*
- * Given a screen coordinate, rotate back to a cursor source coordinate
- */
-static void
-xf86_crtc_rotate_coord (Rotation rotation,
- int width,
- int height,
- int x_dst,
- int y_dst,
- int *x_src,
- int *y_src)
-{
- int t;
-
- switch (rotation & 0xf) {
- case RR_Rotate_0:
- break;
- case RR_Rotate_90:
- t = x_dst;
- x_dst = height - y_dst - 1;
- y_dst = t;
- break;
- case RR_Rotate_180:
- x_dst = width - x_dst - 1;
- y_dst = height - y_dst - 1;
- break;
- case RR_Rotate_270:
- t = x_dst;
- x_dst = y_dst;
- y_dst = width - t - 1;
- break;
- }
- if (rotation & RR_Reflect_X)
- x_dst = width - x_dst - 1;
- if (rotation & RR_Reflect_Y)
- y_dst = height - y_dst - 1;
- *x_src = x_dst;
- *y_src = y_dst;
-}
-
-/*
- * Given a cursor source coordinate, rotate to a screen coordinate
- */
-static void
-xf86_crtc_rotate_coord_back (Rotation rotation,
- int width,
- int height,
- int x_dst,
- int y_dst,
- int *x_src,
- int *y_src)
-{
- int t;
-
- if (rotation & RR_Reflect_X)
- x_dst = width - x_dst - 1;
- if (rotation & RR_Reflect_Y)
- y_dst = height - y_dst - 1;
-
- switch (rotation & 0xf) {
- case RR_Rotate_0:
- break;
- case RR_Rotate_90:
- t = x_dst;
- x_dst = y_dst;
- y_dst = width - t - 1;
- break;
- case RR_Rotate_180:
- x_dst = width - x_dst - 1;
- y_dst = height - y_dst - 1;
- break;
- case RR_Rotate_270:
- t = x_dst;
- x_dst = height - y_dst - 1;
- y_dst = t;
- break;
- }
- *x_src = x_dst;
- *y_src = y_dst;
-}
-
-struct cursor_bit {
- CARD8 *byte;
- char bitpos;
-};
-
-/*
- * Convert an x coordinate to a position within the cursor bitmap
- */
-static struct cursor_bit
-cursor_bitpos (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y,
- Bool mask)
-{
- const int flags = cursor_info->Flags;
- const Bool interleaved =
- !!(flags & (HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1 |
- HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8 |
- HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16 |
- HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
- HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64));
- const int width = cursor_info->MaxWidth;
- const int height = cursor_info->MaxHeight;
- const int stride = interleaved ? width / 4 : width / 8;
-
- struct cursor_bit ret;
-
- image += y * stride;
-
- if (flags & HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK)
- mask = !mask;
- if (flags & HARDWARE_CURSOR_NIBBLE_SWAPPED)
- x = (x & ~3) | (3 - (x & 3));
- if (((flags & HARDWARE_CURSOR_BIT_ORDER_MSBFIRST) == 0) ==
- (X_BYTE_ORDER == X_BIG_ENDIAN))
- x = (x & ~7) | (7 - (x & 7));
- if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1)
- x = (x << 1) + mask;
- else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8)
- x = ((x & ~7) << 1) | (mask << 3) | (x & 7);
- else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16)
- x = ((x & ~15) << 1) | (mask << 4) | (x & 15);
- else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32)
- x = ((x & ~31) << 1) | (mask << 5) | (x & 31);
- else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64)
- x = ((x & ~63) << 1) | (mask << 6) | (x & 63);
- else if (mask)
- image += stride * height;
-
- ret.byte = image + (x / 8);
- ret.bitpos = x & 7;
-
- return ret;
-}
-
-/*
- * Fetch one bit from a cursor bitmap
- */
-static CARD8
-get_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask)
-{
- struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask);
- return (*bit.byte >> bit.bitpos) & 1;
-}
-
-/*
- * Set one bit in a cursor bitmap
- */
-static void
-set_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask)
-{
- struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask);
- *bit.byte |= 1 << bit.bitpos;
-}
-
-/*
- * Load a two color cursor into a driver that supports only ARGB cursors
- */
-static void
-xf86_crtc_convert_cursor_to_argb (xf86CrtcPtr crtc, unsigned char *src)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
- CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image;
- int x, y;
- int xin, yin;
- int flags = cursor_info->Flags;
- CARD32 bits;
-
-#ifdef ARGB_CURSOR
- crtc->cursor_argb = FALSE;
-#endif
-
- for (y = 0; y < cursor_info->MaxHeight; y++)
- for (x = 0; x < cursor_info->MaxWidth; x++)
- {
- xf86_crtc_rotate_coord (crtc->rotation,
- cursor_info->MaxWidth,
- cursor_info->MaxHeight,
- x, y, &xin, &yin);
- if (get_bit (src, cursor_info, xin, yin, TRUE) ==
- ((flags & HARDWARE_CURSOR_INVERT_MASK) == 0))
- {
- if (get_bit (src, cursor_info, xin, yin, FALSE))
- bits = xf86_config->cursor_fg;
- else
- bits = xf86_config->cursor_bg;
- }
- else
- bits = 0;
- cursor_image[y * cursor_info->MaxWidth + x] = bits;
- }
- crtc->funcs->load_cursor_argb (crtc, cursor_image);
-}
-
-/*
- * Set the colors for a two-color cursor (ignore for ARGB cursors)
- */
-static void
-xf86_set_cursor_colors (ScrnInfoPtr scrn, int bg, int fg)
-{
- ScreenPtr screen = scrn->pScreen;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- CursorPtr cursor = xf86_config->cursor;
- int c;
- CARD8 *bits = cursor ?
- dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen))
- : NULL;
-
- /* Save ARGB versions of these colors */
- xf86_config->cursor_fg = (CARD32) fg | 0xff000000;
- xf86_config->cursor_bg = (CARD32) bg | 0xff000000;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled && !crtc->cursor_argb)
- {
- if (crtc->funcs->load_cursor_image)
- crtc->funcs->set_cursor_colors (crtc, bg, fg);
- else if (bits)
- xf86_crtc_convert_cursor_to_argb (crtc, bits);
- }
- }
-}
-
-static void
-xf86_crtc_hide_cursor (xf86CrtcPtr crtc)
-{
- if (crtc->cursor_shown)
- {
- crtc->funcs->hide_cursor (crtc);
- crtc->cursor_shown = FALSE;
- }
-}
-
-void
-xf86_hide_cursors (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- xf86_config->cursor_on = FALSE;
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled)
- xf86_crtc_hide_cursor (crtc);
- }
-}
-
-static void
-xf86_crtc_show_cursor (xf86CrtcPtr crtc)
-{
- if (!crtc->cursor_shown && crtc->cursor_in_range)
- {
- crtc->funcs->show_cursor (crtc);
- crtc->cursor_shown = TRUE;
- }
-}
-
-void
-xf86_show_cursors (ScrnInfoPtr scrn)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- xf86_config->cursor_on = TRUE;
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled)
- xf86_crtc_show_cursor (crtc);
- }
-}
-
-static void
-xf86_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
- DisplayModePtr mode = &crtc->mode;
- Bool in_range;
- int dx, dy;
-
- /*
- * Transform position of cursor on screen
- */
- if (crtc->sprite_transform_in_use)
- {
- ScreenPtr screen = scrn->pScreen;
- xf86CursorScreenPtr ScreenPriv =
- (xf86CursorScreenPtr)dixLookupPrivate(&screen->devPrivates,
- xf86CursorScreenKey);
- struct pict_f_vector v;
-
- v.v[0] = (x + ScreenPriv->HotX) + 0.5;
- v.v[1] = (y + ScreenPriv->HotY) + 0.5;
- v.v[2] = 1;
- pixman_f_transform_point (&crtc->f_screen_to_crtc, &v);
- /* cursor will have 0.5 added to it already so floor is sufficent */
- x = floor (v.v[0]);
- y = floor (v.v[1]);
- /*
- * Transform position of cursor upper left corner
- */
- xf86_crtc_rotate_coord_back (crtc->rotation,
- cursor_info->MaxWidth,
- cursor_info->MaxHeight,
- ScreenPriv->HotX, ScreenPriv->HotY, &dx, &dy);
- x -= dx;
- y -= dy;
- }
- else
- {
- x -= crtc->x;
- y -= crtc->y;
- }
-
- /*
- * Disable the cursor when it is outside the viewport
- */
- in_range = TRUE;
- if (x >= mode->HDisplay || y >= mode->VDisplay ||
- x <= -cursor_info->MaxWidth || y <= -cursor_info->MaxHeight)
- {
- in_range = FALSE;
- x = 0;
- y = 0;
- }
-
- crtc->cursor_in_range = in_range;
-
- if (in_range)
- {
- crtc->funcs->set_cursor_position (crtc, x, y);
- xf86_crtc_show_cursor (crtc);
- }
- else
- xf86_crtc_hide_cursor (crtc);
-}
-
-static void
-xf86_set_cursor_position (ScrnInfoPtr scrn, int x, int y)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- /* undo what xf86HWCurs did to the coordinates */
- x += scrn->frameX0;
- y += scrn->frameY0;
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled)
- xf86_crtc_set_cursor_position (crtc, x, y);
- }
-}
-
-/*
- * Load a two-color cursor into a crtc, performing rotation as needed
- */
-static void
-xf86_crtc_load_cursor_image (xf86CrtcPtr crtc, CARD8 *src)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
- CARD8 *cursor_image;
-
-#ifdef ARGB_CURSOR
- crtc->cursor_argb = FALSE;
-#endif
-
- if (crtc->rotation == RR_Rotate_0)
- cursor_image = src;
- else
- {
- int x, y;
- int xin, yin;
- int stride = cursor_info->MaxWidth >> 2;
-
- cursor_image = xf86_config->cursor_image;
- memset(cursor_image, 0, cursor_info->MaxHeight * stride);
-
- for (y = 0; y < cursor_info->MaxHeight; y++)
- for (x = 0; x < cursor_info->MaxWidth; x++)
- {
- xf86_crtc_rotate_coord (crtc->rotation,
- cursor_info->MaxWidth,
- cursor_info->MaxHeight,
- x, y, &xin, &yin);
- if (get_bit(src, cursor_info, xin, yin, FALSE))
- set_bit(cursor_image, cursor_info, x, y, FALSE);
- if (get_bit(src, cursor_info, xin, yin, TRUE))
- set_bit(cursor_image, cursor_info, x, y, TRUE);
- }
- }
- crtc->funcs->load_cursor_image (crtc, cursor_image);
-}
-
-/*
- * Load a cursor image into all active CRTCs
- */
-static void
-xf86_load_cursor_image (ScrnInfoPtr scrn, unsigned char *src)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled)
- {
- if (crtc->funcs->load_cursor_image)
- xf86_crtc_load_cursor_image (crtc, src);
- else if (crtc->funcs->load_cursor_argb)
- xf86_crtc_convert_cursor_to_argb (crtc, src);
- }
- }
-}
-
-static Bool
-xf86_use_hw_cursor (ScreenPtr screen, CursorPtr cursor)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
-
- ++cursor->refcnt;
- if (xf86_config->cursor)
- FreeCursor (xf86_config->cursor, None);
- xf86_config->cursor = cursor;
-
- if (cursor->bits->width > cursor_info->MaxWidth ||
- cursor->bits->height> cursor_info->MaxHeight)
- return FALSE;
-
- return TRUE;
-}
-
-static Bool
-xf86_use_hw_cursor_argb (ScreenPtr screen, CursorPtr cursor)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
-
- ++cursor->refcnt;
- if (xf86_config->cursor)
- FreeCursor (xf86_config->cursor, None);
- xf86_config->cursor = cursor;
-
- /* Make sure ARGB support is available */
- if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0)
- return FALSE;
-
- if (cursor->bits->width > cursor_info->MaxWidth ||
- cursor->bits->height> cursor_info->MaxHeight)
- return FALSE;
-
- return TRUE;
-}
-
-static void
-xf86_crtc_load_cursor_argb (xf86CrtcPtr crtc, CursorPtr cursor)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
- CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image;
- CARD32 *cursor_source = (CARD32 *) cursor->bits->argb;
- int x, y;
- int xin, yin;
- CARD32 bits;
- int source_width = cursor->bits->width;
- int source_height = cursor->bits->height;
- int image_width = cursor_info->MaxWidth;
- int image_height = cursor_info->MaxHeight;
-
- for (y = 0; y < image_height; y++)
- for (x = 0; x < image_width; x++)
- {
- xf86_crtc_rotate_coord (crtc->rotation, image_width, image_height,
- x, y, &xin, &yin);
- if (xin < source_width && yin < source_height)
- bits = cursor_source[yin * source_width + xin];
- else
- bits = 0;
- cursor_image[y * image_width + x] = bits;
- }
-
- crtc->funcs->load_cursor_argb (crtc, cursor_image);
-}
-
-static void
-xf86_load_cursor_argb (ScrnInfoPtr scrn, CursorPtr cursor)
-{
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->enabled)
- xf86_crtc_load_cursor_argb (crtc, cursor);
- }
-}
-
-Bool
-xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- xf86CursorInfoPtr cursor_info;
-
- cursor_info = xf86CreateCursorInfoRec();
- if (!cursor_info)
- return FALSE;
-
- xf86_config->cursor_image = malloc(max_width * max_height * 4);
-
- if (!xf86_config->cursor_image)
- {
- xf86DestroyCursorInfoRec (cursor_info);
- return FALSE;
- }
-
- xf86_config->cursor_info = cursor_info;
-
- cursor_info->MaxWidth = max_width;
- cursor_info->MaxHeight = max_height;
- cursor_info->Flags = flags;
-
- cursor_info->SetCursorColors = xf86_set_cursor_colors;
- cursor_info->SetCursorPosition = xf86_set_cursor_position;
- cursor_info->LoadCursorImage = xf86_load_cursor_image;
- cursor_info->HideCursor = xf86_hide_cursors;
- cursor_info->ShowCursor = xf86_show_cursors;
- cursor_info->UseHWCursor = xf86_use_hw_cursor;
-#ifdef ARGB_CURSOR
- if (flags & HARDWARE_CURSOR_ARGB)
- {
- cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb;
- cursor_info->LoadCursorARGB = xf86_load_cursor_argb;
- }
-#endif
-
- xf86_config->cursor = NULL;
- xf86_hide_cursors (scrn);
-
- return xf86InitCursor (screen, cursor_info);
-}
-
-/**
- * Called when anything on the screen is reconfigured.
- *
- * Reloads cursor images as needed, then adjusts cursor positions
- */
-
-void
-xf86_reload_cursors (ScreenPtr screen)
-{
- ScrnInfoPtr scrn;
- xf86CrtcConfigPtr xf86_config;
- xf86CursorInfoPtr cursor_info;
- CursorPtr cursor;
- int x, y;
- xf86CursorScreenPtr cursor_screen_priv;
-
- /* initial mode setting will not have set a screen yet.
- May be called before the devices are initialised.
- */
- if (!screen || !inputInfo.pointer)
- return;
- cursor_screen_priv = dixLookupPrivate(&screen->devPrivates,
- xf86CursorScreenKey);
- /* return if HW cursor is inactive, to avoid displaying two cursors */
- if (!cursor_screen_priv || !cursor_screen_priv->isUp)
- return;
-
- scrn = xf86Screens[screen->myNum];
- xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-
- /* make sure the cursor code has been initialized */
- cursor_info = xf86_config->cursor_info;
- if (!cursor_info)
- return;
-
- cursor = xf86_config->cursor;
- GetSpritePosition (inputInfo.pointer, &x, &y);
- if (!(cursor_info->Flags & HARDWARE_CURSOR_UPDATE_UNHIDDEN))
- (*cursor_info->HideCursor)(scrn);
-
- if (cursor)
- {
- void *src = dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen));
-#ifdef ARGB_CURSOR
- if (cursor->bits->argb && cursor_info->LoadCursorARGB)
- (*cursor_info->LoadCursorARGB) (scrn, cursor);
- else if (src)
-#endif
- (*cursor_info->LoadCursorImage)(scrn, src);
-
- x += scrn->frameX0 + cursor_screen_priv->HotX;
- y += scrn->frameY0 + cursor_screen_priv->HotY;
- (*cursor_info->SetCursorPosition)(scrn, x, y);
- }
-}
-
-/**
- * Clean up CRTC-based cursor code
- */
-void
-xf86_cursors_fini (ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
-
- if (xf86_config->cursor_info)
- {
- xf86DestroyCursorInfoRec (xf86_config->cursor_info);
- xf86_config->cursor_info = NULL;
- }
- free(xf86_config->cursor_image);
- xf86_config->cursor_image = NULL;
- if (xf86_config->cursor)
- {
- FreeCursor (xf86_config->cursor, None);
- xf86_config->cursor = NULL;
- }
-}
+/* + * Copyright © 2007 Keith Packard + * Copyright © 2010 Aaron Plattner + * + * 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 <stddef.h> +#include <string.h> +#include <stdio.h> + +#include "xf86.h" +#include "xf86DDC.h" +#include "xf86Crtc.h" +#include "xf86Modes.h" +#include "xf86RandR12.h" +#include "xf86CursorPriv.h" +#include "X11/extensions/render.h" +#include "X11/extensions/dpmsconst.h" +#include "X11/Xatom.h" +#include "picturestr.h" +#include "cursorstr.h" +#include "inputstr.h" + +/* + * Given a screen coordinate, rotate back to a cursor source coordinate + */ +static void +xf86_crtc_rotate_coord (Rotation rotation, + int width, + int height, + int x_dst, + int y_dst, + int *x_src, + int *y_src) +{ + int t; + + switch (rotation & 0xf) { + case RR_Rotate_0: + break; + case RR_Rotate_90: + t = x_dst; + x_dst = height - y_dst - 1; + y_dst = t; + break; + case RR_Rotate_180: + x_dst = width - x_dst - 1; + y_dst = height - y_dst - 1; + break; + case RR_Rotate_270: + t = x_dst; + x_dst = y_dst; + y_dst = width - t - 1; + break; + } + if (rotation & RR_Reflect_X) + x_dst = width - x_dst - 1; + if (rotation & RR_Reflect_Y) + y_dst = height - y_dst - 1; + *x_src = x_dst; + *y_src = y_dst; +} + +/* + * Given a cursor source coordinate, rotate to a screen coordinate + */ +static void +xf86_crtc_rotate_coord_back (Rotation rotation, + int width, + int height, + int x_dst, + int y_dst, + int *x_src, + int *y_src) +{ + int t; + + if (rotation & RR_Reflect_X) + x_dst = width - x_dst - 1; + if (rotation & RR_Reflect_Y) + y_dst = height - y_dst - 1; + + switch (rotation & 0xf) { + case RR_Rotate_0: + break; + case RR_Rotate_90: + t = x_dst; + x_dst = y_dst; + y_dst = width - t - 1; + break; + case RR_Rotate_180: + x_dst = width - x_dst - 1; + y_dst = height - y_dst - 1; + break; + case RR_Rotate_270: + t = x_dst; + x_dst = height - y_dst - 1; + y_dst = t; + break; + } + *x_src = x_dst; + *y_src = y_dst; +} + +struct cursor_bit { + CARD8 *byte; + char bitpos; +}; + +/* + * Convert an x coordinate to a position within the cursor bitmap + */ +static struct cursor_bit +cursor_bitpos (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, + Bool mask) +{ + const int flags = cursor_info->Flags; + const Bool interleaved = + !!(flags & (HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1 | + HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8 | + HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16 | + HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 | + HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64)); + const int width = cursor_info->MaxWidth; + const int height = cursor_info->MaxHeight; + const int stride = interleaved ? width / 4 : width / 8; + + struct cursor_bit ret; + + image += y * stride; + + if (flags & HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK) + mask = !mask; + if (flags & HARDWARE_CURSOR_NIBBLE_SWAPPED) + x = (x & ~3) | (3 - (x & 3)); + if (((flags & HARDWARE_CURSOR_BIT_ORDER_MSBFIRST) == 0) == + (X_BYTE_ORDER == X_BIG_ENDIAN)) + x = (x & ~7) | (7 - (x & 7)); + if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1) + x = (x << 1) + mask; + else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8) + x = ((x & ~7) << 1) | (mask << 3) | (x & 7); + else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16) + x = ((x & ~15) << 1) | (mask << 4) | (x & 15); + else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32) + x = ((x & ~31) << 1) | (mask << 5) | (x & 31); + else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64) + x = ((x & ~63) << 1) | (mask << 6) | (x & 63); + else if (mask) + image += stride * height; + + ret.byte = image + (x / 8); + ret.bitpos = x & 7; + + return ret; +} + +/* + * Fetch one bit from a cursor bitmap + */ +static CARD8 +get_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask) +{ + struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask); + return (*bit.byte >> bit.bitpos) & 1; +} + +/* + * Set one bit in a cursor bitmap + */ +static void +set_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask) +{ + struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask); + *bit.byte |= 1 << bit.bitpos; +} + +/* + * Load a two color cursor into a driver that supports only ARGB cursors + */ +static void +xf86_crtc_convert_cursor_to_argb (xf86CrtcPtr crtc, unsigned char *src) +{ + ScrnInfoPtr scrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image; + int x, y; + int xin, yin; + int flags = cursor_info->Flags; + CARD32 bits; + +#ifdef ARGB_CURSOR + crtc->cursor_argb = FALSE; +#endif + + for (y = 0; y < cursor_info->MaxHeight; y++) + for (x = 0; x < cursor_info->MaxWidth; x++) + { + xf86_crtc_rotate_coord (crtc->rotation, + cursor_info->MaxWidth, + cursor_info->MaxHeight, + x, y, &xin, &yin); + if (get_bit (src, cursor_info, xin, yin, TRUE) == + ((flags & HARDWARE_CURSOR_INVERT_MASK) == 0)) + { + if (get_bit (src, cursor_info, xin, yin, FALSE)) + bits = xf86_config->cursor_fg; + else + bits = xf86_config->cursor_bg; + } + else + bits = 0; + cursor_image[y * cursor_info->MaxWidth + x] = bits; + } + crtc->funcs->load_cursor_argb (crtc, cursor_image); +} + +/* + * Set the colors for a two-color cursor (ignore for ARGB cursors) + */ +static void +xf86_set_cursor_colors (ScrnInfoPtr scrn, int bg, int fg) +{ + ScreenPtr screen = scrn->pScreen; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + CursorPtr cursor = xf86_config->cursor; + int c; + CARD8 *bits = cursor ? + dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen)) + : NULL; + + /* Save ARGB versions of these colors */ + xf86_config->cursor_fg = (CARD32) fg | 0xff000000; + xf86_config->cursor_bg = (CARD32) bg | 0xff000000; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled && !crtc->cursor_argb) + { + if (crtc->funcs->load_cursor_image) + crtc->funcs->set_cursor_colors (crtc, bg, fg); + else if (bits) + xf86_crtc_convert_cursor_to_argb (crtc, bits); + } + } +} + +static void +xf86_crtc_hide_cursor (xf86CrtcPtr crtc) +{ + if (crtc->cursor_shown) + { + crtc->funcs->hide_cursor (crtc); + crtc->cursor_shown = FALSE; + } +} + +void +xf86_hide_cursors (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + xf86_config->cursor_on = FALSE; + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled) + xf86_crtc_hide_cursor (crtc); + } +} + +static void +xf86_crtc_show_cursor (xf86CrtcPtr crtc) +{ + if (!crtc->cursor_shown && crtc->cursor_in_range) + { + crtc->funcs->show_cursor (crtc); + crtc->cursor_shown = TRUE; + } +} + +void +xf86_show_cursors (ScrnInfoPtr scrn) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + xf86_config->cursor_on = TRUE; + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled) + xf86_crtc_show_cursor (crtc); + } +} + +static void +xf86_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y) +{ + ScrnInfoPtr scrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + DisplayModePtr mode = &crtc->mode; + Bool in_range; + int dx, dy; + + /* + * Transform position of cursor on screen + */ + if (crtc->transform_in_use) + { + ScreenPtr screen = scrn->pScreen; + xf86CursorScreenPtr ScreenPriv = + (xf86CursorScreenPtr)dixLookupPrivate(&screen->devPrivates, + xf86CursorScreenKey); + struct pict_f_vector v; + + v.v[0] = (x + ScreenPriv->HotX) + 0.5; + v.v[1] = (y + ScreenPriv->HotY) + 0.5; + v.v[2] = 1; + pixman_f_transform_point (&crtc->f_framebuffer_to_crtc, &v); + /* cursor will have 0.5 added to it already so floor is sufficent */ + x = floor (v.v[0]); + y = floor (v.v[1]); + /* + * Transform position of cursor upper left corner + */ + xf86_crtc_rotate_coord_back (crtc->rotation, + cursor_info->MaxWidth, + cursor_info->MaxHeight, + ScreenPriv->HotX, ScreenPriv->HotY, &dx, &dy); + x -= dx; + y -= dy; + } + else + { + x -= crtc->x; + y -= crtc->y; + } + + /* + * Disable the cursor when it is outside the viewport + */ + in_range = TRUE; + if (x >= mode->HDisplay || y >= mode->VDisplay || + x <= -cursor_info->MaxWidth || y <= -cursor_info->MaxHeight) + { + in_range = FALSE; + x = 0; + y = 0; + } + + crtc->cursor_in_range = in_range; + + if (in_range) + { + crtc->funcs->set_cursor_position (crtc, x, y); + xf86_crtc_show_cursor (crtc); + } + else + xf86_crtc_hide_cursor (crtc); +} + +static void +xf86_set_cursor_position (ScrnInfoPtr scrn, int x, int y) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + /* undo what xf86HWCurs did to the coordinates */ + x += scrn->frameX0; + y += scrn->frameY0; + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled) + xf86_crtc_set_cursor_position (crtc, x, y); + } +} + +/* + * Load a two-color cursor into a crtc, performing rotation as needed + */ +static void +xf86_crtc_load_cursor_image (xf86CrtcPtr crtc, CARD8 *src) +{ + ScrnInfoPtr scrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + CARD8 *cursor_image; + +#ifdef ARGB_CURSOR + crtc->cursor_argb = FALSE; +#endif + + if (crtc->rotation == RR_Rotate_0) + cursor_image = src; + else + { + int x, y; + int xin, yin; + int stride = cursor_info->MaxWidth >> 2; + + cursor_image = xf86_config->cursor_image; + memset(cursor_image, 0, cursor_info->MaxHeight * stride); + + for (y = 0; y < cursor_info->MaxHeight; y++) + for (x = 0; x < cursor_info->MaxWidth; x++) + { + xf86_crtc_rotate_coord (crtc->rotation, + cursor_info->MaxWidth, + cursor_info->MaxHeight, + x, y, &xin, &yin); + if (get_bit(src, cursor_info, xin, yin, FALSE)) + set_bit(cursor_image, cursor_info, x, y, FALSE); + if (get_bit(src, cursor_info, xin, yin, TRUE)) + set_bit(cursor_image, cursor_info, x, y, TRUE); + } + } + crtc->funcs->load_cursor_image (crtc, cursor_image); +} + +/* + * Load a cursor image into all active CRTCs + */ +static void +xf86_load_cursor_image (ScrnInfoPtr scrn, unsigned char *src) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled) + { + if (crtc->funcs->load_cursor_image) + xf86_crtc_load_cursor_image (crtc, src); + else if (crtc->funcs->load_cursor_argb) + xf86_crtc_convert_cursor_to_argb (crtc, src); + } + } +} + +static Bool +xf86_use_hw_cursor (ScreenPtr screen, CursorPtr cursor) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + + ++cursor->refcnt; + if (xf86_config->cursor) + FreeCursor (xf86_config->cursor, None); + xf86_config->cursor = cursor; + + if (cursor->bits->width > cursor_info->MaxWidth || + cursor->bits->height> cursor_info->MaxHeight) + return FALSE; + + return TRUE; +} + +static Bool +xf86_use_hw_cursor_argb (ScreenPtr screen, CursorPtr cursor) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + + ++cursor->refcnt; + if (xf86_config->cursor) + FreeCursor (xf86_config->cursor, None); + xf86_config->cursor = cursor; + + /* Make sure ARGB support is available */ + if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0) + return FALSE; + + if (cursor->bits->width > cursor_info->MaxWidth || + cursor->bits->height> cursor_info->MaxHeight) + return FALSE; + + return TRUE; +} + +static void +xf86_crtc_load_cursor_argb (xf86CrtcPtr crtc, CursorPtr cursor) +{ + ScrnInfoPtr scrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info = xf86_config->cursor_info; + CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image; + CARD32 *cursor_source = (CARD32 *) cursor->bits->argb; + int x, y; + int xin, yin; + CARD32 bits; + int source_width = cursor->bits->width; + int source_height = cursor->bits->height; + int image_width = cursor_info->MaxWidth; + int image_height = cursor_info->MaxHeight; + + for (y = 0; y < image_height; y++) + for (x = 0; x < image_width; x++) + { + xf86_crtc_rotate_coord (crtc->rotation, image_width, image_height, + x, y, &xin, &yin); + if (xin < source_width && yin < source_height) + bits = cursor_source[yin * source_width + xin]; + else + bits = 0; + cursor_image[y * image_width + x] = bits; + } + + crtc->funcs->load_cursor_argb (crtc, cursor_image); +} + +static void +xf86_load_cursor_argb (ScrnInfoPtr scrn, CursorPtr cursor) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->enabled) + xf86_crtc_load_cursor_argb (crtc, cursor); + } +} + +Bool +xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + xf86CursorInfoPtr cursor_info; + + cursor_info = xf86CreateCursorInfoRec(); + if (!cursor_info) + return FALSE; + + xf86_config->cursor_image = malloc(max_width * max_height * 4); + + if (!xf86_config->cursor_image) + { + xf86DestroyCursorInfoRec (cursor_info); + return FALSE; + } + + xf86_config->cursor_info = cursor_info; + + cursor_info->MaxWidth = max_width; + cursor_info->MaxHeight = max_height; + cursor_info->Flags = flags; + + cursor_info->SetCursorColors = xf86_set_cursor_colors; + cursor_info->SetCursorPosition = xf86_set_cursor_position; + cursor_info->LoadCursorImage = xf86_load_cursor_image; + cursor_info->HideCursor = xf86_hide_cursors; + cursor_info->ShowCursor = xf86_show_cursors; + cursor_info->UseHWCursor = xf86_use_hw_cursor; +#ifdef ARGB_CURSOR + if (flags & HARDWARE_CURSOR_ARGB) + { + cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb; + cursor_info->LoadCursorARGB = xf86_load_cursor_argb; + } +#endif + + xf86_config->cursor = NULL; + xf86_hide_cursors (scrn); + + return xf86InitCursor (screen, cursor_info); +} + +/** + * Called when anything on the screen is reconfigured. + * + * Reloads cursor images as needed, then adjusts cursor positions + */ + +void +xf86_reload_cursors (ScreenPtr screen) +{ + ScrnInfoPtr scrn; + xf86CrtcConfigPtr xf86_config; + xf86CursorInfoPtr cursor_info; + CursorPtr cursor; + int x, y; + xf86CursorScreenPtr cursor_screen_priv; + + /* initial mode setting will not have set a screen yet. + May be called before the devices are initialised. + */ + if (!screen || !inputInfo.pointer) + return; + cursor_screen_priv = dixLookupPrivate(&screen->devPrivates, + xf86CursorScreenKey); + /* return if HW cursor is inactive, to avoid displaying two cursors */ + if (!cursor_screen_priv || !cursor_screen_priv->isUp) + return; + + scrn = xf86Screens[screen->myNum]; + xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + + /* make sure the cursor code has been initialized */ + cursor_info = xf86_config->cursor_info; + if (!cursor_info) + return; + + cursor = xf86_config->cursor; + GetSpritePosition (inputInfo.pointer, &x, &y); + if (!(cursor_info->Flags & HARDWARE_CURSOR_UPDATE_UNHIDDEN)) + (*cursor_info->HideCursor)(scrn); + + if (cursor) + { + void *src = dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen)); +#ifdef ARGB_CURSOR + if (cursor->bits->argb && cursor_info->LoadCursorARGB) + (*cursor_info->LoadCursorARGB) (scrn, cursor); + else if (src) +#endif + (*cursor_info->LoadCursorImage)(scrn, src); + + x += scrn->frameX0 + cursor_screen_priv->HotX; + y += scrn->frameY0 + cursor_screen_priv->HotY; + (*cursor_info->SetCursorPosition)(scrn, x, y); + } +} + +/** + * Clean up CRTC-based cursor code + */ +void +xf86_cursors_fini (ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + + if (xf86_config->cursor_info) + { + xf86DestroyCursorInfoRec (xf86_config->cursor_info); + xf86_config->cursor_info = NULL; + } + free(xf86_config->cursor_image); + xf86_config->cursor_image = NULL; + if (xf86_config->cursor) + { + FreeCursor (xf86_config->cursor, None); + xf86_config->cursor = NULL; + } +} diff --git a/xorg-server/hw/xfree86/modes/xf86RandR12.c b/xorg-server/hw/xfree86/modes/xf86RandR12.c index 7bfb6fa47..2fe0c47e6 100644 --- a/xorg-server/hw/xfree86/modes/xf86RandR12.c +++ b/xorg-server/hw/xfree86/modes/xf86RandR12.c @@ -1,2029 +1,1802 @@ -/*
- * 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 "xf86.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 sprite_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 (sprite_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->sprite_transform_in_use) {
- pixman_f_transform_point(&crtc->f_screen_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->sprite_transform_in_use,
- &crtc->f_screen_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->sprite_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 px, py;
- Bool useVirtual = FALSE;
- int maxX = 0, maxY = 0;
- Rotation oldRotation = randrp->rotation;
-
- randrp->rotation = rotation;
-
- if (randrp->virtualX == -1 || randrp->virtualY == -1)
- {
- randrp->virtualX = scrp->virtualX;
- randrp->virtualY = scrp->virtualY;
- }
-
- miPointerGetPosition (inputInfo.pointer, &px, &py);
- 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
- */
- if (pScreen == miPointerGetScreen(inputInfo.pointer))
- {
- px = (px >= pScreen->width ? (pScreen->width - 1) : px);
- py = (py >= pScreen->height ? (pScreen->height - 1) : py);
-
- xf86SetViewport(pScreen, px, py);
-
- (*pScreen->SetCursorPosition) (inputInfo.pointer, pScreen, px, py, FALSE);
- }
-
- return TRUE;
-}
-
-static Bool
-xf86RandR12ScreenSetSize (ScreenPtr pScreen,
- CARD16 width,
- CARD16 height,
- CARD16 pixWidth,
- CARD16 pixHeight,
- 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;
- Bool pixSizeChanged = FALSE;
- Bool winSizeChanged = FALSE;
- int c;
-
- if (xf86RandR12Key) {
- if (randrp->virtualX == -1 || randrp->virtualY == -1)
- {
- randrp->virtualX = pScrn->virtualX;
- randrp->virtualY = pScrn->virtualY;
- pixSizeChanged = TRUE;
- }
- }
-
- pScrnPix = (*pScreen->GetScreenPixmap)(pScreen);
- if (pixWidth != pScrnPix->drawable.width ||
- pixHeight != pScrnPix->drawable.height)
- pixSizeChanged = TRUE;
-
- if (width != pScreen->width || height != pScreen->height)
- winSizeChanged = TRUE;
-
- if (pixSizeChanged)
- {
- if (pRoot && pScrn->vtSema)
- (*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE);
-
- /* Let the driver update virtualX and virtualY */
- if (!(*config->funcs->resize)(pScrn, pixWidth, pixHeight))
- goto finish;
- }
-
- ret = TRUE;
-
- if (winSizeChanged)
- {
- /* 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 = width;
- pScreen->height = height;
- if (pRoot)
- {
- BoxRec box;
-
- pRoot->drawable.width = width;
- pRoot->drawable.height = height;
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = width;
- box.y2 = height;
- RegionInit(&pRoot->winSize, &box, 1);
- RegionInit(&pRoot->borderSize, &box, 1);
- }
- pScrnPix->drawable.width = pixWidth;
- pScrnPix->drawable.height = pixHeight;
- randrp->mmWidth = pScreen->mmWidth = mmWidth;
- randrp->mmHeight = pScreen->mmHeight = mmHeight;
-
- if (winSizeChanged)
- {
- xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1);
- xf86SetViewport (pScreen, 0, 0);
- }
-
-finish:
- if (pixSizeChanged)
- {
- 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,
- 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, crtc->scanoutPixmap);
- 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,
- PixmapPtr scanout_pixmap)
-{
- XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- xf86CrtcPtr crtc = randr_crtc->devPrivate;
- RRTransformPtr transform;
- xf86CrtcSetFlags flags = 0;
- 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)
- flags |= XF86CrtcSetMode;
- else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
- flags |= XF86CrtcSetMode;
-
- if (rotation != crtc->rotation)
- flags |= XF86CrtcSetRotation;
-
- transform = RRCrtcGetTransform (randr_crtc);
- if ((transform != NULL) != crtc->transformPresent)
- flags |= XF86CrtcSetTransform;
- else if (transform && memcmp (&transform->transform, &crtc->transform.transform,
- sizeof (transform->transform)) != 0)
- flags |= XF86CrtcSetTransform;
-
- if (scanout_pixmap != crtc->scanoutPixmap)
- flags |= XF86CrtcSetScanoutPixmap;
-
- if (x != crtc->x || y != crtc->y)
- flags |= XF86CrtcSetOrigin;
- 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)
- {
- flags |= XF86CrtcSetOutput;
- output->crtc = new_crtc;
- }
- }
- for (ro = 0; ro < num_randr_outputs; ro++)
- if (randr_outputs[ro]->pendingProperties)
- flags |= XF86CrtcSetProperty;
-
- /* XXX need device-independent mode setting code through an API */
- if (flags)
- {
- crtc->enabled = randr_mode != NULL;
-
- if (randr_mode)
- {
- DisplayModeRec mode;
- RRTransformPtr transform = RRCrtcGetTransform (randr_crtc);
- xf86CrtcSetRec set;
-
- xf86RandRModeConvert (pScrn, randr_mode, &mode);
- set.mode = &mode;
- set.rotation = rotation;
- set.transform = transform;
- set.x = x;
- set.y = y;
- set.scanout_pixmap = scanout_pixmap;
- set.flags = flags;
- if (!xf86CrtcSet(crtc, &set))
- {
- 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 RRScanoutPixmapInfo *
-xf86RRQueryScanoutPixmaps(ScreenPtr screen, int *n_info)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- RRScanoutPixmapInfo *info;
- int f;
-
- info = calloc(config->num_scanout_formats, sizeof (RRScanoutPixmapInfo));
- if (config->num_scanout_formats && !info) {
- *n_info = 0;
- return NULL;
- }
- for (f = 0; f < config->num_scanout_formats; f++) {
- info[f].maxWidth = config->scanout_formats[f].maxWidth;
- info[f].maxHeight = config->scanout_formats[f].maxHeight;
- info[f].depth = config->scanout_formats[f].depth;
- info[f].rotations = config->scanout_formats[f].rotations;
- info[f].format = PictureMatchFormat (screen, info[f].depth,
- config->scanout_formats[f].format);
- }
- *n_info = config->num_scanout_formats;
- return info;
-}
-
-static PixmapPtr
-xf86RRCreateScanoutPixmap(ScreenPtr screen,
- int width, int height, int depth,
- Rotation rotations,
- PictFormatPtr format)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
- int f;
-
- if (!config->funcs->create_scanout_pixmap)
- return NullPixmap;
-
- for (f = 0; f < config->num_scanout_formats; f++)
- if (config->scanout_formats[f].depth == depth &&
- (config->scanout_formats[f].format & 0xffffff) == format->format) {
- return (*config->funcs->create_scanout_pixmap) (scrn, width, height,
- rotations,
- &config->scanout_formats[f]);
- }
- return NullPixmap;
-}
-
-static void
-xf86RandR14SetCrtcSpriteTransform(ScreenPtr pScreen,
- RRCrtcPtr randr_crtc,
- struct pixman_f_transform *f_position_transform,
- struct pixman_f_transform *f_image_transform)
-{
- xf86CrtcPtr crtc = randr_crtc->devPrivate;
-
- crtc->user_sprite_position_transform = *f_position_transform;
- crtc->user_sprite_image_transform = *f_image_transform;
- xf86CrtcRotateCursor(crtc);
- xf86_reload_cursors(pScreen);
-}
-
-static Bool
-xf86RRConvertCrtcConfig(xf86CrtcSetConfigPtr xf86_config,
- RRCrtcConfigPtr rr_config)
-{
- RRCrtcPtr rr_crtc = rr_config->crtc;
- xf86CrtcPtr crtc = rr_crtc->devPrivate;
- ScrnInfoPtr scrn = xf86Screens[rr_crtc->pScreen->myNum];
- int o;
-
- xf86_config->crtc = crtc;
- xf86_config->x = rr_config->x;
- xf86_config->y = rr_config->y;
- xf86RandRModeConvert(scrn, rr_config->mode, &xf86_config->mode);
- xf86_config->rotation = rr_config->rotation;
- xf86_config->numOutputs = rr_config->numOutputs;
- xf86_config->outputs = calloc(rr_config->numOutputs, sizeof (xf86OutputPtr));
- if (!xf86_config->outputs)
- return FALSE;
- for (o = 0; o < rr_config->numOutputs; o++)
- xf86_config->outputs[o] = rr_config->outputs[o]->devPrivate;
- xf86_config->sprite_position_transform = rr_config->sprite_position_f_transform;
- xf86_config->sprite_image_transform = rr_config->sprite_image_f_transform;
- xf86_config->pixmap = rr_config->pixmap;
- xf86_config->pixmap_x = rr_config->pixmap_x;
- xf86_config->pixmap_y = rr_config->pixmap_y;
- return TRUE;
-}
-
-static void
-xf86FreeCrtcSetConfigs(xf86CrtcSetConfigPtr xf86_crtc_configs, int num_configs)
-{
- int i;
-
- for (i = 0; i < num_configs; i++)
- free(xf86_crtc_configs[i].outputs);
- free(xf86_crtc_configs);
-}
-
-static Bool
-xf86RRSetCrtcConfigs(ScreenPtr screen,
- RRScreenConfigPtr screen_config,
- RRCrtcConfigPtr crtc_configs,
- int num_configs)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
-
- if (config->funcs->set_config) {
- xf86CrtcSetConfigPtr xf86_crtc_configs;
- int i;
- xf86SetConfigResponse response;
-
- /*
- * Convert RRCrtcConfigRecs to xf86CrtcSetConfigs
- */
- xf86_crtc_configs = calloc(num_configs, sizeof (xf86CrtcSetConfigRec));
- if (!xf86_crtc_configs)
- return FALSE;
- for (i = 0; i < num_configs; i++)
- if (!xf86RRConvertCrtcConfig(&xf86_crtc_configs[i], &crtc_configs[i])) {
- xf86FreeCrtcSetConfigs(xf86_crtc_configs, num_configs);
- return FALSE;
- }
-
- /*
- * Ask the driver to set the configuration
- */
- response = (*config->funcs->set_config)(scrn,
- screen_config,
- xf86_crtc_configs,
- num_configs);
- xf86FreeCrtcSetConfigs(xf86_crtc_configs, num_configs);
-
- /*
- * The driver is allowed to answer with one of three
- * responses:
- */
- switch (response) {
- case xf86SetConfigFailed:
-
- /* The configuration isn't usable, or some error
- * occurred while setting it. Everything has been
- * cleaned up and we're ready to return an error
- * back to the client
- */
- return FALSE;
- case xf86SetConfigDone:
-
- /* The configuration was acceptable, and the whole
- * mode setting experience is over. Nothing more to do
- * here.
- */
- return TRUE;
- case xf86SetConfigChecked:
-
- /* The configuration was acceptable, but the driver
- * didn't actually do anything. Go ask the DIX code
- * to do the mode setting operation using the simpler
- * interfaces
- */
- break;
- }
- }
- return miRRSetCrtcConfigs(screen, screen_config, crtc_configs, num_configs);
-}
-
-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;
- rp->rrOutputGetProperty = xf86RandR13OutputGetProperty;
- rp->rrGetPanning = xf86RandR13GetPanning;
- rp->rrSetPanning = xf86RandR13SetPanning;
- rp->rrModeDestroy = xf86RandR12ModeDestroy;
- rp->rrSetConfig = NULL;
- pScrn->PointerMoved = xf86RandR12PointerMoved;
- pScrn->ChangeGamma = xf86RandR12ChangeGamma;
- rp->rrSetCrtcSpriteTransform = xf86RandR14SetCrtcSpriteTransform;
- rp->rrSetCrtcConfigs = xf86RRSetCrtcConfigs;
- rp->rrQueryScanoutPixmaps = xf86RRQueryScanoutPixmaps;
- rp->rrCreateScanoutPixmap = xf86RRCreateScanoutPixmap;
-
- 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;
-}
+/* + * 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 "xf86.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 px, py; + Bool useVirtual = FALSE; + int maxX = 0, maxY = 0; + Rotation oldRotation = randrp->rotation; + + randrp->rotation = rotation; + + if (randrp->virtualX == -1 || randrp->virtualY == -1) + { + randrp->virtualX = scrp->virtualX; + randrp->virtualY = scrp->virtualY; + } + + miPointerGetPosition (inputInfo.pointer, &px, &py); + 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 + */ + if (pScreen == miPointerGetScreen(inputInfo.pointer)) + { + px = (px >= pScreen->width ? (pScreen->width - 1) : px); + py = (py >= pScreen->height ? (pScreen->height - 1) : py); + + xf86SetViewport(pScreen, px, py); + + (*pScreen->SetCursorPosition) (inputInfo.pointer, 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; + + 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 */ + int i; + 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; +} diff --git a/xorg-server/hw/xfree86/modes/xf86Rotate.c b/xorg-server/hw/xfree86/modes/xf86Rotate.c index 0181bc381..57c3499ac 100644 --- a/xorg-server/hw/xfree86/modes/xf86Rotate.c +++ b/xorg-server/hw/xfree86/modes/xf86Rotate.c @@ -1,565 +1,525 @@ -/*
- * Copyright © 2006 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#else
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#endif
-
-#include <stddef.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "xf86.h"
-#include "xf86DDC.h"
-#include "fb.h"
-#include "windowstr.h"
-#include "xf86Crtc.h"
-#include "xf86Modes.h"
-#include "xf86RandR12.h"
-#include "X11/extensions/render.h"
-#include "X11/extensions/dpmsconst.h"
-#include "X11/Xatom.h"
-
-/* borrowed from composite extension, move to Render and publish? */
-
-static VisualPtr
-compGetWindowVisual (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- VisualID vid = wVisual (pWin);
- int i;
-
- for (i = 0; i < pScreen->numVisuals; i++)
- if (pScreen->visuals[i].vid == vid)
- return &pScreen->visuals[i];
- return 0;
-}
-
-static PictFormatPtr
-compWindowFormat (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- return PictureMatchVisual (pScreen, pWin->drawable.depth,
- compGetWindowVisual (pWin));
-}
-
-#define F(x) IntToxFixed(x)
-
-#define toF(x) ((float) (x) / 65536.0f)
-
-static void
-xf86RotateCrtcRedisplay (xf86CrtcPtr crtc, RegionPtr region)
-{
- ScrnInfoPtr scrn = crtc->scrn;
- ScreenPtr screen = scrn->pScreen;
- WindowPtr root = screen->root;
- PixmapPtr dst_pixmap = crtc->rotatedPixmap;
- PictFormatPtr format = compWindowFormat (screen->root);
- int error;
- PicturePtr src, dst;
- int n = RegionNumRects(region);
- BoxPtr b = RegionRects(region);
- XID include_inferiors = IncludeInferiors;
-
- src = CreatePicture (None,
- &root->drawable,
- format,
- CPSubwindowMode,
- &include_inferiors,
- serverClient,
- &error);
- if (!src)
- return;
-
- dst = CreatePicture (None,
- &dst_pixmap->drawable,
- format,
- 0L,
- NULL,
- serverClient,
- &error);
- if (!dst)
- return;
-
- error = SetPictureTransform (src, &crtc->crtc_to_framebuffer);
- if (error)
- return;
- if (crtc->transform_in_use && crtc->filter)
- SetPicturePictFilter (src, crtc->filter,
- crtc->params, crtc->nparams);
-
- if (crtc->shadowClear)
- {
- CompositePicture (PictOpSrc,
- src, NULL, dst,
- 0, 0, 0, 0, 0, 0,
- crtc->mode.HDisplay, crtc->mode.VDisplay);
- crtc->shadowClear = FALSE;
- }
- else
- {
- while (n--)
- {
- BoxRec dst_box;
-
- dst_box = *b;
- dst_box.x1 -= crtc->filter_width >> 1;
- dst_box.x2 += crtc->filter_width >> 1;
- dst_box.y1 -= crtc->filter_height >> 1;
- dst_box.y2 += crtc->filter_height >> 1;
- pixman_f_transform_bounds (&crtc->f_framebuffer_to_crtc, &dst_box);
- CompositePicture (PictOpSrc,
- src, NULL, dst,
- dst_box.x1, dst_box.y1, 0, 0, dst_box.x1, dst_box.y1,
- dst_box.x2 - dst_box.x1,
- dst_box.y2 - dst_box.y1);
- b++;
- }
- }
- FreePicture (src, None);
- FreePicture (dst, None);
-}
-
-static void
-xf86CrtcDamageShadow (xf86CrtcPtr crtc)
-{
- ScrnInfoPtr pScrn = crtc->scrn;
- BoxRec damage_box;
- RegionRec damage_region;
- ScreenPtr pScreen = pScrn->pScreen;
-
- damage_box.x1 = 0;
- damage_box.x2 = crtc->mode.HDisplay;
- damage_box.y1 = 0;
- damage_box.y2 = crtc->mode.VDisplay;
- if (!pixman_transform_bounds (&crtc->crtc_to_framebuffer, &damage_box))
- {
- damage_box.x1 = 0;
- damage_box.y1 = 0;
- damage_box.x2 = pScreen->width;
- damage_box.y2 = pScreen->height;
- }
- if (damage_box.x1 < 0) damage_box.x1 = 0;
- if (damage_box.y1 < 0) damage_box.y1 = 0;
- if (damage_box.x2 > pScreen->width) damage_box.x2 = pScreen->width;
- if (damage_box.y2 > pScreen->height) damage_box.y2 = pScreen->height;
- RegionInit(&damage_region, &damage_box, 1);
- DamageDamageRegion (&(*pScreen->GetScreenPixmap)(pScreen)->drawable,
- &damage_region);
- RegionUninit(&damage_region);
- crtc->shadowClear = TRUE;
-}
-
-static void
-xf86RotatePrepare (ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- int c;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->rotatedData && !crtc->rotatedPixmap)
- {
- crtc->rotatedPixmap = crtc->funcs->shadow_create (crtc,
- crtc->rotatedData,
- crtc->mode.HDisplay,
- crtc->mode.VDisplay);
- if (!xf86_config->rotation_damage_registered)
- {
- /* Hook damage to screen pixmap */
- DamageRegister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable,
- xf86_config->rotation_damage);
- xf86_config->rotation_damage_registered = TRUE;
- EnableLimitedSchedulingLatency();
- }
-
- xf86CrtcDamageShadow (crtc);
- }
- }
-}
-
-static Bool
-xf86RotateRedisplay(ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- DamagePtr damage = xf86_config->rotation_damage;
- RegionPtr region;
-
- if (!damage)
- return FALSE;
- xf86RotatePrepare (pScreen);
- region = DamageRegion(damage);
- if (RegionNotEmpty(region))
- {
- int c;
- SourceValidateProcPtr SourceValidate;
-
- /*
- * SourceValidate is used by the software cursor code
- * to pull the cursor off of the screen when reading
- * bits from the frame buffer. Bypassing this function
- * leaves the software cursor in place
- */
- SourceValidate = pScreen->SourceValidate;
- pScreen->SourceValidate = NULL;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- {
- xf86CrtcPtr crtc = xf86_config->crtc[c];
-
- if (crtc->transform_in_use && crtc->enabled)
- {
- RegionRec crtc_damage;
-
- /* compute portion of damage that overlaps crtc */
- RegionInit(&crtc_damage, &crtc->bounds, 1);
- RegionIntersect(&crtc_damage, &crtc_damage, region);
-
- /* update damaged region */
- if (RegionNotEmpty(&crtc_damage))
- xf86RotateCrtcRedisplay (crtc, &crtc_damage);
-
- RegionUninit(&crtc_damage);
- }
- }
- pScreen->SourceValidate = SourceValidate;
- DamageEmpty(damage);
- }
- return TRUE;
-}
-
-static void
-xf86RotateBlockHandler(int screenNum, pointer blockData,
- pointer pTimeout, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- ScrnInfoPtr pScrn = xf86Screens[screenNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- Bool rotation_active;
-
- rotation_active = xf86RotateRedisplay(pScreen);
- pScreen->BlockHandler = xf86_config->BlockHandler;
- (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
- /* cannot avoid re-wrapping until all wrapping is audited */
- xf86_config->BlockHandler = pScreen->BlockHandler;
- pScreen->BlockHandler = xf86RotateBlockHandler;
-}
-
-void
-xf86RotateDestroy (xf86CrtcPtr crtc)
-{
- ScrnInfoPtr pScrn = crtc->scrn;
- ScreenPtr pScreen = pScrn->pScreen;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- int c;
-
- /* Free memory from rotation */
- if (crtc->rotatedPixmap || crtc->rotatedData)
- {
- crtc->funcs->shadow_destroy (crtc, crtc->rotatedPixmap, crtc->rotatedData);
- crtc->rotatedPixmap = NULL;
- crtc->rotatedData = NULL;
- }
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- if (xf86_config->crtc[c]->transform_in_use)
- return;
-
- /*
- * Clean up damage structures when no crtcs are rotated
- */
- if (xf86_config->rotation_damage)
- {
- /* Free damage structure */
- if (xf86_config->rotation_damage_registered)
- {
- DamageUnregister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable,
- xf86_config->rotation_damage);
- xf86_config->rotation_damage_registered = FALSE;
- DisableLimitedSchedulingLatency();
- }
- DamageDestroy (xf86_config->rotation_damage);
- xf86_config->rotation_damage = NULL;
- }
-}
-
-void
-xf86RotateFreeShadow(ScrnInfoPtr pScrn)
-{
- xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
- int c;
-
- for (c = 0; c < config->num_crtc; c++) {
- xf86CrtcPtr crtc = config->crtc[c];
-
- if (crtc->rotatedPixmap || crtc->rotatedData) {
- crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap,
- crtc->rotatedData);
- crtc->rotatedPixmap = NULL;
- crtc->rotatedData = NULL;
- }
- }
-}
-
-void
-xf86RotateCloseScreen (ScreenPtr screen)
-{
- ScrnInfoPtr scrn = xf86Screens[screen->myNum];
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
- int c;
-
- for (c = 0; c < xf86_config->num_crtc; c++)
- xf86RotateDestroy (xf86_config->crtc[c]);
-}
-
-static Bool
-xf86CrtcFitsScreen (xf86CrtcPtr crtc, struct pict_f_transform *crtc_to_fb)
-{
- ScrnInfoPtr pScrn = crtc->scrn;
- BoxRec b;
-
- /* When called before PreInit, the driver is
- * presumably doing load detect
- */
- if (pScrn->virtualX == 0 || pScrn->virtualY == 0)
- return TRUE;
-
- b.x1 = 0;
- b.y1 = 0;
- b.x2 = crtc->mode.HDisplay;
- b.y2 = crtc->mode.VDisplay;
- if (crtc_to_fb)
- pixman_f_transform_bounds (crtc_to_fb, &b);
- else {
- b.x1 += crtc->x;
- b.y1 += crtc->y;
- b.x2 += crtc->x;
- b.y2 += crtc->y;
- }
-
- return (0 <= b.x1 && b.x2 <= pScrn->virtualX &&
- 0 <= b.y1 && b.y2 <= pScrn->virtualY);
-}
-
-/*
- * A subset of xf86CrtcRotate that just deals with
- * cursor image/position transforms. Used when changing
- * the cursor transform
- */
-void
-xf86CrtcRotateCursor (xf86CrtcPtr crtc)
-{
- /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */
- RRTransformPtr transform = NULL;
- PictTransform crtc_to_fb;
- struct pict_f_transform f_crtc_to_fb, f_fb_to_crtc, f_screen_to_crtc, f_crtc_to_cursor;
-
- if (crtc->transformPresent)
- transform = &crtc->transform;
-
- (void) RRTransformCompute (crtc->x, crtc->y,
- crtc->mode.HDisplay, crtc->mode.VDisplay,
- crtc->rotation,
- transform,
- &crtc->user_sprite_position_transform,
- &crtc->user_sprite_image_transform,
-
- &crtc_to_fb,
- &f_crtc_to_fb,
- &f_fb_to_crtc,
- &f_screen_to_crtc,
- &f_crtc_to_cursor,
- &crtc->sprite_transform_in_use);
- crtc->f_screen_to_crtc = f_screen_to_crtc;
- crtc->f_crtc_to_cursor = f_crtc_to_cursor;
-}
-
-Bool
-xf86CrtcRotate (xf86CrtcPtr crtc)
-{
- ScrnInfoPtr pScrn = crtc->scrn;
- xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
- /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */
- ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex];
- PictTransform crtc_to_fb;
- struct pict_f_transform f_crtc_to_fb, f_fb_to_crtc, f_screen_to_crtc, f_crtc_to_cursor;
- xFixed *new_params = NULL;
- int new_nparams = 0;
- PictFilterPtr new_filter = NULL;
- int new_width = 0;
- int new_height = 0;
- RRTransformPtr transform = NULL;
- Bool damage = FALSE;
-
- if (crtc->transformPresent)
- transform = &crtc->transform;
-
- if (!RRTransformCompute (crtc->x, crtc->y,
- crtc->mode.HDisplay, crtc->mode.VDisplay,
- crtc->rotation,
- transform,
- &crtc->user_sprite_position_transform,
- &crtc->user_sprite_image_transform,
-
- &crtc_to_fb,
- &f_crtc_to_fb,
- &f_fb_to_crtc,
- &f_screen_to_crtc,
- &f_crtc_to_cursor,
- &crtc->sprite_transform_in_use) &&
- xf86CrtcFitsScreen (crtc, &f_crtc_to_fb))
- {
- /*
- * If the untranslated transformation is the identity,
- * disable the shadow buffer
- */
- xf86RotateDestroy (crtc);
- crtc->transform_in_use = FALSE;
- free(new_params);
- new_params = NULL;
- new_nparams = 0;
- new_filter = NULL;
- new_width = 0;
- new_height = 0;
- }
- else
- {
- /*
- * these are the size of the shadow pixmap, which
- * matches the mode, not the pre-rotated copy in the
- * frame buffer
- */
- int width = crtc->mode.HDisplay;
- int height = crtc->mode.VDisplay;
- void *shadowData = crtc->rotatedData;
- PixmapPtr shadow = crtc->rotatedPixmap;
- int old_width = shadow ? shadow->drawable.width : 0;
- int old_height = shadow ? shadow->drawable.height : 0;
-
- /* Allocate memory for rotation */
- if (old_width != width || old_height != height)
- {
- if (shadow || shadowData)
- {
- crtc->funcs->shadow_destroy (crtc, shadow, shadowData);
- crtc->rotatedPixmap = NULL;
- crtc->rotatedData = NULL;
- }
- shadowData = crtc->funcs->shadow_allocate (crtc, width, height);
- if (!shadowData)
- goto bail1;
- crtc->rotatedData = shadowData;
- /* shadow will be damaged in xf86RotatePrepare */
- }
- else
- {
- /* mark shadowed area as damaged so it will be repainted */
- damage = TRUE;
- }
-
- if (!xf86_config->rotation_damage)
- {
- /* Create damage structure */
- xf86_config->rotation_damage = DamageCreate (NULL, NULL,
- DamageReportNone,
- TRUE, pScreen, pScreen);
- if (!xf86_config->rotation_damage)
- goto bail2;
-
- /* Wrap block handler */
- if (!xf86_config->BlockHandler) {
- xf86_config->BlockHandler = pScreen->BlockHandler;
- pScreen->BlockHandler = xf86RotateBlockHandler;
- }
- }
-#ifdef RANDR_12_INTERFACE
- if (transform)
- {
- if (transform->nparams) {
- new_params = malloc(transform->nparams * sizeof (xFixed));
- if (new_params) {
- memcpy (new_params, transform->params,
- transform->nparams * sizeof (xFixed));
- new_nparams = transform->nparams;
- new_filter = transform->filter;
- }
- } else
- new_filter = transform->filter;
- if (new_filter)
- {
- new_width = new_filter->width;
- new_height = new_filter->height;
- }
- }
-#endif
-
- if (0)
- {
- bail2:
- if (shadow || shadowData)
- {
- crtc->funcs->shadow_destroy (crtc, shadow, shadowData);
- crtc->rotatedPixmap = NULL;
- crtc->rotatedData = NULL;
- }
- bail1:
- if (old_width && old_height)
- crtc->rotatedPixmap = crtc->funcs->shadow_create (crtc,
- NULL,
- old_width,
- old_height);
- return FALSE;
- }
- crtc->transform_in_use = TRUE;
- }
- crtc->crtc_to_framebuffer = crtc_to_fb;
- crtc->f_crtc_to_framebuffer = f_crtc_to_fb;
- crtc->f_framebuffer_to_crtc = f_fb_to_crtc;
- crtc->f_screen_to_crtc = f_screen_to_crtc;
- crtc->f_crtc_to_cursor = f_crtc_to_cursor;
- free(crtc->params);
- crtc->params = new_params;
- crtc->nparams = new_nparams;
- crtc->filter = new_filter;
- crtc->filter_width = new_width;
- crtc->filter_height = new_height;
- crtc->bounds.x1 = 0;
- crtc->bounds.x2 = crtc->mode.HDisplay;
- crtc->bounds.y1 = 0;
- crtc->bounds.y2 = crtc->mode.VDisplay;
- pixman_f_transform_bounds (&f_crtc_to_fb, &crtc->bounds);
-
- if (damage)
- xf86CrtcDamageShadow (crtc);
-
- /* All done */
- return TRUE;
-}
+/* + * Copyright © 2006 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#else +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#endif + +#include <stddef.h> +#include <string.h> +#include <stdio.h> + +#include "xf86.h" +#include "xf86DDC.h" +#include "fb.h" +#include "windowstr.h" +#include "xf86Crtc.h" +#include "xf86Modes.h" +#include "xf86RandR12.h" +#include "X11/extensions/render.h" +#include "X11/extensions/dpmsconst.h" +#include "X11/Xatom.h" + +/* borrowed from composite extension, move to Render and publish? */ + +static VisualPtr +compGetWindowVisual (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + VisualID vid = wVisual (pWin); + int i; + + for (i = 0; i < pScreen->numVisuals; i++) + if (pScreen->visuals[i].vid == vid) + return &pScreen->visuals[i]; + return 0; +} + +static PictFormatPtr +compWindowFormat (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + return PictureMatchVisual (pScreen, pWin->drawable.depth, + compGetWindowVisual (pWin)); +} + +#define F(x) IntToxFixed(x) + +#define toF(x) ((float) (x) / 65536.0f) + +static void +xf86RotateCrtcRedisplay (xf86CrtcPtr crtc, RegionPtr region) +{ + ScrnInfoPtr scrn = crtc->scrn; + ScreenPtr screen = scrn->pScreen; + WindowPtr root = screen->root; + PixmapPtr dst_pixmap = crtc->rotatedPixmap; + PictFormatPtr format = compWindowFormat (screen->root); + int error; + PicturePtr src, dst; + int n = RegionNumRects(region); + BoxPtr b = RegionRects(region); + XID include_inferiors = IncludeInferiors; + + src = CreatePicture (None, + &root->drawable, + format, + CPSubwindowMode, + &include_inferiors, + serverClient, + &error); + if (!src) + return; + + dst = CreatePicture (None, + &dst_pixmap->drawable, + format, + 0L, + NULL, + serverClient, + &error); + if (!dst) + return; + + error = SetPictureTransform (src, &crtc->crtc_to_framebuffer); + if (error) + return; + if (crtc->transform_in_use && crtc->filter) + SetPicturePictFilter (src, crtc->filter, + crtc->params, crtc->nparams); + + if (crtc->shadowClear) + { + CompositePicture (PictOpSrc, + src, NULL, dst, + 0, 0, 0, 0, 0, 0, + crtc->mode.HDisplay, crtc->mode.VDisplay); + crtc->shadowClear = FALSE; + } + else + { + while (n--) + { + BoxRec dst_box; + + dst_box = *b; + dst_box.x1 -= crtc->filter_width >> 1; + dst_box.x2 += crtc->filter_width >> 1; + dst_box.y1 -= crtc->filter_height >> 1; + dst_box.y2 += crtc->filter_height >> 1; + pixman_f_transform_bounds (&crtc->f_framebuffer_to_crtc, &dst_box); + CompositePicture (PictOpSrc, + src, NULL, dst, + dst_box.x1, dst_box.y1, 0, 0, dst_box.x1, dst_box.y1, + dst_box.x2 - dst_box.x1, + dst_box.y2 - dst_box.y1); + b++; + } + } + FreePicture (src, None); + FreePicture (dst, None); +} + +static void +xf86CrtcDamageShadow (xf86CrtcPtr crtc) +{ + ScrnInfoPtr pScrn = crtc->scrn; + BoxRec damage_box; + RegionRec damage_region; + ScreenPtr pScreen = pScrn->pScreen; + + damage_box.x1 = 0; + damage_box.x2 = crtc->mode.HDisplay; + damage_box.y1 = 0; + damage_box.y2 = crtc->mode.VDisplay; + if (!pixman_transform_bounds (&crtc->crtc_to_framebuffer, &damage_box)) + { + damage_box.x1 = 0; + damage_box.y1 = 0; + damage_box.x2 = pScreen->width; + damage_box.y2 = pScreen->height; + } + if (damage_box.x1 < 0) damage_box.x1 = 0; + if (damage_box.y1 < 0) damage_box.y1 = 0; + if (damage_box.x2 > pScreen->width) damage_box.x2 = pScreen->width; + if (damage_box.y2 > pScreen->height) damage_box.y2 = pScreen->height; + RegionInit(&damage_region, &damage_box, 1); + DamageDamageRegion (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, + &damage_region); + RegionUninit(&damage_region); + crtc->shadowClear = TRUE; +} + +static void +xf86RotatePrepare (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + int c; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->rotatedData && !crtc->rotatedPixmap) + { + crtc->rotatedPixmap = crtc->funcs->shadow_create (crtc, + crtc->rotatedData, + crtc->mode.HDisplay, + crtc->mode.VDisplay); + if (!xf86_config->rotation_damage_registered) + { + /* Hook damage to screen pixmap */ + DamageRegister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, + xf86_config->rotation_damage); + xf86_config->rotation_damage_registered = TRUE; + EnableLimitedSchedulingLatency(); + } + + xf86CrtcDamageShadow (crtc); + } + } +} + +static Bool +xf86RotateRedisplay(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + DamagePtr damage = xf86_config->rotation_damage; + RegionPtr region; + + if (!damage) + return FALSE; + xf86RotatePrepare (pScreen); + region = DamageRegion(damage); + if (RegionNotEmpty(region)) + { + int c; + SourceValidateProcPtr SourceValidate; + + /* + * SourceValidate is used by the software cursor code + * to pull the cursor off of the screen when reading + * bits from the frame buffer. Bypassing this function + * leaves the software cursor in place + */ + SourceValidate = pScreen->SourceValidate; + pScreen->SourceValidate = NULL; + + for (c = 0; c < xf86_config->num_crtc; c++) + { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + + if (crtc->transform_in_use && crtc->enabled) + { + RegionRec crtc_damage; + + /* compute portion of damage that overlaps crtc */ + RegionInit(&crtc_damage, &crtc->bounds, 1); + RegionIntersect(&crtc_damage, &crtc_damage, region); + + /* update damaged region */ + if (RegionNotEmpty(&crtc_damage)) + xf86RotateCrtcRedisplay (crtc, &crtc_damage); + + RegionUninit(&crtc_damage); + } + } + pScreen->SourceValidate = SourceValidate; + DamageEmpty(damage); + } + return TRUE; +} + +static void +xf86RotateBlockHandler(int screenNum, pointer blockData, + pointer pTimeout, pointer pReadmask) +{ + ScreenPtr pScreen = screenInfo.screens[screenNum]; + ScrnInfoPtr pScrn = xf86Screens[screenNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + Bool rotation_active; + + rotation_active = xf86RotateRedisplay(pScreen); + pScreen->BlockHandler = xf86_config->BlockHandler; + (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask); + /* cannot avoid re-wrapping until all wrapping is audited */ + xf86_config->BlockHandler = pScreen->BlockHandler; + pScreen->BlockHandler = xf86RotateBlockHandler; +} + +void +xf86RotateDestroy (xf86CrtcPtr crtc) +{ + ScrnInfoPtr pScrn = crtc->scrn; + ScreenPtr pScreen = pScrn->pScreen; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + int c; + + /* Free memory from rotation */ + if (crtc->rotatedPixmap || crtc->rotatedData) + { + crtc->funcs->shadow_destroy (crtc, crtc->rotatedPixmap, crtc->rotatedData); + crtc->rotatedPixmap = NULL; + crtc->rotatedData = NULL; + } + + for (c = 0; c < xf86_config->num_crtc; c++) + if (xf86_config->crtc[c]->transform_in_use) + return; + + /* + * Clean up damage structures when no crtcs are rotated + */ + if (xf86_config->rotation_damage) + { + /* Free damage structure */ + if (xf86_config->rotation_damage_registered) + { + DamageUnregister (&(*pScreen->GetScreenPixmap)(pScreen)->drawable, + xf86_config->rotation_damage); + xf86_config->rotation_damage_registered = FALSE; + DisableLimitedSchedulingLatency(); + } + DamageDestroy (xf86_config->rotation_damage); + xf86_config->rotation_damage = NULL; + } +} + +void +xf86RotateFreeShadow(ScrnInfoPtr pScrn) +{ + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + int c; + + for (c = 0; c < config->num_crtc; c++) { + xf86CrtcPtr crtc = config->crtc[c]; + + if (crtc->rotatedPixmap || crtc->rotatedData) { + crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap, + crtc->rotatedData); + crtc->rotatedPixmap = NULL; + crtc->rotatedData = NULL; + } + } +} + +void +xf86RotateCloseScreen (ScreenPtr screen) +{ + ScrnInfoPtr scrn = xf86Screens[screen->myNum]; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); + int c; + + for (c = 0; c < xf86_config->num_crtc; c++) + xf86RotateDestroy (xf86_config->crtc[c]); +} + +static Bool +xf86CrtcFitsScreen (xf86CrtcPtr crtc, struct pict_f_transform *crtc_to_fb) +{ + ScrnInfoPtr pScrn = crtc->scrn; + BoxRec b; + + /* When called before PreInit, the driver is + * presumably doing load detect + */ + if (pScrn->virtualX == 0 || pScrn->virtualY == 0) + return TRUE; + + b.x1 = 0; + b.y1 = 0; + b.x2 = crtc->mode.HDisplay; + b.y2 = crtc->mode.VDisplay; + if (crtc_to_fb) + pixman_f_transform_bounds (crtc_to_fb, &b); + else { + b.x1 += crtc->x; + b.y1 += crtc->y; + b.x2 += crtc->x; + b.y2 += crtc->y; + } + + return (0 <= b.x1 && b.x2 <= pScrn->virtualX && + 0 <= b.y1 && b.y2 <= pScrn->virtualY); +} + +Bool +xf86CrtcRotate (xf86CrtcPtr crtc) +{ + ScrnInfoPtr pScrn = crtc->scrn; + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */ + ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; + PictTransform crtc_to_fb; + struct pict_f_transform f_crtc_to_fb, f_fb_to_crtc; + xFixed *new_params = NULL; + int new_nparams = 0; + PictFilterPtr new_filter = NULL; + int new_width = 0; + int new_height = 0; + RRTransformPtr transform = NULL; + Bool damage = FALSE; + + if (crtc->transformPresent) + transform = &crtc->transform; + + if (!RRTransformCompute (crtc->x, crtc->y, + crtc->mode.HDisplay, crtc->mode.VDisplay, + crtc->rotation, + transform, + + &crtc_to_fb, + &f_crtc_to_fb, + &f_fb_to_crtc) && + xf86CrtcFitsScreen (crtc, &f_crtc_to_fb)) + { + /* + * If the untranslated transformation is the identity, + * disable the shadow buffer + */ + xf86RotateDestroy (crtc); + crtc->transform_in_use = FALSE; + free(new_params); + new_params = NULL; + new_nparams = 0; + new_filter = NULL; + new_width = 0; + new_height = 0; + } + else + { + /* + * these are the size of the shadow pixmap, which + * matches the mode, not the pre-rotated copy in the + * frame buffer + */ + int width = crtc->mode.HDisplay; + int height = crtc->mode.VDisplay; + void *shadowData = crtc->rotatedData; + PixmapPtr shadow = crtc->rotatedPixmap; + int old_width = shadow ? shadow->drawable.width : 0; + int old_height = shadow ? shadow->drawable.height : 0; + + /* Allocate memory for rotation */ + if (old_width != width || old_height != height) + { + if (shadow || shadowData) + { + crtc->funcs->shadow_destroy (crtc, shadow, shadowData); + crtc->rotatedPixmap = NULL; + crtc->rotatedData = NULL; + } + shadowData = crtc->funcs->shadow_allocate (crtc, width, height); + if (!shadowData) + goto bail1; + crtc->rotatedData = shadowData; + /* shadow will be damaged in xf86RotatePrepare */ + } + else + { + /* mark shadowed area as damaged so it will be repainted */ + damage = TRUE; + } + + if (!xf86_config->rotation_damage) + { + /* Create damage structure */ + xf86_config->rotation_damage = DamageCreate (NULL, NULL, + DamageReportNone, + TRUE, pScreen, pScreen); + if (!xf86_config->rotation_damage) + goto bail2; + + /* Wrap block handler */ + if (!xf86_config->BlockHandler) { + xf86_config->BlockHandler = pScreen->BlockHandler; + pScreen->BlockHandler = xf86RotateBlockHandler; + } + } +#ifdef RANDR_12_INTERFACE + if (transform) + { + if (transform->nparams) { + new_params = malloc(transform->nparams * sizeof (xFixed)); + if (new_params) { + memcpy (new_params, transform->params, + transform->nparams * sizeof (xFixed)); + new_nparams = transform->nparams; + new_filter = transform->filter; + } + } else + new_filter = transform->filter; + if (new_filter) + { + new_width = new_filter->width; + new_height = new_filter->height; + } + } +#endif + + if (0) + { + bail2: + if (shadow || shadowData) + { + crtc->funcs->shadow_destroy (crtc, shadow, shadowData); + crtc->rotatedPixmap = NULL; + crtc->rotatedData = NULL; + } + bail1: + if (old_width && old_height) + crtc->rotatedPixmap = crtc->funcs->shadow_create (crtc, + NULL, + old_width, + old_height); + return FALSE; + } + crtc->transform_in_use = TRUE; + } + crtc->crtc_to_framebuffer = crtc_to_fb; + crtc->f_crtc_to_framebuffer = f_crtc_to_fb; + crtc->f_framebuffer_to_crtc = f_fb_to_crtc; + free(crtc->params); + crtc->params = new_params; + crtc->nparams = new_nparams; + crtc->filter = new_filter; + crtc->filter_width = new_width; + crtc->filter_height = new_height; + crtc->bounds.x1 = 0; + crtc->bounds.x2 = crtc->mode.HDisplay; + crtc->bounds.y1 = 0; + crtc->bounds.y2 = crtc->mode.VDisplay; + pixman_f_transform_bounds (&f_crtc_to_fb, &crtc->bounds); + + if (damage) + xf86CrtcDamageShadow (crtc); + + /* All done */ + return TRUE; +} |