From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/hw/xfree86/modes/xf86Crtc.h | 1944 +++++++-------- xorg-server/hw/xfree86/modes/xf86Cursors.c | 1376 +++++------ xorg-server/hw/xfree86/modes/xf86RandR12.c | 3646 ++++++++++++++-------------- xorg-server/hw/xfree86/modes/xf86Rotate.c | 1050 ++++---- 4 files changed, 4008 insertions(+), 4008 deletions(-) (limited to 'xorg-server/hw/xfree86/modes') diff --git a/xorg-server/hw/xfree86/modes/xf86Crtc.h b/xorg-server/hw/xfree86/modes/xf86Crtc.h index 5dfcec280..68a968cc2 100644 --- a/xorg-server/hw/xfree86/modes/xf86Crtc.h +++ b/xorg-server/hw/xfree86/modes/xf86Crtc.h @@ -1,972 +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 -#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_ */ +/* + * 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 +#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 5562f29cc..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 -#else -#ifdef HAVE_CONFIG_H -#include -#endif -#endif - -#include -#include -#include - -#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; - } -} +/* + * 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 +#else +#ifdef HAVE_CONFIG_H +#include +#endif +#endif + +#include +#include +#include + +#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 6d676363b..cb20d1c35 100644 --- a/xorg-server/hw/xfree86/modes/xf86RandR12.c +++ b/xorg-server/hw/xfree86/modes/xf86RandR12.c @@ -1,1823 +1,1823 @@ -/* - * 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 -#else -#ifdef HAVE_CONFIG_H -#include -#endif -#endif - -#include "xf86.h" -#include "os.h" -#include "globals.h" -#include "xf86Priv.h" -#include "xf86DDC.h" -#include "mipointer.h" -#include "windowstr.h" -#include "inputstr.h" -#include -#include - -#include "xf86Crtc.h" -#include "xf86RandR12.h" - -typedef struct _xf86RandR12Info { - int virtualX; - int virtualY; - int mmWidth; - int mmHeight; - int maxX; - int maxY; - int pointerX; - int pointerY; - Rotation rotation; /* current mode */ - Rotation supported_rotations; /* driver supported */ - - /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends - * (actually, any time that we switch back into our VT). - * - * See https://bugs.freedesktop.org/show_bug.cgi?id=21554 - */ - xf86EnterVTProc *orig_EnterVT; -} XF86RandRInfoRec, *XF86RandRInfoPtr; - -#ifdef RANDR_12_INTERFACE -static Bool xf86RandR12Init12 (ScreenPtr pScreen); -static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen); -#endif - -static int xf86RandR12Generation; - -static DevPrivateKeyRec xf86RandR12KeyRec; -static DevPrivateKey xf86RandR12Key; -#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \ - dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key)) - - -static int -xf86RandR12ModeRefresh (DisplayModePtr mode) -{ - if (mode->VRefresh) - return (int) (mode->VRefresh + 0.5); - else - return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5); -} - -/* Adapt panning area; return TRUE if panning area was valid without adaption */ -static int -xf86RandR13VerifyPanningArea (xf86CrtcPtr crtc, int screenWidth, int screenHeight) -{ - int ret = TRUE; - - if (crtc->version < 2) - return FALSE; - - if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) { - /* Panning in X is disabled */ - if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2) - /* Illegal configuration -> fail/disable */ - ret = FALSE; - crtc->panningTotalArea.x1 = crtc->panningTotalArea.x2 = 0; - crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0; - crtc->panningBorder[0] = crtc->panningBorder[2] = 0; - } else { - /* Panning in X is enabled */ - if (crtc->panningTotalArea.x1 < 0) { - /* Panning region outside screen -> move inside */ - crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1; - crtc->panningTotalArea.x1 = 0; - ret = FALSE; - } - if (crtc->panningTotalArea.x2 < crtc->panningTotalArea.x1 + crtc->mode.HDisplay) { - /* Panning region smaller than displayed area -> crop to displayed area */ - crtc->panningTotalArea.x2 = crtc->panningTotalArea.x1 + crtc->mode.HDisplay; - ret = FALSE; - } - if (crtc->panningTotalArea.x2 > screenWidth) { - /* Panning region larger than screen -> move inside, then crop to screen */ - crtc->panningTotalArea.x1 -= crtc->panningTotalArea.x2 - screenWidth; - crtc->panningTotalArea.x2 = screenWidth; - ret = FALSE; - if (crtc->panningTotalArea.x1 < 0) - crtc->panningTotalArea.x1 = 0; - } - if (crtc->panningBorder[0] + crtc->panningBorder[2] > crtc->mode.HDisplay) { - /* Borders too large -> set to 0 */ - crtc->panningBorder[0] = crtc->panningBorder[2] = 0; - ret = FALSE; - } - } - - if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) { - /* Panning in Y is disabled */ - if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2) - /* Illegal configuration -> fail/disable */ - ret = FALSE; - crtc->panningTotalArea.y1 = crtc->panningTotalArea.y2 = 0; - crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0; - crtc->panningBorder[1] = crtc->panningBorder[3] = 0; - } else { - /* Panning in Y is enabled */ - if (crtc->panningTotalArea.y1 < 0) { - /* Panning region outside screen -> move inside */ - crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1; - crtc->panningTotalArea.y1 = 0; - ret = FALSE; - } - if (crtc->panningTotalArea.y2 < crtc->panningTotalArea.y1 + crtc->mode.VDisplay) { - /* Panning region smaller than displayed area -> crop to displayed area */ - crtc->panningTotalArea.y2 = crtc->panningTotalArea.y1 + crtc->mode.VDisplay; - ret = FALSE; - } - if (crtc->panningTotalArea.y2 > screenHeight) { - /* Panning region larger than screen -> move inside, then crop to screen */ - crtc->panningTotalArea.y1 -= crtc->panningTotalArea.y2 - screenHeight; - crtc->panningTotalArea.y2 = screenHeight; - ret = FALSE; - if (crtc->panningTotalArea.y1 < 0) - crtc->panningTotalArea.y1 = 0; - } - if (crtc->panningBorder[1] + crtc->panningBorder[3] > crtc->mode.VDisplay) { - /* Borders too large -> set to 0 */ - crtc->panningBorder[1] = crtc->panningBorder[3] = 0; - ret = FALSE; - } - } - - return ret; -} - -/* - * The heart of the panning operation: - * - * Given a frame buffer position (fb_x, fb_y), - * and a crtc position (crtc_x, crtc_y), - * and a transform matrix which maps frame buffer to crtc, - * compute a panning position (pan_x, pan_y) that - * makes the resulting transform line those two up - */ - -static void -xf86ComputeCrtcPan (Bool transform_in_use, - struct pixman_f_transform *m, - double screen_x, double screen_y, - double crtc_x, double crtc_y, - int old_pan_x, int old_pan_y, - int *new_pan_x, int *new_pan_y) -{ - if (transform_in_use) { - /* - * Given the current transform, M, the current position - * on the Screen, S, and the desired position on the CRTC, - * C, compute a translation, T, such that: - * - * M T S = C - * - * where T is of the form - * - * | 1 0 dx | - * | 0 1 dy | - * | 0 0 1 | - * - * M T S = - * | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 | | Cx F | - * | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F | - * | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 | | F | - * - * R = M S - * - * Cx F = M00 dx + M01 dy + R0 - * Cy F = M10 dx + M11 dy + R1 - * F = M20 dx + M21 dy + R2 - * - * Zero out dx, then dy - * - * F (Cx M10 - Cy M00) = - * (M10 M01 - M00 M11) dy + M10 R0 - M00 R1 - * F (M10 - Cy M20) = - * (M10 M21 - M20 M11) dy + M10 R2 - M20 R1 - * - * F (Cx M11 - Cy M01) = - * (M11 M00 - M01 M10) dx + M11 R0 - M01 R1 - * F (M11 - Cy M21) = - * (M11 M20 - M21 M10) dx + M11 R2 - M21 R1 - * - * Make some temporaries - * - * T = | Cx M10 - Cy M00 | - * | Cx M11 - Cy M01 | - * - * U = | M10 M01 - M00 M11 | - * | M11 M00 - M01 M10 | - * - * Q = | M10 R0 - M00 R1 | - * | M11 R0 - M01 R1 | - * - * P = | M10 - Cy M20 | - * | M11 - Cy M21 | - * - * W = | M10 M21 - M20 M11 | - * | M11 M20 - M21 M10 | - * - * V = | M10 R2 - M20 R1 | - * | M11 R2 - M21 R1 | - * - * Rewrite: - * - * F T0 = U0 dy + Q0 - * F P0 = W0 dy + V0 - * F T1 = U1 dx + Q1 - * F P1 = W1 dx + V1 - * - * Solve for F (two ways) - * - * F (W0 T0 - U0 P0) = W0 Q0 - U0 V0 - * - * W0 Q0 - U0 V0 - * F = ------------- - * W0 T0 - U0 P0 - * - * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1 - * - * W1 Q1 - U1 V1 - * F = ------------- - * W1 T1 - U1 P1 - * - * We'll use which ever solution works (denominator != 0) - * - * Finally, solve for dx and dy: - * - * dx = (F T1 - Q1) / U1 - * dx = (F P1 - V1) / W1 - * - * dy = (F T0 - Q0) / U0 - * dy = (F P0 - V0) / W0 - */ - double r[3]; - double q[2], u[2], t[2], v[2], w[2], p[2]; - double f; - struct pict_f_vector d; - int i; - - /* Get the un-normalized crtc coordinates again */ - for (i = 0; i < 3; i++) - r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2]; - - /* Combine values into temporaries */ - for (i = 0; i < 2; i++) { - q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1]; - u[i] = m->m[1][i] * m->m[0][1-i] - m->m[0][i] * m->m[1][1-i]; - t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y; - - v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1]; - w[i] = m->m[1][i] * m->m[2][1-i] - m->m[2][i] * m->m[1][1-i]; - p[i] = m->m[1][i] - m->m[2][i] * crtc_y; - } - - /* Find a way to compute f */ - f = 0; - for (i = 0; i < 2; i++) { - double a = w[i] * q[i] - u[i] * v[i]; - double b = w[i] * t[i] - u[i] * p[i]; - if (b != 0) { - f = a/b; - break; - } - } - - /* Solve for the resulting transform vector */ - for (i = 0; i < 2; i++) { - if (u[i]) - d.v[1-i] = (t[i] * f - q[i]) / u[i]; - else if (w[1]) - d.v[1-i] = (p[i] * f - v[i]) / w[i]; - else - d.v[1-i] = 0; - } - *new_pan_x = old_pan_x - floor (d.v[0] + 0.5); - *new_pan_y = old_pan_y - floor (d.v[1] + 0.5); - } else { - *new_pan_x = screen_x - crtc_x; - *new_pan_y = screen_y - crtc_y; - } -} - -static void -xf86RandR13Pan (xf86CrtcPtr crtc, int x, int y) -{ - int newX, newY; - int width, height; - Bool panned = FALSE; - - if (crtc->version < 2) - return; - - if (! crtc->enabled || - (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1 && - crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1)) - return; - - newX = crtc->x; - newY = crtc->y; - width = crtc->mode.HDisplay; - height = crtc->mode.VDisplay; - - if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 || - (x >= crtc->panningTrackingArea.x1 && x < crtc->panningTrackingArea.x2)) && - (crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 || - (y >= crtc->panningTrackingArea.y1 && y < crtc->panningTrackingArea.y2))) - { - struct pict_f_vector c; - - /* - * Pre-clip the mouse position to the panning area so that we don't - * push the crtc outside. This doesn't deal with changes to the - * panning values, only mouse position changes. - */ - if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) - { - if (x < crtc->panningTotalArea.x1) - x = crtc->panningTotalArea.x1; - if (x >= crtc->panningTotalArea.x2) - x = crtc->panningTotalArea.x2 - 1; - } - if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) - { - if (y < crtc->panningTotalArea.y1) - y = crtc->panningTotalArea.y1; - if (y >= crtc->panningTotalArea.y2) - y = crtc->panningTotalArea.y2 - 1; - } - - c.v[0] = x; - c.v[1] = y; - c.v[2] = 1.0; - if (crtc->transform_in_use) { - pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c); - } else { - c.v[0] -= crtc->x; - c.v[1] -= crtc->y; - } - - if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { - if (c.v[0] < crtc->panningBorder[0]) { - c.v[0] = crtc->panningBorder[0]; - panned = TRUE; - } - if (c.v[0] >= width - crtc->panningBorder[2]) { - c.v[0] = width - crtc->panningBorder[2] - 1; - panned = TRUE; - } - } - if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { - if (c.v[1] < crtc->panningBorder[1]) { - c.v[1] = crtc->panningBorder[1]; - panned = TRUE; - } - if (c.v[1] >= height - crtc->panningBorder[3]) { - c.v[1] = height - crtc->panningBorder[3] - 1; - panned = TRUE; - } - } - if (panned) - xf86ComputeCrtcPan (crtc->transform_in_use, - &crtc->f_framebuffer_to_crtc, - x, y, c.v[0], c.v[1], - newX, newY, &newX, &newY); - } - - /* - * Ensure that the crtc is within the panning region. - * - * XXX This computation only works when we do not have a transform - * in use. - */ - if (!crtc->transform_in_use) - { - /* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */ - if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { - if (newX > crtc->panningTotalArea.x2 - width) - newX = crtc->panningTotalArea.x2 - width; - if (newX < crtc->panningTotalArea.x1) - newX = crtc->panningTotalArea.x1; - } - if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { - if (newY > crtc->panningTotalArea.y2 - height) - newY = crtc->panningTotalArea.y2 - height; - if (newY < crtc->panningTotalArea.y1) - newY = crtc->panningTotalArea.y1; - } - } - if (newX != crtc->x || newY != crtc->y) - xf86CrtcSetOrigin (crtc, newX, newY); -} - -static Bool -xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations) -{ - RRScreenSizePtr pSize; - ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - DisplayModePtr mode; - int refresh0 = 60; - int maxX = 0, maxY = 0; - - *rotations = randrp->supported_rotations; - - if (randrp->virtualX == -1 || randrp->virtualY == -1) - { - randrp->virtualX = scrp->virtualX; - randrp->virtualY = scrp->virtualY; - } - - /* Re-probe the outputs for new monitors or modes */ - if (scrp->vtSema) - { - xf86ProbeOutputModes (scrp, 0, 0); - xf86SetScrnInfoModes (scrp); - } - - for (mode = scrp->modes; ; mode = mode->next) - { - int refresh = xf86RandR12ModeRefresh (mode); - if (randrp->maxX == 0 || randrp->maxY == 0) - { - if (maxX < mode->HDisplay) - maxX = mode->HDisplay; - if (maxY < mode->VDisplay) - maxY = mode->VDisplay; - } - if (mode == scrp->modes) - refresh0 = refresh; - pSize = RRRegisterSize (pScreen, - mode->HDisplay, mode->VDisplay, - randrp->mmWidth, randrp->mmHeight); - if (!pSize) - return FALSE; - RRRegisterRate (pScreen, pSize, refresh); - - if (xf86ModesEqual(mode, scrp->currentMode)) - { - RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize); - } - if (mode->next == scrp->modes) - break; - } - - if (randrp->maxX == 0 || randrp->maxY == 0) - { - randrp->maxX = maxX; - randrp->maxY = maxY; - } - - return TRUE; -} - -static Bool -xf86RandR12SetMode (ScreenPtr pScreen, - DisplayModePtr mode, - Bool useVirtual, - int mmWidth, - int mmHeight) -{ - ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - int oldWidth = pScreen->width; - int oldHeight = pScreen->height; - int oldmmWidth = pScreen->mmWidth; - int oldmmHeight = pScreen->mmHeight; - WindowPtr pRoot = pScreen->root; - DisplayModePtr currentMode = NULL; - Bool ret = TRUE; - - if (pRoot) - (*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE); - if (useVirtual) - { - scrp->virtualX = randrp->virtualX; - scrp->virtualY = randrp->virtualY; - } - else - { - scrp->virtualX = mode->HDisplay; - scrp->virtualY = mode->VDisplay; - } - - if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270)) - { - /* If the screen is rotated 90 or 270 degrees, swap the sizes. */ - pScreen->width = scrp->virtualY; - pScreen->height = scrp->virtualX; - pScreen->mmWidth = mmHeight; - pScreen->mmHeight = mmWidth; - } - else - { - pScreen->width = scrp->virtualX; - pScreen->height = scrp->virtualY; - pScreen->mmWidth = mmWidth; - pScreen->mmHeight = mmHeight; - } - if (scrp->currentMode == mode) { - /* Save current mode */ - currentMode = scrp->currentMode; - /* Reset, just so we ensure the drivers SwitchMode is called */ - scrp->currentMode = NULL; - } - /* - * We know that if the driver failed to SwitchMode to the rotated - * version, then it should revert back to it's prior mode. - */ - if (!xf86SwitchMode (pScreen, mode)) - { - ret = FALSE; - scrp->virtualX = pScreen->width = oldWidth; - scrp->virtualY = pScreen->height = oldHeight; - pScreen->mmWidth = oldmmWidth; - pScreen->mmHeight = oldmmHeight; - scrp->currentMode = currentMode; - } - - /* - * Make sure the layout is correct - */ - xf86ReconfigureLayout(); - - /* - * Make sure the whole screen is visible - */ - xf86SetViewport (pScreen, pScreen->width, pScreen->height); - xf86SetViewport (pScreen, 0, 0); - if (pRoot) - (*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE); - return ret; -} - -Bool -xf86RandR12SetConfig (ScreenPtr pScreen, - Rotation rotation, - int rate, - RRScreenSizePtr pSize) -{ - ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - DisplayModePtr mode; - int pos[MAXDEVICES][2]; - Bool useVirtual = FALSE; - int maxX = 0, maxY = 0; - Rotation oldRotation = randrp->rotation; - DeviceIntPtr dev; - Bool view_adjusted = FALSE; - - randrp->rotation = rotation; - - if (randrp->virtualX == -1 || randrp->virtualY == -1) - { - randrp->virtualX = scrp->virtualX; - randrp->virtualY = scrp->virtualY; - } - - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (!IsMaster(dev) && !IsFloating(dev)) - continue; - - miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]); - } - - for (mode = scrp->modes; ; mode = mode->next) - { - if (randrp->maxX == 0 || randrp->maxY == 0) - { - if (maxX < mode->HDisplay) - maxX = mode->HDisplay; - if (maxY < mode->VDisplay) - maxY = mode->VDisplay; - } - if (mode->HDisplay == pSize->width && - mode->VDisplay == pSize->height && - (rate == 0 || xf86RandR12ModeRefresh (mode) == rate)) - break; - if (mode->next == scrp->modes) - { - if (pSize->width == randrp->virtualX && - pSize->height == randrp->virtualY) - { - mode = scrp->modes; - useVirtual = TRUE; - break; - } - if (randrp->maxX == 0 || randrp->maxY == 0) - { - randrp->maxX = maxX; - randrp->maxY = maxY; - } - return FALSE; - } - } - - if (randrp->maxX == 0 || randrp->maxY == 0) - { - randrp->maxX = maxX; - randrp->maxY = maxY; - } - - if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth, - pSize->mmHeight)) { - randrp->rotation = oldRotation; - return FALSE; - } - - /* - * Move the cursor back where it belongs; SwitchMode repositions it - * FIXME: duplicated code, see modes/xf86RandR12.c - */ - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (!IsMaster(dev) && !IsFloating(dev)) - continue; - - if (pScreen == miPointerGetScreen(dev)) { - int px = pos[dev->id][0]; - int py = pos[dev->id][1]; - - px = (px >= pScreen->width ? (pScreen->width - 1) : px); - py = (py >= pScreen->height ? (pScreen->height - 1) : py); - - /* Setting the viewpoint makes only sense on one device */ - if (!view_adjusted && IsMaster(dev)) { - xf86SetViewport(pScreen, px, py); - view_adjusted = TRUE; - } - - (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE); - } - } - - return TRUE; -} - -static Bool -xf86RandR12ScreenSetSize (ScreenPtr pScreen, - CARD16 width, - CARD16 height, - CARD32 mmWidth, - CARD32 mmHeight) -{ - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - WindowPtr pRoot = pScreen->root; - PixmapPtr pScrnPix; - Bool ret = FALSE; - int c; - - if (xf86RandR12Key) { - if (randrp->virtualX == -1 || randrp->virtualY == -1) - { - randrp->virtualX = pScrn->virtualX; - randrp->virtualY = pScrn->virtualY; - } - } - if (pRoot && pScrn->vtSema) - (*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE); - - /* Let the driver update virtualX and virtualY */ - if (!(*config->funcs->resize)(pScrn, width, height)) - goto finish; - - ret = TRUE; - /* Update panning information */ - for (c = 0; c < config->num_crtc; c++) { - xf86CrtcPtr crtc = config->crtc[c]; - if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1 || - crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { - if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1) - crtc->panningTotalArea.x2 += width - pScreen->width; - if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1) - crtc->panningTotalArea.y2 += height - pScreen->height; - if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1) - crtc->panningTrackingArea.x2 += width - pScreen->width; - if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1) - crtc->panningTrackingArea.y2 += height - pScreen->height; - xf86RandR13VerifyPanningArea (crtc, width, height); - xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); - } - } - - pScrnPix = (*pScreen->GetScreenPixmap)(pScreen); - pScreen->width = pScrnPix->drawable.width = width; - pScreen->height = pScrnPix->drawable.height = height; - randrp->mmWidth = pScreen->mmWidth = mmWidth; - randrp->mmHeight = pScreen->mmHeight = mmHeight; - - xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1); - xf86SetViewport (pScreen, 0, 0); - -finish: - if (pRoot && pScrn->vtSema) - (*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE); -#if RANDR_12_INTERFACE - if (xf86RandR12Key && pScreen->root && ret) - RRScreenSizeNotify (pScreen); -#endif - return ret; -} - -Rotation -xf86RandR12GetRotation(ScreenPtr pScreen) -{ - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - - return randrp->rotation; -} - -Bool -xf86RandR12CreateScreenResources (ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config; - XF86RandRInfoPtr randrp; - int c; - int width, height; - int mmWidth, mmHeight; -#ifdef PANORAMIX - /* XXX disable RandR when using Xinerama */ - if (!noPanoramiXExtension) - return TRUE; -#endif - - config = XF86_CRTC_CONFIG_PTR(pScrn); - randrp = XF86RANDRINFO(pScreen); - /* - * Compute size of screen - */ - width = 0; height = 0; - for (c = 0; c < config->num_crtc; c++) - { - xf86CrtcPtr crtc = config->crtc[c]; - int crtc_width = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation); - int crtc_height = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation); - - if (crtc->enabled) { - if (crtc_width > width) - width = crtc_width; - if (crtc_height > height) - height = crtc_height; - if (crtc->panningTotalArea.x2 > width) - width = crtc->panningTotalArea.x2; - if (crtc->panningTotalArea.y2 > height) - height = crtc->panningTotalArea.y2; - } - } - - if (width && height) - { - /* - * Compute physical size of screen - */ - if (monitorResolution) - { - mmWidth = width * 25.4 / monitorResolution; - mmHeight = height * 25.4 / monitorResolution; - } - else - { - xf86OutputPtr output = xf86CompatOutput(pScrn); - - if (output && - output->conf_monitor && - (output->conf_monitor->mon_width > 0 && - output->conf_monitor->mon_height > 0)) - { - /* - * Prefer user configured DisplaySize - */ - mmWidth = output->conf_monitor->mon_width; - mmHeight = output->conf_monitor->mon_height; - } - else - { - /* - * Otherwise, just set the screen to DEFAULT_DPI - */ - mmWidth = width * 25.4 / DEFAULT_DPI; - mmHeight = height * 25.4 / DEFAULT_DPI; - } - } - xf86DrvMsg(pScrn->scrnIndex, X_INFO, - "Setting screen physical size to %d x %d\n", - mmWidth, mmHeight); - /* - * This is the initial setting of the screen size. - * We have to pre-set it here, otherwise panning would be adapted - * to the new screen size. - */ - pScreen->width = width; - pScreen->height = height; - xf86RandR12ScreenSetSize (pScreen, - width, - height, - mmWidth, - mmHeight); - } - - if (xf86RandR12Key == NULL) - return TRUE; - - if (randrp->virtualX == -1 || randrp->virtualY == -1) - { - randrp->virtualX = pScrn->virtualX; - randrp->virtualY = pScrn->virtualY; - } - xf86CrtcSetScreenSubpixelOrder (pScreen); -#if RANDR_12_INTERFACE - if (xf86RandR12CreateScreenResources12 (pScreen)) - return TRUE; -#endif - return TRUE; -} - - -Bool -xf86RandR12Init (ScreenPtr pScreen) -{ - rrScrPrivPtr rp; - XF86RandRInfoPtr randrp; - -#ifdef PANORAMIX - /* XXX disable RandR when using Xinerama */ - if (!noPanoramiXExtension) - { - if (xf86NumScreens == 1) - noPanoramiXExtension = TRUE; - else - return TRUE; - } -#endif - - if (xf86RandR12Generation != serverGeneration) - xf86RandR12Generation = serverGeneration; - - xf86RandR12Key = &xf86RandR12KeyRec; - if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - - randrp = malloc(sizeof (XF86RandRInfoRec)); - if (!randrp) - return FALSE; - - if (!RRScreenInit(pScreen)) - { - free(randrp); - return FALSE; - } - rp = rrGetScrPriv(pScreen); - rp->rrGetInfo = xf86RandR12GetInfo; - rp->rrSetConfig = xf86RandR12SetConfig; - - randrp->virtualX = -1; - randrp->virtualY = -1; - randrp->mmWidth = pScreen->mmWidth; - randrp->mmHeight = pScreen->mmHeight; - - randrp->rotation = RR_Rotate_0; /* initial rotated mode */ - - randrp->supported_rotations = RR_Rotate_0; - - randrp->maxX = randrp->maxY = 0; - - dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp); - -#if RANDR_12_INTERFACE - if (!xf86RandR12Init12 (pScreen)) - return FALSE; -#endif - return TRUE; -} - -void -xf86RandR12CloseScreen (ScreenPtr pScreen) -{ - XF86RandRInfoPtr randrp; - - if (xf86RandR12Key == NULL) - return; - - randrp = XF86RANDRINFO(pScreen); -#if RANDR_12_INTERFACE - xf86Screens[pScreen->myNum]->EnterVT = randrp->orig_EnterVT; -#endif - - free(randrp); -} - -void -xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations) -{ - XF86RandRInfoPtr randrp; -#if RANDR_12_INTERFACE - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - int c; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); -#endif - - if (xf86RandR12Key == NULL) - return; - - randrp = XF86RANDRINFO(pScreen); -#if RANDR_12_INTERFACE - for (c = 0; c < config->num_crtc; c++) { - xf86CrtcPtr crtc = config->crtc[c]; - - RRCrtcSetRotations (crtc->randr_crtc, rotations); - } -#endif - randrp->supported_rotations = rotations; -} - -void -xf86RandR12SetTransformSupport (ScreenPtr pScreen, Bool transforms) -{ - XF86RandRInfoPtr randrp; -#if RANDR_13_INTERFACE - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - int c; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); -#endif - - if (xf86RandR12Key == NULL) - return; - - randrp = XF86RANDRINFO(pScreen); -#if RANDR_13_INTERFACE - for (c = 0; c < config->num_crtc; c++) { - xf86CrtcPtr crtc = config->crtc[c]; - - RRCrtcSetTransformSupport (crtc->randr_crtc, transforms); - } -#endif -} - -void -xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y) -{ - ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; - - if (xf86RandR12Generation != serverGeneration || - XF86RANDRINFO(pScreen)->virtualX == -1) - { - *x = pScrn->virtualX; - *y = pScrn->virtualY; - } else { - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - - *x = randrp->virtualX; - *y = randrp->virtualY; - } -} - -#if RANDR_12_INTERFACE - -#define FLAG_BITS (RR_HSyncPositive | \ - RR_HSyncNegative | \ - RR_VSyncPositive | \ - RR_VSyncNegative | \ - RR_Interlace | \ - RR_DoubleScan | \ - RR_CSync | \ - RR_CSyncPositive | \ - RR_CSyncNegative | \ - RR_HSkewPresent | \ - RR_BCast | \ - RR_PixelMultiplex | \ - RR_DoubleClock | \ - RR_ClockDivideBy2) - -static Bool -xf86RandRModeMatches (RRModePtr randr_mode, - DisplayModePtr mode) -{ -#if 0 - if (match_name) - { - /* check for same name */ - int len = strlen (mode->name); - if (randr_mode->mode.nameLength != len) return FALSE; - if (memcmp (randr_mode->name, mode->name, len) != 0) return FALSE; - } -#endif - - /* check for same timings */ - if (randr_mode->mode.dotClock / 1000 != mode->Clock) return FALSE; - if (randr_mode->mode.width != mode->HDisplay) return FALSE; - if (randr_mode->mode.hSyncStart != mode->HSyncStart) return FALSE; - if (randr_mode->mode.hSyncEnd != mode->HSyncEnd) return FALSE; - if (randr_mode->mode.hTotal != mode->HTotal) return FALSE; - if (randr_mode->mode.hSkew != mode->HSkew) return FALSE; - if (randr_mode->mode.height != mode->VDisplay) return FALSE; - if (randr_mode->mode.vSyncStart != mode->VSyncStart) return FALSE; - if (randr_mode->mode.vSyncEnd != mode->VSyncEnd) return FALSE; - if (randr_mode->mode.vTotal != mode->VTotal) return FALSE; - - /* check for same flags (using only the XF86 valid flag bits) */ - if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS)) - return FALSE; - - /* everything matches */ - return TRUE; -} - -static Bool -xf86RandR12CrtcNotify (RRCrtcPtr randr_crtc) -{ - ScreenPtr pScreen = randr_crtc->pScreen; - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - RRModePtr randr_mode = NULL; - int x; - int y; - Rotation rotation; - int numOutputs; - RROutputPtr *randr_outputs; - RROutputPtr randr_output; - xf86CrtcPtr crtc = randr_crtc->devPrivate; - xf86OutputPtr output; - int i, j; - DisplayModePtr mode = &crtc->mode; - Bool ret; - - randr_outputs = malloc(config->num_output * sizeof (RROutputPtr)); - if (!randr_outputs) - return FALSE; - x = crtc->x; - y = crtc->y; - rotation = crtc->rotation; - numOutputs = 0; - randr_mode = NULL; - for (i = 0; i < config->num_output; i++) - { - output = config->output[i]; - if (output->crtc == crtc) - { - randr_output = output->randr_output; - randr_outputs[numOutputs++] = randr_output; - /* - * We make copies of modes, so pointer equality - * isn't sufficient - */ - for (j = 0; j < randr_output->numModes + randr_output->numUserModes; j++) - { - RRModePtr m = (j < randr_output->numModes ? - randr_output->modes[j] : - randr_output->userModes[j-randr_output->numModes]); - - if (xf86RandRModeMatches (m, mode)) - { - randr_mode = m; - break; - } - } - } - } - ret = RRCrtcNotify (randr_crtc, randr_mode, x, y, - rotation, - crtc->transformPresent ? &crtc->transform : NULL, - numOutputs, randr_outputs); - free(randr_outputs); - return ret; -} - -/* - * Convert a RandR mode to a DisplayMode - */ -static void -xf86RandRModeConvert (ScrnInfoPtr scrn, - RRModePtr randr_mode, - DisplayModePtr mode) -{ - memset(mode, 0, sizeof(DisplayModeRec)); - mode->status = MODE_OK; - - mode->Clock = randr_mode->mode.dotClock / 1000; - - mode->HDisplay = randr_mode->mode.width; - mode->HSyncStart = randr_mode->mode.hSyncStart; - mode->HSyncEnd = randr_mode->mode.hSyncEnd; - mode->HTotal = randr_mode->mode.hTotal; - mode->HSkew = randr_mode->mode.hSkew; - - mode->VDisplay = randr_mode->mode.height; - mode->VSyncStart = randr_mode->mode.vSyncStart; - mode->VSyncEnd = randr_mode->mode.vSyncEnd; - mode->VTotal = randr_mode->mode.vTotal; - mode->VScan = 0; - - mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS; - - xf86SetModeCrtc (mode, scrn->adjustFlags); -} - -static Bool -xf86RandR12CrtcSet (ScreenPtr pScreen, - RRCrtcPtr randr_crtc, - RRModePtr randr_mode, - int x, - int y, - Rotation rotation, - int num_randr_outputs, - RROutputPtr *randr_outputs) -{ - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - xf86CrtcPtr crtc = randr_crtc->devPrivate; - RRTransformPtr transform; - Bool changed = FALSE; - int o, ro; - xf86CrtcPtr *save_crtcs; - Bool save_enabled = crtc->enabled; - - if (!crtc->scrn->vtSema) - return FALSE; - - save_crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr)); - if ((randr_mode != NULL) != crtc->enabled) - changed = TRUE; - else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode)) - changed = TRUE; - - if (rotation != crtc->rotation) - changed = TRUE; - - transform = RRCrtcGetTransform (randr_crtc); - if ((transform != NULL) != crtc->transformPresent) - changed = TRUE; - else if (transform && memcmp (&transform->transform, &crtc->transform.transform, - sizeof (transform->transform)) != 0) - changed = TRUE; - - if (x != crtc->x || y != crtc->y) - changed = TRUE; - for (o = 0; o < config->num_output; o++) - { - xf86OutputPtr output = config->output[o]; - xf86CrtcPtr new_crtc; - - save_crtcs[o] = output->crtc; - - if (output->crtc == crtc) - new_crtc = NULL; - else - new_crtc = output->crtc; - for (ro = 0; ro < num_randr_outputs; ro++) - if (output->randr_output == randr_outputs[ro]) - { - new_crtc = crtc; - break; - } - if (new_crtc != output->crtc) - { - changed = TRUE; - output->crtc = new_crtc; - } - } - for (ro = 0; ro < num_randr_outputs; ro++) - if (randr_outputs[ro]->pendingProperties) - changed = TRUE; - - /* XXX need device-independent mode setting code through an API */ - if (changed) - { - crtc->enabled = randr_mode != NULL; - - if (randr_mode) - { - DisplayModeRec mode; - RRTransformPtr transform = RRCrtcGetTransform (randr_crtc); - - xf86RandRModeConvert (pScrn, randr_mode, &mode); - if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y)) - { - crtc->enabled = save_enabled; - for (o = 0; o < config->num_output; o++) - { - xf86OutputPtr output = config->output[o]; - output->crtc = save_crtcs[o]; - } - free(save_crtcs); - return FALSE; - } - xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height); - xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); - /* - * Save the last successful setting for EnterVT - */ - crtc->desiredMode = mode; - crtc->desiredRotation = rotation; - if (transform) { - crtc->desiredTransform = *transform; - crtc->desiredTransformPresent = TRUE; - } else - crtc->desiredTransformPresent = FALSE; - - crtc->desiredX = x; - crtc->desiredY = y; - } - xf86DisableUnusedFunctions (pScrn); - } - free(save_crtcs); - return xf86RandR12CrtcNotify (randr_crtc); -} - -static Bool -xf86RandR12CrtcSetGamma (ScreenPtr pScreen, - RRCrtcPtr randr_crtc) -{ - xf86CrtcPtr crtc = randr_crtc->devPrivate; - - if (crtc->funcs->gamma_set == NULL) - return FALSE; - - if (!crtc->scrn->vtSema) - return TRUE; - - /* Realloc local gamma if needed. */ - if (randr_crtc->gammaSize != crtc->gamma_size) { - CARD16 *tmp_ptr; - tmp_ptr = realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof (CARD16)); - if (!tmp_ptr) - return FALSE; - crtc->gamma_red = tmp_ptr; - crtc->gamma_green = crtc->gamma_red + crtc->gamma_size; - crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size; - } - - crtc->gamma_size = randr_crtc->gammaSize; - memcpy (crtc->gamma_red, randr_crtc->gammaRed, crtc->gamma_size * sizeof (CARD16)); - memcpy (crtc->gamma_green, randr_crtc->gammaGreen, crtc->gamma_size * sizeof (CARD16)); - memcpy (crtc->gamma_blue, randr_crtc->gammaBlue, crtc->gamma_size * sizeof (CARD16)); - - /* Only set it when the crtc is actually running. - * Otherwise it will be set when it's activated. - */ - if (crtc->active) - crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, - crtc->gamma_blue, crtc->gamma_size); - - return TRUE; -} - -static Bool -xf86RandR12CrtcGetGamma (ScreenPtr pScreen, - RRCrtcPtr randr_crtc) -{ - xf86CrtcPtr crtc = randr_crtc->devPrivate; - - if (!crtc->gamma_size) - return FALSE; - - if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue) - return FALSE; - - /* Realloc randr gamma if needed. */ - if (randr_crtc->gammaSize != crtc->gamma_size) { - CARD16 *tmp_ptr; - tmp_ptr = realloc(randr_crtc->gammaRed, 3 * crtc->gamma_size * sizeof (CARD16)); - if (!tmp_ptr) - return FALSE; - randr_crtc->gammaRed = tmp_ptr; - randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size; - randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size; - } - randr_crtc->gammaSize = crtc->gamma_size; - memcpy (randr_crtc->gammaRed, crtc->gamma_red, crtc->gamma_size * sizeof (CARD16)); - memcpy (randr_crtc->gammaGreen, crtc->gamma_green, crtc->gamma_size * sizeof (CARD16)); - memcpy (randr_crtc->gammaBlue, crtc->gamma_blue, crtc->gamma_size * sizeof (CARD16)); - - return TRUE; -} - -static Bool -xf86RandR12OutputSetProperty (ScreenPtr pScreen, - RROutputPtr randr_output, - Atom property, - RRPropertyValuePtr value) -{ - xf86OutputPtr output = randr_output->devPrivate; - - /* If we don't have any property handler, then we don't care what the - * user is setting properties to. - */ - if (output->funcs->set_property == NULL) - return TRUE; - - /* - * This function gets called even when vtSema is FALSE, as - * drivers will need to remember the correct value to apply - * when the VT switch occurs - */ - return output->funcs->set_property(output, property, value); -} - -static Bool -xf86RandR13OutputGetProperty (ScreenPtr pScreen, - RROutputPtr randr_output, - Atom property) -{ - xf86OutputPtr output = randr_output->devPrivate; - - if (output->funcs->get_property == NULL) - return TRUE; - - /* Should be safe even w/o vtSema */ - return output->funcs->get_property(output, property); -} - -static Bool -xf86RandR12OutputValidateMode (ScreenPtr pScreen, - RROutputPtr randr_output, - RRModePtr randr_mode) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86OutputPtr output = randr_output->devPrivate; - DisplayModeRec mode; - - xf86RandRModeConvert (pScrn, randr_mode, &mode); - /* - * This function may be called when vtSema is FALSE, so - * the underlying function must either avoid touching the hardware - * or return FALSE when vtSema is FALSE - */ - if (output->funcs->mode_valid (output, &mode) != MODE_OK) - return FALSE; - return TRUE; -} - -static void -xf86RandR12ModeDestroy (ScreenPtr pScreen, RRModePtr randr_mode) -{ -} - -/** - * Given a list of xf86 modes and a RandR Output object, construct - * RandR modes and assign them to the output - */ -static Bool -xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes) -{ - DisplayModePtr mode; - RRModePtr *rrmodes = NULL; - int nmode = 0; - int npreferred = 0; - Bool ret = TRUE; - int pref; - - for (mode = modes; mode; mode = mode->next) - nmode++; - - if (nmode) { - rrmodes = malloc(nmode * sizeof (RRModePtr)); - - if (!rrmodes) - return FALSE; - nmode = 0; - - for (pref = 1; pref >= 0; pref--) { - for (mode = modes; mode; mode = mode->next) { - if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) { - xRRModeInfo modeInfo; - RRModePtr rrmode; - - modeInfo.nameLength = strlen (mode->name); - modeInfo.width = mode->HDisplay; - modeInfo.dotClock = mode->Clock * 1000; - modeInfo.hSyncStart = mode->HSyncStart; - modeInfo.hSyncEnd = mode->HSyncEnd; - modeInfo.hTotal = mode->HTotal; - modeInfo.hSkew = mode->HSkew; - - modeInfo.height = mode->VDisplay; - modeInfo.vSyncStart = mode->VSyncStart; - modeInfo.vSyncEnd = mode->VSyncEnd; - modeInfo.vTotal = mode->VTotal; - modeInfo.modeFlags = mode->Flags; - - rrmode = RRModeGet (&modeInfo, mode->name); - if (rrmode) { - rrmodes[nmode++] = rrmode; - npreferred += pref; - } - } - } - } - } - - ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred); - free(rrmodes); - return ret; -} - -/* - * Mirror the current mode configuration to RandR - */ -static Bool -xf86RandR12SetInfo12 (ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - RROutputPtr *clones; - RRCrtcPtr *crtcs; - int ncrtc; - int o, c, l; - RRCrtcPtr randr_crtc; - int nclone; - - clones = malloc(config->num_output * sizeof (RROutputPtr)); - crtcs = malloc(config->num_crtc * sizeof (RRCrtcPtr)); - for (o = 0; o < config->num_output; o++) - { - xf86OutputPtr output = config->output[o]; - - ncrtc = 0; - for (c = 0; c < config->num_crtc; c++) - if (output->possible_crtcs & (1 << c)) - crtcs[ncrtc++] = config->crtc[c]->randr_crtc; - - if (output->crtc) - randr_crtc = output->crtc->randr_crtc; - else - randr_crtc = NULL; - - if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc)) - { - free(crtcs); - free(clones); - return FALSE; - } - - RROutputSetPhysicalSize(output->randr_output, - output->mm_width, - output->mm_height); - xf86RROutputSetModes (output->randr_output, output->probed_modes); - - switch (output->status) { - case XF86OutputStatusConnected: - RROutputSetConnection (output->randr_output, RR_Connected); - break; - case XF86OutputStatusDisconnected: - RROutputSetConnection (output->randr_output, RR_Disconnected); - break; - case XF86OutputStatusUnknown: - RROutputSetConnection (output->randr_output, RR_UnknownConnection); - break; - } - - RROutputSetSubpixelOrder (output->randr_output, output->subpixel_order); - - /* - * Valid clones - */ - nclone = 0; - for (l = 0; l < config->num_output; l++) - { - xf86OutputPtr clone = config->output[l]; - - if (l != o && (output->possible_clones & (1 << l))) - clones[nclone++] = clone->randr_output; - } - if (!RROutputSetClones (output->randr_output, clones, nclone)) - { - free(crtcs); - free(clones); - return FALSE; - } - } - free(crtcs); - free(clones); - return TRUE; -} - - - -/* - * Query the hardware for the current state, then mirror - * that to RandR - */ -static Bool -xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - - if (!pScrn->vtSema) - return TRUE; - xf86ProbeOutputModes (pScrn, 0, 0); - xf86SetScrnInfoModes (pScrn); - return xf86RandR12SetInfo12 (pScreen); -} - -static Bool -xf86RandR12CreateObjects12 (ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - int c; - int o; - - if (!RRInit ()) - return FALSE; - - /* - * Configure crtcs - */ - for (c = 0; c < config->num_crtc; c++) - { - xf86CrtcPtr crtc = config->crtc[c]; - - crtc->randr_crtc = RRCrtcCreate (pScreen, crtc); - RRCrtcGammaSetSize (crtc->randr_crtc, 256); - } - /* - * Configure outputs - */ - for (o = 0; o < config->num_output; o++) - { - xf86OutputPtr output = config->output[o]; - - output->randr_output = RROutputCreate (pScreen, output->name, - strlen (output->name), - output); - - if (output->funcs->create_resources != NULL) - output->funcs->create_resources(output); - RRPostPendingProperties (output->randr_output); - } - return TRUE; -} - -static Bool -xf86RandR12CreateScreenResources12 (ScreenPtr pScreen) -{ - int c; - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - - if (xf86RandR12Key == NULL) - return TRUE; - - for (c = 0; c < config->num_crtc; c++) - xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc); - - RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight, - config->maxWidth, config->maxHeight); - return TRUE; -} - -/* - * Something happened within the screen configuration due - * to DGA, VidMode or hot key. Tell RandR - */ - -void -xf86RandR12TellChanged (ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - int c; - - if (xf86RandR12Key == NULL) - return; - - xf86RandR12SetInfo12 (pScreen); - for (c = 0; c < config->num_crtc; c++) - xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc); - - RRTellChanged (pScreen); -} - -static void -xf86RandR12PointerMoved (int scrnIndex, int x, int y) -{ - ScreenPtr pScreen = screenInfo.screens[scrnIndex]; - ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - int c; - - randrp->pointerX = x; - randrp->pointerY = y; - for (c = 0; c < config->num_crtc; c++) - xf86RandR13Pan (config->crtc[c], x, y); -} - -static Bool -xf86RandR13GetPanning (ScreenPtr pScreen, - RRCrtcPtr randr_crtc, - BoxPtr totalArea, - BoxPtr trackingArea, - INT16 *border) -{ - xf86CrtcPtr crtc = randr_crtc->devPrivate; - - if (crtc->version < 2) - return FALSE; - if (totalArea) - memcpy (totalArea, &crtc->panningTotalArea, sizeof(BoxRec)); - if (trackingArea) - memcpy (trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); - if (border) - memcpy (border, crtc->panningBorder, 4*sizeof(INT16)); - - return TRUE; -} - -static Bool -xf86RandR13SetPanning (ScreenPtr pScreen, - RRCrtcPtr randr_crtc, - BoxPtr totalArea, - BoxPtr trackingArea, - INT16 *border) -{ - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - xf86CrtcPtr crtc = randr_crtc->devPrivate; - BoxRec oldTotalArea; - BoxRec oldTrackingArea; - INT16 oldBorder[4]; - - - if (crtc->version < 2) - return FALSE; - - memcpy (&oldTotalArea, &crtc->panningTotalArea, sizeof(BoxRec)); - memcpy (&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); - memcpy (oldBorder, crtc->panningBorder, 4*sizeof(INT16)); - - if (totalArea) - memcpy (&crtc->panningTotalArea, totalArea, sizeof(BoxRec)); - if (trackingArea) - memcpy (&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec)); - if (border) - memcpy (crtc->panningBorder, border, 4*sizeof(INT16)); - - if (xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height)) { - xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); - return TRUE; - } else { - /* Restore old settings */ - memcpy (&crtc->panningTotalArea, &oldTotalArea, sizeof(BoxRec)); - memcpy (&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec)); - memcpy (crtc->panningBorder, oldBorder, 4*sizeof(INT16)); - return FALSE; - } -} - -/* - * Compatibility with XF86VidMode's gamma changer. This necessarily clobbers - * any per-crtc setup. You asked for it... - */ - -static void -gamma_to_ramp(float gamma, CARD16 *ramp, int size) -{ - int i; - - for (i = 0; i < size; i++) { - if (gamma == 1.0) - ramp[i] = i << 8; - else - ramp[i] = (CARD16)(pow((double)i / (double)(size - 1), 1. / gamma) - * (double)(size - 1) * 256); - } -} - -static int -xf86RandR12ChangeGamma(int scrnIndex, Gamma gamma) -{ - CARD16 *points, *red, *green, *blue; - ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; - RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn); - int size; - - if (!crtc) - return Success; - - size = max(0, crtc->gammaSize); - if (!size) - return Success; - - points = calloc(size, 3 * sizeof(CARD16)); - if (!points) - return BadAlloc; - - red = points; - green = points + size; - blue = points + 2 * size; - - gamma_to_ramp(gamma.red, red, size); - gamma_to_ramp(gamma.green, green, size); - gamma_to_ramp(gamma.blue, blue, size); - RRCrtcGammaSet(crtc, red, green, blue); - - free(points); - - pScrn->gamma = gamma; - - return Success; -} - -static Bool -xf86RandR12EnterVT (int screen_index, int flags) -{ - ScreenPtr pScreen = screenInfo.screens[screen_index]; - ScrnInfoPtr pScrn = xf86Screens[screen_index]; - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - rrScrPrivPtr rp = rrGetScrPriv(pScreen); - Bool ret; - int i; - - if (randrp->orig_EnterVT) { - pScrn->EnterVT = randrp->orig_EnterVT; - ret = pScrn->EnterVT (screen_index, flags); - randrp->orig_EnterVT = pScrn->EnterVT; - pScrn->EnterVT = xf86RandR12EnterVT; - if (!ret) - return FALSE; - } - - /* reload gamma */ - for (i = 0; i < rp->numCrtcs; i++) - xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]); - - return RRGetInfo (pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */ -} - -static Bool -xf86RandR12Init12 (ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - rrScrPrivPtr rp = rrGetScrPriv(pScreen); - XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); - int i; - - rp->rrGetInfo = xf86RandR12GetInfo12; - rp->rrScreenSetSize = xf86RandR12ScreenSetSize; - rp->rrCrtcSet = xf86RandR12CrtcSet; - rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma; - rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma; - rp->rrOutputSetProperty = xf86RandR12OutputSetProperty; - rp->rrOutputValidateMode = xf86RandR12OutputValidateMode; -#if RANDR_13_INTERFACE - rp->rrOutputGetProperty = xf86RandR13OutputGetProperty; - rp->rrGetPanning = xf86RandR13GetPanning; - rp->rrSetPanning = xf86RandR13SetPanning; -#endif - rp->rrModeDestroy = xf86RandR12ModeDestroy; - rp->rrSetConfig = NULL; - pScrn->PointerMoved = xf86RandR12PointerMoved; - pScrn->ChangeGamma = xf86RandR12ChangeGamma; - - randrp->orig_EnterVT = pScrn->EnterVT; - pScrn->EnterVT = xf86RandR12EnterVT; - - if (!xf86RandR12CreateObjects12 (pScreen)) - return FALSE; - - /* - * Configure output modes - */ - if (!xf86RandR12SetInfo12 (pScreen)) - return FALSE; - for (i = 0; i < rp->numCrtcs; i++) { - xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]); - } - return TRUE; -} - -#endif - -Bool -xf86RandR12PreInit (ScrnInfoPtr pScrn) -{ - return TRUE; -} +/* + * 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 +#else +#ifdef HAVE_CONFIG_H +#include +#endif +#endif + +#include "xf86.h" +#include "os.h" +#include "globals.h" +#include "xf86Priv.h" +#include "xf86DDC.h" +#include "mipointer.h" +#include "windowstr.h" +#include "inputstr.h" +#include +#include + +#include "xf86Crtc.h" +#include "xf86RandR12.h" + +typedef struct _xf86RandR12Info { + int virtualX; + int virtualY; + int mmWidth; + int mmHeight; + int maxX; + int maxY; + int pointerX; + int pointerY; + Rotation rotation; /* current mode */ + Rotation supported_rotations; /* driver supported */ + + /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends + * (actually, any time that we switch back into our VT). + * + * See https://bugs.freedesktop.org/show_bug.cgi?id=21554 + */ + xf86EnterVTProc *orig_EnterVT; +} XF86RandRInfoRec, *XF86RandRInfoPtr; + +#ifdef RANDR_12_INTERFACE +static Bool xf86RandR12Init12 (ScreenPtr pScreen); +static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen); +#endif + +static int xf86RandR12Generation; + +static DevPrivateKeyRec xf86RandR12KeyRec; +static DevPrivateKey xf86RandR12Key; +#define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \ + dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key)) + + +static int +xf86RandR12ModeRefresh (DisplayModePtr mode) +{ + if (mode->VRefresh) + return (int) (mode->VRefresh + 0.5); + else + return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5); +} + +/* Adapt panning area; return TRUE if panning area was valid without adaption */ +static int +xf86RandR13VerifyPanningArea (xf86CrtcPtr crtc, int screenWidth, int screenHeight) +{ + int ret = TRUE; + + if (crtc->version < 2) + return FALSE; + + if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) { + /* Panning in X is disabled */ + if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2) + /* Illegal configuration -> fail/disable */ + ret = FALSE; + crtc->panningTotalArea.x1 = crtc->panningTotalArea.x2 = 0; + crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0; + crtc->panningBorder[0] = crtc->panningBorder[2] = 0; + } else { + /* Panning in X is enabled */ + if (crtc->panningTotalArea.x1 < 0) { + /* Panning region outside screen -> move inside */ + crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1; + crtc->panningTotalArea.x1 = 0; + ret = FALSE; + } + if (crtc->panningTotalArea.x2 < crtc->panningTotalArea.x1 + crtc->mode.HDisplay) { + /* Panning region smaller than displayed area -> crop to displayed area */ + crtc->panningTotalArea.x2 = crtc->panningTotalArea.x1 + crtc->mode.HDisplay; + ret = FALSE; + } + if (crtc->panningTotalArea.x2 > screenWidth) { + /* Panning region larger than screen -> move inside, then crop to screen */ + crtc->panningTotalArea.x1 -= crtc->panningTotalArea.x2 - screenWidth; + crtc->panningTotalArea.x2 = screenWidth; + ret = FALSE; + if (crtc->panningTotalArea.x1 < 0) + crtc->panningTotalArea.x1 = 0; + } + if (crtc->panningBorder[0] + crtc->panningBorder[2] > crtc->mode.HDisplay) { + /* Borders too large -> set to 0 */ + crtc->panningBorder[0] = crtc->panningBorder[2] = 0; + ret = FALSE; + } + } + + if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) { + /* Panning in Y is disabled */ + if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2) + /* Illegal configuration -> fail/disable */ + ret = FALSE; + crtc->panningTotalArea.y1 = crtc->panningTotalArea.y2 = 0; + crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0; + crtc->panningBorder[1] = crtc->panningBorder[3] = 0; + } else { + /* Panning in Y is enabled */ + if (crtc->panningTotalArea.y1 < 0) { + /* Panning region outside screen -> move inside */ + crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1; + crtc->panningTotalArea.y1 = 0; + ret = FALSE; + } + if (crtc->panningTotalArea.y2 < crtc->panningTotalArea.y1 + crtc->mode.VDisplay) { + /* Panning region smaller than displayed area -> crop to displayed area */ + crtc->panningTotalArea.y2 = crtc->panningTotalArea.y1 + crtc->mode.VDisplay; + ret = FALSE; + } + if (crtc->panningTotalArea.y2 > screenHeight) { + /* Panning region larger than screen -> move inside, then crop to screen */ + crtc->panningTotalArea.y1 -= crtc->panningTotalArea.y2 - screenHeight; + crtc->panningTotalArea.y2 = screenHeight; + ret = FALSE; + if (crtc->panningTotalArea.y1 < 0) + crtc->panningTotalArea.y1 = 0; + } + if (crtc->panningBorder[1] + crtc->panningBorder[3] > crtc->mode.VDisplay) { + /* Borders too large -> set to 0 */ + crtc->panningBorder[1] = crtc->panningBorder[3] = 0; + ret = FALSE; + } + } + + return ret; +} + +/* + * The heart of the panning operation: + * + * Given a frame buffer position (fb_x, fb_y), + * and a crtc position (crtc_x, crtc_y), + * and a transform matrix which maps frame buffer to crtc, + * compute a panning position (pan_x, pan_y) that + * makes the resulting transform line those two up + */ + +static void +xf86ComputeCrtcPan (Bool transform_in_use, + struct pixman_f_transform *m, + double screen_x, double screen_y, + double crtc_x, double crtc_y, + int old_pan_x, int old_pan_y, + int *new_pan_x, int *new_pan_y) +{ + if (transform_in_use) { + /* + * Given the current transform, M, the current position + * on the Screen, S, and the desired position on the CRTC, + * C, compute a translation, T, such that: + * + * M T S = C + * + * where T is of the form + * + * | 1 0 dx | + * | 0 1 dy | + * | 0 0 1 | + * + * M T S = + * | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 | | Cx F | + * | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F | + * | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 | | F | + * + * R = M S + * + * Cx F = M00 dx + M01 dy + R0 + * Cy F = M10 dx + M11 dy + R1 + * F = M20 dx + M21 dy + R2 + * + * Zero out dx, then dy + * + * F (Cx M10 - Cy M00) = + * (M10 M01 - M00 M11) dy + M10 R0 - M00 R1 + * F (M10 - Cy M20) = + * (M10 M21 - M20 M11) dy + M10 R2 - M20 R1 + * + * F (Cx M11 - Cy M01) = + * (M11 M00 - M01 M10) dx + M11 R0 - M01 R1 + * F (M11 - Cy M21) = + * (M11 M20 - M21 M10) dx + M11 R2 - M21 R1 + * + * Make some temporaries + * + * T = | Cx M10 - Cy M00 | + * | Cx M11 - Cy M01 | + * + * U = | M10 M01 - M00 M11 | + * | M11 M00 - M01 M10 | + * + * Q = | M10 R0 - M00 R1 | + * | M11 R0 - M01 R1 | + * + * P = | M10 - Cy M20 | + * | M11 - Cy M21 | + * + * W = | M10 M21 - M20 M11 | + * | M11 M20 - M21 M10 | + * + * V = | M10 R2 - M20 R1 | + * | M11 R2 - M21 R1 | + * + * Rewrite: + * + * F T0 = U0 dy + Q0 + * F P0 = W0 dy + V0 + * F T1 = U1 dx + Q1 + * F P1 = W1 dx + V1 + * + * Solve for F (two ways) + * + * F (W0 T0 - U0 P0) = W0 Q0 - U0 V0 + * + * W0 Q0 - U0 V0 + * F = ------------- + * W0 T0 - U0 P0 + * + * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1 + * + * W1 Q1 - U1 V1 + * F = ------------- + * W1 T1 - U1 P1 + * + * We'll use which ever solution works (denominator != 0) + * + * Finally, solve for dx and dy: + * + * dx = (F T1 - Q1) / U1 + * dx = (F P1 - V1) / W1 + * + * dy = (F T0 - Q0) / U0 + * dy = (F P0 - V0) / W0 + */ + double r[3]; + double q[2], u[2], t[2], v[2], w[2], p[2]; + double f; + struct pict_f_vector d; + int i; + + /* Get the un-normalized crtc coordinates again */ + for (i = 0; i < 3; i++) + r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2]; + + /* Combine values into temporaries */ + for (i = 0; i < 2; i++) { + q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1]; + u[i] = m->m[1][i] * m->m[0][1-i] - m->m[0][i] * m->m[1][1-i]; + t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y; + + v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1]; + w[i] = m->m[1][i] * m->m[2][1-i] - m->m[2][i] * m->m[1][1-i]; + p[i] = m->m[1][i] - m->m[2][i] * crtc_y; + } + + /* Find a way to compute f */ + f = 0; + for (i = 0; i < 2; i++) { + double a = w[i] * q[i] - u[i] * v[i]; + double b = w[i] * t[i] - u[i] * p[i]; + if (b != 0) { + f = a/b; + break; + } + } + + /* Solve for the resulting transform vector */ + for (i = 0; i < 2; i++) { + if (u[i]) + d.v[1-i] = (t[i] * f - q[i]) / u[i]; + else if (w[1]) + d.v[1-i] = (p[i] * f - v[i]) / w[i]; + else + d.v[1-i] = 0; + } + *new_pan_x = old_pan_x - floor (d.v[0] + 0.5); + *new_pan_y = old_pan_y - floor (d.v[1] + 0.5); + } else { + *new_pan_x = screen_x - crtc_x; + *new_pan_y = screen_y - crtc_y; + } +} + +static void +xf86RandR13Pan (xf86CrtcPtr crtc, int x, int y) +{ + int newX, newY; + int width, height; + Bool panned = FALSE; + + if (crtc->version < 2) + return; + + if (! crtc->enabled || + (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1 && + crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1)) + return; + + newX = crtc->x; + newY = crtc->y; + width = crtc->mode.HDisplay; + height = crtc->mode.VDisplay; + + if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 || + (x >= crtc->panningTrackingArea.x1 && x < crtc->panningTrackingArea.x2)) && + (crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 || + (y >= crtc->panningTrackingArea.y1 && y < crtc->panningTrackingArea.y2))) + { + struct pict_f_vector c; + + /* + * Pre-clip the mouse position to the panning area so that we don't + * push the crtc outside. This doesn't deal with changes to the + * panning values, only mouse position changes. + */ + if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) + { + if (x < crtc->panningTotalArea.x1) + x = crtc->panningTotalArea.x1; + if (x >= crtc->panningTotalArea.x2) + x = crtc->panningTotalArea.x2 - 1; + } + if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) + { + if (y < crtc->panningTotalArea.y1) + y = crtc->panningTotalArea.y1; + if (y >= crtc->panningTotalArea.y2) + y = crtc->panningTotalArea.y2 - 1; + } + + c.v[0] = x; + c.v[1] = y; + c.v[2] = 1.0; + if (crtc->transform_in_use) { + pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c); + } else { + c.v[0] -= crtc->x; + c.v[1] -= crtc->y; + } + + if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { + if (c.v[0] < crtc->panningBorder[0]) { + c.v[0] = crtc->panningBorder[0]; + panned = TRUE; + } + if (c.v[0] >= width - crtc->panningBorder[2]) { + c.v[0] = width - crtc->panningBorder[2] - 1; + panned = TRUE; + } + } + if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { + if (c.v[1] < crtc->panningBorder[1]) { + c.v[1] = crtc->panningBorder[1]; + panned = TRUE; + } + if (c.v[1] >= height - crtc->panningBorder[3]) { + c.v[1] = height - crtc->panningBorder[3] - 1; + panned = TRUE; + } + } + if (panned) + xf86ComputeCrtcPan (crtc->transform_in_use, + &crtc->f_framebuffer_to_crtc, + x, y, c.v[0], c.v[1], + newX, newY, &newX, &newY); + } + + /* + * Ensure that the crtc is within the panning region. + * + * XXX This computation only works when we do not have a transform + * in use. + */ + if (!crtc->transform_in_use) + { + /* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */ + if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { + if (newX > crtc->panningTotalArea.x2 - width) + newX = crtc->panningTotalArea.x2 - width; + if (newX < crtc->panningTotalArea.x1) + newX = crtc->panningTotalArea.x1; + } + if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { + if (newY > crtc->panningTotalArea.y2 - height) + newY = crtc->panningTotalArea.y2 - height; + if (newY < crtc->panningTotalArea.y1) + newY = crtc->panningTotalArea.y1; + } + } + if (newX != crtc->x || newY != crtc->y) + xf86CrtcSetOrigin (crtc, newX, newY); +} + +static Bool +xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations) +{ + RRScreenSizePtr pSize; + ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + DisplayModePtr mode; + int refresh0 = 60; + int maxX = 0, maxY = 0; + + *rotations = randrp->supported_rotations; + + if (randrp->virtualX == -1 || randrp->virtualY == -1) + { + randrp->virtualX = scrp->virtualX; + randrp->virtualY = scrp->virtualY; + } + + /* Re-probe the outputs for new monitors or modes */ + if (scrp->vtSema) + { + xf86ProbeOutputModes (scrp, 0, 0); + xf86SetScrnInfoModes (scrp); + } + + for (mode = scrp->modes; ; mode = mode->next) + { + int refresh = xf86RandR12ModeRefresh (mode); + if (randrp->maxX == 0 || randrp->maxY == 0) + { + if (maxX < mode->HDisplay) + maxX = mode->HDisplay; + if (maxY < mode->VDisplay) + maxY = mode->VDisplay; + } + if (mode == scrp->modes) + refresh0 = refresh; + pSize = RRRegisterSize (pScreen, + mode->HDisplay, mode->VDisplay, + randrp->mmWidth, randrp->mmHeight); + if (!pSize) + return FALSE; + RRRegisterRate (pScreen, pSize, refresh); + + if (xf86ModesEqual(mode, scrp->currentMode)) + { + RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize); + } + if (mode->next == scrp->modes) + break; + } + + if (randrp->maxX == 0 || randrp->maxY == 0) + { + randrp->maxX = maxX; + randrp->maxY = maxY; + } + + return TRUE; +} + +static Bool +xf86RandR12SetMode (ScreenPtr pScreen, + DisplayModePtr mode, + Bool useVirtual, + int mmWidth, + int mmHeight) +{ + ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + int oldWidth = pScreen->width; + int oldHeight = pScreen->height; + int oldmmWidth = pScreen->mmWidth; + int oldmmHeight = pScreen->mmHeight; + WindowPtr pRoot = pScreen->root; + DisplayModePtr currentMode = NULL; + Bool ret = TRUE; + + if (pRoot) + (*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE); + if (useVirtual) + { + scrp->virtualX = randrp->virtualX; + scrp->virtualY = randrp->virtualY; + } + else + { + scrp->virtualX = mode->HDisplay; + scrp->virtualY = mode->VDisplay; + } + + if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270)) + { + /* If the screen is rotated 90 or 270 degrees, swap the sizes. */ + pScreen->width = scrp->virtualY; + pScreen->height = scrp->virtualX; + pScreen->mmWidth = mmHeight; + pScreen->mmHeight = mmWidth; + } + else + { + pScreen->width = scrp->virtualX; + pScreen->height = scrp->virtualY; + pScreen->mmWidth = mmWidth; + pScreen->mmHeight = mmHeight; + } + if (scrp->currentMode == mode) { + /* Save current mode */ + currentMode = scrp->currentMode; + /* Reset, just so we ensure the drivers SwitchMode is called */ + scrp->currentMode = NULL; + } + /* + * We know that if the driver failed to SwitchMode to the rotated + * version, then it should revert back to it's prior mode. + */ + if (!xf86SwitchMode (pScreen, mode)) + { + ret = FALSE; + scrp->virtualX = pScreen->width = oldWidth; + scrp->virtualY = pScreen->height = oldHeight; + pScreen->mmWidth = oldmmWidth; + pScreen->mmHeight = oldmmHeight; + scrp->currentMode = currentMode; + } + + /* + * Make sure the layout is correct + */ + xf86ReconfigureLayout(); + + /* + * Make sure the whole screen is visible + */ + xf86SetViewport (pScreen, pScreen->width, pScreen->height); + xf86SetViewport (pScreen, 0, 0); + if (pRoot) + (*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE); + return ret; +} + +Bool +xf86RandR12SetConfig (ScreenPtr pScreen, + Rotation rotation, + int rate, + RRScreenSizePtr pSize) +{ + ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + DisplayModePtr mode; + int pos[MAXDEVICES][2]; + Bool useVirtual = FALSE; + int maxX = 0, maxY = 0; + Rotation oldRotation = randrp->rotation; + DeviceIntPtr dev; + Bool view_adjusted = FALSE; + + randrp->rotation = rotation; + + if (randrp->virtualX == -1 || randrp->virtualY == -1) + { + randrp->virtualX = scrp->virtualX; + randrp->virtualY = scrp->virtualY; + } + + for (dev = inputInfo.devices; dev; dev = dev->next) + { + if (!IsMaster(dev) && !IsFloating(dev)) + continue; + + miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]); + } + + for (mode = scrp->modes; ; mode = mode->next) + { + if (randrp->maxX == 0 || randrp->maxY == 0) + { + if (maxX < mode->HDisplay) + maxX = mode->HDisplay; + if (maxY < mode->VDisplay) + maxY = mode->VDisplay; + } + if (mode->HDisplay == pSize->width && + mode->VDisplay == pSize->height && + (rate == 0 || xf86RandR12ModeRefresh (mode) == rate)) + break; + if (mode->next == scrp->modes) + { + if (pSize->width == randrp->virtualX && + pSize->height == randrp->virtualY) + { + mode = scrp->modes; + useVirtual = TRUE; + break; + } + if (randrp->maxX == 0 || randrp->maxY == 0) + { + randrp->maxX = maxX; + randrp->maxY = maxY; + } + return FALSE; + } + } + + if (randrp->maxX == 0 || randrp->maxY == 0) + { + randrp->maxX = maxX; + randrp->maxY = maxY; + } + + if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth, + pSize->mmHeight)) { + randrp->rotation = oldRotation; + return FALSE; + } + + /* + * Move the cursor back where it belongs; SwitchMode repositions it + * FIXME: duplicated code, see modes/xf86RandR12.c + */ + for (dev = inputInfo.devices; dev; dev = dev->next) + { + if (!IsMaster(dev) && !IsFloating(dev)) + continue; + + if (pScreen == miPointerGetScreen(dev)) { + int px = pos[dev->id][0]; + int py = pos[dev->id][1]; + + px = (px >= pScreen->width ? (pScreen->width - 1) : px); + py = (py >= pScreen->height ? (pScreen->height - 1) : py); + + /* Setting the viewpoint makes only sense on one device */ + if (!view_adjusted && IsMaster(dev)) { + xf86SetViewport(pScreen, px, py); + view_adjusted = TRUE; + } + + (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE); + } + } + + return TRUE; +} + +static Bool +xf86RandR12ScreenSetSize (ScreenPtr pScreen, + CARD16 width, + CARD16 height, + CARD32 mmWidth, + CARD32 mmHeight) +{ + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + WindowPtr pRoot = pScreen->root; + PixmapPtr pScrnPix; + Bool ret = FALSE; + int c; + + if (xf86RandR12Key) { + if (randrp->virtualX == -1 || randrp->virtualY == -1) + { + randrp->virtualX = pScrn->virtualX; + randrp->virtualY = pScrn->virtualY; + } + } + if (pRoot && pScrn->vtSema) + (*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE); + + /* Let the driver update virtualX and virtualY */ + if (!(*config->funcs->resize)(pScrn, width, height)) + goto finish; + + ret = TRUE; + /* Update panning information */ + for (c = 0; c < config->num_crtc; c++) { + xf86CrtcPtr crtc = config->crtc[c]; + if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1 || + crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { + if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1) + crtc->panningTotalArea.x2 += width - pScreen->width; + if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1) + crtc->panningTotalArea.y2 += height - pScreen->height; + if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1) + crtc->panningTrackingArea.x2 += width - pScreen->width; + if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1) + crtc->panningTrackingArea.y2 += height - pScreen->height; + xf86RandR13VerifyPanningArea (crtc, width, height); + xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); + } + } + + pScrnPix = (*pScreen->GetScreenPixmap)(pScreen); + pScreen->width = pScrnPix->drawable.width = width; + pScreen->height = pScrnPix->drawable.height = height; + randrp->mmWidth = pScreen->mmWidth = mmWidth; + randrp->mmHeight = pScreen->mmHeight = mmHeight; + + xf86SetViewport (pScreen, pScreen->width-1, pScreen->height-1); + xf86SetViewport (pScreen, 0, 0); + +finish: + if (pRoot && pScrn->vtSema) + (*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE); +#if RANDR_12_INTERFACE + if (xf86RandR12Key && pScreen->root && ret) + RRScreenSizeNotify (pScreen); +#endif + return ret; +} + +Rotation +xf86RandR12GetRotation(ScreenPtr pScreen) +{ + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + + return randrp->rotation; +} + +Bool +xf86RandR12CreateScreenResources (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config; + XF86RandRInfoPtr randrp; + int c; + int width, height; + int mmWidth, mmHeight; +#ifdef PANORAMIX + /* XXX disable RandR when using Xinerama */ + if (!noPanoramiXExtension) + return TRUE; +#endif + + config = XF86_CRTC_CONFIG_PTR(pScrn); + randrp = XF86RANDRINFO(pScreen); + /* + * Compute size of screen + */ + width = 0; height = 0; + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + int crtc_width = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation); + int crtc_height = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation); + + if (crtc->enabled) { + if (crtc_width > width) + width = crtc_width; + if (crtc_height > height) + height = crtc_height; + if (crtc->panningTotalArea.x2 > width) + width = crtc->panningTotalArea.x2; + if (crtc->panningTotalArea.y2 > height) + height = crtc->panningTotalArea.y2; + } + } + + if (width && height) + { + /* + * Compute physical size of screen + */ + if (monitorResolution) + { + mmWidth = width * 25.4 / monitorResolution; + mmHeight = height * 25.4 / monitorResolution; + } + else + { + xf86OutputPtr output = xf86CompatOutput(pScrn); + + if (output && + output->conf_monitor && + (output->conf_monitor->mon_width > 0 && + output->conf_monitor->mon_height > 0)) + { + /* + * Prefer user configured DisplaySize + */ + mmWidth = output->conf_monitor->mon_width; + mmHeight = output->conf_monitor->mon_height; + } + else + { + /* + * Otherwise, just set the screen to DEFAULT_DPI + */ + mmWidth = width * 25.4 / DEFAULT_DPI; + mmHeight = height * 25.4 / DEFAULT_DPI; + } + } + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Setting screen physical size to %d x %d\n", + mmWidth, mmHeight); + /* + * This is the initial setting of the screen size. + * We have to pre-set it here, otherwise panning would be adapted + * to the new screen size. + */ + pScreen->width = width; + pScreen->height = height; + xf86RandR12ScreenSetSize (pScreen, + width, + height, + mmWidth, + mmHeight); + } + + if (xf86RandR12Key == NULL) + return TRUE; + + if (randrp->virtualX == -1 || randrp->virtualY == -1) + { + randrp->virtualX = pScrn->virtualX; + randrp->virtualY = pScrn->virtualY; + } + xf86CrtcSetScreenSubpixelOrder (pScreen); +#if RANDR_12_INTERFACE + if (xf86RandR12CreateScreenResources12 (pScreen)) + return TRUE; +#endif + return TRUE; +} + + +Bool +xf86RandR12Init (ScreenPtr pScreen) +{ + rrScrPrivPtr rp; + XF86RandRInfoPtr randrp; + +#ifdef PANORAMIX + /* XXX disable RandR when using Xinerama */ + if (!noPanoramiXExtension) + { + if (xf86NumScreens == 1) + noPanoramiXExtension = TRUE; + else + return TRUE; + } +#endif + + if (xf86RandR12Generation != serverGeneration) + xf86RandR12Generation = serverGeneration; + + xf86RandR12Key = &xf86RandR12KeyRec; + if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + randrp = malloc(sizeof (XF86RandRInfoRec)); + if (!randrp) + return FALSE; + + if (!RRScreenInit(pScreen)) + { + free(randrp); + return FALSE; + } + rp = rrGetScrPriv(pScreen); + rp->rrGetInfo = xf86RandR12GetInfo; + rp->rrSetConfig = xf86RandR12SetConfig; + + randrp->virtualX = -1; + randrp->virtualY = -1; + randrp->mmWidth = pScreen->mmWidth; + randrp->mmHeight = pScreen->mmHeight; + + randrp->rotation = RR_Rotate_0; /* initial rotated mode */ + + randrp->supported_rotations = RR_Rotate_0; + + randrp->maxX = randrp->maxY = 0; + + dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp); + +#if RANDR_12_INTERFACE + if (!xf86RandR12Init12 (pScreen)) + return FALSE; +#endif + return TRUE; +} + +void +xf86RandR12CloseScreen (ScreenPtr pScreen) +{ + XF86RandRInfoPtr randrp; + + if (xf86RandR12Key == NULL) + return; + + randrp = XF86RANDRINFO(pScreen); +#if RANDR_12_INTERFACE + xf86Screens[pScreen->myNum]->EnterVT = randrp->orig_EnterVT; +#endif + + free(randrp); +} + +void +xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations) +{ + XF86RandRInfoPtr randrp; +#if RANDR_12_INTERFACE + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + int c; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); +#endif + + if (xf86RandR12Key == NULL) + return; + + randrp = XF86RANDRINFO(pScreen); +#if RANDR_12_INTERFACE + for (c = 0; c < config->num_crtc; c++) { + xf86CrtcPtr crtc = config->crtc[c]; + + RRCrtcSetRotations (crtc->randr_crtc, rotations); + } +#endif + randrp->supported_rotations = rotations; +} + +void +xf86RandR12SetTransformSupport (ScreenPtr pScreen, Bool transforms) +{ + XF86RandRInfoPtr randrp; +#if RANDR_13_INTERFACE + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + int c; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); +#endif + + if (xf86RandR12Key == NULL) + return; + + randrp = XF86RANDRINFO(pScreen); +#if RANDR_13_INTERFACE + for (c = 0; c < config->num_crtc; c++) { + xf86CrtcPtr crtc = config->crtc[c]; + + RRCrtcSetTransformSupport (crtc->randr_crtc, transforms); + } +#endif +} + +void +xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y) +{ + ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; + + if (xf86RandR12Generation != serverGeneration || + XF86RANDRINFO(pScreen)->virtualX == -1) + { + *x = pScrn->virtualX; + *y = pScrn->virtualY; + } else { + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + + *x = randrp->virtualX; + *y = randrp->virtualY; + } +} + +#if RANDR_12_INTERFACE + +#define FLAG_BITS (RR_HSyncPositive | \ + RR_HSyncNegative | \ + RR_VSyncPositive | \ + RR_VSyncNegative | \ + RR_Interlace | \ + RR_DoubleScan | \ + RR_CSync | \ + RR_CSyncPositive | \ + RR_CSyncNegative | \ + RR_HSkewPresent | \ + RR_BCast | \ + RR_PixelMultiplex | \ + RR_DoubleClock | \ + RR_ClockDivideBy2) + +static Bool +xf86RandRModeMatches (RRModePtr randr_mode, + DisplayModePtr mode) +{ +#if 0 + if (match_name) + { + /* check for same name */ + int len = strlen (mode->name); + if (randr_mode->mode.nameLength != len) return FALSE; + if (memcmp (randr_mode->name, mode->name, len) != 0) return FALSE; + } +#endif + + /* check for same timings */ + if (randr_mode->mode.dotClock / 1000 != mode->Clock) return FALSE; + if (randr_mode->mode.width != mode->HDisplay) return FALSE; + if (randr_mode->mode.hSyncStart != mode->HSyncStart) return FALSE; + if (randr_mode->mode.hSyncEnd != mode->HSyncEnd) return FALSE; + if (randr_mode->mode.hTotal != mode->HTotal) return FALSE; + if (randr_mode->mode.hSkew != mode->HSkew) return FALSE; + if (randr_mode->mode.height != mode->VDisplay) return FALSE; + if (randr_mode->mode.vSyncStart != mode->VSyncStart) return FALSE; + if (randr_mode->mode.vSyncEnd != mode->VSyncEnd) return FALSE; + if (randr_mode->mode.vTotal != mode->VTotal) return FALSE; + + /* check for same flags (using only the XF86 valid flag bits) */ + if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS)) + return FALSE; + + /* everything matches */ + return TRUE; +} + +static Bool +xf86RandR12CrtcNotify (RRCrtcPtr randr_crtc) +{ + ScreenPtr pScreen = randr_crtc->pScreen; + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + RRModePtr randr_mode = NULL; + int x; + int y; + Rotation rotation; + int numOutputs; + RROutputPtr *randr_outputs; + RROutputPtr randr_output; + xf86CrtcPtr crtc = randr_crtc->devPrivate; + xf86OutputPtr output; + int i, j; + DisplayModePtr mode = &crtc->mode; + Bool ret; + + randr_outputs = malloc(config->num_output * sizeof (RROutputPtr)); + if (!randr_outputs) + return FALSE; + x = crtc->x; + y = crtc->y; + rotation = crtc->rotation; + numOutputs = 0; + randr_mode = NULL; + for (i = 0; i < config->num_output; i++) + { + output = config->output[i]; + if (output->crtc == crtc) + { + randr_output = output->randr_output; + randr_outputs[numOutputs++] = randr_output; + /* + * We make copies of modes, so pointer equality + * isn't sufficient + */ + for (j = 0; j < randr_output->numModes + randr_output->numUserModes; j++) + { + RRModePtr m = (j < randr_output->numModes ? + randr_output->modes[j] : + randr_output->userModes[j-randr_output->numModes]); + + if (xf86RandRModeMatches (m, mode)) + { + randr_mode = m; + break; + } + } + } + } + ret = RRCrtcNotify (randr_crtc, randr_mode, x, y, + rotation, + crtc->transformPresent ? &crtc->transform : NULL, + numOutputs, randr_outputs); + free(randr_outputs); + return ret; +} + +/* + * Convert a RandR mode to a DisplayMode + */ +static void +xf86RandRModeConvert (ScrnInfoPtr scrn, + RRModePtr randr_mode, + DisplayModePtr mode) +{ + memset(mode, 0, sizeof(DisplayModeRec)); + mode->status = MODE_OK; + + mode->Clock = randr_mode->mode.dotClock / 1000; + + mode->HDisplay = randr_mode->mode.width; + mode->HSyncStart = randr_mode->mode.hSyncStart; + mode->HSyncEnd = randr_mode->mode.hSyncEnd; + mode->HTotal = randr_mode->mode.hTotal; + mode->HSkew = randr_mode->mode.hSkew; + + mode->VDisplay = randr_mode->mode.height; + mode->VSyncStart = randr_mode->mode.vSyncStart; + mode->VSyncEnd = randr_mode->mode.vSyncEnd; + mode->VTotal = randr_mode->mode.vTotal; + mode->VScan = 0; + + mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS; + + xf86SetModeCrtc (mode, scrn->adjustFlags); +} + +static Bool +xf86RandR12CrtcSet (ScreenPtr pScreen, + RRCrtcPtr randr_crtc, + RRModePtr randr_mode, + int x, + int y, + Rotation rotation, + int num_randr_outputs, + RROutputPtr *randr_outputs) +{ + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + xf86CrtcPtr crtc = randr_crtc->devPrivate; + RRTransformPtr transform; + Bool changed = FALSE; + int o, ro; + xf86CrtcPtr *save_crtcs; + Bool save_enabled = crtc->enabled; + + if (!crtc->scrn->vtSema) + return FALSE; + + save_crtcs = malloc(config->num_output * sizeof (xf86CrtcPtr)); + if ((randr_mode != NULL) != crtc->enabled) + changed = TRUE; + else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode)) + changed = TRUE; + + if (rotation != crtc->rotation) + changed = TRUE; + + transform = RRCrtcGetTransform (randr_crtc); + if ((transform != NULL) != crtc->transformPresent) + changed = TRUE; + else if (transform && memcmp (&transform->transform, &crtc->transform.transform, + sizeof (transform->transform)) != 0) + changed = TRUE; + + if (x != crtc->x || y != crtc->y) + changed = TRUE; + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + xf86CrtcPtr new_crtc; + + save_crtcs[o] = output->crtc; + + if (output->crtc == crtc) + new_crtc = NULL; + else + new_crtc = output->crtc; + for (ro = 0; ro < num_randr_outputs; ro++) + if (output->randr_output == randr_outputs[ro]) + { + new_crtc = crtc; + break; + } + if (new_crtc != output->crtc) + { + changed = TRUE; + output->crtc = new_crtc; + } + } + for (ro = 0; ro < num_randr_outputs; ro++) + if (randr_outputs[ro]->pendingProperties) + changed = TRUE; + + /* XXX need device-independent mode setting code through an API */ + if (changed) + { + crtc->enabled = randr_mode != NULL; + + if (randr_mode) + { + DisplayModeRec mode; + RRTransformPtr transform = RRCrtcGetTransform (randr_crtc); + + xf86RandRModeConvert (pScrn, randr_mode, &mode); + if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y)) + { + crtc->enabled = save_enabled; + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + output->crtc = save_crtcs[o]; + } + free(save_crtcs); + return FALSE; + } + xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height); + xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); + /* + * Save the last successful setting for EnterVT + */ + crtc->desiredMode = mode; + crtc->desiredRotation = rotation; + if (transform) { + crtc->desiredTransform = *transform; + crtc->desiredTransformPresent = TRUE; + } else + crtc->desiredTransformPresent = FALSE; + + crtc->desiredX = x; + crtc->desiredY = y; + } + xf86DisableUnusedFunctions (pScrn); + } + free(save_crtcs); + return xf86RandR12CrtcNotify (randr_crtc); +} + +static Bool +xf86RandR12CrtcSetGamma (ScreenPtr pScreen, + RRCrtcPtr randr_crtc) +{ + xf86CrtcPtr crtc = randr_crtc->devPrivate; + + if (crtc->funcs->gamma_set == NULL) + return FALSE; + + if (!crtc->scrn->vtSema) + return TRUE; + + /* Realloc local gamma if needed. */ + if (randr_crtc->gammaSize != crtc->gamma_size) { + CARD16 *tmp_ptr; + tmp_ptr = realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof (CARD16)); + if (!tmp_ptr) + return FALSE; + crtc->gamma_red = tmp_ptr; + crtc->gamma_green = crtc->gamma_red + crtc->gamma_size; + crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size; + } + + crtc->gamma_size = randr_crtc->gammaSize; + memcpy (crtc->gamma_red, randr_crtc->gammaRed, crtc->gamma_size * sizeof (CARD16)); + memcpy (crtc->gamma_green, randr_crtc->gammaGreen, crtc->gamma_size * sizeof (CARD16)); + memcpy (crtc->gamma_blue, randr_crtc->gammaBlue, crtc->gamma_size * sizeof (CARD16)); + + /* Only set it when the crtc is actually running. + * Otherwise it will be set when it's activated. + */ + if (crtc->active) + crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, + crtc->gamma_blue, crtc->gamma_size); + + return TRUE; +} + +static Bool +xf86RandR12CrtcGetGamma (ScreenPtr pScreen, + RRCrtcPtr randr_crtc) +{ + xf86CrtcPtr crtc = randr_crtc->devPrivate; + + if (!crtc->gamma_size) + return FALSE; + + if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue) + return FALSE; + + /* Realloc randr gamma if needed. */ + if (randr_crtc->gammaSize != crtc->gamma_size) { + CARD16 *tmp_ptr; + tmp_ptr = realloc(randr_crtc->gammaRed, 3 * crtc->gamma_size * sizeof (CARD16)); + if (!tmp_ptr) + return FALSE; + randr_crtc->gammaRed = tmp_ptr; + randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size; + randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size; + } + randr_crtc->gammaSize = crtc->gamma_size; + memcpy (randr_crtc->gammaRed, crtc->gamma_red, crtc->gamma_size * sizeof (CARD16)); + memcpy (randr_crtc->gammaGreen, crtc->gamma_green, crtc->gamma_size * sizeof (CARD16)); + memcpy (randr_crtc->gammaBlue, crtc->gamma_blue, crtc->gamma_size * sizeof (CARD16)); + + return TRUE; +} + +static Bool +xf86RandR12OutputSetProperty (ScreenPtr pScreen, + RROutputPtr randr_output, + Atom property, + RRPropertyValuePtr value) +{ + xf86OutputPtr output = randr_output->devPrivate; + + /* If we don't have any property handler, then we don't care what the + * user is setting properties to. + */ + if (output->funcs->set_property == NULL) + return TRUE; + + /* + * This function gets called even when vtSema is FALSE, as + * drivers will need to remember the correct value to apply + * when the VT switch occurs + */ + return output->funcs->set_property(output, property, value); +} + +static Bool +xf86RandR13OutputGetProperty (ScreenPtr pScreen, + RROutputPtr randr_output, + Atom property) +{ + xf86OutputPtr output = randr_output->devPrivate; + + if (output->funcs->get_property == NULL) + return TRUE; + + /* Should be safe even w/o vtSema */ + return output->funcs->get_property(output, property); +} + +static Bool +xf86RandR12OutputValidateMode (ScreenPtr pScreen, + RROutputPtr randr_output, + RRModePtr randr_mode) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86OutputPtr output = randr_output->devPrivate; + DisplayModeRec mode; + + xf86RandRModeConvert (pScrn, randr_mode, &mode); + /* + * This function may be called when vtSema is FALSE, so + * the underlying function must either avoid touching the hardware + * or return FALSE when vtSema is FALSE + */ + if (output->funcs->mode_valid (output, &mode) != MODE_OK) + return FALSE; + return TRUE; +} + +static void +xf86RandR12ModeDestroy (ScreenPtr pScreen, RRModePtr randr_mode) +{ +} + +/** + * Given a list of xf86 modes and a RandR Output object, construct + * RandR modes and assign them to the output + */ +static Bool +xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes) +{ + DisplayModePtr mode; + RRModePtr *rrmodes = NULL; + int nmode = 0; + int npreferred = 0; + Bool ret = TRUE; + int pref; + + for (mode = modes; mode; mode = mode->next) + nmode++; + + if (nmode) { + rrmodes = malloc(nmode * sizeof (RRModePtr)); + + if (!rrmodes) + return FALSE; + nmode = 0; + + for (pref = 1; pref >= 0; pref--) { + for (mode = modes; mode; mode = mode->next) { + if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) { + xRRModeInfo modeInfo; + RRModePtr rrmode; + + modeInfo.nameLength = strlen (mode->name); + modeInfo.width = mode->HDisplay; + modeInfo.dotClock = mode->Clock * 1000; + modeInfo.hSyncStart = mode->HSyncStart; + modeInfo.hSyncEnd = mode->HSyncEnd; + modeInfo.hTotal = mode->HTotal; + modeInfo.hSkew = mode->HSkew; + + modeInfo.height = mode->VDisplay; + modeInfo.vSyncStart = mode->VSyncStart; + modeInfo.vSyncEnd = mode->VSyncEnd; + modeInfo.vTotal = mode->VTotal; + modeInfo.modeFlags = mode->Flags; + + rrmode = RRModeGet (&modeInfo, mode->name); + if (rrmode) { + rrmodes[nmode++] = rrmode; + npreferred += pref; + } + } + } + } + } + + ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred); + free(rrmodes); + return ret; +} + +/* + * Mirror the current mode configuration to RandR + */ +static Bool +xf86RandR12SetInfo12 (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + RROutputPtr *clones; + RRCrtcPtr *crtcs; + int ncrtc; + int o, c, l; + RRCrtcPtr randr_crtc; + int nclone; + + clones = malloc(config->num_output * sizeof (RROutputPtr)); + crtcs = malloc(config->num_crtc * sizeof (RRCrtcPtr)); + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + ncrtc = 0; + for (c = 0; c < config->num_crtc; c++) + if (output->possible_crtcs & (1 << c)) + crtcs[ncrtc++] = config->crtc[c]->randr_crtc; + + if (output->crtc) + randr_crtc = output->crtc->randr_crtc; + else + randr_crtc = NULL; + + if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc)) + { + free(crtcs); + free(clones); + return FALSE; + } + + RROutputSetPhysicalSize(output->randr_output, + output->mm_width, + output->mm_height); + xf86RROutputSetModes (output->randr_output, output->probed_modes); + + switch (output->status) { + case XF86OutputStatusConnected: + RROutputSetConnection (output->randr_output, RR_Connected); + break; + case XF86OutputStatusDisconnected: + RROutputSetConnection (output->randr_output, RR_Disconnected); + break; + case XF86OutputStatusUnknown: + RROutputSetConnection (output->randr_output, RR_UnknownConnection); + break; + } + + RROutputSetSubpixelOrder (output->randr_output, output->subpixel_order); + + /* + * Valid clones + */ + nclone = 0; + for (l = 0; l < config->num_output; l++) + { + xf86OutputPtr clone = config->output[l]; + + if (l != o && (output->possible_clones & (1 << l))) + clones[nclone++] = clone->randr_output; + } + if (!RROutputSetClones (output->randr_output, clones, nclone)) + { + free(crtcs); + free(clones); + return FALSE; + } + } + free(crtcs); + free(clones); + return TRUE; +} + + + +/* + * Query the hardware for the current state, then mirror + * that to RandR + */ +static Bool +xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + + if (!pScrn->vtSema) + return TRUE; + xf86ProbeOutputModes (pScrn, 0, 0); + xf86SetScrnInfoModes (pScrn); + return xf86RandR12SetInfo12 (pScreen); +} + +static Bool +xf86RandR12CreateObjects12 (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + int c; + int o; + + if (!RRInit ()) + return FALSE; + + /* + * Configure crtcs + */ + for (c = 0; c < config->num_crtc; c++) + { + xf86CrtcPtr crtc = config->crtc[c]; + + crtc->randr_crtc = RRCrtcCreate (pScreen, crtc); + RRCrtcGammaSetSize (crtc->randr_crtc, 256); + } + /* + * Configure outputs + */ + for (o = 0; o < config->num_output; o++) + { + xf86OutputPtr output = config->output[o]; + + output->randr_output = RROutputCreate (pScreen, output->name, + strlen (output->name), + output); + + if (output->funcs->create_resources != NULL) + output->funcs->create_resources(output); + RRPostPendingProperties (output->randr_output); + } + return TRUE; +} + +static Bool +xf86RandR12CreateScreenResources12 (ScreenPtr pScreen) +{ + int c; + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + + if (xf86RandR12Key == NULL) + return TRUE; + + for (c = 0; c < config->num_crtc; c++) + xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc); + + RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight, + config->maxWidth, config->maxHeight); + return TRUE; +} + +/* + * Something happened within the screen configuration due + * to DGA, VidMode or hot key. Tell RandR + */ + +void +xf86RandR12TellChanged (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + int c; + + if (xf86RandR12Key == NULL) + return; + + xf86RandR12SetInfo12 (pScreen); + for (c = 0; c < config->num_crtc; c++) + xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc); + + RRTellChanged (pScreen); +} + +static void +xf86RandR12PointerMoved (int scrnIndex, int x, int y) +{ + ScreenPtr pScreen = screenInfo.screens[scrnIndex]; + ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + int c; + + randrp->pointerX = x; + randrp->pointerY = y; + for (c = 0; c < config->num_crtc; c++) + xf86RandR13Pan (config->crtc[c], x, y); +} + +static Bool +xf86RandR13GetPanning (ScreenPtr pScreen, + RRCrtcPtr randr_crtc, + BoxPtr totalArea, + BoxPtr trackingArea, + INT16 *border) +{ + xf86CrtcPtr crtc = randr_crtc->devPrivate; + + if (crtc->version < 2) + return FALSE; + if (totalArea) + memcpy (totalArea, &crtc->panningTotalArea, sizeof(BoxRec)); + if (trackingArea) + memcpy (trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); + if (border) + memcpy (border, crtc->panningBorder, 4*sizeof(INT16)); + + return TRUE; +} + +static Bool +xf86RandR13SetPanning (ScreenPtr pScreen, + RRCrtcPtr randr_crtc, + BoxPtr totalArea, + BoxPtr trackingArea, + INT16 *border) +{ + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + xf86CrtcPtr crtc = randr_crtc->devPrivate; + BoxRec oldTotalArea; + BoxRec oldTrackingArea; + INT16 oldBorder[4]; + + + if (crtc->version < 2) + return FALSE; + + memcpy (&oldTotalArea, &crtc->panningTotalArea, sizeof(BoxRec)); + memcpy (&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); + memcpy (oldBorder, crtc->panningBorder, 4*sizeof(INT16)); + + if (totalArea) + memcpy (&crtc->panningTotalArea, totalArea, sizeof(BoxRec)); + if (trackingArea) + memcpy (&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec)); + if (border) + memcpy (crtc->panningBorder, border, 4*sizeof(INT16)); + + if (xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height)) { + xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY); + return TRUE; + } else { + /* Restore old settings */ + memcpy (&crtc->panningTotalArea, &oldTotalArea, sizeof(BoxRec)); + memcpy (&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec)); + memcpy (crtc->panningBorder, oldBorder, 4*sizeof(INT16)); + return FALSE; + } +} + +/* + * Compatibility with XF86VidMode's gamma changer. This necessarily clobbers + * any per-crtc setup. You asked for it... + */ + +static void +gamma_to_ramp(float gamma, CARD16 *ramp, int size) +{ + int i; + + for (i = 0; i < size; i++) { + if (gamma == 1.0) + ramp[i] = i << 8; + else + ramp[i] = (CARD16)(pow((double)i / (double)(size - 1), 1. / gamma) + * (double)(size - 1) * 256); + } +} + +static int +xf86RandR12ChangeGamma(int scrnIndex, Gamma gamma) +{ + CARD16 *points, *red, *green, *blue; + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn); + int size; + + if (!crtc) + return Success; + + size = max(0, crtc->gammaSize); + if (!size) + return Success; + + points = calloc(size, 3 * sizeof(CARD16)); + if (!points) + return BadAlloc; + + red = points; + green = points + size; + blue = points + 2 * size; + + gamma_to_ramp(gamma.red, red, size); + gamma_to_ramp(gamma.green, green, size); + gamma_to_ramp(gamma.blue, blue, size); + RRCrtcGammaSet(crtc, red, green, blue); + + free(points); + + pScrn->gamma = gamma; + + return Success; +} + +static Bool +xf86RandR12EnterVT (int screen_index, int flags) +{ + ScreenPtr pScreen = screenInfo.screens[screen_index]; + ScrnInfoPtr pScrn = xf86Screens[screen_index]; + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + rrScrPrivPtr rp = rrGetScrPriv(pScreen); + Bool ret; + int i; + + if (randrp->orig_EnterVT) { + pScrn->EnterVT = randrp->orig_EnterVT; + ret = pScrn->EnterVT (screen_index, flags); + randrp->orig_EnterVT = pScrn->EnterVT; + pScrn->EnterVT = xf86RandR12EnterVT; + if (!ret) + return FALSE; + } + + /* reload gamma */ + for (i = 0; i < rp->numCrtcs; i++) + xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]); + + return RRGetInfo (pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */ +} + +static Bool +xf86RandR12Init12 (ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + rrScrPrivPtr rp = rrGetScrPriv(pScreen); + XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); + int i; + + rp->rrGetInfo = xf86RandR12GetInfo12; + rp->rrScreenSetSize = xf86RandR12ScreenSetSize; + rp->rrCrtcSet = xf86RandR12CrtcSet; + rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma; + rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma; + rp->rrOutputSetProperty = xf86RandR12OutputSetProperty; + rp->rrOutputValidateMode = xf86RandR12OutputValidateMode; +#if RANDR_13_INTERFACE + rp->rrOutputGetProperty = xf86RandR13OutputGetProperty; + rp->rrGetPanning = xf86RandR13GetPanning; + rp->rrSetPanning = xf86RandR13SetPanning; +#endif + rp->rrModeDestroy = xf86RandR12ModeDestroy; + rp->rrSetConfig = NULL; + pScrn->PointerMoved = xf86RandR12PointerMoved; + pScrn->ChangeGamma = xf86RandR12ChangeGamma; + + randrp->orig_EnterVT = pScrn->EnterVT; + pScrn->EnterVT = xf86RandR12EnterVT; + + if (!xf86RandR12CreateObjects12 (pScreen)) + return FALSE; + + /* + * Configure output modes + */ + if (!xf86RandR12SetInfo12 (pScreen)) + return FALSE; + for (i = 0; i < rp->numCrtcs; i++) { + xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]); + } + return TRUE; +} + +#endif + +Bool +xf86RandR12PreInit (ScrnInfoPtr pScrn) +{ + return TRUE; +} diff --git a/xorg-server/hw/xfree86/modes/xf86Rotate.c b/xorg-server/hw/xfree86/modes/xf86Rotate.c index 655857597..57c3499ac 100644 --- a/xorg-server/hw/xfree86/modes/xf86Rotate.c +++ b/xorg-server/hw/xfree86/modes/xf86Rotate.c @@ -1,525 +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 -#else -#ifdef HAVE_CONFIG_H -#include -#endif -#endif - -#include -#include -#include - -#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; -} +/* + * 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 +#else +#ifdef HAVE_CONFIG_H +#include +#endif +#endif + +#include +#include +#include + +#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; +} -- cgit v1.2.3