xserver pixman git update 7-12-2010

1 files changed, 1075 insertions, 972 deletions

diff --git a/xorg-server/hw/xfree86/modes/xf86Crtc.h b/xorg-server/hw/xfree86/modes/xf86Crtc.h
index 68a968cc2..e4037142f 100644
--- a/xorg-server/hw/xfree86/modes/xf86Crtc.h
+++ b/xorg-server/hw/xfree86/modes/xf86Crtc.h
@@ -1,972 +1,1075 @@
-/*
- * Copyright © 2006 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  The copyright holders make no representations
- * about the suitability of this software for any purpose.  It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-#ifndef _XF86CRTC_H_
-#define _XF86CRTC_H_
-
-#include <edid.h>
-#include "randrstr.h"
-#if XF86_MODES_RENAME
-#include "xf86Rename.h"
-#endif
-#include "xf86Modes.h"
-#include "xf86Cursor.h"
-#include "xf86i2c.h"
-#include "damage.h"
-#include "picturestr.h"
-
-/* Compat definitions for older X Servers. */
-#ifndef M_T_PREFERRED
-#define M_T_PREFERRED	0x08
-#endif
-#ifndef M_T_DRIVER
-#define M_T_DRIVER	0x40
-#endif
-#ifndef M_T_USERPREF
-#define M_T_USERPREF	0x80
-#endif
-#ifndef HARDWARE_CURSOR_ARGB
-#define HARDWARE_CURSOR_ARGB				0x00004000
-#endif
-
-typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
-typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
-
-/* define a standard for connector types */
-typedef enum _xf86ConnectorType {
-   XF86ConnectorNone,
-   XF86ConnectorVGA,
-   XF86ConnectorDVI_I,
-   XF86ConnectorDVI_D,
-   XF86ConnectorDVI_A,
-   XF86ConnectorComposite,
-   XF86ConnectorSvideo,
-   XF86ConnectorComponent,
-   XF86ConnectorLFP,
-   XF86ConnectorProprietary,
-   XF86ConnectorHDMI,
-   XF86ConnectorDisplayPort,
-} xf86ConnectorType;
-
-typedef enum _xf86OutputStatus {
-   XF86OutputStatusConnected,
-   XF86OutputStatusDisconnected,
-   XF86OutputStatusUnknown
-} xf86OutputStatus;
-
-typedef struct _xf86CrtcFuncs {
-   /**
-    * Turns the crtc on/off, or sets intermediate power levels if available.
-    *
-    * Unsupported intermediate modes drop to the lower power setting.  If the
-    * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to
-    * be safe to call mode_set.
-    */
-   void
-    (*dpms)(xf86CrtcPtr		crtc,
-	    int		    	mode);
-
-   /**
-    * Saves the crtc's state for restoration on VT switch.
-    */
-   void
-    (*save)(xf86CrtcPtr		crtc);
-
-   /**
-    * Restore's the crtc's state at VT switch.
-    */
-   void
-    (*restore)(xf86CrtcPtr	crtc);
-
-    /**
-     * Lock CRTC prior to mode setting, mostly for DRI.
-     * Returns whether unlock is needed
-     */
-    Bool
-    (*lock) (xf86CrtcPtr crtc);
-    
-    /**
-     * Unlock CRTC after mode setting, mostly for DRI
-     */
-    void
-    (*unlock) (xf86CrtcPtr crtc);
-    
-    /**
-     * Callback to adjust the mode to be set in the CRTC.
-     *
-     * This allows a CRTC to adjust the clock or even the entire set of
-     * timings, which is used for panels with fixed timings or for
-     * buses with clock limitations.
-     */
-    Bool
-    (*mode_fixup)(xf86CrtcPtr crtc,
-		  DisplayModePtr mode,
-		  DisplayModePtr adjusted_mode);
-
-    /**
-     * Prepare CRTC for an upcoming mode set.
-     */
-    void
-    (*prepare)(xf86CrtcPtr crtc);
-
-    /**
-     * Callback for setting up a video mode after fixups have been made.
-     */
-    void
-    (*mode_set)(xf86CrtcPtr crtc,
-		DisplayModePtr mode,
-		DisplayModePtr adjusted_mode,
-		int x, int y);
-
-    /**
-     * Commit mode changes to a CRTC
-     */
-    void
-    (*commit)(xf86CrtcPtr crtc);
-
-    /* Set the color ramps for the CRTC to the given values. */
-    void
-    (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,
-		 int size);
-
-    /**
-     * Allocate the shadow area, delay the pixmap creation until needed
-     */
-    void *
-    (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
-    
-    /**
-     * Create shadow pixmap for rotation support
-     */
-    PixmapPtr
-    (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height);
-    
-    /**
-     * Destroy shadow pixmap
-     */
-    void
-    (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data);
-
-    /**
-     * Set cursor colors
-     */
-    void
-    (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
-
-    /**
-     * Set cursor position
-     */
-    void
-    (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
-
-    /**
-     * Show cursor
-     */
-    void
-    (*show_cursor) (xf86CrtcPtr crtc);
-
-    /**
-     * Hide cursor
-     */
-    void
-    (*hide_cursor) (xf86CrtcPtr crtc);
-
-    /**
-     * Load monochrome image
-     */
-    void
-    (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);
-
-    /**
-     * Load ARGB image
-     */
-     void
-     (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);
-     
-    /**
-     * Clean up driver-specific bits of the crtc
-     */
-    void
-    (*destroy) (xf86CrtcPtr	crtc);
-
-    /**
-     * Less fine-grained mode setting entry point for kernel modesetting
-     */
-    Bool
-    (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
-		      Rotation rotation, int x, int y);
-
-    /**
-     * Callback for panning. Doesn't change the mode.
-     * Added in ABI version 2
-     */
-    void
-    (*set_origin)(xf86CrtcPtr crtc, int x, int y);
-
-} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
-
-#define XF86_CRTC_VERSION 3
-
-struct _xf86Crtc {
-    /**
-     * ABI versioning
-     */
-    int version;
-
-    /**
-     * Associated ScrnInfo
-     */
-    ScrnInfoPtr	    scrn;
-    
-    /**
-     * Desired state of this CRTC
-     *
-     * Set when this CRTC should be driving one or more outputs 
-     */
-    Bool	    enabled;
-    
-    /**
-     * Active mode
-     *
-     * This reflects the mode as set in the CRTC currently
-     * It will be cleared when the VT is not active or
-     * during server startup
-     */
-    DisplayModeRec  mode;
-    Rotation	    rotation;
-    PixmapPtr	    rotatedPixmap;
-    void	    *rotatedData;
-    
-    /**
-     * Position on screen
-     *
-     * Locates this CRTC within the frame buffer
-     */
-    int		    x, y;
-    
-    /**
-     * Desired mode
-     *
-     * This is set to the requested mode, independent of
-     * whether the VT is active. In particular, it receives
-     * the startup configured mode and saves the active mode
-     * on VT switch.
-     */
-    DisplayModeRec  desiredMode;
-    Rotation	    desiredRotation;
-    int		    desiredX, desiredY;
-    
-    /** crtc-specific functions */
-    const xf86CrtcFuncsRec *funcs;
-
-    /**
-     * Driver private
-     *
-     * Holds driver-private information
-     */
-    void	    *driver_private;
-
-#ifdef RANDR_12_INTERFACE
-    /**
-     * RandR crtc
-     *
-     * When RandR 1.2 is available, this
-     * points at the associated crtc object
-     */
-    RRCrtcPtr	    randr_crtc;
-#else
-    void	    *randr_crtc;
-#endif
-
-    /**
-     * Current cursor is ARGB
-     */
-    Bool	    cursor_argb;
-    /**
-     * Track whether cursor is within CRTC range 
-     */
-    Bool	    cursor_in_range;
-    /**
-     * Track state of cursor associated with this CRTC
-     */
-    Bool	    cursor_shown;
-
-    /**
-     * Current transformation matrix
-     */
-    PictTransform   crtc_to_framebuffer;
-    /* framebuffer_to_crtc was removed in ABI 2 */
-    struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
-    struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
-    PictFilterPtr   filter; /* ABI 2 */
-    xFixed	    *params; /* ABI 2 */
-    int		    nparams; /* ABI 2 */
-    int		    filter_width; /* ABI 2 */
-    int		    filter_height; /* ABI 2 */
-    Bool	    transform_in_use;
-    RRTransformRec  transform; /* ABI 2 */
-    Bool	    transformPresent; /* ABI 2 */
-    RRTransformRec  desiredTransform; /* ABI 2 */
-    Bool	    desiredTransformPresent; /* ABI 2 */
-    /**
-     * Bounding box in screen space
-     */
-    BoxRec	    bounds;
-    /**
-     * Panning:
-     * TotalArea: total panning area, larger than CRTC's size
-     * TrackingArea: Area of the pointer for which the CRTC is panned
-     * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
-     * Added in ABI version 2
-     */
-    BoxRec          panningTotalArea;
-    BoxRec          panningTrackingArea;
-    INT16           panningBorder[4];
-
-    /**
-     * Current gamma, especially useful after initial config.
-     * Added in ABI version 3
-     */
-    CARD16 *gamma_red;
-    CARD16 *gamma_green;
-    CARD16 *gamma_blue;
-    int gamma_size;
-
-    /**
-     * Actual state of this CRTC
-     *
-     * Set to TRUE after modesetting, set to FALSE if no outputs are connected
-     * Added in ABI version 3
-     */
-    Bool	    active;
-    /**
-     * Clear the shadow
-     */
-    Bool	    shadowClear;
-};
-
-typedef struct _xf86OutputFuncs {
-    /**
-     * Called to allow the output a chance to create properties after the
-     * RandR objects have been created.
-     */
-    void
-    (*create_resources)(xf86OutputPtr output);
-
-    /**
-     * Turns the output on/off, or sets intermediate power levels if available.
-     *
-     * Unsupported intermediate modes drop to the lower power setting.  If the
-     * mode is DPMSModeOff, the output must be disabled, as the DPLL may be
-     * disabled afterwards.
-     */
-    void
-    (*dpms)(xf86OutputPtr	output,
-	    int			mode);
-
-    /**
-     * Saves the output's state for restoration on VT switch.
-     */
-    void
-    (*save)(xf86OutputPtr	output);
-
-    /**
-     * Restore's the output's state at VT switch.
-     */
-    void
-    (*restore)(xf86OutputPtr	output);
-
-    /**
-     * Callback for testing a video mode for a given output.
-     *
-     * This function should only check for cases where a mode can't be supported
-     * on the output specifically, and not represent generic CRTC limitations.
-     *
-     * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
-     */
-    int
-    (*mode_valid)(xf86OutputPtr	    output,
-		  DisplayModePtr    pMode);
-
-    /**
-     * Callback to adjust the mode to be set in the CRTC.
-     *
-     * This allows an output to adjust the clock or even the entire set of
-     * timings, which is used for panels with fixed timings or for
-     * buses with clock limitations.
-     */
-    Bool
-    (*mode_fixup)(xf86OutputPtr output,
-		  DisplayModePtr mode,
-		  DisplayModePtr adjusted_mode);
-
-    /**
-     * Callback for preparing mode changes on an output
-     */
-    void
-    (*prepare)(xf86OutputPtr output);
-
-    /**
-     * Callback for committing mode changes on an output
-     */
-    void
-    (*commit)(xf86OutputPtr output);
-
-    /**
-     * Callback for setting up a video mode after fixups have been made.
-     *
-     * This is only called while the output is disabled.  The dpms callback
-     * must be all that's necessary for the output, to turn the output on
-     * after this function is called.
-     */
-    void
-    (*mode_set)(xf86OutputPtr  output,
-		DisplayModePtr mode,
-		DisplayModePtr adjusted_mode);
-
-    /**
-     * Probe for a connected output, and return detect_status.
-     */
-    xf86OutputStatus
-    (*detect)(xf86OutputPtr	    output);
-
-    /**
-     * Query the device for the modes it provides.
-     *
-     * This function may also update MonInfo, mm_width, and mm_height.
-     *
-     * \return singly-linked list of modes or NULL if no modes found.
-     */
-    DisplayModePtr
-    (*get_modes)(xf86OutputPtr	    output);
-
-#ifdef RANDR_12_INTERFACE
-    /**
-     * Callback when an output's property has changed.
-     */
-    Bool
-    (*set_property)(xf86OutputPtr output,
-		    Atom property,
-		    RRPropertyValuePtr value);
-#endif
-#ifdef RANDR_13_INTERFACE
-    /**
-     * Callback to get an updated property value
-     */
-    Bool
-    (*get_property)(xf86OutputPtr output,
-		    Atom property);
-#endif
-#ifdef RANDR_GET_CRTC_INTERFACE
-    /**
-     * Callback to get current CRTC for a given output
-     */
-    xf86CrtcPtr
-    (*get_crtc)(xf86OutputPtr output);
-#endif
-    /**
-     * Clean up driver-specific bits of the output
-     */
-    void
-    (*destroy) (xf86OutputPtr	    output);
-} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
-
-
-#define XF86_OUTPUT_VERSION 2
-
-struct _xf86Output {
-    /**
-     * ABI versioning
-     */
-    int version;
-
-    /**
-     * Associated ScrnInfo
-     */
-    ScrnInfoPtr		scrn;
-
-    /**
-     * Currently connected crtc (if any)
-     *
-     * If this output is not in use, this field will be NULL.
-     */
-    xf86CrtcPtr		crtc;
-
-    /**
-     * Possible CRTCs for this output as a mask of crtc indices
-     */
-    CARD32		possible_crtcs;
-
-    /**
-     * Possible outputs to share the same CRTC as a mask of output indices
-     */
-    CARD32		possible_clones;
-    
-    /**
-     * Whether this output can support interlaced modes
-     */
-    Bool		interlaceAllowed;
-
-    /**
-     * Whether this output can support double scan modes
-     */
-    Bool		doubleScanAllowed;
-
-    /**
-     * List of available modes on this output.
-     *
-     * This should be the list from get_modes(), plus perhaps additional
-     * compatible modes added later.
-     */
-    DisplayModePtr	probed_modes;
-
-    /**
-     * Options parsed from the related monitor section
-     */
-    OptionInfoPtr	options;
-    
-    /**
-     * Configured monitor section
-     */
-    XF86ConfMonitorPtr  conf_monitor;
-    
-    /**
-     * Desired initial position
-     */
-    int			initial_x, initial_y;
-
-    /**
-     * Desired initial rotation
-     */
-    Rotation		initial_rotation;
-
-    /**
-     * Current connection status
-     *
-     * This indicates whether a monitor is known to be connected
-     * to this output or not, or whether there is no way to tell
-     */
-    xf86OutputStatus	status;
-
-    /** EDID monitor information */
-    xf86MonPtr		MonInfo;
-
-    /** subpixel order */
-    int			subpixel_order;
-
-    /** Physical size of the currently attached output device. */
-    int			mm_width, mm_height;
-
-    /** Output name */
-    char		*name;
-
-    /** output-specific functions */
-    const xf86OutputFuncsRec *funcs;
-
-    /** driver private information */
-    void		*driver_private;
-    
-    /** Whether to use the old per-screen Monitor config section */
-    Bool		use_screen_monitor;
-
-#ifdef RANDR_12_INTERFACE
-    /**
-     * RandR 1.2 output structure.
-     *
-     * When RandR 1.2 is available, this points at the associated
-     * RandR output structure and is created when this output is created
-     */
-    RROutputPtr		randr_output;
-#else
-    void		*randr_output;
-#endif
-    /** 
-     * Desired initial panning
-     * Added in ABI version 2
-     */
-    BoxRec          initialTotalArea;
-    BoxRec          initialTrackingArea;
-    INT16           initialBorder[4];
-};
-
-typedef struct _xf86CrtcConfigFuncs {
-    /**
-     * Requests that the driver resize the screen.
-     *
-     * The driver is responsible for updating scrn->virtualX and scrn->virtualY.
-     * If the requested size cannot be set, the driver should leave those values
-     * alone and return FALSE.
-     *
-     * A naive driver that cannot reallocate the screen may simply change
-     * virtual[XY].  A more advanced driver will want to also change the
-     * devPrivate.ptr and devKind of the screen pixmap, update any offscreen
-     * pixmaps it may have moved, and change pScrn->displayWidth.
-     */
-    Bool
-    (*resize)(ScrnInfoPtr	scrn,
-	      int		width,
-	      int		height);
-} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
-
-typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
-
-typedef struct _xf86CrtcConfig {
-    int			num_output;
-    xf86OutputPtr	*output;
-    /**
-     * compat_output is used whenever we deal
-     * with legacy code that only understands a single
-     * output. pScrn->modes will be loaded from this output,
-     * adjust frame will whack this output, etc.
-     */
-    int			compat_output;
-
-    int			num_crtc;
-    xf86CrtcPtr		*crtc;
-
-    int			minWidth, minHeight;
-    int			maxWidth, maxHeight;
-    
-    /* For crtc-based rotation */
-    DamagePtr		rotation_damage;
-    Bool		rotation_damage_registered;
-
-    /* DGA */
-    unsigned int	dga_flags;
-    unsigned long	dga_address;
-    DGAModePtr		dga_modes;
-    int			dga_nmode;
-    int			dga_width, dga_height, dga_stride;
-    DisplayModePtr	dga_save_mode;
-
-    const xf86CrtcConfigFuncsRec *funcs;
-
-    CreateScreenResourcesProcPtr    CreateScreenResources;
-
-    CloseScreenProcPtr		    CloseScreen;
-
-    /* Cursor information */
-    xf86CursorInfoPtr	cursor_info;
-    CursorPtr		cursor;
-    CARD8		*cursor_image;
-    Bool		cursor_on;
-    CARD32		cursor_fg, cursor_bg;
-
-    /**
-     * Options parsed from the related device section
-     */
-    OptionInfoPtr	options;
-
-    Bool		debug_modes;
-
-    /* wrap screen BlockHandler for rotation */
-    ScreenBlockHandlerProcPtr	BlockHandler;
-
-    /* callback when crtc configuration changes */
-    xf86_crtc_notify_proc_ptr  xf86_crtc_notify;
-
-} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
-
-extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
-
-#define XF86_CRTC_CONFIG_PTR(p)	((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
-
-static _X_INLINE xf86OutputPtr
-xf86CompatOutput(ScrnInfoPtr pScrn)
-{
-    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
-    return config->output[config->compat_output];
-}
-
-static _X_INLINE xf86CrtcPtr
-xf86CompatCrtc(ScrnInfoPtr pScrn)
-{
-    xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
-    if (!compat_output)
-	return NULL;
-    return compat_output->crtc;
-}
-
-static _X_INLINE RRCrtcPtr
-xf86CompatRRCrtc(ScrnInfoPtr pScrn)
-{
-    xf86CrtcPtr	compat_crtc = xf86CompatCrtc(pScrn);
-    if (!compat_crtc)
-	return NULL;
-    return compat_crtc->randr_crtc;
-}
-
-
-/*
- * Initialize xf86CrtcConfig structure
- */
-
-extern _X_EXPORT void
-xf86CrtcConfigInit (ScrnInfoPtr				scrn,
-		    const xf86CrtcConfigFuncsRec	*funcs);
-
-extern _X_EXPORT void
-xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
-		      int minWidth, int minHeight,
-		      int maxWidth, int maxHeight);
-
-/*
- * Crtc functions
- */
-extern _X_EXPORT xf86CrtcPtr
-xf86CrtcCreate (ScrnInfoPtr		scrn,
-		const xf86CrtcFuncsRec	*funcs);
-
-extern _X_EXPORT void
-xf86CrtcDestroy (xf86CrtcPtr		crtc);
-
-
-/**
- * Sets the given video mode on the given crtc
- */
-
-extern _X_EXPORT Bool
-xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
-			  RRTransformPtr transform, int x, int y);
-
-extern _X_EXPORT Bool
-xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
-		 int x, int y);
-
-extern _X_EXPORT void
-xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);
-
-/*
- * Assign crtc rotation during mode set
- */
-extern _X_EXPORT Bool
-xf86CrtcRotate (xf86CrtcPtr crtc);
-
-/*
- * Clean up any rotation data, used when a crtc is turned off
- * as well as when rotation is disabled.
- */
-extern _X_EXPORT void
-xf86RotateDestroy (xf86CrtcPtr crtc);
-
-/*
- * free shadow memory allocated for all crtcs
- */
-extern _X_EXPORT void
-xf86RotateFreeShadow(ScrnInfoPtr pScrn);
-
-/*
- * Clean up rotation during CloseScreen
- */
-extern _X_EXPORT void
-xf86RotateCloseScreen (ScreenPtr pScreen);
-
-/**
- * Return whether any output is assigned to the crtc
- */
-extern _X_EXPORT Bool
-xf86CrtcInUse (xf86CrtcPtr crtc);
-
-/*
- * Output functions
- */
-extern _X_EXPORT xf86OutputPtr
-xf86OutputCreate (ScrnInfoPtr		    scrn,
-		  const xf86OutputFuncsRec  *funcs,
-		  const char		    *name);
-
-extern _X_EXPORT void
-xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
-
-extern _X_EXPORT Bool
-xf86OutputRename (xf86OutputPtr output, const char *name);
-
-extern _X_EXPORT void
-xf86OutputDestroy (xf86OutputPtr	output);
-
-extern _X_EXPORT void
-xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
-
-extern _X_EXPORT void
-xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
-
-#ifdef RANDR_13_INTERFACE
-# define ScreenInitRetType	int
-#else
-# define ScreenInitRetType	Bool
-#endif
-
-extern _X_EXPORT ScreenInitRetType
-xf86CrtcScreenInit (ScreenPtr pScreen);
-
-extern _X_EXPORT Bool
-xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);
-
-extern _X_EXPORT void
-xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
-    
-extern _X_EXPORT Bool
-xf86SaveScreen(ScreenPtr pScreen, int mode);
-
-extern _X_EXPORT void
-xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
-
-extern _X_EXPORT DisplayModePtr
-xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);
-    
-extern _X_EXPORT Bool
-xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
-
-/**
- * Set the EDID information for the specified output
- */
-extern _X_EXPORT void
-xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);
-
-/**
- * Return the list of modes supported by the EDID information
- * stored in 'output'
- */
-extern _X_EXPORT DisplayModePtr
-xf86OutputGetEDIDModes (xf86OutputPtr output);
-
-extern _X_EXPORT xf86MonPtr
-xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
-
-/**
- * Initialize dga for this screen
- */
-
-#ifdef XFreeXDGA
-extern _X_EXPORT Bool
-xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
-
-/* this is the real function, used only internally */
-_X_INTERNAL Bool
-_xf86_di_dga_init_internal (ScreenPtr pScreen);
-
-/**
- * Re-initialize dga for this screen (as when the set of modes changes)
- */
-
-extern _X_EXPORT Bool
-xf86DiDGAReInit (ScreenPtr pScreen);
-#endif
-
-/* This is the real function, used only internally */
-_X_INTERNAL Bool
-_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
-
-/*
- * Set the subpixel order reported for the screen using
- * the information from the outputs
- */
-
-extern _X_EXPORT void
-xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);
-
-/*
- * Get a standard string name for a connector type 
- */
-extern _X_EXPORT char *
-xf86ConnectorGetName(xf86ConnectorType connector);
-
-/*
- * Using the desired mode information in each crtc, set
- * modes (used in EnterVT functions, or at server startup)
- */
-
-extern _X_EXPORT Bool
-xf86SetDesiredModes (ScrnInfoPtr pScrn);
-
-/**
- * Initialize the CRTC-based cursor code. CRTC function vectors must
- * contain relevant cursor setting functions.
- *
- * Driver should call this from ScreenInit function
- */
-extern _X_EXPORT Bool
-xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);
-
-/**
- * Called when anything on the screen is reconfigured.
- *
- * Reloads cursor images as needed, then adjusts cursor positions.
- * 
- * Driver should call this from crtc commit function.
- */
-extern _X_EXPORT void
-xf86_reload_cursors (ScreenPtr screen);
-
-/**
- * Called from EnterVT to turn the cursors back on
- */
-extern _X_EXPORT void
-xf86_show_cursors (ScrnInfoPtr scrn);
-
-/**
- * Called by the driver to turn cursors off
- */
-extern _X_EXPORT void
-xf86_hide_cursors (ScrnInfoPtr scrn);
-
-/**
- * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
- */
-extern _X_EXPORT void
-xf86_cursors_fini (ScreenPtr screen);
-
-/*
- * For overlay video, compute the relevant CRTC and
- * clip video to that.
- * wraps xf86XVClipVideoHelper()
- */
-
-extern _X_EXPORT Bool
-xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
-			    xf86CrtcPtr *crtc_ret,
-			    xf86CrtcPtr desired_crtc,
-			    BoxPtr      dst,
-			    INT32	*xa,
-			    INT32	*xb,
-			    INT32	*ya,
-			    INT32	*yb,
-			    RegionPtr   reg,
-			    INT32	width,
-			    INT32	height);
-    
-extern _X_EXPORT xf86_crtc_notify_proc_ptr
-xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
-
-extern _X_EXPORT void
-xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
-
-extern _X_EXPORT void
-xf86_crtc_notify(ScreenPtr pScreen);
-
-/**
- * Gamma
- */
-
-extern _X_EXPORT Bool
-xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
-
-#endif /* _XF86CRTC_H_ */
+/*

+ * Copyright © 2006 Keith Packard

+ *

+ * Permission to use, copy, modify, distribute, and sell this software and its

+ * documentation for any purpose is hereby granted without fee, provided that

+ * the above copyright notice appear in all copies and that both that copyright

+ * notice and this permission notice appear in supporting documentation, and

+ * that the name of the copyright holders not be used in advertising or

+ * publicity pertaining to distribution of the software without specific,

+ * written prior permission.  The copyright holders make no representations

+ * about the suitability of this software for any purpose.  It is provided "as

+ * is" without express or implied warranty.

+ *

+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR

+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE

+ * OF THIS SOFTWARE.

+ */

+#ifndef _XF86CRTC_H_

+#define _XF86CRTC_H_

+

+#include <edid.h>

+#include "randrstr.h"

+#if XF86_MODES_RENAME

+#include "xf86Rename.h"

+#endif

+#include "xf86Modes.h"

+#include "xf86Cursor.h"

+#include "xf86i2c.h"

+#include "damage.h"

+#include "picturestr.h"

+

+/* Compat definitions for older X Servers. */

+#ifndef M_T_PREFERRED

+#define M_T_PREFERRED	0x08

+#endif

+#ifndef M_T_DRIVER

+#define M_T_DRIVER	0x40

+#endif

+#ifndef M_T_USERPREF

+#define M_T_USERPREF	0x80

+#endif

+#ifndef HARDWARE_CURSOR_ARGB

+#define HARDWARE_CURSOR_ARGB				0x00004000

+#endif

+

+typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;

+typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;

+

+/* define a standard for connector types */

+typedef enum _xf86ConnectorType {

+   XF86ConnectorNone,

+   XF86ConnectorVGA,

+   XF86ConnectorDVI_I,

+   XF86ConnectorDVI_D,

+   XF86ConnectorDVI_A,

+   XF86ConnectorComposite,

+   XF86ConnectorSvideo,

+   XF86ConnectorComponent,

+   XF86ConnectorLFP,

+   XF86ConnectorProprietary,

+   XF86ConnectorHDMI,

+   XF86ConnectorDisplayPort,

+} xf86ConnectorType;

+

+typedef enum _xf86OutputStatus {

+   XF86OutputStatusConnected,

+   XF86OutputStatusDisconnected,

+   XF86OutputStatusUnknown

+} xf86OutputStatus;

+

+typedef enum _xf86CrtcSetFlags {

+    XF86CrtcSetMode = 1,		/* mode */

+    XF86CrtcSetOutput = 2,		/* outputs */

+    XF86CrtcSetOrigin = 4,		/* x/y */

+    XF86CrtcSetTransform = 8,		/* transform */

+    XF86CrtcSetRotation = 16,		/* rotation */

+    XF86CrtcSetProperty = 32,		/* output property */

+    XF86CrtcSetScanoutPixmap = 64,	/* scanout pixmap */

+} xf86CrtcSetFlags;

+

+typedef struct _xf86CrtcSet {

+    xf86CrtcSetFlags	flags;

+    DisplayModePtr	mode;

+    Rotation		rotation;

+    RRTransformPtr	transform;

+    int			x, y;

+    PixmapPtr		scanout_pixmap;

+} xf86CrtcSetRec;

+

+typedef struct _xf86CrtcFuncs {

+   /**

+    * Turns the crtc on/off, or sets intermediate power levels if available.

+    *

+    * Unsupported intermediate modes drop to the lower power setting.  If the

+    * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to

+    * be safe to call mode_set.

+    */

+   void

+    (*dpms)(xf86CrtcPtr		crtc,

+	    int		    	mode);

+

+   /**

+    * Saves the crtc's state for restoration on VT switch.

+    */

+   void

+    (*save)(xf86CrtcPtr		crtc);

+

+   /**

+    * Restore's the crtc's state at VT switch.

+    */

+   void

+    (*restore)(xf86CrtcPtr	crtc);

+

+    /**

+     * Lock CRTC prior to mode setting, mostly for DRI.

+     * Returns whether unlock is needed

+     */

+    Bool

+    (*lock) (xf86CrtcPtr crtc);

+    

+    /**

+     * Unlock CRTC after mode setting, mostly for DRI

+     */

+    void

+    (*unlock) (xf86CrtcPtr crtc);

+    

+    /**

+     * Callback to adjust the mode to be set in the CRTC.

+     *

+     * This allows a CRTC to adjust the clock or even the entire set of

+     * timings, which is used for panels with fixed timings or for

+     * buses with clock limitations.

+     */

+    Bool

+    (*mode_fixup)(xf86CrtcPtr crtc,

+		  DisplayModePtr mode,

+		  DisplayModePtr adjusted_mode);

+

+    /**

+     * Prepare CRTC for an upcoming mode set.

+     */

+    void

+    (*prepare)(xf86CrtcPtr crtc);

+

+    /**

+     * Callback for setting up a video mode after fixups have been made.

+     */

+    void

+    (*mode_set)(xf86CrtcPtr crtc,

+		DisplayModePtr mode,

+		DisplayModePtr adjusted_mode,

+		int x, int y);

+

+    /**

+     * Commit mode changes to a CRTC

+     */

+    void

+    (*commit)(xf86CrtcPtr crtc);

+

+    /* Set the color ramps for the CRTC to the given values. */

+    void

+    (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,

+		 int size);

+

+    /**

+     * Allocate the shadow area, delay the pixmap creation until needed

+     */

+    void *

+    (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);

+    

+    /**

+     * Create shadow pixmap for rotation support

+     */

+    PixmapPtr

+    (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height);

+    

+    /**

+     * Destroy shadow pixmap

+     */

+    void

+    (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data);

+

+    /**

+     * Set cursor colors

+     */

+    void

+    (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);

+

+    /**

+     * Set cursor position

+     */

+    void

+    (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);

+

+    /**

+     * Show cursor

+     */

+    void

+    (*show_cursor) (xf86CrtcPtr crtc);

+

+    /**

+     * Hide cursor

+     */

+    void

+    (*hide_cursor) (xf86CrtcPtr crtc);

+

+    /**

+     * Load monochrome image

+     */

+    void

+    (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);

+

+    /**

+     * Load ARGB image

+     */

+     void

+     (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);

+     

+    /**

+     * Clean up driver-specific bits of the crtc

+     */

+    void

+    (*destroy) (xf86CrtcPtr	crtc);

+

+    /**

+     * Less fine-grained mode setting entry point for kernel modesetting

+     */

+    Bool

+    (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,

+		      Rotation rotation, int x, int y);

+

+    /**

+     * Callback for panning. Doesn't change the mode.

+     * Added in ABI version 2

+     */

+    void

+    (*set_origin)(xf86CrtcPtr crtc, int x, int y);

+

+    /**

+     * General mode setting entry point that does everything

+     */

+    Bool

+    (*set)(xf86CrtcPtr crtc, xf86CrtcSetFlags flags);

+

+} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;

+

+#define XF86_CRTC_VERSION 3

+

+struct _xf86Crtc {

+    /**

+     * ABI versioning

+     */

+    int version;

+

+    /**

+     * Associated ScrnInfo

+     */

+    ScrnInfoPtr	    scrn;

+    

+    /**

+     * Desired state of this CRTC

+     *

+     * Set when this CRTC should be driving one or more outputs 

+     */

+    Bool	    enabled;

+    

+    /**

+     * Active mode

+     *

+     * This reflects the mode as set in the CRTC currently

+     * It will be cleared when the VT is not active or

+     * during server startup

+     */

+    DisplayModeRec  mode;

+    Rotation	    rotation;

+    PixmapPtr	    rotatedPixmap;

+    void	    *rotatedData;

+    PixmapPtr	    scanoutPixmap;

+    

+    /**

+     * Position on screen

+     *

+     * Locates this CRTC within the frame buffer

+     */

+    int		    x, y;

+    

+    /**

+     * Desired mode

+     *

+     * This is set to the requested mode, independent of

+     * whether the VT is active. In particular, it receives

+     * the startup configured mode and saves the active mode

+     * on VT switch.

+     */

+    DisplayModeRec  desiredMode;

+    Rotation	    desiredRotation;

+    int		    desiredX, desiredY;

+    

+    /** crtc-specific functions */

+    const xf86CrtcFuncsRec *funcs;

+

+    /**

+     * Driver private

+     *

+     * Holds driver-private information

+     */

+    void	    *driver_private;

+

+#ifdef RANDR_12_INTERFACE

+    /**

+     * RandR crtc

+     *

+     * When RandR 1.2 is available, this

+     * points at the associated crtc object

+     */

+    RRCrtcPtr	    randr_crtc;

+#else

+    void	    *randr_crtc;

+#endif

+

+    /**

+     * Current cursor is ARGB

+     */

+    Bool	    cursor_argb;

+    /**

+     * Track whether cursor is within CRTC range 

+     */

+    Bool	    cursor_in_range;

+    /**

+     * Track state of cursor associated with this CRTC

+     */

+    Bool	    cursor_shown;

+

+    /**

+     * Current transformation matrix

+     */

+    PictTransform   crtc_to_framebuffer;

+    /* framebuffer_to_crtc was removed in ABI 2 */

+    struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */

+    struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */

+    PictFilterPtr   filter; /* ABI 2 */

+    xFixed	    *params; /* ABI 2 */

+    int		    nparams; /* ABI 2 */

+    int		    filter_width; /* ABI 2 */

+    int		    filter_height; /* ABI 2 */

+    Bool	    transform_in_use;

+    Bool	    sprite_transform_in_use;

+    RRTransformRec  transform; /* ABI 2 */

+    Bool	    transformPresent; /* ABI 2 */

+    RRTransformRec  desiredTransform; /* ABI 2 */

+    Bool	    desiredTransformPresent; /* ABI 2 */

+    /**

+     * Bounding box in screen space

+     */

+    BoxRec	    bounds;

+    /**

+     * Panning:

+     * TotalArea: total panning area, larger than CRTC's size

+     * TrackingArea: Area of the pointer for which the CRTC is panned

+     * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them

+     * Added in ABI version 2

+     */

+    BoxRec          panningTotalArea;

+    BoxRec          panningTrackingArea;

+    INT16           panningBorder[4];

+

+    /**

+     * Current gamma, especially useful after initial config.

+     * Added in ABI version 3

+     */

+    CARD16 *gamma_red;

+    CARD16 *gamma_green;

+    CARD16 *gamma_blue;

+    int gamma_size;

+

+    /**

+     * Actual state of this CRTC

+     *

+     * Set to TRUE after modesetting, set to FALSE if no outputs are connected

+     * Added in ABI version 3

+     */

+    Bool	    active;

+    /**

+     * Clear the shadow

+     */

+    Bool	    shadowClear;

+

+    /**

+     * Sprite position transforms

+     */

+

+    /* Transform a screen coordinate to a crtc coordinate */

+    struct pixman_f_transform f_screen_to_crtc;

+

+    /* The user-specified portion of the screen to crtc conversion */

+    struct pixman_f_transform user_sprite_position_transform;

+

+    /* Transform a hardware cursor coordinate to a cursor coordinate */

+    struct pixman_f_transform f_crtc_to_cursor;

+

+    /* The user-specified portion of the cursor to hardware transform */

+    struct pixman_f_transform user_sprite_image_transform;

+};

+

+typedef struct _xf86OutputFuncs {

+    /**

+     * Called to allow the output a chance to create properties after the

+     * RandR objects have been created.

+     */

+    void

+    (*create_resources)(xf86OutputPtr output);

+

+    /**

+     * Turns the output on/off, or sets intermediate power levels if available.

+     *

+     * Unsupported intermediate modes drop to the lower power setting.  If the

+     * mode is DPMSModeOff, the output must be disabled, as the DPLL may be

+     * disabled afterwards.

+     */

+    void

+    (*dpms)(xf86OutputPtr	output,

+	    int			mode);

+

+    /**

+     * Saves the output's state for restoration on VT switch.

+     */

+    void

+    (*save)(xf86OutputPtr	output);

+

+    /**

+     * Restore's the output's state at VT switch.

+     */

+    void

+    (*restore)(xf86OutputPtr	output);

+

+    /**

+     * Callback for testing a video mode for a given output.

+     *

+     * This function should only check for cases where a mode can't be supported

+     * on the output specifically, and not represent generic CRTC limitations.

+     *

+     * \return MODE_OK if the mode is valid, or another MODE_* otherwise.

+     */

+    int

+    (*mode_valid)(xf86OutputPtr	    output,

+		  DisplayModePtr    pMode);

+

+    /**

+     * Callback to adjust the mode to be set in the CRTC.

+     *

+     * This allows an output to adjust the clock or even the entire set of

+     * timings, which is used for panels with fixed timings or for

+     * buses with clock limitations.

+     */

+    Bool

+    (*mode_fixup)(xf86OutputPtr output,

+		  DisplayModePtr mode,

+		  DisplayModePtr adjusted_mode);

+

+    /**

+     * Callback for preparing mode changes on an output

+     */

+    void

+    (*prepare)(xf86OutputPtr output);

+

+    /**

+     * Callback for committing mode changes on an output

+     */

+    void

+    (*commit)(xf86OutputPtr output);

+

+    /**

+     * Callback for setting up a video mode after fixups have been made.

+     *

+     * This is only called while the output is disabled.  The dpms callback

+     * must be all that's necessary for the output, to turn the output on

+     * after this function is called.

+     */

+    void

+    (*mode_set)(xf86OutputPtr  output,

+		DisplayModePtr mode,

+		DisplayModePtr adjusted_mode);

+

+    /**

+     * Probe for a connected output, and return detect_status.

+     */

+    xf86OutputStatus

+    (*detect)(xf86OutputPtr	    output);

+

+    /**

+     * Query the device for the modes it provides.

+     *

+     * This function may also update MonInfo, mm_width, and mm_height.

+     *

+     * \return singly-linked list of modes or NULL if no modes found.

+     */

+    DisplayModePtr

+    (*get_modes)(xf86OutputPtr	    output);

+

+#ifdef RANDR_12_INTERFACE

+    /**

+     * Callback when an output's property has changed.

+     */

+    Bool

+    (*set_property)(xf86OutputPtr output,

+		    Atom property,

+		    RRPropertyValuePtr value);

+#endif

+#ifdef RANDR_13_INTERFACE

+    /**

+     * Callback to get an updated property value

+     */

+    Bool

+    (*get_property)(xf86OutputPtr output,

+		    Atom property);

+#endif

+#ifdef RANDR_GET_CRTC_INTERFACE

+    /**

+     * Callback to get current CRTC for a given output

+     */

+    xf86CrtcPtr

+    (*get_crtc)(xf86OutputPtr output);

+#endif

+    /**

+     * Clean up driver-specific bits of the output

+     */

+    void

+    (*destroy) (xf86OutputPtr	    output);

+} xf86OutputFuncsRec, *xf86OutputFuncsPtr;

+

+

+#define XF86_OUTPUT_VERSION 2

+

+struct _xf86Output {

+    /**

+     * ABI versioning

+     */

+    int version;

+

+    /**

+     * Associated ScrnInfo

+     */

+    ScrnInfoPtr		scrn;

+

+    /**

+     * Currently connected crtc (if any)

+     *

+     * If this output is not in use, this field will be NULL.

+     */

+    xf86CrtcPtr		crtc;

+

+    /**

+     * Possible CRTCs for this output as a mask of crtc indices

+     */

+    CARD32		possible_crtcs;

+

+    /**

+     * Possible outputs to share the same CRTC as a mask of output indices

+     */

+    CARD32		possible_clones;

+    

+    /**

+     * Whether this output can support interlaced modes

+     */

+    Bool		interlaceAllowed;

+

+    /**

+     * Whether this output can support double scan modes

+     */

+    Bool		doubleScanAllowed;

+

+    /**

+     * List of available modes on this output.

+     *

+     * This should be the list from get_modes(), plus perhaps additional

+     * compatible modes added later.

+     */

+    DisplayModePtr	probed_modes;

+

+    /**

+     * Options parsed from the related monitor section

+     */

+    OptionInfoPtr	options;

+    

+    /**

+     * Configured monitor section

+     */

+    XF86ConfMonitorPtr  conf_monitor;

+    

+    /**

+     * Desired initial position

+     */

+    int			initial_x, initial_y;

+

+    /**

+     * Desired initial rotation

+     */

+    Rotation		initial_rotation;

+

+    /**

+     * Current connection status

+     *

+     * This indicates whether a monitor is known to be connected

+     * to this output or not, or whether there is no way to tell

+     */

+    xf86OutputStatus	status;

+

+    /** EDID monitor information */

+    xf86MonPtr		MonInfo;

+

+    /** subpixel order */

+    int			subpixel_order;

+

+    /** Physical size of the currently attached output device. */

+    int			mm_width, mm_height;

+

+    /** Output name */

+    char		*name;

+

+    /** output-specific functions */

+    const xf86OutputFuncsRec *funcs;

+

+    /** driver private information */

+    void		*driver_private;

+    

+    /** Whether to use the old per-screen Monitor config section */

+    Bool		use_screen_monitor;

+

+#ifdef RANDR_12_INTERFACE

+    /**

+     * RandR 1.2 output structure.

+     *

+     * When RandR 1.2 is available, this points at the associated

+     * RandR output structure and is created when this output is created

+     */

+    RROutputPtr		randr_output;

+#else

+    void		*randr_output;

+#endif

+    /** 

+     * Desired initial panning

+     * Added in ABI version 2

+     */

+    BoxRec          initialTotalArea;

+    BoxRec          initialTrackingArea;

+    INT16           initialBorder[4];

+};

+

+typedef enum _xf86SetConfigResponse {

+    xf86SetConfigFailed,		/* set_config failed */

+    xf86SetConfigChecked,		/* set_config validated the configuration */

+    xf86SetConfigDone,			/* set_config finished the work */

+} xf86SetConfigResponse;

+

+typedef struct _xf86CrtcSetConfig {

+    xf86CrtcPtr			crtc;

+    int				x, y;

+    DisplayModeRec		mode;

+    Rotation			rotation;

+    int				numOutputs;

+    xf86OutputPtr		*outputs;

+    struct pict_f_transform	sprite_position_transform;

+    struct pict_f_transform	sprite_image_transform;

+

+    /* Probably want some internal structure for the pixmap so that

+     * this can be set before the server is running

+     */

+    PixmapPtr			pixmap;

+    int				pixmap_x, pixmap_y;

+} xf86CrtcSetConfigRec, *xf86CrtcSetConfigPtr;

+

+typedef struct _xf86CrtcScanoutFormat {

+    int		    depth;

+    int		    bitsPerPixel;

+    int		    maxWidth, maxHeight;

+    Rotation	    rotations;

+    PictFormatShort format;

+} xf86CrtcScanoutFormat;

+

+typedef struct _xf86CrtcConfigFuncs {

+    /**

+     * Requests that the driver resize the screen.

+     *

+     * The driver is responsible for updating scrn->virtualX and scrn->virtualY.

+     * If the requested size cannot be set, the driver should leave those values

+     * alone and return FALSE.

+     *

+     * A naive driver that cannot reallocate the screen may simply change

+     * virtual[XY].  A more advanced driver will want to also change the

+     * devPrivate.ptr and devKind of the screen pixmap, update any offscreen

+     * pixmaps it may have moved, and change pScrn->displayWidth.

+     */

+    Bool

+    (*resize)(ScrnInfoPtr	scrn,

+	      int		width,

+	      int		height);

+

+    xf86SetConfigResponse

+    (*set_config) (ScrnInfoPtr		scrn,

+		   RRScreenConfigPtr	screen_config,

+		   xf86CrtcSetConfigPtr	crtc_configs,

+		   int			num_configs);

+

+    /**

+     * Create a scanout pixmap

+     */

+    PixmapPtr

+    (*create_scanout_pixmap)(ScrnInfoPtr		scrn,

+			     int			width,

+			     int			height,

+			     Rotation			rotations,

+			     xf86CrtcScanoutFormat	*format);

+

+} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;

+

+typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);

+

+typedef struct _xf86CrtcConfig {

+    int			num_output;

+    xf86OutputPtr	*output;

+    /**

+     * compat_output is used whenever we deal

+     * with legacy code that only understands a single

+     * output. pScrn->modes will be loaded from this output,

+     * adjust frame will whack this output, etc.

+     */

+    int			compat_output;

+

+    int			num_crtc;

+    xf86CrtcPtr		*crtc;

+

+    int			minWidth, minHeight;

+    int			maxWidth, maxHeight;

+    

+    /* For crtc-based rotation */

+    DamagePtr		rotation_damage;

+    Bool		rotation_damage_registered;

+

+    /* DGA */

+    unsigned int	dga_flags;

+    unsigned long	dga_address;

+    DGAModePtr		dga_modes;

+    int			dga_nmode;

+    int			dga_width, dga_height, dga_stride;

+    DisplayModePtr	dga_save_mode;

+

+    const xf86CrtcConfigFuncsRec *funcs;

+

+    CreateScreenResourcesProcPtr    CreateScreenResources;

+

+    CloseScreenProcPtr		    CloseScreen;

+

+    /* Cursor information */

+    xf86CursorInfoPtr	cursor_info;

+    CursorPtr		cursor;

+    CARD8		*cursor_image;

+    Bool		cursor_on;

+    CARD32		cursor_fg, cursor_bg;

+

+    /**

+     * Options parsed from the related device section

+     */

+    OptionInfoPtr	options;

+

+    Bool		debug_modes;

+

+    /* wrap screen BlockHandler for rotation */

+    ScreenBlockHandlerProcPtr	BlockHandler;

+

+    /* callback when crtc configuration changes */

+    xf86_crtc_notify_proc_ptr  xf86_crtc_notify;

+

+    /*

+     * Supported scanout pixmap formats

+     */

+    int			num_scanout_formats;

+    xf86CrtcScanoutFormat	*scanout_formats;

+} xf86CrtcConfigRec, *xf86CrtcConfigPtr;

+

+extern _X_EXPORT int xf86CrtcConfigPrivateIndex;

+

+#define XF86_CRTC_CONFIG_PTR(p)	((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))

+

+static _X_INLINE xf86OutputPtr

+xf86CompatOutput(ScrnInfoPtr pScrn)

+{

+    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);

+    return config->output[config->compat_output];

+}

+

+static _X_INLINE xf86CrtcPtr

+xf86CompatCrtc(ScrnInfoPtr pScrn)

+{

+    xf86OutputPtr compat_output = xf86CompatOutput(pScrn);

+    if (!compat_output)

+	return NULL;

+    return compat_output->crtc;

+}

+

+static _X_INLINE RRCrtcPtr

+xf86CompatRRCrtc(ScrnInfoPtr pScrn)

+{

+    xf86CrtcPtr	compat_crtc = xf86CompatCrtc(pScrn);

+    if (!compat_crtc)

+	return NULL;

+    return compat_crtc->randr_crtc;

+}

+

+

+/*

+ * Initialize xf86CrtcConfig structure

+ */

+

+extern _X_EXPORT void

+xf86CrtcConfigInit (ScrnInfoPtr				scrn,

+		    const xf86CrtcConfigFuncsRec	*funcs);

+

+extern _X_EXPORT void

+xf86CrtcSetSizeRange (ScrnInfoPtr scrn,

+		      int minWidth, int minHeight,

+		      int maxWidth, int maxHeight);

+

+extern _X_EXPORT void

+xf86CrtcSetScanoutFormats (ScrnInfoPtr			scrn,

+			   int				num_formats,

+			   xf86CrtcScanoutFormat	*formats);

+

+/*

+ * Crtc functions

+ */

+extern _X_EXPORT xf86CrtcPtr

+xf86CrtcCreate (ScrnInfoPtr		scrn,

+		const xf86CrtcFuncsRec	*funcs);

+

+extern _X_EXPORT void

+xf86CrtcDestroy (xf86CrtcPtr		crtc);

+

+/**

+ * Change a crtc configuration (modes, outputs, etc)

+ */

+

+extern _X_EXPORT Bool

+xf86CrtcSet (xf86CrtcPtr crtc, xf86CrtcSetRec *set);

+

+extern _X_EXPORT void

+xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);

+

+/*

+ * Assign crtc rotation during mode set

+ */

+extern _X_EXPORT Bool

+xf86CrtcRotate (xf86CrtcPtr crtc);

+

+

+/*

+ * Update cursor transform matrices after user changes

+ * This is just the cursor subset of xf86CrtcRotate

+ */

+extern _X_EXPORT void

+xf86CrtcRotateCursor (xf86CrtcPtr crtc);

+

+/*

+ * Clean up any rotation data, used when a crtc is turned off

+ * as well as when rotation is disabled.

+ */

+extern _X_EXPORT void

+xf86RotateDestroy (xf86CrtcPtr crtc);

+

+/*

+ * free shadow memory allocated for all crtcs

+ */

+extern _X_EXPORT void

+xf86RotateFreeShadow(ScrnInfoPtr pScrn);

+

+/*

+ * Clean up rotation during CloseScreen

+ */

+extern _X_EXPORT void

+xf86RotateCloseScreen (ScreenPtr pScreen);

+

+/**

+ * Return whether any output is assigned to the crtc

+ */

+extern _X_EXPORT Bool

+xf86CrtcInUse (xf86CrtcPtr crtc);

+

+/*

+ * Output functions

+ */

+extern _X_EXPORT xf86OutputPtr

+xf86OutputCreate (ScrnInfoPtr		    scrn,

+		  const xf86OutputFuncsRec  *funcs,

+		  const char		    *name);

+

+extern _X_EXPORT void

+xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);

+

+extern _X_EXPORT Bool

+xf86OutputRename (xf86OutputPtr output, const char *name);

+

+extern _X_EXPORT void

+xf86OutputDestroy (xf86OutputPtr	output);

+

+extern _X_EXPORT void

+xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);

+

+extern _X_EXPORT void

+xf86SetScrnInfoModes (ScrnInfoPtr pScrn);

+

+#ifdef RANDR_13_INTERFACE

+# define ScreenInitRetType	int

+#else

+# define ScreenInitRetType	Bool

+#endif

+

+extern _X_EXPORT ScreenInitRetType

+xf86CrtcScreenInit (ScreenPtr pScreen);

+

+extern _X_EXPORT Bool

+xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);

+

+extern _X_EXPORT void

+xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);

+    

+extern _X_EXPORT Bool

+xf86SaveScreen(ScreenPtr pScreen, int mode);

+

+extern _X_EXPORT void

+xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);

+

+extern _X_EXPORT DisplayModePtr

+xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);

+    

+extern _X_EXPORT Bool

+xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);

+

+/**

+ * Set the EDID information for the specified output

+ */

+extern _X_EXPORT void

+xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);

+

+/**

+ * Return the list of modes supported by the EDID information

+ * stored in 'output'

+ */

+extern _X_EXPORT DisplayModePtr

+xf86OutputGetEDIDModes (xf86OutputPtr output);

+

+extern _X_EXPORT xf86MonPtr

+xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);

+

+/**

+ * Initialize dga for this screen

+ */

+

+#ifdef XFreeXDGA

+extern _X_EXPORT Bool

+xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);

+

+/* this is the real function, used only internally */

+_X_INTERNAL Bool

+_xf86_di_dga_init_internal (ScreenPtr pScreen);

+

+/**

+ * Re-initialize dga for this screen (as when the set of modes changes)

+ */

+

+extern _X_EXPORT Bool

+xf86DiDGAReInit (ScreenPtr pScreen);

+#endif

+

+/* This is the real function, used only internally */

+_X_INTERNAL Bool

+_xf86_di_dga_reinit_internal (ScreenPtr pScreen);

+

+/*

+ * Set the subpixel order reported for the screen using

+ * the information from the outputs

+ */

+

+extern _X_EXPORT void

+xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);

+

+/*

+ * Get a standard string name for a connector type 

+ */

+extern _X_EXPORT char *

+xf86ConnectorGetName(xf86ConnectorType connector);

+

+/*

+ * Using the desired mode information in each crtc, set

+ * modes (used in EnterVT functions, or at server startup)

+ */

+

+extern _X_EXPORT Bool

+xf86SetDesiredModes (ScrnInfoPtr pScrn);

+

+/**

+ * Initialize the CRTC-based cursor code. CRTC function vectors must

+ * contain relevant cursor setting functions.

+ *

+ * Driver should call this from ScreenInit function

+ */

+extern _X_EXPORT Bool

+xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);

+

+/**

+ * Called when anything on the screen is reconfigured.

+ *

+ * Reloads cursor images as needed, then adjusts cursor positions.

+ * 

+ * Driver should call this from crtc commit function.

+ */

+extern _X_EXPORT void

+xf86_reload_cursors (ScreenPtr screen);

+

+/**

+ * Called from EnterVT to turn the cursors back on

+ */

+extern _X_EXPORT void

+xf86_show_cursors (ScrnInfoPtr scrn);

+

+/**

+ * Called by the driver to turn cursors off

+ */

+extern _X_EXPORT void

+xf86_hide_cursors (ScrnInfoPtr scrn);

+

+/**

+ * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.

+ */

+extern _X_EXPORT void

+xf86_cursors_fini (ScreenPtr screen);

+

+/*

+ * For overlay video, compute the relevant CRTC and

+ * clip video to that.

+ * wraps xf86XVClipVideoHelper()

+ */

+

+extern _X_EXPORT Bool

+xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,

+			    xf86CrtcPtr *crtc_ret,

+			    xf86CrtcPtr desired_crtc,

+			    BoxPtr      dst,

+			    INT32	*xa,

+			    INT32	*xb,

+			    INT32	*ya,

+			    INT32	*yb,

+			    RegionPtr   reg,

+			    INT32	width,

+			    INT32	height);

+    

+extern _X_EXPORT xf86_crtc_notify_proc_ptr

+xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);

+

+extern _X_EXPORT void

+xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);

+

+extern _X_EXPORT void

+xf86_crtc_notify(ScreenPtr pScreen);

+

+/**

+ * Gamma

+ */

+

+extern _X_EXPORT Bool

+xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);

+

+#endif /* _XF86CRTC_H_ */