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