e454f106dc
This adds support for using the libpciaccess interface for vga arbitration support on top of a kernel which supports it. Currently patches are queued for kernel 2.6.32 in jbarnes pci tree, and shipping in Fedora kernel. Co-authors: Tiago Vignatti <tiago.vignatti@nokia.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
267 lines
11 KiB
C
267 lines
11 KiB
C
/*
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* Copyright (c) 2009 Tiago Vignatti
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "misc.h"
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#include "xf86.h"
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#include "xf86_OSproc.h"
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#include <X11/X.h>
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#include "colormapst.h"
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#include "scrnintstr.h"
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#include "screenint.h"
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#include "gcstruct.h"
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#include "pixmapstr.h"
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#include "pixmap.h"
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#include "windowstr.h"
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#include "window.h"
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#include "xf86str.h"
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#include "mipointer.h"
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#include "mipointrst.h"
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#ifdef RENDER
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# include "picturestr.h"
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#endif
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#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
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#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
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#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \
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dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x
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#define SCREEN_EPILOG(x,y) pScreen->x = y;
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#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
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ps->x = y;}
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#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
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#define PICTURE_PROLOGUE(field) ps->field = \
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((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
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VGAarbiterScreenKey))->field
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#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
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#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
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#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
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#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
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(miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
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miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
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((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
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VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
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#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
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PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs;
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#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
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PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs; \
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} while (0)
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#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
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#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
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pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
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(x)->funcs = &VGAarbiterGCFuncs;
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#define GC_UNWRAP(x) VGAarbiterGCPtr pGCPriv = \
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(VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
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(x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
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#define GC_SCREEN register ScrnInfoPtr pScrn = \
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xf86Screens[pGC->pScreen->myNum]
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#define VGAGet(x)\
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pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev); \
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pci_device_vgaarb_lock();
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#define VGAGet_GC(x)\
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pci_device_vgaarb_set_target(xf86Screens[pGC->pScreen->myNum]->vgaDev); \
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pci_device_vgaarb_lock();
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#define VGAPut(x)\
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pci_device_vgaarb_unlock();
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#define VGAPut_GC(x)\
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pci_device_vgaarb_unlock();
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typedef struct _VGAarbiterScreen {
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CreateGCProcPtr CreateGC;
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CloseScreenProcPtr CloseScreen;
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ScreenBlockHandlerProcPtr BlockHandler;
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ScreenWakeupHandlerProcPtr WakeupHandler;
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GetImageProcPtr GetImage;
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GetSpansProcPtr GetSpans;
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SourceValidateProcPtr SourceValidate;
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CopyWindowProcPtr CopyWindow;
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ClearToBackgroundProcPtr ClearToBackground;
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CreatePixmapProcPtr CreatePixmap;
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SaveScreenProcPtr SaveScreen;
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/* Colormap */
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StoreColorsProcPtr StoreColors;
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/* Cursor */
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DisplayCursorProcPtr DisplayCursor;
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RealizeCursorProcPtr RealizeCursor;
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UnrealizeCursorProcPtr UnrealizeCursor;
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RecolorCursorProcPtr RecolorCursor;
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SetCursorPositionProcPtr SetCursorPosition;
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void (*AdjustFrame)(int,int,int,int);
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Bool (*SwitchMode)(int, DisplayModePtr,int);
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Bool (*EnterVT)(int, int);
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void (*LeaveVT)(int, int);
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void (*FreeScreen)(int, int);
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miPointerSpriteFuncPtr miSprite;
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#ifdef RENDER
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CompositeProcPtr Composite;
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GlyphsProcPtr Glyphs;
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CompositeRectsProcPtr CompositeRects;
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#endif
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} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
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typedef struct _VGAarbiterGC {
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GCOps *wrapOps;
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GCFuncs *wrapFuncs;
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} VGAarbiterGCRec, *VGAarbiterGCPtr;
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/* Screen funcs */
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static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask);
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static void VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask);
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static Bool VGAarbiterCloseScreen (int i, ScreenPtr pScreen);
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static void VGAarbiterGetImage (DrawablePtr pDrawable, int sx, int sy, int w,
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int h, unsigned int format, unsigned long planemask, char *pdstLine);
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static void VGAarbiterGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr
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ppt, int *pwidth, int nspans, char *pdstStart);
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static void VGAarbiterSourceValidate (DrawablePtr pDrawable, int x, int y,
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int width, int height);
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static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
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RegionPtr prgnSrc);
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static void VGAarbiterClearToBackground (WindowPtr pWin, int x, int y, int w,
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int h, Bool generateExposures);
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static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
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int depth, unsigned int usage_hint);
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static Bool VGAarbiterCreateGC(GCPtr pGC);
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static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
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static void VGAarbiterStoreColors (ColormapPtr pmap, int ndef, xColorItem
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*pdefs);
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static void VGAarbiterRecolorCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCurs, Bool displayed);
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static Bool VGAarbiterRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool VGAarbiterUnrealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool VGAarbiterDisplayCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool VGAarbiterSetCursorPosition (DeviceIntPtr pDev, ScreenPtr
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pScreen, int x, int y, Bool generateEvent);
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static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);
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static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);
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static Bool VGAarbiterEnterVT(int index, int flags);
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static void VGAarbiterLeaveVT(int index, int flags);
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static void VGAarbiterFreeScreen(int index, int flags);
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/* GC funcs */
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static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
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DrawablePtr pDraw);
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static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
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static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
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static void VGAarbiterDestroyGC(GCPtr pGC);
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static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,
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int nrects);
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static void VGAarbiterDestroyClip(GCPtr pGC);
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static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
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/* GC ops */
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static void VGAarbiterFillSpans( DrawablePtr pDraw, GC *pGC, int nInit,
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DDXPointPtr pptInit, int *pwidthInit, int fSorted);
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static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
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register DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
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static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth,
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int x, int y, int w, int h, int leftPad, int format, char *pImage);
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static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
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GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty);
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static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
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GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty,
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unsigned long bitPlane);
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static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode,
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int npt, xPoint *pptInit);
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static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode,
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int npt, DDXPointPtr pptInit);
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static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
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xSegment *pSeg);
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static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
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int nRectsInit, xRectangle *pRectsInit);
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static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
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xArc *parcs);
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static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
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int mode, int count, DDXPointPtr ptsIn);
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static void VGAarbiterPolyFillRect( DrawablePtr pDraw, GCPtr pGC,
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int nrectFill, xRectangle *prectInit);
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static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
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xArc *parcs);
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static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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int count, char *chars);
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static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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int count, unsigned short *chars);
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static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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int count, char *chars);
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static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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int count, unsigned short *chars);
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static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
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int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
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static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
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int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
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static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
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pDraw, int dx, int dy, int xOrg, int yOrg);
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/* miSpriteFuncs */
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static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
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pScreen, CursorPtr pCur);
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static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
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pScreen, CursorPtr pCur);
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static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCur, int x, int y);
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static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y);
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static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
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#ifdef RENDER
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static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
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PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
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INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
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static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
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PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr
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list, GlyphPtr *glyphs);
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static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor
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*color, int nRect, xRectangle *rects);
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#endif
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