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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