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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h')
-rw-r--r--xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h521
1 files changed, 268 insertions, 253 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h b/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
index 13fde5e79..2513ce65d 100644
--- a/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
+++ b/xorg-server/hw/xfree86/common/xf86VGAarbiterPriv.h
@@ -1,253 +1,268 @@
-/*
- * Copyright (c) 2009 Tiago Vignatti
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-#include <X11/X.h>
-#include "colormapst.h"
-#include "scrnintstr.h"
-#include "screenint.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "pixmap.h"
-#include "windowstr.h"
-#include "window.h"
-#include "xf86str.h"
-#include "mipointer.h"
-#include "mipointrst.h"
-# include "picturestr.h"
-
-
-#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
-
-#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
-
-#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \
- dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x
-
-#define SCREEN_EPILOG(x,y) pScreen->x = y;
-
-#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
- ps->x = y;}
-
-#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
-
-#define PICTURE_PROLOGUE(field) ps->field = \
- ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
- VGAarbiterScreenKey))->field
-
-#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
-
-#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
-
-#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
-
-#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
- (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
- miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
- ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
- VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
-
-#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
- PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs;
-
-#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
- PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs; \
- } while (0)
-
-#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
-
-#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
- pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
- (x)->funcs = &VGAarbiterGCFuncs;
-
-#define GC_UNWRAP(x) VGAarbiterGCPtr pGCPriv = \
- (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
- (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
-
-static inline void
-VGAGet(ScreenPtr pScreen) {
- pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev);
- pci_device_vgaarb_lock();
-}
-
-static inline void
-VGAPut(void) {
- pci_device_vgaarb_unlock();
-}
-
-typedef struct _VGAarbiterScreen {
- CreateGCProcPtr CreateGC;
- CloseScreenProcPtr CloseScreen;
- ScreenBlockHandlerProcPtr BlockHandler;
- ScreenWakeupHandlerProcPtr WakeupHandler;
- GetImageProcPtr GetImage;
- GetSpansProcPtr GetSpans;
- SourceValidateProcPtr SourceValidate;
- CopyWindowProcPtr CopyWindow;
- ClearToBackgroundProcPtr ClearToBackground;
- CreatePixmapProcPtr CreatePixmap;
- SaveScreenProcPtr SaveScreen;
- /* Colormap */
- StoreColorsProcPtr StoreColors;
- /* Cursor */
- DisplayCursorProcPtr DisplayCursor;
- RealizeCursorProcPtr RealizeCursor;
- UnrealizeCursorProcPtr UnrealizeCursor;
- RecolorCursorProcPtr RecolorCursor;
- SetCursorPositionProcPtr SetCursorPosition;
- void (*AdjustFrame)(int,int,int,int);
- Bool (*SwitchMode)(int, DisplayModePtr,int);
- Bool (*EnterVT)(int, int);
- void (*LeaveVT)(int, int);
- void (*FreeScreen)(int, int);
- miPointerSpriteFuncPtr miSprite;
- CompositeProcPtr Composite;
- GlyphsProcPtr Glyphs;
- CompositeRectsProcPtr CompositeRects;
-} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
-
-typedef struct _VGAarbiterGC {
- GCOps *wrapOps;
- GCFuncs *wrapFuncs;
-} VGAarbiterGCRec, *VGAarbiterGCPtr;
-
-/* Screen funcs */
-static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask);
-static void VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask);
-static Bool VGAarbiterCloseScreen (int i, ScreenPtr pScreen);
-static void VGAarbiterGetImage (DrawablePtr pDrawable, int sx, int sy, int w,
- int h, unsigned int format, unsigned long planemask, char *pdstLine);
-static void VGAarbiterGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr
- ppt, int *pwidth, int nspans, char *pdstStart);
-static void VGAarbiterSourceValidate (DrawablePtr pDrawable, int x, int y,
- int width, int height, unsigned int subWindowMode);
-static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
- RegionPtr prgnSrc);
-static void VGAarbiterClearToBackground (WindowPtr pWin, int x, int y, int w,
- int h, Bool generateExposures);
-static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
- int depth, unsigned int usage_hint);
-static Bool VGAarbiterCreateGC(GCPtr pGC);
-static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
-static void VGAarbiterStoreColors (ColormapPtr pmap, int ndef, xColorItem
- *pdefs);
-static void VGAarbiterRecolorCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCurs, Bool displayed);
-static Bool VGAarbiterRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor);
-static Bool VGAarbiterUnrealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor);
-static Bool VGAarbiterDisplayCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor);
-static Bool VGAarbiterSetCursorPosition (DeviceIntPtr pDev, ScreenPtr
- pScreen, int x, int y, Bool generateEvent);
-static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);
-static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);
-static Bool VGAarbiterEnterVT(int index, int flags);
-static void VGAarbiterLeaveVT(int index, int flags);
-static void VGAarbiterFreeScreen(int index, int flags);
-
-/* GC funcs */
-static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
- DrawablePtr pDraw);
-static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
-static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
-static void VGAarbiterDestroyGC(GCPtr pGC);
-static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,
- int nrects);
-static void VGAarbiterDestroyClip(GCPtr pGC);
-static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
-
-/* GC ops */
-static void VGAarbiterFillSpans( DrawablePtr pDraw, GC *pGC, int nInit,
- DDXPointPtr pptInit, int *pwidthInit, int fSorted);
-static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
- register DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
-static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth,
- int x, int y, int w, int h, int leftPad, int format, char *pImage);
-static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
- GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty);
-static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
- GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty,
- unsigned long bitPlane);
-static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode,
- int npt, xPoint *pptInit);
-static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode,
- int npt, DDXPointPtr pptInit);
-static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
- xSegment *pSeg);
-static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
- int nRectsInit, xRectangle *pRectsInit);
-static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
- xArc *parcs);
-static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
- int mode, int count, DDXPointPtr ptsIn);
-static void VGAarbiterPolyFillRect( DrawablePtr pDraw, GCPtr pGC,
- int nrectFill, xRectangle *prectInit);
-static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
- xArc *parcs);
-static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
- int count, char *chars);
-static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
- int count, unsigned short *chars);
-static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
- int count, char *chars);
-static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
- int count, unsigned short *chars);
-static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
- int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
-static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
- int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
-static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
- pDraw, int dx, int dy, int xOrg, int yOrg);
-
-/* miSpriteFuncs */
-static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
- pScreen, CursorPtr pCur);
-static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
- pScreen, CursorPtr pCur);
-static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCur, int x, int y);
-static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- int x, int y);
-static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
-static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
-
-
-static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
- PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
- INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
-static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr
- list, GlyphPtr *glyphs);
-static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor
- *color, int nRect, xRectangle *rects);
+/*
+ * Copyright (c) 2009 Tiago Vignatti
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include <X11/X.h>
+#include "colormapst.h"
+#include "scrnintstr.h"
+#include "screenint.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "pixmap.h"
+#include "windowstr.h"
+#include "window.h"
+#include "xf86str.h"
+#include "mipointer.h"
+#include "mipointrst.h"
+#include "picturestr.h"
+
+#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
+
+#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
+
+#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \
+ dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x
+
+#define SCREEN_EPILOG(x,y) pScreen->x = y;
+
+#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
+ ps->x = y;}
+
+#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
+
+#define PICTURE_PROLOGUE(field) ps->field = \
+ ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
+ VGAarbiterScreenKey))->field
+
+#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
+
+#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
+
+#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
+
+#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
+ (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
+ miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
+ ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
+ VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
+
+#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
+ PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs;
+
+#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
+ PointPriv->spriteFuncs = &VGAarbiterSpriteFuncs; \
+ } while (0)
+
+#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
+
+#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
+ pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
+ (x)->funcs = &VGAarbiterGCFuncs;
+
+#define GC_UNWRAP(x) VGAarbiterGCPtr pGCPriv = \
+ (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
+ (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
+
+static inline void
+VGAGet(ScreenPtr pScreen)
+{
+ pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev);
+ pci_device_vgaarb_lock();
+}
+
+static inline void
+VGAPut(void)
+{
+ pci_device_vgaarb_unlock();
+}
+
+typedef struct _VGAarbiterScreen {
+ CreateGCProcPtr CreateGC;
+ CloseScreenProcPtr CloseScreen;
+ ScreenBlockHandlerProcPtr BlockHandler;
+ ScreenWakeupHandlerProcPtr WakeupHandler;
+ GetImageProcPtr GetImage;
+ GetSpansProcPtr GetSpans;
+ SourceValidateProcPtr SourceValidate;
+ CopyWindowProcPtr CopyWindow;
+ ClearToBackgroundProcPtr ClearToBackground;
+ CreatePixmapProcPtr CreatePixmap;
+ SaveScreenProcPtr SaveScreen;
+ /* Colormap */
+ StoreColorsProcPtr StoreColors;
+ /* Cursor */
+ DisplayCursorProcPtr DisplayCursor;
+ RealizeCursorProcPtr RealizeCursor;
+ UnrealizeCursorProcPtr UnrealizeCursor;
+ RecolorCursorProcPtr RecolorCursor;
+ SetCursorPositionProcPtr SetCursorPosition;
+ void (*AdjustFrame) (int, int, int, int);
+ Bool (*SwitchMode) (int, DisplayModePtr, int);
+ Bool (*EnterVT) (int, int);
+ void (*LeaveVT) (int, int);
+ void (*FreeScreen) (int, int);
+ miPointerSpriteFuncPtr miSprite;
+ CompositeProcPtr Composite;
+ GlyphsProcPtr Glyphs;
+ CompositeRectsProcPtr CompositeRects;
+} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
+
+typedef struct _VGAarbiterGC {
+ GCOps *wrapOps;
+ GCFuncs *wrapFuncs;
+} VGAarbiterGCRec, *VGAarbiterGCPtr;
+
+/* Screen funcs */
+static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout,
+ pointer pReadmask);
+static void VGAarbiterWakeupHandler(int i, pointer blockData,
+ unsigned long result, pointer pReadmask);
+static Bool VGAarbiterCloseScreen(int i, ScreenPtr pScreen);
+static void VGAarbiterGetImage(DrawablePtr pDrawable, int sx, int sy, int w,
+ int h, unsigned int format,
+ unsigned long planemask, char *pdstLine);
+static void VGAarbiterGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
+ int *pwidth, int nspans, char *pdstStart);
+static void VGAarbiterSourceValidate(DrawablePtr pDrawable, int x, int y,
+ int width, int height,
+ unsigned int subWindowMode);
+static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc);
+static void VGAarbiterClearToBackground(WindowPtr pWin, int x, int y, int w,
+ int h, Bool generateExposures);
+static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
+ int depth, unsigned int usage_hint);
+static Bool VGAarbiterCreateGC(GCPtr pGC);
+static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
+static void VGAarbiterStoreColors(ColormapPtr pmap, int ndef, xColorItem
+ * pdefs);
+static void VGAarbiterRecolorCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCurs, Bool displayed);
+static Bool VGAarbiterRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor);
+static Bool VGAarbiterUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor);
+static Bool VGAarbiterDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor);
+static Bool VGAarbiterSetCursorPosition(DeviceIntPtr pDev, ScreenPtr
+ pScreen, int x, int y,
+ Bool generateEvent);
+static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);
+static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);
+static Bool VGAarbiterEnterVT(int index, int flags);
+static void VGAarbiterLeaveVT(int index, int flags);
+static void VGAarbiterFreeScreen(int index, int flags);
+
+/* GC funcs */
+static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
+ DrawablePtr pDraw);
+static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
+static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
+static void VGAarbiterDestroyGC(GCPtr pGC);
+static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,
+ int nrects);
+static void VGAarbiterDestroyClip(GCPtr pGC);
+static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
+
+/* GC ops */
+static void VGAarbiterFillSpans(DrawablePtr pDraw, GC * pGC, int nInit,
+ DDXPointPtr pptInit, int *pwidthInit,
+ int fSorted);
+static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
+ register DDXPointPtr ppt, int *pwidth,
+ int nspans, int fSorted);
+static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth, int x,
+ int y, int w, int h, int leftPad, int format,
+ char *pImage);
+static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
+ GC * pGC, int srcx, int srcy, int width,
+ int height, int dstx, int dsty);
+static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
+ GCPtr pGC, int srcx, int srcy, int width,
+ int height, int dstx, int dsty,
+ unsigned long bitPlane);
+static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
+ xPoint * pptInit);
+static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit);
+static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
+ xSegment * pSeg);
+static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
+ int nRectsInit, xRectangle *pRectsInit);
+static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
+ xArc * parcs);
+static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
+ int mode, int count, DDXPointPtr ptsIn);
+static void VGAarbiterPolyFillRect(DrawablePtr pDraw, GCPtr pGC, int nrectFill,
+ xRectangle *prectInit);
+static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
+ xArc * parcs);
+static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+ int count, char *chars);
+static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+ int count, unsigned short *chars);
+static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+ int count, char *chars);
+static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
+ int count, unsigned short *chars);
+static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
+ int yInit, unsigned int nglyph,
+ CharInfoPtr * ppci, pointer pglyphBase);
+static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
+ int yInit, unsigned int nglyph,
+ CharInfoPtr * ppci, pointer pglyphBase);
+static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
+ pDraw, int dx, int dy, int xOrg, int yOrg);
+
+/* miSpriteFuncs */
+static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
+ pScreen, CursorPtr pCur);
+static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
+ pScreen, CursorPtr pCur);
+static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCur, int x, int y);
+static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ int x, int y);
+static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev,
+ ScreenPtr pScreen);
+static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
+
+static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
+ PicturePtr pDst, INT16 xSrc, INT16 ySrc,
+ INT16 xMask, INT16 yMask, INT16 xDst,
+ INT16 yDst, CARD16 width, CARD16 height);
+static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int nlist, GlyphListPtr list, GlyphPtr * glyphs);
+static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst,
+ xRenderColor * color, int nRect,
+ xRectangle *rects);