svn merge file:///D:/svnrepos/vcxsrv/branches/released .

1 files changed, 0 insertions, 749 deletions

diff --git a/xorg-server/hw/xfree86/xf4bpp/vgaBitBlt.c b/xorg-server/hw/xfree86/xf4bpp/vgaBitBlt.c
deleted file mode 100644
index 2e89f43b7..000000000
--- a/xorg-server/hw/xfree86/xf4bpp/vgaBitBlt.c
+++ /dev/null
@@ -1,749 +0,0 @@
-/* GJA -- span move routines */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf4bpp.h"
-#include "OScompiler.h"
-#include "vgaReg.h"
-#include "vgaVideo.h"
-
-#include "xf86str.h" /* for pScrn->vtSema */
-extern ScrnInfoPtr *xf86Screens;
-
-#ifndef	PC98_EGC	/* not PC98_EGC */
-/* NOTE: It seems that there is no way to program the VGA to copy just
- * a part of a byte in the smarter modes. Therefore we copy the boundaries
- * plane by plane.
- */
-#define WORDSZ 8
- /* The fast blit code requires WORDSZ = 8 for its read-modify write cycle.
-  * Therefore, we do not fully implement the other options.
-  */
-#define HIGHPLANEMASK 0x08
-#define HIGHPLANEINDEX 3
-
-/* Of course, we want the following anyway:
- * (Yes, they're identical now.)
- */
-#define SMEM(x,y) ( VIDBASE(pWin) + (y) * BYTES_PER_LINE(pWin) + (x) )
-#define DMEM(x,y) ( VIDBASE(pWin) + (y) * BYTES_PER_LINE(pWin) + (x) )
-
-#define WORD8 unsigned char
-#define LW8 BYTES_PER_LINE(pWin) /* Line width */
-#define WSHIFT8 0x3
-#define WMASK8 0x07
-/* NOTE: lmask[8] matters. It must be different from lmask[0] */
-static unsigned char lmasktab[] = {
-	0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE, 0xFF
-} ;
-static unsigned char rmasktab[] = {
-	0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01, 0x00
-} ;
-
-#define LMASK8(n) lmasktab[n]
-#define RMASK8(n) rmasktab[n]
-#define SWAPB8(x) (x)
-
-#if (WORDSZ == 8)
-
-#define WORD WORD8
-#define LW LW8
-#define WSHIFT WSHIFT8
-#define WMASK WMASK8
-
-#define LMASK(n) LMASK8(n)
-#define RMASK(n) RMASK8(n)
-#define SWAPB(x) SWAPB8(x)
-
-#endif /* WORDSZ == 8 */
-
-#define DO_ALU(dst,src,mask,alu) {\
-	int _ndst, _odst; _odst = dst; \
-	switch ( alu ) { \
-	case GXclear: \
-		_ndst = 0;			break; \
-	case GXand: \
-		_ndst = src & _odst;		break; \
-	case GXandReverse: \
-		_ndst = src & ~ _odst;		break; \
-	case GXcopy: \
-		_ndst = src;			break; \
-	case GXandInverted: \
-		_ndst = ~ src & _odst;		break; \
-	default: \
-	case GXnoop: \
-		_ndst = _odst;			break; \
-	case GXxor: \
-		_ndst = src ^ _odst;		break; \
-	case GXor: \
-		_ndst = src | _odst;		break; \
-	case GXnor: \
-		_ndst = ~ src & ~ _odst;	break; \
-	case GXequiv: \
-		_ndst = ~ src ^ _odst;		break; \
-	case GXinvert: \
-		_ndst = ~ _odst;		break; \
-	case GXorReverse: \
-		_ndst = src | ~ _odst;		break; \
-	case GXcopyInverted: \
-		_ndst = ~ src;			break; \
-	case GXorInverted: \
-		_ndst = ~ src | _odst;		break; \
-	case GXnand: \
-		_ndst = ~ src | ~ _odst;	break; \
-	case GXset: \
-		_ndst = ~0;			break; \
-	} \
-	dst = (_odst & ~(mask)) | (_ndst & (mask)); \
-	}
-
-static void aligned_blit(
-    WindowPtr, int, int, int, int, int, int, int, int
-);
-
-static void aligned_blit_center(
-    WindowPtr, int, int, int, int, int, int
-);
-
-static void shift(
-    WindowPtr, int, int, int, int, int, int, int
-);
-
-static void shift_thin_rect(
-    WindowPtr, int, int, int, int, int, int, int
-);
-
-static void shift_center(
-    WindowPtr, int, int, int, int, int, int, int
-);
-
-void xf4bppBitBlt(pWin,alu,writeplanes,x0,y0,x1,y1,w,h)
-WindowPtr pWin; /* GJA */
-int alu;
-int writeplanes; /* planes */
-int x0, y0, x1, y1, w, h;
-{
-    IOADDRESS REGBASE;
-    int plane, bit;
-
-    if ( !w || !h ) return;
-
-    if ( ! xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->vtSema ) {
-        xf4bppOffBitBlt(pWin,alu,writeplanes,x0,y0,x1,y1,w,h);
-        return;
-    }
-
-    REGBASE =
-	xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->domainIOBase + 0x300;
-
-    /* 0x7, not WMASK: it is hardware dependant */
-    if ( ((x0 - x1) & 0x7) || (alu != GXcopy) ) {
-	/* Use slow copy */
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX ;
-		plane ; plane >>= 1, bit-- )
-	{
-
-		if ( writeplanes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-			shift(pWin,x0,x1,y0,y1,w,h,alu);
-		}
-	}
-    } else {
-        aligned_blit(pWin,x0,x1,y0,y1,w,h,alu,writeplanes);
-    }
-}
-
-/* Copy a span a number of places to the right.
- */
-static void
-shift(pWin,x0,x1,y0,y1,w,h,alu)
-WindowPtr pWin; /* GJA */
-int x0;  /* left edge of source */
-int x1;  /* left edge of target */
-int y0;
-int y1;
-int w; /* length of source, and of target */
-int h;
-int alu;
-{
-  if ( ((x1 & WMASK) + w) <= WORDSZ ) {
-     shift_thin_rect(pWin,x0,x1,y0,y1,w,h,alu);
-  } else if ( x1 > x0 ) { /* Shift right: start right */
-     int l1 = x1 & WMASK, r1 = (x1 + w) & WMASK;
-
-     if ( r1 ) /* right edge */
-        shift_thin_rect(pWin,x0+w-r1,x1+w-r1,y0,y1,r1,h,alu);
-     shift_center(pWin,x0,x1,y0,y1,w,h,alu);
-     if ( l1 ) /* left edge */
-        shift_thin_rect(pWin,x0,x1,y0,y1,(WORDSZ-l1),h,alu);
-  } else {
-     int l1 = x1 & WMASK, r1 = (x1 + w) & WMASK;
-
-     if ( l1 ) /* left edge */
-        shift_thin_rect(pWin,x0,x1,y0,y1,(WORDSZ-l1),h,alu);
-     shift_center(pWin,x0,x1,y0,y1,w,h,alu);
-     if ( r1 ) /* right edge */
-        shift_thin_rect(pWin,x0+w-r1,x1+w-r1,y0,y1,r1,h,alu);
-  }
-}
-
-/* The whole rectangle is so thin that it fits in one byte written */
-static void
-shift_thin_rect(pWin,x0,x1,y0,y1,w,h,alu)
-WindowPtr pWin; /* GJA */
-int x0;  /* left edge of source */
-int x1;  /* left edge of target */
-int y0;
-int y1;
-int w; /* length of source, and of target */
-int h;
-int alu;
-{
-  int l0 = x0 & WMASK; /* Left edge of source, as bit */
-  int l1 = x1 & WMASK; /* Left edge of target, as bit */
-  int L0 = x0 >> WSHIFT; /* Left edge of source, as byte */
-  int L1 = x1 >> WSHIFT; /* Left edge of target, as byte */
-  int pad;
-  int htmp;
-  int mask;
-  int tmp;
-  int bs;
-  
-  volatile unsigned char *sp, *dp;
-
-  mask = RMASK(l1) & LMASK(l1+w);
-  bs = (x1 - x0) & WMASK;
-
-  if ( y1 > y0 ) { /* Move down, start at the bottom */
-    pad = - BYTES_PER_LINE(pWin);
-    sp = SMEM(L0,y0+h-1);
-    dp = DMEM(L1,y1+h-1);
-  } else { /* Move up, start at the top */
-    pad = BYTES_PER_LINE(pWin);
-    sp = SMEM(L0,y0);
-    dp = DMEM(L1,y1);
-  }
-
-  if ( l0+w > WORDSZ ) {
-    /* Need two bytes */
-    for ( htmp = h ; htmp ; htmp-- ) {
-      tmp = (sp[0] << (WORDSZ - bs));
-      sp++;
-      tmp |= (sp[0] >> bs);
-      sp--;
-      DO_ALU(dp[0],tmp,mask,alu);
-      dp += pad;
-      sp += pad;
-    }
-  } else if ( l0 <= l1 ) {
-    /* Need one byte, shifted right */
-    for ( htmp = h ; htmp ; htmp-- ) {
-      tmp = (sp[0] >> bs);
-      DO_ALU(dp[0],tmp,mask,alu);
-      dp += pad;
-      sp += pad;
-    }
-  } else {
-    /* Need one byte, shifted left */
-    for ( htmp = h ; htmp ; htmp-- ) {
-      tmp = (sp[0] << (WORDSZ - bs));
-      DO_ALU(dp[0],tmp,mask,alu);
-      dp += pad;
-      sp += pad;
-    }
-  }
-}
-
-static void
-shift_center(pWin,x0,x1,y0,y1,w,h,alu)
-WindowPtr pWin; /* GJA */
-int x0;  /* left edge of source */
-int x1;  /* left edge of target */
-int y0;
-int y1;
-int w; /* length of source, and of target */
-int h;
-int alu;
-{
-  int l1 = x1 & WMASK; /* Left edge of target, as bit */
-  int r1 = (x1 + w) & WMASK; /* Right edge of target, as bit */
-  int pad;
-  int htmp, wtmp; /* Temporaries for indices over height and width */
-  volatile unsigned char tmp; /* Temporary result of the shifts */
-  int bs;
-  int rem; /* Remaining bits; temporary in loop */
-  int bytecnt;
-  
-  volatile unsigned char *sp, *dp;
-
-  bs = (x1 - x0) & WMASK;
-
-  if ( l1 ) {
-     bytecnt = (w - (WORDSZ - l1) - r1) >> WSHIFT;
-     sp = SMEM( ((x0 + (WORDSZ - l1)) >> WSHIFT), y0);
-     dp = DMEM( ((x1 + (WORDSZ - l1)) >> WSHIFT), y1);
-  } else {
-     bytecnt = (w - r1) >> WSHIFT;
-     sp = SMEM( (x0 >> WSHIFT), y0);
-     dp = DMEM( (x1 >> WSHIFT), y1);
-  }
-
-  if ( y1 > y0 ) { /* Move down, start at the bottom */
-    if ( x1 > x0 ) { /* Move right, start right */
-       pad = - BYTES_PER_LINE(pWin) + bytecnt;
-       sp += BYTES_PER_LINE(pWin) * (h - 1) + bytecnt - 1;
-       dp += BYTES_PER_LINE(pWin) * (h - 1) + bytecnt - 1;
-    } else { /* Move left, start left */
-       pad = - BYTES_PER_LINE(pWin) - bytecnt;
-       sp += BYTES_PER_LINE(pWin) * (h - 1);
-       dp += BYTES_PER_LINE(pWin) * (h - 1);
-    }
-  } else { /* Move up, start at the top */
-    if ( x1 > x0 ) { /* Move right, start right */
-       pad = BYTES_PER_LINE(pWin) + bytecnt;
-       sp += bytecnt - 1;
-       dp += bytecnt - 1;
-    } else { /* Move left, start left */
-       pad = BYTES_PER_LINE(pWin) - bytecnt;
-       sp += 0;
-       dp += 0;
-    }
-  }
-
-  if ( x1 > x0 ) { /* Move right, start right */
-    if ( bs == 0 ) { /* No shift. Need one byte only */
-      for ( htmp = h ; htmp ; htmp-- ) {
-        for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-          tmp = sp[0];
-          DO_ALU(dp[0],tmp,~0,alu); 
-	  dp--;
-          sp--;
-        }
-        dp += pad;
-        sp += pad;
-      } 
-    } else {
-      for ( htmp = h ; htmp ; htmp-- ) {
-	if ( bytecnt ) {
-	   sp++;
-   	   rem = sp[0];
-	   sp--;
-           for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-             tmp = (rem >> bs);
-             rem = sp[0];
-             tmp |= (rem << (WORDSZ - bs)) ;
-             DO_ALU(dp[0],tmp,~0,alu); 
-	     dp--;
-             sp--;
-           }
-        }
-        dp += pad;
-        sp += pad;
-      } 
-    }
-  } else { /* x1 <= x0 */ /* Move left, start left */
-    if ( bs == 0 ) { /* No shift. Need one byte only */
-      for ( htmp = h ; htmp ; htmp-- ) {
-        for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-          tmp = sp[0];
-          DO_ALU(dp[0],tmp,~0,alu); 
-	  dp++;
-          sp++;
-        }
-        dp += pad;
-        sp += pad;
-      } 
-    } else {
-      for ( htmp = h ; htmp ; htmp-- ) {
-        if ( bytecnt ) {
-          rem = sp[0];
-          for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-            tmp = (rem << (WORDSZ - bs));
-	    sp++;
-	    rem = sp[0];
-	    sp--;
-            tmp |= (rem >> bs);
-            DO_ALU(dp[0],tmp,~0,alu); 
-	    dp++;
-            sp++;
-          }
-        }
-        dp += pad;
-        sp += pad;
-      } 
-    }
-  }
-}
-
-/* Copy a rectangle.
- */
-static void
-aligned_blit(pWin,x0,x1,y0,y1,w,h,alu,planes)
-WindowPtr pWin; /* GJA */
-int x0;  /* left edge of source */
-int x1;  /* left edge of target */
-int y0;
-int y1;
-int w; /* length of source, and of target */
-int h;
-int alu;
-int planes;
-{
-  IOADDRESS REGBASE =
-	xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->domainIOBase + 0x300;
-  int plane, bit;
-
-  if ( ((x1 & WMASK) + w) <= WORDSZ ) {
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX;
-		plane ; plane >>= 1, bit-- )
-	{
-		if ( planes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-     			shift_thin_rect(pWin,x0,x1,y0,y1,w,h,alu);
-		}
-	}
-  } else if ( x1 > x0 ) { /* Shift right: start right */
-     int l1 = x1 & WMASK, r1 = (x1 + w) & WMASK;
-
-     if ( r1 ) { /* right edge */
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX;
-		plane ; plane >>= 1, bit-- )
-	{
-		if ( planes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-		        shift_thin_rect(pWin,x0+w-r1,x1+w-r1,y0,y1,r1,h,alu);
-		}
-	}
-     }
-
-     /* Center */
-     SetVideoGraphics(Graphics_ModeIndex, 1); /* Write mode 1 */
-     SetVideoSequencer(Mask_MapIndex, planes);
-
-     aligned_blit_center(pWin,x0,x1,y0,y1,w,h);
-
-     if ( l1 ) { /* left edge */
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX;
-		plane ; plane >>= 1, bit-- )
-	{
-		if ( planes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-        		shift_thin_rect(pWin,x0,x1,y0,y1,(WORDSZ-l1),h,alu);
-		}
-	}
-     }
-  } else {
-     int l1 = x1 & WMASK, r1 = (x1 + w) & WMASK;
-
-     if ( l1 ) { /* left edge */
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX;
-		plane ; plane >>= 1, bit-- )
-	{
-		if ( planes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-        		shift_thin_rect(pWin,x0,x1,y0,y1,(WORDSZ-l1),h,alu);
-		}
-	}
-     }
-
-     /* Center */
-     SetVideoGraphics(Graphics_ModeIndex, 1); /* Write mode 1 */
-     SetVideoSequencer(Mask_MapIndex, planes);
-
-     aligned_blit_center(pWin,x0,x1,y0,y1,w,h);
-
-     if ( r1 ) { /* right edge */
-	SetVideoGraphics(Enb_Set_ResetIndex, 0); /* All from CPU */
-	SetVideoGraphics(Bit_MaskIndex, 0xFF); /* All bits */
-	SetVideoGraphics(Graphics_ModeIndex, 0); /* Write mode 0 */
-	SetVideoGraphics(Data_RotateIndex, 0); /* Don't rotate, replace */
-
-	for ( plane = HIGHPLANEMASK, bit = HIGHPLANEINDEX ;
-		plane ; plane >>= 1, bit-- )
-	{
-		if ( planes & plane) {
-			SetVideoGraphics(Read_Map_SelectIndex, bit);
-			SetVideoSequencer(Mask_MapIndex, plane);
-
-        		shift_thin_rect(pWin,x0+w-r1,x1+w-r1,y0,y1,r1,h,alu);
-		}
-	}
-     }
-  }
-}
-
-static void
-aligned_blit_center(pWin,x0,x1,y0,y1,w,h)
-WindowPtr pWin; /* GJA */
-int x0;  /* left edge of source */
-int x1;  /* left edge of target */
-int y0;
-int y1;
-int w; /* length of source, and of target */
-int h;
-{
-  int l1 = x1 & WMASK; /* Left edge of target, as bit */
-  int r1 = (x1 + w) & WMASK; /* Right edge of target, as bit */
-  int pad;
-  int htmp, wtmp; /* Temporaries for indices over height and width */
-  volatile unsigned char tmp; /* Temporary result of the shifts */
-  int bytecnt;
-  
-  volatile unsigned char *sp, *dp;
-
-  if ( l1 ) {
-     bytecnt = (w - (WORDSZ - l1) - r1) >> WSHIFT;
-     sp = SMEM( ((x0 + (WORDSZ - l1)) >> WSHIFT), y0);
-     dp = DMEM( ((x1 + (WORDSZ - l1)) >> WSHIFT), y1);
-  } else {
-     bytecnt = (w - r1) >> WSHIFT;
-     sp = SMEM( (x0 >> WSHIFT), y0);
-     dp = DMEM( (x1 >> WSHIFT), y1);
-  }
-
-  if ( y1 > y0 ) { /* Move down, start at the bottom */
-    if ( x1 > x0 ) { /* Move right, start right */
-       pad = - BYTES_PER_LINE(pWin) + bytecnt;
-       sp += BYTES_PER_LINE(pWin) * (h - 1) + bytecnt - 1;
-       dp += BYTES_PER_LINE(pWin) * (h - 1) + bytecnt - 1;
-    } else { /* Move left, start left */
-       pad = - BYTES_PER_LINE(pWin) - bytecnt;
-       sp += BYTES_PER_LINE(pWin) * (h - 1);
-       dp += BYTES_PER_LINE(pWin) * (h - 1);
-    }
-  } else { /* Move up, start at the top */
-    if ( x1 > x0 ) { /* Move right, start right */
-       pad = BYTES_PER_LINE(pWin) + bytecnt;
-       sp += bytecnt - 1;
-       dp += bytecnt - 1;
-    } else { /* Move left, start left */
-       pad = BYTES_PER_LINE(pWin) - bytecnt;
-       sp += 0;
-       dp += 0;
-    }
-  }
-
-  if ( x1 > x0 ) { /* Move right, start right */
-      for ( htmp = h ; htmp ; htmp-- ) {
-        for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-          tmp = sp[0];
-	  dp[0] = tmp;
-	  dp--;
-          sp--;
-        }
-        dp += pad;
-        sp += pad;
-      } 
-  } else { /* x1 <= x0 */ /* Move left, start left */
-      for ( htmp = h ; htmp ; htmp-- ) {
-        for ( wtmp = bytecnt ; wtmp ; wtmp-- ) {
-          tmp = sp[0];
-          dp[0] = tmp;
-	  dp++;
-          sp++;
-        }
-        dp += pad;
-        sp += pad;
-      } 
-  }
-}
-#else	/* PC98_EGC */
-
-static void
-egc_fast_blt (pWin, alu, writeplanes, x0, y0, x1, y1, w, h)
-WindowPtr pWin;	
-const	int alu, writeplanes ;
-register int x0, x1 ;
-int	     y0, y1 ;
-register int w, h ;
-{
-register volatile unsigned char *src ;
-register volatile unsigned char *dst ;
-unsigned short *src_x ;
-unsigned short *dst_x ;
-int x_direction, y_interval ;
-int	src_off, dst_off ;
-register int k, i ;
-unsigned short ROP_value;
-
-src = (unsigned char *)SCREENADDRESS( pWin, 0, y0);
-dst = (unsigned char *)SCREENADDRESS( pWin, 0, y1);
-
-/* Set Map Mask */
-outw(EGC_PLANE, ~(writeplanes & VGA_ALLPLANES));
-switch(alu) {
-case GXnor:		/* ~(S|D) */
-    ROP_value = 0x2903;
-    break;
-case GXandInverted:	/* ~S&D */
-    ROP_value = 0x290c;
-    break;
-case GXand:		/* S&D */
-    ROP_value = 0x29c0;
-    break;
-case GXequiv:		/* ~S ^ D */
-    ROP_value = 0x29c3;
-    break;
-case GXxor:		/* S^D */
-    ROP_value = 0x293c;
-    break;
-case GXandReverse:	/* S&~D */
-    ROP_value = 0x2930;
-    break;
-case GXorReverse:	/* S|~D */
-    ROP_value = 0x29f3;
-    break;
-case GXnand:		/* ~(S&D) */
-    ROP_value = 0x293f;
-    break;
-case GXorInverted:	/* ~S|D */
-    ROP_value = 0x29cf;
-    break;
-case GXor:		/* S|D */
-    ROP_value = 0x29fa;
-    break;
-case GXcopyInverted:	/* ~S */
-    ROP_value = 0x290f;
-    break;
-case GXcopy:		/* S */
-default:
-    ROP_value = 0x29f0;
-}
-outw(EGC_MODE, ROP_value);
-if ( y1 > y0 ) {
-	y_interval = - BYTES_PER_LINE(pWin) * 8 ;
-	src += BYTES_PER_LINE(pWin) * ( h - 1 ) ;
-	dst += BYTES_PER_LINE(pWin) * ( h - 1 ) ;
-}
-else {
-	y_interval = BYTES_PER_LINE(pWin) * 8 ;
-}
-
-src = (unsigned char *)((int)src << 3) ;
-dst = (unsigned char *)((int)dst << 3) ;
-
-if ( y1 > y0) {
-	x_direction = 0x1000 ;
-	src += x0 + w - 1 ;
-	dst += x1 + w - 1 ;
-} else if ( y1 < y0 ) {
-	x_direction = 0 ;
-	src += x0 ;
-	dst += x1 ;
-} else {
-	if ( x1 < x0 ) {
-		x_direction = 0 ;
-		src += x0 ;
-		dst += x1 ;
-	} else {
-		x_direction = 0x1000 ;
-		src += x0 + w - 1 ;
-		dst += x1 + w - 1 ;
-	}
-}
-	outw ( EGC_LENGTH , w - 1 ) ;
-
-for ( ; h-- ; ) {
-	if ( x_direction ) {
-		src_off = 15 - (int)src & 0xf ;
-		dst_off = 15 - (int)dst & 0xf ;
-	} else {
-		src_off = (int)src & 0xf ;
-		dst_off = (int)dst & 0xf ;
-	}
-#if defined(__NetBSD__) || defined(__OpenBSD__)
-	src_x   = (unsigned short *)(((unsigned int)src >> 4 ) << 1) ;
-	dst_x   = (unsigned short *)(((unsigned int)dst >> 4 ) << 1) ;
-#else
-	src_x   = (unsigned short *)(((int)src >> 4 ) << 1) ;
-	dst_x   = (unsigned short *)(((int)dst >> 4 ) << 1) ;
-#endif
-	k = ( src_off + w + 15 ) >> 4 ;
-	if ( src_off < dst_off ) {
-		if ( ((src_off + w - 1 ) >> 4) < ((dst_off + w - 1) >> 4)) k++ ;
-	}
-	if ( src_off > dst_off ) {
-		if ( ((src_off + w - 1) >> 4 ) == ((dst_off + w - 1) >> 4) ) k++ ;
-		if ( x_direction ) dst_x ++ ;
-			else	   dst_x -- ;
-	}
-	outw ( EGC_ADD , x_direction | src_off | dst_off << 4 );
-	if ( x_direction ) {
-		wcopyl ( src_x, dst_x, k, VIDBASE(pWin) ) ;
-	} else {
-		wcopyr ( src_x, dst_x, k, VIDBASE(pWin) ) ;
-	}
-src += y_interval ;
-dst += y_interval ;
-}
-outw ( EGC_ADD, 0 ) ;
-outw ( EGC_LENGTH , 0xf );
-return;
-}
-
-void
-xf4bppBitBlt( pWin,alu, writeplanes, x0, y0, x1, y1, w, h )
-WindowPtr pWin; /* GJA */
-int alu;
-int writeplanes; /* planes */
-int x0, y0, x1, y1, w, h;
-{
-	if ( ! xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->vtSema ) {
-		xf4bppOffBitBlt( pWin, alu, writeplanes,
-			   x0, y0, x1, y1, w, h );
-		return;
-	}
-
-switch ( alu ) {
-	case GXclear:		/* 0x0 Zero 0 */
-	case GXinvert:		/* 0xa NOT dst */
-	case GXset:		/* 0xf 1 */
-		xf4bppFillSolid( pWin, VGA_ALLPLANES, alu, writeplanes, x1, y1, w, h ) ;
-			/* x1, y1, GJA */
-	case GXnoop:		/* 0x5 dst */
-		return ;
-	default:
-		break ;
-}
-
-egc_fast_blt ( pWin, alu, writeplanes, x0, y0, x1, y1, w, h);
-return;
-}
-#endif