[PATCH sis 10/15] Remove unused code from sis_video.c

Timo Aaltonen tjaalton at ubuntu.com
Wed Apr 6 09:50:12 PDT 2011


Signed-off-by: Timo Aaltonen <timo.aaltonen at canonical.com>
---
 src/sis310_accel.c |  536 ----------------------------------------------------
 src/sis_accel.c    |  128 -------------
 2 files changed, 0 insertions(+), 664 deletions(-)

diff --git a/src/sis310_accel.c b/src/sis310_accel.c
index 26c4c00..6f93e78 100644
--- a/src/sis310_accel.c
+++ b/src/sis310_accel.c
@@ -56,21 +56,6 @@
 
 #ifdef SIS_USE_XAA
 
-#undef CTSCE		/* Use/Don't use CPUToScreenColorExpand. Disabled
-			 * because it is slower than doing it by the CPU.
-			 * Indirect mode does not work in VRAM queue mode.
-			 * Does not work on 330 series (even in MMIO mode).
-			 */
-#undef CTSCE_DIRECT	/* Use direct method - This works (on both 315 and 330 at
-			 * least in VRAM queue mode) but we don't use this either,
-			 * because it's slower than doing it by the CPU. (Using it
-			 * would require defining CTSCE)
-			 */
-
-#undef STSCE		/* Use/Don't use ScreenToScreenColorExpand - does not work,
-			 * see comments below.
-			 */
-
 #define INCL_RENDER	/* Use/Don't use RENDER extension acceleration */
 
 #ifdef INCL_RENDER
@@ -196,14 +181,6 @@ SiSSync(ScrnInfoPtr pScrn)
 
 #ifdef SIS_USE_XAA
 	if(!pSiS->useEXA) {
-#ifdef CTSCE
-#ifdef CTSCE_DIRECT
-	   if(pSiS->DoColorExpand) {
-	      SiSDoCMD
-	      pSiS->ColorExpandBusy = TRUE;
-	   }
-#endif
-#endif
 	   pSiS->DoColorExpand = FALSE;
 	}
 #endif
@@ -711,420 +688,6 @@ SiSSubsequentColor8x8PatternFillRect(ScrnInfoPtr pScrn, int patternx,
 }
 #endif
 
-/* ---- CPUToScreen Color Expand --- */
-
-#ifdef CTSCE
-
-#ifdef CTSCE_DIRECT
-
-/* Direct method */
-
-/* This is somewhat a fake. We let XAA copy its data not to an
- * aperture, but to video RAM, and then do a ScreenToScreen
- * color expansion.
- * Since the data is sent AFTER the call to Subsequent, we
- * don't execute the command here, but set a flag and do
- * that in the (subsequent) call to Sync()
- */
-
-static void
-SiSSetupForCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
-			int fg, int bg, int rop, unsigned int planemask)
-{
-	SISPtr pSiS=SISPTR(pScrn);
-
-#ifdef SISVRAMQ
-	SiSSetupDSTColorDepth(pSiS->SiS310_AccelDepth);
-	SiSSetupROP(SiSGetCopyROP(rop));
-	SiSSetupSRCFGDSTRect(fg, pSiS->scrnOffset, DEV_HEIGHT)
-	if(bg == -1) {
-	   SiSSetupCMDFlag(TRANSPARENT | ENCOLOREXP | SRCVIDEO);
-	} else {
-	   SiSSetupSRCBG(bg);
-	   SiSSetupCMDFlag(ENCOLOREXP | SRCVIDEO);
-	}
-	SiSSyncWP
-#else
-	SiSSetupSRCXY(0,0);
-	SiSSetupROP(SiSGetCopyROP(rop));
-	SiSSetupSRCFG(fg);
-	SiSSetupDSTRect(pSiS->scrnOffset, DEV_HEIGHT);
-	SiSSetupDSTColorDepth(pSiS->DstColor);
-	if(bg == -1) {
-	   SiSSetupCMDFlag(TRANSPARENT | ENCOLOREXP | SRCVIDEO
-				       | pSiS->SiS310_AccelDepth);
-	} else {
-	   SiSSetupSRCBG(bg);
-	   SiSSetupCMDFlag(ENCOLOREXP | SRCVIDEO | pSiS->SiS310_AccelDepth);
-	}
-#endif
-}
-
-static void
-SiSSubsequentCPUToScreenColorExpandFill(
-			ScrnInfoPtr pScrn, int x, int y, int w,
-			int h, int skipleft)
-{
-	SISPtr pSiS = SISPTR(pScrn);
-	int _x0, _y0, _x1, _y1;
-	CARD32 srcbase, dstbase;
-
-	srcbase = pSiS->ColorExpandBase;
-
-	dstbase = 0;
-	if(y >= 2048) {
-	   dstbase = pSiS->scrnOffset*y;
-	   y = 0;
-	}
-
-	srcbase += FBOFFSET;
-	dstbase += FBOFFSET;
-
-#ifdef SISVRAMQ
-	SiSSetupSRCDSTBase(srcbase,dstbase);
-#else
-	SiSSetupSRCBase(srcbase);
-	SiSSetupDSTBase(dstbase)
-#endif
-
-	if(skipleft > 0) {
-	   _x0 = x + skipleft;
-	   _y0 = y;
-	   _x1 = x + w;
-	   _y1 = y + h;
-#ifdef SISVRAMQ
-	   SiSSetupClip(_x0, _y0, _x1, _y1);
-#else
-	   SiSSetupClipLT(_x0, _y0);
-	   SiSSetupClipRB(_x1, _y1);
-#endif
-	   SiSSetupCMDFlag(CLIPENABLE);
-	} else {
-	   pSiS->CommandReg &= (~CLIPENABLE);
-	}
-
-#ifdef SISVRAMQ
-	SiSSetupRectSRCPitch(w, h, ((((w + 7) >> 3) + 3) >> 2) << 2);
-	SiSSetupSRCDSTXY(0, 0, x, y);
-#else
-	SiSSetupRect(w, h);
-	SiSSetupSRCPitch(((((w+7)/8)+3) >> 2) * 4);
-	SiSSetupDSTXY(x, y);
-#endif
-
-	if(pSiS->ColorExpandBusy) {
-	   pSiS->ColorExpandBusy = FALSE;
-	   SiSIdle
-	}
-
-	pSiS->DoColorExpand = TRUE;
-}
-
-#else
-
-/* Indirect method */
-
-/* This is SLOW, slower than the CPU on most chipsets */
-/* Does not work in VRAM queue mode. */
-
-static void
-SiSSetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
-			int fg, int bg, int rop, unsigned int planemask)
-{
-	SISPtr pSiS=SISPTR(pScrn);
-
-#ifdef SISVRAMQ
-        SiSSetupDSTColorDepth(pSiS->SiS310_AccelDepth);
-#endif
-
-	/* !!! DOES NOT WORK IN VRAM QUEUE MODE !!! */
-
-	/* (hence this is not optimized for VRAM mode) */
-#ifndef SISVRAMQ
-	SiSIdle
-#endif
-	SiSSetupSRCXY(0,0);
-
-	SiSSetupROP(SiSGetCopyROP(rop));
-	SiSSetupSRCFG(fg);
-	SiSSetupDSTRect(pSiS->scrnOffset, DEV_HEIGHT);
-#ifndef SISVRAMQ
-	SiSSetupDSTColorDepth(pSiS->DstColor);
-#endif
-	if(bg == -1) {
-#ifdef SISVRAMQ
-	   SiSSetupCMDFlag(TRANSPARENT | ENCOLOREXP | SRCVIDEO);
-#else
-	   SiSSetupCMDFlag(TRANSPARENT | ENCOLOREXP | SRCCPUBLITBUF
-				       | pSiS->SiS310_AccelDepth);
-#endif
-	} else {
-	   SiSSetupSRCBG(bg);
-#ifdef SISVRAMQ
-	   SiSSetupCMDFlag(ENCOLOREXP | SRCCPUBLITBUF);
-#else
-	   SiSSetupCMDFlag(ENCOLOREXP | SRCCPUBLITBUF | pSiS->SiS310_AccelDepth);
-#endif
-	};
-
-}
-
-static void
-SiSSubsequentScanlineCPUToScreenColorExpandFill(
-			ScrnInfoPtr pScrn, int x, int y, int w,
-			int h, int skipleft)
-{
-	SISPtr pSiS = SISPTR(pScrn);
-	int _x0, _y0, _x1, _y1;
-	CARD32 dstbase = 0;
-
-	if(y >= 2048) {
-	   dstbase = pSiS->scrnOffset*y;
-	   y = 0;
-	}
-
-	dstbase += FBOFFSET;
-
-#ifndef SISVRAMQ
-        if((SIS_MMIO_IN16(pSiS->IOBase, Q_STATUS+2) & 0x8000) != 0x8000) {
-	   SiSIdle;
-        }
-#endif
-
-	SiSSetupDSTBase(dstbase)
-
-	if(skipleft > 0) {
-	   _x0 = x+skipleft;
-	   _y0 = y;
-	   _x1 = x+w;
-	   _y1 = y+h;
-#ifdef SISVRAMQ
-           SiSSetupClip(_x0, _y0, _x1, _y1);
-#else
-	   SiSSetupClipLT(_x0, _y0);
-	   SiSSetupClipRB(_x1, _y1);
-#endif
-	   SiSSetupCMDFlag(CLIPENABLE);
-	} else {
-	   pSiS->CommandReg &= (~CLIPENABLE);
-	}
-	SiSSetupRect(w, 1);
-	SiSSetupSRCPitch(((((w+7)/8)+3) >> 2) * 4);
-	pSiS->ycurrent = y;
-	pSiS->xcurrent = x;
-
-}
-
-static void
-SiSSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
-{
-	SISPtr pSiS = SISPTR(pScrn);
-	CARD32 cbo;
-
-	cbo = pSiS->ColorExpandBufferScreenOffset[bufno];
-	cbo += FBOFFSET;
-
-#ifndef SISVRAMQ
-	if((SIS_MMIO_IN16(pSiS->IOBase, Q_STATUS+2) & 0x8000) != 0x8000) {
-	   SiSIdle;
-        }
-#endif
-
-	SiSSetupSRCBase(cbo);
-
-	SiSSetupDSTXY(pSiS->xcurrent, pSiS->ycurrent);
-
-	SiSDoCMD
-
-	pSiS->ycurrent++;
-#ifndef SISVRAMQ
-	SiSIdle
-#endif
-}
-#endif
-#endif
-
-/* --- Screen To Screen Color Expand --- */
-
-/* This method blits in a single task; this does not work because
- * the hardware does not use the source pitch as scanline offset
- * but to calculate pattern address from source X and Y and to
- * limit the drawing width (similar to width set by SetupRect).
- * XAA provides the pattern bitmap with scrnOffset (displayWidth * bpp/8)
- * offset, but this is not supported by the hardware.
- * DOES NOT WORK ON 330 SERIES, HANGS ENGINE.
- */
-
-#ifdef STSCE
-static void
-SiSSetupForScreenToScreenColorExpand(ScrnInfoPtr pScrn,
-			int fg, int bg,
-			int rop, unsigned int planemask)
-{
-	SISPtr          pSiS = SISPTR(pScrn);
-
-#ifdef SISVRAMQ
-        SiSSetupDSTColorDepth(pSiS->SiS310_AccelDepth);
-#else
-	SiSSetupDSTColorDepth(pSiS->DstColor)
-#endif
-	SiSSetupDSTRect(pSiS->scrnOffset, DEV_HEIGHT)
-	SiSSetupROP(SiSGetCopyROP(rop))
-	SiSSetupSRCFG(fg)
-	/* SiSSetupSRCXY(0,0) */
-
-	if(bg == -1) {
-	   SiSSetupCMDFlag(TRANSPARENT | ENCOLOREXP | SRCVIDEO);
-	} else {
-	   SiSSetupSRCBG(bg);
-	   SiSSetupCMDFlag(ENCOLOREXP | SRCVIDEO);
-	};
-
-#ifdef SISVRAMQ
-        SiSSyncWP
-#endif
-}
-
-/* For testing, these are the methods: (use only one at a time!) */
-
-#undef npitch 		/* Normal: Use srcx/y as srcx/y, use scrnOffset as source pitch
-			 * Does not work on 315 series, because the hardware does not
-			 * regard the src x and y. Apart from this problem:
-			 * This would work if the hareware used the source pitch for
-			 * incrementing the source address after each scanline - but
-			 * it doesn't do this! The first line of the area is correctly
-			 * color expanded, but since the source pitch is ignored and
-			 * the source address not incremented correctly, the following
-			 * lines are color expanded with any bit pattern that is left
-			 * in the unused space of the source bitmap (which is organized
-			 * with the depth of the screen framebuffer hence with a pitch
-			 * of scrnOffset).
-			 */
-
-#undef pitchdw    	/* Use source pitch "displayWidth / 8" instead
-			 * of scrnOffset (=displayWidth * bpp / 8)
-			 * This can't work, because the pitch of the source
-			 * bitmap is scrnoffset!
-			 */
-
-#define nopitch 	/* Calculate srcbase with srcx and srcy, set the
-			 * pitch to scrnOffset (which IS the correct pitch
-			 * for the source bitmap) and set srcx and srcy both
-			 * to 0.
-			 * This would work if the hareware used the source pitch for
-			 * incrementing the source address after each scanline - but
-			 * it doesn't do this! Again: The first line of the area is
-			 * correctly color expanded, but since the source pitch is
-			 * ignored for scanline address incremention, the following
-			 * lines are not correctly color expanded.
-			 * This is the only way it works (apart from the problem
-			 * described above). The hardware does not regard the src
-			 * x and y values in any way.
-			 */
-
-static void
-SiSSubsequentScreenToScreenColorExpand(ScrnInfoPtr pScrn,
-			int x, int y, int w, int h,
-			int srcx, int srcy, int skipleft)
-{
-	SISPtr pSiS = SISPTR(pScrn);
-        CARD32 srcbase, dstbase;
-#if 0
-	int _x0, _y0, _x1, _y1;
-#endif
-#ifdef pitchdw
-	int newsrcx, newsrcy;
-
-	/* srcx and srcy are provided based on a scrnOffset pitch ( = displayWidth * bpp / 8 )
-	 * We recalulate srcx and srcy based on pitch = displayWidth / 8
-	 */
-        newsrcy = ((pSiS->scrnOffset * srcy) + (srcx * ((pScrn->bitsPerPixel+7)/8))) /
-					  (pScrn->displayWidth/8);
-        newsrcx = ((pSiS->scrnOffset * srcy) + (srcx * ((pScrn->bitsPerPixel+7)/8))) %
-					  (pScrn->displayWidth/8);
-#endif
-	xf86DrvMsg(0, X_INFO, "Sub ScreenToScreen ColorExp(%d,%d, %d,%d, %d,%d, %d)\n",
-					x, y, w, h, srcx, srcy, skipleft);
-
-	srcbase = dstbase = 0;
-
-#ifdef pitchdw
-	if(newsrcy >= 2048) {
-	   srcbase = (pScrn->displayWidth / 8) * newsrcy;
-	   newsrcy = 0;
-	}
-#endif
-#ifdef nopitch
-	srcbase = (pSiS->scrnOffset * srcy) + (srcx * ((pScrn->bitsPerPixel+7)/8));
-#endif
-#ifdef npitch
-	if(srcy >= 2048) {
-	   srcbase = pSiS->scrnOffset * srcy;
-	   srcy = 0;
-	}
-#endif
-	if(y >= 2048) {
-	   dstbase = pSiS->scrnOffset * y;
-	   y = 0;
-	}
-
-	srcbase += FBOFFSET;
-	dstbase += FBOFFSET;
-
-	SiSSetupSRCBase(srcbase)
-	SiSSetupDSTBase(dstbase)
-
-	/* 315 series seem to treat the src pitch as
-	 * a "drawing limit", but still (as 300 series)
-	 * does not use it for incrementing the
-	 * address pointer for the next scanline. ARGH!
-	 */
-
-#ifdef pitchdw
-	SiSSetupSRCPitch(pScrn->displayWidth/8)
-#endif
-#ifdef nopitch
-	SiSSetupSRCPitch(pScrn->displayWidth/8)
-	/* SiSSetupSRCPitch(1024/8) */ /* For test */
-#endif
-#ifdef npitch
-	SiSSetupSRCPitch(pScrn->displayWidth/8)
-	/* SiSSetupSRCPitch(pSiS->scrnOffset) */
-#endif
-
-	SiSSetupRect(w,h)
-
-#if 0   /* How do I implement the offset? Not this way, that's for sure.. */
-	if (skipleft > 0) {
-		_x0 = x+skipleft;
-		_y0 = y;
-		_x1 = x+w;
-		_y1 = y+h;
-		SiSSetupClipLT(_x0, _y0);
-		SiSSetupClipRB(_x1, _y1);
-		SiSSetupCMDFlag(CLIPENABLE);
-	}
-#endif
-#ifdef pitchdw
-	SiSSetupSRCXY(newsrcx, newsrcy)
-#endif
-#ifdef nopitch
-	SiSSetupSRCXY(0,0)
-#endif
-#ifdef npitch
-	SiSSetupSRCXY(srcx, srcy)
-#endif
-
-	SiSSetupDSTXY(x,y)
-
-	SiSDoCMD
-#ifdef SISVRAMQ
-	/* We MUST sync here, there must not be 2 or more color expansion commands in the queue */
-	SiSIdle
-#endif
-}
-#endif
-
 #ifdef SISDUALHEAD
 static void
 SiSRestoreAccelState(ScrnInfoPtr pScrn)
@@ -1819,12 +1382,6 @@ SiS315AccelInit(ScreenPtr pScreen)
 	XAAInfoRecPtr   infoPtr = NULL;
 	int		topFB, reservedFbSize, usableFbSize;
 	BoxRec          Avail;
-#ifdef CTSCE
-	unsigned char   *AvailBufBase;
-#ifndef CTSCE_DIRECT
-	int             i;
-#endif
-#endif
 #endif /* XAA */
 
 	pSiS->ColorExpandBufferNumber = 0;
@@ -1920,82 +1477,6 @@ SiS315AccelInit(ScreenPtr pScreen)
 						  NO_TRANSPARENCY;
 #endif
 
-#ifdef STSCE
-	      /* Screen To Screen Color Expand */
-	      /* The hardware does not support this the way we need it, because
-	       * the mono-bitmap is not provided with a pitch of (width), but
-	       * with a pitch of scrnOffset (= width * bpp / 8).
-	       */
-	      infoPtr->SetupForScreenToScreenColorExpandFill =
-				SiSSetupForScreenToScreenColorExpand;
-	      infoPtr->SubsequentScreenToScreenColorExpandFill =
-				SiSSubsequentScreenToScreenColorExpand;
-	      infoPtr->ScreenToScreenColorExpandFillFlags = NO_PLANEMASK |
-							    BIT_ORDER_IN_BYTE_MSBFIRST ;
-#endif
-
-#ifdef CTSCE
-#ifdef CTSCE_DIRECT
-	      /* CPU color expansion - direct method
-	       *
-	       * We somewhat fake this function here in the following way:
-	       * XAA copies its mono-bitmap data not into an aperture, but
-	       * into our video RAM buffer. We then do a ScreenToScreen
-	       * color expand.
-	       * Unfortunately, XAA sends the data to the aperture AFTER
-	       * the call to Subsequent(), therefore we do not execute the
-	       * command in Subsequent, but in the following call to Sync().
-	       * (Hence, the SYNC_AFTER_COLOR_EXPAND flag MUST BE SET)
-	       *
-	       * This is slower than doing it by the CPU.
-	       */
-
-	       pSiS->ColorExpandBufferNumber = 48;
-	       pSiS->PerColorExpandBufferSize = ((pScrn->virtualX + 31)/32) * 4;
-	       infoPtr->SetupForCPUToScreenColorExpandFill = SiSSetupForCPUToScreenColorExpandFill;
-	       infoPtr->SubsequentCPUToScreenColorExpandFill = SiSSubsequentCPUToScreenColorExpandFill;
-	       infoPtr->ColorExpandRange = pSiS->ColorExpandBufferNumber * pSiS->PerColorExpandBufferSize;
-	       infoPtr->CPUToScreenColorExpandFillFlags =
-			NO_PLANEMASK |
-			CPU_TRANSFER_PAD_DWORD |
-			SCANLINE_PAD_DWORD |
-			BIT_ORDER_IN_BYTE_MSBFIRST |
-			LEFT_EDGE_CLIPPING |
-			SYNC_AFTER_COLOR_EXPAND;
-#else
-              /* CPU color expansion - per-scanline / indirect method
-	       *
-	       * SLOW! SLOWER! SLOWEST!
-	       *
-	       * Does not work on 330 series, hangs the engine (both VRAM and MMIO).
-	       * Does not work in VRAM queue mode.
-	       */
-#ifndef SISVRAMQ
-	      if((pSiS->Chipset != PCI_CHIP_SIS650) &&
-	         (pSiS->Chipset != PCI_CHIP_SIS660) &&
-	         (pSiS->Chipset != PCI_CHIP_SIS330) &&
-	         (pSiS->Chipset != PCI_CHIP_SIS340) &&
-		 (pSiS->Chipset != PCI_CHIP_XGIXG20) &&
-		 (pSiS->Chipset != PCI_CHIP_XGIXG40)) {
-		 pSiS->ColorExpandBufferNumber = 16;
-		 pSiS->ColorExpandBufferCountMask = 0x0F;
-		 pSiS->PerColorExpandBufferSize = ((pScrn->virtualX + 31)/32) * 4;
-		 infoPtr->NumScanlineColorExpandBuffers = pSiS->ColorExpandBufferNumber;
-		 infoPtr->ScanlineColorExpandBuffers = (unsigned char **)&pSiS->ColorExpandBufferAddr[0];
-		 infoPtr->SetupForScanlineCPUToScreenColorExpandFill = SiSSetupForScanlineCPUToScreenColorExpandFill;
-		 infoPtr->SubsequentScanlineCPUToScreenColorExpandFill = SiSSubsequentScanlineCPUToScreenColorExpandFill;
-		 infoPtr->SubsequentColorExpandScanline = SiSSubsequentColorExpandScanline;
-		 infoPtr->ScanlineCPUToScreenColorExpandFillFlags =
-				NO_PLANEMASK |
-				CPU_TRANSFER_PAD_DWORD |
-				SCANLINE_PAD_DWORD |
-				BIT_ORDER_IN_BYTE_MSBFIRST |
-				LEFT_EDGE_CLIPPING;
-	      }
-#endif
-#endif
-#endif
-
 #ifdef INCL_RENDER
 #ifdef RENDER
 	      /* Render */
@@ -2120,23 +1601,6 @@ SiS315AccelInit(ScreenPtr pScreen)
 
 	   usableFbSize = topFB - reservedFbSize;
 
-#ifdef CTSCE
-	   AvailBufBase = pSiS->FbBase + usableFbSize;
-	   if(pSiS->ColorExpandBufferNumber) {
-#ifdef CTSCE_DIRECT
-	      infoPtr->ColorExpandBase = (unsigned char *)AvailBufBase;
-	      pSiS->ColorExpandBase = usableFbSize;
-#else
-	      for(i = 0; i < pSiS->ColorExpandBufferNumber; i++) {
-		 pSiS->ColorExpandBufferAddr[i] = AvailBufBase +
-		       i * pSiS->PerColorExpandBufferSize;
-		 pSiS->ColorExpandBufferScreenOffset[i] = usableFbSize +
-		       i * pSiS->PerColorExpandBufferSize;
-	      }
-#endif
-	   }
-#endif
-
 	   Avail.x1 = 0;
 	   Avail.y1 = 0;
 	   Avail.x2 = pScrn->displayWidth;
diff --git a/src/sis_accel.c b/src/sis_accel.c
index b85c893..d21f23f 100644
--- a/src/sis_accel.c
+++ b/src/sis_accel.c
@@ -43,14 +43,6 @@
 #endif
 #include "sis_accel.h"
 
-#ifdef SIS_USE_XAA
-
-#if 0
-#define CTSCE		/* Include enhanced color expansion code */
-#endif			/* This produces drawing errors sometimes */
-
-#endif /* XAA */
-
 #ifdef SIS_USE_EXA
 extern void SiSScratchSave(ScreenPtr pScreen, ExaOffscreenArea *area);
 extern Bool SiSUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h, char *src, int src_pitch);
@@ -362,103 +354,6 @@ SiSSubsequentSolidHorVertLine(ScrnInfoPtr pScrn,
     sisSETCMD(op);
 }
 
-#ifdef CTSCE
-/* ----- CPU To Screen Color Expand (scanline-wise) ------ */
-static void
-SiSSetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,
-				int fg, int bg, int rop, unsigned int planemask)
-{
-    SISPtr pSiS=SISPTR(pScrn);
-
-    pSiS->CommandReg = 0;
-
-    pSiS->CommandReg |= (sisCMDECOLEXP |
-			 sisLEFT2RIGHT |
-			 sisTOP2BOTTOM);
-
-    sisBLTSync;
-
-    /* The combination of flags in the following
-     * is not understandable. However, this is the
-     * only combination that seems to work.
-     */
-    if(bg == -1) {
-       sisSETROPBG(0xAA);             /* dst = dst (=noop) */
-       pSiS->CommandReg |= sisSRCFG;
-    } else {
-       sisSETBGROPCOL(SiSGetPatternROP(rop), bg);
-       pSiS->CommandReg |= sisSRCFG | sisPATBG;
-    }
-
-    sisSETFGROPCOL(SiSGetCopyROP(rop), fg);
-
-    sisSETDSTPITCH(pSiS->scrnOffset);
-}
-
-
-static void
-SiSSubsequentScanlineCPUToScreenColorExpandFill(
-			ScrnInfoPtr pScrn, int x, int y, int w,
-			int h, int skipleft)
-{
-    SISPtr pSiS = SISPTR(pScrn);
-    int _x0, _y0, _x1, _y1;
-    int op = pSiS->CommandReg;
-
-    if(skipleft > 0) {
-       _x0 = x + skipleft;
-       _y0 = y;
-       _x1 = x + w;
-       _y1 = y + h;
-       sisSETCLIPTOP(_x0, _y0);
-       sisSETCLIPBOTTOM(_x1, _y1);
-       op |= sisCLIPENABL;
-    } else {
-       op &= (~(sisCLIPINTRN | sisCLIPENABL));
-    }
-
-    sisSETSRCPITCH(((((w + 7) / 8) + 3) >> 2) * 4);
-
-    sisSETHEIGHTWIDTH(1-1, (w * (pSiS->CurrentLayout.bitsPerPixel/8)) - 1);
-
-    pSiS->xcurrent = x;
-    pSiS->ycurrent = y;
-
-    pSiS->CommandReg = op;
-}
-
-static void
-SiSSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
-{
-    SISPtr pSiS = SISPTR(pScrn);
-    unsigned long cbo = pSiS->ColorExpandBufferScreenOffset[bufno];
-    int op = pSiS->CommandReg;
-    int destaddr;
-
-    destaddr = (pSiS->ycurrent * pSiS->CurrentLayout.displayWidth) + pSiS->xcurrent;
-    destaddr *= (pSiS->CurrentLayout.bitsPerPixel / 8);
-
-    /* Wait until there is no color expansion command in queue */
-    /* sisBLTSync; */
-
-    sisSETSRCADDR(cbo);
-
-    sisSETDSTADDR(destaddr);
-
-    sisSETCMD(op);
-
-    pSiS->ycurrent++;
-
-    /* Wait for eventual color expand commands to finish */
-    /* (needs to be done, otherwise the data in the buffer may
-     *  be overwritten while accessed by the hardware)
-     */
-    while((SIS_MMIO_IN32(pSiS->IOBase, 0x8284) & 0x80000000)) {}
-
-    sisBLTSync;
-}
-#endif  /* CTSCE */
-
 #endif /* XAA */
 
 #ifdef SIS_USE_EXA  /* ---------------------------- EXA -------------------------- */
@@ -738,29 +633,6 @@ SiSAccelInit(ScreenPtr pScreen)
 						BIT_ORDER_IN_BYTE_MSBFIRST;
 	  }
 
-#ifdef CTSCE
-	  if(pScrn->bitsPerPixel != 24) {
-	     /* per-scanline color expansion (using indirect method) */
-	     pSiS->ColorExpandBufferNumber = 4;
-	     pSiS->ColorExpandBufferCountMask = 0x03;
-	     pSiS->PerColorExpandBufferSize = ((pScrn->virtualX + 31) / 32) * 4;
-
-	     infoPtr->NumScanlineColorExpandBuffers = pSiS->ColorExpandBufferNumber;
-	     infoPtr->ScanlineColorExpandBuffers = (UChar **)&pSiS->ColorExpandBufferAddr[0];
-
-	     infoPtr->SetupForScanlineCPUToScreenColorExpandFill =
-				SiSSetupForScanlineCPUToScreenColorExpandFill;
-	     infoPtr->SubsequentScanlineCPUToScreenColorExpandFill =
-				SiSSubsequentScanlineCPUToScreenColorExpandFill;
-	     infoPtr->SubsequentColorExpandScanline =
-	                            SiSSubsequentColorExpandScanline;
-	     infoPtr->ScanlineCPUToScreenColorExpandFillFlags = NO_PLANEMASK |
-								CPU_TRANSFER_PAD_DWORD |
-								SCANLINE_PAD_DWORD |
-								BIT_ORDER_IN_BYTE_MSBFIRST |
-								LEFT_EDGE_CLIPPING;
-	  }
-#endif
        } /* !exa */
 #endif /* XAA */
 
-- 
1.7.4.1



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