Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
---
 src/trident_accel.c | 540 ++++++++++++++++++++++++++--------------------------
 1 file changed, 268 insertions(+), 272 deletions(-)

diff --git a/src/trident_accel.c b/src/trident_accel.c
index f47fab4..329cc7a 100644
--- a/src/trident_accel.c
+++ b/src/trident_accel.c
@@ -43,56 +43,55 @@
 #include "xaarop.h"
 
 static void TridentSync(ScrnInfoPtr pScrn);
-static void TridentSetupForDashedLine(ScrnInfoPtr pScrn, int fg, int bg, 
-                               int rop, unsigned int planemask, int length,
-                               unsigned char *pattern);
+static void TridentSetupForDashedLine(ScrnInfoPtr pScrn, int fg, int bg,
+        int rop, unsigned int planemask, int length,
+        unsigned char *pattern);
 static void TridentSubsequentDashedBresenhamLine(ScrnInfoPtr pScrn,
-                               int x, int y, int dmaj, int dmin, int e, 
-                               int len, int octant, int phase);
+        int x, int y, int dmaj, int dmin, int e,
+        int len, int octant, int phase);
 static void TridentSetupForSolidLine(ScrnInfoPtr pScrn, int color,
-                               int rop, unsigned int planemask);
+        int rop, unsigned int planemask);
 static void TridentSubsequentSolidBresenhamLine(ScrnInfoPtr pScrn,
-                               int x, int y, int dmaj, int dmin, int e, 
-                               int len, int octant);
+        int x, int y, int dmaj, int dmin, int e,
+        int len, int octant);
 static void TridentSubsequentSolidHorVertLine(ScrnInfoPtr pScrn, int x, int y,
-                               int len, int dir);
+        int len, int dir);
 static void TridentSetupForFillRectSolid(ScrnInfoPtr pScrn, int color,
-                               int rop, unsigned int planemask);
+        int rop, unsigned int planemask);
 static void TridentSubsequentFillRectSolid(ScrnInfoPtr pScrn, int x,
-                               int y, int w, int h);
+        int y, int w, int h);
 static void TridentSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn,
-                               int x1, int y1, int x2,
-                               int y2, int w, int h);
+        int x1, int y1, int x2,
+        int y2, int w, int h);
 static void TridentSetupForScreenToScreenCopy(ScrnInfoPtr pScrn,
-                               int xdir, int ydir, int rop, 
-                                unsigned int planemask,
-                               int transparency_color);
-static void TridentSetupForMono8x8PatternFill(ScrnInfoPtr pScrn, 
-                               int patternx, int patterny, int fg, int bg, 
-                               int rop, unsigned int planemask);
-static void TridentSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn, 
-                               int patternx, int patterny, int x, int y, 
-                               int w, int h);
+        int xdir, int ydir, int rop,
+        unsigned int planemask,
+        int transparency_color);
+static void TridentSetupForMono8x8PatternFill(ScrnInfoPtr pScrn,
+        int patternx, int patterny, int fg, int bg,
+        int rop, unsigned int planemask);
+static void TridentSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,
+        int patternx, int patterny, int x, int y,
+        int w, int h);
 #if 0
-static void TridentSetupForColor8x8PatternFill(ScrnInfoPtr pScrn, 
-                               int patternx, int patterny, 
-                               int rop, unsigned int planemask, int trans_col);
-static void TridentSubsequentColor8x8PatternFillRect(ScrnInfoPtr pScrn, 
-                               int patternx, int patterny, int x, int y, 
-                               int w, int h);
+static void TridentSetupForColor8x8PatternFill(ScrnInfoPtr pScrn,
+        int patternx, int patterny,
+        int rop, unsigned int planemask, int trans_col);
+static void TridentSubsequentColor8x8PatternFillRect(ScrnInfoPtr pScrn,
+        int patternx, int patterny, int x, int y,
+        int w, int h);
 #endif
 #if 0
 static void TridentSetupForScanlineCPUToScreenColorExpandFill(
-                               ScrnInfoPtr pScrn,
-                               int fg, int bg, int rop, 
-                               unsigned int planemask);
+        ScrnInfoPtr pScrn,
+        int fg, int bg, int rop,
+        unsigned int planemask);
 static void TridentSubsequentScanlineCPUToScreenColorExpandFill(
-                               ScrnInfoPtr pScrn, int x,
-                               int y, int w, int h, int skipleft);
+        ScrnInfoPtr pScrn, int x,
+        int y, int w, int h, int skipleft);
 static void TridentSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno);
 #endif
 
-
 static void
 TridentInitializeAccelerator(ScrnInfoPtr pScrn)
 {
@@ -104,9 +103,9 @@ TridentInitializeAccelerator(ScrnInfoPtr pScrn)
     CHECKCLIPPING;
 
     if ( (pTrident->Chipset == PROVIDIA9682) ||
-         (pTrident->Chipset == CYBER9385) ||
-         (pTrident->Chipset == CYBER9382) ) 
-       pTrident->EngineOperation |= 0x100; /* Disable Clipping */
+            (pTrident->Chipset == CYBER9385) ||
+            (pTrident->Chipset == CYBER9382) )
+    pTrident->EngineOperation |= 0x100; /* Disable Clipping */
 
     TGUI_OPERMODE(pTrident->EngineOperation);
 
@@ -114,30 +113,28 @@ TridentInitializeAccelerator(ScrnInfoPtr pScrn)
 }
 #endif
 
-Bool
-TridentAccelInit(ScreenPtr pScreen)
-{
+Bool TridentAccelInit(ScreenPtr pScreen) {
 #ifdef HAVE_XAA_H
     XAAInfoRecPtr infoPtr;
     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
 
     if (pTrident->NoAccel)
-       return FALSE;
+    return FALSE;
 
     pTrident->AccelInfoRec = infoPtr = XAACreateInfoRec();
     if (!infoPtr) return FALSE;
 
-    if (!(pTrident->Chipset == TGUI9440AGi && pScrn->bitsPerPixel > 8)) 
-       infoPtr->Flags = PIXMAP_CACHE |
-                    OFFSCREEN_PIXMAPS |
-                    LINEAR_FRAMEBUFFER;
+    if (!(pTrident->Chipset == TGUI9440AGi && pScrn->bitsPerPixel > 8))
+    infoPtr->Flags = PIXMAP_CACHE |
+    OFFSCREEN_PIXMAPS |
+    LINEAR_FRAMEBUFFER;
 
     pTrident->InitializeAccelerator = TridentInitializeAccelerator;
     TridentInitializeAccelerator(pScrn);
 
     infoPtr->PixmapCacheFlags = DO_NOT_BLIT_STIPPLES;
- 
+
     infoPtr->Sync = TridentSync;
 
     infoPtr->SolidLineFlags = NO_PLANEMASK;
@@ -147,71 +144,71 @@ TridentAccelInit(ScreenPtr pScreen)
     infoPtr->SubsequentSolidHorVertLine = TridentSubsequentSolidHorVertLine;
 
     infoPtr->DashedLineFlags = LINE_PATTERN_MSBFIRST_LSBJUSTIFIED |
-                              NO_PLANEMASK |
-                              LINE_PATTERN_POWER_OF_2_ONLY;
+    NO_PLANEMASK |
+    LINE_PATTERN_POWER_OF_2_ONLY;
     infoPtr->SetupForDashedLine = TridentSetupForDashedLine;
     infoPtr->DashedBresenhamLineErrorTermBits = 12;
-    infoPtr->SubsequentDashedBresenhamLine = 
-                                       TridentSubsequentDashedBresenhamLine;  
+    infoPtr->SubsequentDashedBresenhamLine =
+    TridentSubsequentDashedBresenhamLine;
     infoPtr->DashPatternMaxLength = 16;
 
     infoPtr->SolidFillFlags = NO_PLANEMASK;
     infoPtr->SetupForSolidFill = TridentSetupForFillRectSolid;
     infoPtr->SubsequentSolidFillRect = TridentSubsequentFillRectSolid;
-    
+
     infoPtr->ScreenToScreenCopyFlags = NO_PLANEMASK;
 
     if (!HAS_DST_TRANS) infoPtr->ScreenToScreenCopyFlags |= NO_TRANSPARENCY;
 
-    infoPtr->SetupForScreenToScreenCopy =      
-                               TridentSetupForScreenToScreenCopy;
-    infoPtr->SubsequentScreenToScreenCopy =            
-                               TridentSubsequentScreenToScreenCopy;
+    infoPtr->SetupForScreenToScreenCopy =
+    TridentSetupForScreenToScreenCopy;
+    infoPtr->SubsequentScreenToScreenCopy =
+    TridentSubsequentScreenToScreenCopy;
 
     if (!((pTrident->Chipset == PROVIDIA9685 ||
-          pTrident->Chipset == CYBER9388) && pScrn->bitsPerPixel > 8)) { 
-       infoPtr->Mono8x8PatternFillFlags =  NO_PLANEMASK | 
-                                       HARDWARE_PATTERN_SCREEN_ORIGIN | 
-                                       BIT_ORDER_IN_BYTE_MSBFIRST;
-
-       infoPtr->SetupForMono8x8PatternFill =
-                               TridentSetupForMono8x8PatternFill;
-       infoPtr->SubsequentMono8x8PatternFillRect = 
-                               TridentSubsequentMono8x8PatternFillRect;
+                            pTrident->Chipset == CYBER9388) && 
pScrn->bitsPerPixel > 8)) {
+        infoPtr->Mono8x8PatternFillFlags = NO_PLANEMASK |
+        HARDWARE_PATTERN_SCREEN_ORIGIN |
+        BIT_ORDER_IN_BYTE_MSBFIRST;
+
+        infoPtr->SetupForMono8x8PatternFill =
+        TridentSetupForMono8x8PatternFill;
+        infoPtr->SubsequentMono8x8PatternFillRect =
+        TridentSubsequentMono8x8PatternFillRect;
     }
 
 #if 0 /* Not convinced this works 100% yet */
-    infoPtr->Color8x8PatternFillFlags = NO_PLANEMASK | 
-                                       HARDWARE_PATTERN_SCREEN_ORIGIN | 
-                                       BIT_ORDER_IN_BYTE_MSBFIRST;
+    infoPtr->Color8x8PatternFillFlags = NO_PLANEMASK |
+    HARDWARE_PATTERN_SCREEN_ORIGIN |
+    BIT_ORDER_IN_BYTE_MSBFIRST;
 
     if (!HAS_DST_TRANS) infoPtr->Color8x8PatternFillFlags |= NO_TRANSPARENCY;
 
     infoPtr->SetupForColor8x8PatternFill =
-                               TridentSetupForColor8x8PatternFill;
-    infoPtr->SubsequentColor8x8PatternFillRect = 
-                               TridentSubsequentColor8x8PatternFillRect;
+    TridentSetupForColor8x8PatternFill;
+    infoPtr->SubsequentColor8x8PatternFillRect =
+    TridentSubsequentColor8x8PatternFillRect;
 #endif
 
 #if 0 /* This is buggy, it only seems to work 95% of the time.... */
     {
-       infoPtr->ScanlineCPUToScreenColorExpandFillFlags = NO_PLANEMASK |
-                                       NO_TRANSPARENCY |
-                                       BIT_ORDER_IN_BYTE_MSBFIRST;
-
-       pTrident->XAAScanlineColorExpandBuffers[0] =
-           xnfalloc(((pScrn->virtualX + 63)) *4* (pScrn->bitsPerPixel / 8));
-
-       infoPtr->NumScanlineColorExpandBuffers = 1;
-       infoPtr->ScanlineColorExpandBuffers = 
-                                       pTrident->XAAScanlineColorExpandBuffers;
-
-       infoPtr->SetupForScanlineCPUToScreenColorExpandFill =
-                       TridentSetupForScanlineCPUToScreenColorExpandFill;
-       infoPtr->SubsequentScanlineCPUToScreenColorExpandFill = 
-                       TridentSubsequentScanlineCPUToScreenColorExpandFill;
-       infoPtr->SubsequentColorExpandScanline = 
-                       TridentSubsequentColorExpandScanline;
+        infoPtr->ScanlineCPUToScreenColorExpandFillFlags = NO_PLANEMASK |
+        NO_TRANSPARENCY |
+        BIT_ORDER_IN_BYTE_MSBFIRST;
+
+        pTrident->XAAScanlineColorExpandBuffers[0] =
+        xnfalloc(((pScrn->virtualX + 63)) *4* (pScrn->bitsPerPixel / 8));
+
+        infoPtr->NumScanlineColorExpandBuffers = 1;
+        infoPtr->ScanlineColorExpandBuffers =
+        pTrident->XAAScanlineColorExpandBuffers;
+
+        infoPtr->SetupForScanlineCPUToScreenColorExpandFill =
+        TridentSetupForScanlineCPUToScreenColorExpandFill;
+        infoPtr->SubsequentScanlineCPUToScreenColorExpandFill =
+        TridentSubsequentScanlineCPUToScreenColorExpandFill;
+        infoPtr->SubsequentColorExpandScanline =
+        TridentSubsequentColorExpandScanline;
     }
 #endif
 
@@ -232,21 +229,21 @@ TridentSync(ScrnInfoPtr pScrn)
     TGUI_OPERMODE(pTrident->EngineOperation);
 
     for (;;) {
-       BLTBUSY(busy);
-       if (busy != GE_BUSY) {
-           return;
-       }
-       count++;
-       if (count == 10000000) {
-           ErrorF("Trident: BitBLT engine time-out.\n");
-           count = 9990000;
-           timeout++;
-           if (timeout == 8) {
-               /* Reset BitBLT Engine */
-               TGUI_STATUS(0x00);
-               return;
-           }
-       }
+        BLTBUSY(busy);
+        if (busy != GE_BUSY) {
+            return;
+        }
+        count++;
+        if (count == 10000000) {
+            ErrorF("Trident: BitBLT engine time-out.\n");
+            count = 9990000;
+            timeout++;
+            if (timeout == 8) {
+                /* Reset BitBLT Engine */
+                TGUI_STATUS(0x00);
+                return;
+            }
+        }
     }
 }
 
@@ -258,28 +255,28 @@ TridentClearSync(ScrnInfoPtr pScrn)
     int busy;
 
     for (;;) {
-       BLTBUSY(busy);
-       if (busy != GE_BUSY) {
-           return;
-       }
-       count++;
-       if (count == 10000000) {
-           ErrorF("Trident: BitBLT engine time-out.\n");
-           count = 9990000;
-           timeout++;
-           if (timeout == 8) {
-               /* Reset BitBLT Engine */
-               TGUI_STATUS(0x00);
-               return;
-           }
-       }
+        BLTBUSY(busy);
+        if (busy != GE_BUSY) {
+            return;
+        }
+        count++;
+        if (count == 10000000) {
+            ErrorF("Trident: BitBLT engine time-out.\n");
+            count = 9990000;
+            timeout++;
+            if (timeout == 8) {
+                /* Reset BitBLT Engine */
+                TGUI_STATUS(0x00);
+                return;
+            }
+        }
     }
 }
 
 static void
-TridentSetupForScreenToScreenCopy(ScrnInfoPtr pScrn, 
-                               int xdir, int ydir, int rop,
-                               unsigned int planemask, int transparency_color)
+TridentSetupForScreenToScreenCopy(ScrnInfoPtr pScrn,
+        int xdir, int ydir, int rop,
+        unsigned int planemask, int transparency_color)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     int dst = 0;
@@ -290,13 +287,13 @@ TridentSetupForScreenToScreenCopy(ScrnInfoPtr pScrn,
 
     REPLICATE(transparency_color);
     if (transparency_color != -1) {
-       if (pTrident->Chipset == PROVIDIA9685 ||
-           pTrident->Chipset == CYBER9388) {
-           dst |= 1<<16;
-       } else {
-           TGUI_OPERMODE(pTrident->EngineOperation | DST_ENABLE);
-       }
-       TGUI_CKEY(transparency_color);
+        if (pTrident->Chipset == PROVIDIA9685 ||
+                pTrident->Chipset == CYBER9388) {
+            dst |= 1<<16;
+        } else {
+            TGUI_OPERMODE(pTrident->EngineOperation | DST_ENABLE);
+        }
+        TGUI_CKEY(transparency_color);
     }
 
     TGUI_DRAWFLAG(pTrident->DrawFlag | pTrident->BltScanDirection | SCR2SCR | 
dst);
@@ -305,17 +302,17 @@ TridentSetupForScreenToScreenCopy(ScrnInfoPtr pScrn,
 
 static void
 TridentSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int x1, int y1,
-                                       int x2, int y2, int w, int h)
+        int x2, int y2, int w, int h)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
 
     if (pTrident->BltScanDirection & YNEG) {
         y1 = y1 + h - 1;
-       y2 = y2 + h - 1;
+        y2 = y2 + h - 1;
     }
     if (pTrident->BltScanDirection & XNEG) {
-       x1 = x1 + w - 1;
-       x2 = x2 + w - 1;
+        x1 = x1 + w - 1;
+        x2 = x2 + w - 1;
     }
     TGUI_SRC_XY(x1,y1);
     TGUI_DEST_XY(x2,y2);
@@ -326,7 +323,7 @@ TridentSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int 
x1, int y1,
 
 static void
 TridentSetupForSolidLine(ScrnInfoPtr pScrn, int color,
-                                        int rop, unsigned int planemask)
+        int rop, unsigned int planemask)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
 
@@ -334,14 +331,14 @@ TridentSetupForSolidLine(ScrnInfoPtr pScrn, int color,
     REPLICATE(color);
     TGUI_FMIX(XAAGetPatternROP(rop));
     if (pTrident->Chipset == PROVIDIA9685 ||
-        pTrident->Chipset == CYBER9388) {
-       TGUI_FPATCOL(color);
+            pTrident->Chipset == CYBER9388) {
+        TGUI_FPATCOL(color);
     } else {
-       TGUI_FCOLOUR(color);
+        TGUI_FCOLOUR(color);
     }
 }
 
-static void 
+static void
 TridentSubsequentSolidBresenhamLine( ScrnInfoPtr pScrn,
         int x, int y, int dmaj, int dmin, int e, int len, int octant)
 {
@@ -359,21 +356,21 @@ TridentSubsequentSolidBresenhamLine( ScrnInfoPtr pScrn,
     TridentSync(pScrn);
 }
 
-static void 
+static void
 TridentSubsequentSolidHorVertLine(
-    ScrnInfoPtr pScrn,
-    int x, int y, 
-    int len, int dir
-){
+        ScrnInfoPtr pScrn,
+        int x, int y,
+        int len, int dir
+) {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
 
     TGUI_DRAWFLAG(pTrident->DrawFlag | SOLIDFILL);
     if (dir == DEGREES_0) {
-       TGUI_DIM_XY(len,1);
-       TGUI_DEST_XY(x,y);
+        TGUI_DIM_XY(len,1);
+        TGUI_DEST_XY(x,y);
     } else {
-       TGUI_DIM_XY(1,len);
-       TGUI_DEST_XY(x,y);
+        TGUI_DIM_XY(1,len);
+        TGUI_DEST_XY(x,y);
     }
     TGUI_COMMAND(GE_BLT);
     TridentSync(pScrn);
@@ -381,49 +378,48 @@ TridentSubsequentSolidHorVertLine(
 
 void
 TridentSetupForDashedLine(
-    ScrnInfoPtr pScrn, 
-    int fg, int bg, int rop,
-    unsigned int planemask,
-    int length,
-    unsigned char *pattern
-){
+        ScrnInfoPtr pScrn,
+        int fg, int bg, int rop,
+        unsigned int planemask,
+        int length,
+        unsigned char *pattern
+) {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     CARD32 *DashPattern = (CARD32*)pattern;
     CARD32 NiceDashPattern = DashPattern[0];
 
     NiceDashPattern = *((CARD16 *)pattern) & ((1<<length) - 1);
     switch(length) {
-       case 2: NiceDashPattern |= NiceDashPattern << 2;
-       case 4: NiceDashPattern |= NiceDashPattern << 4;
-       case 8: NiceDashPattern |= NiceDashPattern << 8;
+        case 2: NiceDashPattern |= NiceDashPattern << 2;
+        case 4: NiceDashPattern |= NiceDashPattern << 4;
+        case 8: NiceDashPattern |= NiceDashPattern << 8;
     }
     pTrident->BltScanDirection = 0;
     REPLICATE(fg);
     if (pTrident->Chipset == PROVIDIA9685 ||
-        pTrident->Chipset == CYBER9388) {
-       TGUI_FPATCOL(fg);
-       if (bg == -1) {
-           pTrident->BltScanDirection |= 1<<12;
-           TGUI_BPATCOL(~fg);
-       } else {
-           REPLICATE(bg);
-           TGUI_BPATCOL(bg);
-       }
+            pTrident->Chipset == CYBER9388) {
+        TGUI_FPATCOL(fg);
+        if (bg == -1) {
+            pTrident->BltScanDirection |= 1<<12;
+            TGUI_BPATCOL(~fg);
+        } else {
+            REPLICATE(bg);
+            TGUI_BPATCOL(bg);
+        }
     } else {
-       TGUI_FCOLOUR(fg);
-       if (bg == -1) {
-           pTrident->BltScanDirection |= 1<<12;
-           TGUI_BCOLOUR(~fg);
-       } else {
-           REPLICATE(bg);
-           TGUI_BCOLOUR(bg);
-       }
+        TGUI_FCOLOUR(fg);
+        if (bg == -1) {
+            pTrident->BltScanDirection |= 1<<12;
+            TGUI_BCOLOUR(~fg);
+        } else {
+            REPLICATE(bg);
+            TGUI_BCOLOUR(bg);
+        }
     }
     TGUI_FMIX(XAAGetPatternROP(rop));
     pTrident->LinePattern = NiceDashPattern;
 }
 
-
 void
 TridentSubsequentDashedBresenhamLine(ScrnInfoPtr pScrn,
         int x, int y, int dmaj, int dmin, int e, int len, int octant, int 
phase)
@@ -435,8 +431,8 @@ TridentSubsequentDashedBresenhamLine(ScrnInfoPtr pScrn,
     if (octant & XDECREASING) tmp |= XNEG;
     if (octant & YDECREASING) tmp |= YNEG;
 
-    TGUI_STYLE(((pTrident->LinePattern >> phase) | 
-               (pTrident->LinePattern << (16-phase))) & 0x0000FFFF);
+    TGUI_STYLE(((pTrident->LinePattern >> phase) |
+                    (pTrident->LinePattern << (16-phase))) & 0x0000FFFF);
     TGUI_DRAWFLAG(pTrident->DrawFlag | STENCIL | tmp);
     TGUI_SRC_XY(dmin-dmaj,dmin);
     TGUI_DEST_XY(x,y);
@@ -446,8 +442,8 @@ TridentSubsequentDashedBresenhamLine(ScrnInfoPtr pScrn,
 }
 
 static void
-TridentSetupForFillRectSolid(ScrnInfoPtr pScrn, int color, 
-                                   int rop, unsigned int planemask)
+TridentSetupForFillRectSolid(ScrnInfoPtr pScrn, int color,
+        int rop, unsigned int planemask)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     int drawflag = 0;
@@ -455,11 +451,11 @@ TridentSetupForFillRectSolid(ScrnInfoPtr pScrn, int color,
     REPLICATE(color);
     TGUI_FMIX(XAAGetPatternROP(rop));
     if (pTrident->Chipset == PROVIDIA9685 ||
-        pTrident->Chipset == CYBER9388) {
-       TGUI_FPATCOL(color);
+            pTrident->Chipset == CYBER9388) {
+        TGUI_FPATCOL(color);
     } else {
-       drawflag |= PATMONO;
-       TGUI_FCOLOUR(color);
+        drawflag |= PATMONO;
+        TGUI_FCOLOUR(color);
     }
     TGUI_DRAWFLAG(pTrident->DrawFlag | SOLIDFILL | drawflag);
 }
@@ -477,84 +473,84 @@ TridentSubsequentFillRectSolid(ScrnInfoPtr pScrn, int x, 
int y, int w, int h)
 
 #if 0
 static void MoveDWORDS(
-   register CARD32* dest,
-   register CARD32* src,
-   register int dwords )
+        register CARD32* dest,
+        register CARD32* src,
+        register int dwords )
 {
-     while(dwords & ~0x03) {
-       *dest = *src;
-       *(dest + 1) = *(src + 1);
-       *(dest + 2) = *(src + 2);
-       *(dest + 3) = *(src + 3);
-       src += 4;
-       dest += 4;
-       dwords -= 4;
-     } 
-     if (!dwords) return;
-     *dest = *src;
-     dest += 1;
-     src += 1;
-     if (dwords == 1) return;
-     *dest = *src;
-     dest += 1;
-     src += 1;
-     if (dwords == 2) return;
-     *dest = *src;
-     dest += 1;
-     src += 1;
+    while(dwords & ~0x03) {
+        *dest = *src;
+        *(dest + 1) = *(src + 1);
+        *(dest + 2) = *(src + 2);
+        *(dest + 3) = *(src + 3);
+        src += 4;
+        dest += 4;
+        dwords -= 4;
+    }
+    if (!dwords) return;
+    *dest = *src;
+    dest += 1;
+    src += 1;
+    if (dwords == 1) return;
+    *dest = *src;
+    dest += 1;
+    src += 1;
+    if (dwords == 2) return;
+    *dest = *src;
+    dest += 1;
+    src += 1;
 }
 #endif
 
-static void 
-TridentSetupForMono8x8PatternFill(ScrnInfoPtr pScrn, 
-                                          int patternx, int patterny, 
-                                          int fg, int bg, int rop,
-                                          unsigned int planemask)
+static void
+TridentSetupForMono8x8PatternFill(ScrnInfoPtr pScrn,
+        int patternx, int patterny,
+        int fg, int bg, int rop,
+        unsigned int planemask)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     int drawflag = 0;
 
     REPLICATE(fg);
     if (pTrident->Chipset == PROVIDIA9685 ||
-        pTrident->Chipset == CYBER9388)
-       TGUI_FPATCOL(fg);
+            pTrident->Chipset == CYBER9388)
+    TGUI_FPATCOL(fg);
     else
-       TGUI_FCOLOUR(fg);
+    TGUI_FCOLOUR(fg);
 
     if (bg == -1) {
-       drawflag |= 1<<12;
-       if (pTrident->Chipset == PROVIDIA9685 ||
-            pTrident->Chipset == CYBER9388) 
-           TGUI_BPATCOL(~fg);
-       else
-           TGUI_BCOLOUR(~fg);
+        drawflag |= 1<<12;
+        if (pTrident->Chipset == PROVIDIA9685 ||
+                pTrident->Chipset == CYBER9388)
+        TGUI_BPATCOL(~fg);
+        else
+        TGUI_BCOLOUR(~fg);
     } else {
-       REPLICATE(bg);
-       if (pTrident->Chipset == PROVIDIA9685 ||
-            pTrident->Chipset == CYBER9388) 
-           TGUI_BPATCOL(bg);
-       else
-           TGUI_BCOLOUR(bg);
+        REPLICATE(bg);
+        if (pTrident->Chipset == PROVIDIA9685 ||
+                pTrident->Chipset == CYBER9388)
+        TGUI_BPATCOL(bg);
+        else
+        TGUI_BCOLOUR(bg);
     }
 
     if (pTrident->Chipset == PROVIDIA9685 ||
-        pTrident->Chipset == CYBER9388) {
-       drawflag |= 7<<18;
+            pTrident->Chipset == CYBER9388) {
+        drawflag |= 7<<18;
     }
     TGUI_DRAWFLAG(pTrident->DrawFlag | PAT2SCR | PATMONO | drawflag);
     TGUI_PATLOC(((patterny * pTrident->PatternLocation) +
-                (patternx * pScrn->bitsPerPixel / 8)) >> 6);
+                    (patternx * pScrn->bitsPerPixel / 8)) >> 6);
     TGUI_FMIX(XAAGetPatternROP(rop));
 }
 
-static void 
-TridentSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,     
-                                  int patternx, int patterny,
-                                  int x, int y,
-                                  int w, int h)
+static void
+TridentSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,
+        int patternx, int patterny,
+        int x, int y,
+        int w, int h)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
-  
+
     TGUI_DEST_XY(x,y);
     TGUI_DIM_XY(w,h);
     TGUI_COMMAND(GE_BLT);
@@ -562,41 +558,41 @@ TridentSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,
 }
 
 #if 0
-static void 
-TridentSetupForColor8x8PatternFill(ScrnInfoPtr pScrn, 
-                                          int patternx, int patterny, 
-                                          int rop,
-                                          unsigned int planemask,
-                                          int transparency_color)
+static void
+TridentSetupForColor8x8PatternFill(ScrnInfoPtr pScrn,
+        int patternx, int patterny,
+        int rop,
+        unsigned int planemask,
+        int transparency_color)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     int drawflag = 0;
 
     REPLICATE(transparency_color);
     if (transparency_color != -1) {
-       if (pTrident->Chipset == PROVIDIA9685 ||
-            pTrident->Chipset == CYBER9388) {
-           drawflag |= 1<<16;
-       } else {
-           TGUI_OPERMODE(pTrident->EngineOperation | DST_ENABLE);
-       }
-       TGUI_CKEY(transparency_color);
+        if (pTrident->Chipset == PROVIDIA9685 ||
+                pTrident->Chipset == CYBER9388) {
+            drawflag |= 1<<16;
+        } else {
+            TGUI_OPERMODE(pTrident->EngineOperation | DST_ENABLE);
+        }
+        TGUI_CKEY(transparency_color);
     }
 
     TGUI_DRAWFLAG(pTrident->DrawFlag | PAT2SCR | drawflag);
     TGUI_PATLOC(((patterny * pTrident->PatternLocation) +
-                (patternx * pScrn->bitsPerPixel / 8)) >> 6);
+                    (patternx * pScrn->bitsPerPixel / 8)) >> 6);
     TGUI_FMIX(XAAGetPatternROP(rop));
 }
 
-static void 
-TridentSubsequentColor8x8PatternFillRect(ScrnInfoPtr pScrn,    
-                                  int patternx, int patterny,
-                                  int x, int y,
-                                  int w, int h)
+static void
+TridentSubsequentColor8x8PatternFillRect(ScrnInfoPtr pScrn,
+        int patternx, int patterny,
+        int x, int y,
+        int w, int h)
 {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
-  
+
     TGUI_DEST_XY(x,y);
     TGUI_DIM_XY(w,h);
     TGUI_COMMAND(GE_BLT);
@@ -607,22 +603,22 @@ TridentSubsequentColor8x8PatternFillRect(ScrnInfoPtr 
pScrn,
 #if 0
 static void
 TridentSetupForScanlineCPUToScreenColorExpandFill(
-       ScrnInfoPtr pScrn,
-       int fg, int bg, 
-       int rop, 
-       unsigned int planemask
-){
+        ScrnInfoPtr pScrn,
+        int fg, int bg,
+        int rop,
+        unsigned int planemask
+) {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     int drawflag = SRCMONO;
 
     REPLICATE(fg);
     TGUI_FCOLOUR(fg);
     if (bg == -1) {
-       drawflag |= 1<<12;
-       TGUI_BCOLOUR(~fg);
+        drawflag |= 1<<12;
+        TGUI_BCOLOUR(~fg);
     } else {
-       REPLICATE(bg);
-       TGUI_BCOLOUR(bg);
+        REPLICATE(bg);
+        TGUI_BCOLOUR(bg);
     }
 
     TGUI_SRC_XY(0,0);
@@ -632,10 +628,10 @@ TridentSetupForScanlineCPUToScreenColorExpandFill(
 
 static void
 TridentSubsequentScanlineCPUToScreenColorExpandFill(
-       ScrnInfoPtr pScrn,
-       int x, int y, int w, int h,
-       int skipleft
-){
+        ScrnInfoPtr pScrn,
+        int x, int y, int w, int h,
+        int skipleft
+) {
     TRIDENTPtr pTrident = TRIDENTPTR(pScrn);
     pTrident->dwords = (w + 31) >> 5;
     pTrident->h = h;
@@ -655,16 +651,16 @@ TridentSubsequentColorExpandScanline(ScrnInfoPtr pScrn, 
int bufno)
     XAAInfoRecPtr infoRec;
     infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
 
-    MoveDWORDS((CARD32 *)pTrident->FbBase, 
-               (CARD32 *)pTrident->XAAScanlineColorExpandBuffers[0], 
-                       pTrident->dwords);
+    MoveDWORDS((CARD32 *)pTrident->FbBase,
+            (CARD32 *)pTrident->XAAScanlineColorExpandBuffers[0],
+            pTrident->dwords);
 
     pTrident->h--;
     TridentSync(pScrn);
     if (pTrident->h) {
-       TGUI_DEST_XY(pTrident->x,pTrident->y++);
-       TGUI_DIM_XY(pTrident->w,1);
-       TGUI_COMMAND(GE_BLT);
+        TGUI_DEST_XY(pTrident->x,pTrident->y++);
+        TGUI_DIM_XY(pTrident->w,1);
+        TGUI_COMMAND(GE_BLT);
     }
 }
 #endif
-- 
2.7.4

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