Updated Windows driver for Mesa 4.0.

Needs optimization.

1 files changed, 1427 insertions, 1555 deletions

diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c
index 610732161d..bd07d08ed1 100644
--- a/src/mesa/drivers/windows/wmesa.c
+++ b/src/mesa/drivers/windows/wmesa.c
@@ -1,4 +1,4 @@
-/* $Id: wmesa.c,v 1.20 2001/09/25 16:22:40 kschultz Exp $ */
+/* $Id: wmesa.c,v 1.21 2001/10/04 19:04:56 kschultz Exp $ */
 
 /*
  * Windows (Win32) device driver for Mesa 3.4
@@ -15,32 +15,43 @@
  *  This file and its associations are partially borrowed from the
  *  Windows NT driver for Mesa 1.8 , written by Mark Leaming
  *  (mark@rsinc.com).
+ *
+ * Updated for Mesa 4.0 by Karl Schultz (kschultz@sourceforge.net)
  */
 
 
-#define WMESA_STEREO_C
 
-#include <windows.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include "wmesadef.h"
 #include <GL/wmesa.h>
 #include "mesa_extend.h"
+
+#include "glheader.h"
 #include "colors.h"
-#include "macros.h"
 #include "context.h"
+#include "colormac.h"
 #include "dd.h"
-//#include "xform.h"
-//#include "vb.h"
-#include "matrix.h"
 #include "depth.h"
-#include "wmesadef.h"
-
-#pragma warning ( disable : 4100 4133 4761 )
-
-#ifdef PROFILE
-//  #include "profile.h"
-#endif
-
+#include "extensions.h"
+#include "macros.h"
+#include "matrix.h"
+#include "mem.h"
+#include "mmath.h"
+#include "mtypes.h"
+#include "texformat.h"
+#include "texstore.h"
+#include "array_cache/acache.h"
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "swrast/s_context.h"
+#include "swrast/s_depth.h"
+#include "swrast/s_lines.h"
+#include "swrast/s_triangle.h"
+#include "swrast/s_trispan.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+
+/* Dither not tested for Mesa 4.0 */ 
 #ifdef DITHER
 #include <wing.h>
 #endif
@@ -51,18 +62,18 @@
 #define CopyMemory memcpy
 #endif
 
+/* Stereo and parallel not tested for Mesa 4.0. */
 #if !defined(NO_STEREO)
-
 #include "gl\glu.h"
 #include "stereo.h"
-
 #endif
+
 #if !defined(NO_PARALLEL)
-  #include "parallel.h"
+#include "parallel.h"
 #endif
 
+/* File global varaibles */
 struct DISPLAY_OPTIONS displayOptions;
-
 GLenum stereoCompile = GL_FALSE ;
 GLenum stereoShowing  = GL_FALSE ;
 GLenum stereoBuffer = GL_FALSE;
@@ -71,61 +82,34 @@ GLint displayList = MAXIMUM_DISPLAY_LIST ;
 #endif
 GLint stereo_flag = 0 ;
 
-/* end of added code*/
-
 static PWMC Current = NULL;
 WMesaContext WC = NULL;
-#if 0
-#ifdef NDEBUG
-#define assert(ignore)  ((void) 0)
-#else
-void Mesa_Assert(void *Cond,void *File,unsigned Line)
-{
-    char Msg[512];
-    sprintf(Msg,"%s %s %d",Cond,File,Line);
-    MessageBox(NULL,Msg,"Assertion failed.",MB_OK);
-    exit(1);
-}
-#define assert(e)   if (!e) Mesa_Assert(#e,__FILE__,__LINE__);
-#endif
-#endif
-//#define DD_GETDC (Current->hDC )
+
+/* If we are double-buffering, we want to get the DC for the
+ * off-screen DIB, otherwise the DC for the window.
+ */
 #define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC )
-//#define DD_GETDC ((Current->db_flag) ? Current->hDCPrimary : Current->hDCBack )
 #define DD_RELEASEDC
 
-//#define BEGINGDICALL  if(Current->rgb_flag)wmFlushBits(Current);
-#define BEGINGDICALL
-//#define ENDGDICALL        if(Current->rgb_flag)wmGetBits(Current);
-#define ENDGDICALL
-
-//#define FLIP(Y)  (Current->dither_flag? Y : Current->height-(Y)-1)
-//#define FLIP(Y)  (Current->height-(Y)-1)
-//#define FLIP(Y) Y
-/*
- * XXX Why only flip Y coord if single buffered???
- */
-#define FLIP(Y)  (Current->db_flag? Y: Current->height-(Y)-1)
-#define STARTPROFILE
-#define ENDPROFILE(PARA)
+#define FLIP(Y)  (Current->height-(Y)-1)
 
 #define DITHER_RGB_TO_8BIT_SETUP            \
 GLubyte pixelDithered;
 
-#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline)               \
-{                                                                           \
-    char unsigned redtemp, greentemp, bluetemp, paletteindex;               \
-    redtemp = aDividedBy51[red]                                             \
-    + (aModulo51[red] > aHalftone8x8[(pixel%8)*8                        \
-    + scanline%8]);                                                 \
-    greentemp = aDividedBy51[(char unsigned)green]                          \
-    + (aModulo51[green] > aHalftone8x8[                             \
-    (pixel%8)*8 + scanline%8]);                                     \
-    bluetemp = aDividedBy51[(char unsigned)blue]                            \
-    + (aModulo51[blue] > aHalftone8x8[                              \
-    (pixel%8)*8 +scanline%8]);                                      \
-    paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp];       \
-    pixelDithered = aWinGHalftoneTranslation[paletteindex];                 \
+#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline)        \
+{                                                                    \
+    char unsigned redtemp, greentemp, bluetemp, paletteindex;        \
+    redtemp = aDividedBy51[red]                                      \
+    + (aModulo51[red] > aHalftone8x8[(pixel%8)*8                     \
+    + scanline%8]);                                                  \
+    greentemp = aDividedBy51[(char unsigned)green]                   \
+    + (aModulo51[green] > aHalftone8x8[                              \
+    (pixel%8)*8 + scanline%8]);                                      \
+    bluetemp = aDividedBy51[(char unsigned)blue]                     \
+    + (aModulo51[blue] > aHalftone8x8[                               \
+    (pixel%8)*8 +scanline%8]);                                       \
+    paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp];\
+    pixelDithered = aWinGHalftoneTranslation[paletteindex];          \
 }
 
 
@@ -138,185 +122,172 @@ static BOOL DDCreateOffScreen(WMesaContext wc);
 #endif
 
 static void FlushToFile(PWMC pwc, PSTR  szFile);
-
 BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize);
 BOOL wmDeleteBackingStore(PWMC pwc);
 void wmCreatePalette( PWMC pwdc );
 BOOL wmSetDibColors(PWMC pwc);
 void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b);
-
+BOOL wmFlush(PWMC pwc);
 void wmCreateDIBSection(
-                        HDC  hDC,
-                        PWMC pwc,   // handle of device context
-                        CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data
-                        UINT iUsage // color data type indicator: RGB values or palette indices
-                        );
-
-
+    HDC  hDC,
+    PWMC pwc,   // handle of device context
+    CONST BITMAPINFO *pbmi, // bitmap size, format, and color data
+    UINT iUsage // color data type indicator: RGB values or palette indices
+    );
 void WMesaViewport( GLcontext *ctx,
                     GLint x, GLint y, GLsizei width, GLsizei height );
 
 
-//static triangle_func choose_triangle_function( GLcontext *ctx );
-
-
 static void wmSetPixelFormat( PWMC wc, HDC hDC)
 {
-    if(wc->rgb_flag)
-        wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
+  if(wc->rgb_flag)
+    wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
+  else
+    wc->cColorBits = 8;
+  switch(wc->cColorBits){
+  case 8:
+    if(wc->dither_flag != GL_TRUE)
+      wc->pixelformat = PF_INDEX8;
     else
-        wc->cColorBits = 8;
-    switch(wc->cColorBits){
-    case 8:
-        if(wc->dither_flag != GL_TRUE)
-            wc->pixelformat = PF_INDEX8;
-        else
-            wc->pixelformat = PF_DITHER8;
-        break;
-    case 16:
-        wc->pixelformat = PF_5R6G5B;
-        break;
-    case 32:
-        wc->pixelformat = PF_8R8G8B;
-        break;
-    default:
-        wc->pixelformat = PF_BADFORMAT;
-    }
-}
-
-//
-// This function sets the color table of a DIB section
-// to match that of the destination DC
-//
-BOOL /*WINAPI*/ wmSetDibColors(PWMC pwc)
-{
-    RGBQUAD         *pColTab, *pRGB;
-    PALETTEENTRY    *pPal, *pPE;
-    int             i, nColors;
-    BOOL            bRet=TRUE;
-    DWORD           dwErr=0;
-
-    /* Build a color table in the DIB that maps to the
-    selected palette in the DC.
-    */
-    nColors = 1 << pwc->cColorBits;
-    pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY));
-    memset( pPal, 0, nColors * sizeof(PALETTEENTRY) );
-    GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal );
-    pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD));
-    for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) {
-        pRGB->rgbRed = pPE->peRed;
-        pRGB->rgbGreen = pPE->peGreen;
-        pRGB->rgbBlue = pPE->peBlue;
-    }
-    if(pwc->db_flag)
-        bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab );
-
-    if(!bRet)
-        dwErr = GetLastError();
-
-    free( pColTab );
-    free( pPal );
-
-    return(bRet);
-}
-
-
-//
-// Free up the dib section that was created
-//
-BOOL wmDeleteBackingStore(PWMC pwc)
-{
-    SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
-    DeleteDC(pwc->dib.hDC);
-    DeleteObject(pwc->hbmDIB);
-    UnmapViewOfFile(pwc->dib.base);
-    CloseHandle(pwc->dib.hFileMap);
-    return TRUE;
+      wc->pixelformat = PF_DITHER8;
+    break;
+  case 16:
+    wc->pixelformat = PF_5R6G5B;
+    break;
+  case 32:
+    wc->pixelformat = PF_8R8G8B;
+    break;
+  default:
+    wc->pixelformat = PF_BADFORMAT;
+  }
+}
+
+
+/* This function sets the color table of a DIB section
+ * to match that of the destination DC
+ */
+BOOL wmSetDibColors(PWMC pwc)
+{
+  RGBQUAD         *pColTab, *pRGB;
+  PALETTEENTRY    *pPal, *pPE;
+  int             i, nColors;
+  BOOL            bRet=TRUE;
+  DWORD           dwErr=0;
+  
+  /* Build a color table in the DIB that maps to the
+   *  selected palette in the DC.
+   */
+  nColors = 1 << pwc->cColorBits;
+  pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY));
+  memset( pPal, 0, nColors * sizeof(PALETTEENTRY) );
+  GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal );
+  pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD));
+  for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) {
+    pRGB->rgbRed = pPE->peRed;
+    pRGB->rgbGreen = pPE->peGreen;
+    pRGB->rgbBlue = pPE->peBlue;
+  }
+  if(pwc->db_flag)
+    bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab );
+  
+  if(!bRet)
+    dwErr = GetLastError();
+  
+  free( pColTab );
+  free( pPal );
+  
+  return bRet;
 }
 
 
-//
-// This function creates the DIB section that is used for combined
-// GL and GDI calls
-//
-BOOL /*WINAPI*/ wmCreateBackingStore(PWMC pwc, long lxSize, long lySize)
+/*
+ * Free up the dib section that was created
+ */
+BOOL wmDeleteBackingStore(PWMC pwc)
 {
-    HDC hdc = pwc->hDC;
-    LPBITMAPINFO pbmi = &(pwc->bmi);
-    int     iUsage;
-
-    pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
-    pbmi->bmiHeader.biWidth = lxSize;
-    pbmi->bmiHeader.biHeight= -lySize;
-    pbmi->bmiHeader.biPlanes = 1;
-    if(pwc->rgb_flag)
-        pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
-    else
-        pbmi->bmiHeader.biBitCount = 8;
-    pbmi->bmiHeader.biCompression = BI_RGB;
-    pbmi->bmiHeader.biSizeImage = 0;
-    pbmi->bmiHeader.biXPelsPerMeter = 0;
-    pbmi->bmiHeader.biYPelsPerMeter = 0;
-    pbmi->bmiHeader.biClrUsed = 0;
-    pbmi->bmiHeader.biClrImportant = 0;
-
-    iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS;
-
-    pwc->cColorBits = pbmi->bmiHeader.biBitCount;
-    pwc->ScanWidth = pwc->pitch = lxSize;
-
-    wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
-
-    if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
-        wmCreatePalette( pwc );
-        wmSetDibColors( pwc );
-    }
-    wmSetPixelFormat(pwc, pwc->hDC);
-    return(TRUE);
-
+  SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
+  DeleteDC(pwc->dib.hDC);
+  DeleteObject(pwc->hbmDIB);
+  UnmapViewOfFile(pwc->dib.base);
+  CloseHandle(pwc->dib.hFileMap);
+  return TRUE;
 }
 
 
-//
-// This function copies one scan line in a DIB section to another
-//
-BOOL WINAPI wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, UINT nBypp, UINT uiNewWidth, LPBYTE pBits)
-{
-    UINT uiScans = 0;
-    LPBYTE  pDest = pwc->pbPixels;
-    DWORD   dwNextScan = uiScanWidth;
-    DWORD   dwNewScan = uiNewWidth;
-    DWORD   dwScanWidth = (uiScanWidth * nBypp);
-
-    //
-    // We need to round up to the nearest DWORD
-    // and multiply by the number of bytes per
-    // pixel
-    //
-    dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3);
-    dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3);
-
-    for(uiScans = 0; uiScans < uiNumScans; uiScans++){
-        CopyMemory(pDest, pBits, dwScanWidth);
-        pBits += dwNextScan;
-        pDest += dwNewScan;
-    }
-
-    return(TRUE);
-
+/*
+ * This function creates the DIB section that is used for combined
+ * GL and GDI calls
+ */
+BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize)
+{
+  HDC hdc = pwc->hDC;
+  LPBITMAPINFO pbmi = &(pwc->bmi);
+  int     iUsage;
+  
+  pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+  pbmi->bmiHeader.biWidth = lxSize;
+  pbmi->bmiHeader.biHeight= -lySize;
+  pbmi->bmiHeader.biPlanes = 1;
+  if(pwc->rgb_flag)
+    pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
+  else
+    pbmi->bmiHeader.biBitCount = 8;
+  pbmi->bmiHeader.biCompression = BI_RGB;
+  pbmi->bmiHeader.biSizeImage = 0;
+  pbmi->bmiHeader.biXPelsPerMeter = 0;
+  pbmi->bmiHeader.biYPelsPerMeter = 0;
+  pbmi->bmiHeader.biClrUsed = 0;
+  pbmi->bmiHeader.biClrImportant = 0;
+  
+  iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS;
+
+  pwc->cColorBits = pbmi->bmiHeader.biBitCount;
+  pwc->ScanWidth = pwc->pitch = lxSize;
+  
+  wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
+  
+  if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
+    wmCreatePalette( pwc );
+    wmSetDibColors( pwc );
+  }
+  wmSetPixelFormat(pwc, pwc->hDC);
+  return TRUE;
 }
 
 
-BOOL wmFlush(PWMC pwc);
-
 /*
-* Useful macros:
-Modified from file osmesa.c
-*/
-
-
-#define PIXELADDR(X,Y)  ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* Current->ScanWidth + (X)*nBypp)
+ * This function copies one scan line in a DIB section to another
+ */
+BOOL wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, 
+			UINT nBypp, UINT uiNewWidth, LPBYTE pBits)
+{
+  UINT    uiScans = 0;
+  LPBYTE  pDest = pwc->pbPixels;
+  DWORD   dwNextScan = uiScanWidth;
+  DWORD   dwNewScan = uiNewWidth;
+  DWORD   dwScanWidth = (uiScanWidth * nBypp);
+  
+  /*
+   * We need to round up to the nearest DWORD
+   * and multiply by the number of bytes per
+   * pixel
+   */
+  dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3);
+  dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3);
+  
+  for(uiScans = 0; uiScans < uiNumScans; uiScans++){
+    CopyMemory(pDest, pBits, dwScanWidth);
+    pBits += dwNextScan;
+    pDest += dwNewScan;
+  }
+  return TRUE;
+}
+
+
+
+#define PIXELADDR(X,Y)  \
+  ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* \
+  Current->ScanWidth + (X)*nBypp)
 #define PIXELADDR1( X, Y )  \
 ((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X))
 #define PIXELADDR2( X, Y )  \
@@ -330,207 +301,185 @@ BYTE DITHER_RGB_2_8BIT( int r, int g, int b, int x, int y);
 /* Finish all pending operations and synchronize. */
 static void finish(GLcontext* ctx)
 {
-    /* No op */
+  /* No op */
 }
 
 
-//
-// We cache all gl draw routines until a flush is made
-//
 static void flush(GLcontext* ctx)
 {
-    STARTPROFILE
-        if((Current->rgb_flag /*&& !(Current->dib.fFlushed)*/&&!(Current->db_flag))
-            ||(!Current->rgb_flag))
-        {
-            wmFlush(Current);
-        }
-        ENDPROFILE(flush)
-
+  if((Current->rgb_flag &&!(Current->db_flag))
+     ||(!Current->rgb_flag))
+    {
+      wmFlush(Current);
+    }
+  
 }
 
 
 
 /*
-* Set the color index used to clear the color buffer.
-*/
+ * Set the color index used to clear the color buffer.
+ */
 static void clear_index(GLcontext* ctx, GLuint index)
 {
-    STARTPROFILE
-        Current->clearpixel = index;
-    ENDPROFILE(clear_index)
+  Current->clearpixel = index;
 }
 
 
 
 /*
-* Set the color used to clear the color buffer.
-*/
+ * Set the color used to clear the color buffer.
+ */
 static void clear_color( GLcontext* ctx, const GLchan color[4] )
 {
-    STARTPROFILE
-        Current->clearpixel = RGB(color[0], color[1], color[2]);
-    ENDPROFILE(clear_color)
+  Current->clearpixel = RGB(color[0], color[1], color[2]);
 }
 
 
 
 /*
-* Clear the specified region of the color buffer using the clear color
-* or index as specified by one of the two functions above.
-*/
-//static void clear(GLcontext* ctx,
-//                  GLboolean all,GLint x, GLint y, GLint width, GLint height )
-// TODO: I modified this function to match the prototype in
-//       dd.h. (swansma@geocities.com)
-
-static GLbitfield clear(GLcontext* ctx, GLbitfield mask,
-                  GLboolean all, GLint x, GLint y, GLint width, GLint height)
-{
-    DWORD   dwColor;
-    WORD    wColor;
-    BYTE    bColor;
-    LPDWORD lpdw = (LPDWORD)Current->pbPixels;
-    LPWORD  lpw = (LPWORD)Current->pbPixels;
-    LPBYTE  lpb = Current->pbPixels;
-    int     lines;
-
-    STARTPROFILE
-
-        if (all){
-            x=y=0;
-            width=Current->width;
-            height=Current->height;
-        }
-        if(Current->db_flag==GL_TRUE){
-            UINT    nBypp = Current->cColorBits / 8;
-            int     i = 0;
-            int     iSize = 0;
-
-            if(nBypp ==1 ){
-                /* Need rectification */
-                iSize = Current->width/4;
-                bColor  = BGR8(GetRValue(Current->clearpixel),
-                    GetGValue(Current->clearpixel),
-                    GetBValue(Current->clearpixel));
-                wColor  = MAKEWORD(bColor,bColor);
-                dwColor = MAKELONG(wColor, wColor);
-            }
-            if(nBypp == 2){
-                iSize = Current->width / 2;
-                wColor = BGR16(GetRValue(Current->clearpixel),
-                    GetGValue(Current->clearpixel),
-                    GetBValue(Current->clearpixel));
-                dwColor = MAKELONG(wColor, wColor);
-            }
-            else if(nBypp == 4){
-                iSize = Current->width;
-                dwColor = BGR32(GetRValue(Current->clearpixel),
-                    GetGValue(Current->clearpixel),
-                    GetBValue(Current->clearpixel));
-            }
-
-            while(i < iSize){
-                *lpdw = dwColor;
-                lpdw++;
-                i++;
-            }
-
-            //
-            // This is the 24bit case
-            //
-            if (nBypp == 3) {
-                iSize = Current->width *3/4;
-                dwColor = BGR24(GetRValue(Current->clearpixel),
-                    GetGValue(Current->clearpixel),
-                    GetBValue(Current->clearpixel));
-                while(i < iSize){
-                    *lpdw = dwColor;
-                    lpb += nBypp;
-                    lpdw = (LPDWORD)lpb;
-                    i++;
-                }
-            }
-
-            i = 0;
-            if (stereo_flag)
-               lines = height /2;
-            else
-               lines = height;
-            do {
-                memcpy(lpb, Current->pbPixels, iSize*4);
-                lpb += Current->ScanWidth;
-                i++;
-            }
-            while (i<lines-1);
-        }
-        else { // For single buffer
-            HDC DC=DD_GETDC;
-            HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
-            HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
-            HPEN Old_Pen=SelectObject(DC,Pen);
-            HBRUSH Old_Brush=SelectObject(DC,Brush);
-            Rectangle(DC,x,y,x+width,y+height);
-            SelectObject(DC,Old_Pen);
-            SelectObject(DC,Old_Brush);
-            DeleteObject(Pen);
-            DeleteObject(Brush);
-            DD_RELEASEDC;
-        }
-
-
-
-        ENDPROFILE(clear)
+ * Clear the specified region of the color buffer using the clear color
+ * or index as specified by one of the two functions above.
+ */
 
-		return mask;	// TODO: I doubt this is correct. dd.h doesn't explain what this should
-		                //       be...
+static clear(GLcontext* ctx, GLbitfield mask,
+	     GLboolean all, GLint x, GLint y, GLint width, GLint height)
+{
+  DWORD   dwColor;
+  WORD    wColor;
+  BYTE    bColor;
+  LPDWORD lpdw = (LPDWORD)Current->pbPixels;
+  LPWORD  lpw = (LPWORD)Current->pbPixels;
+  LPBYTE  lpb = Current->pbPixels;
+  int     lines;
+  
+  if (all){
+    x=y=0;
+    width=Current->width;
+    height=Current->height;
+  }
+  if(Current->db_flag==GL_TRUE){
+    UINT    nBypp = Current->cColorBits / 8;
+    int     i = 0;
+    int     iSize = 0;
+    
+    if(nBypp ==1 ){
+      /* Need rectification */
+      iSize = Current->width/4;
+      bColor  = BGR8(GetRValue(Current->clearpixel),
+		     GetGValue(Current->clearpixel),
+		     GetBValue(Current->clearpixel));
+      wColor  = MAKEWORD(bColor,bColor);
+      dwColor = MAKELONG(wColor, wColor);
+    }
+    if(nBypp == 2){
+      iSize = Current->width / 2;
+      wColor = BGR16(GetRValue(Current->clearpixel),
+		     GetGValue(Current->clearpixel),
+		     GetBValue(Current->clearpixel));
+      dwColor = MAKELONG(wColor, wColor);
+    }
+    else if(nBypp == 4){
+      iSize = Current->width;
+      dwColor = BGR32(GetRValue(Current->clearpixel),
+		      GetGValue(Current->clearpixel),
+		      GetBValue(Current->clearpixel));
+    }
+    
+    while(i < iSize){
+      *lpdw = dwColor;
+      lpdw++;
+      i++;
+    }
+    
+    /* This is the 24bit case */
+    if (nBypp == 3) {
+      iSize = Current->width *3/4;
+      dwColor = BGR24(GetRValue(Current->clearpixel),
+		      GetGValue(Current->clearpixel),
+		      GetBValue(Current->clearpixel));
+      while(i < iSize){
+	*lpdw = dwColor;
+	lpb += nBypp;
+	lpdw = (LPDWORD)lpb;
+	i++;
+      }
+    }
+    
+    i = 0;
+    if (stereo_flag)
+      lines = height /2;
+    else
+      lines = height;
+    do {
+      memcpy(lpb, Current->pbPixels, iSize*4);
+      lpb += Current->ScanWidth;
+      i++;
+    }
+    while (i<lines-1);
+  }
+  else { /* For single buffer */
+    HDC DC=DD_GETDC;
+    HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
+    HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
+    HPEN Old_Pen=SelectObject(DC,Pen);
+    HBRUSH Old_Brush=SelectObject(DC,Brush);
+    Rectangle(DC,x,y,x+width,y+height);
+    SelectObject(DC,Old_Pen);
+    SelectObject(DC,Old_Brush);
+    DeleteObject(Pen);
+    DeleteObject(Brush);
+    DD_RELEASEDC;
+  }
+ 
+  /* TODO need to check masks - see osmesa */
+  mask &= ~DD_FRONT_LEFT_BIT;
+  if (mask)
+    _swrast_Clear( ctx, mask, all, x, y, width, height );
+  
 }
 
 
 
 static void enable( GLcontext* ctx, GLenum pname, GLboolean enable )
 {
-   if (!Current)
-      return;
-
-   if (pname == GL_DITHER) {
-      if(enable == GL_FALSE){
-         Current->dither_flag = GL_FALSE;
-         if(Current->cColorBits == 8)
-            Current->pixelformat = PF_INDEX8;
-      }
-      else{
-         if (Current->rgb_flag && Current->cColorBits == 8){
-            Current->pixelformat = PF_DITHER8;
-            Current->dither_flag = GL_TRUE;
-         }
-         else
-            Current->dither_flag = GL_FALSE;
+  if (!Current)
+    return;
+  
+  if (pname == GL_DITHER) {
+    if(enable == GL_FALSE){
+      Current->dither_flag = GL_FALSE;
+      if(Current->cColorBits == 8)
+	Current->pixelformat = PF_INDEX8;
+    }
+    else{
+      if (Current->rgb_flag && Current->cColorBits == 8){
+	Current->pixelformat = PF_DITHER8;
+	Current->dither_flag = GL_TRUE;
       }
-   }
+      else
+	Current->dither_flag = GL_FALSE;
+    }
+  }
 }
 
-
-
 static GLboolean set_draw_buffer( GLcontext* ctx, GLenum mode )
 {
-   STARTPROFILE
-   /* TODO: this could be better */
-   if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) {
-      return GL_TRUE;
-   }
-   else {
-      return GL_FALSE;
-   }
-   ENDPROFILE(set_draw_buffer)
+  /* TODO: this could be better */
+  if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) {
+    return GL_TRUE;
+  }
+  else {
+    return GL_FALSE;
+  }
 }
 
 
 static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer,
                             GLenum buffer )
 {
-   /* XXX todo */
-   return;
+  /* XXX todo */
+  return;
 }
 
 
@@ -538,44 +487,43 @@ static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer,
 /* Return characteristics of the output buffer. */
 static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height )
 {
-   int New_Size;
-   RECT CR;
-
-   STARTPROFILE
-   GetClientRect(Current->Window,&CR);
-
+  int New_Size;
+  RECT CR;
+  
+  GetClientRect(Current->Window,&CR);
+  
    *width=CR.right;
    *height=CR.bottom;
-
+   
    New_Size=((*width)!=Current->width) || ((*height)!=Current->height);
-
+   
    if (New_Size){
-      Current->width=*width;
-      Current->height=*height;
-      Current->ScanWidth=Current->width;
-      if ((Current->ScanWidth%sizeof(long))!=0)
-         Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
-
-      if (Current->db_flag){
+     Current->width=*width;
+     Current->height=*height;
+     Current->ScanWidth=Current->width;
+     if ((Current->ScanWidth%sizeof(long))!=0)
+       Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
+     
+     if (Current->db_flag){
 #ifdef DDRAW
-         DDDeleteOffScreen(Current);
-         DDCreateOffScreen(Current);
+       DDDeleteOffScreen(Current);
+       DDCreateOffScreen(Current);
 #else
-         if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){
-            wmDeleteBackingStore(Current);
-            wmCreateBackingStore(Current, Current->width, Current->height);
-         }
+       if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){
+	 wmDeleteBackingStore(Current);
+	 wmCreateBackingStore(Current, Current->width, Current->height);
+       }
 #endif
-      }
-
-      //  Resize OsmesaBuffer if in Parallel mode
+     }
+     
+     /*  Resize OsmesaBuffer if in Parallel mode */
 #if !defined(NO_PARALLEL)
-      if(parallelFlag)
-         PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth,
-                            Current->rgb_flag == GL_TRUE ? Current->pbPixels: Current->ScreenMem);
+     if(parallelFlag)
+       PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth,
+			  Current->rgb_flag == GL_TRUE ? Current->pbPixels: 
+			  Current->ScreenMem);
 #endif
    }
-   ENDPROFILE(buffer_size)
 }
 
 
@@ -584,128 +532,25 @@ static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height )
 /*****           Accelerated point, line, polygon rendering       *****/
 /**********************************************************************/
 
+/* Accelerated routines are not implemented in 4.0. See OSMesa for ideas. */
 
 static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last )
 {
-#if 0
-    GLuint i;
-    //  HDC DC=DD_GETDC;
-    PWMC    pwc = Current;
-
-    STARTPROFILE
-
-        if (0 /*Current->gl_ctx->VB->MonoColor*/) {
-            /* all drawn with current color */
-            for (i=first;i<=last;i++) {
-                if (!Current->gl_ctx->VB->ClipMask[i]) {
-                    int x, y;
-                    x =       (GLint) Current->gl_ctx->VB->Win.data[i][0];
-                    y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] );
-                    wmSetPixel(pwc, y,x,GetRValue(Current->pixel),
-                        GetGValue(Current->pixel), GetBValue(Current->pixel));
-                }
-            }
-        }
-        else {
-            /* draw points of different colors */
-            for (i=first;i<=last;i++) {
-                if (!Current->gl_ctx->VB->ClipMask[i]) {
-                    int x, y;
-                    unsigned long pixel=RGB(Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0,
-                        Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0,
-                        Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0);
-                    x =       (GLint) Current->gl_ctx->VB->Win.data[i][0];
-                    y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] );
-                    wmSetPixel(pwc, y,x,Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0,
-                        Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0,
-                        Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0);
-                }
-            }
-        }
-        //   DD_RELEASEDC;
-        ENDPROFILE(fast_rgb_points)
-#endif
 }
 
-
-
-/* Return pointer to accerated points function */
-extern /*points_func*/ choose_points_function( GLcontext* ctx )
+/* Return pointer to accelerated points function */
+extern points_func choose_points_function( GLcontext* ctx )
 {
-#if 0
-    STARTPROFILE
-        if (ctx->Point.Size==1.0 && !ctx->Point.SmoothFlag && ctx->_RasterMask==0
-            && !ctx->Texture._ReallyEnabled  && ctx->Visual->RGBAflag) {
-            ENDPROFILE(choose_points_function)
-                return fast_rgb_points;
-        }
-        else {
-            ENDPROFILE(choose_points_function)
-                return NULL;
-        }
-#endif
+  return NULL;
 }
 
-
-
-/* Draw a line using the color specified by Current->gl_ctx->VB->ColorPtr->data[pv] */
-static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, GLuint v1, GLuint pv )
+static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, 
+				GLuint v1, GLuint pv )
 {
-#if 0
-    STARTPROFILE
-        int x0, y0, x1, y1;
-    unsigned long pixel;
-    HDC DC=DD_GETDC;
-    HPEN Pen;
-    HPEN Old_Pen;
-
-    if (0 /*Current->gl_ctx->VB->MonoColor*/) {
-        pixel = Current->pixel;  /* use current color */
-    }
-    else {
-        pixel = RGB(Current->gl_ctx->VB->ColorPtr->data[pv][0]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][1]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][2]*255.0);
-    }
-
-    x0 =       (int) Current->gl_ctx->VB->Win.data[v0][0];
-    y0 = FLIP( (int) Current->gl_ctx->VB->Win.data[v0][1] );
-    x1 =       (int) Current->gl_ctx->VB->Win.data[v1][0];
-    y1 = FLIP( (int) Current->gl_ctx->VB->Win.data[v1][1] );
-
-
-    BEGINGDICALL
-
-    Pen=CreatePen(PS_SOLID,1,pixel);
-    Old_Pen=SelectObject(DC,Pen);
-    MoveToEx(DC,x0,y0,NULL);
-    LineTo(DC,x1,y1);
-    SelectObject(DC,Old_Pen);
-    DeleteObject(Pen);
-    DD_RELEASEDC;
-
-    ENDGDICALL
-
-    ENDPROFILE(fast_flat_rgb_line)
-#endif
 }
 
-
-
-/* Return pointer to accerated line function */
-static /*line_func*/ choose_line_function( GLcontext* ctx )
+static line_func choose_line_function( GLcontext* ctx )
 {
-#if 0
-    STARTPROFILE
-    if (ctx->Line.Width==1.0 && !ctx->Line.SmoothFlag && !ctx->Line.StippleFlag
-        && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0
-        && !ctx->Texture._ReallyEnabled && Current->rgb_flag) {
-       ENDPROFILE(choose_line_function)
-       return fast_flat_rgb_line;
-    }
-    else {
-       ENDPROFILE(choose_line_function)
-       return NULL;
-    }
-#endif
 }
 
 
@@ -720,14 +565,12 @@ static void write_ci32_span( const GLcontext* ctx,
                              const GLuint index[],
                              const GLubyte mask[] )
 {
-    STARTPROFILE
-    GLuint i;
-    PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
-    assert(Current->rgb_flag==GL_FALSE);
-    for (i=0; i<n; i++)
-        if (mask[i])
-            Mem[i]=index[i];
-    ENDPROFILE(write_ci32_span)
+  GLuint i;
+  PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++)
+    if (mask[i])
+      Mem[i]=index[i];
 }
 
 
@@ -737,34 +580,30 @@ static void write_ci8_span( const GLcontext* ctx,
                             const GLubyte index[],
                             const GLubyte mask[] )
 {
-    STARTPROFILE
-    GLuint i;
-    PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
-    assert(Current->rgb_flag==GL_FALSE);
-    for (i=0; i<n; i++)
-        if (mask[i])
-            Mem[i]=index[i];
-    ENDPROFILE(write_ci8_span)
+  GLuint i;
+  PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++)
+    if (mask[i])
+      Mem[i]=index[i];
 }
 
 
 
 /*
-* Write a horizontal span of pixels with a boolean mask.  The current
-* color index is used for all pixels.
-*/
+ * Write a horizontal span of pixels with a boolean mask.  The current
+ * color index is used for all pixels.
+ */
 static void write_mono_ci_span(const GLcontext* ctx,
                                GLuint n,GLint x,GLint y,
                                GLuint colorIndex, const GLubyte mask[])
 {
-   STARTPROFILE
-   GLuint i;
-   BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
-   assert(Current->rgb_flag==GL_FALSE);
-   for (i=0; i<n; i++)
-      if (mask[i])
-         Mem[i]=colorIndex;
-   ENDPROFILE(write_mono_ci_span)
+  GLuint i;
+  BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++)
+    if (mask[i])
+      Mem[i]=colorIndex;
 }
 
 /*
@@ -776,42 +615,47 @@ static void write_mono_ci_span(const GLcontext* ctx,
 static void write_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
                              const GLubyte rgba[][4], const GLubyte mask[] )
 {
-    STARTPROFILE
-    PWMC    pwc = Current;
-
-    if (pwc->rgb_flag==GL_TRUE)
+  PWMC    pwc = Current;
+  
+  if (pwc->rgb_flag==GL_TRUE)
     {
-        GLuint i;
-        HDC DC=DD_GETDC;
-        y=FLIP(y);
-        if (mask) {
-            for (i=0; i<n; i++)
-                if (mask[i])
-                    wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
-        }
-        else {
-            for (i=0; i<n; i++)
-                wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
-        }
-        DD_RELEASEDC;
+      GLuint i;
+      HDC DC=DD_GETDC;
+      y=FLIP(y);
+      if (mask) {
+	for (i=0; i<n; i++)
+	  if (mask[i])
+	    wmSetPixel(pwc, y, x + i, 
+		       rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+      }
+      else {
+	for (i=0; i<n; i++)
+	  wmSetPixel(pwc, y, x + i, 
+		     rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
+      }
+      DD_RELEASEDC;
     }
-    else
+  else
     {
-        GLuint i;
-        BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
-        y = FLIP(y);
-        if (mask) {
-            for (i=0; i<n; i++)
-                if (mask[i])
-                    Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
-        }
-        else {
-            for (i=0; i<n; i++)
-                Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
-        }
+      GLuint i;
+      BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
+      y = FLIP(y);
+      if (mask) {
+	for (i=0; i<n; i++)
+	  if (mask[i])
+	    Mem[i] = GetNearestPaletteIndex(Current->hPal, 
+					    RGB(rgba[i][RCOMP], 
+						rgba[i][GCOMP], 
+						rgba[i][BCOMP]));
+      }
+      else {
+	for (i=0; i<n; i++)
+	  Mem[i] = GetNearestPaletteIndex(Current->hPal,
+					  RGB(rgba[i][RCOMP], 
+					      rgba[i][GCOMP], 
+					      rgba[i][BCOMP]));
+      }
     }
-    ENDPROFILE(write_rgba_span)
-
 }
 
 /* Write a horizontal span of RGB color pixels with a boolean mask. */
@@ -819,72 +663,74 @@ static void write_rgb_span( const GLcontext* ctx,
                             GLuint n, GLint x, GLint y,
                             const GLubyte rgb[][3], const GLubyte mask[] )
 {
-    STARTPROFILE
-    PWMC    pwc = Current;
-
-    if (pwc->rgb_flag==GL_TRUE)
+  PWMC    pwc = Current;
+  
+  if (pwc->rgb_flag==GL_TRUE)
     {
-        GLuint i;
-        HDC DC=DD_GETDC;
-        y=FLIP(y);
-        if (mask) {
-            for (i=0; i<n; i++)
-                if (mask[i])
-                    wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
-        }
-        else {
-            for (i=0; i<n; i++)
-                wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] );
-        }
-        DD_RELEASEDC;
+      GLuint i;
+      HDC DC=DD_GETDC;
+      y=FLIP(y);
+      if (mask) {
+	for (i=0; i<n; i++)
+	  if (mask[i])
+	    wmSetPixel(pwc, y, x + i, 
+		       rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
+      }
+      else {
+	for (i=0; i<n; i++)
+	  wmSetPixel(pwc, y, x + i, 
+		     rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] );
+      }
+      DD_RELEASEDC;
     }
-    else
+  else
     {
-        GLuint i;
-        BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
-        y = FLIP(y);
-        if (mask) {
-            for (i=0; i<n; i++)
-                if (mask[i])
-                    Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]));
-        }
-        else {
-            for (i=0; i<n; i++)
-                Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]));
-        }
+      GLuint i;
+      BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
+      y = FLIP(y);
+      if (mask) {
+	for (i=0; i<n; i++)
+	  if (mask[i])
+	    Mem[i] = GetNearestPaletteIndex(Current->hPal,
+					    RGB(rgb[i][RCOMP], 
+						rgb[i][GCOMP], 
+						rgb[i][BCOMP]));
+      }
+      else {
+	for (i=0; i<n; i++)
+	  Mem[i] = GetNearestPaletteIndex(Current->hPal,
+					  RGB(rgb[i][RCOMP], 
+					      rgb[i][GCOMP], 
+					      rgb[i][BCOMP]));
+      }
     }
-    ENDPROFILE(write_rgb_span)
-
 }
 
 /*
-* Write a horizontal span of pixels with a boolean mask.  The current color
-* is used for all pixels.
-*/
+ * Write a horizontal span of pixels with a boolean mask.  The current color
+ * is used for all pixels.
+ */
 static void write_mono_rgba_span( const GLcontext* ctx,
                                   GLuint n, GLint x, GLint y,
                                   const GLchan color[4], const GLubyte mask[])
 {
-    ULONG pixel =  RGB( color[RCOMP], color[GCOMP], color[BCOMP] );
-    STARTPROFILE
-    GLuint i;
-    HDC DC=DD_GETDC;
-    PWMC pwc = Current;
-    assert(Current->rgb_flag==GL_TRUE);
-    y=FLIP(y);
-    if(Current->rgb_flag==GL_TRUE){
-        for (i=0; i<n; i++)
-            if (mask[i])
-                // Trying
-                wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]);
-    }
-    else {
-        for (i=0; i<n; i++)
-            if (mask[i])
-                SetPixel(DC, y, x+i, pixel);
-    }
-    DD_RELEASEDC;
-    ENDPROFILE(write_mono_rgba_span)
+  ULONG pixel =  RGB( color[RCOMP], color[GCOMP], color[BCOMP] );
+  GLuint i;
+  HDC DC=DD_GETDC;
+  PWMC pwc = Current;
+  assert(Current->rgb_flag==GL_TRUE);
+  y=FLIP(y);
+  if(Current->rgb_flag==GL_TRUE){
+    for (i=0; i<n; i++)
+      if (mask[i])
+	wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]);
+  }
+  else {
+    for (i=0; i<n; i++)
+      if (mask[i])
+	SetPixel(DC, y, x+i, pixel);
+  }
+  DD_RELEASEDC;
 }
 
 
@@ -899,39 +745,35 @@ static void write_ci32_pixels( const GLcontext* ctx,
                                GLuint n, const GLint x[], const GLint y[],
                                const GLuint index[], const GLubyte mask[] )
 {
-   STARTPROFILE
-   GLuint i;
-   assert(Current->rgb_flag==GL_FALSE);
-   for (i=0; i<n; i++) {
-      if (mask[i]) {
-         BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
-         *Mem = index[i];
-      }
-   }
-   ENDPROFILE(write_ci32_pixels)
+  GLuint i;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++) {
+    if (mask[i]) {
+      BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
+      *Mem = index[i];
+    }
+  }
 }
 
 
 
 /*
-* Write an array of pixels with a boolean mask.  The current color
-* index is used for all pixels.
-*/
+ * Write an array of pixels with a boolean mask.  The current color
+ * index is used for all pixels.
+ */
 static void write_mono_ci_pixels( const GLcontext* ctx,
                                   GLuint n,
                                   const GLint x[], const GLint y[],
                                   GLuint colorIndex, const GLubyte mask[] )
 {
-   STARTPROFILE
-   GLuint i;
-   assert(Current->rgb_flag==GL_FALSE);
-   for (i=0; i<n; i++) {
-      if (mask[i]) {
-         BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
-         *Mem = colorIndex;
-      }
-   }
-   ENDPROFILE(write_mono_ci_pixels)
+  GLuint i;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++) {
+    if (mask[i]) {
+      BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
+      *Mem = colorIndex;
+    }
+  }
 }
 
 
@@ -941,42 +783,38 @@ static void write_rgba_pixels( const GLcontext* ctx,
                                GLuint n, const GLint x[], const GLint y[],
                                const GLubyte rgba[][4], const GLubyte mask[] )
 {
-    STARTPROFILE
-        GLuint i;
-    PWMC    pwc = Current;
-    HDC DC=DD_GETDC;
-    assert(Current->rgb_flag==GL_TRUE);
-    for (i=0; i<n; i++)
-       if (mask[i])
-          wmSetPixel(pwc, FLIP(y[i]), x[i],
-                     rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
-    DD_RELEASEDC;
-    ENDPROFILE(write_rgba_pixels)
+  GLuint i;
+  PWMC    pwc = Current;
+  HDC DC=DD_GETDC;
+  assert(Current->rgb_flag==GL_TRUE);
+  for (i=0; i<n; i++)
+    if (mask[i])
+      wmSetPixel(pwc, FLIP(y[i]), x[i],
+		 rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+  DD_RELEASEDC;
 }
 
 
 
 /*
-* Write an array of pixels with a boolean mask.  The current color
-* is used for all pixels.
-*/
+ * Write an array of pixels with a boolean mask.  The current color
+ * is used for all pixels.
+ */
 static void write_mono_rgba_pixels( const GLcontext* ctx,
                                     GLuint n,
                                     const GLint x[], const GLint y[],
                                     const GLchan color[4],
                                     const GLubyte mask[] )
 {
-    STARTPROFILE
-    GLuint i;
-    PWMC    pwc = Current;
-    HDC DC=DD_GETDC;
-    assert(Current->rgb_flag==GL_TRUE);
-    for (i=0; i<n; i++)
-        if (mask[i])
-            wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP],
-                       color[GCOMP], color[BCOMP]);
-    DD_RELEASEDC;
-    ENDPROFILE(write_mono_rgba_pixels)
+  GLuint i;
+  PWMC    pwc = Current;
+  HDC DC=DD_GETDC;
+  assert(Current->rgb_flag==GL_TRUE);
+  for (i=0; i<n; i++)
+    if (mask[i])
+      wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP],
+		 color[GCOMP], color[BCOMP]);
+  DD_RELEASEDC;
 }
 
 
@@ -990,13 +828,11 @@ static void write_mono_rgba_pixels( const GLcontext* ctx,
 static void read_ci32_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
                             GLuint index[])
 {
-   STARTPROFILE
-   GLuint i;
-   BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
-   assert(Current->rgb_flag==GL_FALSE);
-   for (i=0; i<n; i++)
-      index[i]=Mem[i];
-   ENDPROFILE(read_ci32_span)
+  GLuint i;
+  BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++)
+    index[i]=Mem[i];
 }
 
 
@@ -1007,15 +843,13 @@ static void read_ci32_pixels( const GLcontext* ctx,
                               GLuint n, const GLint x[], const GLint y[],
                               GLuint indx[], const GLubyte mask[] )
 {
-   STARTPROFILE
-   GLuint i;
-   assert(Current->rgb_flag==GL_FALSE);
-   for (i=0; i<n; i++) {
-      if (mask[i]) {
-         indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]);
-      }
-   }
-   ENDPROFILE(read_ci32_pixels)
+  GLuint i;
+  assert(Current->rgb_flag==GL_FALSE);
+  for (i=0; i<n; i++) {
+    if (mask[i]) {
+      indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]);
+    }
+  }
 }
 
 
@@ -1025,24 +859,19 @@ static void read_rgba_span( const GLcontext* ctx,
                             GLuint n, GLint x, GLint y,
                             GLubyte rgba[][4] )
 {
-   STARTPROFILE
-   UINT i;
-   COLORREF Color;
-   HDC DC=DD_GETDC;
-   assert(Current->rgb_flag==GL_TRUE);
-   /*   y=FLIP(y);*/
-   y = Current->height - y - 1;
-   for (i=0; i<n; i++) {
-      Color=GetPixel(DC,x+i,y);
-      rgba[i][RCOMP] = GetRValue(Color);
-      rgba[i][GCOMP] = GetGValue(Color);
-      rgba[i][BCOMP] = GetBValue(Color);
-      rgba[i][ACOMP] = 255;
-   }
-   DD_RELEASEDC;
-// Brian P. Has mentioned to comment this out.
-//   memset(alpha,0,n*sizeof(GLubyte));
-   ENDPROFILE(read_rgba_span)
+  UINT i;
+  COLORREF Color;
+  HDC DC=DD_GETDC;
+  assert(Current->rgb_flag==GL_TRUE);
+  y = Current->height - y - 1;
+  for (i=0; i<n; i++) {
+    Color=GetPixel(DC,x+i,y);
+    rgba[i][RCOMP] = GetRValue(Color);
+    rgba[i][GCOMP] = GetGValue(Color);
+    rgba[i][BCOMP] = GetBValue(Color);
+    rgba[i][ACOMP] = 255;
+  }
+  DD_RELEASEDC;
 }
 
 
@@ -1051,25 +880,21 @@ static void read_rgba_pixels( const GLcontext* ctx,
                               GLuint n, const GLint x[], const GLint y[],
                               GLubyte rgba[][4], const GLubyte mask[] )
 {
-   STARTPROFILE
-   GLuint i;
-   COLORREF Color;
-   HDC DC=DD_GETDC;
-   assert(Current->rgb_flag==GL_TRUE);
-   for (i=0; i<n; i++) {
-      if (mask[i]) {
-         GLint y2 = Current->height - y[i] - 1;
-         Color=GetPixel(DC,x[i],y2);
-         rgba[i][RCOMP] = GetRValue(Color);
-         rgba[i][GCOMP] = GetGValue(Color);
-         rgba[i][BCOMP] = GetBValue(Color);
-         rgba[i][ACOMP] = 255;
-      }
-   }
-   DD_RELEASEDC;
-// Brian P. has mentioned to comment this out.
-//   memset(alpha,0,n*sizeof(GLint));
-   ENDPROFILE(read_rgba_pixels)
+  GLuint i;
+  COLORREF Color;
+  HDC DC=DD_GETDC;
+  assert(Current->rgb_flag==GL_TRUE);
+  for (i=0; i<n; i++) {
+    if (mask[i]) {
+      GLint y2 = Current->height - y[i] - 1;
+      Color=GetPixel(DC,x[i],y2);
+      rgba[i][RCOMP] = GetRValue(Color);
+      rgba[i][GCOMP] = GetGValue(Color);
+      rgba[i][BCOMP] = GetBValue(Color);
+      rgba[i][ACOMP] = 255;
+    }
+  }
+  DD_RELEASEDC;
 }
 
 
@@ -1080,59 +905,101 @@ static void read_rgba_pixels( const GLcontext* ctx,
 
 static const GLubyte *get_string(GLcontext *ctx, GLenum name)
 {
-   if (name == GL_RENDERER) {
-      return (GLubyte *) "Mesa Windows";
-   }
-   else {
-      return NULL;
-   }
+  if (name == GL_RENDERER) {
+    return (GLubyte *) "Mesa Windows";
+  }
+  else {
+    return NULL;
+  }
 }
 
-
-
-void setup_DD_pointers( GLcontext* ctx )
+static void wmesa_update_state( GLcontext *ctx, GLuint new_state )
 {
-#if 0
-    ctx->Driver.GetString = get_string;
-    ctx->Driver.UpdateState = setup_DD_pointers;
-    ctx->Driver.GetBufferSize = buffer_size;
-    ctx->Driver.Finish = finish;
-    ctx->Driver.Flush = flush;
-
-    ctx->Driver.ClearIndex = clear_index;
-    ctx->Driver.ClearColor = clear_color;
-    ctx->Driver.Clear = clear;
-
-    ctx->Driver.Enable = enable;
-
-    ctx->Driver.SetDrawBuffer = set_draw_buffer;
-    ctx->Driver.SetReadBuffer = set_read_buffer;
-    ctx->Driver.GetBufferSize = buffer_size;
-
-    ctx->Driver.PointsFunc = choose_points_function(ctx);
-    ctx->Driver.LineFunc = choose_line_function(ctx);
-    ctx->Driver.TriangleFunc = choose_triangle_function( ctx );
-
-    /* Pixel/span writing functions: */
-	ctx->Driver.WriteRGBASpan        = write_rgba_span;
-    ctx->Driver.WriteRGBSpan         = write_rgb_span;
-    ctx->Driver.WriteMonoRGBASpan    = write_mono_rgba_span;
-    ctx->Driver.WriteRGBAPixels      = write_rgba_pixels;
-    ctx->Driver.WriteMonoRGBAPixels  = write_mono_rgba_pixels;
-    ctx->Driver.WriteCI32Span        = write_ci32_span;
-    ctx->Driver.WriteCI8Span         = write_ci8_span;
-    ctx->Driver.WriteMonoCISpan      = write_mono_ci_span;
-    ctx->Driver.WriteCI32Pixels      = write_ci32_pixels;
-    ctx->Driver.WriteMonoCIPixels    = write_mono_ci_pixels;
-
-    ctx->Driver.ReadCI32Span        = read_ci32_span;
-    ctx->Driver.ReadRGBASpan        = read_rgba_span;
-    ctx->Driver.ReadCI32Pixels      = read_ci32_pixels;
-    ctx->Driver.ReadRGBAPixels      = read_rgba_pixels;
-#endif
+  struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
+  TNLcontext *tnl = TNL_CONTEXT(ctx);
+  
+  /*
+   * XXX these function pointers could be initialized just once during
+   * context creation since they don't depend on any state changes.
+   * kws - This is true - this function gets called a lot and it
+   * would be good to minimize setting all this when not needed.
+   */
+  
+  ctx->Driver.GetString = get_string;
+  ctx->Driver.UpdateState = wmesa_update_state;
+  ctx->Driver.SetDrawBuffer = set_draw_buffer;
+  ctx->Driver.ResizeBuffersMESA = _swrast_alloc_buffers;
+  ctx->Driver.GetBufferSize = buffer_size;
+  
+  ctx->Driver.Accum = _swrast_Accum;
+  ctx->Driver.Bitmap = _swrast_Bitmap;
+  ctx->Driver.Clear = clear;
+  
+  ctx->Driver.Flush = flush;
+  ctx->Driver.ClearIndex = clear_index;
+  ctx->Driver.ClearColor = clear_color;
+  ctx->Driver.Enable = enable;
+  
+  ctx->Driver.CopyPixels = _swrast_CopyPixels;
+  ctx->Driver.DrawPixels = _swrast_DrawPixels;
+  ctx->Driver.ReadPixels = _swrast_ReadPixels;
+  
+  ctx->Driver.ChooseTextureFormat = _mesa_choose_tex_format;
+  ctx->Driver.TexImage1D = _mesa_store_teximage1d;
+  ctx->Driver.TexImage2D = _mesa_store_teximage2d;
+  ctx->Driver.TexImage3D = _mesa_store_teximage3d;
+  ctx->Driver.TexSubImage1D = _mesa_store_texsubimage1d;
+  ctx->Driver.TexSubImage2D = _mesa_store_texsubimage2d;
+  ctx->Driver.TexSubImage3D = _mesa_store_texsubimage3d;
+  ctx->Driver.TestProxyTexImage = _mesa_test_proxy_teximage;
+  
+  ctx->Driver.CopyTexImage1D = _swrast_copy_teximage1d;
+  ctx->Driver.CopyTexImage2D = _swrast_copy_teximage2d;
+  ctx->Driver.CopyTexSubImage1D = _swrast_copy_texsubimage1d;
+  ctx->Driver.CopyTexSubImage2D = _swrast_copy_texsubimage2d;
+  ctx->Driver.CopyTexSubImage3D = _swrast_copy_texsubimage3d;
+  ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
+  ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
+  ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
+  ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+  
+  ctx->Driver.BaseCompressedTexFormat = _mesa_base_compressed_texformat;
+  ctx->Driver.CompressedTextureSize = _mesa_compressed_texture_size;
+  ctx->Driver.GetCompressedTexImage = _mesa_get_compressed_teximage;
+  
+  
+  swdd->SetReadBuffer = set_read_buffer;
+  
+  
+  /* Pixel/span writing functions: */
+  swdd->WriteRGBASpan        = write_rgba_span;
+  swdd->WriteRGBSpan         = write_rgb_span;
+  swdd->WriteMonoRGBASpan    = write_mono_rgba_span;
+  swdd->WriteRGBAPixels      = write_rgba_pixels;
+  swdd->WriteMonoRGBAPixels  = write_mono_rgba_pixels;
+  swdd->WriteCI32Span        = write_ci32_span;
+  swdd->WriteCI8Span         = write_ci8_span;
+  swdd->WriteMonoCISpan      = write_mono_ci_span;
+  swdd->WriteCI32Pixels      = write_ci32_pixels;
+  swdd->WriteMonoCIPixels    = write_mono_ci_pixels;
+  
+  swdd->ReadCI32Span        = read_ci32_span;
+  swdd->ReadRGBASpan        = read_rgba_span;
+  swdd->ReadCI32Pixels      = read_ci32_pixels;
+  swdd->ReadRGBAPixels      = read_rgba_pixels;
+  
+  
+  tnl->Driver.RunPipeline = _tnl_run_pipeline;
+  
+  _swrast_InvalidateState( ctx, new_state );
+  _swsetup_InvalidateState( ctx, new_state );
+  _ac_InvalidateState( ctx, new_state );
+  _tnl_InvalidateState( ctx, new_state );
 }
 
 
+
+
 /**********************************************************************/
 /*****                  WMesa API Functions                       *****/
 /**********************************************************************/
@@ -1142,951 +1009,955 @@ void setup_DD_pointers( GLcontext* ctx )
 #define PAL_SIZE 256
 static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB)
 {
-    STARTPROFILE
-        int i;
-    HDC hdc;
-    struct
-    {
-        WORD Version;
-        WORD NumberOfEntries;
-        PALETTEENTRY aEntries[PAL_SIZE];
-    } Palette =
+  int i;
+  HDC hdc;
+  struct
+  {
+    WORD Version;
+    WORD NumberOfEntries;
+    PALETTEENTRY aEntries[PAL_SIZE];
+  } Palette =
     {
-        0x300,
-            PAL_SIZE
+      0x300,
+      PAL_SIZE
     };
-    hdc=GetDC(NULL);
-    if (Pal!=NULL)
-        GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries);
-    else
-        GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries);
-    if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC)
+  hdc=GetDC(NULL);
+  if (Pal!=NULL)
+    GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries);
+  else
+    GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries);
+  if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC)
     {
-        for(i = 0; i <PAL_SIZE; i++)
-            Palette.aEntries[i].peFlags = PC_RESERVED;
-        Palette.aEntries[255].peRed = 255;
-        Palette.aEntries[255].peGreen = 255;
-        Palette.aEntries[255].peBlue = 255;
-        Palette.aEntries[255].peFlags = 0;
-        Palette.aEntries[0].peRed = 0;
-        Palette.aEntries[0].peGreen = 0;
-        Palette.aEntries[0].peBlue = 0;
-        Palette.aEntries[0].peFlags = 0;
-    }
-    else
+      for(i = 0; i <PAL_SIZE; i++)
+	Palette.aEntries[i].peFlags = PC_RESERVED;
+      Palette.aEntries[255].peRed = 255;
+      Palette.aEntries[255].peGreen = 255;
+      Palette.aEntries[255].peBlue = 255;
+      Palette.aEntries[255].peFlags = 0;
+      Palette.aEntries[0].peRed = 0;
+      Palette.aEntries[0].peGreen = 0;
+      Palette.aEntries[0].peBlue = 0;
+      Palette.aEntries[0].peFlags = 0;
+    }
+  else
     {
-        int nStaticColors;
-        int nUsableColors;
-        nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2;
-        for (i=0; i<nStaticColors; i++)
-            Palette.aEntries[i].peFlags = 0;
-        nUsableColors = PAL_SIZE-nStaticColors;
-        for (; i<nUsableColors; i++)
-            Palette.aEntries[i].peFlags = PC_RESERVED;
-        for (; i<PAL_SIZE-nStaticColors; i++)
-            Palette.aEntries[i].peFlags = PC_RESERVED;
-        for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++)
-            Palette.aEntries[i].peFlags = 0;
-    }
-    ReleaseDC(NULL,hdc);
-    for (i=0; i<PAL_SIZE; i++)
+      int nStaticColors;
+      int nUsableColors;
+      nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2;
+      for (i=0; i<nStaticColors; i++)
+	Palette.aEntries[i].peFlags = 0;
+      nUsableColors = PAL_SIZE-nStaticColors;
+      for (; i<nUsableColors; i++)
+	Palette.aEntries[i].peFlags = PC_RESERVED;
+      for (; i<PAL_SIZE-nStaticColors; i++)
+	Palette.aEntries[i].peFlags = PC_RESERVED;
+      for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++)
+	Palette.aEntries[i].peFlags = 0;
+    }
+  ReleaseDC(NULL,hdc);
+  for (i=0; i<PAL_SIZE; i++)
     {
-        aRGB[i].rgbRed=Palette.aEntries[i].peRed;
-        aRGB[i].rgbGreen=Palette.aEntries[i].peGreen;
-        aRGB[i].rgbBlue=Palette.aEntries[i].peBlue;
-        aRGB[i].rgbReserved=Palette.aEntries[i].peFlags;
+      aRGB[i].rgbRed=Palette.aEntries[i].peRed;
+      aRGB[i].rgbGreen=Palette.aEntries[i].peGreen;
+      aRGB[i].rgbBlue=Palette.aEntries[i].peBlue;
+      aRGB[i].rgbReserved=Palette.aEntries[i].peFlags;
     }
-    ENDPROFILE(GetPalette)
 }
 
 
 WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal,
-                                GLboolean rgb_flag,
-                                GLboolean db_flag )
-{
-    RECT CR;
-    WMesaContext c;
-    GLboolean true_color_flag;
-    c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
-    if (!c)
-        return NULL;
-
-    c->Window=hWnd;
-    c->hDC = GetDC(hWnd);
-    true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8;
+				 GLboolean rgb_flag,
+				 GLboolean db_flag )
+{
+  RECT CR;
+  WMesaContext c;
+  GLboolean true_color_flag;
+  c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
+  if (!c)
+    return NULL;
+  
+  c->Window=hWnd;
+  c->hDC = GetDC(hWnd);
+  true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8;
 #ifdef DDRAW
-    if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE;
+  if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE;
 #endif
-
-
+  
+  
 #ifdef DITHER
-    if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){
-        c->dither_flag = GL_TRUE;
-        c->hPalHalfTone = WinGCreateHalftonePalette();
-    }
-    else
-        c->dither_flag = GL_FALSE;
-#else
+  if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){
+    c->dither_flag = GL_TRUE;
+    c->hPalHalfTone = WinGCreateHalftonePalette();
+  }
+  else
     c->dither_flag = GL_FALSE;
+#else
+  c->dither_flag = GL_FALSE;
 #endif
-
-
-    if (rgb_flag==GL_FALSE)
+  
+  
+  if (rgb_flag==GL_FALSE)
     {
-        c->rgb_flag = GL_FALSE;
-        //    c->pixel = 1;
-        c->db_flag = db_flag =GL_TRUE; // WinG requires double buffering
-        printf("Single buffer is not supported in color index mode, setting to double buffer.\n");
+      c->rgb_flag = GL_FALSE;
+#if 0
+      /* Old WinG stuff???? */
+      c->db_flag = db_flag =GL_TRUE; /* WinG requires double buffering */
+      printf("Single buffer is not supported in color index mode, ",
+	     "setting to double buffer.\n");
+#endif
     }
-    else
+  else
     {
-        c->rgb_flag = GL_TRUE;
-        //    c->pixel = 0;
+      c->rgb_flag = GL_TRUE;
     }
-    GetClientRect(c->Window,&CR);
-    c->width=CR.right;
-    c->height=CR.bottom;
-    if (db_flag)
+  GetClientRect(c->Window,&CR);
+  c->width=CR.right;
+  c->height=CR.bottom;
+  if (db_flag)
     {
-        c->db_flag = 1;
-        /* Double buffered */
+      c->db_flag = 1;
+      /* Double buffered */
 #ifndef DDRAW
-        //  if (c->rgb_flag==GL_TRUE && c->dither_flag != GL_TRUE )
-        {
-            wmCreateBackingStore(c, c->width, c->height);
-
-        }
+      {
+	wmCreateBackingStore(c, c->width, c->height);
+	
+      }
 #endif
     }
-    else
+  else
     {
-        /* Single Buffered */
-        if (c->rgb_flag)
-            c->db_flag = 0;
+      /* Single Buffered */
+      if (c->rgb_flag)
+	c->db_flag = 0;
     }
 #ifdef DDRAW
-    if (DDInit(c,hWnd) == GL_FALSE) {
-        free( (void *) c );
-        exit(1);
-    }
-#endif
-
-
-    c->gl_visual = _mesa_create_visual(rgb_flag,
-                                       db_flag,    /* db_flag */
-                                       GL_FALSE,   /* stereo */
-                                       8,8,8,8,    /* r, g, b, a bits */
-                                       0,          /* index bits */
-                                       16,         /* depth_bits */
-                                       8,          /* stencil_bits */
-                                       16,16,16,16,/* accum_bits */
-                                       1);
-
-    if (!c->gl_visual) {
-        return NULL;
-    }
-
-    /* allocate a new Mesa context */
-    c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE);
-
-    if (!c->gl_ctx) {
-        _mesa_destroy_visual( c->gl_visual );
-        free(c);
-        return NULL;
-    }
-
-    _mesa_enable_sw_extensions(c->gl_ctx);
-#if 0
-    c->gl_buffer = _mesa_create_framebuffer( c->gl_visual,
-                                          c->gl_visual->DepthBits > 0,
-                                          c->gl_visual->StencilBits > 0,
-                                          c->gl_visual->AccumRedBits > 0,
-					  c->gl_visual->AlphaBits > 0 );
+  if (DDInit(c,hWnd) == GL_FALSE) {
+    free( (void *) c );
+    exit(1);
+  }
 #endif
-    c->gl_buffer = NULL; /* TEMP */
-    if (!c->gl_buffer) {
-        _mesa_destroy_visual( c->gl_visual );
-        _mesa_destroy_context( c->gl_ctx );
-        free(c);
-        return NULL;
-    }
-
-    //  c->gl_ctx->Driver.UpdateState = setup_DD_pointers;
-
-    //  setup_DD_pointers(c->gl_ctx);
-
-    return c;
+  
+  
+  c->gl_visual = _mesa_create_visual(rgb_flag,
+				     db_flag,    /* db_flag */
+				     GL_FALSE,   /* stereo */
+				     8,8,8,8,    /* r, g, b, a bits */
+				     0,          /* index bits */
+				     16,         /* depth_bits */
+				     8,          /* stencil_bits */
+				     16,16,16,16,/* accum_bits */
+				     1);
+  
+  if (!c->gl_visual) {
+    return NULL;
+  }
+  
+  /* allocate a new Mesa context */
+  c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE);
+  
+  if (!c->gl_ctx) {
+    _mesa_destroy_visual( c->gl_visual );
+    free(c);
+    return NULL;
+  }
+  
+  if (!_mesa_initialize_context(c->gl_ctx,
+				c->gl_visual,
+				(GLcontext *) NULL,
+				(void *) c, GL_TRUE )) {
+    _mesa_destroy_visual( c->gl_visual );
+    free(c);
+    return NULL;
+  }
+  
+  
+  _mesa_enable_sw_extensions(c->gl_ctx);
+  _mesa_enable_1_3_extensions(c->gl_ctx);
+
+  c->gl_buffer = _mesa_create_framebuffer( c->gl_visual,
+					   c->gl_visual->depthBits > 0,
+					   c->gl_visual->stencilBits > 0,
+					   c->gl_visual->accumRedBits > 0,
+					   GL_FALSE /* s/w alpha */ );
+  if (!c->gl_buffer) {
+    _mesa_destroy_visual( c->gl_visual );
+    _mesa_free_context_data( c->gl_ctx );
+    free(c);
+    return NULL;
+  }
+  
+  /* Initialize the software rasterizer and helper modules.
+   */
+  {
+    GLcontext *ctx = c->gl_ctx;
+    
+    _swrast_CreateContext( ctx );
+    _ac_CreateContext( ctx );
+    _tnl_CreateContext( ctx );
+    _swsetup_CreateContext( ctx );
+    
+    _swsetup_Wakeup( ctx );
+  }
+  return c;
 }
 
 void WMesaDestroyContext( void )
 {
-    WMesaContext c = Current;
-    ReleaseDC(c->Window,c->hDC);
-    WC = c;
-    if(c->hPalHalfTone != NULL)
-        DeleteObject(c->hPalHalfTone);
-    _mesa_destroy_visual( c->gl_visual );
-    _mesa_destroy_framebuffer( c->gl_buffer );
-    _mesa_destroy_context( c->gl_ctx );
-
-    if (c->db_flag)
+  WMesaContext c = Current;
+  ReleaseDC(c->Window,c->hDC);
+  WC = c;
+  if(c->hPalHalfTone != NULL)
+    DeleteObject(c->hPalHalfTone);
+
+  _swsetup_DestroyContext( c->gl_ctx );
+  _tnl_DestroyContext( c->gl_ctx );
+  _ac_DestroyContext( c->gl_ctx );
+  _swrast_DestroyContext( c->gl_ctx );
+  
+  _mesa_destroy_visual( c->gl_visual );
+  _mesa_destroy_framebuffer( c->gl_buffer );
+  _mesa_free_context_data( c->gl_ctx );
+    
+  if (c->db_flag)
 #ifdef DDRAW
-        DDFree(c);
+    DDFree(c);
 #else
-    wmDeleteBackingStore(c);
+  wmDeleteBackingStore(c);
 #endif
-    free( (void *) c );
-    //Following code is added to enable parallel render
-    // Parallel render only work in double buffer mode
+  free( (void *) c );
 #if !defined(NO_PARALLEL)
-    if(parallelMachine)
-        PRDestroyRenderBuffer();
+  if(parallelMachine)
+    PRDestroyRenderBuffer();
 #endif
-    // End modification
 }
 
 
-
-void /*APIENTRY*/ WMesaMakeCurrent( WMesaContext c )
+void WMesaMakeCurrent( WMesaContext c )
 {
-    if(!c){
-        Current = c;
-        return;
-    }
-
-    //
-    // A little optimization
-    // If it already is current,
-    // don't set it again
-    //
-    if(Current == c)
-        return;
-
-    //gl_set_context( c->gl_ctx );
-    _mesa_make_current(c->gl_ctx, c->gl_buffer);
-    setup_DD_pointers(c->gl_ctx);
+  if(!c){
     Current = c;
-    if (Current->gl_ctx->Viewport.Width==0) {
-        /* initialize viewport to window size */
-        _mesa_set_viewport( Current->gl_ctx,
-            0, 0, Current->width, Current->height );
-    }
-    if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){
-        WMesaPaletteChange(c->hPalHalfTone);
-    }
+    return;
+  }
+  
+  if(Current == c)
+    return;
+  
+  wmesa_update_state(c->gl_ctx, 0);
+  _mesa_make_current(c->gl_ctx, c->gl_buffer);
+  Current = c;
+  if (Current->gl_ctx->Viewport.Width==0) {
+    /* initialize viewport to window size */
+    _mesa_Viewport( 0, 0, Current->width, Current->height );
+    Current->gl_ctx->Scissor.Width = Current->width;
+    Current->gl_ctx->Scissor.Height = Current->height;
+  }
+  if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){
+    WMesaPaletteChange(c->hPalHalfTone);
+  }
 }
 
 
 
-void /*APIENTRY*/ WMesaSwapBuffers( void )
+void WMesaSwapBuffers( void )
 {
-    HDC DC = Current->hDC;
-    GET_CURRENT_CONTEXT(ctx);
-
-    /* If we're swapping the buffer associated with the current context
-     * we have to flush any pending rendering commands first.
-    */
-    if (Current && Current->gl_ctx == ctx)
-       _mesa_swapbuffers(ctx);
-
-    if (Current->db_flag)
-        wmFlush(Current);
+  HDC DC = Current->hDC;
+  GET_CURRENT_CONTEXT(ctx);
+  
+  /* If we're swapping the buffer associated with the current context
+   * we have to flush any pending rendering commands first.
+   */
+  if (Current && Current->gl_ctx == ctx)
+    _mesa_swapbuffers(ctx);
+  
+  if (Current->db_flag)
+    wmFlush(Current);
 }
 
 
 
-void /*APIENTRY*/ WMesaPaletteChange(HPALETTE Pal)
+void WMesaPaletteChange(HPALETTE Pal)
 {
-    int vRet;
-    LPPALETTEENTRY pPal;
-    if (Current && (Current->rgb_flag==GL_FALSE || Current->dither_flag == GL_TRUE))
+  int vRet;
+  LPPALETTEENTRY pPal;
+  if (Current && (Current->rgb_flag==GL_FALSE || 
+		  Current->dither_flag == GL_TRUE))
     {
-        pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY));
-        Current->hPal=Pal;
-        //  GetPaletteEntries( Pal, 0, 256, pPal );
-        GetPalette( Pal, pPal );
+      pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY));
+      Current->hPal=Pal;
+      GetPaletteEntries( Pal, 0, 256, pPal );
 #ifdef DDRAW
-        Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT,
-            pPal, &(Current->lpDDPal), NULL);
-        if (Current->lpDDPal)
-            Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,Current->lpDDPal);
+      Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT,
+					   pPal, &(Current->lpDDPal), NULL);
+      if (Current->lpDDPal)
+	Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,
+						  Current->lpDDPal);
 #else
-        vRet = SetDIBColorTable(Current->dib.hDC,0,256,pPal);
+      vRet = SetDIBColorTable(Current->dib.hDC, 0, 256, (RGBQUAD*)pPal);
 #endif
-        free( pPal );
+      free( pPal );
     }
-
 }
 
 
 
 
 static unsigned char threeto8[8] = {
-    0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377
+  0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377
 };
 
 static unsigned char twoto8[4] = {
-    0, 0x55, 0xaa, 0xff
+  0, 0x55, 0xaa, 0xff
 };
 
 static unsigned char oneto8[2] = {
-    0, 255
+  0, 255
 };
 
 static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift)
 {
-    unsigned char val;
-
-    val = i >> shift;
-    switch (nbits) {
-
-    case 1:
-        val &= 0x1;
-        return oneto8[val];
-
-    case 2:
-        val &= 0x3;
-        return twoto8[val];
-
-    case 3:
-        val &= 0x7;
-        return threeto8[val];
-
-    default:
-        return 0;
-    }
-}
-
-void /*WINAPI*/ wmCreatePalette( PWMC pwdc )
-{
-    /* Create a compressed and re-expanded 3:3:2 palette */
-    int            i;
-    LOGPALETTE     *pPal;
-    BYTE           rb, rs, gb, gs, bb, bs;
-
-    pwdc->nColors = 0x100;
-
-    pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY));
-    memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
-
-    pPal->palVersion = 0x300;
-
-    rb = REDBITS;
-    rs = REDSHIFT;
-    gb = GREENBITS;
-    gs = GREENSHIFT;
-    bb = BLUEBITS;
-    bs = BLUESHIFT;
-
-    if (pwdc->db_flag) {
-
-        /* Need to make two palettes: one for the screen DC and one for the DIB. */
-        pPal->palNumEntries = pwdc->nColors;
-        for (i = 0; i < pwdc->nColors; i++) {
-            pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
-            pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
-            pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
-            pPal->palPalEntry[i].peFlags = 0;
-        }
-        pwdc->hGLPalette = CreatePalette( pPal );
-        pwdc->hPalette = CreatePalette( pPal );
-    }
-
-    else {
-        pPal->palNumEntries = pwdc->nColors;
-        for (i = 0; i < pwdc->nColors; i++) {
-            pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
-            pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
-            pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
-            pPal->palPalEntry[i].peFlags = 0;
-        }
-        pwdc->hGLPalette = CreatePalette( pPal );
-    }
-
-    free(pPal);
-
-}
-
-void /*WINAPI*/ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
-{
-    if (Current->db_flag) {
-        LPBYTE  lpb = pwc->pbPixels;
-        LPDWORD lpdw;
-        LPWORD  lpw;
-        UINT    nBypp = pwc->cColorBits >> 3;
-        UINT    nOffset = iPixel % nBypp;
-
-        // Move the pixel buffer pointer to the scanline that we
-        // want to access
-
-        //      pwc->dib.fFlushed = FALSE;
-
-        lpb += pwc->ScanWidth * iScanLine;
-        // Now move to the desired pixel
-        lpb += iPixel * nBypp;
-        lpb = PIXELADDR(iPixel, iScanLine);
-        lpdw = (LPDWORD)lpb;
-        lpw = (LPWORD)lpb;
-
-        if(nBypp == 1){
-            if(pwc->dither_flag)
-                *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
-            else
-                *lpb = BGR8(r,g,b);
-        }
-        else if(nBypp == 2)
-            *lpw = BGR16(r,g,b);
-        else if (nBypp == 3){
-            *lpdw = BGR24(r,g,b);
-        }
-        else if (nBypp == 4)
-            *lpdw = BGR32(r,g,b);
-    }
-    else{
-        SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
-        DD_RELEASEDC;
-    }
-}
-
-void /*WINAPI*/ wmCreateDIBSection(
-                                   HDC   hDC,
-                                   PWMC pwc,    // handle of device context
-                                   CONST BITMAPINFO *pbmi,  // address of structure containing bitmap size, format, and color data
-                                   UINT iUsage  // color data type indicator: RGB values or palette indices
-                                   )
-{
-    DWORD   dwSize = 0;
-    DWORD   dwScanWidth;
-    UINT    nBypp = pwc->cColorBits / 8;
-    HDC     hic;
-
-    dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
-
-    pwc->ScanWidth =pwc->pitch = dwScanWidth;
-
-    if (stereo_flag)
-        pwc->ScanWidth = 2* pwc->pitch;
-
-    dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
-
-    pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
-        NULL,
-        PAGE_READWRITE | SEC_COMMIT,
-        0,
-        dwSize,
-        NULL);
-
-    if (!pwc->dib.hFileMap)
-        return;
-
-    pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
-        FILE_MAP_ALL_ACCESS,
-        0,
-        0,
-        0);
-
-    if(!pwc->dib.base){
-        CloseHandle(pwc->dib.hFileMap);
-        return;
-    }
-
-    //  pwc->pbPixels = pwc->addrOffScreen = ((LPBYTE)pwc->dib.base) + sizeof(BITMAPINFO);
-
-    //  pwc->dib.hDC = CreateCompatibleDC(hDC);
-
-    CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
-
-    hic = CreateIC("display", NULL, NULL, NULL);
-    pwc->dib.hDC = CreateCompatibleDC(hic);
-
-
-    /*  pwc->hbmDIB = CreateDIBitmap(hic,
-    &(pwc->bmi.bmiHeader),
-    CBM_INIT,
-    pwc->pbPixels,
-    &(pwc->bmi),
-    DIB_RGB_COLORS);
-    */
-    pwc->hbmDIB = CreateDIBSection(hic,
-        &(pwc->bmi),
-        (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
-        &(pwc->pbPixels),
-        pwc->dib.hFileMap,
-        0);
-        /*
-        pwc->hbmDIB = CreateDIBSection(hic,
-        &(pwc->bmi),
-        DIB_RGB_COLORS,
-        &(pwc->pbPixels),
-        pwc->dib.hFileMap,
-        0);
-    */
-    pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
-    pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
-
-    DeleteDC(hic);
-
+  unsigned char val;
+  
+  val = i >> shift;
+  switch (nbits) {
+    
+  case 1:
+    val &= 0x1;
+    return oneto8[val];
+    
+  case 2:
+    val &= 0x3;
+    return twoto8[val];
+    
+  case 3:
+    val &= 0x7;
+    return threeto8[val];
+    
+  default:
+    return 0;
+  }
+}
+
+void wmCreatePalette( PWMC pwdc )
+{
+  /* Create a compressed and re-expanded 3:3:2 palette */
+  int            i;
+  LOGPALETTE     *pPal;
+  BYTE           rb, rs, gb, gs, bb, bs;
+  
+  pwdc->nColors = 0x100;
+  
+  pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + 
+			     pwdc->nColors * sizeof(PALETTEENTRY));
+  memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
+  
+  pPal->palVersion = 0x300;
+  
+  rb = REDBITS;
+  rs = REDSHIFT;
+  gb = GREENBITS;
+  gs = GREENSHIFT;
+  bb = BLUEBITS;
+  bs = BLUESHIFT;
+  
+  if (pwdc->db_flag) {
+    
+    /* Need to make two palettes: one for the screen DC and one for the DIB. */
+    pPal->palNumEntries = pwdc->nColors;
+    for (i = 0; i < pwdc->nColors; i++) {
+      pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
+      pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
+      pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
+      pPal->palPalEntry[i].peFlags = 0;
+    }
+    pwdc->hGLPalette = CreatePalette( pPal );
+    pwdc->hPalette = CreatePalette( pPal );
+  }
+  
+  else {
+    pPal->palNumEntries = pwdc->nColors;
+    for (i = 0; i < pwdc->nColors; i++) {
+      pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
+      pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
+      pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
+      pPal->palPalEntry[i].peFlags = 0;
+    }
+    pwdc->hGLPalette = CreatePalette( pPal );
+  }
+  
+  free(pPal);
+  
+}
+
+void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
+{
+  if (Current->db_flag) {
+    LPBYTE  lpb = pwc->pbPixels;
+    UINT    nBypp = pwc->cColorBits >> 3;
+    UINT    nOffset = iPixel % nBypp;
+    
+    lpb += pwc->ScanWidth * iScanLine;
+    lpb += iPixel * nBypp;
+    
+    if(nBypp == 1){
+      if(pwc->dither_flag)
+	*lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
+      else
+	*lpb = BGR8(r,g,b);
+    }
+    else if(nBypp == 2)
+      *((LPWORD)lpb) = BGR16(r,g,b);
+    else if (nBypp == 3)
+      *((LPDWORD)lpb) = BGR24(r,g,b);
+    else if (nBypp == 4)
+      *((LPDWORD)lpb) = BGR32(r,g,b);
+  }
+  else{
+    SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
+    DD_RELEASEDC;
+  }
+}
+
+void  wmCreateDIBSection(
+  HDC   hDC,
+  PWMC pwc,    // handle of device context
+  CONST BITMAPINFO *pbmi,  // bitmap size, format, and color data
+  UINT iUsage  // color data type indicator: RGB values or palette indices
+  )
+{
+  DWORD   dwSize = 0;
+  DWORD   dwScanWidth;
+  UINT    nBypp = pwc->cColorBits / 8;
+  HDC     hic;
+  
+  dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
+  
+  pwc->ScanWidth =pwc->pitch = dwScanWidth;
+  
+  if (stereo_flag)
+    pwc->ScanWidth = 2* pwc->pitch;
+  
+  dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
+  
+  pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
+					NULL,
+					PAGE_READWRITE | SEC_COMMIT,
+					0,
+					dwSize,
+					NULL);
+  
+  if (!pwc->dib.hFileMap)
     return;
-
+  
+  pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
+				FILE_MAP_ALL_ACCESS,
+				0,
+				0,
+				0);
+  
+  if(!pwc->dib.base){
+    CloseHandle(pwc->dib.hFileMap);
+    return;
+  }
+  
+
+  CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
+  
+  hic = CreateIC("display", NULL, NULL, NULL);
+  pwc->dib.hDC = CreateCompatibleDC(hic);
+  
+
+  pwc->hbmDIB = CreateDIBSection(hic,
+				 &(pwc->bmi),
+				 (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
+				 &(pwc->pbPixels),
+				 pwc->dib.hFileMap,
+				 0);
+  pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
+  pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
+  
+  DeleteDC(hic);
+  
+  return;
+  
 }
 
-//
-// Blit memory DC to screen DC
-//
-BOOL /*WINAPI*/ wmFlush(PWMC pwc)
+/*
+ * Blit memory DC to screen DC
+ */
+BOOL wmFlush(PWMC pwc)
 {
-    BOOL    bRet = 0;
-    DWORD   dwErr = 0;
+  BOOL    bRet = 0;
+  DWORD   dwErr = 0;
 #ifdef DDRAW
-    HRESULT             ddrval;
+  HRESULT             ddrval;
 #endif
-
-    // Now search through the torus frames and mark used colors
-    if(pwc->db_flag){
+  
+  if(pwc->db_flag){
 #ifdef DDRAW
-        if (pwc->lpDDSOffScreen == NULL)
-            if(DDCreateOffScreen(pwc) == GL_FALSE)
-                return;
-
-            pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL);
-
-            while( 1 )
-            {
-                ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary,
-                    &(pwc->rectSurface), pwc->lpDDSOffScreen, &(pwc->rectOffScreen), 0, NULL );
-
-                if( ddrval == DD_OK )
-                {
-                    break;
-                }
-                if( ddrval == DDERR_SURFACELOST )
-                {
-                    if(!DDRestoreAll(pwc))
-                    {
-                        break;
-                    }
-                }
-                if( ddrval != DDERR_WASSTILLDRAWING )
-                {
-                    break;
-                }
-            }
-
-            while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen,
-                NULL, &(pwc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING)
-                ;
-
-            if(ddrval != DD_OK)
-                dwErr = GetLastError();
+    if (pwc->lpDDSOffScreen == NULL)
+      if(DDCreateOffScreen(pwc) == GL_FALSE)
+	return;
+    
+    pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL);
+    
+    while( 1 )
+      {
+	ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary,
+						 &(pwc->rectSurface), 
+						 pwc->lpDDSOffScreen, 
+						 &(pwc->rectOffScreen), 
+						 0, NULL );
+	
+	if( ddrval == DD_OK )
+	  {
+	    break;
+	  }
+	if( ddrval == DDERR_SURFACELOST )
+	  {
+	    if(!DDRestoreAll(pwc))
+	      {
+		break;
+	      }
+	  }
+	if( ddrval != DDERR_WASSTILLDRAWING )
+	  {
+	    break;
+	  }
+      }
+    
+    while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen,
+					     NULL, &(pwc->ddsd), 0, NULL) == 
+	   DDERR_WASSTILLDRAWING)
+      ;
+    
+    if(ddrval != DD_OK)
+      dwErr = GetLastError();
 #else
-            bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height,
-                pwc->dib.hDC, 0, 0, SRCCOPY);
+    bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height,
+		  pwc->dib.hDC, 0, 0, SRCCOPY);
 #endif
-    }
-
-    return(TRUE);
-
+  }
+  
+  return(TRUE);
+  
 }
 
 
-// The following code is added by Li Wei to enable stereo display
+/* The following code is added by Li Wei to enable stereo display */
 
 #if !defined(NO_STEREO)
 
 void WMesaShowStereo(GLuint list)
 {
-
-    GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
-    GLfloat cm[16];
-    GLint matrix_mode;
-    // Must use double Buffer
-    if( ! Current-> db_flag )
-        return;
-
-
-    glGetIntegerv(GL_MATRIX_MODE,&matrix_mode);
-
-    //  glPushMatrix();  //****
-    WMesaViewport(Current->gl_ctx,0,Current->height/2,Current->width,Current->height/2);
-    //  Current->gl_ctx->NewState = 0;
-
-    //  glViewport(0,0,Current->width,Current->height/2);
-    if(matrix_mode!=GL_MODELVIEW)
-        glMatrixMode(GL_MODELVIEW);
-
-    glGetFloatv(GL_MODELVIEW_MATRIX,cm);
-    glLoadIdentity();
-    gluLookAt(viewDistance/2,0.0,0.0 ,
-        viewDistance/2,0.0,-1.0,
-        0.0,1.0,0.0 );
-    //  glTranslatef(viewDistance/2.0,0.,0.);
-    glMultMatrixf( cm );
-
-    Current->ScreenMem = Current->pbPixels = Current->addrOffScreen;
-    //glPushMatrix();
-    glCallList( list );
-    //glPopMatrix();
-
-    glGetFloatv(GL_MODELVIEW_MATRIX,cm);
-    glLoadIdentity();
-    gluLookAt(-viewDistance/2,0.0,0.0 ,
-        -viewDistance/2,0.0,-1.0,
-        0.0,1.0,0.0 );
-    //  glTranslatef(-viewDistance/2.0,0.,0.);
-    glMultMatrixf(cm);
-
-    Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch;
-    glCallList(list);
-    if(matrix_mode!=GL_MODELVIEW)
-        glMatrixMode(matrix_mode);
-
-    //  glPopMatrix();
-    glFlush();
-
-    WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height);
-    //  Current->gl_ctx->NewState = 0;
-    WMesaSwapBuffers();
-
+  
+  GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+  GLfloat cm[16];
+  GLint matrix_mode;
+  /* Must use double Buffer */
+  if( ! Current-> db_flag )
+    return;
+  
+  
+  glGetIntegerv(GL_MATRIX_MODE,&matrix_mode);
+  
+  WMesaViewport(Current->gl_ctx,0,Current->height/2,
+		Current->width,Current->height/2);
+  if(matrix_mode!=GL_MODELVIEW)
+    glMatrixMode(GL_MODELVIEW);
+  
+  glGetFloatv(GL_MODELVIEW_MATRIX,cm);
+  glLoadIdentity();
+  gluLookAt(viewDistance/2,0.0,0.0 ,
+	    viewDistance/2,0.0,-1.0,
+	    0.0,1.0,0.0 );
+  glMultMatrixf( cm );
+  
+  Current->ScreenMem = Current->pbPixels = Current->addrOffScreen;
+  glCallList( list );
+  
+  glGetFloatv(GL_MODELVIEW_MATRIX,cm);
+  glLoadIdentity();
+  gluLookAt(-viewDistance/2,0.0,0.0 ,
+	    -viewDistance/2,0.0,-1.0,
+	    0.0,1.0,0.0 );
+  glMultMatrixf(cm);
+  
+  Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch;
+  glCallList(list);
+  if(matrix_mode!=GL_MODELVIEW)
+    glMatrixMode(matrix_mode);
+  
+  glFlush();
+  
+  WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height);
+  WMesaSwapBuffers();
 }
 
 void toggleStereoMode()
 {
-    if(!Current->db_flag)
-        return;
-    if(!stereo_flag){
-        stereo_flag = 1;
-        if(stereoBuffer==GL_FALSE)
+  if(!Current->db_flag)
+    return;
+  if(!stereo_flag){
+    stereo_flag = 1;
+    if(stereoBuffer==GL_FALSE)
 #if !defined(NO_PARALLEL)
-            if(!parallelFlag)
+      if(!parallelFlag)
 #endif
-            {
-                Current->ScanWidth = Current->pitch*2;
-            }
-    }
-    else {
-        stereo_flag = 0;
+	{
+	  Current->ScanWidth = Current->pitch*2;
+	}
+  }
+  else {
+    stereo_flag = 0;
 #if !defined(NO_PARALLEL)
-        if(!parallelFlag)
+    if(!parallelFlag)
 #endif
-            Current->ScanWidth = Current->pitch;
-        Current->pbPixels = Current->addrOffScreen;
-    }
+      Current->ScanWidth = Current->pitch;
+    Current->pbPixels = Current->addrOffScreen;
+  }
 }
 
 /* if in stereo mode, the following function is called */
 void glShowStereo(GLuint list)
 {
-    WMesaShowStereo(list);
+  WMesaShowStereo(list);
 }
 
-#endif // End if NO_STEREO not defined
+#endif /* NO_STEREO */
 
 #if !defined(NO_PARALLEL)
 
 void toggleParallelMode(void)
 {
-    if(!parallelFlag){
-        parallelFlag = GL_TRUE;
-        if(parallelMachine==GL_FALSE){
-            PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX,
-                Current->cColorBits/8,
-                Current->width ,Current->height,
-                Current->ScanWidth,
-                Current->rgb_flag? Current->pbPixels: Current->ScreenMem);
-            parallelMachine = GL_TRUE;
-        }
-    }
-    else {
-        parallelFlag = GL_FALSE;
-        if(parallelMachine==GL_TRUE){
-            PRDestroyRenderBuffer();
-            parallelMachine=GL_FALSE;
-            ReadyForNextFrame = GL_TRUE;
-        }
-
-        /***********************************************
-        // Seems something wrong!!!!
-        ************************************************/
-
-        WMesaMakeCurrent(Current);
+  if(!parallelFlag){
+    parallelFlag = GL_TRUE;
+    if(parallelMachine==GL_FALSE){
+      PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX,
+			    Current->cColorBits/8,
+			    Current->width ,Current->height,
+			    Current->ScanWidth,
+			    Current->rgb_flag? Current->pbPixels: 
+			    Current->ScreenMem);
+      parallelMachine = GL_TRUE;
+    }
+  }
+  else {
+    parallelFlag = GL_FALSE;
+    if(parallelMachine==GL_TRUE){
+      PRDestroyRenderBuffer();
+      parallelMachine=GL_FALSE;
+      ReadyForNextFrame = GL_TRUE;
+    }
+    
+    /***********************************************
+     * Seems something wrong!!!!
+     ************************************************/
+    
+    WMesaMakeCurrent(Current);
 #if !defined(NO_STEREO)
-        stereo_flag = GL_FALSE ;
+    stereo_flag = GL_FALSE ;
 #endif
-    }
+  }
 }
 
 void PRShowRenderResult(void)
 {
-    int flag = 0;
-    if(!glImageRendered())
-        return;
-
-    if (parallelFlag)
+  int flag = 0;
+  if(!glImageRendered())
+    return;
+  
+  if (parallelFlag)
     {
-        WMesaSwapBuffers();
+      WMesaSwapBuffers();
     }
-
+  
 }
-#endif //End if NO_PARALLEL not defined
-
-//end modification
+#endif /* NO_PARALLEL */
 
 BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline)
 {
-    char unsigned redtemp, greentemp, bluetemp, paletteindex;
-
-    //*** now, look up each value in the halftone matrix
-    //*** using an 8x8 ordered dither.
-    redtemp = aDividedBy51[red]
-        + (aModulo51[red] > aHalftone8x8[(pixel%8)*8
-        + scanline%8]);
-    greentemp = aDividedBy51[(char unsigned)green]
-        + (aModulo51[green] > aHalftone8x8[
-        (pixel%8)*8 + scanline%8]);
-    bluetemp = aDividedBy51[(char unsigned)blue]
-        + (aModulo51[blue] > aHalftone8x8[
-        (pixel%8)*8 +scanline%8]);
-
-    //*** recombine the halftoned rgb values into a palette index
-    paletteindex =
-        redtemp + aTimes6[greentemp] + aTimes36[bluetemp];
-
-    //*** and translate through the wing halftone palette
-    //*** translation vector to give the correct value.
-    return aWinGHalftoneTranslation[paletteindex];
+  char unsigned redtemp, greentemp, bluetemp, paletteindex;
+  
+  //*** now, look up each value in the halftone matrix
+  //*** using an 8x8 ordered dither.
+  redtemp = aDividedBy51[red]
+    + (aModulo51[red] > aHalftone8x8[(pixel%8)*8
+				    + scanline%8]);
+  greentemp = aDividedBy51[(char unsigned)green]
+    + (aModulo51[green] > aHalftone8x8[
+      (pixel%8)*8 + scanline%8]);
+  bluetemp = aDividedBy51[(char unsigned)blue]
+    + (aModulo51[blue] > aHalftone8x8[
+      (pixel%8)*8 +scanline%8]);
+  
+  //*** recombine the halftoned rgb values into a palette index
+  paletteindex =
+    redtemp + aTimes6[greentemp] + aTimes36[bluetemp];
+  
+  //*** and translate through the wing halftone palette
+  //*** translation vector to give the correct value.
+  return aWinGHalftoneTranslation[paletteindex];
 }
 
 #ifdef DDRAW
 /*
-* restoreAll
-*
-* restore all lost objects
-*/
+ * restoreAll
+ *
+ * restore all lost objects
+ */
 HRESULT DDRestoreAll( WMesaContext wc )
 {
-    HRESULT     ddrval;
-
-    ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary);
-    if( ddrval == DD_OK )
+  HRESULT     ddrval;
+  
+  ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary);
+  if( ddrval == DD_OK )
     {
-        ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen);
+      ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen);
     }
-    return ddrval;
-
+  return ddrval;
+  
 } /* restoreAll */
 
 
-  /*
-  * This function is called if the initialization function fails
-*/
+/*
+ * This function is called if the initialization function fails
+ */
 BOOL initFail( HWND hwnd, WMesaContext wc )
 {
-    DDFree(wc);
-    MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK );
-    return FALSE;
-
+  DDFree(wc);
+  MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK );
+  return FALSE;
+  
 } /* initFail */
 
 
 static void DDDeleteOffScreen(WMesaContext wc)
 {
-    if( wc->lpDDSOffScreen != NULL )
+  if( wc->lpDDSOffScreen != NULL )
     {
-        wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL);
-        wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen);
-        wc->lpDDSOffScreen = NULL;
+      wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL);
+      wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen);
+      wc->lpDDSOffScreen = NULL;
     }
-
+  
 }
 
 static void DDFreePrimarySurface(WMesaContext wc)
 {
-    if( wc->lpDDSPrimary != NULL )
+  if( wc->lpDDSPrimary != NULL )
     {
-        if(wc->db_flag == GL_FALSE)
-            wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC);
-        wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary);
-        wc->lpDDSPrimary = NULL;
+      if(wc->db_flag == GL_FALSE)
+	wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC);
+      wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary);
+      wc->lpDDSPrimary = NULL;
     }
 }
 
 static BOOL DDCreatePrimarySurface(WMesaContext wc)
 {
-    HRESULT ddrval;
-    DDSCAPS             ddscaps;
-    wc->ddsd.dwSize = sizeof( wc->ddsd );
-    wc->ddsd.dwFlags = DDSD_CAPS;
-    wc->ddsd.ddsCaps.dwCaps =   DDSCAPS_PRIMARYSURFACE;
-
-    ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), &(wc->lpDDSPrimary), NULL );
-    if( ddrval != DD_OK )
+  HRESULT ddrval;
+  DDSCAPS             ddscaps;
+  wc->ddsd.dwSize = sizeof( wc->ddsd );
+  wc->ddsd.dwFlags = DDSD_CAPS;
+  wc->ddsd.ddsCaps.dwCaps =   DDSCAPS_PRIMARYSURFACE;
+  
+  ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), 
+					    &(wc->lpDDSPrimary), NULL );
+  if( ddrval != DD_OK )
     {
-        return initFail(wc->hwnd , wc);
+      return initFail(wc->hwnd , wc);
     }
-    if(wc->db_flag == GL_FALSE)
-        wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC);
-    return TRUE;
+  if(wc->db_flag == GL_FALSE)
+    wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC);
+  return TRUE;
 }
 
 static BOOL DDCreateOffScreen(WMesaContext wc)
 {
-    POINT   pt;
-    HRESULT     ddrval;
-    if(wc->lpDD == NULL)
-        return FALSE;
-    GetClientRect( wc->hwnd, &(wc->rectOffScreen) );
-    wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
-    wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
-    wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top;
-    wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left;
-
-    ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), &(wc->lpDDSOffScreen), NULL );
-    if( ddrval != DD_OK )
+  POINT   pt;
+  HRESULT     ddrval;
+  if(wc->lpDD == NULL)
+    return FALSE;
+  GetClientRect( wc->hwnd, &(wc->rectOffScreen) );
+  wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
+  wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
+  wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top;
+  wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left;
+  
+  ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), 
+					    &(wc->lpDDSOffScreen), NULL );
+  if( ddrval != DD_OK )
     {
-        return FALSE;
+      return FALSE;
     }
-
-    while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING)
-        ;
-    //  while ((ddrval = wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), DDLOCK_SURFACEMEMORYPTR , NULL)) != DD_OK)
+  
+  while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, 
+					  &(wc->ddsd), 0, NULL) == 
+	 DDERR_WASSTILLDRAWING)
     ;
-    if(wc->ddsd.lpSurface==NULL)
-        return initFail(wc->hwnd, wc);
-
-    wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = (PBYTE)(wc->ddsd.lpSurface);
-    wc->ScanWidth = wc->pitch = wc->ddsd.lPitch;
-    if (stereo_flag)
-        wc->ScanWidth = wc->ddsd.lPitch*2;
-
-    GetClientRect( wc->hwnd, &(wc->rectSurface) );
-    pt.x = pt.y = 0;
-    ClientToScreen( wc->hwnd, &pt );
-    OffsetRect(&(wc->rectSurface), pt.x, pt.y);
-    wmSetPixelFormat(wc, wc->hDC);
-    return TRUE;
+  
+  if(wc->ddsd.lpSurface==NULL)
+    return initFail(wc->hwnd, wc);
+  
+  wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = 
+    (PBYTE)(wc->ddsd.lpSurface);
+  wc->ScanWidth = wc->pitch = wc->ddsd.lPitch;
+  if (stereo_flag)
+    wc->ScanWidth = wc->ddsd.lPitch*2;
+  
+  GetClientRect( wc->hwnd, &(wc->rectSurface) );
+  pt.x = pt.y = 0;
+  ClientToScreen( wc->hwnd, &pt );
+  OffsetRect(&(wc->rectSurface), pt.x, pt.y);
+  wmSetPixelFormat(wc, wc->hDC);
+  return TRUE;
 }
 
 /*
-* doInit - do work required for every instance of the application:
-*                create the window, initialize data
-*/
+ * doInit - do work required for every instance of the application:
+ *                create the window, initialize data
+ */
 static BOOL DDInit( WMesaContext wc, HWND hwnd)
 {
-    HRESULT             ddrval;
-    DWORD dwFrequency;
-
-    LPDIRECTDRAW            lpDD;           // DirectDraw object
-    LPDIRECTDRAW2            lpDD2;
-
-
-    wc->fullScreen = displayOptions.fullScreen;
-    wc->gMode = displayOptions.mode;
-    wc->hwnd = hwnd;
-    stereo_flag = displayOptions.stereo;
-    if(wc->db_flag!= GL_TRUE)
-        stereo_flag = GL_FALSE;
-        /*
-        * create the main DirectDraw object
-    */
-    ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL );
-    if( ddrval != DD_OK )
+  HRESULT             ddrval;
+  DWORD dwFrequency;
+  
+  LPDIRECTDRAW            lpDD;           // DirectDraw object
+  LPDIRECTDRAW2            lpDD2;
+  
+  
+  wc->fullScreen = displayOptions.fullScreen;
+  wc->gMode = displayOptions.mode;
+  wc->hwnd = hwnd;
+  stereo_flag = displayOptions.stereo;
+  if(wc->db_flag!= GL_TRUE)
+    stereo_flag = GL_FALSE;
+  /*
+   * create the main DirectDraw object
+   */
+  ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL );
+  if( ddrval != DD_OK )
     {
-        return initFail(hwnd,wc);
+      return initFail(hwnd,wc);
     }
-
-    // Get exclusive mode if requested
-    if(wc->fullScreen)
+  
+  // Get exclusive mode if requested
+  if(wc->fullScreen)
     {
-        ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN );
+      ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, 
+						      DDSCL_EXCLUSIVE | 
+						      DDSCL_FULLSCREEN );
     }
-    else
+  else
     {
-        ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_NORMAL );
+      ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, 
+						      DDSCL_NORMAL );
     }
-    if( ddrval != DD_OK )
+  if( ddrval != DD_OK )
     {
-        return initFail(hwnd , wc);
-    }
-
-
-    /*  ddrval = wc->lpDD->lpVtbl->QueryInterface(wc->lpDD, IID_IDirectDraw2,
-    (LPVOID *)((wc->lpDD2)));
-
-    */
-    if(ddrval != DD_OK)
-        return initFail(hwnd , wc);
-
-
-    //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd));
-    //  wc->lpDD2->lpVtbl->GetMonitorFrequency(wc->lpDD, &dwFrequency);
-    switch( wc->gMode )
+      return initFail(hwnd , wc);
+    }
+  
+  
+  if(ddrval != DD_OK)
+    return initFail(hwnd , wc);
+  
+  
+  switch( wc->gMode )
     {
-    case 1:  ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, displayOptions.bpp); break;
-    case 2:  ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, displayOptions.bpp); break;
-    case 3:  ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, displayOptions.bpp); break;
-    case 4:  ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, displayOptions.bpp); break;
-    case 5:  ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, displayOptions.bpp); break;
-    }
-
-    if( ddrval != DD_OK )
+    case 1:  
+      ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, 
+						 displayOptions.bpp); 
+      break;
+    case 2:  
+      ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, 
+						 displayOptions.bpp); 
+      break;
+    case 3:  
+      ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, 
+						 displayOptions.bpp); 
+      break;
+    case 4:  
+      ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, 
+						 displayOptions.bpp); 
+      break;
+    case 5:  
+      ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, 
+						 displayOptions.bpp); 
+      break;
+    }
+
+  if( ddrval != DD_OK )
     {
-        printf("Can't modify display mode, current mode used\n");
-        //        return initFail(hwnd , wc);
-    }
-    //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd));
-    switch(ddrval){
-    case DDERR_INVALIDOBJECT:
-        break;
-    case DDERR_INVALIDPARAMS:
-        break;
-    case DDERR_UNSUPPORTEDMODE:
-        ;
-    }
-
-    if(DDCreatePrimarySurface(wc) == GL_FALSE)
-        return initFail(hwnd, wc);
-
-    if(wc->db_flag)
-        return DDCreateOffScreen(wc);
+      printf("Can't modify display mode, current mode used\n");
+    }
+  switch(ddrval){
+  case DDERR_INVALIDOBJECT:
+    break;
+  case DDERR_INVALIDPARAMS:
+    break;
+  case DDERR_UNSUPPORTEDMODE:
+    ;
+  }
+  
+  if(DDCreatePrimarySurface(wc) == GL_FALSE)
+    return initFail(hwnd, wc);
+  
+  if(wc->db_flag)
+    return DDCreateOffScreen(wc);
 } /* DDInit */
 
 static void DDFree( WMesaContext wc)
 {
-    if( wc->lpDD != NULL )
+  if( wc->lpDD != NULL )
     {
-        DDFreePrimarySurface(wc);
-        DDDeleteOffScreen(wc);
-        wc->lpDD->lpVtbl->Release(wc->lpDD);
-        wc->lpDD = NULL;
+      DDFreePrimarySurface(wc);
+      DDDeleteOffScreen(wc);
+      wc->lpDD->lpVtbl->Release(wc->lpDD);
+      wc->lpDD = NULL;
     }
-    // Clean up the screen on exit
-    RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE |
-        RDW_ALLCHILDREN );
-
+  // Clean up the screen on exit
+  RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE |
+		RDW_ALLCHILDREN );
+  
 }
 #endif
 
 void WMesaMove(void)
 {
-    WMesaContext wc = Current;
-    POINT   pt;
-    if (Current != NULL){
-        GetClientRect( wc->hwnd, &(wc->rectSurface) );
-        pt.x = pt.y = 0;
-        ClientToScreen( wc->hwnd, &pt );
-        OffsetRect(&(wc->rectSurface), pt.x, pt.y);
-    }
+  WMesaContext wc = Current;
+  POINT   pt;
+  if (Current != NULL){
+    GetClientRect( wc->hwnd, &(wc->rectSurface) );
+    pt.x = pt.y = 0;
+    ClientToScreen( wc->hwnd, &pt );
+    OffsetRect(&(wc->rectSurface), pt.x, pt.y);
+  }
 }
 
 
+/************************************************
+ * Mesa 4.0 - These triangle rasterizers are not
+ * implemented in this version of the Windows
+ * driver.  They could be implemented for a
+ * potential performance improvement.
+ * See OSMesa for an example of the approach
+ * to use.
+ * This old code is left in this file in case
+ * it is useful.  However, it may end up looking
+ * a lot more like the OSMesa code.
+ ************************************************/
+
+
+#if 0
+
 
 /*
-* Like PACK_8A8B8G8R() but don't use alpha.  This is usually an acceptable
-* shortcut.
-*/
+ * Like PACK_8A8B8G8R() but don't use alpha.  This is usually an acceptable
+ * shortcut.
+ */
 #define PACK_8B8G8R( R, G, B )   ( ((B) << 16) | ((G) << 8) | (R) )
 
-#if 0
 /**********************************************************************/
 /***                   Triangle rendering                            ***/
 /**********************************************************************/
@@ -2847,9 +2718,9 @@ static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
 }
 
 #endif
+/************** END DEAD TRIANGLE CODE ***********************/
 
-
-static /*triangle_func*/ choose_triangle_function( GLcontext *ctx )
+static triangle_func choose_triangle_function( GLcontext *ctx )
 {
 #if 0
     WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
@@ -2943,29 +2814,30 @@ static /*triangle_func*/ choose_triangle_function( GLcontext *ctx )
 }
 
 /*
-* Define a new viewport and reallocate auxillary buffers if the size of
-* the window (color buffer) has changed.
-*/
+ * Define a new viewport and reallocate auxillary buffers if the size of
+ * the window (color buffer) has changed.
+ */
 void WMesaViewport( GLcontext *ctx,
-                   GLint x, GLint y, GLsizei width, GLsizei height )
+		    GLint x, GLint y, GLsizei width, GLsizei height )
 {
+  assert(0);  /* I don't think that this is being used. */
 #if 0
-    /* Save viewport */
-    ctx->Viewport.X = x;
-    ctx->Viewport.Width = width;
-    ctx->Viewport.Y = y;
-    ctx->Viewport.Height = height;
-
-    /* compute scale and bias values */
+  /* Save viewport */
+  ctx->Viewport.X = x;
+  ctx->Viewport.Width = width;
+  ctx->Viewport.Y = y;
+  ctx->Viewport.Height = height;
+  
+  /* compute scale and bias values */
 /* Pre-Keith 3.1 changes
-    ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F;
-    ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x;
-    ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F;
-    ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y;
+   ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F;
+   ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x;
+   ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F;
+   ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y;
 */
-	ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F;
-	ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x;
-	ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F;
-	ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y;
+  ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F;
+  ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x;
+  ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F;
+  ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y;
 #endif
 }