Fixes for 24-bit Windows devices. The old code was trying to do 3-byte

stores with a full DWORD store (yuk).  (Jeff Lewis)

diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c
index 692bf6293940ab11c72f9ad7df2ad935a6f25333..47edef993e68a2ba6828724525ac14af34a29ab0 100644 (file)
--- a/src/mesa/drivers/windows/wmesa.c
+++ b/src/mesa/drivers/windows/wmesa.c
@@ -1,4 +1,4 @@
-/* $Id: wmesa.c,v 1.24 2002/01/15 18:14:34 kschultz Exp $ */
+/* $Id: wmesa.c,v 1.25 2002/01/16 15:42:17 kschultz Exp $ */
 
 /*
  * Windows (Win32) device driver for Mesa 3.4
@@ -474,9 +474,9 @@ static clear(GLcontext* ctx, GLbitfield mask,
       b = GetBValue(Current->clearpixel); 
       iSize = Current->width; 
       while (i < iSize) { 
-        *lpb++ = r; 
-        *lpb++ = g; 
         *lpb++ = b; 
+        *lpb++ = g; 
+        *lpb++ = r; 
         i++; 
       } 
       lpb = Current->pbPixels + Current->ScanWidth; 
@@ -1616,7 +1616,11 @@ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
                else if(nBypp == 2)
                        *((LPWORD)lpb) = BGR16(r,g,b);
                else if (nBypp == 3)
-                       *((LPDWORD)lpb) = BGR24(r,g,b);
+                       {
+                       *lpb++ = b;
+                       *lpb++ = g;
+                       *lpb   = r;
+                       }
                else if (nBypp == 4)
                        *((LPDWORD)lpb) = BGR32(r,g,b);
        }
@@ -1638,7 +1642,9 @@ void wmSetPixel4(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
 void wmSetPixel3(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
 {
        LPBYTE  lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel;
-       *((LPDWORD)lpb) = BGR24(r,g,b);
+       *lpb++ = b;
+       *lpb++ = g;
+       *lpb   = r;
 }
 
 void wmSetPixel2(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)