xserver/hw/xgl xgl.h, 1.2, 1.3 xglgc.c, 1.2, 1.3 xglpixel.c, 1.1, 1.2 xglpixmap.c, 1.2, 1.3

Committed by: davidr

Update of /cvs/xserver/xserver/hw/xgl
In directory gabe:/tmp/cvs-serv8048/hw/xgl

Modified Files:
	xgl.h xglgc.c xglpixel.c xglpixmap.c 
Log Message:
Use negative strides in Xgl if pixel data have bottom-top scanline order

Index: xgl.h
===================================================================
RCS file: /cvs/xserver/xserver/hw/xgl/xgl.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- xgl.h	4 Nov 2004 23:19:13 -0000	1.2
+++ xgl.h	5 Nov 2004 12:46:29 -0000	1.3
@@ -698,7 +698,6 @@
 xglSetPixels (DrawablePtr pDrawable,
 	      char        *src,
 	      int	  stride,
-	      Bool	  upsideDown,
 	      int	  x,
 	      int	  y,
 	      int	  width,

Index: xglgc.c
===================================================================
RCS file: /cvs/xserver/xserver/hw/xgl/xglgc.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- xglgc.c	4 Nov 2004 23:19:13 -0000	1.2
+++ xglgc.c	5 Nov 2004 12:46:29 -0000	1.3
@@ -159,7 +159,6 @@
 		if (xglSetPixels (pDrawable,
 				  bits,
 				  PixmapBytePad (w, pDrawable->depth),
-				  FALSE,
 				  x + pDrawable->x, y + pDrawable->y,
 				  w, h,
 				  REGION_RECTS (pGC->pCompositeClip),

Index: xglpixel.c
===================================================================
RCS file: /cvs/xserver/xserver/hw/xgl/xglpixel.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- xglpixel.c	4 Nov 2004 23:19:13 -0000	1.1
+++ xglpixel.c	5 Nov 2004 12:46:29 -0000	1.2
@@ -30,7 +30,6 @@
 xglSetPixels (DrawablePtr pDrawable,
 	      char        *src,
 	      int	  stride,
-	      Bool	  upsideDown,
 	      int	  x,
 	      int	  y,
 	      int	  width,
@@ -45,7 +44,6 @@
     BoxPtr		 pDstBox;
     int			 nDstBox;
     int			 dstXoff, dstYoff, dstBpp;
-    int			 dstY, srcY;
     int			 x1, y1, x2, y2;
 
     XGL_DRAWABLE_PIXMAP (pDrawable);
@@ -94,21 +92,11 @@
 	
 	if (x1 < x2 && y1 < y2)
 	{
-	    if (XGL_INTERNAL_SCANLINE_ORDER_UPSIDE_DOWN)
-		dstY = pDrawable->height - (y2 + dstYoff);
-	    else
-		dstY = y1 + dstYoff;
-	    
-	    if (upsideDown)
-		srcY = height - (y2 - y);
-	    else
-		srcY = y1 - y;
-	    
-	    fbBlt (srcBits + srcY * srcStride,
+	    fbBlt (srcBits + (y1 - y) * srcStride,
 		   srcStride,
 		   (x1 - x) * dstBpp,
 		   
-		   dstBits + dstY * dstStride,
+		   dstBits + (y1 + dstYoff) * dstStride,
 		   dstStride,
 		   (x1 + dstXoff) * dstBpp,
 		   
@@ -119,7 +107,7 @@
 		   FB_ALLONES,
 		   dstBpp,
 		   FALSE,
-		   upsideDown != XGL_INTERNAL_SCANLINE_ORDER_UPSIDE_DOWN);
+		   FALSE);
 
 	    pDstBox[nDstBox].x1 = x1;
 	    pDstBox[nDstBox].y1 = y1;

Index: xglpixmap.c
===================================================================
RCS file: /cvs/xserver/xserver/hw/xgl/xglpixmap.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- xglpixmap.c	4 Nov 2004 23:19:13 -0000	1.2
+++ xglpixmap.c	5 Nov 2004 12:46:29 -0000	1.3
@@ -423,18 +423,30 @@
 {
     if (!pPixmap->devPrivate.ptr)
     {
+	CARD8 *bits;
+	
 	XGL_PIXMAP_PRIV (pPixmap);
 	
 	if (!pPixmapPriv->buffer)
 	    if (!xglAllocatePixmapBits (pPixmap))
 		return FALSE;
 	
-	pPixmap->devKind = pPixmapPriv->stride;
-	pPixmap->devPrivate.ptr =
-	    glitz_buffer_map (pPixmapPriv->buffer,
-			      GLITZ_BUFFER_ACCESS_READ_WRITE);
-	if (!pPixmap->devPrivate.ptr)
+	bits = glitz_buffer_map (pPixmapPriv->buffer,
+				 GLITZ_BUFFER_ACCESS_READ_WRITE);
+	if (!bits)
 	    return FALSE;
+
+	if (XGL_INTERNAL_SCANLINE_ORDER_UPSIDE_DOWN && pPixmapPriv->format)
+	{
+	    pPixmap->devKind = -pPixmapPriv->stride;
+	    pPixmap->devPrivate.ptr =
+		bits + (pPixmap->drawable.height - 1) * pPixmapPriv->stride;
+	}
+	else
+	{
+	    pPixmap->devKind = pPixmapPriv->stride;
+	    pPixmap->devPrivate.ptr = bits;
+	}
     }
     
     return TRUE;