fixed Y flip problem in read_rgba_pixels() (Frank Warmerdam)
authorBrian Paul <brian.paul@tungstengraphics.com>
Wed, 9 May 2001 20:42:37 +0000 (20:42 +0000)
committerBrian Paul <brian.paul@tungstengraphics.com>
Wed, 9 May 2001 20:42:37 +0000 (20:42 +0000)
src/mesa/drivers/windows/wmesa.c

index 581106cb4f85f9ae423005f2eb73080be1f92a5b..b65fc599c5371659187a4ac3a5d38e9bdaf25dd1 100644 (file)
@@ -1,4 +1,4 @@
-/* $Id: wmesa.c,v 1.15 2001/04/26 19:14:35 brianp Exp $ */
+/* $Id: wmesa.c,v 1.16 2001/05/09 20:42:37 brianp Exp $ */
 
 /*
  * Windows (Win32) device driver for Mesa 3.4
@@ -1050,7 +1050,8 @@ static void read_rgba_pixels( const GLcontext* ctx,
    assert(Current->rgb_flag==GL_TRUE);
    for (i=0; i<n; i++) {
       if (mask[i]) {
-         Color=GetPixel(DC,x[i],FLIP(y[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);