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fixed Y flip problem in read_rgba_pixels() (Frank Warmerdam)

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This commit is contained in:
Brian Paul 2001-05-09 20:42:37 +00:00
parent a41edc31ce
commit 7884aa151f
1 changed files with 3 additions and 2 deletions
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5
src/mesa/drivers/windows/wmesa.c
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@ -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);