diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2001-01-29 22:40:23 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2001-01-29 22:40:23 +0000 |
| commit | 326f9ddd8ae215173de18827ffe60939961a1e3b (patch) | |
| tree | 16fbef06e1f2c70a3e68632a4bbc12ecc186d723 /src/mesa/drivers/x11 | |
| parent | ba70e59e829b9ef0db0ce6fbf8227d3911f0e43c (diff) | |
fixed inverted Y coord for dithering in write_span_DITHER_5R6G5B_ximage()
Diffstat (limited to 'src/mesa/drivers/x11')
| -rw-r--r-- | src/mesa/drivers/x11/xm_span.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/mesa/drivers/x11/xm_span.c b/src/mesa/drivers/x11/xm_span.c index 623762f205..714fcaf31e 100644 --- a/src/mesa/drivers/x11/xm_span.c +++ b/src/mesa/drivers/x11/xm_span.c @@ -1,10 +1,10 @@ -/* $Id: xm_span.c,v 1.6 2001/01/24 00:04:59 brianp Exp $ */ +/* $Id: xm_span.c,v 1.7 2001/01/29 22:40:23 brianp Exp $ */ /* * Mesa 3-D graphics library * Version: 3.5 * - * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -1507,10 +1507,11 @@ static void write_span_DITHER_5R6G5B_ximage( RGBA_SPAN_ARGS ) const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; register GLuint i; register GLushort *ptr = PIXELADDR2( xmesa->xm_buffer, x, y ); + const GLint y2 = FLIP(xmesa->xm_buffer, y); if (mask) { for (i=0;i<n;i++,x++) { if (mask[i]) { - PACK_TRUEDITHER( ptr[i], x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); } } } @@ -1522,16 +1523,16 @@ static void write_span_DITHER_5R6G5B_ximage( RGBA_SPAN_ARGS ) n -= extraPixel; for (i = 0; i < n; i += 2, x += 2) { GLuint p0, p1; - PACK_TRUEDITHER( p0, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - PACK_TRUEDITHER( p1, x+1, y, rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP] ); + PACK_TRUEDITHER( p0, x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); + PACK_TRUEDITHER( p1, x+1, y2, rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP] ); *ptr32++ = (p1 << 16) | p0; } if (extraPixel) { - PACK_TRUEDITHER( ptr[n], x+n, y, rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); + PACK_TRUEDITHER( ptr[n], x+n, y2, rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); } #else for (i = 0; i < n; i++, x++) { - PACK_TRUEDITHER( ptr[i], x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } #endif } |