Mesa (master): r300: fix Y coord flipping in accelerated blits
Maciej Cencora
osiris at kemper.freedesktop.org
Tue Jan 19 23:40:57 UTC 2010
Module: Mesa
Branch: master
Commit: f2fea26269ac6b386f78fb68168fade4ae3290df
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f2fea26269ac6b386f78fb68168fade4ae3290df
Author: Maciej Cencora <m.cencora at gmail.com>
Date: Sat Jan 16 14:53:07 2010 +0100
r300: fix Y coord flipping in accelerated blits
---
src/mesa/drivers/dri/r300/r300_blit.c | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/src/mesa/drivers/dri/r300/r300_blit.c b/src/mesa/drivers/dri/r300/r300_blit.c
index 37e3f8a..8a9c1c8 100644
--- a/src/mesa/drivers/dri/r300/r300_blit.c
+++ b/src/mesa/drivers/dri/r300/r300_blit.c
@@ -403,9 +403,8 @@ static void calc_tex_coords(float img_width, float img_height,
buf[3] = buf[2] + reg_height / img_height;
if (flip_y)
{
- float tmp = buf[2];
- buf[2] = 1.0 - buf[3];
- buf[3] = 1.0 - tmp;
+ buf[2] = 1.0 - buf[2];
+ buf[3] = 1.0 - buf[3];
}
}
@@ -424,13 +423,13 @@ static void emit_draw_packet(struct r300_context *r300,
flip_y, texcoords);
float verts[] = { dst_x_offset, dst_y_offset,
- texcoords[0], texcoords[3],
- dst_x_offset, dst_y_offset + reg_height,
texcoords[0], texcoords[2],
+ dst_x_offset, dst_y_offset + reg_height,
+ texcoords[0], texcoords[3],
dst_x_offset + reg_width, dst_y_offset + reg_height,
- texcoords[1], texcoords[2],
+ texcoords[1], texcoords[3],
dst_x_offset + reg_width, dst_y_offset,
- texcoords[1], texcoords[3] };
+ texcoords[1], texcoords[2] };
BATCH_LOCALS(&r300->radeon);
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