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authorMaciej Cencora <m.cencora@gmail.com>2010-01-16 14:53:07 +0100
committerMaciej Cencora <m.cencora@gmail.com>2010-01-19 23:38:33 +0100
commitf2fea26269ac6b386f78fb68168fade4ae3290df (patch)
treeba9e8c7ea4bc94111cc01173233ac78f741ea6e0 /src/mesa
parent11affafc75525c50a2b4ffc9f91c1fe620d328fb (diff)
r300: fix Y coord flipping in accelerated blits
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/r300/r300_blit.c13
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 37e3f8aa00..8a9c1c8beb 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);