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r300: fix Y coord flipping in accelerated blits

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This commit is contained in:
Maciej Cencora 2010-01-16 14:53:07 +01:00
parent 11affafc75
commit f2fea26269
1 changed files with 6 additions and 7 deletions
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13
src/mesa/drivers/dri/r300/r300_blit.c
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@ -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);