Stefan Dösinger : wined3d: Fix the color keyed P8 alpha ref value.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3d49060fdf1906bd756ec7a877fa32d7d6355bfe
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3d49060fdf1906bd756ec7a877...

Author: Stefan Dösinger 
Date:   Wed Feb  4 13:45:30 2015 +0100

wined3d: Fix the color keyed P8 alpha ref value.

---

dlls/wined3d/surface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 43dfca0..1753cd0 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -3482,7 +3482,7 @@ static void surface_blt_to_drawable(const struct wined3d_device *device,
          * other cases pixels that should be masked away have alpha set to 0. */
         if (src_surface->resource.format->id == WINED3DFMT_P8_UINT)
             gl_info->gl_ops.gl.p_glAlphaFunc(GL_NOTEQUAL,
-                    (float)src_surface->container->src_blt_color_key.color_space_low_value / 256.0f);
+                    (float)src_surface->container->src_blt_color_key.color_space_low_value / 255.0f);
         else
             gl_info->gl_ops.gl.p_glAlphaFunc(GL_NOTEQUAL, 0.0f);
         checkGLcall("glAlphaFunc");