Maarten Lankhorst : wined3d: Fix a clipping issue with D3DSPSM_SIGNNEG.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d19f840361d901c8ca9f61a95651fbf125ca6448
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d19f840361d901c8ca9f61a956...

Author: Maarten Lankhorst 
Date:   Wed Mar 23 15:13:18 2011 +0100

wined3d: Fix a clipping issue with D3DSPSM_SIGNNEG.

---

dlls/wined3d/arb_program_shader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index e495643..c6b6619 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -1473,7 +1473,7 @@ static void shader_arb_get_src_param(const struct wined3d_shader_instruction *in
         shader_addline(buffer, "MAD T%c, %s, %s, -%s;\n", 'A' + tmpreg, regstr, two, one);
         break;
     case WINED3DSPSM_SIGNNEG:
-        shader_addline(buffer, "MAD T%c, %s, %s, %s;\n", 'A' + tmpreg, regstr, two, one);
+        shader_addline(buffer, "MAD T%c, %s, -%s, %s;\n", 'A' + tmpreg, regstr, two, one);
         break;
     case WINED3DSPSM_COMP:
         shader_addline(buffer, "SUB T%c, %s, %s;\n", 'A' + tmpreg, one, regstr);