Stefan Dösinger : wined3d: Implement the vFace register.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3c6d97278f2d46ce141a3f06075f2b9fe6a23c96
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3c6d97278f2d46ce141a3f0607...

Author: Stefan Dösinger 
Date:   Thu Oct  4 08:24:03 2007 +0200

wined3d: Implement the vFace register.

---

dlls/wined3d/glsl_shader.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 90062b8..f05cd72 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -871,10 +871,12 @@ static void shader_glsl_get_register_name(
         if (reg == 0) {
             /* vPos */
             sprintf(tmpStr, "vpos");
+        } else if (reg == 1){
+            /* Note that gl_FrontFacing is a bool, while vFace is
+             * a float for which the sign determines front/back
+             */
+            sprintf(tmpStr, "(gl_FrontFacing ? 1.0 : -1.0)");
         } else {
-            /* gl_FrontFacing could be used for vFace, but note that
-             * gl_FrontFacing is a bool, while vFace is a float for
-             * which the sign determines front/back */
             FIXME("Unhandled misctype register %d\n", reg);
             sprintf(tmpStr, "unrecognized_register");
         }