Matteo Bruni : wined3d: Clamp diffuse and specular color in GLSL vertex ffp replacement for core profile.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5e7a015b52fc3b1d635e4b5975a1ecaddfa8ec32
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5e7a015b52fc3b1d635e4b5975...

Author: Matteo Bruni <mbruni(a)codeweavers.com>
Date:   Fri Mar 25 22:50:24 2016 +0100

wined3d: Clamp diffuse and specular color in GLSL vertex ffp replacement for core profile.

Signed-off-by: Matteo Bruni <mbruni(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/wined3d/glsl_shader.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 717b9f8..9e6a631 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -6180,6 +6180,11 @@ static GLuint shader_glsl_generate_ffp_vertex_shader(struct shader_glsl_priv *pr
         shader_addline(buffer, "gl_FrontColor = ffp_varying_diffuse;\n");
         shader_addline(buffer, "gl_FrontSecondaryColor = ffp_varying_specular;\n");
     }
+    else
+    {
+        shader_addline(buffer, "ffp_varying_diffuse = clamp(ffp_varying_diffuse, 0.0, 1.0);\n");
+        shader_addline(buffer, "ffp_varying_specular = clamp(ffp_varying_specular, 0.0, 1.0);\n");
+    }
 
     for (i = 0; i < MAX_TEXTURES; ++i)
     {