Matteo Bruni : wined3d: Don' t flag vertex color clamping for changes on core profile.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 618e825e57d65e149fa9822dc644122268e2dbde
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=618e825e57d65e149fa9822dc644122268e2dbde

Author: Matteo Bruni <mbruni at codeweavers.com>
Date:   Fri Mar 25 22:50:25 2016 +0100

wined3d: Don't flag vertex color clamping for changes on core profile.

glClampColorARB(GL_CLAMP_VERTEX_COLOR) is not supported on core profile and
we can't use builtin color varyings there anyway.

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

---

 dlls/wined3d/glsl_shader.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 9e6a631..7c367e4 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -7345,14 +7345,24 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
             pshader ? min(pshader->limits->constant_float, gl_info->limits.glsl_ps_float_constants) : 0);
     checkGLcall("Find glsl program uniform locations");
 
-    if (pshader && pshader->reg_maps.shader_version.major >= 3
-            && pshader->u.ps.declared_in_count > vec4_varyings(3, gl_info))
+    if (gl_info->supported[WINED3D_GL_LEGACY_CONTEXT])
     {
-        TRACE("Shader %d needs vertex color clamping disabled.\n", program_id);
-        entry->vs.vertex_color_clamp = GL_FALSE;
+        if (pshader && pshader->reg_maps.shader_version.major >= 3
+                && pshader->u.ps.declared_in_count > vec4_varyings(3, gl_info))
+        {
+            TRACE("Shader %d needs vertex color clamping disabled.\n", program_id);
+            entry->vs.vertex_color_clamp = GL_FALSE;
+        }
+        else
+        {
+            entry->vs.vertex_color_clamp = GL_FIXED_ONLY_ARB;
+        }
     }
     else
     {
+        /* With core profile we never change vertex_color_clamp from
+         * GL_FIXED_ONLY_MODE (which is also the initial value) so we never call
+         * glClampColorARB(). */
         entry->vs.vertex_color_clamp = GL_FIXED_ONLY_ARB;
     }