wined3d: Store supported varyings count in d3d_limits.

dlls/wined3d/arb_program_shader.c

@@ -5161,6 +5161,7 @@ static void shader_arb_get_caps(const struct wined3d_gl_info *gl_info, struct sh
         caps->ps_1x_max_value = 0.0f;
     }
 
+    caps->varying_count = 0;
     caps->wined3d_caps = WINED3D_SHADER_CAP_SRGB_WRITE;
     if (use_nv_clip(gl_info))
         caps->wined3d_caps |= WINED3D_SHADER_CAP_VS_CLIPPING;

dlls/wined3d/directx.c

@@ -3707,6 +3707,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter)
     adapter->d3d_info.limits.ps_version = shader_caps.ps_version;
     adapter->d3d_info.limits.vs_uniform_count = shader_caps.vs_uniform_count;
     adapter->d3d_info.limits.ps_uniform_count = shader_caps.ps_uniform_count;
+    adapter->d3d_info.limits.varying_count = shader_caps.varying_count;
 
     adapter->vertex_pipe->vp_get_caps(gl_info, &vertex_caps);
     adapter->d3d_info.xyzrhw = vertex_caps.xyzrhw;

dlls/wined3d/glsl_shader.c

@@ -7632,6 +7632,7 @@ static void shader_glsl_get_caps(const struct wined3d_gl_info *gl_info, struct s
 
     caps->vs_uniform_count = gl_info->limits.glsl_vs_float_constants;
     caps->ps_uniform_count = gl_info->limits.glsl_ps_float_constants;
+    caps->varying_count = gl_info->limits.glsl_varyings;
 
     /* FIXME: The following line is card dependent. -8.0 to 8.0 is the
      * Direct3D minimum requirement.

dlls/wined3d/shader.c

@@ -1989,6 +1989,7 @@ static void shader_none_get_caps(const struct wined3d_gl_info *gl_info, struct s
     caps->vs_uniform_count = 0;
     caps->ps_uniform_count = 0;
     caps->ps_1x_max_value = 0.0f;
+    caps->varying_count = 0;
     caps->wined3d_caps = 0;
 }
 

dlls/wined3d/wined3d_private.h

@@ -774,6 +774,7 @@ struct shader_caps
     DWORD vs_uniform_count;
     DWORD ps_uniform_count;
     float ps_1x_max_value;
+    DWORD varying_count;
 
     DWORD wined3d_caps;
 };
@@ -1748,6 +1749,7 @@ struct wined3d_d3d_limits
     UINT vs_version, gs_version, ps_version;
     DWORD vs_uniform_count;
     DWORD ps_uniform_count;
+    UINT varying_count;
     UINT ffp_textures;
     UINT ffp_blend_stages;
     UINT ffp_vertex_blend_matrices;