wined3d: Add a max varyings member to the gl info structure.

dlls/wined3d/directx.c

@@ -757,6 +757,9 @@ BOOL IWineD3DImpl_FillGLCaps(WineD3D_GL_Info *gl_info) {
             glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, &gl_max);
             gl_info->ps_glsl_constantsF = gl_max / 4;
             TRACE_(d3d_caps)("Max ARB_FRAGMENT_SHADER float constants: %u\n", gl_info->ps_glsl_constantsF);
+            glGetIntegerv(GL_MAX_VARYING_FLOATS_ARB, &gl_max);
+            gl_info->max_glsl_varyings = gl_max;
+            TRACE_(d3d_caps)("Max GLSL varyings: %u (%u 4 component varyings)\n", gl_max, gl_max / 4);
         }
         if (gl_info->supported[EXT_VERTEX_SHADER]) {
             gl_info->vs_ati_version = VS_VERSION_11;

include/wine/wined3d_gl.h

@@ -3723,6 +3723,7 @@ typedef struct _WineD3D_GL_Info {
   UINT   max_blends;
   UINT   max_anisotropy;
   UINT   max_aux_buffers;
+  UINT   max_glsl_varyings;
 
   unsigned max_vshader_constantsF;
   unsigned max_pshader_constantsF;