wined3d: Store base vertex draw capabilities in struct wined3d_d3d_info.

dlls/wined3d/adapter_gl.c

@@ -3736,6 +3736,8 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
     d3d_info->texture_npot_conditional = gl_info->supported[WINED3D_GL_NORMALIZED_TEXRECT]
             || gl_info->supported[ARB_TEXTURE_RECTANGLE];
 
+    d3d_info->draw_base_vertex_offset = !!gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX];
+
     TRACE("Max texture stages: %u.\n", d3d_info->limits.ffp_blend_stages);
 
     if (!d3d_info->shader_color_key)

dlls/wined3d/cs.c

@@ -842,7 +842,6 @@ void wined3d_cs_emit_dispatch_indirect(struct wined3d_cs *cs,
 static void wined3d_cs_exec_draw(struct wined3d_cs *cs, const void *data)
 {
     const struct wined3d_d3d_info *d3d_info = &cs->device->adapter->d3d_info;
-    const struct wined3d_gl_info *gl_info = &cs->device->adapter->gl_info;
     const struct wined3d_shader *geometry_shader;
     struct wined3d_device *device = cs->device;
     int base_vertex_idx, load_base_vertex_idx;
@@ -855,14 +854,14 @@ static void wined3d_cs_exec_draw(struct wined3d_cs *cs, const void *data)
     {
         const struct wined3d_direct_draw_parameters *direct = &op->parameters.u.direct;
 
-        if (op->parameters.indexed && gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX])
+        if (op->parameters.indexed && d3d_info->draw_base_vertex_offset)
             base_vertex_idx = direct->base_vertex_idx;
         else if (!op->parameters.indexed)
             base_vertex_idx = direct->start_idx;
     }
 
     /* ARB_draw_indirect always supports a base vertex offset. */
-    if (!op->parameters.indirect && !gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX])
+    if (!op->parameters.indirect && !d3d_info->draw_base_vertex_offset)
         load_base_vertex_idx = op->parameters.u.direct.base_vertex_idx;
     else
         load_base_vertex_idx = 0;

dlls/wined3d/wined3d_private.h

@@ -205,6 +205,7 @@ struct wined3d_d3d_info
     unsigned int viewport_array_index_any_shader : 1;
     unsigned int texture_npot : 1;
     unsigned int texture_npot_conditional : 1;
+    unsigned int draw_base_vertex_offset : 1;
     enum wined3d_feature_level feature_level;
 };