wined3d: Introduce wined3d_device_get_hull_shader().

dlls/wined3d/device.c

@@ -2671,6 +2671,13 @@ void CDECL wined3d_device_set_hull_shader(struct wined3d_device *device, struct
         wined3d_shader_decref(prev);
 }
 
+struct wined3d_shader * CDECL wined3d_device_get_hull_shader(const struct wined3d_device *device)
+{
+    TRACE("device %p.\n", device);
+
+    return device->state.shader[WINED3D_SHADER_TYPE_HULL];
+}
+
 void CDECL wined3d_device_set_domain_shader(struct wined3d_device *device, struct wined3d_shader *shader)
 {
     struct wined3d_shader *prev;

dlls/wined3d/wined3d.spec

@@ -64,6 +64,7 @@
 @ cdecl wined3d_device_get_gs_cb(ptr long)
 @ cdecl wined3d_device_get_gs_resource_view(ptr long)
 @ cdecl wined3d_device_get_gs_sampler(ptr long)
+@ cdecl wined3d_device_get_hull_shader(ptr)
 @ cdecl wined3d_device_get_index_buffer(ptr ptr ptr)
 @ cdecl wined3d_device_get_light(ptr long ptr)
 @ cdecl wined3d_device_get_light_enable(ptr long ptr)

include/wine/wined3d.h

@@ -2203,6 +2203,7 @@ struct wined3d_buffer * __cdecl wined3d_device_get_gs_cb(const struct wined3d_de
 struct wined3d_shader_resource_view * __cdecl wined3d_device_get_gs_resource_view(const struct wined3d_device *device,
         UINT idx);
 struct wined3d_sampler * __cdecl wined3d_device_get_gs_sampler(const struct wined3d_device *device, UINT idx);
+struct wined3d_shader * __cdecl wined3d_device_get_hull_shader(const struct wined3d_device *device);
 struct wined3d_buffer * __cdecl wined3d_device_get_index_buffer(const struct wined3d_device *device,
         enum wined3d_format_id *format, unsigned int *offset);
 HRESULT __cdecl wined3d_device_get_light(const struct wined3d_device *device,