wined3d: Introduce wined3d_device_get_domain_shader().

dlls/wined3d/device.c

@@ -2695,6 +2695,13 @@ void CDECL wined3d_device_set_domain_shader(struct wined3d_device *device, struc
         wined3d_shader_decref(prev);
 }
 
+struct wined3d_shader * CDECL wined3d_device_get_domain_shader(const struct wined3d_device *device)
+{
+    TRACE("device %p.\n", device);
+
+    return device->state.shader[WINED3D_SHADER_TYPE_DOMAIN];
+}
+
 void CDECL wined3d_device_set_geometry_shader(struct wined3d_device *device, struct wined3d_shader *shader)
 {
     struct wined3d_shader *prev = device->update_state->shader[WINED3D_SHADER_TYPE_GEOMETRY];

dlls/wined3d/wined3d.spec

@@ -59,6 +59,7 @@
 @ cdecl wined3d_device_get_depth_stencil_view(ptr)
 @ cdecl wined3d_device_get_device_caps(ptr ptr)
 @ cdecl wined3d_device_get_display_mode(ptr long ptr ptr)
+@ cdecl wined3d_device_get_domain_shader(ptr)
 @ cdecl wined3d_device_get_gamma_ramp(ptr long ptr)
 @ cdecl wined3d_device_get_geometry_shader(ptr)
 @ cdecl wined3d_device_get_gs_cb(ptr long)

include/wine/wined3d.h

@@ -2196,6 +2196,7 @@ struct wined3d_rendertarget_view * __cdecl wined3d_device_get_depth_stencil_view
 HRESULT __cdecl wined3d_device_get_device_caps(const struct wined3d_device *device, WINED3DCAPS *caps);
 HRESULT __cdecl wined3d_device_get_display_mode(const struct wined3d_device *device, UINT swapchain_idx,
         struct wined3d_display_mode *mode, enum wined3d_display_rotation *rotation);
+struct wined3d_shader * __cdecl wined3d_device_get_domain_shader(const struct wined3d_device *device);
 void __cdecl wined3d_device_get_gamma_ramp(const struct wined3d_device *device,
         UINT swapchain_idx, struct wined3d_gamma_ramp *ramp);
 struct wined3d_shader * __cdecl wined3d_device_get_geometry_shader(const struct wined3d_device *device);