wined3d: Introduce wined3d_device_get_compute_shader().

dlls/wined3d/device.c

@@ -2738,6 +2738,13 @@ void CDECL wined3d_device_set_compute_shader(struct wined3d_device *device, stru
         wined3d_shader_decref(prev);
 }
 
+struct wined3d_shader * CDECL wined3d_device_get_compute_shader(const struct wined3d_device *device)
+{
+    TRACE("device %p.\n", device);
+
+    return device->state.shader[WINED3D_SHADER_TYPE_COMPUTE];
+}
+
 void CDECL wined3d_device_set_cs_cb(struct wined3d_device *device, unsigned int idx, struct wined3d_buffer *buffer)
 {
     TRACE("device %p, idx %u, buffer %p.\n", device, idx, buffer);

dlls/wined3d/wined3d.spec

@@ -51,6 +51,7 @@
 @ cdecl wined3d_device_get_base_vertex_index(ptr)
 @ cdecl wined3d_device_get_clip_plane(ptr long ptr)
 @ cdecl wined3d_device_get_clip_status(ptr ptr)
+@ cdecl wined3d_device_get_compute_shader(ptr)
 @ cdecl wined3d_device_get_creation_parameters(ptr ptr)
 @ cdecl wined3d_device_get_depth_stencil_view(ptr)
 @ cdecl wined3d_device_get_device_caps(ptr ptr)

include/wine/wined3d.h

@@ -2162,6 +2162,7 @@ HRESULT __cdecl wined3d_device_get_clip_plane(const struct wined3d_device *devic
         UINT plane_idx, struct wined3d_vec4 *plane);
 HRESULT __cdecl wined3d_device_get_clip_status(const struct wined3d_device *device,
         struct wined3d_clip_status *clip_status);
+struct wined3d_shader * __cdecl wined3d_device_get_compute_shader(const struct wined3d_device *device);
 void __cdecl wined3d_device_get_creation_parameters(const struct wined3d_device *device,
         struct wined3d_device_creation_parameters *creation_parameters);
 struct wined3d_rendertarget_view * __cdecl wined3d_device_get_depth_stencil_view(const struct wined3d_device *device);