1 /*
2  * cl_multi_image_handler.h - CL multi-image handler
3  *
4  *  Copyright (c) 2016 Intel Corporation
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *      http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * Author: Wind Yuan <feng.yuan@intel.com>
19  */
20 
21 #ifndef XCAM_CL_MULTI_IMAGE_HANDLER_H
22 #define XCAM_CL_MULTI_IMAGE_HANDLER_H
23 
24 #include <xcam_std.h>
25 #include <ocl/cl_image_handler.h>
26 
27 namespace XCam {
28 
29 class CLMultiImageHandler
30     : public CLImageHandler
31 {
32 public:
33     typedef std::list<SmartPtr<CLImageHandler> > HandlerList;
34 
35 public:
36     explicit CLMultiImageHandler (const SmartPtr<CLContext> &context, const char *name);
37     virtual ~CLMultiImageHandler ();
38     bool add_image_handler (SmartPtr<CLImageHandler> &handler);
39 
40 protected:
41     virtual XCamReturn prepare_parameters (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
42     virtual XCamReturn execute_kernels ();
43     virtual XCamReturn execute_done (SmartPtr<VideoBuffer> &output);
44 
45     virtual XCamReturn sub_handler_execute_done (SmartPtr<CLImageHandler> &handler);
46 
47     XCamReturn ensure_handler_parameters (
48         const SmartPtr<CLImageHandler> &handler, SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
49 
50 private:
51     XCAM_DEAD_COPY (CLMultiImageHandler);
52 
53 protected:
54     HandlerList        _handler_list;
55 };
56 
57 };
58 
59 #endif // XCAM_CL_MULTI_IMAGE_HANDLER_H