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      1 /*
      2  * cl_wire_frame_handler.h - CL wire frame 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: Yinhang Liu <yinhangx.liu (at) intel.com>
     19  */
     20 
     21 #ifndef XCAM_CL_WIRE_FRAME_H
     22 #define XCAM_CL_WIRE_FRAME_H
     23 
     24 #include "ocl/cl_image_handler.h"
     25 
     26 #define XCAM_WIRE_FRAME_MAX_COUNT 160
     27 
     28 namespace XCam {
     29 
     30 typedef struct _CLWireFrame {
     31     uint32_t pos_x;
     32     uint32_t pos_y;
     33     uint32_t width;
     34     uint32_t height;
     35 } CLWireFrame;
     36 
     37 class CLWireFrameImageHandler;
     38 
     39 class CLWireFrameImageKernel
     40     : public CLImageKernel
     41 {
     42 public:
     43     explicit CLWireFrameImageKernel (
     44         const SmartPtr<CLContext> &context,
     45         const SmartPtr<CLWireFrameImageHandler> &handler,
     46         const char *name);
     47     ~CLWireFrameImageKernel ();
     48 
     49 protected:
     50     virtual XCamReturn prepare_arguments (
     51         CLArgList &args, CLWorkSize &work_size);
     52 
     53 private:
     54     SmartPtr<CLWireFrameImageHandler>        _handler;
     55     uint32_t                                 _wire_frames_coords_num;
     56     uint32_t                                 *_wire_frames_coords;
     57 };
     58 
     59 class CLWireFrameImageHandler
     60     : public CLImageHandler
     61 {
     62 public:
     63     explicit CLWireFrameImageHandler (const SmartPtr<CLContext> &context, const char *name);
     64     bool set_wire_frame_kernel (SmartPtr<CLWireFrameImageKernel> &kernel);
     65     bool set_wire_frame_config (const XCamFDResult *config, double scaler_factor = 1.0);
     66 
     67     bool check_wire_frames_validity (uint32_t image_width, uint32_t image_height);
     68     uint32_t get_border_coordinates_num ();
     69     bool get_border_coordinates (uint32_t *coords);
     70 
     71 protected:
     72     virtual XCamReturn prepare_output_buf (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
     73 
     74 private:
     75     XCAM_DEAD_COPY (CLWireFrameImageHandler);
     76     SmartPtr<CLWireFrameImageKernel>         _wire_frame_kernel;
     77 
     78     uint32_t                                 _wire_frames_num;
     79     CLWireFrame                              _wire_frames [XCAM_WIRE_FRAME_MAX_COUNT];
     80 };
     81 
     82 SmartPtr<CLImageHandler>
     83 create_cl_wire_frame_image_handler (const SmartPtr<CLContext> &context);
     84 
     85 };
     86 
     87 #endif // XCAM_CL_WIRE_FRAME_H
     88