1 /* 2 * cl_newtonemapping_handler.h - CL tonemapping handler 3 * 4 * Copyright (c) 2015 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: Wu Junkai <junkai.wu@intel.com> 19 */ 20 21 #ifndef XCAM_CL_NEWTONEMAPPING_HANLDER_H 22 #define XCAM_CL_NEWTONEMAPPING_HANLDER_H 23 24 #include <xcam_std.h> 25 #include <ocl/cl_image_handler.h> 26 #include <x3a_stats_pool.h> 27 28 namespace XCam { 29 30 class CLNewTonemappingImageKernel 31 : public CLImageKernel 32 { 33 public: 34 explicit CLNewTonemappingImageKernel ( 35 const SmartPtr<CLContext> &context, const char *name); 36 37 private: 38 SmartPtr<CLBuffer> _y_max_buffer; 39 SmartPtr<CLBuffer> _y_avg_buffer; 40 SmartPtr<CLBuffer> _map_hist_buffer; 41 }; 42 43 class CLNewTonemappingImageHandler 44 : public CLImageHandler 45 { 46 public: 47 explicit CLNewTonemappingImageHandler (const SmartPtr<CLContext> &context, const char *name); 48 bool set_tonemapping_kernel(SmartPtr<CLNewTonemappingImageKernel> &kernel); 49 50 protected: 51 virtual XCamReturn prepare_buffer_pool_video_info ( 52 const VideoBufferInfo &input, VideoBufferInfo &output); 53 virtual XCamReturn prepare_parameters ( 54 SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output); 55 56 private: 57 SmartPtr<CLNewTonemappingImageKernel> _tonemapping_kernel; 58 int32_t _output_format; 59 int _block_factor; 60 float _map_hist[65536]; 61 float _y_max[16]; 62 float _y_avg[16]; 63 }; 64 65 SmartPtr<CLImageHandler> 66 create_cl_newtonemapping_image_handler (const SmartPtr<CLContext> &context); 67 68 }; 69 70 #endif //XCAM_CL_NEWTONEMAPPING_HANLDER_H 71