1 /* 2 * cl_image_warp_handler.h - CL image warping 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: Zong Wei <wei.zong@intel.com> 19 */ 20 21 #ifndef XCAM_CL_IMAGE_WARP_H 22 #define XCAM_CL_IMAGE_WARP_H 23 24 #include <xcam_std.h> 25 #include <ocl/cl_image_handler.h> 26 #include <ocl/cl_memory.h> 27 28 namespace XCam { 29 30 #define CL_IMAGE_WARP_WRITE_UINT 1 31 32 enum { 33 #if CL_IMAGE_WARP_WRITE_UINT 34 KernelImageWarp = 0, 35 #else 36 KernelImageWarp = 1, 37 #endif 38 }; 39 40 struct CLWarpConfig { 41 int frame_id; 42 int width; 43 int height; 44 float trim_ratio; 45 float proj_mat[9]; 46 CLWarpConfigCLWarpConfig47 CLWarpConfig () 48 : frame_id (-1) 49 , width (-1) 50 , height (-1) 51 , trim_ratio (0.05f) 52 { 53 proj_mat[0] = 1.0f; 54 proj_mat[1] = 0.0f; 55 proj_mat[2] = 0.0f; 56 proj_mat[3] = 0.0f; 57 proj_mat[4] = 1.0f; 58 proj_mat[5] = 0.0f; 59 proj_mat[6] = 0.0f; 60 proj_mat[7] = 0.0f; 61 proj_mat[8] = 1.0f; 62 }; 63 }; 64 65 class CLImageWarpHandler; 66 67 class CLImageWarpKernel 68 : public CLImageKernel 69 { 70 public: 71 explicit CLImageWarpKernel ( 72 const SmartPtr<CLContext> &context, 73 const char *name, 74 uint32_t channel, 75 SmartPtr<CLImageHandler> &handler); 76 ~CLImageWarpKernel()77 virtual ~CLImageWarpKernel () {}; 78 79 protected: 80 virtual XCamReturn prepare_arguments ( 81 CLArgList &args, CLWorkSize &work_size); 82 83 private: 84 XCAM_DEAD_COPY (CLImageWarpKernel); 85 86 uint32_t _channel; 87 SmartPtr<CLImageWarpHandler> _handler; 88 }; 89 90 class CLImageWarpHandler 91 : public CLImageHandler 92 { 93 typedef std::list<CLWarpConfig> CLWarpConfigList; 94 95 public: 96 explicit CLImageWarpHandler (const SmartPtr<CLContext> &context, const char *name = "CLImageWarpHandler"); ~CLImageWarpHandler()97 virtual ~CLImageWarpHandler () { 98 _warp_config_list.clear (); 99 } 100 101 virtual SmartPtr<VideoBuffer> get_warp_input_buf (); 102 103 bool set_warp_config (const XCamDVSResult& config); 104 CLWarpConfig get_warp_config (); 105 106 virtual bool is_ready (); 107 108 protected: 109 virtual XCamReturn execute_done (SmartPtr<VideoBuffer> &output); 110 111 private: 112 XCAM_DEAD_COPY (CLImageWarpHandler); 113 114 CLWarpConfigList _warp_config_list; 115 116 }; 117 118 SmartPtr<CLImageHandler> 119 create_cl_image_warp_handler (const SmartPtr<CLContext> &context); 120 121 }; 122 123 #endif // XCAM_CL_IMAGE_WARP_H 124