1 /* 2 * cl_utils.h - CL Utilities 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_UTILS_H 22 #define XCAM_CL_UTILS_H 23 24 #include "xcam_utils.h" 25 #include "interface/data_types.h" 26 #include "ocl/cl_context.h" 27 #include "ocl/cl_memory.h" 28 #include "ocl/cl_video_buffer.h" 29 #if HAVE_LIBDRM 30 #include "drm_bo_buffer.h" 31 #endif 32 33 #define XCAM_CL_IMAGE_ALIGNMENT_X 4 34 35 namespace XCam { 36 37 enum CLWaveletBasis { 38 CL_WAVELET_DISABLED = 0, 39 CL_WAVELET_HAT, 40 CL_WAVELET_HAAR, 41 }; 42 43 enum CLImageChannel { 44 CL_IMAGE_CHANNEL_Y = 1, 45 CL_IMAGE_CHANNEL_UV = 1 << 1, 46 }; 47 48 bool dump_image (SmartPtr<CLImage> image, const char *file_name); 49 50 SmartPtr<CLBuffer> convert_to_clbuffer ( 51 const SmartPtr<CLContext> &context, 52 const SmartPtr<VideoBuffer> &buf); 53 54 SmartPtr<CLImage> convert_to_climage ( 55 const SmartPtr<CLContext> &context, 56 SmartPtr<VideoBuffer> &buf, 57 const CLImageDesc &desc, 58 uint32_t offset = 0, 59 cl_mem_flags flags = CL_MEM_READ_WRITE); 60 61 XCamReturn convert_nv12_mem_to_video_buffer ( 62 void *nv12_mem, uint32_t width, uint32_t height, uint32_t row_pitch, uint32_t offset_uv, 63 SmartPtr<VideoBuffer> &buf); 64 65 XCamReturn 66 generate_topview_map_table ( 67 const VideoBufferInfo &stitch_info, 68 const BowlDataConfig &config, 69 std::vector<PointFloat2> &map_table, 70 int width, int height); 71 72 XCamReturn 73 generate_rectifiedview_map_table ( 74 const VideoBufferInfo &stitch_info, 75 const BowlDataConfig &config, 76 std::vector<PointFloat2> &map_table, 77 float angle_start, float angle_end, 78 int width, int height); 79 80 XCamReturn sample_generate_top_view ( 81 SmartPtr<VideoBuffer> &stitch_buf, 82 SmartPtr<VideoBuffer> top_view_buf, 83 const BowlDataConfig &config, 84 std::vector<PointFloat2> &map_table); 85 86 XCamReturn sample_generate_rectified_view ( 87 SmartPtr<VideoBuffer> &stitch_buf, 88 SmartPtr<VideoBuffer> rectified_view_buf, 89 const BowlDataConfig &config, 90 float angle_start, float angle_end, 91 std::vector<PointFloat2> &map_table); 92 } 93 94 #endif //XCAM_CL_UTILS_H 95 96