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/*
* cl_utils.h - CL Utilities
*
* Copyright (c) 2016 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Wind Yuan <feng.yuan@intel.com>
*/
#ifndef XCAM_CL_UTILS_H
#define XCAM_CL_UTILS_H
#include "xcam_utils.h"
#include "interface/data_types.h"
#include "ocl/cl_context.h"
#include "ocl/cl_memory.h"
#include "ocl/cl_video_buffer.h"
#define XCAM_CL_IMAGE_ALIGNMENT_X 4
namespace XCam {
enum CLWaveletBasis {
CL_WAVELET_DISABLED = 0,
CL_WAVELET_HAT,
CL_WAVELET_HAAR,
};
enum CLImageChannel {
CL_IMAGE_CHANNEL_Y = 1,
CL_IMAGE_CHANNEL_UV = 1 << 1,
};
bool dump_image (SmartPtr<CLImage> image, const char *file_name);
SmartPtr<CLBuffer> convert_to_clbuffer (
const SmartPtr<CLContext> &context,
const SmartPtr<VideoBuffer> &buf);
SmartPtr<CLImage> convert_to_climage (
const SmartPtr<CLContext> &context,
SmartPtr<VideoBuffer> &buf,
const CLImageDesc &desc,
uint32_t offset = 0,
cl_mem_flags flags = CL_MEM_READ_WRITE);
XCamReturn convert_nv12_mem_to_video_buffer (
void *nv12_mem, uint32_t width, uint32_t height, uint32_t row_pitch, uint32_t offset_uv,
SmartPtr<VideoBuffer> &buf);
XCamReturn
generate_topview_map_table (
const VideoBufferInfo &stitch_info,
const BowlDataConfig &config,
std::vector<PointFloat2> &map_table,
int width, int height);
XCamReturn
generate_rectifiedview_map_table (
const VideoBufferInfo &stitch_info,
const BowlDataConfig &config,
std::vector<PointFloat2> &map_table,
float angle_start, float angle_end,
int width, int height);
XCamReturn sample_generate_top_view (
SmartPtr<VideoBuffer> &stitch_buf,
SmartPtr<VideoBuffer> top_view_buf,
const BowlDataConfig &config,
std::vector<PointFloat2> &map_table);
XCamReturn sample_generate_rectified_view (
SmartPtr<VideoBuffer> &stitch_buf,
SmartPtr<VideoBuffer> rectified_view_buf,
const BowlDataConfig &config,
float angle_start, float angle_end,
std::vector<PointFloat2> &map_table);
}
#endif //XCAM_CL_UTILS_H
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