/*
* cl_bayer_pipe_handler.cpp - CL bayer pipe handler
*
* Copyright (c) 2015 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>
* Author: wangfei <feix.w.wang@intel.com>
* Author: Shincy Tu <shincy.tu@intel.com>
*/
#include "cl_utils.h"
#include "cl_bayer_pipe_handler.h"
#define WORKGROUP_PIXEL_WIDTH 128
#define WORKGROUP_PIXEL_HEIGHT 8
#define BAYER_LOCAL_X_SIZE 64
#define BAYER_LOCAL_Y_SIZE 2
namespace XCam {
static const float table [XCAM_BNR_TABLE_SIZE] = {
63.661991f, 60.628166f, 52.366924f, 41.023067f, 29.146584f, 18.781729f, 10.976704f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f, 6.000000f,
6.000000f,
};
static const XCamKernelInfo kernel_bayer_pipe_info = {
"kernel_bayer_pipe",
#include "kernel_bayer_pipe.clx"
, 0,
};
CLBayerPipeImageKernel::CLBayerPipeImageKernel (
const SmartPtr<CLContext> &context,
SmartPtr<CLBayerPipeImageHandler> &handler)
: CLImageKernel (context, "kernel_bayer_pipe")
, _handler (handler)
{
}
CLBayerPipeImageHandler::CLBayerPipeImageHandler (const SmartPtr<CLContext> &context, const char *name)
: CLImageHandler (context, name)
, _output_format (XCAM_PIX_FMT_RGB48_planar)
, _enable_denoise (0)
{
memcpy(_bnr_table, table, sizeof(float)*XCAM_BNR_TABLE_SIZE);
_ee_config.ee_gain = 0.8;
_ee_config.ee_threshold = 0.025;
}
bool
CLBayerPipeImageHandler::set_output_format (uint32_t fourcc)
{
XCAM_FAIL_RETURN (
WARNING,
XCAM_PIX_FMT_RGB48_planar == fourcc || XCAM_PIX_FMT_RGB24_planar == fourcc,
false,
"CL image handler(%s) doesn't support format(%s) settings",
get_name (), xcam_fourcc_to_string (fourcc));
_output_format = fourcc;
return true;
}
bool
CLBayerPipeImageHandler::set_bayer_kernel (SmartPtr<CLBayerPipeImageKernel> &kernel)
{
SmartPtr<CLImageKernel> image_kernel = kernel;
add_kernel (image_kernel);
_bayer_kernel = kernel;
return true;
}
bool
CLBayerPipeImageHandler::enable_denoise (bool enable)
{
_enable_denoise = (enable ? 1 : 0);
return true;
}
bool
CLBayerPipeImageHandler::set_ee_config (const XCam3aResultEdgeEnhancement &ee)
{
_ee_config.ee_gain = (float)ee.gain;
_ee_config.ee_threshold = (float)ee.threshold;
return true;
}
bool
CLBayerPipeImageHandler::set_bnr_config (const XCam3aResultBayerNoiseReduction &bnr)
{
for(int i = 0; i < XCAM_BNR_TABLE_SIZE; i++)
_bnr_table[i] = (float)bnr.table[i];
return true;
}
XCamReturn
CLBayerPipeImageHandler::prepare_buffer_pool_video_info (
const VideoBufferInfo &input,
VideoBufferInfo &output)
{
uint32_t format = _output_format;
uint32_t width = input.width;
uint32_t height = input.height;
if (input.format == XCAM_PIX_FMT_SGRBG16_planar) {
width *= 2;
height *= 2;
}
bool format_inited = output.init (format, width, height);
XCAM_FAIL_RETURN (
WARNING,
format_inited,
XCAM_RETURN_ERROR_PARAM,
"CL image handler(%s) output format(%s) unsupported",
get_name (), xcam_fourcc_to_string (format));
return XCAM_RETURN_NO_ERROR;
}
XCamReturn
CLBayerPipeImageHandler::prepare_parameters (
SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output)
{
SmartPtr<CLContext> context = get_context ();
const VideoBufferInfo & in_video_info = input->get_video_info ();
const VideoBufferInfo & out_video_info = output->get_video_info ();
CLArgList args;
CLWorkSize work_size;
XCAM_ASSERT (_bayer_kernel.ptr ());
CLImageDesc in_desc;
in_desc.format.image_channel_order = CL_RGBA;
in_desc.format.image_channel_data_type = CL_UNORM_INT16; //CL_UNSIGNED_INT32;
in_desc.width = in_video_info.width / 4; // 960/4
in_desc.height = in_video_info.aligned_height * 4; //540
in_desc.row_pitch = in_video_info.strides[0];
SmartPtr<CLImage> image_in = convert_to_climage (context, input, in_desc);
CLImageDesc out_desc;
out_desc.format.image_channel_order = CL_RGBA;
if (XCAM_PIX_FMT_RGB48_planar == out_video_info.format)
out_desc.format.image_channel_data_type = CL_UNORM_INT16;
else
out_desc.format.image_channel_data_type = CL_UNORM_INT8;
out_desc.width = out_video_info.aligned_width / 4;
out_desc.height = out_video_info.aligned_height * 3;
out_desc.row_pitch = out_video_info.strides[0];
out_desc.array_size = 3;
out_desc.slice_pitch = out_video_info.strides [0] * out_video_info.aligned_height;
SmartPtr<CLImage> image_out = convert_to_climage (context, output, out_desc);
uint input_height = in_video_info.aligned_height;
uint output_height = out_video_info.aligned_height;
XCAM_ASSERT (image_in.ptr () && image_out.ptr ());
XCAM_FAIL_RETURN (
WARNING,
image_in->is_valid () && image_out->is_valid (),
XCAM_RETURN_ERROR_MEM,
"cl image kernel(%s) in/out memory not available", _bayer_kernel->get_kernel_name ());
SmartPtr<CLBuffer> bnr_table_buffer = new CLBuffer(
context, sizeof(float) * XCAM_BNR_TABLE_SIZE,
CL_MEM_READ_WRITE | CL_MEM_USE_HOST_PTR, &_bnr_table);
//set args;
args.push_back (new CLMemArgument (image_in));
args.push_back (new CLArgumentT<uint> (input_height));
args.push_back (new CLMemArgument (image_out));
args.push_back (new CLArgumentT<uint> (output_height));
args.push_back (new CLMemArgument (bnr_table_buffer));
args.push_back (new CLArgumentT<uint32_t> (_enable_denoise));
args.push_back (new CLArgumentT<CLEeConfig> (_ee_config));
work_size.dim = XCAM_DEFAULT_IMAGE_DIM;
work_size.local[0] = BAYER_LOCAL_X_SIZE;
work_size.local[1] = BAYER_LOCAL_Y_SIZE;
work_size.global[0] = (XCAM_ALIGN_UP(out_video_info.width, WORKGROUP_PIXEL_WIDTH) / WORKGROUP_PIXEL_WIDTH) *
work_size.local[0];
work_size.global[1] = (XCAM_ALIGN_UP(out_video_info.height, WORKGROUP_PIXEL_HEIGHT) / WORKGROUP_PIXEL_HEIGHT) *
work_size.local[1];
XCAM_ASSERT (_bayer_kernel.ptr ());
XCamReturn ret = _bayer_kernel->set_arguments (args, work_size);
XCAM_FAIL_RETURN (
WARNING, ret == XCAM_RETURN_NO_ERROR, ret,
"bayer pipe kernel set arguments failed.");
return XCAM_RETURN_NO_ERROR;
}
SmartPtr<CLImageHandler>
create_cl_bayer_pipe_image_handler (const SmartPtr<CLContext> &context)
{
SmartPtr<CLBayerPipeImageHandler> bayer_pipe_handler;
SmartPtr<CLBayerPipeImageKernel> bayer_pipe_kernel;
bayer_pipe_handler = new CLBayerPipeImageHandler (context, "cl_handler_bayer_pipe");
bayer_pipe_kernel = new CLBayerPipeImageKernel (context, bayer_pipe_handler);
XCAM_ASSERT (bayer_pipe_kernel.ptr ());
XCAM_FAIL_RETURN (
ERROR, bayer_pipe_kernel->build_kernel (kernel_bayer_pipe_info, NULL) == XCAM_RETURN_NO_ERROR, NULL,
"build bayer-pipe kernel(%s) failed", kernel_bayer_pipe_info.kernel_name);
XCAM_ASSERT (bayer_pipe_kernel->is_valid ());
bayer_pipe_handler->set_bayer_kernel (bayer_pipe_kernel);
return bayer_pipe_handler;
}
};