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SimdSse2Sobel_amd64.go
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SimdSse2Sobel_amd64.go
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//+build !noasm
//+build !appengine
/*
* 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.
*/
package gocvsimd
import "unsafe"
//go:noescape
func _SimdSse2SobelDx(src unsafe.Pointer, srcStride, srcWidth, srcHeight uint64, dst unsafe.Pointer, dstStride uint64)
//go:noescape
func _SimdSse2SobelDy(src unsafe.Pointer, srcStride, srcWidth, srcHeight uint64, dst unsafe.Pointer, dstStride uint64)
//go:noescape
func _SimdSse2ContourAnchors(src unsafe.Pointer, srcStride, srcWidth, srcHeight uint64, step uint64, threshold uint64/*int16*/, dst unsafe.Pointer, dstStride uint64)
// SimdSse2SobelDx calculates Sobel's filter along x axis.
// All images must have the same width and height. Input image must has 8-bit gray format, output image must has 16-bit integer format.
// For every point:
// n dst[x, y] = (src[x+1,y-1] + 2*src[x+1, y] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x-1, y] + src[x-1, y+1]).
func SimdSse2SobelDx(src, dst View) {
_SimdSse2SobelDx(src.GetData(), uint64(src.GetStride()), uint64(src.GetWidth()), uint64(src.GetHeight()), dst.GetData(), uint64(dst.GetStride()))
}
// SimdSse2SobelDy calculates Sobel's filter along y axis.
// All images must have the same width and height. Input image must has 8-bit gray format, output image must have a 16-bit integer format.
// For every point:
// dst[x, y] = (src[x-1,y+1] + 2*src[x, y+1] + src[x+1, y+1]) - (src[x-1,y-1] + 2*src[x, y-1] + src[x+1, y-1]);
func SimdSse2SobelDy(src, dst View) {
_SimdSse2SobelDy(src.GetData(), uint64(src.GetStride()), uint64(src.GetWidth()), uint64(src.GetHeight()), dst.GetData(), uint64(dst.GetStride()))
}
//
func SimdSse2ContourAnchors(src View, step uint64, threshold uint64/*int16*/, dst View) {
_SimdSse2ContourAnchors(src.GetData(), uint64(src.GetStride()), uint64(src.GetWidth()), uint64(src.GetHeight()), step, threshold, dst.GetData(), uint64(dst.GetStride()))
}