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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
#pragma version(1)
#pragma rs java_package_name(com.android.rs.image)
#pragma rs_fp_relaxed
static rs_matrix4x4 Mat;
void init() {
rsMatrixLoadIdentity(&Mat);
}
void setMatrix(rs_matrix4x4 m) {
Mat = m;
}
void root(const uchar4 *in, uchar4 *out) {
float4 f = convert_float4(*in);
f = rsMatrixMultiply(&Mat, f);
f = clamp(f, 0.f, 255.f);
*out = convert_uchar4(f);
}
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