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48 lines
1.3 KiB
48 lines
1.3 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma version(1)
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#pragma rs java_package_name(com.android.rs.cppallocations)
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// Kernel performs basic vector swizzle
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uchar4 __attribute__((kernel)) swizzle_kernel(uchar4 in)
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{
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return in.wzyx;
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}
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// Kernel squares every element in allocation
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uint __attribute__((kernel)) square_kernel(ushort in)
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{
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uint result = (uint)in * (uint)in;
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return result;
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}
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// Helper function adding 1/2 to passed in double
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static double half_helper(double in)
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{
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return (in + 0.5);
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}
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// Kernel returns first 3 elements of a double4 plus 1/2
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double3 __attribute__((kernel)) add_half_kernel(double4 in)
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{
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double3 result;
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result.x = half_helper(in.x);
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result.y = half_helper(in.y);
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result.z = half_helper(in.z);
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return result;
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}
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