| /* |
| * Copyright (C) 2016 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(android.view.cts.surfacevalidator) |
| #pragma rs reduce(countBlackishPixels) accumulator(countBlackishPixelsAccum) combiner(countBlackishPixelsCombiner) |
| |
| uchar THRESHOLD; |
| |
| static void countBlackishPixelsAccum(int *accum, uchar4 pixel){ |
| if (pixel.r < THRESHOLD |
| && pixel.g < THRESHOLD |
| && pixel.b < THRESHOLD) { |
| *accum += 1; |
| } |
| } |
| |
| static void countBlackishPixelsCombiner(int *accum, const int *other){ |
| *accum += *other; |
| } |