58 lines
No EOL
2.4 KiB
Rust
58 lines
No EOL
2.4 KiB
Rust
/*
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Copyright (c) 2016, The Linux Foundation. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of The Linux Foundation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma version(1)
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#pragma rs java_package_name(com.android.camera.imageprocessor)
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#pragma rs_fp_relaxed
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rs_allocation gIn;
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uint32_t width;
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uint32_t height;
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uchar4 __attribute__((kernel)) nv21ToRgb(uint32_t x, uint32_t y) {
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uint32_t ySize = width*height;
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uint32_t index = ySize + (x/2*2) + ((y/2) * width);
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int yV = (int)(rsGetElementAt_uchar(gIn, x + y*width) & 0xFF);
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int vV = (int)(rsGetElementAt_uchar(gIn, index) & 0xFF ) -128;
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int uV = (int)(rsGetElementAt_uchar(gIn, index+1) & 0xFF ) -128;
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int r = (int) (yV + 1.370705f * vV );
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int g = (int) (yV - 0.698001f * vV - 0.337633f* uV);
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int b = (int) (yV + 1.732446 * uV );
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r = r>255? 255 : r<0 ? 0 : r;
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g = g>255? 255 : g<0 ? 0 : g;
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b = b>255? 255 : b<0 ? 0 : b;
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uchar4 res4;
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res4.r = (uchar)(r & 0xFF);
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res4.g = (uchar)(g & 0xFF);
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res4.b = (uchar)(b & 0xFF);
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res4.a = 0xFF;
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return res4;
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} |