15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 University of Szeged 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Zoltan Herczeg 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef FEGaussianBlurNEON_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define FEGaussianBlurNEON_h 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#if HAVE(ARM_NEON_INTRINSICS) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/cpu/arm/filters/NEONHelpers.h" 33a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/filters/FEGaussianBlur.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline void boxBlurNEON(Uint8ClampedArray* srcPixelArray, Uint8ClampedArray* dstPixelArray, 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned dx, int dxLeft, int dxRight, int stride, int strideLine, int effectWidth, int effectHeight) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) uint32_t* sourcePixel = reinterpret_cast<uint32_t*>(srcPixelArray->data()); 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) uint32_t* destinationPixel = reinterpret_cast<uint32_t*>(dstPixelArray->data()); 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t deltaX = vdupq_n_f32(1.0 / dx); 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int pixelLine = strideLine / 4; 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int pixelStride = stride / 4; 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (int y = 0; y < effectHeight; ++y) { 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int line = y * pixelLine; 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t sum = vdupq_n_f32(0); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Fill the kernel 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int maxKernelSize = std::min(dxRight, effectWidth); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (int i = 0; i < maxKernelSize; ++i) { 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + line + i * pixelStride); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) sum = vaddq_f32(sum, sourcePixelAsFloat); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Blurring 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (int x = 0; x < effectWidth; ++x) { 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int pixelOffset = line + x * pixelStride; 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t result = vmulq_f32(sum, deltaX); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) storeFloatAsRGBA8(result, destinationPixel + pixelOffset); 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (x >= dxLeft) { 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + pixelOffset - dxLeft * pixelStride); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) sum = vsubq_f32(sum, sourcePixelAsFloat); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (x + dxRight < effectWidth) { 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + pixelOffset + dxRight * pixelStride); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) sum = vaddq_f32(sum, sourcePixelAsFloat); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 74c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#endif // HAVE(ARM_NEON_INTRINSICS) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // FEGaussianBlurNEON_h 79