forked from mirrors/gecko-dev
285 lines
12 KiB
C++
285 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#define FILTER_PROCESSING_SCALAR
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#include "FilterProcessingSIMD-inl.h"
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#include "Logging.h"
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namespace mozilla {
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namespace gfx {
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void
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FilterProcessing::ExtractAlpha_Scalar(const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* alphaData, int32_t alphaStride)
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{
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for (int32_t y = 0; y < size.height; y++) {
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for (int32_t x = 0; x < size.width; x++) {
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int32_t sourceIndex = y * sourceStride + 4 * x;
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int32_t targetIndex = y * alphaStride + x;
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alphaData[targetIndex] = sourceData[sourceIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A];
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}
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}
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}
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already_AddRefed<DataSourceSurface>
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FilterProcessing::ConvertToB8G8R8A8_Scalar(SourceSurface* aSurface)
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{
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return ConvertToB8G8R8A8_SIMD<simd::Scalaru8x16_t>(aSurface);
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}
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template<MorphologyOperator Operator>
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static void
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ApplyMorphologyHorizontal_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
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uint8_t* aDestData, int32_t aDestStride,
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const IntRect& aDestRect, int32_t aRadius)
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{
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static_assert(Operator == MORPHOLOGY_OPERATOR_ERODE ||
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Operator == MORPHOLOGY_OPERATOR_DILATE,
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"unexpected morphology operator");
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for (int32_t y = aDestRect.Y(); y < aDestRect.YMost(); y++) {
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int32_t startX = aDestRect.X() - aRadius;
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int32_t endX = aDestRect.X() + aRadius;
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for (int32_t x = aDestRect.X(); x < aDestRect.XMost(); x++, startX++, endX++) {
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int32_t sourceIndex = y * aSourceStride + 4 * startX;
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uint8_t u[4];
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for (size_t i = 0; i < 4; i++) {
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u[i] = aSourceData[sourceIndex + i];
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}
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sourceIndex += 4;
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for (int32_t ix = startX + 1; ix <= endX; ix++, sourceIndex += 4) {
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for (size_t i = 0; i < 4; i++) {
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if (Operator == MORPHOLOGY_OPERATOR_ERODE) {
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u[i] = umin(u[i], aSourceData[sourceIndex + i]);
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} else {
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u[i] = umax(u[i], aSourceData[sourceIndex + i]);
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}
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}
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}
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int32_t destIndex = y * aDestStride + 4 * x;
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for (size_t i = 0; i < 4; i++) {
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aDestData[destIndex+i] = u[i];
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}
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}
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}
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}
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void
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FilterProcessing::ApplyMorphologyHorizontal_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
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uint8_t* aDestData, int32_t aDestStride,
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const IntRect& aDestRect, int32_t aRadius,
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MorphologyOperator aOp)
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{
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if (aOp == MORPHOLOGY_OPERATOR_ERODE) {
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gfx::ApplyMorphologyHorizontal_Scalar<MORPHOLOGY_OPERATOR_ERODE>(
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aSourceData, aSourceStride, aDestData, aDestStride, aDestRect, aRadius);
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} else {
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gfx::ApplyMorphologyHorizontal_Scalar<MORPHOLOGY_OPERATOR_DILATE>(
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aSourceData, aSourceStride, aDestData, aDestStride, aDestRect, aRadius);
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}
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}
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template<MorphologyOperator Operator>
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static void ApplyMorphologyVertical_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
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uint8_t* aDestData, int32_t aDestStride,
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const IntRect& aDestRect, int32_t aRadius)
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{
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static_assert(Operator == MORPHOLOGY_OPERATOR_ERODE ||
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Operator == MORPHOLOGY_OPERATOR_DILATE,
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"unexpected morphology operator");
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int32_t startY = aDestRect.Y() - aRadius;
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int32_t endY = aDestRect.Y() + aRadius;
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for (int32_t y = aDestRect.Y(); y < aDestRect.YMost(); y++, startY++, endY++) {
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for (int32_t x = aDestRect.X(); x < aDestRect.XMost(); x++) {
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int32_t sourceIndex = startY * aSourceStride + 4 * x;
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uint8_t u[4];
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for (size_t i = 0; i < 4; i++) {
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u[i] = aSourceData[sourceIndex + i];
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}
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sourceIndex += aSourceStride;
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for (int32_t iy = startY + 1; iy <= endY; iy++, sourceIndex += aSourceStride) {
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for (size_t i = 0; i < 4; i++) {
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if (Operator == MORPHOLOGY_OPERATOR_ERODE) {
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u[i] = umin(u[i], aSourceData[sourceIndex + i]);
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} else {
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u[i] = umax(u[i], aSourceData[sourceIndex + i]);
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}
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}
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}
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int32_t destIndex = y * aDestStride + 4 * x;
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for (size_t i = 0; i < 4; i++) {
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aDestData[destIndex+i] = u[i];
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}
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}
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}
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}
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void
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FilterProcessing::ApplyMorphologyVertical_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
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uint8_t* aDestData, int32_t aDestStride,
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const IntRect& aDestRect, int32_t aRadius,
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MorphologyOperator aOp)
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{
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if (aOp == MORPHOLOGY_OPERATOR_ERODE) {
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gfx::ApplyMorphologyVertical_Scalar<MORPHOLOGY_OPERATOR_ERODE>(
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aSourceData, aSourceStride, aDestData, aDestStride, aDestRect, aRadius);
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} else {
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gfx::ApplyMorphologyVertical_Scalar<MORPHOLOGY_OPERATOR_DILATE>(
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aSourceData, aSourceStride, aDestData, aDestStride, aDestRect, aRadius);
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}
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}
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already_AddRefed<DataSourceSurface>
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FilterProcessing::ApplyColorMatrix_Scalar(DataSourceSurface* aInput, const Matrix5x4 &aMatrix)
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{
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return ApplyColorMatrix_SIMD<simd::Scalari32x4_t,simd::Scalari16x8_t,simd::Scalaru8x16_t>(aInput, aMatrix);
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}
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void
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FilterProcessing::ApplyComposition_Scalar(DataSourceSurface* aSource, DataSourceSurface* aDest,
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CompositeOperator aOperator)
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{
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return ApplyComposition_SIMD<simd::Scalari32x4_t,simd::Scalaru16x8_t,simd::Scalaru8x16_t>(aSource, aDest, aOperator);
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}
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void
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FilterProcessing::SeparateColorChannels_Scalar(const IntSize &size, uint8_t* sourceData, int32_t sourceStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data, int32_t channelStride)
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{
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for (int32_t y = 0; y < size.height; y++) {
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for (int32_t x = 0; x < size.width; x++) {
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int32_t sourceIndex = y * sourceStride + 4 * x;
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int32_t targetIndex = y * channelStride + x;
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channel0Data[targetIndex] = sourceData[sourceIndex];
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channel1Data[targetIndex] = sourceData[sourceIndex+1];
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channel2Data[targetIndex] = sourceData[sourceIndex+2];
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channel3Data[targetIndex] = sourceData[sourceIndex+3];
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}
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}
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}
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void
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FilterProcessing::CombineColorChannels_Scalar(const IntSize &size, int32_t resultStride, uint8_t* resultData, int32_t channelStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data)
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{
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for (int32_t y = 0; y < size.height; y++) {
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for (int32_t x = 0; x < size.width; x++) {
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int32_t resultIndex = y * resultStride + 4 * x;
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int32_t channelIndex = y * channelStride + x;
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resultData[resultIndex] = channel0Data[channelIndex];
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resultData[resultIndex+1] = channel1Data[channelIndex];
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resultData[resultIndex+2] = channel2Data[channelIndex];
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resultData[resultIndex+3] = channel3Data[channelIndex];
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}
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}
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}
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void
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FilterProcessing::DoPremultiplicationCalculation_Scalar(const IntSize& aSize,
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uint8_t* aTargetData, int32_t aTargetStride,
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uint8_t* aSourceData, int32_t aSourceStride)
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{
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for (int32_t y = 0; y < aSize.height; y++) {
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for (int32_t x = 0; x < aSize.width; x++) {
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int32_t inputIndex = y * aSourceStride + 4 * x;
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int32_t targetIndex = y * aTargetStride + 4 * x;
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uint8_t alpha = aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A];
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] =
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FastDivideBy255<uint8_t>(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] * alpha);
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] =
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FastDivideBy255<uint8_t>(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] * alpha);
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] =
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FastDivideBy255<uint8_t>(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] * alpha);
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A] = alpha;
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}
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}
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}
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void
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FilterProcessing::DoUnpremultiplicationCalculation_Scalar(
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const IntSize& aSize,
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uint8_t* aTargetData, int32_t aTargetStride,
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uint8_t* aSourceData, int32_t aSourceStride)
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{
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for (int32_t y = 0; y < aSize.height; y++) {
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for (int32_t x = 0; x < aSize.width; x++) {
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int32_t inputIndex = y * aSourceStride + 4 * x;
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int32_t targetIndex = y * aTargetStride + 4 * x;
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uint8_t alpha = aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A];
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uint16_t alphaFactor = sAlphaFactors[alpha];
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// inputColor * alphaFactor + 128 is guaranteed to fit into uint16_t
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// because the input is premultiplied and thus inputColor <= inputAlpha.
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// The maximum value this can attain is 65520 (which is less than 65535)
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// for color == alpha == 244:
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// 244 * sAlphaFactors[244] + 128 == 244 * 268 + 128 == 65520
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] * alphaFactor + 128) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] * alphaFactor + 128) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] * alphaFactor + 128) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A] = alpha;
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}
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}
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}
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void
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FilterProcessing::DoOpacityCalculation_Scalar(const IntSize& aSize,
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uint8_t* aTargetData, int32_t aTargetStride,
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uint8_t* aSourceData, int32_t aSourceStride,
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Float aValue)
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{
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uint8_t alpha = uint8_t(roundf(255.f * aValue));
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for (int32_t y = 0; y < aSize.height; y++) {
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for (int32_t x = 0; x < aSize.width; x++) {
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int32_t inputIndex = y * aSourceStride + 4 * x;
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int32_t targetIndex = y * aTargetStride + 4 * x;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_R] * alpha) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_G] * alpha) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_B] * alpha) >> 8;
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aTargetData[targetIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A] =
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(aSourceData[inputIndex + B8G8R8A8_COMPONENT_BYTEOFFSET_A] * alpha) >> 8;
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}
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}
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}
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void
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FilterProcessing::DoOpacityCalculationA8_Scalar(const IntSize& aSize,
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uint8_t* aTargetData, int32_t aTargetStride,
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uint8_t* aSourceData, int32_t aSourceStride,
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Float aValue)
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{
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uint8_t alpha = uint8_t(255.f * aValue);
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for (int32_t y = 0; y < aSize.height; y++) {
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for (int32_t x = 0; x < aSize.width; x++) {
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int32_t inputIndex = y * aSourceStride;
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int32_t targetIndex = y * aTargetStride;
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aTargetData[targetIndex] =
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FastDivideBy255<uint8_t>(aSourceData[inputIndex] * alpha);
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}
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}
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}
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already_AddRefed<DataSourceSurface>
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FilterProcessing::RenderTurbulence_Scalar(const IntSize &aSize, const Point &aOffset, const Size &aBaseFrequency,
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int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect &aTileRect)
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{
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return RenderTurbulence_SIMD<simd::Scalarf32x4_t,simd::Scalari32x4_t,simd::Scalaru8x16_t>(
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aSize, aOffset, aBaseFrequency, aSeed, aNumOctaves, aType, aStitch, aTileRect);
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}
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already_AddRefed<DataSourceSurface>
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FilterProcessing::ApplyArithmeticCombine_Scalar(DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4)
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{
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return ApplyArithmeticCombine_SIMD<simd::Scalari32x4_t,simd::Scalari16x8_t,simd::Scalaru8x16_t>(aInput1, aInput2, aK1, aK2, aK3, aK4);
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}
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} // namespace gfx
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} // namespace mozilla
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