Remove dead neonDrawLighting code

Source/platform/graphics/cpu/arm/filters/FELightingNEON.h

Index: Source/platform/graphics/cpu/arm/filters/FELightingNEON.h
diff --git a/Source/platform/graphics/cpu/arm/filters/FELightingNEON.h b/Source/platform/graphics/cpu/arm/filters/FELightingNEON.h
deleted file mode 100644
index 405f738d42894cf514a21919cf66978d9cc68d03..0000000000000000000000000000000000000000
--- a/Source/platform/graphics/cpu/arm/filters/FELightingNEON.h
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (C) 2011 University of Szeged
- * Copyright (C) 2011 Zoltan Herczeg
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FELightingNEON_h
-#define FELightingNEON_h
-
-#if CPU(ARM_NEON) && CPU(ARM_TRADITIONAL) && COMPILER(GCC)
-
-#include "platform/graphics/filters/FELighting.h"
-#include "platform/graphics/filters/ParallelJobs.h"
-#include "wtf/Alignment.h"
-#include "wtf/CPU.h"
-
-namespace WebCore {
-
-// Otherwise: Distant Light.
-#define FLAG_POINT_LIGHT                 0x01
-#define FLAG_SPOT_LIGHT                  0x02
-#define FLAG_CONE_EXPONENT_IS_1          0x04
-
-// Otherwise: Diffuse light.
-#define FLAG_SPECULAR_LIGHT              0x10
-#define FLAG_DIFFUSE_CONST_IS_1          0x20
-#define FLAG_SPECULAR_EXPONENT_IS_1      0x40
-
-// Must be aligned to 16 bytes.
-struct FELightingFloatArgumentsForNeon {
-    float surfaceScale;
-    float minusSurfaceScaleDividedByFour;
-    float diffuseConstant;
-    float padding1;
-
-    float coneCutOffLimit;
-    float coneFullLight;
-    float coneCutOffRange;
-    float constOne;
-
-    float lightX;
-    float lightY;
-    float lightZ;
-    float padding2;
-
-    float directionX;
-    float directionY;
-    float directionZ;
-    float padding3;
-
-    float colorRed;
-    float colorGreen;
-    float colorBlue;
-    float padding4;
-};
-
-struct FELightingPaintingDataForNeon {
-    unsigned char* pixels;
-    float yStart;
-    int widthDecreasedByTwo;
-    int absoluteHeight;
-    // Combination of FLAG constants above.
-    int flags;
-    int specularExponent;
-    int coneExponent;
-    FELightingFloatArgumentsForNeon* floatArguments;
-    short* paintingConstants;
-};
-
-short* feLightingConstantsForNeon();
-
-extern "C" {
-void neonDrawLighting(FELightingPaintingDataForNeon*);
-}
-
-inline void FELighting::platformApplyNeon(LightingData& data, LightSource::PaintingData& paintingData)
-{
-    WTF_ALIGNED(FELightingFloatArgumentsForNeon, floatArguments, 16);
-
-    FELightingPaintingDataForNeon neonData = {
-        data.pixels->data(),
-        1,
-        data.widthDecreasedByOne - 1,
-        data.heightDecreasedByOne - 1,
-        0,
-        0,
-        0,
-        &floatArguments,
-        feLightingConstantsForNeon()
-    };
-
-    // Set light source arguments.
-    floatArguments.constOne = 1;
-
-    floatArguments.colorRed = m_lightingColor.red();
-    floatArguments.colorGreen = m_lightingColor.green();
-    floatArguments.colorBlue = m_lightingColor.blue();
-    floatArguments.padding4 = 0;
-
-    if (data.lightSource->type() == LS_POINT) {
-        neonData.flags |= FLAG_POINT_LIGHT;
-        PointLightSource* pointLightSource = static_cast<PointLightSource*>(data.lightSource.get());
-        floatArguments.lightX = pointLightSource->position().x();
-        floatArguments.lightY = pointLightSource->position().y();
-        floatArguments.lightZ = pointLightSource->position().z();
-        floatArguments.padding2 = 0;
-    } else if (data.lightSource->type() == LS_SPOT) {
-        neonData.flags |= FLAG_SPOT_LIGHT;
-        SpotLightSource* spotLightSource = static_cast<SpotLightSource*>(data.lightSource.get());
-        floatArguments.lightX = spotLightSource->position().x();
-        floatArguments.lightY = spotLightSource->position().y();
-        floatArguments.lightZ = spotLightSource->position().z();
-        floatArguments.padding2 = 0;
-
-        floatArguments.directionX = paintingData.directionVector.x();
-        floatArguments.directionY = paintingData.directionVector.y();
-        floatArguments.directionZ = paintingData.directionVector.z();
-        floatArguments.padding3 = 0;
-
-        floatArguments.coneCutOffLimit = paintingData.coneCutOffLimit;
-        floatArguments.coneFullLight = paintingData.coneFullLight;
-        floatArguments.coneCutOffRange = paintingData.coneCutOffLimit - paintingData.coneFullLight;
-        neonData.coneExponent = getPowerCoefficients(spotLightSource->specularExponent());
-        if (spotLightSource->specularExponent() == 1)
-            neonData.flags |= FLAG_CONE_EXPONENT_IS_1;
-    } else {
-        ASSERT(data.lightSource->type() == LS_DISTANT);
-        floatArguments.lightX = paintingData.lightVector.x();
-        floatArguments.lightY = paintingData.lightVector.y();
-        floatArguments.lightZ = paintingData.lightVector.z();
-        floatArguments.padding2 = 1;
-    }
-
-    // Set lighting arguments.
-    floatArguments.surfaceScale = data.surfaceScale;
-    floatArguments.minusSurfaceScaleDividedByFour = -data.surfaceScale / 4;
-    if (m_lightingType == FELighting::DiffuseLighting) {
-        floatArguments.diffuseConstant = m_diffuseConstant;
-    } else {
-        neonData.flags |= FLAG_SPECULAR_LIGHT;
-        floatArguments.diffuseConstant = m_specularConstant;
-        neonData.specularExponent = getPowerCoefficients(m_specularExponent);
-        if (m_specularExponent == 1)
-            neonData.flags |= FLAG_SPECULAR_EXPONENT_IS_1;
-    }
-    if (floatArguments.diffuseConstant == 1)
-        neonData.flags |= FLAG_DIFFUSE_CONST_IS_1;
-
-    int optimalThreadNumber = ((data.widthDecreasedByOne - 1) * (data.heightDecreasedByOne - 1)) / s_minimalRectDimension;
-    if (optimalThreadNumber > 1) {
-        // Initialize parallel jobs
-        ParallelJobs<FELightingPaintingDataForNeon> parallelJobs(&WebCore::FELighting::platformApplyNeonWorker, optimalThreadNumber);
-
-        // Fill the parameter array
-        int job = parallelJobs.numberOfJobs();
-        if (job > 1) {
-            int yStart = 1;
-            int yStep = (data.heightDecreasedByOne - 1) / job;
-            for (--job; job >= 0; --job) {
-                FELightingPaintingDataForNeon& params = parallelJobs.parameter(job);
-                params = neonData;
-                params.yStart = yStart;
-                params.pixels += (yStart - 1) * (data.widthDecreasedByOne + 1) * 4;
-                if (job > 0) {
-                    params.absoluteHeight = yStep;
-                    yStart += yStep;
-                } else {
-                    params.absoluteHeight = data.heightDecreasedByOne - yStart;
-                }
-            }
-            parallelJobs.execute();
-            return;
-        }
-    }
-
-    neonDrawLighting(&neonData);
-}
-
-} // namespace WebCore
-
-#endif // CPU(ARM_NEON) && CPU(ARM_TRADITIONAL) && COMPILER(GCC)
-
-#endif // FELightingNEON_h