Remove dead code in SkBitmapFilter_opts_SSE2.h/cpp

src/opts/SkBitmapFilter_opts_SSE2.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <emmintrin.h>
 #include "SkBitmap.h"
 #include "SkBitmapFilter_opts_SSE2.h"
@@ skipping 90 matching lines @@
         int r = SkClampMax(localResult[1], a);
         int g = SkClampMax(localResult[2], a);
         int b = SkClampMax(localResult[3], a);
 
         *colors++ = SkPackARGB32(a, r, g, b);
 
         x++;
     }
 }
 
-void highQualityFilter_ScaleOnly_SSE2(const SkBitmapProcState &s, int x, int y,
-                             SkPMColor *SK_RESTRICT colors, int count) {
-    const int maxX = s.fBitmap->width() - 1;
-    const int maxY = s.fBitmap->height() - 1;
-
-    SkPoint srcPt;
-    s.fInvProc(s.fInvMatrix, SkIntToScalar(x),
-                SkIntToScalar(y), &srcPt);
-    srcPt.fY -= SK_ScalarHalf;
-    int sy = SkScalarFloorToInt(srcPt.fY);
-
-    int y0 = SkTMax(0, int(ceil(sy-s.getBitmapFilter()->width() + 0.5f)));
-    int y1 = SkTMin(maxY, int(floor(sy+s.getBitmapFilter()->width() + 0.5f)));
-
-    while (count-- > 0) {
-        srcPt.fX -= SK_ScalarHalf;
-        srcPt.fY -= SK_ScalarHalf;
-
-        int sx = SkScalarFloorToInt(srcPt.fX);
-
-        float weight = 0;
-        __m128 accum = _mm_setzero_ps();
-
-        int x0 = SkTMax(0, int(ceil(sx-s.getBitmapFilter()->width() + 0.5f)));
-        int x1 = SkTMin(maxX, int(floor(sx+s.getBitmapFilter()->width() + 0.5f)));
-
-        for (int src_y = y0; src_y <= y1; src_y++) {
-            float yweight = SkScalarToFloat(s.getBitmapFilter()->lookupScalar(srcPt.fY - src_y));
-
-            for (int src_x = x0; src_x <= x1 ; src_x++) {
-                float xweight = SkScalarToFloat(s.getBitmapFilter()->lookupScalar(srcPt.fX - src_x));
-
-                float combined_weight = xweight * yweight;
-
-                SkPMColor color = *s.fBitmap->getAddr32(src_x, src_y);
-
-                __m128 c = _mm_set_ps((float)SkGetPackedB32(color),
-                                      (float)SkGetPackedG32(color),
-                                      (float)SkGetPackedR32(color),
-                                      (float)SkGetPackedA32(color));
-
-                __m128 weightVector = _mm_set1_ps(combined_weight);
-
-                accum = _mm_add_ps(accum, _mm_mul_ps(c, weightVector));
-                weight += combined_weight;
-            }
-        }
-
-        __m128 totalWeightVector = _mm_set1_ps(weight);
-        accum = _mm_div_ps(accum, totalWeightVector);
-        accum = _mm_add_ps(accum, _mm_set1_ps(0.5f));
-
-        float localResult[4];
-        _mm_storeu_ps(localResult, accum);
-        int a = SkClampMax(int(localResult[0]), 255);
-        int r = SkClampMax(int(localResult[1]), a);
-        int g = SkClampMax(int(localResult[2]), a);
-        int b = SkClampMax(int(localResult[3]), a);
-
-        *colors++ = SkPackARGB32(a, r, g, b);
-
-        x++;
-
-        s.fInvProc(s.fInvMatrix, SkIntToScalar(x),
-                    SkIntToScalar(y), &srcPt);
-    }
-}
-
 // Convolves horizontally along a single row. The row data is given in
 // |src_data| and continues for the num_values() of the filter.
 void convolveHorizontally_SSE2(const unsigned char* src_data,
                                const SkConvolutionFilter1D& filter,
                                unsigned char* out_row,
                                bool /*has_alpha*/) {
     int num_values = filter.numValues();
 
     int filter_offset, filter_length;
     __m128i zero = _mm_setzero_si128();
@@ skipping 432 matching lines @@
 void applySIMDPadding_SSE2(SkConvolutionFilter1D *filter) {
     // Padding |paddingCount| of more dummy coefficients after the coefficients
     // of last filter to prevent SIMD instructions which load 8 or 16 bytes
     // together to access invalid memory areas. We are not trying to align the
     // coefficients right now due to the opaqueness of <vector> implementation.
     // This has to be done after all |AddFilter| calls.
     for (int i = 0; i < 8; ++i) {
         filter->addFilterValue(static_cast<SkConvolutionFilter1D::ConvolutionFixed>(0));
     }
 }