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Remove dead code in SkBitmapFilter_opts_SSE2.h/cpp

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BUG=skia:
R=mtklein@google.com, humper@google.com

Author: qiankun.miao@intel.com

Review URL: https://codereview.chromium.org/530673002
This commit is contained in:
qiankun.miao 2014-09-03 06:27:54 -07:00 committed by Commit bot
parent 2e9176c348
commit a695514ced
2 changed files with 0 additions and 70 deletions
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68
src/opts/SkBitmapFilter_opts_SSE2.cpp
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@ -108,74 +108,6 @@ void highQualityFilter_SSE2(const SkBitmapProcState& s, int x, int y,
}
}
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,

2
src/opts/SkBitmapFilter_opts_SSE2.h
View File

@ -11,8 +11,6 @@
#include "SkBitmapProcState.h"
#include "SkConvolver.h"
void highQualityFilter_ScaleOnly_SSE2(const SkBitmapProcState &s, int x, int y,
SkPMColor *SK_RESTRICT colors, int count);
void highQualityFilter_SSE2(const SkBitmapProcState &s, int x, int y,
SkPMColor *SK_RESTRICT colors, int count);