Working plumb of image scaling:

src/opts/SkBitmapProcState_opts_SSE2.cpp

 
 /*
  * Copyright 2009 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include <emmintrin.h>
 #include "SkBitmapProcState_opts_SSE2.h"
 #include "SkUtils.h"
 
 void S32_opaque_D32_filter_DX_SSE2(const SkBitmapProcState& s,
                                    const uint32_t* xy,
                                    int count, uint32_t* colors) {
     SkASSERT(count > 0 && colors != NULL);
-    SkASSERT(s.fDoFilter);
+    SkASSERT(s.fFilterQuality != SkBitmapProcState::kNone_BitmapFilter);
     SkASSERT(s.fBitmap->config() == SkBitmap::kARGB_8888_Config);
     SkASSERT(s.fAlphaScale == 256);
 
     const char* srcAddr = static_cast<const char*>(s.fBitmap->getPixels());
     size_t rb = s.fBitmap->rowBytes();
     uint32_t XY = *xy++;
     unsigned y0 = XY >> 14;
     const uint32_t* row0 = reinterpret_cast<const uint32_t*>(srcAddr + (y0 >> 4) * rb);
     const uint32_t* row1 = reinterpret_cast<const uint32_t*>(srcAddr + (XY & 0x3FFF) * rb);
     unsigned subY = y0 & 0xF;
@@ skipping 85 matching lines @@
 
         // Extract low int and store.
         *colors++ = _mm_cvtsi128_si32(sum);
     } while (--count > 0);
 }
 
 void S32_alpha_D32_filter_DX_SSE2(const SkBitmapProcState& s,
                                   const uint32_t* xy,
                                   int count, uint32_t* colors) {
     SkASSERT(count > 0 && colors != NULL);
-    SkASSERT(s.fDoFilter);
+    SkASSERT(s.fFilterQuality != SkBitmapProcState::kNone_BitmapFilter);
     SkASSERT(s.fBitmap->config() == SkBitmap::kARGB_8888_Config);
     SkASSERT(s.fAlphaScale < 256);
 
     const char* srcAddr = static_cast<const char*>(s.fBitmap->getPixels());
     size_t rb = s.fBitmap->rowBytes();
     uint32_t XY = *xy++;
     unsigned y0 = XY >> 14;
     const uint32_t* row0 = reinterpret_cast<const uint32_t*>(srcAddr + (y0 >> 4) * rb);
     const uint32_t* row1 = reinterpret_cast<const uint32_t*>(srcAddr + (XY & 0x3FFF) * rb);
     unsigned subY = y0 & 0xF;
@@ skipping 499 matching lines @@
 }
 
 /*  SSE version of S32_D16_filter_DX_SSE2
  *  Definition is in section of "D16 functions for SRC == 8888" in SkBitmapProcState.cpp
  *  It combines S32_opaque_D32_filter_DX_SSE2 and SkPixel32ToPixel16
  */
 void S32_D16_filter_DX_SSE2(const SkBitmapProcState& s,
                                    const uint32_t* xy,
                                    int count, uint16_t* colors) {
     SkASSERT(count > 0 && colors != NULL);
-    SkASSERT(s.fDoFilter);
+    SkASSERT(s.fFilterQuality != SkBitmapProcState::kNone_BitmapFilter);
     SkASSERT(s.fBitmap->config() == SkBitmap::kARGB_8888_Config);
     SkASSERT(s.fBitmap->isOpaque());
 
     SkPMColor dstColor;
     const char* srcAddr = static_cast<const char*>(s.fBitmap->getPixels());
     size_t rb = s.fBitmap->rowBytes();
     uint32_t XY = *xy++;
     unsigned y0 = XY >> 14;
     const uint32_t* row0 = reinterpret_cast<const uint32_t*>(srcAddr + (y0 >> 4) * rb);
     const uint32_t* row1 = reinterpret_cast<const uint32_t*>(srcAddr + (XY & 0x3FFF) * rb);
@@ skipping 101 matching lines @@
         unsigned g = (g32 & ((1<<6) -1)) << 5;
 
         _m_temp2 = _mm_srli_epi32(_m_temp2, 9);
         unsigned int b32 = _mm_cvtsi128_si32(_m_temp2);
         unsigned b = (b32 & ((1<<5) -1));
 
         *colors++ = r | g | b;
 
     } while (--count > 0);
 }