Respect quad->nearest_neighbor in SoftwareRenderer::DrawTextureQuad

cc/output/software_renderer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/software_renderer.h"
 
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 435 matching lines @@
   bool needs_layer = blend_background && (current_paint_.getAlpha() != 0xFF);
   if (needs_layer) {
     current_canvas_->saveLayerAlpha(&quad_rect, current_paint_.getAlpha());
     current_paint_.setAlpha(0xFF);
   }
   if (blend_background) {
     SkPaint background_paint;
     background_paint.setColor(quad->background_color);
     current_canvas_->drawRect(quad_rect, background_paint);
   }
+  current_paint_.setFilterQuality(
+      quad->nearest_neighbor ? kNone_SkFilterQuality : kLow_SkFilterQuality);
   SkShader::TileMode tile_mode = WrapModeToTileMode(lock.wrap_mode());
   if (tile_mode != SkShader::kClamp_TileMode) {
     SkMatrix matrix;
     matrix.setRectToRect(sk_uv_rect, quad_rect, SkMatrix::kFill_ScaleToFit);
     skia::RefPtr<SkShader> shader = skia::AdoptRef(
         SkShader::CreateBitmapShader(*bitmap, tile_mode, tile_mode, &matrix));
     SkPaint paint;
     paint.setStyle(SkPaint::kFill_Style);
     paint.setShader(shader.get());
     current_canvas_->drawRect(quad_rect, paint);
@@ skipping 183 matching lines @@
 }
 
 void SoftwareRenderer::DidChangeVisibility() {
   if (visible())
     EnsureBackbuffer();
   else
     DiscardBackbuffer();
 }
 
 }  // namespace cc