Raster PictureLayerTiling with fractional translation

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/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/base/render_surface_filters.h"
+#include "cc/base/scale_translate2d.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/output_surface_frame.h"
 #include "cc/output/renderer_settings.h"
 #include "cc/output/software_output_device.h"
 #include "cc/quads/debug_border_draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
@@ skipping 334 matching lines @@
     // cases and fall back to a persistent bitmap backing
     // (http://crbug.com/280374).
     // TODO(vmpstr): Fold this canvas into playback and have raster source
     // accept a set of settings on playback that will determine which canvas to
     // apply. (http://crbug.com/594679)
     skia::OpacityFilterCanvas filtered_canvas(current_canvas_,
                                               quad->shared_quad_state->opacity,
                                               disable_image_filtering);
     quad->raster_source->PlaybackToCanvas(
         &filtered_canvas, canvas_color_space, quad->content_rect,
-        quad->content_rect, quad->contents_scale, playback_settings);
+        quad->content_rect,
+        ScaleTranslate2d(quad->contents_scale, gfx::Vector2dF()),
+        playback_settings);
   } else {
     quad->raster_source->PlaybackToCanvas(
         current_canvas_, canvas_color_space, quad->content_rect,
-        quad->content_rect, quad->contents_scale, playback_settings);
+        quad->content_rect,
+        ScaleTranslate2d(quad->contents_scale, gfx::Vector2dF()),
+        playback_settings);
   }
 }
 
 void SoftwareRenderer::DrawSolidColorQuad(const SolidColorDrawQuad* quad) {
   gfx::RectF visible_quad_vertex_rect = MathUtil::ScaleRectProportional(
       QuadVertexRect(), gfx::RectF(quad->rect), gfx::RectF(quad->visible_rect));
   current_paint_.setColor(quad->color);
   current_paint_.setAlpha(quad->shared_quad_state->opacity *
                           SkColorGetA(quad->color));
   current_canvas_->drawRect(gfx::RectFToSkRect(visible_quad_vertex_rect),
@@ skipping 343 matching lines @@
       ApplyImageFilter(filter.get(), quad, backdrop_bitmap, nullptr);
 
   if (!filter_backdrop_image)
     return nullptr;
 
   return filter_backdrop_image->makeShader(content_tile_mode, content_tile_mode,
                                            &filter_backdrop_transform);
 }
 
 }  // namespace cc