Add support for converting cc::FilterOperations into an SkImageFilter

cc/output/renderer_pixeltest.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 "base/message_loop/message_loop.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
@@ skipping 71 matching lines @@
     SharedQuadState* shared_state, gfx::Rect rect, RenderPass::Id pass_id) {
   scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
   quad->SetNew(shared_state,
                rect,
                pass_id,
                false,         // is_replica
                0,             // mask_resource_id
                rect,          // contents_changed_since_last_frame
                gfx::RectF(),  // mask_uv_rect
                FilterOperations(),   // foreground filters
-               skia::RefPtr<SkImageFilter>(),   // foreground filter
                FilterOperations());  // background filters
 
   return quad.PassAs<DrawQuad>();
 }
 
 scoped_ptr<TextureDrawQuad> CreateTestTextureDrawQuad(
     gfx::Rect rect,
     SkColor texel_color,
     SkColor background_color,
     bool premultiplied_alpha,
@@ skipping 513 matching lines @@
   matrix[10] = 0.213f - 0.213f * amount;
   matrix[11] = 0.715f - 0.715f * amount;
   matrix[12] = 1.f - (matrix[10] + matrix[11]);
   matrix[13] = matrix[14] = 0;
   matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0;
   matrix[18] = 1;
   skia::RefPtr<SkColorFilter> colorFilter(skia::AdoptRef(
       new SkColorMatrixFilter(matrix)));
   skia::RefPtr<SkImageFilter> filter =
       skia::AdoptRef(SkColorFilterImageFilter::Create(colorFilter.get(), NULL));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateReferenceFilter(filter));
 
   scoped_ptr<RenderPassDrawQuad> render_pass_quad =
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state.get(),
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
-                           FilterOperations(),
-                           filter,
+                           filters,
                            FilterOperations());
 
   root_pass->quad_list.push_back(render_pass_quad.PassAs<DrawQuad>());
 
   RenderPassList pass_list;
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
   // This test has alpha=254 for the software renderer vs. alpha=255 for the gl
   // renderer so use a fuzzy comparator.
@@ skipping 71 matching lines @@
   matrix[11] = 0.715f - 0.715f * amount;
   matrix[12] = 1.f - (matrix[10] + matrix[11]);
   matrix[13] = 0;
   matrix[14] = 1.5f;
   matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0;
   matrix[18] = 1;
   skia::RefPtr<SkColorFilter> colorFilter(skia::AdoptRef(
       new SkColorMatrixFilter(matrix)));
   skia::RefPtr<SkImageFilter> filter =
       skia::AdoptRef(SkColorFilterImageFilter::Create(colorFilter.get(), NULL));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateReferenceFilter(filter));
 
   scoped_ptr<RenderPassDrawQuad> render_pass_quad =
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state.get(),
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
-                           FilterOperations(),
-                           filter,
+                           filters,
                            FilterOperations());
 
   root_pass->quad_list.push_back(render_pass_quad.PassAs<DrawQuad>());
   RenderPassList pass_list;
 
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
   // This test has alpha=254 for the software renderer vs. alpha=255 for the gl
   // renderer so use a fuzzy comparator.
@@ skipping 173 matching lines @@
           RenderPassDrawQuad::Create();
       filter_pass_quad->SetNew(
           shared_state.get(),
           filter_pass_content_rect_,
           filter_pass_id,
           false,  // is_replica
           0,  // mask_resource_id
           filter_pass_content_rect_,  // contents_changed_since_last_frame
           gfx::RectF(),  // mask_uv_rect
           FilterOperations(),  // filters
-          skia::RefPtr<SkImageFilter>(),  // filter
           this->background_filters_);
       root_pass->quad_list.push_back(filter_pass_quad.PassAs<DrawQuad>());
       root_pass->shared_quad_state_list.push_back(shared_state.Pass());
     }
 
     const int kColumnWidth = device_viewport_rect.width() / 3;
 
     gfx::Rect left_rect = gfx::Rect(0, 0, kColumnWidth, 20);
     for (int i = 0; left_rect.y() < device_viewport_rect.height(); ++i) {
       scoped_ptr<SharedQuadState> shared_state =
@@ skipping 724 matching lines @@
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       PixelTest::NoOffscreenContext,
       base::FilePath(FILE_PATH_LITERAL("four_blue_green_checkers.png")),
       ExactPixelComparator(true)));
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace
 }  // namespace cc