Implement HiDPI and pinch-zoom scaling of filter params

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 91 matching lines @@
       render_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   quad->SetNew(shared_state,
                rect,
                rect,
                pass_id,
                false,                 // is_replica
                0,                     // mask_resource_id
                rect,                  // contents_changed_since_last_frame
                gfx::RectF(1.f, 1.f),  // mask_uv_rect
                FilterOperations(),    // foreground filters
+               gfx::Vector2dF(),      // filters scale
                FilterOperations());   // background filters
 }
 
 void CreateTestTextureDrawQuad(const gfx::Rect& rect,
                                SkColor texel_color,
                                SkColor background_color,
                                bool premultiplied_alpha,
                                const SharedQuadState* shared_state,
                                ResourceProvider* resource_provider,
                                RenderPass* render_pass) {
@@ skipping 682 matching lines @@
       root_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
+                           gfx::Vector2dF(),
                            FilterOperations());
 
   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.
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
@@ skipping 52 matching lines @@
       root_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
+                           gfx::Vector2dF(),
                            FilterOperations());
 
   RenderPassList pass_list;
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_alpha.png")),
       ExactPixelComparator(true)));
@@ skipping 51 matching lines @@
       root_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
+                           gfx::Vector2dF(),
                            FilterOperations());
 
   RenderPassList pass_list;
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_filter_chain.png")),
       ExactPixelComparator(true)));
@@ skipping 73 matching lines @@
       root_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
+                           gfx::Vector2dF(),
                            FilterOperations());
 
   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.
   EXPECT_TRUE(this->RunPixelTest(
@@ skipping 188 matching lines @@
       root_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   mask_quad->SetNew(root_pass_shared_state,
                     sub_rect,
                     sub_rect,
                     child_pass_id,
                     false,  // is_replica
                     mask_resource_id,
                     sub_rect,              // contents_changed_since_last_frame
                     gfx::RectF(1.f, 1.f),  // mask_uv_rect
                     FilterOperations(),    // foreground filters
+                    gfx::Vector2dF(),      // filters scale
                     FilterOperations());   // background filters
 
   // White background behind the masked render pass.
   SolidColorDrawQuad* white =
       root_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
   white->SetNew(root_pass_shared_state,
                 viewport_rect,
                 viewport_rect,
                 SK_ColorWHITE,
                 false);
@@ skipping 54 matching lines @@
       filter_pass_quad->SetNew(
           shared_state,
           filter_pass_content_rect_,
           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
+          gfx::Vector2dF(),           // filters_scale
           this->background_filters_);
     }
 
     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) {
       SharedQuadState* shared_state = CreateTestSharedQuadState(
           identity_content_to_target_transform, left_rect, root_pass.get());
       SolidColorDrawQuad* color_quad =
@@ skipping 832 matching lines @@
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("wrap_mode_repeat.png")),
       FuzzyPixelOffByOneComparator(true)));
 }
 
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace
 }  // namespace cc