Scale the ALPHA_THRESHOLD filter's region based on the device scale factor.

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 85 matching lines @@
 
 scoped_ptr<DrawQuad> CreateTestRenderPassDrawQuad(
     SharedQuadState* shared_state,
     const gfx::Rect& rect,
     RenderPass::Id pass_id) {
   scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
   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
-               FilterOperations());   // background filters
+               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
+               FilterOperations(),         // background filters
+               gfx::Vector2dF(1.f, 1.f));  // scale
 
   return quad.PassAs<DrawQuad>();
 }
 
 scoped_ptr<TextureDrawQuad> CreateTestTextureDrawQuad(
     const gfx::Rect& rect,
     SkColor texel_color,
     SkColor background_color,
     bool premultiplied_alpha,
     SharedQuadState* shared_state,
@@ skipping 705 matching lines @@
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
-                           FilterOperations());
+                           FilterOperations(),
+                           gfx::Vector2dF(1.f, 1.f));
 
   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.
   EXPECT_TRUE(this->RunPixelTest(
@@ skipping 54 matching lines @@
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
-                           FilterOperations());
+                           FilterOperations(),
+                           gfx::Vector2dF(1.f, 1.f));
 
   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());
 
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_alpha.png")),
@@ skipping 53 matching lines @@
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
-                           FilterOperations());
+                           FilterOperations(),
+                           gfx::Vector2dF(1.f, 1.f));  // scale
 
   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());
 
   EXPECT_TRUE(this->RunPixelTest(
       &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_filter_chain.png")),
@@ skipping 75 matching lines @@
       RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state,
                            pass_rect,
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            filters,
-                           FilterOperations());
+                           FilterOperations(),
+                           gfx::Vector2dF(1.f, 1.f));  // scale
 
   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.
   EXPECT_TRUE(this->RunPixelTest(
@@ skipping 189 matching lines @@
   scoped_ptr<RenderPassDrawQuad> mask_quad = RenderPassDrawQuad::Create();
   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
-                    FilterOperations());   // background filters
+                    FilterOperations(),    // background filters
+                    gfx::Vector2dF(1.f, 1.f));  // scale
+
   root_pass->quad_list.push_back(mask_quad.PassAs<DrawQuad>());
 
   // White background behind the masked render pass.
   scoped_ptr<SolidColorDrawQuad> white = SolidColorDrawQuad::Create();
   white->SetNew(root_pass_shared_state,
                 viewport_rect,
                 viewport_rect,
                 SK_ColorWHITE,
                 false);
   root_pass->quad_list.push_back(white.PassAs<DrawQuad>());
@@ 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
-          this->background_filters_);
+          this->background_filters_,
+          gfx::Vector2dF(1.f, 1.f));  // scale
+
       root_pass->quad_list.push_back(filter_pass_quad.PassAs<DrawQuad>());
     }
 
     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(
           root_pass.get(), identity_content_to_target_transform, left_rect);
       scoped_ptr<SolidColorDrawQuad> color_quad = SolidColorDrawQuad::Create();
@@ skipping 847 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