Pass resourceless software mode in BeginFrameArgs

cc/layers/picture_layer_impl_unittest.cc

 // Copyright 2013 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/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <utility>
@@ skipping 301 matching lines @@
   scoped_refptr<FakePicturePileImpl> active_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 
   SetupTrees(pending_pile, active_pile);
 
   Region invalidation;
   AddDefaultTilingsWithInvalidation(invalidation);
   SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
 
   // UpdateTiles with valid viewport. Should update tile viewport.
-  bool valid_for_tile_management = true;
+  // Note viewport is considered invalid if and only if in resourceless
+  // software draw.
+  bool resourceless_software_draw = false;
   gfx::Rect viewport = gfx::Rect(layer_bounds);
   gfx::Transform transform;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->draw_properties().visible_content_rect = viewport;
   active_layer_->draw_properties().screen_space_transform = transform;
   active_layer_->UpdateTiles(NULL);
 
   gfx::Rect visible_rect_for_tile_priority =
       active_layer_->visible_rect_for_tile_priority();
   EXPECT_FALSE(visible_rect_for_tile_priority.IsEmpty());
   gfx::Size viewport_size_for_tile_priority =
       active_layer_->viewport_size_for_tile_priority();
   EXPECT_FALSE(viewport_size_for_tile_priority.IsEmpty());
   gfx::Transform screen_space_transform_for_tile_priority =
       active_layer_->screen_space_transform_for_tile_priority();
 
   // Expand viewport and set it as invalid for prioritizing tiles.
   // Should not update tile viewport.
   time_ticks += base::TimeDelta::FromMilliseconds(200);
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
-  valid_for_tile_management = false;
+  resourceless_software_draw = true;
   viewport = gfx::ScaleToEnclosingRect(viewport, 2);
   transform.Translate(1.f, 1.f);
   active_layer_->draw_properties().visible_content_rect = viewport;
   active_layer_->draw_properties().screen_space_transform = transform;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->UpdateTiles(NULL);
 
   EXPECT_RECT_EQ(visible_rect_for_tile_priority,
                  active_layer_->visible_rect_for_tile_priority());
   EXPECT_SIZE_EQ(viewport_size_for_tile_priority,
                  active_layer_->viewport_size_for_tile_priority());
   EXPECT_TRANSFORMATION_MATRIX_EQ(
       screen_space_transform_for_tile_priority,
       active_layer_->screen_space_transform_for_tile_priority());
 
   // Keep expanded viewport but mark it valid. Should update tile viewport.
   time_ticks += base::TimeDelta::FromMilliseconds(200);
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
-  valid_for_tile_management = true;
+  resourceless_software_draw = false;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->UpdateTiles(NULL);
 
   EXPECT_FALSE(visible_rect_for_tile_priority ==
                active_layer_->visible_rect_for_tile_priority());
   EXPECT_FALSE(viewport_size_for_tile_priority ==
                active_layer_->viewport_size_for_tile_priority());
   EXPECT_FALSE(screen_space_transform_for_tile_priority ==
                active_layer_->screen_space_transform_for_tile_priority());
 }
 
 TEST_F(PictureLayerImplTest, InvalidViewportAfterReleaseResources) {
   base::TimeTicks time_ticks;
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
 
   gfx::Size tile_size(100, 100);
   gfx::Size layer_bounds(400, 400);
 
   scoped_refptr<FakePicturePileImpl> pending_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
   scoped_refptr<FakePicturePileImpl> active_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 
   SetupTrees(pending_pile, active_pile);
 
   Region invalidation;
   AddDefaultTilingsWithInvalidation(invalidation);
 
-  bool valid_for_tile_management = false;
+  bool resourceless_software_draw = true;
   gfx::Rect viewport = gfx::Rect(layer_bounds);
-  host_impl_.SetExternalDrawConstraints(
-      gfx::Transform(), viewport, viewport, valid_for_tile_management);
+  host_impl_.SetExternalDrawConstraints(gfx::Transform(),
+                                        viewport,
+                                        viewport,
+                                        resourceless_software_draw);
   ResetTilingsAndRasterScales();
   host_impl_.pending_tree()->UpdateDrawProperties();
   host_impl_.active_tree()->UpdateDrawProperties();
   EXPECT_TRUE(active_layer_->HighResTiling());
 
   size_t num_tilings = active_layer_->num_tilings();
   active_layer_->UpdateTiles(NULL);
   pending_layer_->AddTiling(0.5f);
   EXPECT_EQ(num_tilings + 1, active_layer_->num_tilings());
 }
@@ skipping 2003 matching lines @@
   scoped_refptr<FakePicturePileImpl> active_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 
   SetupTrees(pending_pile, active_pile);
 
   Region invalidation;
   AddDefaultTilingsWithInvalidation(invalidation);
   SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
 
   // UpdateTiles with valid viewport. Should update tile viewport.
-  bool valid_for_tile_management = true;
+  // Note viewport is considered invalid if and only if in resourceless
+  // software draw.
+  bool resourceless_software_draw = false;
   gfx::Rect viewport = gfx::Rect(layer_bounds);
   gfx::Transform transform;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->draw_properties().visible_content_rect = viewport;
   active_layer_->draw_properties().screen_space_transform = transform;
   active_layer_->UpdateTiles(NULL);
 
   gfx::Rect visible_rect_for_tile_priority =
       active_layer_->visible_rect_for_tile_priority();
   EXPECT_FALSE(visible_rect_for_tile_priority.IsEmpty());
   gfx::Size viewport_size_for_tile_priority =
       active_layer_->viewport_size_for_tile_priority();
   EXPECT_FALSE(viewport_size_for_tile_priority.IsEmpty());
   gfx::Transform screen_space_transform_for_tile_priority =
       active_layer_->screen_space_transform_for_tile_priority();
 
   // Expand viewport and set it as invalid for prioritizing tiles.
   // Should not update tile viewport.
   time_ticks += base::TimeDelta::FromMilliseconds(200);
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
-  valid_for_tile_management = false;
+  resourceless_software_draw = true;
   viewport = gfx::ScaleToEnclosingRect(viewport, 2);
   transform.Translate(1.f, 1.f);
   active_layer_->draw_properties().visible_content_rect = viewport;
   active_layer_->draw_properties().screen_space_transform = transform;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->UpdateTiles(NULL);
 
   EXPECT_RECT_EQ(visible_rect_for_tile_priority,
                  active_layer_->visible_rect_for_tile_priority());
   EXPECT_SIZE_EQ(viewport_size_for_tile_priority,
                  active_layer_->viewport_size_for_tile_priority());
   EXPECT_TRANSFORMATION_MATRIX_EQ(
       screen_space_transform_for_tile_priority,
       active_layer_->screen_space_transform_for_tile_priority());
 
   // Keep expanded viewport but mark it valid. Should update tile viewport.
   time_ticks += base::TimeDelta::FromMilliseconds(200);
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
-  valid_for_tile_management = true;
+  resourceless_software_draw = false;
   host_impl_.SetExternalDrawConstraints(
-      transform, viewport, viewport, valid_for_tile_management);
+      transform, viewport, viewport, resourceless_software_draw);
   active_layer_->UpdateTiles(NULL);
 
   EXPECT_FALSE(visible_rect_for_tile_priority ==
                active_layer_->visible_rect_for_tile_priority());
   EXPECT_FALSE(viewport_size_for_tile_priority ==
                active_layer_->viewport_size_for_tile_priority());
   EXPECT_FALSE(screen_space_transform_for_tile_priority ==
                active_layer_->screen_space_transform_for_tile_priority());
 }
 
 TEST_F(NoLowResPictureLayerImplTest, InvalidViewportAfterReleaseResources) {
   base::TimeTicks time_ticks;
   host_impl_.SetCurrentFrameTimeTicks(time_ticks);
 
   gfx::Size tile_size(100, 100);
   gfx::Size layer_bounds(400, 400);
 
   scoped_refptr<FakePicturePileImpl> pending_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
   scoped_refptr<FakePicturePileImpl> active_pile =
       FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 
   SetupTrees(pending_pile, active_pile);
 
   Region invalidation;
   AddDefaultTilingsWithInvalidation(invalidation);
 
-  bool valid_for_tile_management = false;
+  bool resourceless_software_draw = true;
   gfx::Rect viewport = gfx::Rect(layer_bounds);
   host_impl_.SetExternalDrawConstraints(
-      gfx::Transform(), viewport, viewport, valid_for_tile_management);
+      gfx::Transform(), viewport, viewport, resourceless_software_draw);
   ResetTilingsAndRasterScales();
   host_impl_.pending_tree()->UpdateDrawProperties();
   host_impl_.active_tree()->UpdateDrawProperties();
   EXPECT_TRUE(active_layer_->HighResTiling());
 
   size_t num_tilings = active_layer_->num_tilings();
   active_layer_->UpdateTiles(NULL);
   pending_layer_->AddTiling(0.5f);
   EXPECT_EQ(num_tilings + 1, active_layer_->num_tilings());
 }
@@ skipping 692 matching lines @@
         // Unshared tiles are occluded on the active tree iff they lie beneath
         // the occluding layer.
         EXPECT_EQ(tile->is_occluded(ACTIVE_TREE),
                   scaled_content_rect.x() >= occluding_layer_position.x());
       }
     }
   }
 }
 }  // namespace
 }  // namespace cc