: LayerImpl(tree_impl, id),
twin_layer_(NULL),
pile_(PicturePileImpl::Create()),
- is_mask_(false),
ideal_page_scale_(0.f),
ideal_device_scale_(0.f),
ideal_source_scale_(0.f),
LayerImpl::PushPropertiesTo(base_layer);
// When the pending tree pushes to the active tree, the pending twin
- // disappears.
+ // becomes recycled.
layer_impl->twin_layer_ = NULL;
twin_layer_ = NULL;
- layer_impl->SetIsMask(is_mask_);
layer_impl->pile_ = pile_;
// Tilings would be expensive to push, so we swap.
// unused can be considered for removal.
std::vector<PictureLayerTiling*> seen_tilings;
+ // Ignore missing tiles outside of viewport for tile priority. This is
+ // normally the same as draw viewport but can be independently overridden by
+ // embedders like Android WebView with SetExternalDrawConstraints.
+ gfx::Rect scaled_viewport_for_tile_priority = gfx::ScaleToEnclosingRect(
+ GetViewportForTilePriorityInContentSpace(), max_contents_scale);
+
size_t missing_tile_count = 0u;
size_t on_demand_missing_tile_count = 0u;
for (PictureLayerTilingSet::CoverageIterator iter(tilings_.get(),
append_quads_data->visible_content_area +=
visible_geometry_rect.width() * visible_geometry_rect.height();
+ bool has_draw_quad = false;
if (*iter && iter->IsReadyToDraw()) {
const ManagedTileState::TileVersion& tile_version =
iter->GetTileVersionForDrawing();
gfx::Rect opaque_rect = iter->opaque_rect();
opaque_rect.Intersect(geometry_rect);
- if (iter->contents_scale() != ideal_contents_scale_)
+ if (iter->contents_scale() != ideal_contents_scale_ &&
+ geometry_rect.Intersects(scaled_viewport_for_tile_priority)) {
append_quads_data->num_incomplete_tiles++;
+ }
TileDrawQuad* quad =
render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
texture_rect,
iter.texture_size(),
tile_version.contents_swizzled());
+ has_draw_quad = true;
break;
}
case ManagedTileState::TileVersion::PICTURE_PILE_MODE: {
iter->content_rect(),
iter->contents_scale(),
pile_);
+ has_draw_quad = true;
break;
}
case ManagedTileState::TileVersion::SOLID_COLOR_MODE: {
visible_geometry_rect,
tile_version.get_solid_color(),
false);
+ has_draw_quad = true;
break;
}
}
- } else {
+ }
+
+ if (!has_draw_quad) {
if (draw_checkerboard_for_missing_tiles()) {
CheckerboardDrawQuad* quad =
render_pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
false);
}
- append_quads_data->num_missing_tiles++;
+ if (geometry_rect.Intersects(scaled_viewport_for_tile_priority)) {
+ append_quads_data->num_missing_tiles++;
+ ++missing_tile_count;
+ }
append_quads_data->approximated_visible_content_area +=
visible_geometry_rect.width() * visible_geometry_rect.height();
- ++missing_tile_count;
continue;
}
if (!tiling_needs_update)
return;
+ gfx::Rect visible_rect_in_content_space(
+ GetViewportForTilePriorityInContentSpace());
+ visible_rect_in_content_space.Intersect(visible_content_rect());
+ gfx::Rect visible_layer_rect = gfx::ScaleToEnclosingRect(
+ visible_rect_in_content_space, 1.f / contents_scale_x());
+ WhichTree tree =
+ layer_tree_impl()->IsActiveTree() ? ACTIVE_TREE : PENDING_TREE;
+ for (size_t i = 0; i < tilings_->num_tilings(); ++i) {
+ tilings_->tiling_at(i)->UpdateTilePriorities(tree,
+ visible_layer_rect,
+ ideal_contents_scale_,
+ current_frame_time_in_seconds,
+ occlusion_tracker,
+ render_target(),
+ draw_transform());
+ }
+
+ // Tile priorities were modified.
+ layer_tree_impl()->DidModifyTilePriorities();
+}
+
+gfx::Rect PictureLayerImpl::GetViewportForTilePriorityInContentSpace() const {
// If visible_rect_for_tile_priority_ is empty or
// viewport_rect_for_tile_priority_ is set to be different from the device
// viewport, try to inverse project the viewport into layer space and use
}
}
- gfx::Rect visible_layer_rect = gfx::ScaleToEnclosingRect(
- visible_rect_in_content_space, 1.f / contents_scale_x());
- WhichTree tree =
- layer_tree_impl()->IsActiveTree() ? ACTIVE_TREE : PENDING_TREE;
- for (size_t i = 0; i < tilings_->num_tilings(); ++i) {
- tilings_->tiling_at(i)->UpdateTilePriorities(tree,
- visible_layer_rect,
- ideal_contents_scale_,
- current_frame_time_in_seconds,
- occlusion_tracker,
- render_target(),
- draw_transform());
- }
+ return visible_rect_in_content_space;
+}
- // Tile priorities were modified.
- layer_tree_impl()->DidModifyTilePriorities();
+PictureLayerImpl* PictureLayerImpl::GetRecycledTwinLayer() {
+ // TODO(vmpstr): Maintain recycled twin as a member. crbug.com/407418
+ return static_cast<PictureLayerImpl*>(
+ layer_tree_impl()->FindRecycleTreeLayerById(id()));
}
void PictureLayerImpl::NotifyTileStateChanged(const Tile* tile) {
// TODO(vmpstr): Revisit this. For now, enabling analysis means that we get as
// much savings on memory as we can. However, for some cases like ganesh or
// small layers, the amount of time we spend analyzing might not justify
- // memory savings that we can get.
+ // memory savings that we can get. Note that we don't handle solid color
+ // masks, so we shouldn't bother analyzing those.
// Bugs: crbug.com/397198, crbug.com/396908
- int flags = Tile::USE_PICTURE_ANALYSIS;
+ int flags = 0;
+ if (!pile_->is_mask())
+ flags = Tile::USE_PICTURE_ANALYSIS;
return layer_tree_impl()->tile_manager()->CreateTile(
pile_.get(),
return NULL;
}
+PictureLayerTiling* PictureLayerImpl::GetRecycledTwinTiling(
+ const PictureLayerTiling* tiling) {
+ PictureLayerImpl* recycled_twin = GetRecycledTwinLayer();
+ if (!recycled_twin || !recycled_twin->tilings_)
+ return NULL;
+ return recycled_twin->tilings_->TilingAtScale(tiling->contents_scale());
+}
+
size_t PictureLayerImpl::GetMaxTilesForInterestArea() const {
return layer_tree_impl()->settings().max_tiles_for_interest_area;
}
gfx::Size PictureLayerImpl::CalculateTileSize(
const gfx::Size& content_bounds) const {
- if (is_mask_) {
- int max_size = layer_tree_impl()->MaxTextureSize();
- return gfx::Size(
- std::min(max_size, content_bounds.width()),
- std::min(max_size, content_bounds.height()));
- }
-
int max_texture_size =
layer_tree_impl()->resource_provider()->max_texture_size();
+ if (pile_->is_mask()) {
+ // Masks are not tiled, so if we can't cover the whole mask with one tile,
+ // don't make any tiles at all. Returning an empty size signals this.
+ if (content_bounds.width() > max_texture_size ||
+ content_bounds.height() > max_texture_size)
+ return gfx::Size();
+ return content_bounds;
+ }
+
gfx::Size default_tile_size = layer_tree_impl()->settings().default_tile_size;
if (layer_tree_impl()->use_gpu_rasterization()) {
// TODO(ernstm) crbug.com/365877: We need a unified way to override the
}
}
-void PictureLayerImpl::SetIsMask(bool is_mask) {
- if (is_mask_ == is_mask)
- return;
- is_mask_ = is_mask;
- if (tilings_)
- tilings_->RemoveAllTiles();
-}
-
ResourceProvider::ResourceId PictureLayerImpl::ContentsResourceId() const {
gfx::Rect content_rect(content_bounds());
float scale = MaximumTilingContentsScale();
return 0;
// Masks only supported if they fit on exactly one tile.
- if (iter.geometry_rect() != content_rect)
- return 0;
+ DCHECK(iter.geometry_rect() == content_rect)
+ << "iter rect " << iter.geometry_rect().ToString() << " content rect "
+ << content_rect.ToString();
const ManagedTileState::TileVersion& tile_version =
iter->GetTileVersionForDrawing();
gfx::Rect rect(visible_content_rect());
+ // Only mark tiles inside the viewport for tile priority as required for
+ // activation. This viewport is normally the same as the draw viewport but
+ // can be independently overridden by embedders like Android WebView with
+ // SetExternalDrawConstraints.
+ rect.Intersect(GetViewportForTilePriorityInContentSpace());
+
float min_acceptable_scale =
std::min(raster_contents_scale_, ideal_contents_scale_);
}
}
- // If this layer would only create one tile at this content scale,
+ // If this layer would create zero or one tiles at this content scale,
// don't create a low res tiling.
gfx::Size content_bounds =
gfx::ToCeiledSize(gfx::ScaleSize(bounds(), raster_contents_scale_));
gfx::Size tile_size = CalculateTileSize(content_bounds);
- if (tile_size.width() >= content_bounds.width() &&
- tile_size.height() >= content_bounds.height()) {
+ bool tile_covers_bounds = tile_size.width() >= content_bounds.width() &&
+ tile_size.height() >= content_bounds.height();
+ if (tile_size.IsEmpty() || tile_covers_bounds) {
low_res_raster_contents_scale_ = raster_contents_scale_;
return;
}
if (to_remove.empty())
return;
- PictureLayerImpl* recycled_twin = static_cast<PictureLayerImpl*>(
- layer_tree_impl()->FindRecycleTreeLayerById(id()));
+ PictureLayerImpl* recycled_twin = GetRecycledTwinLayer();
// Remove tilings on this tree and the twin tree.
for (size_t i = 0; i < to_remove.size(); ++i) {
const PictureLayerTiling* twin_tiling = GetTwinTiling(to_remove[i]);
projects / platform / framework / web / crosswalk.git / blobdiff