| // 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 "cc/layers/picture_layer_impl.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <limits> |
| #include <set> |
| |
| #include "base/metrics/histogram_macros.h" |
| #include "base/no_destructor.h" |
| #include "base/time/time.h" |
| #include "base/trace_event/traced_value.h" |
| #include "build/build_config.h" |
| #include "cc/base/math_util.h" |
| #include "cc/benchmarks/micro_benchmark_impl.h" |
| #include "cc/debug/debug_colors.h" |
| #include "cc/layers/append_quads_data.h" |
| #include "cc/layers/solid_color_layer_impl.h" |
| #include "cc/paint/display_item_list.h" |
| #include "cc/tiles/tile_manager.h" |
| #include "cc/tiles/tiling_set_raster_queue_all.h" |
| #include "cc/trees/layer_tree_impl.h" |
| #include "cc/trees/occlusion.h" |
| #include "components/viz/common/frame_sinks/begin_frame_args.h" |
| #include "components/viz/common/quads/debug_border_draw_quad.h" |
| #include "components/viz/common/quads/picture_draw_quad.h" |
| #include "components/viz/common/quads/solid_color_draw_quad.h" |
| #include "components/viz/common/quads/tile_draw_quad.h" |
| #include "components/viz/common/traced_value.h" |
| #include "ui/gfx/geometry/quad_f.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| |
| namespace cc { |
| namespace { |
| // This must be > 1 as we multiply or divide by this to find a new raster |
| // scale during pinch. |
| const float kMaxScaleRatioDuringPinch = 2.0f; |
| |
| // When creating a new tiling during pinch, snap to an existing |
| // tiling's scale if the desired scale is within this ratio. |
| const float kSnapToExistingTilingRatio = 1.2f; |
| |
| // Even for really wide viewports, at some point GPU raster should use |
| // less than 4 tiles to fill the viewport. This is set to 256 as a |
| // sane minimum for now, but we might want to tune this for low-end. |
| const int kMinHeightForGpuRasteredTile = 256; |
| |
| // When making odd-sized tiles, round them up to increase the chances |
| // of using the same tile size. |
| const int kTileRoundUp = 64; |
| |
| // Round GPU default tile sizes to a multiple of 32. This helps prevent |
| // rounding errors during compositing. |
| const int kGpuDefaultTileRoundUp = 32; |
| |
| // For performance reasons and to support compressed tile textures, tile |
| // width and height should be an even multiple of 4 in size. |
| const int kTileMinimalAlignment = 4; |
| |
| // Large contents scale can cause overflow issues. Cap the ideal contents scale |
| // by this constant, since scales larger than this are usually not correct or |
| // their scale doesn't matter as long as it's large. Content scales usually |
| // closely match the default device-scale factor (so it's usually <= 5). See |
| // Renderer4.IdealContentsScale UMA (deprecated) for distribution of content |
| // scales. |
| const float kMaxIdealContentsScale = 10000.f; |
| |
| // Intersect rects which may have right() and bottom() that overflow integer |
| // boundaries. This code is similar to gfx::Rect::Intersect with the exception |
| // that the types are promoted to int64_t when there is a chance of overflow. |
| gfx::Rect SafeIntersectRects(const gfx::Rect& one, const gfx::Rect& two) { |
| if (one.IsEmpty() || two.IsEmpty()) |
| return gfx::Rect(); |
| |
| int rx = std::max(one.x(), two.x()); |
| int ry = std::max(one.y(), two.y()); |
| int64_t rr = std::min(static_cast<int64_t>(one.x()) + one.width(), |
| static_cast<int64_t>(two.x()) + two.width()); |
| int64_t rb = std::min(static_cast<int64_t>(one.y()) + one.height(), |
| static_cast<int64_t>(two.y()) + two.height()); |
| if (rx > rr || ry > rb) |
| return gfx::Rect(); |
| return gfx::Rect(rx, ry, static_cast<int>(rr - rx), |
| static_cast<int>(rb - ry)); |
| } |
| |
| // This function converts the given |device_pixels_size| to the expected size |
| // of content which was generated to fill it at 100%. This takes into account |
| // the ceil operations that occur as device pixels are converted to/from DIPs |
| // (content size must be a whole number of DIPs). |
| gfx::Size ApplyDsfAdjustment(gfx::Size device_pixels_size, float dsf) { |
| gfx::Size content_size_in_dips = |
| gfx::ScaleToCeiledSize(device_pixels_size, 1.0f / dsf); |
| gfx::Size content_size_in_dps = |
| gfx::ScaleToCeiledSize(content_size_in_dips, dsf); |
| return content_size_in_dps; |
| } |
| |
| // For GPU rasterization, we pick an ideal tile size using the viewport so we |
| // don't need any settings. The current approach uses 4 tiles to cover the |
| // viewport vertically. |
| gfx::Size CalculateGpuTileSize(const gfx::Size& base_tile_size, |
| const gfx::Size& content_bounds, |
| const gfx::Size& max_tile_size) { |
| int tile_width = base_tile_size.width(); |
| |
| // Increase the height proportionally as the width decreases, and pad by our |
| // border texels to make the tiles exactly match the viewport. |
| int divisor = 4; |
| if (content_bounds.width() <= base_tile_size.width() / 2) |
| divisor = 2; |
| if (content_bounds.width() <= base_tile_size.width() / 4) |
| divisor = 1; |
| int tile_height = |
| MathUtil::UncheckedRoundUp(base_tile_size.height(), divisor) / divisor; |
| |
| // Grow default sizes to account for overlapping border texels. |
| tile_width += 2 * PictureLayerTiling::kBorderTexels; |
| tile_height += 2 * PictureLayerTiling::kBorderTexels; |
| |
| // Round GPU default tile sizes to a multiple of kGpuDefaultTileAlignment. |
| // This helps prevent rounding errors in our CA path. https://crbug.com/632274 |
| tile_width = MathUtil::UncheckedRoundUp(tile_width, kGpuDefaultTileRoundUp); |
| tile_height = MathUtil::UncheckedRoundUp(tile_height, kGpuDefaultTileRoundUp); |
| |
| tile_height = std::max(tile_height, kMinHeightForGpuRasteredTile); |
| |
| if (!max_tile_size.IsEmpty()) { |
| tile_width = std::min(tile_width, max_tile_size.width()); |
| tile_height = std::min(tile_height, max_tile_size.height()); |
| } |
| |
| return gfx::Size(tile_width, tile_height); |
| } |
| |
| } // namespace |
| |
| PictureLayerImpl::PictureLayerImpl(LayerTreeImpl* tree_impl, |
| int id, |
| Layer::LayerMaskType mask_type) |
| : LayerImpl(tree_impl, id, /*will_always_push_properties=*/true), |
| twin_layer_(nullptr), |
| tilings_(CreatePictureLayerTilingSet()), |
| ideal_page_scale_(0.f), |
| ideal_device_scale_(0.f), |
| ideal_source_scale_(0.f), |
| ideal_contents_scale_(0.f), |
| raster_page_scale_(0.f), |
| raster_device_scale_(0.f), |
| raster_source_scale_(0.f), |
| raster_contents_scale_(0.f), |
| low_res_raster_contents_scale_(0.f), |
| mask_type_(mask_type), |
| was_screen_space_transform_animating_(false), |
| only_used_low_res_last_append_quads_(false), |
| nearest_neighbor_(false), |
| use_transformed_rasterization_(false), |
| is_directly_composited_image_(false), |
| can_use_lcd_text_(true) { |
| layer_tree_impl()->RegisterPictureLayerImpl(this); |
| } |
| |
| PictureLayerImpl::~PictureLayerImpl() { |
| if (twin_layer_) |
| twin_layer_->twin_layer_ = nullptr; |
| layer_tree_impl()->UnregisterPictureLayerImpl(this); |
| |
| // Unregister for all images on the current raster source. |
| UnregisterAnimatedImages(); |
| } |
| |
| void PictureLayerImpl::SetLayerMaskType(Layer::LayerMaskType mask_type) { |
| if (mask_type_ == mask_type) |
| return; |
| // It is expected that a layer can never change from being a mask to not being |
| // one and vice versa. Only changes that make mask layer single <-> multi are |
| // expected. |
| DCHECK(mask_type_ != Layer::LayerMaskType::NOT_MASK && |
| mask_type != Layer::LayerMaskType::NOT_MASK); |
| mask_type_ = mask_type; |
| } |
| |
| const char* PictureLayerImpl::LayerTypeAsString() const { |
| return "cc::PictureLayerImpl"; |
| } |
| |
| std::unique_ptr<LayerImpl> PictureLayerImpl::CreateLayerImpl( |
| LayerTreeImpl* tree_impl) { |
| return PictureLayerImpl::Create(tree_impl, id(), mask_type()); |
| } |
| |
| void PictureLayerImpl::PushPropertiesTo(LayerImpl* base_layer) { |
| PictureLayerImpl* layer_impl = static_cast<PictureLayerImpl*>(base_layer); |
| |
| LayerImpl::PushPropertiesTo(base_layer); |
| |
| layer_impl->SetLayerMaskType(mask_type()); |
| // Twin relationships should never change once established. |
| DCHECK(!twin_layer_ || twin_layer_ == layer_impl); |
| DCHECK(!twin_layer_ || layer_impl->twin_layer_ == this); |
| // The twin relationship does not need to exist before the first |
| // PushPropertiesTo from pending to active layer since before that the active |
| // layer can not have a pile or tilings, it has only been created and inserted |
| // into the tree at that point. |
| twin_layer_ = layer_impl; |
| layer_impl->twin_layer_ = this; |
| |
| layer_impl->SetNearestNeighbor(nearest_neighbor_); |
| layer_impl->SetUseTransformedRasterization(use_transformed_rasterization_); |
| |
| // Solid color layers have no tilings. |
| DCHECK(!raster_source_->IsSolidColor() || tilings_->num_tilings() == 0); |
| // The pending tree should only have a high res (and possibly low res) tiling. |
| DCHECK_LE(tilings_->num_tilings(), |
| layer_tree_impl()->create_low_res_tiling() ? 2u : 1u); |
| |
| layer_impl->set_gpu_raster_max_texture_size(gpu_raster_max_texture_size_); |
| layer_impl->UpdateRasterSource(raster_source_, &invalidation_, |
| tilings_.get()); |
| DCHECK(invalidation_.IsEmpty()); |
| |
| // After syncing a solid color layer, the active layer has no tilings. |
| DCHECK(!raster_source_->IsSolidColor() || |
| layer_impl->tilings_->num_tilings() == 0); |
| |
| layer_impl->raster_page_scale_ = raster_page_scale_; |
| layer_impl->raster_device_scale_ = raster_device_scale_; |
| layer_impl->raster_source_scale_ = raster_source_scale_; |
| layer_impl->raster_contents_scale_ = raster_contents_scale_; |
| layer_impl->low_res_raster_contents_scale_ = low_res_raster_contents_scale_; |
| layer_impl->is_directly_composited_image_ = is_directly_composited_image_; |
| // Simply push the value to the active tree without any extra invalidations, |
| // since the pending tree tiles would have this handled. This is here to |
| // ensure the state is consistent for future raster. |
| layer_impl->can_use_lcd_text_ = can_use_lcd_text_; |
| |
| layer_impl->SanityCheckTilingState(); |
| } |
| |
| void PictureLayerImpl::AppendQuads(viz::RenderPass* render_pass, |
| AppendQuadsData* append_quads_data) { |
| // The bounds and the pile size may differ if the pile wasn't updated (ie. |
| // PictureLayer::Update didn't happen). In that case the pile will be empty. |
| DCHECK(raster_source_->GetSize().IsEmpty() || |
| bounds() == raster_source_->GetSize()) |
| << " bounds " << bounds().ToString() << " pile " |
| << raster_source_->GetSize().ToString(); |
| |
| viz::SharedQuadState* shared_quad_state = |
| render_pass->CreateAndAppendSharedQuadState(); |
| |
| if (mask_type_ != Layer::LayerMaskType::NOT_MASK) { |
| append_quads_data->num_mask_layers++; |
| if (is_rounded_corner_mask()) |
| append_quads_data->num_rounded_corner_mask_layers++; |
| } |
| |
| if (raster_source_->IsSolidColor()) { |
| // TODO(sunxd): Solid color non-mask layers are forced to have contents |
| // scale = 1. This is a workaround to temperarily fix |
| // https://crbug.com/796558. |
| // We need to investigate into the ca layers logic and remove this |
| // workaround after fixing the bug. |
| float max_contents_scale = |
| !(mask_type_ == Layer::LayerMaskType::MULTI_TEXTURE_MASK) |
| ? 1 |
| : CanHaveTilings() ? ideal_contents_scale_ |
| : std::min(kMaxIdealContentsScale, |
| std::max(GetIdealContentsScale(), |
| MinimumContentsScale())); |
| |
| // The downstream CA layers use shared_quad_state to generate resources of |
| // the right size even if it is a solid color picture layer. |
| PopulateScaledSharedQuadState(shared_quad_state, max_contents_scale, |
| max_contents_scale, contents_opaque()); |
| |
| AppendDebugBorderQuad(render_pass, gfx::Rect(bounds()), shared_quad_state, |
| append_quads_data); |
| |
| gfx::Rect scaled_visible_layer_rect = |
| shared_quad_state->visible_quad_layer_rect; |
| Occlusion occlusion; |
| // TODO(sunxd): Compute the correct occlusion for mask layers. |
| if (mask_type_ == Layer::LayerMaskType::NOT_MASK) { |
| occlusion = draw_properties().occlusion_in_content_space; |
| } |
| SolidColorLayerImpl::AppendSolidQuads( |
| render_pass, occlusion, shared_quad_state, scaled_visible_layer_rect, |
| raster_source_->GetSolidColor(), |
| !layer_tree_impl()->settings().enable_edge_anti_aliasing, |
| append_quads_data); |
| return; |
| } |
| |
| float device_scale_factor = layer_tree_impl()->device_scale_factor(); |
| float max_contents_scale = MaximumTilingContentsScale(); |
| PopulateScaledSharedQuadState(shared_quad_state, max_contents_scale, |
| max_contents_scale, contents_opaque()); |
| Occlusion scaled_occlusion; |
| if (mask_type_ == Layer::LayerMaskType::NOT_MASK) { |
| scaled_occlusion = |
| draw_properties() |
| .occlusion_in_content_space.GetOcclusionWithGivenDrawTransform( |
| shared_quad_state->quad_to_target_transform); |
| } |
| |
| if (current_draw_mode_ == DRAW_MODE_RESOURCELESS_SOFTWARE) { |
| DCHECK(shared_quad_state->quad_layer_rect.origin() == gfx::Point(0, 0)); |
| AppendDebugBorderQuad( |
| render_pass, shared_quad_state->quad_layer_rect, shared_quad_state, |
| append_quads_data, DebugColors::DirectPictureBorderColor(), |
| DebugColors::DirectPictureBorderWidth(device_scale_factor)); |
| |
| gfx::Rect geometry_rect = shared_quad_state->visible_quad_layer_rect; |
| gfx::Rect visible_geometry_rect = |
| scaled_occlusion.GetUnoccludedContentRect(geometry_rect); |
| bool needs_blending = !contents_opaque(); |
| |
| // The raster source may not be valid over the entire visible rect, |
| // and rastering outside of that may cause incorrect pixels. |
| gfx::Rect scaled_recorded_viewport = gfx::ScaleToEnclosingRect( |
| raster_source_->RecordedViewport(), max_contents_scale); |
| geometry_rect.Intersect(scaled_recorded_viewport); |
| visible_geometry_rect.Intersect(scaled_recorded_viewport); |
| |
| if (visible_geometry_rect.IsEmpty()) |
| return; |
| |
| DCHECK(raster_source_->HasRecordings()); |
| gfx::Rect quad_content_rect = shared_quad_state->visible_quad_layer_rect; |
| gfx::Size texture_size = quad_content_rect.size(); |
| gfx::RectF texture_rect = gfx::RectF(gfx::SizeF(texture_size)); |
| |
| viz::PictureDrawQuad::ImageAnimationMap image_animation_map; |
| const auto* controller = layer_tree_impl()->image_animation_controller(); |
| WhichTree tree = layer_tree_impl()->IsPendingTree() |
| ? WhichTree::PENDING_TREE |
| : WhichTree::ACTIVE_TREE; |
| for (const auto& image_data : raster_source_->GetDisplayItemList() |
| ->discardable_image_map() |
| .animated_images_metadata()) { |
| image_animation_map[image_data.paint_image_id] = |
| controller->GetFrameIndexForImage(image_data.paint_image_id, tree); |
| } |
| |
| auto* quad = render_pass->CreateAndAppendDrawQuad<viz::PictureDrawQuad>(); |
| quad->SetNew(shared_quad_state, geometry_rect, visible_geometry_rect, |
| needs_blending, texture_rect, texture_size, nearest_neighbor_, |
| viz::RGBA_8888, quad_content_rect, max_contents_scale, |
| std::move(image_animation_map), |
| raster_source_->GetDisplayItemList()); |
| ValidateQuadResources(quad); |
| return; |
| } |
| |
| // If we're doing a regular AppendQuads (ie, not solid color or resourceless |
| // software draw, and if the visible rect is scrolled far enough away, then we |
| // may run into a floating point precision in AA calculations in the renderer. |
| // See crbug.com/765297. In order to avoid this, we shift the quads up from |
| // where they logically reside and adjust the shared_quad_state's transform |
| // instead. We only do this in a scale/translate matrices to ensure the math |
| // is correct. |
| gfx::Vector2d quad_offset; |
| if (shared_quad_state->quad_to_target_transform.IsScaleOrTranslation()) { |
| const auto& visible_rect = shared_quad_state->visible_quad_layer_rect; |
| quad_offset = gfx::Vector2d(-visible_rect.x(), -visible_rect.y()); |
| } |
| |
| gfx::Rect debug_border_rect(shared_quad_state->quad_layer_rect); |
| debug_border_rect.Offset(quad_offset); |
| AppendDebugBorderQuad(render_pass, debug_border_rect, shared_quad_state, |
| append_quads_data); |
| |
| if (ShowDebugBorders(DebugBorderType::LAYER)) { |
| for (PictureLayerTilingSet::CoverageIterator iter( |
| tilings_.get(), max_contents_scale, |
| shared_quad_state->visible_quad_layer_rect, ideal_contents_scale_); |
| iter; ++iter) { |
| SkColor color; |
| float width; |
| if (*iter && iter->draw_info().IsReadyToDraw()) { |
| TileDrawInfo::Mode mode = iter->draw_info().mode(); |
| if (mode == TileDrawInfo::SOLID_COLOR_MODE) { |
| color = DebugColors::SolidColorTileBorderColor(); |
| width = DebugColors::SolidColorTileBorderWidth(device_scale_factor); |
| } else if (mode == TileDrawInfo::OOM_MODE) { |
| color = DebugColors::OOMTileBorderColor(); |
| width = DebugColors::OOMTileBorderWidth(device_scale_factor); |
| } else if (iter.resolution() == HIGH_RESOLUTION) { |
| color = DebugColors::HighResTileBorderColor(); |
| width = DebugColors::HighResTileBorderWidth(device_scale_factor); |
| } else if (iter.resolution() == LOW_RESOLUTION) { |
| color = DebugColors::LowResTileBorderColor(); |
| width = DebugColors::LowResTileBorderWidth(device_scale_factor); |
| } else if (iter->contents_scale_key() > max_contents_scale) { |
| color = DebugColors::ExtraHighResTileBorderColor(); |
| width = DebugColors::ExtraHighResTileBorderWidth(device_scale_factor); |
| } else { |
| color = DebugColors::ExtraLowResTileBorderColor(); |
| width = DebugColors::ExtraLowResTileBorderWidth(device_scale_factor); |
| } |
| } else { |
| color = DebugColors::MissingTileBorderColor(); |
| width = DebugColors::MissingTileBorderWidth(device_scale_factor); |
| } |
| |
| auto* debug_border_quad = |
| render_pass->CreateAndAppendDrawQuad<viz::DebugBorderDrawQuad>(); |
| gfx::Rect geometry_rect = iter.geometry_rect(); |
| geometry_rect.Offset(quad_offset); |
| gfx::Rect visible_geometry_rect = geometry_rect; |
| debug_border_quad->SetNew(shared_quad_state, |
| geometry_rect, |
| visible_geometry_rect, |
| color, |
| width); |
| } |
| } |
| |
| // Keep track of the tilings that were used so that tilings that are |
| // unused can be considered for removal. |
| last_append_quads_tilings_.clear(); |
| |
| // 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 SetExternalTilePriorityConstraints. |
| gfx::Rect scaled_viewport_for_tile_priority = gfx::ScaleToEnclosingRect( |
| viewport_rect_for_tile_priority_in_content_space_, max_contents_scale); |
| |
| size_t missing_tile_count = 0u; |
| size_t on_demand_missing_tile_count = 0u; |
| only_used_low_res_last_append_quads_ = true; |
| gfx::Rect scaled_recorded_viewport = gfx::ScaleToEnclosingRect( |
| raster_source_->RecordedViewport(), max_contents_scale); |
| for (PictureLayerTilingSet::CoverageIterator iter( |
| tilings_.get(), max_contents_scale, |
| shared_quad_state->visible_quad_layer_rect, ideal_contents_scale_); |
| iter; ++iter) { |
| gfx::Rect geometry_rect = iter.geometry_rect(); |
| gfx::Rect visible_geometry_rect = |
| scaled_occlusion.GetUnoccludedContentRect(geometry_rect); |
| |
| gfx::Rect offset_geometry_rect = geometry_rect; |
| offset_geometry_rect.Offset(quad_offset); |
| gfx::Rect offset_visible_geometry_rect = visible_geometry_rect; |
| offset_visible_geometry_rect.Offset(quad_offset); |
| |
| bool needs_blending = !contents_opaque(); |
| if (visible_geometry_rect.IsEmpty()) |
| continue; |
| |
| int64_t visible_geometry_area = |
| static_cast<int64_t>(visible_geometry_rect.width()) * |
| visible_geometry_rect.height(); |
| append_quads_data->visible_layer_area += visible_geometry_area; |
| |
| if (mask_type_ != Layer::LayerMaskType::NOT_MASK) { |
| append_quads_data->visible_mask_layer_area += visible_geometry_area; |
| if (is_rounded_corner_mask()) |
| append_quads_data->visible_rounded_corner_mask_layer_area += |
| visible_geometry_area; |
| } |
| |
| bool has_draw_quad = false; |
| if (*iter && iter->draw_info().IsReadyToDraw()) { |
| const TileDrawInfo& draw_info = iter->draw_info(); |
| |
| switch (draw_info.mode()) { |
| case TileDrawInfo::RESOURCE_MODE: { |
| gfx::RectF texture_rect = iter.texture_rect(); |
| |
| // The raster_contents_scale_ is the best scale that the layer is |
| // trying to produce, even though it may not be ideal. Since that's |
| // the best the layer can promise in the future, consider those as |
| // complete. But if a tile is ideal scale, we don't want to consider |
| // it incomplete and trying to replace it with a tile at a worse |
| // scale. |
| if (iter->contents_scale_key() != raster_contents_scale_ && |
| iter->contents_scale_key() != ideal_contents_scale_ && |
| geometry_rect.Intersects(scaled_viewport_for_tile_priority)) { |
| append_quads_data->num_incomplete_tiles++; |
| } |
| |
| auto* quad = |
| render_pass->CreateAndAppendDrawQuad<viz::TileDrawQuad>(); |
| quad->SetNew( |
| shared_quad_state, offset_geometry_rect, |
| offset_visible_geometry_rect, needs_blending, |
| draw_info.resource_id_for_export(), texture_rect, |
| draw_info.resource_size(), draw_info.contents_swizzled(), |
| draw_info.is_premultiplied(), nearest_neighbor_, |
| !layer_tree_impl()->settings().enable_edge_anti_aliasing); |
| ValidateQuadResources(quad); |
| has_draw_quad = true; |
| break; |
| } |
| case TileDrawInfo::SOLID_COLOR_MODE: { |
| float alpha = |
| (SkColorGetA(draw_info.solid_color()) * (1.0f / 255.0f)) * |
| shared_quad_state->opacity; |
| if (mask_type_ == Layer::LayerMaskType::MULTI_TEXTURE_MASK || |
| alpha >= std::numeric_limits<float>::epsilon()) { |
| auto* quad = |
| render_pass->CreateAndAppendDrawQuad<viz::SolidColorDrawQuad>(); |
| quad->SetNew( |
| shared_quad_state, offset_geometry_rect, |
| offset_visible_geometry_rect, draw_info.solid_color(), |
| !layer_tree_impl()->settings().enable_edge_anti_aliasing); |
| ValidateQuadResources(quad); |
| } |
| has_draw_quad = true; |
| break; |
| } |
| case TileDrawInfo::OOM_MODE: |
| break; // Checkerboard. |
| } |
| } |
| |
| if (!has_draw_quad) { |
| // Checkerboard. |
| SkColor color = SafeOpaqueBackgroundColor(); |
| if (mask_type_ == Layer::LayerMaskType::NOT_MASK && |
| ShowDebugBorders(DebugBorderType::LAYER)) { |
| // Fill the whole tile with the missing tile color. |
| color = DebugColors::OOMTileBorderColor(); |
| } |
| auto* quad = |
| render_pass->CreateAndAppendDrawQuad<viz::SolidColorDrawQuad>(); |
| quad->SetNew(shared_quad_state, offset_geometry_rect, |
| offset_visible_geometry_rect, color, false); |
| ValidateQuadResources(quad); |
| |
| if (geometry_rect.Intersects(scaled_viewport_for_tile_priority)) { |
| append_quads_data->num_missing_tiles++; |
| ++missing_tile_count; |
| } |
| append_quads_data->checkerboarded_visible_content_area += |
| visible_geometry_area; |
| // Intersect checkerboard rect with interest rect to generate rect where |
| // we checkerboarded and has recording. The area where we don't have |
| // recording is not necessarily a Rect, and its area is calculated using |
| // subtraction. |
| gfx::Rect visible_rect_has_recording = visible_geometry_rect; |
| visible_rect_has_recording.Intersect(scaled_recorded_viewport); |
| int64_t checkerboarded_has_recording_area = |
| static_cast<int64_t>(visible_rect_has_recording.width()) * |
| visible_rect_has_recording.height(); |
| append_quads_data->checkerboarded_needs_raster_content_area += |
| checkerboarded_has_recording_area; |
| append_quads_data->checkerboarded_no_recording_content_area += |
| visible_geometry_area - checkerboarded_has_recording_area; |
| continue; |
| } |
| |
| if (iter.resolution() != HIGH_RESOLUTION) { |
| append_quads_data->approximated_visible_content_area += |
| visible_geometry_area; |
| } |
| |
| // If we have a draw quad, but it's not low resolution, then |
| // mark that we've used something other than low res to draw. |
| if (iter.resolution() != LOW_RESOLUTION) |
| only_used_low_res_last_append_quads_ = false; |
| |
| if (last_append_quads_tilings_.empty() || |
| last_append_quads_tilings_.back() != iter.CurrentTiling()) { |
| last_append_quads_tilings_.push_back(iter.CurrentTiling()); |
| } |
| } |
| |
| // Adjust shared_quad_state with the quad_offset, since we've adjusted each |
| // quad we've appended by it. |
| shared_quad_state->quad_to_target_transform.Translate(-quad_offset); |
| shared_quad_state->quad_layer_rect.Offset(quad_offset); |
| shared_quad_state->visible_quad_layer_rect.Offset(quad_offset); |
| |
| if (missing_tile_count) { |
| TRACE_EVENT_INSTANT2("cc", |
| "PictureLayerImpl::AppendQuads checkerboard", |
| TRACE_EVENT_SCOPE_THREAD, |
| "missing_tile_count", |
| missing_tile_count, |
| "on_demand_missing_tile_count", |
| on_demand_missing_tile_count); |
| } |
| |
| // Aggressively remove any tilings that are not seen to save memory. Note |
| // that this is at the expense of doing cause more frequent re-painting. A |
| // better scheme would be to maintain a tighter visible_layer_rect for the |
| // finer tilings. |
| CleanUpTilingsOnActiveLayer(last_append_quads_tilings_); |
| } |
| |
| bool PictureLayerImpl::UpdateTiles() { |
| if (!CanHaveTilings()) { |
| ideal_page_scale_ = 0.f; |
| ideal_device_scale_ = 0.f; |
| ideal_contents_scale_ = 0.f; |
| ideal_source_scale_ = 0.f; |
| SanityCheckTilingState(); |
| return false; |
| } |
| |
| // Remove any non-ideal tilings that were not used last time we generated |
| // quads to save memory and processing time. Note that pending tree should |
| // only have one or two tilings (high and low res), so only clean up the |
| // active layer. This cleans it up here in case AppendQuads didn't run. |
| // If it did run, this would not remove any additional tilings. |
| if (layer_tree_impl()->IsActiveTree()) |
| CleanUpTilingsOnActiveLayer(last_append_quads_tilings_); |
| |
| UpdateIdealScales(); |
| |
| if (!raster_contents_scale_ || ShouldAdjustRasterScale()) { |
| RecalculateRasterScales(); |
| AddTilingsForRasterScale(); |
| } |
| |
| if (layer_tree_impl()->IsActiveTree()) |
| AddLowResolutionTilingIfNeeded(); |
| |
| DCHECK(raster_page_scale_); |
| DCHECK(raster_device_scale_); |
| DCHECK(raster_source_scale_); |
| DCHECK(raster_contents_scale_); |
| DCHECK(low_res_raster_contents_scale_); |
| |
| was_screen_space_transform_animating_ = |
| draw_properties().screen_space_transform_is_animating; |
| |
| double current_frame_time_in_seconds = |
| (layer_tree_impl()->CurrentBeginFrameArgs().frame_time - |
| base::TimeTicks()).InSecondsF(); |
| UpdateViewportRectForTilePriorityInContentSpace(); |
| |
| // The tiling set can require tiles for activation any of the following |
| // conditions are true: |
| // - This layer produced a high-res or non-ideal-res tile last frame. |
| // - We're in requires high res to draw mode. |
| // - We're not in smoothness takes priority mode. |
| // To put different, the tiling set can't require tiles for activation if |
| // we're in smoothness mode and only used low-res or checkerboard to draw last |
| // frame and we don't need high res to draw. |
| // |
| // The reason for this is that we should be able to activate sooner and get a |
| // more up to date recording, so we don't run out of recording on the active |
| // tree. |
| // A layer must be a drawing layer for it to require tiles for activation. |
| bool can_require_tiles_for_activation = false; |
| if (contributes_to_drawn_render_surface()) { |
| can_require_tiles_for_activation = |
| !only_used_low_res_last_append_quads_ || RequiresHighResToDraw() || |
| !layer_tree_impl()->SmoothnessTakesPriority(); |
| } |
| |
| static const base::NoDestructor<Occlusion> kEmptyOcclusion; |
| const Occlusion& occlusion_in_content_space = |
| layer_tree_impl()->settings().use_occlusion_for_tile_prioritization |
| ? draw_properties().occlusion_in_content_space |
| : *kEmptyOcclusion; |
| |
| // Pass |occlusion_in_content_space| for |occlusion_in_layer_space| since |
| // they are the same space in picture layer, as contents scale is always 1. |
| bool updated = tilings_->UpdateTilePriorities( |
| viewport_rect_for_tile_priority_in_content_space_, ideal_contents_scale_, |
| current_frame_time_in_seconds, occlusion_in_content_space, |
| can_require_tiles_for_activation); |
| return updated; |
| } |
| |
| void PictureLayerImpl::UpdateViewportRectForTilePriorityInContentSpace() { |
| // If visible_layer_rect() 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 that. Otherwise just use |
| // visible_layer_rect(). |
| gfx::Rect visible_rect_in_content_space = visible_layer_rect(); |
| gfx::Rect viewport_rect_for_tile_priority = |
| layer_tree_impl()->ViewportRectForTilePriority(); |
| if (visible_rect_in_content_space.IsEmpty() || |
| layer_tree_impl()->GetDeviceViewport() != |
| viewport_rect_for_tile_priority) { |
| gfx::Transform view_to_layer(gfx::Transform::kSkipInitialization); |
| if (ScreenSpaceTransform().GetInverse(&view_to_layer)) { |
| // Transform from view space to content space. |
| visible_rect_in_content_space = MathUtil::ProjectEnclosingClippedRect( |
| view_to_layer, viewport_rect_for_tile_priority); |
| |
| // We have to allow for a viewport that is outside of the layer bounds in |
| // order to compute tile priorities correctly for offscreen content that |
| // is going to make it on screen. However, we also have to limit the |
| // viewport since it can be very large due to screen_space_transforms. As |
| // a heuristic, we clip to bounds padded by skewport_extrapolation_limit * |
| // maximum tiling scale, since this should allow sufficient room for |
| // skewport calculations. |
| gfx::Rect padded_bounds(bounds()); |
| int padding_amount = layer_tree_impl() |
| ->settings() |
| .skewport_extrapolation_limit_in_screen_pixels * |
| MaximumTilingContentsScale(); |
| padded_bounds.Inset(-padding_amount, -padding_amount); |
| visible_rect_in_content_space = |
| SafeIntersectRects(visible_rect_in_content_space, padded_bounds); |
| } |
| } |
| viewport_rect_for_tile_priority_in_content_space_ = |
| visible_rect_in_content_space; |
| |
| float total_controls_height = layer_tree_impl()->top_controls_height() + |
| layer_tree_impl()->bottom_controls_height(); |
| if (total_controls_height) { |
| // If sliding top controls are being used, the pending tree does not |
| // reflect the fact that we may be hiding the top or bottom controls. Thus, |
| // it would believe that the viewport is smaller than it actually is which |
| // can cause activation flickering issues. So, if we're in this situation |
| // adjust the visible rect by the the controls height. |
| if (layer_tree_impl()->IsPendingTree() && |
| layer_tree_impl()->IsActivelyScrolling() && |
| layer_tree_impl()->browser_controls_shrink_blink_size()) { |
| viewport_rect_for_tile_priority_in_content_space_.Inset( |
| 0, // left |
| 0, // top, |
| 0, // right, |
| -total_controls_height); // bottom |
| } |
| } |
| } |
| |
| PictureLayerImpl* PictureLayerImpl::GetPendingOrActiveTwinLayer() const { |
| if (!twin_layer_ || !twin_layer_->IsOnActiveOrPendingTree()) |
| return nullptr; |
| return twin_layer_; |
| } |
| |
| void PictureLayerImpl::UpdateRasterSource( |
| scoped_refptr<RasterSource> raster_source, |
| Region* new_invalidation, |
| const PictureLayerTilingSet* pending_set) { |
| // The bounds and the pile size may differ if the pile wasn't updated (ie. |
| // PictureLayer::Update didn't happen). In that case the pile will be empty. |
| DCHECK(raster_source->GetSize().IsEmpty() || |
| bounds() == raster_source->GetSize()) |
| << " bounds " << bounds().ToString() << " pile " |
| << raster_source->GetSize().ToString(); |
| |
| // We have an updated recording if the DisplayItemList in the new RasterSource |
| // is different. |
| const bool recording_updated = |
| !raster_source_ || raster_source_->GetDisplayItemList() != |
| raster_source->GetDisplayItemList(); |
| |
| // Unregister for all images on the current raster source, if the recording |
| // was updated. |
| if (recording_updated) |
| UnregisterAnimatedImages(); |
| |
| // The |raster_source_| is initially null, so have to check for that for the |
| // first frame. |
| bool could_have_tilings = raster_source_.get() && CanHaveTilings(); |
| raster_source_.swap(raster_source); |
| |
| // Register images from the new raster source, if the recording was updated. |
| // TODO(khushalsagar): UMA the number of animated images in layer? |
| if (recording_updated) |
| RegisterAnimatedImages(); |
| |
| // The |new_invalidation| must be cleared before updating tilings since they |
| // access the invalidation through the PictureLayerTilingClient interface. |
| invalidation_.Clear(); |
| invalidation_.Swap(new_invalidation); |
| |
| bool can_have_tilings = CanHaveTilings(); |
| DCHECK(!pending_set || |
| can_have_tilings == GetPendingOrActiveTwinLayer()->CanHaveTilings()); |
| |
| // Need to call UpdateTiles again if CanHaveTilings changed. |
| if (could_have_tilings != can_have_tilings) |
| layer_tree_impl()->set_needs_update_draw_properties(); |
| |
| if (!can_have_tilings) { |
| RemoveAllTilings(); |
| return; |
| } |
| |
| // We could do this after doing UpdateTiles, which would avoid doing this for |
| // tilings that are going to disappear on the pending tree (if scale changed). |
| // But that would also be more complicated, so we just do it here for now. |
| // |
| // TODO(crbug.com/843787): If the LayerTreeFrameSink is lost, and we activate, |
| // this ends up running with the old LayerTreeFrameSink, or possibly with a |
| // null LayerTreeFrameSink, which can give incorrect results or maybe crash. |
| if (pending_set) { |
| tilings_->UpdateTilingsToCurrentRasterSourceForActivation( |
| raster_source_, pending_set, invalidation_, MinimumContentsScale(), |
| MaximumContentsScale()); |
| } else { |
| tilings_->UpdateTilingsToCurrentRasterSourceForCommit( |
| raster_source_, invalidation_, MinimumContentsScale(), |
| MaximumContentsScale()); |
| // We're in a commit, make sure to update the state of the checker image |
| // tracker with the new async attribute data. |
| layer_tree_impl()->UpdateImageDecodingHints( |
| raster_source_->TakeDecodingModeMap()); |
| } |
| } |
| |
| bool PictureLayerImpl::UpdateCanUseLCDTextAfterCommit() { |
| DCHECK(layer_tree_impl()->IsSyncTree()); |
| |
| // Once we disable lcd text, we don't re-enable it. |
| if (!can_use_lcd_text_) |
| return false; |
| |
| if (can_use_lcd_text_ == CanUseLCDText()) |
| return false; |
| |
| can_use_lcd_text_ = CanUseLCDText(); |
| // Synthetically invalidate everything. |
| gfx::Rect bounds_rect(bounds()); |
| invalidation_ = Region(bounds_rect); |
| tilings_->Invalidate(invalidation_); |
| SetUpdateRect(bounds_rect); |
| return true; |
| } |
| |
| void PictureLayerImpl::NotifyTileStateChanged(const Tile* tile) { |
| if (layer_tree_impl()->IsActiveTree()) |
| AddDamageRect(tile->enclosing_layer_rect()); |
| if (tile->draw_info().NeedsRaster()) { |
| PictureLayerTiling* tiling = |
| tilings_->FindTilingWithScaleKey(tile->contents_scale_key()); |
| if (tiling) |
| tiling->set_all_tiles_done(false); |
| } |
| } |
| |
| void PictureLayerImpl::DidBeginTracing() { |
| raster_source_->DidBeginTracing(); |
| } |
| |
| void PictureLayerImpl::ReleaseResources() { |
| tilings_->ReleaseAllResources(); |
| ResetRasterScale(); |
| } |
| |
| void PictureLayerImpl::ReleaseTileResources() { |
| // All resources are tile resources. |
| ReleaseResources(); |
| } |
| |
| void PictureLayerImpl::RecreateTileResources() { |
| // Recreate tilings with new settings, since some of those might change when |
| // we release resources. |
| tilings_ = CreatePictureLayerTilingSet(); |
| } |
| |
| Region PictureLayerImpl::GetInvalidationRegionForDebugging() { |
| // |invalidation_| gives the invalidation contained in the source frame, but |
| // is not cleared after drawing from the layer. However, update_rect() is |
| // cleared once the invalidation is drawn, which is useful for debugging |
| // visualizations. This method intersects the two to give a more exact |
| // representation of what was invalidated that is cleared after drawing. |
| return IntersectRegions(invalidation_, update_rect()); |
| } |
| |
| std::unique_ptr<Tile> PictureLayerImpl::CreateTile( |
| const Tile::CreateInfo& info) { |
| int flags = 0; |
| |
| // We don't handle solid color masks if mask tiling is disabled, we also don't |
| // handle solid color single texture masks if the flag is enabled, so we |
| // shouldn't bother analyzing those. |
| // Otherwise, always analyze to maximize memory savings. |
| if (mask_type_ != Layer::LayerMaskType::SINGLE_TEXTURE_MASK) |
| flags = Tile::USE_PICTURE_ANALYSIS; |
| |
| if (contents_opaque()) |
| flags |= Tile::IS_OPAQUE; |
| |
| return layer_tree_impl()->tile_manager()->CreateTile( |
| info, id(), layer_tree_impl()->source_frame_number(), flags, |
| can_use_lcd_text_); |
| } |
| |
| const Region* PictureLayerImpl::GetPendingInvalidation() { |
| if (layer_tree_impl()->IsPendingTree()) |
| return &invalidation_; |
| if (layer_tree_impl()->IsRecycleTree()) |
| return nullptr; |
| DCHECK(layer_tree_impl()->IsActiveTree()); |
| if (PictureLayerImpl* twin_layer = GetPendingOrActiveTwinLayer()) |
| return &twin_layer->invalidation_; |
| return nullptr; |
| } |
| |
| const PictureLayerTiling* PictureLayerImpl::GetPendingOrActiveTwinTiling( |
| const PictureLayerTiling* tiling) const { |
| PictureLayerImpl* twin_layer = GetPendingOrActiveTwinLayer(); |
| if (!twin_layer) |
| return nullptr; |
| const PictureLayerTiling* twin_tiling = |
| twin_layer->tilings_->FindTilingWithScaleKey( |
| tiling->contents_scale_key()); |
| if (twin_tiling && |
| twin_tiling->raster_transform() == tiling->raster_transform()) |
| return twin_tiling; |
| return nullptr; |
| } |
| |
| bool PictureLayerImpl::RequiresHighResToDraw() const { |
| return layer_tree_impl()->RequiresHighResToDraw(); |
| } |
| |
| gfx::Rect PictureLayerImpl::GetEnclosingRectInTargetSpace() const { |
| return GetScaledEnclosingRectInTargetSpace(MaximumTilingContentsScale()); |
| } |
| |
| bool PictureLayerImpl::ShouldAnimate(PaintImage::Id paint_image_id) const { |
| // If we are registered with the animation controller, which queries whether |
| // the image should be animated, then we must have recordings with this image. |
| DCHECK(raster_source_); |
| DCHECK(raster_source_->GetDisplayItemList()); |
| DCHECK( |
| !raster_source_->GetDisplayItemList()->discardable_image_map().empty()); |
| |
| // Only animate images for layers which HasValidTilePriorities. This check is |
| // important for 2 reasons: |
| // 1) It avoids doing additional work for layers we don't plan to rasterize |
| // and/or draw. The updated state will be pulled by the animation system |
| // if the draw properties change. |
| // 2) It eliminates considering layers on the recycle tree. Once the pending |
| // tree is activated, the layers on the recycle tree remain registered as |
| // animation drivers, but should not drive animations since they don't have |
| // updated draw properties. |
| // |
| // Additionally only animate images which are on-screen, animations are |
| // paused once they are not visible. |
| if (!HasValidTilePriorities()) |
| return false; |
| |
| const auto& rects = raster_source_->GetDisplayItemList() |
| ->discardable_image_map() |
| .GetRectsForImage(paint_image_id); |
| for (const auto& r : rects.container()) { |
| if (r.Intersects(visible_layer_rect())) |
| return true; |
| } |
| return false; |
| } |
| |
| gfx::Size PictureLayerImpl::CalculateTileSize( |
| const gfx::Size& content_bounds) const { |
| int max_texture_size = layer_tree_impl()->max_texture_size(); |
| |
| if (mask_type_ == Layer::LayerMaskType::SINGLE_TEXTURE_MASK) { |
| // Masks are not tiled, so if we can't cover the whole mask with one tile, |
| // we shouldn't have such a tiling at all. |
| DCHECK_LE(content_bounds.width(), max_texture_size); |
| DCHECK_LE(content_bounds.height(), max_texture_size); |
| return content_bounds; |
| } |
| |
| int default_tile_width = 0; |
| int default_tile_height = 0; |
| if (layer_tree_impl()->use_gpu_rasterization()) { |
| gfx::Size max_tile_size = |
| layer_tree_impl()->settings().max_gpu_raster_tile_size; |
| |
| // Calculate |base_tile_size based| on |gpu_raster_max_texture_size_|, |
| // adjusting for ceil operations that may occur due to DSF. |
| gfx::Size base_tile_size = ApplyDsfAdjustment( |
| gpu_raster_max_texture_size_, layer_tree_impl()->device_scale_factor()); |
| |
| // Set our initial size assuming a |base_tile_size| equal to our |
| // |viewport_size|. |
| gfx::Size default_tile_size = |
| CalculateGpuTileSize(base_tile_size, content_bounds, max_tile_size); |
| |
| // Use half-width GPU tiles when the content_width is greater than our |
| // calculated tile size. |
| if (content_bounds.width() > default_tile_size.width()) { |
| // Divide width by 2 and round up. |
| base_tile_size.set_width((base_tile_size.width() + 1) / 2); |
| default_tile_size = |
| CalculateGpuTileSize(base_tile_size, content_bounds, max_tile_size); |
| } |
| |
| default_tile_width = default_tile_size.width(); |
| default_tile_height = default_tile_size.height(); |
| } else { |
| // For CPU rasterization we use tile-size settings. |
| const LayerTreeSettings& settings = layer_tree_impl()->settings(); |
| int max_untiled_content_width = settings.max_untiled_layer_size.width(); |
| int max_untiled_content_height = settings.max_untiled_layer_size.height(); |
| default_tile_width = settings.default_tile_size.width(); |
| default_tile_height = settings.default_tile_size.height(); |
| |
| // If the content width is small, increase tile size vertically. |
| // If the content height is small, increase tile size horizontally. |
| // If both are less than the untiled-size, use a single tile. |
| if (content_bounds.width() < default_tile_width) |
| default_tile_height = max_untiled_content_height; |
| if (content_bounds.height() < default_tile_height) |
| default_tile_width = max_untiled_content_width; |
| if (content_bounds.width() < max_untiled_content_width && |
| content_bounds.height() < max_untiled_content_height) { |
| default_tile_height = max_untiled_content_height; |
| default_tile_width = max_untiled_content_width; |
| } |
| } |
| |
| int tile_width = default_tile_width; |
| int tile_height = default_tile_height; |
| |
| // Clamp the tile width/height to the content width/height to save space. |
| if (content_bounds.width() < default_tile_width) { |
| tile_width = std::min(tile_width, content_bounds.width()); |
| tile_width = MathUtil::UncheckedRoundUp(tile_width, kTileRoundUp); |
| tile_width = std::min(tile_width, default_tile_width); |
| } |
| if (content_bounds.height() < default_tile_height) { |
| tile_height = std::min(tile_height, content_bounds.height()); |
| tile_height = MathUtil::UncheckedRoundUp(tile_height, kTileRoundUp); |
| tile_height = std::min(tile_height, default_tile_height); |
| } |
| |
| // Ensure that tile width and height are properly aligned. |
| tile_width = MathUtil::UncheckedRoundUp(tile_width, kTileMinimalAlignment); |
| tile_height = MathUtil::UncheckedRoundUp(tile_height, kTileMinimalAlignment); |
| |
| // Under no circumstance should we be larger than the max texture size. |
| tile_width = std::min(tile_width, max_texture_size); |
| tile_height = std::min(tile_height, max_texture_size); |
| return gfx::Size(tile_width, tile_height); |
| } |
| |
| void PictureLayerImpl::GetContentsResourceId( |
| viz::ResourceId* resource_id, |
| gfx::Size* resource_size, |
| gfx::SizeF* resource_uv_size) const { |
| // The bounds and the pile size may differ if the pile wasn't updated (ie. |
| // PictureLayer::Update didn't happen). In that case the pile will be empty. |
| DCHECK(raster_source_->GetSize().IsEmpty() || |
| bounds() == raster_source_->GetSize()) |
| << " bounds " << bounds().ToString() << " pile " |
| << raster_source_->GetSize().ToString(); |
| float dest_scale = MaximumTilingContentsScale(); |
| gfx::Rect content_rect = |
| gfx::ScaleToEnclosingRect(gfx::Rect(bounds()), dest_scale); |
| PictureLayerTilingSet::CoverageIterator iter( |
| tilings_.get(), dest_scale, content_rect, ideal_contents_scale_); |
| |
| // Mask resource not ready yet. |
| if (!iter || !*iter) { |
| *resource_id = 0; |
| return; |
| } |
| |
| // Masks only supported if they fit on exactly one tile. |
| DCHECK(iter.geometry_rect() == content_rect) |
| << "iter rect " << iter.geometry_rect().ToString() << " content rect " |
| << content_rect.ToString(); |
| |
| const TileDrawInfo& draw_info = iter->draw_info(); |
| if (!draw_info.IsReadyToDraw() || |
| draw_info.mode() != TileDrawInfo::RESOURCE_MODE) { |
| *resource_id = 0; |
| return; |
| } |
| |
| *resource_id = draw_info.resource_id_for_export(); |
| *resource_size = draw_info.resource_size(); |
| // |resource_uv_size| represents the range of UV coordinates that map to the |
| // content being drawn. Typically, we draw to the entire texture, so these |
| // coordinates are (1.0f, 1.0f). However, if we are rasterizing to an |
| // over-large texture, this size will be smaller, mapping to the subset of the |
| // texture being used. |
| gfx::SizeF requested_tile_size = |
| gfx::SizeF(iter->tiling()->tiling_data()->tiling_size()); |
| DCHECK_LE(requested_tile_size.width(), draw_info.resource_size().width()); |
| DCHECK_LE(requested_tile_size.height(), draw_info.resource_size().height()); |
| *resource_uv_size = gfx::SizeF( |
| requested_tile_size.width() / draw_info.resource_size().width(), |
| requested_tile_size.height() / draw_info.resource_size().height()); |
| } |
| |
| void PictureLayerImpl::SetNearestNeighbor(bool nearest_neighbor) { |
| if (nearest_neighbor_ == nearest_neighbor) |
| return; |
| |
| nearest_neighbor_ = nearest_neighbor; |
| NoteLayerPropertyChanged(); |
| } |
| |
| void PictureLayerImpl::SetUseTransformedRasterization(bool use) { |
| if (use_transformed_rasterization_ == use) |
| return; |
| |
| use_transformed_rasterization_ = use; |
| NoteLayerPropertyChanged(); |
| } |
| |
| PictureLayerTiling* PictureLayerImpl::AddTiling( |
| const gfx::AxisTransform2d& contents_transform) { |
| DCHECK(CanHaveTilings()); |
| DCHECK_GE(contents_transform.scale(), MinimumContentsScale()); |
| DCHECK_LE(contents_transform.scale(), MaximumContentsScale()); |
| DCHECK(raster_source_->HasRecordings()); |
| return tilings_->AddTiling(contents_transform, raster_source_); |
| } |
| |
| void PictureLayerImpl::RemoveAllTilings() { |
| tilings_->RemoveAllTilings(); |
| // If there are no tilings, then raster scales are no longer meaningful. |
| ResetRasterScale(); |
| } |
| |
| void PictureLayerImpl::AddTilingsForRasterScale() { |
| // Reset all resolution enums on tilings, we'll be setting new values in this |
| // function. |
| tilings_->MarkAllTilingsNonIdeal(); |
| |
| PictureLayerTiling* high_res = |
| tilings_->FindTilingWithScaleKey(raster_contents_scale_); |
| // Note: This function is always invoked when raster scale is recomputed, |
| // but not necessarily changed. This means raster translation update is also |
| // always done when there are significant changes that triggered raster scale |
| // recomputation. |
| gfx::Vector2dF raster_translation = |
| CalculateRasterTranslation(raster_contents_scale_); |
| if (high_res && |
| high_res->raster_transform().translation() != raster_translation) { |
| tilings_->Remove(high_res); |
| high_res = nullptr; |
| } |
| if (!high_res) { |
| // We always need a high res tiling, so create one if it doesn't exist. |
| high_res = AddTiling( |
| gfx::AxisTransform2d(raster_contents_scale_, raster_translation)); |
| } else if (high_res->may_contain_low_resolution_tiles()) { |
| // If the tiling we find here was LOW_RESOLUTION previously, it may not be |
| // fully rastered, so destroy the old tiles. |
| high_res->Reset(); |
| // Reset the flag now that we'll make it high res, it will have fully |
| // rastered content. |
| high_res->reset_may_contain_low_resolution_tiles(); |
| } |
| high_res->set_resolution(HIGH_RESOLUTION); |
| |
| if (layer_tree_impl()->IsPendingTree()) { |
| // On the pending tree, drop any tilings that are non-ideal since we don't |
| // need them to activate anyway. |
| tilings_->RemoveNonIdealTilings(); |
| } |
| |
| SanityCheckTilingState(); |
| } |
| |
| bool PictureLayerImpl::ShouldAdjustRasterScale() const { |
| if (is_directly_composited_image_) { |
| float max_scale = std::max(1.f, MinimumContentsScale()); |
| if (raster_source_scale_ < std::min(ideal_source_scale_, max_scale)) |
| return true; |
| if (raster_source_scale_ > 4 * ideal_source_scale_) |
| return true; |
| return false; |
| } |
| |
| if (was_screen_space_transform_animating_ != |
| draw_properties().screen_space_transform_is_animating) |
| return true; |
| |
| bool is_pinching = layer_tree_impl()->PinchGestureActive(); |
| if (is_pinching && raster_page_scale_) { |
| // We change our raster scale when it is: |
| // - Higher than ideal (need a lower-res tiling available) |
| // - Too far from ideal (need a higher-res tiling available) |
| float ratio = ideal_page_scale_ / raster_page_scale_; |
| if (raster_page_scale_ > ideal_page_scale_ || |
| ratio > kMaxScaleRatioDuringPinch) |
| return true; |
| } |
| |
| if (!is_pinching) { |
| // When not pinching, match the ideal page scale factor. |
| if (raster_page_scale_ != ideal_page_scale_) |
| return true; |
| } |
| |
| // Always match the ideal device scale factor. |
| if (raster_device_scale_ != ideal_device_scale_) |
| return true; |
| |
| if (raster_contents_scale_ > MaximumContentsScale()) |
| return true; |
| if (raster_contents_scale_ < MinimumContentsScale()) |
| return true; |
| |
| // Don't change the raster scale if any of the following are true: |
| // - We have an animating transform. |
| // - The raster scale is already ideal. |
| if (draw_properties().screen_space_transform_is_animating || |
| raster_source_scale_ == ideal_source_scale_) { |
| return false; |
| } |
| |
| // Don't update will-change: transform layers if the raster contents scale is |
| // at least the native scale (otherwise, we'd need to clamp it). |
| if (has_will_change_transform_hint() && |
| raster_contents_scale_ >= raster_page_scale_ * raster_device_scale_) { |
| return false; |
| } |
| |
| // Match the raster scale in all other cases. |
| return true; |
| } |
| |
| void PictureLayerImpl::AddLowResolutionTilingIfNeeded() { |
| DCHECK(layer_tree_impl()->IsActiveTree()); |
| |
| if (!layer_tree_impl()->create_low_res_tiling()) |
| return; |
| |
| // We should have a high resolution tiling at raster_contents_scale, so if the |
| // low res one is the same then we shouldn't try to override this tiling by |
| // marking it as a low res. |
| if (raster_contents_scale_ == low_res_raster_contents_scale_) |
| return; |
| |
| PictureLayerTiling* low_res = |
| tilings_->FindTilingWithScaleKey(low_res_raster_contents_scale_); |
| DCHECK(!low_res || low_res->resolution() != HIGH_RESOLUTION); |
| |
| // Only create new low res tilings when the transform is static. This |
| // prevents wastefully creating a paired low res tiling for every new high |
| // res tiling during a pinch or a CSS animation. |
| bool is_pinching = layer_tree_impl()->PinchGestureActive(); |
| bool is_animating = draw_properties().screen_space_transform_is_animating; |
| if (!is_pinching && !is_animating) { |
| if (!low_res) |
| low_res = AddTiling(gfx::AxisTransform2d(low_res_raster_contents_scale_, |
| gfx::Vector2dF())); |
| low_res->set_resolution(LOW_RESOLUTION); |
| } |
| } |
| |
| void PictureLayerImpl::RecalculateRasterScales() { |
| if (is_directly_composited_image_) { |
| if (!raster_source_scale_) |
| raster_source_scale_ = 1.f; |
| |
| float min_scale = MinimumContentsScale(); |
| float max_scale = std::max(1.f, MinimumContentsScale()); |
| float clamped_ideal_source_scale_ = |
| std::max(min_scale, std::min(ideal_source_scale_, max_scale)); |
| |
| while (raster_source_scale_ < clamped_ideal_source_scale_) |
| raster_source_scale_ *= 2.f; |
| while (raster_source_scale_ > 4 * clamped_ideal_source_scale_) |
| raster_source_scale_ /= 2.f; |
| |
| raster_source_scale_ = |
| std::max(min_scale, std::min(raster_source_scale_, max_scale)); |
| |
| raster_page_scale_ = 1.f; |
| raster_device_scale_ = 1.f; |
| raster_contents_scale_ = raster_source_scale_; |
| low_res_raster_contents_scale_ = raster_contents_scale_; |
| return; |
| } |
| |
| float old_raster_contents_scale = raster_contents_scale_; |
| float old_raster_page_scale = raster_page_scale_; |
| |
| raster_device_scale_ = ideal_device_scale_; |
| raster_page_scale_ = ideal_page_scale_; |
| raster_source_scale_ = ideal_source_scale_; |
| raster_contents_scale_ = ideal_contents_scale_; |
| |
| // During pinch we completely ignore the current ideal scale, and just use |
| // a multiple of the previous scale. |
| bool is_pinching = layer_tree_impl()->PinchGestureActive(); |
| if (is_pinching && old_raster_contents_scale) { |
| // See ShouldAdjustRasterScale: |
| // - When zooming out, preemptively create new tiling at lower resolution. |
| // - When zooming in, approximate ideal using multiple of kMaxScaleRatio. |
| bool zooming_out = old_raster_page_scale > ideal_page_scale_; |
| float desired_contents_scale = old_raster_contents_scale; |
| if (zooming_out) { |
| while (desired_contents_scale > ideal_contents_scale_) |
| desired_contents_scale /= kMaxScaleRatioDuringPinch; |
| } else { |
| while (desired_contents_scale < ideal_contents_scale_) |
| desired_contents_scale *= kMaxScaleRatioDuringPinch; |
| } |
| raster_contents_scale_ = tilings_->GetSnappedContentsScaleKey( |
| desired_contents_scale, kSnapToExistingTilingRatio); |
| raster_page_scale_ = |
| raster_contents_scale_ / raster_device_scale_ / raster_source_scale_; |
| } |
| |
| // We rasterize at the maximum scale that will occur during the animation, if |
| // the maximum scale is known. However we want to avoid excessive memory use. |
| // If the scale is smaller than what we would choose otherwise, then it's |
| // always better off for us memory-wise. But otherwise, we don't choose a |
| // scale at which this layer's rastered content would become larger than the |
| // viewport. |
| if (draw_properties().screen_space_transform_is_animating) { |
| bool can_raster_at_maximum_scale = false; |
| bool should_raster_at_starting_scale = false; |
| CombinedAnimationScale animation_scales = |
| layer_tree_impl()->property_trees()->GetAnimationScales( |
| transform_tree_index(), layer_tree_impl()); |
| float maximum_scale = animation_scales.maximum_animation_scale; |
| float starting_scale = animation_scales.starting_animation_scale; |
| if (maximum_scale) { |
| gfx::Size bounds_at_maximum_scale = |
| gfx::ScaleToCeiledSize(raster_source_->GetSize(), maximum_scale); |
| int64_t maximum_area = |
| static_cast<int64_t>(bounds_at_maximum_scale.width()) * |
| static_cast<int64_t>(bounds_at_maximum_scale.height()); |
| gfx::Size viewport = layer_tree_impl()->GetDeviceViewport().size(); |
| |
| // Use the square of the maximum viewport dimension direction, to |
| // compensate for viewports with different aspect ratios. |
| int64_t max_viewport_dimension = |
| std::max(static_cast<int64_t>(viewport.width()), |
| static_cast<int64_t>(viewport.height())); |
| int64_t squared_viewport_area = |
| max_viewport_dimension * max_viewport_dimension; |
| |
| if (maximum_area <= squared_viewport_area) |
| can_raster_at_maximum_scale = true; |
| } |
| if (starting_scale && starting_scale > maximum_scale) { |
| gfx::Size bounds_at_starting_scale = |
| gfx::ScaleToCeiledSize(raster_source_->GetSize(), starting_scale); |
| int64_t start_area = |
| static_cast<int64_t>(bounds_at_starting_scale.width()) * |
| static_cast<int64_t>(bounds_at_starting_scale.height()); |
| gfx::Size viewport = layer_tree_impl()->GetDeviceViewport().size(); |
| int64_t viewport_area = static_cast<int64_t>(viewport.width()) * |
| static_cast<int64_t>(viewport.height()); |
| if (start_area <= viewport_area) |
| should_raster_at_starting_scale = true; |
| } |
| // Use the computed scales for the raster scale directly, do not try to use |
| // the ideal scale here. The current ideal scale may be way too large in the |
| // case of an animation with scale, and will be constantly changing. |
| if (should_raster_at_starting_scale) |
| raster_contents_scale_ = starting_scale; |
| else if (can_raster_at_maximum_scale) |
| raster_contents_scale_ = maximum_scale; |
| else |
| raster_contents_scale_ = 1.f * ideal_page_scale_ * ideal_device_scale_; |
| } |
| |
| // Clamp will-change: transform layers to be at least the native scale. |
| if (has_will_change_transform_hint()) { |
| float min_desired_scale = raster_device_scale_ * raster_page_scale_; |
| if (raster_contents_scale_ < min_desired_scale) { |
| raster_contents_scale_ = min_desired_scale; |
| raster_page_scale_ = 1.f; |
| } |
| } |
| |
| raster_contents_scale_ = |
| std::max(raster_contents_scale_, MinimumContentsScale()); |
| raster_contents_scale_ = |
| std::min(raster_contents_scale_, MaximumContentsScale()); |
| DCHECK_GE(raster_contents_scale_, MinimumContentsScale()); |
| DCHECK_LE(raster_contents_scale_, MaximumContentsScale()); |
| |
| // If this layer would create zero or one tiles at this content scale, |
| // don't create a low res tiling. |
| gfx::Size raster_bounds = |
| gfx::ScaleToCeiledSize(raster_source_->GetSize(), raster_contents_scale_); |
| gfx::Size tile_size = CalculateTileSize(raster_bounds); |
| bool tile_covers_bounds = tile_size.width() >= raster_bounds.width() && |
| tile_size.height() >= raster_bounds.height(); |
| if (tile_size.IsEmpty() || tile_covers_bounds) { |
| low_res_raster_contents_scale_ = raster_contents_scale_; |
| return; |
| } |
| |
| float low_res_factor = |
| layer_tree_impl()->settings().low_res_contents_scale_factor; |
| low_res_raster_contents_scale_ = |
| std::max(raster_contents_scale_ * low_res_factor, MinimumContentsScale()); |
| DCHECK_LE(low_res_raster_contents_scale_, raster_contents_scale_); |
| DCHECK_GE(low_res_raster_contents_scale_, MinimumContentsScale()); |
| DCHECK_LE(low_res_raster_contents_scale_, MaximumContentsScale()); |
| } |
| |
| void PictureLayerImpl::CleanUpTilingsOnActiveLayer( |
| const std::vector<PictureLayerTiling*>& used_tilings) { |
| DCHECK(layer_tree_impl()->IsActiveTree()); |
| if (tilings_->num_tilings() == 0) |
| return; |
| |
| float min_acceptable_high_res_scale = std::min( |
| raster_contents_scale_, ideal_contents_scale_); |
| float max_acceptable_high_res_scale = std::max( |
| raster_contents_scale_, ideal_contents_scale_); |
| |
| PictureLayerImpl* twin = GetPendingOrActiveTwinLayer(); |
| if (twin && twin->CanHaveTilings()) { |
| min_acceptable_high_res_scale = std::min( |
| min_acceptable_high_res_scale, |
| std::min(twin->raster_contents_scale_, twin->ideal_contents_scale_)); |
| max_acceptable_high_res_scale = std::max( |
| max_acceptable_high_res_scale, |
| std::max(twin->raster_contents_scale_, twin->ideal_contents_scale_)); |
| } |
| |
| PictureLayerTilingSet* twin_set = twin ? twin->tilings_.get() : nullptr; |
| tilings_->CleanUpTilings(min_acceptable_high_res_scale, |
| max_acceptable_high_res_scale, used_tilings, |
| twin_set); |
| DCHECK_GT(tilings_->num_tilings(), 0u); |
| SanityCheckTilingState(); |
| } |
| |
| gfx::Vector2dF PictureLayerImpl::CalculateRasterTranslation( |
| float raster_scale) { |
| if (!use_transformed_rasterization_) |
| return gfx::Vector2dF(); |
| |
| gfx::Transform draw_transform = DrawTransform(); |
| // TODO(enne): for performance reasons, we should only have a raster |
| // translation when the screen space transform is not animating. We try to |
| // avoid this elsewhere but it still happens: http://crbug.com/778440 |
| // TODO(enne): Also, we shouldn't ever get here if the draw transform is not |
| // just a scale + translation, but we do sometimes: http://crbug.com/740113 |
| if (draw_properties().screen_space_transform_is_animating || |
| !draw_transform.IsScaleOrTranslation()) { |
| // For now, while these problems are not well understood, avoid changing |
| // the raster scale in these cases. |
| return gfx::Vector2dF(); |
| } |
| |
| // It is only useful to align the content space to the target space if their |
| // relative pixel ratio is some small rational number. Currently we only |
| // align if the relative pixel ratio is 1:1. |
| // Good match if the maximum alignment error on a layer of size 10000px |
| // does not exceed 0.001px. |
| static constexpr float kErrorThreshold = 0.0000001f; |
| if (std::abs(draw_transform.matrix().getFloat(0, 0) - raster_scale) > |
| kErrorThreshold || |
| std::abs(draw_transform.matrix().getFloat(1, 1) - raster_scale) > |
| kErrorThreshold) |
| return gfx::Vector2dF(); |
| |
| // Extract the fractional part of layer origin in the target space. |
| float origin_x = draw_transform.matrix().getFloat(0, 3); |
| float origin_y = draw_transform.matrix().getFloat(1, 3); |
| return gfx::Vector2dF(origin_x - floorf(origin_x), |
| origin_y - floorf(origin_y)); |
| } |
| |
| float PictureLayerImpl::MinimumContentsScale() const { |
| float setting_min = layer_tree_impl()->settings().minimum_contents_scale; |
| |
| // If the contents scale is less than 1 / width (also for height), |
| // then it will end up having less than one pixel of content in that |
| // dimension. Bump the minimum contents scale up in this case to prevent |
| // this from happening. |
| int min_dimension = std::min(raster_source_->GetSize().width(), |
| raster_source_->GetSize().height()); |
| if (!min_dimension) |
| return setting_min; |
| |
| return std::max(1.f / min_dimension, setting_min); |
| } |
| |
| float PictureLayerImpl::MaximumContentsScale() const { |
| // When mask tiling is disabled or the mask is single textured, masks can not |
| // have tilings that would become larger than the max_texture_size since they |
| // use a single tile for the entire tiling. Other layers can have tilings such |
| // that dimension * scale does not overflow. |
| float max_dimension = |
| static_cast<float>(mask_type_ == Layer::LayerMaskType::SINGLE_TEXTURE_MASK |
| ? layer_tree_impl()->max_texture_size() |
| : std::numeric_limits<int>::max()); |
| float max_scale_width = max_dimension / bounds().width(); |
| float max_scale_height = max_dimension / bounds().height(); |
| float max_scale = std::min(max_scale_width, max_scale_height); |
| |
| // We require that multiplying the layer size by the contents scale and |
| // ceiling produces a value <= |max_dimension|. Because for large layer |
| // sizes floating point ambiguity may crop up, making the result larger or |
| // smaller than expected, we use a slightly smaller floating point value for |
| // the scale, to help ensure that the resulting content bounds will never end |
| // up larger than |max_dimension|. |
| return nextafterf(max_scale, 0.f); |
| } |
| |
| void PictureLayerImpl::ResetRasterScale() { |
| raster_page_scale_ = 0.f; |
| raster_device_scale_ = 0.f; |
| raster_source_scale_ = 0.f; |
| raster_contents_scale_ = 0.f; |
| low_res_raster_contents_scale_ = 0.f; |
| } |
| |
| bool PictureLayerImpl::CanHaveTilings() const { |
| if (raster_source_->IsSolidColor()) |
| return false; |
| if (!DrawsContent()) |
| return false; |
| if (!raster_source_->HasRecordings()) |
| return false; |
| // If the |raster_source_| has a recording it should have non-empty bounds. |
| DCHECK(!raster_source_->GetSize().IsEmpty()); |
| if (MaximumContentsScale() < MinimumContentsScale()) |
| return false; |
| return true; |
| } |
| |
| void PictureLayerImpl::SanityCheckTilingState() const { |
| #if DCHECK_IS_ON() |
| if (!CanHaveTilings()) { |
| DCHECK_EQ(0u, tilings_->num_tilings()); |
| return; |
| } |
| if (tilings_->num_tilings() == 0) |
| return; |
| |
| // We should only have one high res tiling. |
| DCHECK_EQ(1, tilings_->NumHighResTilings()); |
| #endif |
| } |
| |
| float PictureLayerImpl::MaximumTilingContentsScale() const { |
| float max_contents_scale = tilings_->GetMaximumContentsScale(); |
| return std::max(max_contents_scale, MinimumContentsScale()); |
| } |
| |
| std::unique_ptr<PictureLayerTilingSet> |
| PictureLayerImpl::CreatePictureLayerTilingSet() { |
| const LayerTreeSettings& settings = layer_tree_impl()->settings(); |
| return PictureLayerTilingSet::Create( |
| IsActive() ? ACTIVE_TREE : PENDING_TREE, this, |
| settings.tiling_interest_area_padding, |
| layer_tree_impl()->use_gpu_rasterization() |
| ? settings.gpu_rasterization_skewport_target_time_in_seconds |
| : settings.skewport_target_time_in_seconds, |
| settings.skewport_extrapolation_limit_in_screen_pixels, |
| settings.max_preraster_distance_in_screen_pixels); |
| } |
| |
| void PictureLayerImpl::UpdateIdealScales() { |
| DCHECK(CanHaveTilings()); |
| |
| float min_contents_scale = MinimumContentsScale(); |
| DCHECK_GT(min_contents_scale, 0.f); |
| |
| ideal_device_scale_ = layer_tree_impl()->device_scale_factor(); |
| if (layer_tree_impl()->PageScaleLayer()) { |
| ideal_page_scale_ = IsAffectedByPageScale() |
| ? layer_tree_impl()->current_page_scale_factor() |
| : 1.f; |
| ideal_contents_scale_ = GetIdealContentsScale(); |
| } else { |
| // This layer may be in a layer tree embedded in a hierarchy that has its |
| // own page scale factor. We represent that here as |
| // 'external_page_scale_factor', a value that affects raster scale in the |
| // same way that page_scale_factor does, but doesn't affect any geometry |
| // calculations. |
| float external_page_scale_factor = |
| layer_tree_impl() ? layer_tree_impl()->external_page_scale_factor() |
| : 1.f; |
| DCHECK(!layer_tree_impl() || external_page_scale_factor == 1.f || |
| layer_tree_impl()->current_page_scale_factor() == 1.f); |
| ideal_page_scale_ = external_page_scale_factor; |
| ideal_contents_scale_ = |
| GetIdealContentsScale() * external_page_scale_factor; |
| } |
| ideal_contents_scale_ = |
| std::min(kMaxIdealContentsScale, |
| std::max(ideal_contents_scale_, min_contents_scale)); |
| ideal_source_scale_ = |
| ideal_contents_scale_ / ideal_page_scale_ / ideal_device_scale_; |
| } |
| |
| void PictureLayerImpl::GetDebugBorderProperties( |
| SkColor* color, |
| float* width) const { |
| float device_scale_factor = |
| layer_tree_impl() ? layer_tree_impl()->device_scale_factor() : 1; |
| |
| if (is_directly_composited_image_) { |
| *color = DebugColors::ImageLayerBorderColor(); |
| *width = DebugColors::ImageLayerBorderWidth(device_scale_factor); |
| } else { |
| *color = DebugColors::TiledContentLayerBorderColor(); |
| *width = DebugColors::TiledContentLayerBorderWidth(device_scale_factor); |
| } |
| } |
| |
| void PictureLayerImpl::GetAllPrioritizedTilesForTracing( |
| std::vector<PrioritizedTile>* prioritized_tiles) const { |
| if (!tilings_) |
| return; |
| tilings_->GetAllPrioritizedTilesForTracing(prioritized_tiles); |
| } |
| |
| void PictureLayerImpl::AsValueInto( |
| base::trace_event::TracedValue* state) const { |
| LayerImpl::AsValueInto(state); |
| state->SetDouble("ideal_contents_scale", ideal_contents_scale_); |
| state->SetDouble("geometry_contents_scale", MaximumTilingContentsScale()); |
| state->BeginArray("tilings"); |
| tilings_->AsValueInto(state); |
| state->EndArray(); |
| |
| MathUtil::AddToTracedValue("tile_priority_rect", |
| viewport_rect_for_tile_priority_in_content_space_, |
| state); |
| MathUtil::AddToTracedValue("visible_rect", visible_layer_rect(), state); |
| |
| state->BeginArray("pictures"); |
| raster_source_->AsValueInto(state); |
| state->EndArray(); |
| |
| state->BeginArray("invalidation"); |
| invalidation_.AsValueInto(state); |
| state->EndArray(); |
| |
| state->BeginArray("coverage_tiles"); |
| for (PictureLayerTilingSet::CoverageIterator iter( |
| tilings_.get(), MaximumTilingContentsScale(), |
| gfx::Rect(raster_source_->GetSize()), ideal_contents_scale_); |
| iter; ++iter) { |
| state->BeginDictionary(); |
| |
| MathUtil::AddToTracedValue("geometry_rect", iter.geometry_rect(), state); |
| |
| if (*iter) |
| viz::TracedValue::SetIDRef(*iter, state, "tile"); |
| |
| state->EndDictionary(); |
| } |
| state->EndArray(); |
| |
| state->BeginDictionary("can_have_tilings_state"); |
| state->SetBoolean("can_have_tilings", CanHaveTilings()); |
| state->SetBoolean("raster_source_solid_color", |
| raster_source_->IsSolidColor()); |
| state->SetBoolean("draws_content", DrawsContent()); |
| state->SetBoolean("raster_source_has_recordings", |
| raster_source_->HasRecordings()); |
| state->SetDouble("max_contents_scale", MaximumTilingContentsScale()); |
| state->SetDouble("min_contents_scale", MinimumContentsScale()); |
| state->EndDictionary(); |
| |
| state->BeginDictionary("raster_scales"); |
| state->SetDouble("page_scale", raster_page_scale_); |
| state->SetDouble("device_scale", raster_device_scale_); |
| state->SetDouble("source_scale", raster_source_scale_); |
| state->SetDouble("contents_scale", raster_contents_scale_); |
| state->SetDouble("low_res_contents_scale", low_res_raster_contents_scale_); |
| state->EndDictionary(); |
| |
| state->BeginDictionary("ideal_scales"); |
| state->SetDouble("page_scale", ideal_page_scale_); |
| state->SetDouble("device_scale", ideal_device_scale_); |
| state->SetDouble("source_scale", ideal_source_scale_); |
| state->SetDouble("contents_scale", ideal_contents_scale_); |
| state->EndDictionary(); |
| } |
| |
| size_t PictureLayerImpl::GPUMemoryUsageInBytes() const { |
| return tilings_->GPUMemoryUsageInBytes(); |
| } |
| |
| void PictureLayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) { |
| benchmark->RunOnLayer(this); |
| } |
| |
| bool PictureLayerImpl::IsOnActiveOrPendingTree() const { |
| return !layer_tree_impl()->IsRecycleTree(); |
| } |
| |
| bool PictureLayerImpl::HasValidTilePriorities() const { |
| return IsOnActiveOrPendingTree() && |
| (contributes_to_drawn_render_surface() || raster_even_if_not_drawn()); |
| } |
| |
| PictureLayerImpl::ImageInvalidationResult |
| PictureLayerImpl::InvalidateRegionForImages( |
| const PaintImageIdFlatSet& images_to_invalidate) { |
| if (!raster_source_ || !raster_source_->GetDisplayItemList() || |
| raster_source_->GetDisplayItemList()->discardable_image_map().empty()) { |
| return ImageInvalidationResult::kNoImages; |
| } |
| |
| InvalidationRegion image_invalidation; |
| for (auto image_id : images_to_invalidate) { |
| const auto& rects = raster_source_->GetDisplayItemList() |
| ->discardable_image_map() |
| .GetRectsForImage(image_id); |
| for (const auto& r : rects.container()) |
| image_invalidation.Union(r); |
| } |
| Region invalidation; |
| image_invalidation.Swap(&invalidation); |
| |
| if (invalidation.IsEmpty()) |
| return ImageInvalidationResult::kNoInvalidation; |
| |
| // Make sure to union the rect from this invalidation with the update_rect |
| // instead of over-writing it. We don't want to reset the update that came |
| // from the main thread. |
| // Note: We can use a rect here since this is only used to track damage for a |
| // frame and not raster invalidation. |
| gfx::Rect new_update_rect = invalidation.bounds(); |
| new_update_rect.Union(update_rect()); |
| SetUpdateRect(new_update_rect); |
| |
| invalidation_.Union(invalidation); |
| tilings_->Invalidate(invalidation); |
| // TODO(crbug.com/303943): SetNeedsPushProperties() would be needed here if |
| // PictureLayerImpl didn't always push properties every activation. |
| return ImageInvalidationResult::kInvalidated; |
| } |
| |
| void PictureLayerImpl::RegisterAnimatedImages() { |
| if (!raster_source_ || !raster_source_->GetDisplayItemList()) |
| return; |
| |
| auto* controller = layer_tree_impl()->image_animation_controller(); |
| const auto& metadata = raster_source_->GetDisplayItemList() |
| ->discardable_image_map() |
| .animated_images_metadata(); |
| for (const auto& data : metadata) { |
| // Only update the metadata from updated recordings received from a commit. |
| if (layer_tree_impl()->IsSyncTree()) |
| controller->UpdateAnimatedImage(data); |
| controller->RegisterAnimationDriver(data.paint_image_id, this); |
| } |
| } |
| |
| void PictureLayerImpl::UnregisterAnimatedImages() { |
| if (!raster_source_ || !raster_source_->GetDisplayItemList()) |
| return; |
| |
| auto* controller = layer_tree_impl()->image_animation_controller(); |
| const auto& metadata = raster_source_->GetDisplayItemList() |
| ->discardable_image_map() |
| .animated_images_metadata(); |
| for (const auto& data : metadata) |
| controller->UnregisterAnimationDriver(data.paint_image_id, this); |
| } |
| |
| } // namespace cc |