| // Copyright 2014 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/surfaces/display.h" |
| |
| #include "base/thread_task_runner_handle.h" |
| #include "base/trace_event/trace_event.h" |
| #include "cc/debug/benchmark_instrumentation.h" |
| #include "cc/output/compositor_frame.h" |
| #include "cc/output/compositor_frame_ack.h" |
| #include "cc/output/direct_renderer.h" |
| #include "cc/output/gl_renderer.h" |
| #include "cc/output/renderer_settings.h" |
| #include "cc/output/software_renderer.h" |
| #include "cc/output/texture_mailbox_deleter.h" |
| #include "cc/surfaces/display_client.h" |
| #include "cc/surfaces/display_scheduler.h" |
| #include "cc/surfaces/surface.h" |
| #include "cc/surfaces/surface_aggregator.h" |
| #include "cc/surfaces/surface_manager.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| |
| namespace cc { |
| |
| Display::Display(DisplayClient* client, |
| SurfaceManager* manager, |
| SharedBitmapManager* bitmap_manager, |
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, |
| const RendererSettings& settings) |
| : client_(client), |
| manager_(manager), |
| bitmap_manager_(bitmap_manager), |
| gpu_memory_buffer_manager_(gpu_memory_buffer_manager), |
| settings_(settings), |
| device_scale_factor_(1.f), |
| swapped_since_resize_(false), |
| scheduler_(nullptr), |
| texture_mailbox_deleter_(new TextureMailboxDeleter(nullptr)) { |
| manager_->AddObserver(this); |
| } |
| |
| Display::~Display() { |
| manager_->RemoveObserver(this); |
| if (aggregator_) { |
| for (const auto& id_entry : aggregator_->previous_contained_surfaces()) { |
| Surface* surface = manager_->GetSurfaceForId(id_entry.first); |
| if (surface) |
| surface->RunDrawCallbacks(SurfaceDrawStatus::DRAW_SKIPPED); |
| } |
| } |
| } |
| |
| bool Display::Initialize(scoped_ptr<OutputSurface> output_surface, |
| DisplayScheduler* scheduler) { |
| output_surface_ = output_surface.Pass(); |
| scheduler_ = scheduler; |
| return output_surface_->BindToClient(this); |
| } |
| |
| void Display::SetSurfaceId(SurfaceId id, float device_scale_factor) { |
| if (current_surface_id_ == id && device_scale_factor_ == device_scale_factor) |
| return; |
| |
| current_surface_id_ = id; |
| device_scale_factor_ = device_scale_factor; |
| |
| UpdateRootSurfaceResourcesLocked(); |
| if (scheduler_) |
| scheduler_->EntireDisplayDamaged(id); |
| } |
| |
| void Display::Resize(const gfx::Size& size) { |
| if (size == current_surface_size_) |
| return; |
| // Need to ensure all pending swaps have executed before the window is |
| // resized, or D3D11 will scale the swap output. |
| if (settings_.finish_rendering_on_resize) { |
| if (!swapped_since_resize_ && scheduler_) |
| scheduler_->ForceImmediateSwapIfPossible(); |
| if (swapped_since_resize_ && output_surface_ && |
| output_surface_->context_provider()) |
| output_surface_->context_provider()->ContextGL()->ShallowFinishCHROMIUM(); |
| } |
| swapped_since_resize_ = false; |
| current_surface_size_ = size; |
| if (scheduler_) |
| scheduler_->EntireDisplayDamaged(current_surface_id_); |
| } |
| |
| void Display::SetExternalClip(const gfx::Rect& clip) { |
| external_clip_ = clip; |
| } |
| |
| void Display::InitializeRenderer() { |
| if (resource_provider_) |
| return; |
| |
| // Display does not use GpuMemoryBuffers, so persistent map is not relevant. |
| bool use_persistent_map_for_gpu_memory_buffers = false; |
| scoped_ptr<ResourceProvider> resource_provider = ResourceProvider::Create( |
| output_surface_.get(), bitmap_manager_, gpu_memory_buffer_manager_, |
| nullptr, settings_.highp_threshold_min, settings_.use_rgba_4444_textures, |
| settings_.texture_id_allocation_chunk_size, |
| use_persistent_map_for_gpu_memory_buffers); |
| if (!resource_provider) |
| return; |
| |
| if (output_surface_->context_provider()) { |
| scoped_ptr<GLRenderer> renderer = GLRenderer::Create( |
| this, &settings_, output_surface_.get(), resource_provider.get(), |
| texture_mailbox_deleter_.get(), settings_.highp_threshold_min); |
| if (!renderer) |
| return; |
| renderer_ = renderer.Pass(); |
| } else { |
| scoped_ptr<SoftwareRenderer> renderer = SoftwareRenderer::Create( |
| this, &settings_, output_surface_.get(), resource_provider.get()); |
| if (!renderer) |
| return; |
| renderer_ = renderer.Pass(); |
| } |
| |
| resource_provider_ = resource_provider.Pass(); |
| aggregator_.reset(new SurfaceAggregator(manager_, resource_provider_.get())); |
| } |
| |
| void Display::DidLoseOutputSurface() { |
| if (scheduler_) |
| scheduler_->OutputSurfaceLost(); |
| // WARNING: The client may delete the Display in this method call. Do not |
| // make any additional references to members after this call. |
| client_->OutputSurfaceLost(); |
| } |
| |
| void Display::UpdateRootSurfaceResourcesLocked() { |
| Surface* surface = manager_->GetSurfaceForId(current_surface_id_); |
| bool root_surface_resources_locked = !surface || !surface->GetEligibleFrame(); |
| if (scheduler_) |
| scheduler_->SetRootSurfaceResourcesLocked(root_surface_resources_locked); |
| } |
| |
| bool Display::DrawAndSwap() { |
| if (current_surface_id_.is_null()) |
| return false; |
| |
| InitializeRenderer(); |
| if (!output_surface_) |
| return false; |
| |
| scoped_ptr<CompositorFrame> frame = |
| aggregator_->Aggregate(current_surface_id_); |
| if (!frame) |
| return false; |
| |
| TRACE_EVENT0("cc", "Display::DrawAndSwap"); |
| |
| // Run callbacks early to allow pipelining. |
| for (const auto& id_entry : aggregator_->previous_contained_surfaces()) { |
| Surface* surface = manager_->GetSurfaceForId(id_entry.first); |
| if (surface) |
| surface->RunDrawCallbacks(SurfaceDrawStatus::DRAWN); |
| } |
| DelegatedFrameData* frame_data = frame->delegated_frame_data.get(); |
| |
| frame->metadata.latency_info.insert(frame->metadata.latency_info.end(), |
| stored_latency_info_.begin(), |
| stored_latency_info_.end()); |
| stored_latency_info_.clear(); |
| bool have_copy_requests = false; |
| for (const auto* pass : frame_data->render_pass_list) { |
| have_copy_requests |= !pass->copy_requests.empty(); |
| } |
| |
| gfx::Size surface_size; |
| bool have_damage = false; |
| if (!frame_data->render_pass_list.empty()) { |
| surface_size = frame_data->render_pass_list.back()->output_rect.size(); |
| have_damage = |
| !frame_data->render_pass_list.back()->damage_rect.size().IsEmpty(); |
| } |
| bool avoid_swap = surface_size != current_surface_size_; |
| bool should_draw = !frame->metadata.latency_info.empty() || |
| have_copy_requests || (have_damage && !avoid_swap); |
| |
| // If the surface is suspended then the resources to be used by the draw are |
| // likely destroyed. |
| if (output_surface_->SurfaceIsSuspendForRecycle()) { |
| TRACE_EVENT_INSTANT0("cc", "Surface is suspended for recycle.", |
| TRACE_EVENT_SCOPE_THREAD); |
| should_draw = false; |
| } |
| |
| if (should_draw) { |
| gfx::Rect device_viewport_rect = gfx::Rect(current_surface_size_); |
| gfx::Rect device_clip_rect = |
| external_clip_.IsEmpty() ? device_viewport_rect : external_clip_; |
| bool disable_picture_quad_image_filtering = false; |
| |
| renderer_->DecideRenderPassAllocationsForFrame( |
| frame_data->render_pass_list); |
| renderer_->DrawFrame(&frame_data->render_pass_list, device_scale_factor_, |
| device_viewport_rect, device_clip_rect, |
| disable_picture_quad_image_filtering); |
| } |
| |
| if (should_draw && !avoid_swap) { |
| swapped_since_resize_ = true; |
| for (auto& latency : frame->metadata.latency_info) { |
| TRACE_EVENT_FLOW_STEP0( |
| "input,benchmark", |
| "LatencyInfo.Flow", |
| TRACE_ID_DONT_MANGLE(latency.trace_id), |
| "Display::DrawAndSwap"); |
| } |
| benchmark_instrumentation::IssueDisplayRenderingStatsEvent(); |
| renderer_->SwapBuffers(frame->metadata); |
| } else { |
| stored_latency_info_.insert(stored_latency_info_.end(), |
| frame->metadata.latency_info.begin(), |
| frame->metadata.latency_info.end()); |
| DidSwapBuffers(); |
| DidSwapBuffersComplete(); |
| } |
| |
| return true; |
| } |
| |
| void Display::DidSwapBuffers() { |
| if (scheduler_) |
| scheduler_->DidSwapBuffers(); |
| } |
| |
| void Display::DidSwapBuffersComplete() { |
| if (scheduler_) |
| scheduler_->DidSwapBuffersComplete(); |
| } |
| |
| void Display::CommitVSyncParameters(base::TimeTicks timebase, |
| base::TimeDelta interval) { |
| client_->CommitVSyncParameters(timebase, interval); |
| } |
| |
| void Display::SetMemoryPolicy(const ManagedMemoryPolicy& policy) { |
| client_->SetMemoryPolicy(policy); |
| } |
| |
| void Display::OnDraw() { |
| NOTREACHED(); |
| } |
| |
| void Display::SetNeedsRedrawRect(const gfx::Rect& damage_rect) { |
| aggregator_->SetFullDamageForSurface(current_surface_id_); |
| if (scheduler_) |
| scheduler_->SurfaceDamaged(current_surface_id_); |
| } |
| |
| void Display::ReclaimResources(const CompositorFrameAck* ack) { |
| NOTREACHED(); |
| } |
| |
| void Display::SetExternalDrawConstraints( |
| const gfx::Transform& transform, |
| const gfx::Rect& viewport, |
| const gfx::Rect& clip, |
| const gfx::Rect& viewport_rect_for_tile_priority, |
| const gfx::Transform& transform_for_tile_priority, |
| bool resourceless_software_draw) { |
| NOTREACHED(); |
| } |
| |
| void Display::SetTreeActivationCallback(const base::Closure& callback) { |
| NOTREACHED(); |
| } |
| |
| void Display::SetFullRootLayerDamage() { |
| if (aggregator_ && !current_surface_id_.is_null()) |
| aggregator_->SetFullDamageForSurface(current_surface_id_); |
| } |
| |
| void Display::OnSurfaceDamaged(SurfaceId surface_id, bool* changed) { |
| if (aggregator_ && |
| aggregator_->previous_contained_surfaces().count(surface_id)) { |
| Surface* surface = manager_->GetSurfaceForId(surface_id); |
| if (surface) { |
| const CompositorFrame* current_frame = surface->GetEligibleFrame(); |
| if (!current_frame || !current_frame->delegated_frame_data || |
| !current_frame->delegated_frame_data->resource_list.size()) { |
| aggregator_->ReleaseResources(surface_id); |
| } |
| } |
| if (scheduler_) |
| scheduler_->SurfaceDamaged(surface_id); |
| *changed = true; |
| } else if (surface_id == current_surface_id_) { |
| if (scheduler_) |
| scheduler_->SurfaceDamaged(surface_id); |
| *changed = true; |
| } |
| |
| if (surface_id == current_surface_id_) |
| UpdateRootSurfaceResourcesLocked(); |
| } |
| |
| SurfaceId Display::CurrentSurfaceId() { |
| return current_surface_id_; |
| } |
| |
| } // namespace cc |