| // 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/debug/trace_event.h" |
| #include "base/message_loop/message_loop.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/resources/texture_mailbox_deleter.h" |
| #include "cc/surfaces/display_client.h" |
| #include "cc/surfaces/surface.h" |
| #include "cc/surfaces/surface_aggregator.h" |
| #include "cc/surfaces/surface_manager.h" |
| #include "cc/trees/blocking_task_runner.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), |
| blocking_main_thread_task_runner_( |
| BlockingTaskRunner::Create(base::MessageLoopProxy::current())), |
| texture_mailbox_deleter_( |
| new TextureMailboxDeleter(base::MessageLoopProxy::current())) { |
| manager_->AddObserver(this); |
| } |
| |
| Display::~Display() { |
| manager_->RemoveObserver(this); |
| } |
| |
| bool Display::Initialize(scoped_ptr<OutputSurface> output_surface) { |
| output_surface_ = output_surface.Pass(); |
| return output_surface_->BindToClient(this); |
| } |
| |
| void Display::SetSurfaceId(SurfaceId id, float device_scale_factor) { |
| current_surface_id_ = id; |
| device_scale_factor_ = device_scale_factor; |
| client_->DisplayDamaged(); |
| } |
| |
| 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 (renderer_ && settings_.finish_rendering_on_resize) |
| renderer_->Finish(); |
| current_surface_size_ = size; |
| client_->DisplayDamaged(); |
| } |
| |
| void Display::InitializeRenderer() { |
| if (resource_provider_) |
| return; |
| |
| scoped_ptr<ResourceProvider> resource_provider = ResourceProvider::Create( |
| output_surface_.get(), bitmap_manager_, gpu_memory_buffer_manager_, |
| blocking_main_thread_task_runner_.get(), settings_.highp_threshold_min, |
| settings_.use_rgba_4444_textures, |
| settings_.texture_id_allocation_chunk_size); |
| 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() { |
| client_->OutputSurfaceLost(); |
| } |
| |
| bool Display::Draw() { |
| if (current_surface_id_.is_null()) |
| return false; |
| |
| InitializeRenderer(); |
| if (!output_surface_) |
| return false; |
| |
| // TODO(skyostil): We should hold a BlockingTaskRunner::CapturePostTasks |
| // while Aggregate is called to immediately run release callbacks afterward. |
| scoped_ptr<CompositorFrame> frame = |
| aggregator_->Aggregate(current_surface_id_); |
| if (!frame) |
| return false; |
| |
| TRACE_EVENT0("cc", "Display::Draw"); |
| benchmark_instrumentation::IssueDisplayRenderingStatsEvent(); |
| |
| // 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(); |
| } |
| DelegatedFrameData* frame_data = frame->delegated_frame_data.get(); |
| |
| gfx::Size surface_size = |
| frame_data->render_pass_list.back()->output_rect.size(); |
| |
| gfx::Rect device_viewport_rect = gfx::Rect(current_surface_size_); |
| gfx::Rect device_clip_rect = device_viewport_rect; |
| 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 (surface_size != current_surface_size_) { |
| DidSwapBuffers(); |
| DidSwapBuffersComplete(); |
| } else { |
| renderer_->SwapBuffers(frame->metadata); |
| } |
| |
| return true; |
| } |
| |
| void Display::DidSwapBuffers() { |
| client_->DidSwapBuffers(); |
| } |
| |
| void Display::DidSwapBuffersComplete() { |
| client_->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::OnSurfaceDamaged(SurfaceId surface) { |
| if (aggregator_ && |
| aggregator_->previous_contained_surfaces().count(surface)) { |
| aggregator_->ReleaseResources(surface); |
| client_->DisplayDamaged(); |
| } |
| } |
| |
| SurfaceId Display::CurrentSurfaceId() { |
| return current_surface_id_; |
| } |
| |
| int Display::GetMaxFramesPending() { |
| if (!output_surface_) |
| return OutputSurface::DEFAULT_MAX_FRAMES_PENDING; |
| return output_surface_->capabilities().max_frames_pending; |
| } |
| |
| } // namespace cc |